#include <ultra64.h>
#include <stdarg.h>
#include <stdio.h>

#include "debug_utils.h"
#include "draw_objects.h"
#include "dynlist_proc.h"
#include "dynlists/dynlists.h"
#include "gd_macros.h"
#include "gd_main.h"
#include "gd_math.h"
#include "gd_memory.h"
#include "gd_types.h"
#include "macros.h"
#include "objects.h"
#include "renderer.h"
#include "sfx.h"
#include "shape_helper.h"
#include "skin.h"
#include "types.h"

#define MAX_GD_DLS 1000
#define OS_MESG_SI_COMPLETE 0x33333333

#ifndef NO_SEGMENTED_MEMORY
#define GD_VIRTUAL_TO_PHYSICAL(addr) ((uintptr_t)(addr) &0x0FFFFFFF)
#define GD_LOWER_24(addr) ((uintptr_t)(addr) &0x00FFFFFF)
#define GD_LOWER_29(addr) (((uintptr_t)(addr)) & 0x1FFFFFFF)
#else
#define GD_VIRTUAL_TO_PHYSICAL(addr) (addr)
#define GD_LOWER_24(addr) ((uintptr_t)(addr))
#define GD_LOWER_29(addr) (((uintptr_t)(addr)))
#endif

#define MTX_INTPART_PACK(w1, w2) (((w1) &0xFFFF0000) | (((w2) >> 16) & 0xFFFF))
#define MTX_FRACPART_PACK(w1, w2) ((((w1) << 16) & 0xFFFF0000) | ((w2) &0xFFFF))
#define LOOKAT_PACK(c) ((s32) MIN(((c) * (128.0)), 127.0) & 0xff)

// structs
struct GdDisplayList {
    /* Vertices */
    /*0x00*/ s32 curVtxIdx;
    /*0x04*/ s32 totalVtx;
    /*0x08*/ Vtx *vtx;
    /* Matrices */
    /*0x0C*/ s32 curMtxIdx;
    /*0x10*/ s32 totalMtx;
    /*0x14*/ Mtx *mtx;
    /* Lights */
    /*0x18*/ s32 curLightIdx;
    /*0x1C*/ s32 totalLights;
    /*0x20*/ Lights4 *light;
    /* Gfx-es */
    /*0x24*/ s32 curGfxIdx;
    /*0x28*/ s32 totalGfx;
    /*0x2C*/ Gfx *gfx;    // active position in DL
    /*0x30*/ Gfx **dlptr; // pointer to list/array of display lists for each frame?
                          /* Viewports */
    /*0x34*/ s32 curVpIdx;
    /*0x38*/ s32 totalVp;
    /*0x3C*/ Vp *vp;
    /* GD DL Info */
    /*0x40*/ u32 id;     // user specified
    /*0x44*/ u32 number; // count
    /*0x48*/ u8 filler[4];
    /*0x4C*/ struct GdDisplayList *parent; // not quite sure?
};                                         /* sizeof = 0x50 */
// accessor macros for gd dl
#define DL_CURRENT_VTX(dl)   ((dl)->vtx[(dl)->curVtxIdx])
#define DL_CURRENT_MTX(dl)   ((dl)->mtx[(dl)->curMtxIdx])
#define DL_CURRENT_LIGHT(dl) ((dl)->light[(dl)->curLightIdx])
#define DL_CURRENT_GFX(dl)   ((dl)->gfx[(dl)->curGfxIdx])
#define DL_CURRENT_VP(dl)    ((dl)->vp[(dl)->curVpIdx])

struct LightDirVec {
    s32 x, y, z;
};

enum DynListBankFlag { TABLE_END = -1, STD_LIST_BANK = 3 };

struct DynListBankInfo {
    /* 0x00 */ enum DynListBankFlag flag;
    /* 0x04 */ struct DynList *list;
};

// bss
#if defined(VERSION_EU) || defined(VERSION_SH) || defined(VERSION_CN)
static OSMesgQueue D_801BE830; // controller msg queue
static OSMesg D_801BE848[10];
u8 EUpad1[0x40];
static OSMesgQueue D_801BE8B0;
static OSMesgQueue sGdDMAQueue; // @ 801BE8C8
// static u32 unref_801be870[16];
// static u32 unref_801be8e0[25];
// static u32 unref_801be948[13];
u8 EUpad2[0x64];
static OSMesg sGdMesgBuf[1]; // @ 801BE944
u8 EUpad3[0x34];
static OSMesg sGdDMACompleteMsg; // msg buf for D_801BE8B0 queue
static OSIoMesg sGdDMAReqMesg;
static struct ObjView *D_801BE994; // store if View flag 0x40 set

u8 EUpad4[0x88];
#endif
static OSContStatus D_801BAE60[4];
static OSContPad sGdContPads[4];    // @ 801BAE70
static OSContPad sPrevFrameCont[4]; // @ 801BAE88
static u8 D_801BAEA0;
static struct ObjGadget *sTimerGadgets[GD_NUM_TIMERS]; // @ 801BAEA8
static u32 D_801BAF28;                                 // RAM addr offset?
static s16 sTriangleBuf[13][8];                          // [[s16; 8]; 13]? vert indices?
UNUSED static u32 unref_801bb000[3];
static u8 *sMemBlockPoolBase; // @ 801BB00C
static u32 sAllocMemory;      // @ 801BB010; malloc-ed bytes
UNUSED static u32 unref_801bb014;
static s32 D_801BB018;
static s32 D_801BB01C;
static void *sLoadedTextures[0x10];          // texture pointers
static s32 sTextureDisplayLists[0x10];            // gd_dl indices
static s16 sVtxCvrtTCBuf[2];            // @ 801BB0A0
static s32 sCarGdDlNum;                 // @ 801BB0A4
static struct ObjGroup *sYoshiSceneGrp; // @ 801BB0A8
static s32 unusedDl801BB0AC;                  // unused DL number
static struct ObjGroup *sMarioSceneGrp; // @ 801BB0B0
static s32 D_801BB0B4;                  // second offset into sTriangleBuf
static struct ObjGroup *sCarSceneGrp;   // @ 801BB0B8
static s32 sVertexBufCount; // vtx's to load into RPD? Vtx len in GD Dl and in the lower bank (AF30)
static struct ObjView *sYoshiSceneView; // @ 801BB0C0
static s32 sTriangleBufCount;                  // number of triangles in sTriangleBuf
static struct ObjView *sMSceneView;     // @ 801BB0C8; Mario scene view
static s32 sVertexBufStartIndex;                  // Vtx start in GD Dl
static struct ObjView *sCarSceneView;   // @ 801BB0D0
static s32 sUpdateYoshiScene;           // @ 801BB0D4; update dl Vtx from ObjVertex?
static s32 sUpdateMarioScene;           // @ 801BB0D8; update dl Vtx from ObjVertex?
UNUSED static u32 unref_801bb0dc;
static s32 sUpdateCarScene; // @ 801BB0E0; guess, not really used
UNUSED static u32 unref_801bb0e4;
static struct GdVec3f sTextDrawPos;  // position to draw text? only set in one function, never used
UNUSED static u32 unref_801bb0f8[2];
static Mtx sIdnMtx;           // @ 801BB100
static Mat4f sInitIdnMat4;    // @ 801BB140
static s8 sVtxCvrtNormBuf[3]; // @ 801BB180
static s16 sAlpha;
static s32 sNumLights;
static struct GdColour sAmbScaleColour;       // @ 801BB190
static struct GdColour sLightScaleColours[2]; // @ 801BB1A0
static struct LightDirVec sLightDirections[2];
static s32 sLightId;
static Hilite sHilites[600];
static struct GdVec3f D_801BD758;
static struct GdVec3f D_801BD768; // had to migrate earlier
static u32 D_801BD774;
static struct GdObj *sMenuGadgets[9]; // @ 801BD778; d_obj ptr storage? menu?
static struct ObjView *sDebugViews[2];  // Seems to be a list of ObjViews for displaying debug info
static struct GdDisplayList *sStaticDl;     // @ 801BD7A8
static struct GdDisplayList *sDynamicMainDls[2]; // @ 801BD7B0
static struct GdDisplayList *sGdDlStash;    // @ 801BD7B8
static struct GdDisplayList *sMHeadMainDls[2]; // @ 801BD7C0; two DLs, double buffered one per frame - seem to be basic dls that branch to actual lists?
static struct GdDisplayList *sViewDls[3][2];       // I guess? 801BD7C8 -> 801BD7E0?
static struct GdDisplayList *sGdDLArray[MAX_GD_DLS]; // @ 801BD7E0; indexed by dl number (gddl+0x44)
static s32 sPickBufLen;                              // @ 801BE780
static s32 sPickBufPosition;                         // @ 801BE784
static s16 *sPickBuf;                                // @ 801BE788
static LookAt D_801BE790[2];
static LookAt D_801BE7D0[3];
#if defined(VERSION_JP) || defined(VERSION_US)
static OSMesgQueue D_801BE830; // controller msg queue
static OSMesg D_801BE848[10];
UNUSED static u32 unref_801be870[16];
static OSMesgQueue D_801BE8B0;
static OSMesgQueue sGdDMAQueue; // @ 801BE8C8
UNUSED static u32 unref_801be8e0[25];
static OSMesg sGdMesgBuf[1]; // @ 801BE944
UNUSED static u32 unref_801be948[13];
static OSMesg sGdDMACompleteMsg; // msg buf for D_801BE8B0 queue
static OSIoMesg sGdDMAReqMesg;
static struct ObjView *D_801BE994; // store if View flag 0x40 set
#endif

// data
UNUSED static u32 unref_801a8670 = 0;
static s32 D_801A8674 = 0;
UNUSED static u32 unref_801a8678 = 0;
static s32 D_801A867C = 0;
static s32 D_801A8680 = 0;
static f32 sTracked1FrameTime = 0.0f; // @ 801A8684
static f32 sDynamicsTime = 0.0f;      // @ 801A8688
static f32 sDLGenTime = 0.0f;         // @ 801A868C
static f32 sRCPTime = 0.0f;           // @ 801A8690
static f32 sTimeScaleFactor = 1.0f;   // @ D_801A8694
static u32 sMemBlockPoolSize = 1;     // @ 801A8698
static s32 sMemBlockPoolUsed = 0;     // @ 801A869C
static s32 sTextureCount = 0;  // maybe?
static struct GdTimer *D_801A86A4 = NULL; // timer for dlgen, dynamics, or rcp
static struct GdTimer *D_801A86A8 = NULL; // timer for dlgen, dynamics, or rcp
static struct GdTimer *D_801A86AC = NULL; // timer for dlgen, dynamics, or rcp
s32 gGdFrameBufNum = 0;                      // @ 801A86B0
UNUSED static u32 unref_801a86B4 = 0;
static struct ObjShape *sHandShape = NULL; // @ 801A86B8
static s32 D_801A86BC = 1;
static s32 D_801A86C0 = 0; // gd_dl id for something?
UNUSED static u32 unref_801a86C4 = 10;
static s32 sMtxParamType = G_MTX_PROJECTION;
static struct GdVec3f D_801A86CC = { 1.0f, 1.0f, 1.0f };
static struct ObjView *sActiveView = NULL;  // @ 801A86D8 current view? used when drawing dl
static struct ObjView *sScreenView = NULL; // @ 801A86DC
static struct ObjView *D_801A86E0 = NULL;
static struct ObjView *sHandView = NULL; // @ 801A86E4
static struct ObjView *sMenuView = NULL; // @ 801A86E8
static u32 sItemsInMenu = 0;             // @ 801A86EC
static s32 sDebugViewsCount = 0;               // number of elements in the sDebugViews array
static s32 sCurrDebugViewIndex = 0;             // @ 801A86F4; timing activate cool down counter?
UNUSED static u32 unref_801a86F8 = 0;
static struct GdDisplayList *sCurrentGdDl = NULL; // @ 801A86FC
static u32 sGdDlCount = 0;                        // @ 801A8700
static struct DynListBankInfo sDynLists[] = {     // @ 801A8704
    { STD_LIST_BANK, dynlist_test_cube },
    { STD_LIST_BANK, dynlist_spot_shape },
    { STD_LIST_BANK, dynlist_mario_master },
    { TABLE_END, NULL }
};

// textures and display list data
UNUSED static Gfx gd_texture1_dummy_aligner1[] = { // @ 801A8728
    gsSPEndDisplayList(),
};

ALIGNED8 static Texture gd_texture_hand_open[] = {
#include "textures/intro_raw/hand_open.rgba16.inc.c"
};

UNUSED static Gfx gd_texture2_dummy_aligner1[] = {
    gsSPEndDisplayList()
};

ALIGNED8 static Texture gd_texture_hand_closed[] = {
#include "textures/intro_raw/hand_closed.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_0[] = {
#include "textures/intro_raw/red_star_0.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_1[] = {
#include "textures/intro_raw/red_star_1.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_2[] = {
#include "textures/intro_raw/red_star_2.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_3[] = {
#include "textures/intro_raw/red_star_3.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_4[] = {
#include "textures/intro_raw/red_star_4.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_5[] = {
#include "textures/intro_raw/red_star_5.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_6[] = {
#include "textures/intro_raw/red_star_6.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_red_star_7[] = {
#include "textures/intro_raw/red_star_7.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_0[] = {
#include "textures/intro_raw/white_star_0.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_1[] = {
#include "textures/intro_raw/white_star_1.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_2[] = {
#include "textures/intro_raw/white_star_2.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_3[] = {
#include "textures/intro_raw/white_star_3.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_4[] = {
#include "textures/intro_raw/white_star_4.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_5[] = {
#include "textures/intro_raw/white_star_5.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_6[] = {
#include "textures/intro_raw/white_star_6.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_white_star_7[] = {
#include "textures/intro_raw/white_star_7.rgba16.inc.c"
};

static Vtx_t gd_vertex_star[] = {
    {{-64,   0, 0}, 0, {  0, 992}, {0x00, 0x00, 0x7F}},
    {{ 64,   0, 0}, 0, {992, 992}, {0x00, 0x00, 0x7F}},
    {{ 64, 128, 0}, 0, {992,   0}, {0x00, 0x00, 0x7F}},
    {{-64, 128, 0}, 0, {  0,   0}, {0x00, 0x00, 0x7F}},
};

//! no references to these vertices
UNUSED static Vtx_t gd_unused_vertex[] = {
    {{16384, 0,     0}, 0, {0, 16384}, {0x00, 0x00, 0x00}},
    {{    0, 0, 16384}, 0, {0,     0}, {0x00, 0x00, 0x40}},
    {{    0, 0,     0}, 0, {0,     0}, {0x00, 0x00, 0x00}},
    {{    0, 0,     0}, 0, {0,     0}, {0x00, 0x00, 0x00}},
};

static Gfx gd_dl_star_common[] = {
    gsDPSetCombineMode(G_CC_DECALRGBA, G_CC_DECALRGBA),
    gsSPClearGeometryMode(G_TEXTURE_GEN | G_TEXTURE_GEN_LINEAR),
    gsDPSetRenderMode(G_RM_AA_ZB_TEX_EDGE, G_RM_NOOP2),
    gsSPTexture(0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON),
    gsDPSetTile(G_IM_FMT_RGBA, G_IM_SIZ_16b, 0, 0, G_TX_LOADTILE, 0, G_TX_CLAMP, 5, G_TX_NOLOD, G_TX_CLAMP, 5, G_TX_NOLOD),
    gsDPLoadSync(),
    gsDPLoadBlock(G_TX_LOADTILE, 0, 0, 32 * 32 - 1, CALC_DXT(32, G_IM_SIZ_16b_BYTES)),
    gsDPSetTile(G_IM_FMT_RGBA, G_IM_SIZ_16b, 8, 0, G_TX_RENDERTILE, 0, G_TX_CLAMP, 5, G_TX_NOLOD, G_TX_CLAMP, 5, G_TX_NOLOD),
    gsDPSetTileSize(0, 0, 0, (32 - 1) << G_TEXTURE_IMAGE_FRAC, (32 - 1) << G_TEXTURE_IMAGE_FRAC),
    gsSPVertex(gd_vertex_star, 4, 0),
    gsSP2Triangles( 0,  1,  2, 0x0,  0,  2,  3, 0x0),
    gsSPTexture(0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_OFF),
    gsDPSetCombineMode(G_CC_SHADE, G_CC_SHADE),
    gsDPSetRenderMode(G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_red_star_0[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_0),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_1[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_1),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_2[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_2),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_3[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_3),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_4[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_4),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_5[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_5),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_6[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_6),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_red_star_7[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_red_star_7),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_0[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_0),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_1[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_1),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_2[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_2),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_3[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_3),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_4[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_4),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_5[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_5),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_6[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_6),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx gd_dl_silver_star_7[] = {
    gsDPPipeSync(),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_white_star_7),
    gsSPBranchList(gd_dl_star_common),
};

static Gfx *gd_red_star_dl_array[] = {
    gd_dl_red_star_0,
    gd_dl_red_star_0,
    gd_dl_red_star_1,
    gd_dl_red_star_1,
    gd_dl_red_star_2,
    gd_dl_red_star_2,
    gd_dl_red_star_3,
    gd_dl_red_star_3,
    gd_dl_red_star_4,
    gd_dl_red_star_4,
    gd_dl_red_star_5,
    gd_dl_red_star_5,
    gd_dl_red_star_6,
    gd_dl_red_star_6,
    gd_dl_red_star_7,
    gd_dl_red_star_7,
};

static Gfx *gd_silver_star_dl_array[] = {
    gd_dl_silver_star_0,
    gd_dl_silver_star_0,
    gd_dl_silver_star_1,
    gd_dl_silver_star_1,
    gd_dl_silver_star_2,
    gd_dl_silver_star_2,
    gd_dl_silver_star_3,
    gd_dl_silver_star_3,
    gd_dl_silver_star_4,
    gd_dl_silver_star_4,
    gd_dl_silver_star_5,
    gd_dl_silver_star_5,
    gd_dl_silver_star_6,
    gd_dl_silver_star_6,
    gd_dl_silver_star_7,
    gd_dl_silver_star_7,
};

ALIGNED8 static Texture gd_texture_sparkle_0[] = {
#include "textures/intro_raw/sparkle_0.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_sparkle_1[] = {
#include "textures/intro_raw/sparkle_1.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_sparkle_2[] = {
#include "textures/intro_raw/sparkle_2.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_sparkle_3[] = {
#include "textures/intro_raw/sparkle_3.rgba16.inc.c"
};

ALIGNED8 static Texture gd_texture_sparkle_4[] = {
#include "textures/intro_raw/sparkle_4.rgba16.inc.c"
};

//! No reference to this texture. Two DL's uses the same previous texture
//  instead of using this texture.
UNUSED ALIGNED8 static Texture gd_texture_sparkle_5[] = {
#include "textures/intro_raw/sparkle_5.rgba16.inc.c"
};

static Vtx_t gd_vertex_sparkle[] = {
    {{   -32,      0,      0}, 0, {      0,   1984}, {  0x00, 0x00, 0x7F, 0x00}},
    {{    32,      0,      0}, 0, {   1984,   1984}, {  0x00, 0x00, 0x7F, 0x00}},
    {{    32,     64,      0}, 0, {   1984,      0}, {  0x00, 0x00, 0x7F, 0x00}},
    {{   -32,     64,      0}, 0, {      0,      0}, {  0x00, 0x00, 0x7F, 0x00}},
};

static Gfx gd_dl_sparkle[] = {
    gsDPSetCombineMode(G_CC_MODULATERGBA_PRIM, G_CC_MODULATERGBA_PRIM),
    gsSPClearGeometryMode(G_TEXTURE_GEN | G_TEXTURE_GEN_LINEAR),
    gsDPSetRenderMode(G_RM_AA_ZB_TEX_EDGE, G_RM_NOOP2),
    gsSPTexture(0x8000, 0x8000, 0, G_TX_RENDERTILE, G_ON),
    gsDPSetTile(G_IM_FMT_RGBA, G_IM_SIZ_16b, 0, 0, G_TX_LOADTILE, 0, G_TX_WRAP | G_TX_NOMIRROR, G_TX_NOMASK, G_TX_NOLOD,
                G_TX_WRAP | G_TX_NOMIRROR, G_TX_NOMASK, G_TX_NOLOD),
    gsDPLoadSync(),
    gsDPLoadBlock(G_TX_LOADTILE, 0, 0, 32 * 32 - 1, CALC_DXT(32, G_IM_SIZ_16b_BYTES)),
    gsDPSetTile(G_IM_FMT_RGBA, G_IM_SIZ_16b, 8, 0, G_TX_RENDERTILE, 0, G_TX_WRAP | G_TX_NOMIRROR, G_TX_NOMASK, G_TX_NOLOD,
                G_TX_WRAP | G_TX_NOMIRROR, G_TX_NOMASK, G_TX_NOLOD),
    gsDPSetTileSize(0, 0, 0, (32 - 1) << G_TEXTURE_IMAGE_FRAC, (32 - 1) << G_TEXTURE_IMAGE_FRAC),
    gsSPVertex(gd_vertex_sparkle, 4, 0),
    gsSP2Triangles(0,  1,  2, 0x0,  0,  2,  3, 0x0),
    gsSPTexture(0x0001, 0x0001, 0, G_TX_RENDERTILE, G_OFF),
    gsDPSetCombineMode(G_CC_SHADE, G_CC_SHADE),
    gsDPSetRenderMode(G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_sparkle_red_color[] = {
    gsDPSetPrimColor(0, 0, 255, 0, 0, 255),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_sparkle_white_color[] = {
    gsDPSetPrimColor(0, 0, 255, 255, 255, 255),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_red_sparkle_0[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_0),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_red_sparkle_1[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_1),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_red_sparkle_2[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_2),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_red_sparkle_3[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_3),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_red_sparkle_4[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_4),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_red_sparkle_4_dup[] ={
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_red_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_4), // 4 again, correct texture would be 5
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_0[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_0),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_1[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_1),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_2[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_2),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_3[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_3),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_4[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_4),
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx gd_dl_silver_sparkle_4_dup[] = {
    gsDPPipeSync(),
    gsSPDisplayList(gd_dl_sparkle_white_color),
    gsDPSetTextureImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, 1, gd_texture_sparkle_4), // 4 again, correct texture would be 5
    gsSPBranchList(gd_dl_sparkle),
};

static Gfx *gd_red_sparkle_dl_array[] = {
    gd_dl_red_sparkle_4,
    gd_dl_red_sparkle_4,
    gd_dl_red_sparkle_3,
    gd_dl_red_sparkle_3,
    gd_dl_red_sparkle_2,
    gd_dl_red_sparkle_2,
    gd_dl_red_sparkle_1,
    gd_dl_red_sparkle_1,
    gd_dl_red_sparkle_0,
    gd_dl_red_sparkle_0,
    gd_dl_red_sparkle_4_dup,
    gd_dl_red_sparkle_4_dup,
};

static Gfx *gd_silver_sparkle_dl_array[] = {
    gd_dl_silver_sparkle_4,
    gd_dl_silver_sparkle_4,
    gd_dl_silver_sparkle_3,
    gd_dl_silver_sparkle_3,
    gd_dl_silver_sparkle_2,
    gd_dl_silver_sparkle_2,
    gd_dl_silver_sparkle_1,
    gd_dl_silver_sparkle_1,
    gd_dl_silver_sparkle_0,
    gd_dl_silver_sparkle_0,
    gd_dl_silver_sparkle_4_dup,
    gd_dl_silver_sparkle_4_dup,
};

UNUSED static Gfx gd_texture3_dummy_aligner1[] = {
    gsSPEndDisplayList(),
};

ALIGNED8 static Texture gd_texture_mario_face_shine[] = {
#include "textures/intro_raw/mario_face_shine.ia8.inc.c"
};

static Gfx gd_dl_mario_face_shine[] = {
    gsSPSetGeometryMode(G_TEXTURE_GEN),
    gsSPTexture(0x07C0, 0x07C0, 0, G_TX_RENDERTILE, G_ON),
    gsDPSetTexturePersp(G_TP_PERSP),
    gsDPSetTextureFilter(G_TF_BILERP),
    gsDPSetCombineMode(G_CC_HILITERGBA, G_CC_HILITERGBA),
    gsDPLoadTextureBlock(gd_texture_mario_face_shine, G_IM_FMT_IA, G_IM_SIZ_8b, 32, 32, 0,
                        G_TX_WRAP | G_TX_NOMIRROR, G_TX_WRAP | G_TX_NOMIRROR, 5, 5, G_TX_NOLOD, G_TX_NOLOD),
    gsDPPipeSync(),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_rsp_init[] = {
    gsSPClearGeometryMode(0xFFFFFFFF),
    gsSPSetGeometryMode(G_SHADING_SMOOTH | G_SHADE),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_rdp_init[] = {
    gsDPPipeSync(),
    gsDPSetCombineMode(G_CC_SHADE, G_CC_SHADE),
    gsDPSetCycleType(G_CYC_1CYCLE),
    gsDPSetTextureLOD(G_TL_TILE),
    gsDPSetTextureLUT(G_TT_NONE),
    gsDPSetTextureDetail(G_TD_CLAMP),
    gsDPSetTexturePersp(G_TP_PERSP),
    gsDPSetTextureFilter(G_TF_BILERP),
    gsDPSetTextureConvert(G_TC_FILT),
    gsDPSetCombineKey(G_CK_NONE),
    gsDPSetAlphaCompare(G_AC_NONE),
    gsDPSetRenderMode(G_RM_OPA_SURF, G_RM_OPA_SURF2),
    gsDPNoOp(),
    gsDPSetColorDither(G_CD_MAGICSQ),
    gsDPPipeSync(),
    gsSPEndDisplayList(),
};

UNUSED static u32 gd_unused_pad1 = 0;

float sGdPerspTimer = 1.0;

UNUSED static u32 gd_unused_pad2 = 0;

UNUSED static Gfx gd_texture4_dummy_aligner1[] = {
    gsDPPipeSync(),
    gsSPEndDisplayList(),
};

static Vtx_t gd_unused_mesh_vertex_group1[] = {
    {{-8,  8,  0}, 0, {  0,  0}, {  0x00, 0x00, 0x00, 0xFF}},
    {{ 8, -2,  0}, 0, {  0,  0}, {  0x00, 0x00, 0x00, 0xFF}},
    {{ 2, -8,  0}, 0, {  0,  0}, {  0x00, 0x00, 0x00, 0xFF}},
};

static Vtx_t gd_unused_mesh_vertex_group2[] = {
    {{-6,  6,  0}, 0, {  0,  0}, {  0xFF, 0xFF, 0xFF, 0xFF}},
    {{ 7, -3,  0}, 0, {  0,  0}, {  0xFF, 0x00, 0x00, 0xFF}},
    {{ 3, -7,  0}, 0, {  0,  0}, {  0xFF, 0x00, 0x00, 0xFF}},
};

UNUSED static Gfx gd_dl_unused_mesh[] = {
    gsDPPipeSync(),
    gsDPSetRenderMode(G_RM_OPA_SURF, G_RM_OPA_SURF2),
    gsSPClearGeometryMode(0xFFFFFFFF),
    gsSPSetGeometryMode(G_SHADING_SMOOTH | G_SHADE),
    gsDPPipeSync(),
    gsSPVertex(gd_unused_mesh_vertex_group1, 3, 0),
    gsSP1Triangle(0,  1,  2, 0x0),
    gsSPVertex(gd_unused_mesh_vertex_group2, 3, 0),
    gsSP1Triangle(0,  1,  2, 0x0),
    gsSPEndDisplayList(),
};

static Gfx gd_dl_sprite_start_tex_block[] = {
    gsDPPipeSync(),
    gsDPSetCycleType(G_CYC_1CYCLE),
    gsSPTexture(0x8000, 0x8000, 0, G_TX_RENDERTILE, G_ON),
    gsDPSetAlphaCompare(G_AC_THRESHOLD),
    gsDPSetBlendColor(0, 0, 0, 1),
    gsDPSetRenderMode(G_RM_AA_ZB_TEX_EDGE, G_RM_NOOP2),
    gsDPSetCombineMode(G_CC_DECALRGBA, G_CC_DECALRGBA),
    gsDPSetTextureFilter(G_TF_BILERP),
    gsDPSetTexturePersp(G_TP_NONE),
    gsSPEndDisplayList(),
};

// linker (ROM addresses)
extern u8 _gd_dynlistsSegmentRomStart[];
extern u8 _gd_dynlistsSegmentRomEnd[];

// forward declarations
u32 new_gddl_from(Gfx *, s32);
void gd_setup_cursor(struct ObjGroup *);
void parse_p1_controller(void);
void update_cursor(void);
void update_view_and_dl(struct ObjView *);
static void update_render_mode(void);
void gddl_is_loading_shine_dl(s32);
void func_801A3370(f32, f32, f32);
void gd_put_sprite(u16 *, s32, s32, s32, s32);
void reset_cur_dl_indices(void);

// TODO: make a gddl_num_t?

u32 get_alloc_mem_amt(void) {
    return sAllocMemory;
}

/**
 * Returns the current time
 */
s32 gd_get_ostime(void) {
    return osGetTime();
}

f32 get_time_scale(void) {
    return sTimeScaleFactor;
}

void dump_disp_list(void) {
    gd_printf("%d\n", sCurrentGdDl->id);
    gd_printf("Vtx=%d/%d, Mtx=%d/%d, Light=%d/%d, Gfx=%d/%d\n", sCurrentGdDl->curVtxIdx,
              sCurrentGdDl->totalVtx, sCurrentGdDl->curMtxIdx, sCurrentGdDl->totalMtx,
              sCurrentGdDl->curLightIdx, sCurrentGdDl->totalLights, sCurrentGdDl->curGfxIdx,
              sCurrentGdDl->totalGfx);
}

/**
 * Increments the current display list's Gfx index list and returns a pointer to the next Gfx element
 */
static Gfx *next_gfx(void) {
    if (sCurrentGdDl->curGfxIdx >= sCurrentGdDl->totalGfx) {
        dump_disp_list();
        fatal_printf("Gfx list overflow");
    }

    return &sCurrentGdDl->gfx[sCurrentGdDl->curGfxIdx++];
}

/**
 * Increments the current display list's Light index list and returns a pointer to the next Light element
 */
static Lights4 *next_light(void) {
    if (sCurrentGdDl->curLightIdx >= sCurrentGdDl->totalLights) {
        dump_disp_list();
        fatal_printf("Light list overflow");
    }

    return &sCurrentGdDl->light[sCurrentGdDl->curLightIdx++];
}

/**
 * Increments the current display list's matrix index list and returns a pointer to the next matrix element
 */
static Mtx *next_mtx(void) {
    if (sCurrentGdDl->curMtxIdx >= sCurrentGdDl->totalMtx) {
        dump_disp_list();
        fatal_printf("Mtx list overflow");
    }

    return &sCurrentGdDl->mtx[sCurrentGdDl->curMtxIdx++];
}

/**
 * Increments the current display list's vertex index list and returns a pointer to the next vertex element
 */
static Vtx *next_vtx(void) {
    if (sCurrentGdDl->curVtxIdx >= sCurrentGdDl->totalVtx) {
        dump_disp_list();
        fatal_printf("Vtx list overflow");
    }

    return &sCurrentGdDl->vtx[sCurrentGdDl->curVtxIdx++];
}

/**
 * Increments the current display list's viewport list and returns a pointer to the next viewport element
 */
static Vp *next_vp(void) {
    if (sCurrentGdDl->curVpIdx >= sCurrentGdDl->totalVp) {
        dump_disp_list();
        fatal_printf("Vp list overflow");
    }

    return &sCurrentGdDl->vp[sCurrentGdDl->curVpIdx++];
}

/* 249AAC -> 249AEC */
f64 gd_sin_d(f64 x) {
    return sinf(x);
}

/* 249AEC -> 249B2C */
f64 gd_cos_d(f64 x) {
    return cosf(x);
}

/* 249B2C -> 249BA4 */
f64 gd_sqrt_d(f64 x) {
    if (x < 1.0e-7) {
        return 0.0;
    }
    return sqrtf(x);
}

/**
 * Unused
 */
f64 stub_renderer_1(UNUSED f64 x) {
    return 0.0;
}

/* 249BCC -> 24A19C */
void gd_printf(const char *format, ...) {
    s32 i;
    UNUSED u8 filler1[4];
    char c;
    char f;
    UNUSED u8 filler2[4];
    char buf[0x100];
    char *csr = buf;
    char spec[8];    // specifier string
    UNUSED u8 filler3[4];
    union PrintVal val;
    va_list args;

    *csr = '\0';
    va_start(args, format);
    while ((c = *format++)) {
        switch (c) {
            case '%':
                f = *format++;
                i = 0;
                // handle f32 precision formatter (N.Mf)
                if (f >= '0' && f <= '9') {
                    for (i = 0; i < 3; i++) {
                        if ((f >= '0' && f <= '9') || f == '.') {
                            spec[i] = f;
                        } else {
                            break;
                        }

                        f = *format++;
                    }
                }

                spec[i] = f;
                i++;
                spec[i] = '\0';

                switch ((c = spec[0])) {
                    case 'd':
                        val.i = va_arg(args, s32);
                        csr = sprint_val_withspecifiers(csr, val, spec);
                        break;
                    case 'x':
                        val.i = va_arg(args, u32);
                        csr = sprint_val_withspecifiers(csr, val, spec);
                        break;
                    case '%':
                        *csr = '%';
                        csr++;
                        *csr = '\0';
                        break;
                        break; // needed to match
                    case 'f':
                        val.f = (f32) va_arg(args, double);
                        csr = sprint_val_withspecifiers(csr, val, spec);
                        break;
                    case 's':
                        csr = gd_strcat(csr, va_arg(args, char *));
                        break;
                    case 'c':
                        //! @bug formatter 'c' uses `s32` for va_arg instead of `char`
                        *csr = va_arg(args, s32);
                        csr++;
                        *csr = '\0';
                        break;
                    default:
                        if (spec[3] == 'f') {
                            val.f = (f32) va_arg(args, double);
                            csr = sprint_val_withspecifiers(csr, val, spec);
                        }
                        break;
                }
                break;
            case '\\':
                *csr = '\\';
                csr++;
                *csr = '\0';
                break;
            case '\n':
                *csr = '\n';
                csr++;
                *csr = '\0';
                break;
            default:
                *csr = c;
                csr++;
                *csr = '\0';
                break;
        }
    }
    va_end(args);

    *csr = '\0';
    if (csr - buf >= ARRAY_COUNT(buf) - 1) {
        fatal_printf("printf too long");
    }
}

/* 24A19C -> 24A1D4 */
void gd_exit(UNUSED s32 code) {
    gd_printf("exit\n");
    while (TRUE) {
    }
}

/* 24A1D4 -> 24A220; orig name: func_8019BA04 */
void gd_free(void *ptr) {
    sAllocMemory -= gd_free_mem(ptr);
}

/* 24A220 -> 24A318 */
void *gd_allocblock(u32 size) {
    void *block; // 1c

    size = ALIGN(size, 8);
    if ((sMemBlockPoolUsed + size) > sMemBlockPoolSize) {
        gd_printf("gd_allocblock(): Failed request: %dk (%d bytes)\n", size / 1024, size);
        gd_printf("gd_allocblock(): Heap usage: %dk (%d bytes) \n", sMemBlockPoolUsed / 1024,
                  sMemBlockPoolUsed);
        print_all_memtrackers();
        mem_stats();
        fatal_printf("exit");
    }

    block = sMemBlockPoolBase + sMemBlockPoolUsed;
    sMemBlockPoolUsed += size;
    return block;
}

/* 24A318 -> 24A3E8 */
void *gd_malloc(u32 size, u8 perm) {
    void *ptr; // 1c
    size = ALIGN(size, 8);
    ptr = gd_request_mem(size, perm);

    if (ptr == NULL) {
        gd_printf("gd_malloc(): Failed request: %dk (%d bytes)\n", size / 1024, size);
        gd_printf("gd_malloc(): Heap usage: %dk (%d bytes) \n", sAllocMemory / 1024, sAllocMemory);
        print_all_memtrackers();
        mem_stats();
        return NULL;
    }

    sAllocMemory += size;

    return ptr;
}

/* 24A3E8 -> 24A420; orig name: func_8019BC18 */
void *gd_malloc_perm(u32 size) {
    return gd_malloc(size, PERM_G_MEM_BLOCK);
}

/* 24A420 -> 24A458; orig name: func_8019BC50 */
void *gd_malloc_temp(u32 size) {
    return gd_malloc(size, TEMP_G_MEM_BLOCK);
}

/* 24A458 -> 24A4A4 */
void *Unknown8019BC88(u32 size, u32 count) {
    return gd_malloc_perm(size * count);
}

/* 24A4A4 -> 24A4DC */
void *Unknown8019BCD4(u32 size) {
    return gd_malloc_perm(size);
}

/* 24A4DC -> 24A598 */
void draw_indexed_dl(s32 dlNum, s32 gfxIdx) {
    Gfx *dl;

    if (gfxIdx != 0) {
        dl = sGdDLArray[dlNum]->dlptr[gfxIdx - 1];  // multiple display lists (determined by frame)
    } else {
        dl = sGdDLArray[dlNum]->gfx;  // only one display list
    }
    gSPDisplayList(next_gfx(), GD_VIRTUAL_TO_PHYSICAL(dl));
}

/* 24A598 -> 24A610; orig name: func_8019BDC8 */
void branch_cur_dl_to_num(s32 dlNum) {
    Gfx *dl;
    UNUSED u8 filler[8];

    dl = sGdDLArray[dlNum]->gfx;
    gSPDisplayList(next_gfx(), GD_VIRTUAL_TO_PHYSICAL(dl));
}

/**
 * Unused (not called)
 */
Gfx *get_dl_gfx(s32 num) {
    return sGdDLArray[num]->gfx;
}

/**
 * Creates `ObjShape`s for the stars and sparkles
 */
void setup_stars(void) {
    gShapeRedStar = make_shape(0, "redstar");
    gShapeRedStar->dlNums[0] = new_gddl_from(NULL, 0);
    gShapeRedStar->dlNums[1] = gShapeRedStar->dlNums[0];
    sGdDLArray[gShapeRedStar->dlNums[0]]->dlptr = gd_red_star_dl_array;
    sGdDLArray[gShapeRedStar->dlNums[1]]->dlptr = gd_red_star_dl_array;

    gShapeSilverStar = make_shape(0, "silverstar");
    gShapeSilverStar->dlNums[0] = new_gddl_from(NULL, 0);
    gShapeSilverStar->dlNums[1] = gShapeSilverStar->dlNums[0];
    sGdDLArray[gShapeSilverStar->dlNums[0]]->dlptr = gd_silver_star_dl_array;
    sGdDLArray[gShapeSilverStar->dlNums[1]]->dlptr = gd_silver_star_dl_array;

    // make_shape names of the dl array they call are misnamed (swapped)
    // "sspark" calls red sparkles and "rspark" calls silver sparkles
    gShapeRedSpark = make_shape(0, "sspark");
    gShapeRedSpark->dlNums[0] = new_gddl_from(NULL, 0);
    gShapeRedSpark->dlNums[1] = gShapeRedSpark->dlNums[0];
    sGdDLArray[gShapeRedSpark->dlNums[0]]->dlptr = gd_red_sparkle_dl_array;
    sGdDLArray[gShapeRedSpark->dlNums[1]]->dlptr = gd_red_sparkle_dl_array;

    gShapeSilverSpark = make_shape(0, "rspark");
    gShapeSilverSpark->dlNums[0] = new_gddl_from(NULL, 0);
    gShapeSilverSpark->dlNums[1] = gShapeSilverSpark->dlNums[0];
    sGdDLArray[gShapeSilverSpark->dlNums[0]]->dlptr = gd_silver_sparkle_dl_array;
    sGdDLArray[gShapeSilverSpark->dlNums[1]]->dlptr = gd_silver_sparkle_dl_array;
}

/* 24A8D0 -> 24AA40 */
void setup_timers(void) {
    start_timer("updateshaders");
    stop_timer("updateshaders");
    start_timer("childpos");
    stop_timer("childpos");
    start_timer("netupd");
    stop_timer("netupd");
    start_timer("drawshape2d");
    stop_timer("drawshape2d");

    start_timer("drawshape");
    start_timer("drawobj");
    start_timer("drawscene");
    start_timer("camsearch");
    start_timer("move_animators");
    start_timer("move_nets");
    stop_timer("move_animators");
    stop_timer("move_nets");
    stop_timer("drawshape");
    stop_timer("drawobj");
    stop_timer("drawscene");
    stop_timer("camsearch");

    start_timer("move_bones");
    stop_timer("move_bones");
    start_timer("move_skin");
    stop_timer("move_skin");
    start_timer("draw1");
    stop_timer("draw1");
    start_timer("dynamics");
    stop_timer("dynamics");
}

/* 24AA40 -> 24AA58 */
void Unknown8019C270(u8 *buf) {
    gGdStreamBuffer = buf;
}

/* 24AA58 -> 24AAA8 */
void Unknown8019C288(s32 stickX, s32 stickY) {
    struct GdControl *ctrl = &gGdCtrl; // 4

    ctrl->stickXf = (f32) stickX;
    ctrl->stickYf = (f32)(stickY / 2);
}

/* 24AAA8 -> 24AAE0; orig name: func_8019C2D8 */
void gd_add_to_heap(void *addr, u32 size) {
    // TODO: is this `1` for permanence special?
    gd_add_mem_to_heap(size, addr, 1);
}

/* 24AAE0 -> 24AB7C */
void gdm_init(void *blockpool, u32 size) {
    UNUSED u8 filler[4];

    imin("gdm_init");
    // Align downwards?
    size = (size - 8) & ~7;
    // Align to next double word boundry?
    blockpool = (void *) (((uintptr_t) blockpool + 8) & ~7);
    sMemBlockPoolBase = blockpool;
    sMemBlockPoolSize = size;
    sMemBlockPoolUsed = 0;
    sAllocMemory = 0;
    init_mem_block_lists();
    gd_reset_sfx();
    imout();
}

/**
 * Initializes the Mario head demo
 */
void gdm_setup(void) {
    UNUSED u8 filler[4];

    imin("gdm_setup");
    sYoshiSceneGrp = NULL;
    sMarioSceneGrp = NULL;
    sUpdateYoshiScene = FALSE;
    sUpdateMarioScene = FALSE;
    sCarGdDlNum = 0;
    osViSetSpecialFeatures(OS_VI_GAMMA_OFF);
    osCreateMesgQueue(&sGdDMAQueue, sGdMesgBuf, ARRAY_COUNT(sGdMesgBuf));
    gd_init();
    load_shapes2();
    reset_cur_dl_indices();
    setup_stars();
    imout();
}

/* 24AC18 -> 24AC2C */
void stub_renderer_2(UNUSED u32 a0) {
}

/* 24AC2C -> 24AC80; not called; orig name: Unknown8019C45C */
void print_gdm_stats(void) {
    stop_memtracker("total");
    gd_printf("\ngdm stats:\n");
    print_all_memtrackers();
    mem_stats();
    start_memtracker("total");
}

/* 24AC80 -> 24AD14; orig name: func_8019C4B0 */
struct ObjView *make_view_withgrp(char *name, struct ObjGroup *grp) {
    struct ObjView *view = make_view(name, (VIEW_DRAW | VIEW_ALLOC_ZBUF | VIEW_MOVEMENT), 1, 0, 0, 320, 240, grp);
    UNUSED struct ObjGroup *viewgrp = make_group(2, grp, view);

    view->lights = gGdLightGroup;
    return view;
}

/* 24AD14 -> 24AEB8 */
void gdm_maketestdl(s32 id) {
    UNUSED u8 filler[12];

    imin("gdm_maketestdl");
    switch (id) {
        case 0:
            sYoshiSceneView = make_view_withgrp("yoshi_scene", sYoshiSceneGrp);
            break;
        case 1:
            reset_nets_and_gadgets(sYoshiSceneGrp);
            break;
        case 2: // normal Mario head
            if (sMarioSceneGrp == NULL) {
                load_mario_head(animate_mario_head_normal);
                sMarioSceneGrp = gMarioFaceGrp; // gMarioFaceGrp set by load_mario_head
                gd_setup_cursor(NULL);
            }
            sMSceneView = make_view_withgrp("mscene", sMarioSceneGrp);
            break;
        case 3: // game over Mario head
            if (sMarioSceneGrp == NULL) {
                load_mario_head(animate_mario_head_gameover);
                sMarioSceneGrp = gMarioFaceGrp;
                gd_setup_cursor(NULL);
            }
            sMSceneView = make_view_withgrp("mscene", sMarioSceneGrp);
            break;
        case 4:
            sCarSceneView = make_view_withgrp("car_scene", sCarSceneGrp);
            break;
        case 5:
            reset_nets_and_gadgets(sCarSceneGrp);
            break;
        default:
            fatal_printf("gdm_maketestdl(): unknown dl");
    }
    imout();
}

/* 24AEB8 -> 24AED0 */
void set_time_scale(f32 factor) {
    sTimeScaleFactor = factor;
}

/* 24AED0 -> 24AF04 */
void Unknown8019C840(void) {
    gd_printf("\n");
    print_all_timers();
}

/**
 * Runs every frame at V-blank. Handles input and updates state.
 */
void gd_vblank(void) {
    gd_sfx_update();
    if (sUpdateYoshiScene) {
        apply_to_obj_types_in_group(OBJ_TYPE_NETS, (applyproc_t) convert_net_verts, sYoshiSceneGrp);
    }
    if (sUpdateMarioScene) {
        apply_to_obj_types_in_group(OBJ_TYPE_NETS, (applyproc_t) convert_net_verts, sMarioSceneGrp);
    }
    sUpdateYoshiScene = FALSE;
    sUpdateMarioScene = FALSE;
    gGdFrameBufNum ^= 1;
    reset_cur_dl_indices();
    parse_p1_controller();
    update_cursor();
}

/**
 * Copies the player1 controller data from p1cont to sGdContPads[0].
 */
void gd_copy_p1_contpad(OSContPad *p1cont) {
    u32 i;                                    // 24
    u8 *src = (u8 *) p1cont;             // 20
    u8 *dest = (u8 *) &sGdContPads[0]; // 1c

    for (i = 0; i < sizeof(OSContPad); i++) {
        dest[i] = src[i];
    }

    if (p1cont->button & Z_TRIG) {
        print_all_timers();
    }
}

/* 24B058 -> 24B088; orig name: gd_sfx_to_play */
s32 gd_sfx_to_play(void) {
    return gd_new_sfx_to_play();
}

/* 24B088 -> 24B418 */
Gfx *gdm_gettestdl(s32 id) {
    struct GdObj *dobj;
    struct GdDisplayList *gddl;
    UNUSED u8 filler[8];
    struct GdVec3f vec;

    start_timer("dlgen");
    vec.x = vec.y = vec.z = 0.0f;
    gddl = NULL;

    switch (id) {
        case 0:
            if (sYoshiSceneView == NULL) {
                fatal_printf("gdm_gettestdl(): DL number %d undefined", id);
            }
            //! @bug Code treats `sYoshiSceneView` as group; not called in game though
            apply_to_obj_types_in_group(OBJ_TYPE_VIEWS, (applyproc_t) update_view,
                                        (struct ObjGroup *) sYoshiSceneView);
            dobj = d_use_obj("yoshi_scene");
            gddl = sGdDLArray[((struct ObjView *) dobj)->gdDlNum];
            sUpdateYoshiScene = TRUE;
            break;
        case 1:
            if (sYoshiSceneGrp == NULL) {
                fatal_printf("gdm_gettestdl(): DL number %d undefined", id);
            }
            dobj = d_use_obj("yoshi_sh_l1");
            gddl = sGdDLArray[((struct ObjShape *) dobj)->dlNums[gGdFrameBufNum]];
            sUpdateYoshiScene = TRUE;
            break;
        case GD_SCENE_REGULAR_MARIO:
        case GD_SCENE_DIZZY_MARIO:
            setup_timers();
            update_view_and_dl(sMSceneView);
            if (sHandView != NULL) {
                update_view_and_dl(sHandView);
            }
            sCurrentGdDl = sMHeadMainDls[gGdFrameBufNum];
            gSPEndDisplayList(next_gfx());
            gddl = sCurrentGdDl;
            sUpdateMarioScene = TRUE;
            break;
        case 4:
            if (sCarSceneView == NULL) {
                fatal_printf("gdm_gettestdl(): DL number %d undefined", id);
            }
            //! @bug Code treats `sCarSceneView` as group; not called in game though
            apply_to_obj_types_in_group(OBJ_TYPE_VIEWS, (applyproc_t) update_view,
                                        (struct ObjGroup *) sCarSceneView);
            dobj = d_use_obj("car_scene");
            gddl = sGdDLArray[((struct ObjView *) dobj)->gdDlNum];
            sUpdateCarScene = TRUE;
            break;
        case 5:
            sActiveView = sScreenView;
            set_gd_mtx_parameters(G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_PUSH);
            dobj = d_use_obj("testnet2");
            sCarGdDlNum = gd_startdisplist(8);

            if (sCarGdDlNum == 0) {
                fatal_printf("no memory for car DL\n");
            }
            apply_obj_draw_fn(dobj);
            gd_enddlsplist_parent();
            gddl = sGdDLArray[sCarGdDlNum];
            sUpdateCarScene = TRUE;
            break;
        default:
            fatal_printf("gdm_gettestdl(): %d out of range", id);
    }

    if (gddl == NULL) {
        fatal_printf("no display list");
    }
    stop_timer("dlgen");
    return (void *) osVirtualToPhysical(gddl->gfx);
}

/* 24B418 -> 24B4CC; not called */
void gdm_getpos(s32 id, struct GdVec3f *dst) {
    struct GdObj *dobj; // 1c
    switch (id) {
        case 5:
            set_gd_mtx_parameters(G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_PUSH);
            dobj = d_use_obj("testnet2");
            dst->x = ((struct ObjNet *) dobj)->worldPos.x;
            dst->y = ((struct ObjNet *) dobj)->worldPos.y;
            dst->z = ((struct ObjNet *) dobj)->worldPos.z;
            break;
        default:
            fatal_printf("gdm_getpos(): %d out of range", id);
    }
    return;
}

/**
 * Clamps the coordinates so that they are within the active view
 */
static void clamp_coords_to_active_view(f32 *x, f32 *y) {
    struct ObjView *view = sActiveView;

    if (*x < 0.0f) {
        *x = 0.0f;
    } else if (*x > view->lowerRight.x) {
        *x = view->lowerRight.x;
    }

    if (*y < 0.0f) {
        *y = 0.0f;
    } else if (*y > view->lowerRight.y) {
        *y = view->lowerRight.y;
    }
}

/* 24B5A8 -> 24B5D4; orig name: func_8019CDD8 */
void fatal_no_dl_mem(void) {
    fatal_printf("Out of DL mem\n");
}

/* 24B5D4 -> 24B6AC */
struct GdDisplayList *alloc_displaylist(u32 id) {
    struct GdDisplayList *gdDl;

    gdDl = gd_malloc_perm(sizeof(struct GdDisplayList));
    if (gdDl == NULL) {
        fatal_no_dl_mem();
    }

    gdDl->number = sGdDlCount++;
    if (sGdDlCount >= MAX_GD_DLS) {
        fatal_printf("alloc_displaylist() too many display lists %d (MAX %d)", sGdDlCount + 1,
                     MAX_GD_DLS);
    }
    sGdDLArray[gdDl->number] = gdDl;
    gdDl->id = id;
    return gdDl;
}

/* 24B6AC -> 24B7A0; orig name: func_8019CEDC */
void cpy_remaining_gddl(struct GdDisplayList *dst, struct GdDisplayList *src) {
    dst->vtx = &DL_CURRENT_VTX(src);
    dst->mtx = &DL_CURRENT_MTX(src);
    dst->light = &DL_CURRENT_LIGHT(src);
    dst->gfx = &DL_CURRENT_GFX(src);
    dst->vp = &DL_CURRENT_VP(src);
    dst->totalVtx = src->totalVtx - src->curVtxIdx;
    dst->totalMtx = src->totalMtx - src->curMtxIdx;
    dst->totalLights = src->totalLights - src->curLightIdx;
    dst->totalGfx = src->totalGfx - src->curGfxIdx;
    dst->totalVp = src->totalVp - src->curVpIdx;
    dst->curVtxIdx = 0;
    dst->curMtxIdx = 0;
    dst->curLightIdx = 0;
    dst->curGfxIdx = 0;
    dst->curVpIdx = 0;
}

/* 24B7A0 -> 24B7F8; orig name: func_8019CFD0 */
struct GdDisplayList *create_child_gdl(s32 id, struct GdDisplayList *srcDl) {
    struct GdDisplayList *newDl;

    newDl = alloc_displaylist(id);
    newDl->parent = srcDl;
    cpy_remaining_gddl(newDl, srcDl);
//! @bug No return statement, despite return value being used.
//!      Goddard lucked out that `v0` return from alloc_displaylist()
//!      is not overwriten, as that pointer is what should be returned
#ifdef AVOID_UB
    return newDl;
#endif
}

/* 24B7F8 -> 24BA48; orig name: func_8019D028 */
struct GdDisplayList *new_gd_dl(s32 id, s32 gfxs, s32 verts, s32 mtxs, s32 lights, s32 vps) {
    struct GdDisplayList *dl; // 24

    dl = alloc_displaylist(id);
    dl->parent = NULL;
    if (verts == 0) {
        verts = 1;
    }
    dl->curVtxIdx = 0;
    dl->totalVtx = verts;
    if ((dl->vtx = gd_malloc_perm(verts * sizeof(Vtx))) == NULL) {
        fatal_no_dl_mem();
    }

    if (mtxs == 0) {
        mtxs = 1;
    }
    dl->curMtxIdx = 0;
    dl->totalMtx = mtxs;
    if ((dl->mtx = gd_malloc_perm(mtxs * sizeof(Mtx))) == NULL) {
        fatal_no_dl_mem();
    }

    if (lights == 0) {
        lights = 1;
    }
    dl->curLightIdx = 0;
    dl->totalLights = lights;
    if ((dl->light = gd_malloc_perm(lights * sizeof(Lights4))) == NULL) {
        fatal_no_dl_mem();
    }

    if (gfxs == 0) {
        gfxs = 1;
    }
    dl->curGfxIdx = 0;
    dl->totalGfx = gfxs;
    if ((dl->gfx = gd_malloc_perm(gfxs * sizeof(Gfx))) == NULL) {
        fatal_no_dl_mem();
    }

    if (vps == 0) {
        vps = 1;
    }
    dl->curVpIdx = 0;
    dl->totalVp = vps;
    if ((dl->vp = gd_malloc_perm(vps * sizeof(Vp))) == NULL) {
        fatal_no_dl_mem();
    }

    dl->dlptr = NULL;
    return dl;
}

/* 24BA48 -> 24BABC; not called */
void gd_rsp_init(void) {
    gSPDisplayList(next_gfx(), osVirtualToPhysical(&gd_dl_rsp_init));
    gDPPipeSync(next_gfx());
}

/* 24BABC -> 24BB30; not called */
void gd_rdp_init(void) {
    gSPDisplayList(next_gfx(), osVirtualToPhysical(&gd_dl_rdp_init));
    gDPPipeSync(next_gfx());
}

/* 24BB30 -> 24BED8; orig name: func_8019D360 */
void gd_draw_rect(f32 ulx, f32 uly, f32 lrx, f32 lry) {
    clamp_coords_to_active_view(&ulx, &uly);
    clamp_coords_to_active_view(&lrx, &lry);

    if (lrx > ulx && lry > uly) {
        gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x + ulx),
                         (u32)(uly + sActiveView->upperLeft.y), (u32)(sActiveView->upperLeft.x + lrx),
                         (u32)(lry + sActiveView->upperLeft.y));
    }

    gDPPipeSync(next_gfx());
    gDPSetCycleType(next_gfx(), G_CYC_1CYCLE);
    gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2);
}

/* 24BED8 -> 24CAC8; orig name: func_8019D708 */
void gd_draw_border_rect(f32 ulx, f32 uly, f32 lrx, f32 lry) {
    clamp_coords_to_active_view(&ulx, &uly);
    clamp_coords_to_active_view(&lrx, &lry);

    if (lrx > ulx && lry > uly) {
        gDPFillRectangle(
            next_gfx(), (u32)(sActiveView->upperLeft.x + ulx), (u32)(uly + sActiveView->upperLeft.y),
            (u32)(sActiveView->upperLeft.x + ulx + 5.0f), (u32)(lry + sActiveView->upperLeft.y));
        gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x + lrx - 5.0f),
                         (u32)(uly + sActiveView->upperLeft.y), (u32)(sActiveView->upperLeft.x + lrx),
                         (u32)(lry + sActiveView->upperLeft.y));
        gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x + ulx),
                         (u32)(uly + sActiveView->upperLeft.y), (u32)(sActiveView->upperLeft.x + lrx),
                         (u32)(uly + sActiveView->upperLeft.y + 5.0f));
        gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x + ulx),
                         (u32)(lry + sActiveView->upperLeft.y - 5.0f),
                         (u32)(sActiveView->upperLeft.x + lrx), (u32)(lry + sActiveView->upperLeft.y));
    }

    gDPPipeSync(next_gfx());
    gDPSetCycleType(next_gfx(), G_CYC_1CYCLE);
    gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2);
}

/* 24CAC8 -> 24CDB4; orig name: func_8019E2F8 */
void gd_dl_set_fill(struct GdColour *colour) {
    u8 r, g, b;

    r = colour->r * 255.0f;
    g = colour->g * 255.0f;
    b = colour->b * 255.0f;

    gDPPipeSync(next_gfx());
    gDPSetCycleType(next_gfx(), G_CYC_FILL);
    gDPSetRenderMode(next_gfx(), G_RM_OPA_SURF, G_RM_OPA_SURF2);
    gDPSetFillColor(next_gfx(), GPACK_RGBA5551(r, g, b, 1) << 16 | GPACK_RGBA5551(r, g, b, 1));
}

/* 24CDB4 -> 24CE10; orig name: func_8019E5E4 */
void gd_dl_set_z_buffer_area(void) {
    gDPSetDepthImage(next_gfx(), GD_LOWER_24(sActiveView->parent->zbuf));
}

/* 24CE10 -> 24CF2C; orig name: func_8019E640 */
void gd_set_color_fb(void) {
    gDPSetColorImage(next_gfx(), G_IM_FMT_RGBA, G_IM_SIZ_16b, sActiveView->parent->lowerRight.x,
                     GD_LOWER_24(sActiveView->parent->colourBufs[gGdFrameBufNum]));
}

/* 24CF2C -> 24CFCC; orig name: func_8019E75C */
void reset_cur_dl_indices(void) {
    sMHeadMainDls[gGdFrameBufNum]->curGfxIdx = 0;
    sCurrentGdDl = sDynamicMainDls[gGdFrameBufNum];
    sCurrentGdDl->curVtxIdx = 0;
    sCurrentGdDl->curMtxIdx = 0;
    sCurrentGdDl->curLightIdx = 0;
    sCurrentGdDl->curGfxIdx = 0;
    sCurrentGdDl->curVpIdx = 0;
}

/* 24CFCC -> 24D044; orig name: func_8019E7FC */
void begin_gddl(s32 num) {
    sCurrentGdDl = sGdDLArray[num];
    sCurrentGdDl->curVtxIdx = 0;
    sCurrentGdDl->curMtxIdx = 0;
    sCurrentGdDl->curLightIdx = 0;
    sCurrentGdDl->curGfxIdx = 0;
    sCurrentGdDl->curVpIdx = 0;
}

/* 24D044 -> 24D064; orig name: func_8019E874 */
void stash_current_gddl(void) {
    sGdDlStash = sCurrentGdDl;
}

/* 24D064 -> 24D084; orig name: func_8019E894 */
void pop_gddl_stash(void) {
    sCurrentGdDl = sGdDlStash;
}

/* 24D084 -> 24D1D4 */
s32 gd_startdisplist(s32 memarea) {
    D_801BB018 = 0;
    D_801BB01C = 1;

    switch (memarea) {
        case 7:  // Create new display list as a child of sStaticDl
            sCurrentGdDl = create_child_gdl(0, sStaticDl);
            break;
        case 8:  // Use the active view's display list
            if (sActiveView->id > 2) {
                fatal_printf("gd_startdisplist(): Too many views to display");
            }

            sCurrentGdDl = sViewDls[sActiveView->id][gGdFrameBufNum];
            cpy_remaining_gddl(sCurrentGdDl, sCurrentGdDl->parent);
            break;
        default:
            fatal_printf("gd_startdisplist(): Unknown memory area");
            break;
    }
    gDPPipeSync(next_gfx());

    return sCurrentGdDl->number;
}

/* 24D1D4 -> 24D23C */
void gd_enddlsplist(void) {
    gDPPipeSync(next_gfx());
    gSPEndDisplayList(next_gfx());
}

/* 24D23C -> 24D39C; orig name: func_8019EA6C */
s32 gd_enddlsplist_parent(void) {
    s32 curDlIdx = 0; // 24

    gDPPipeSync(next_gfx());
    gSPEndDisplayList(next_gfx());
    if (sCurrentGdDl->parent != NULL) {
        sCurrentGdDl->parent->curVtxIdx = (sCurrentGdDl->parent->curVtxIdx + sCurrentGdDl->curVtxIdx);
        sCurrentGdDl->parent->curMtxIdx = (sCurrentGdDl->parent->curMtxIdx + sCurrentGdDl->curMtxIdx);
        sCurrentGdDl->parent->curLightIdx =
            (sCurrentGdDl->parent->curLightIdx + sCurrentGdDl->curLightIdx);
        sCurrentGdDl->parent->curGfxIdx = (sCurrentGdDl->parent->curGfxIdx + sCurrentGdDl->curGfxIdx);
        sCurrentGdDl->parent->curVpIdx = (sCurrentGdDl->parent->curVpIdx + sCurrentGdDl->curVpIdx);
    }
    curDlIdx = sCurrentGdDl->curGfxIdx;
    return curDlIdx;
}

/* 24D39C -> 24D3D8 */
void Unknown8019EBCC(s32 num, uintptr_t gfxptr) {
    sGdDLArray[num]->gfx = (Gfx *) (GD_LOWER_24(gfxptr) + D_801BAF28);
}

/* 24D3D8 -> 24D458; orig name: func_8019EC08 */
u32 new_gddl_from(Gfx *dl, UNUSED s32 arg1) {
    struct GdDisplayList *gddl;

    gddl = new_gd_dl(0, 0, 0, 0, 0, 0);
    gddl->gfx = (Gfx *) (GD_LOWER_24((uintptr_t) dl) + D_801BAF28);
    return gddl->number;
}

/* 24D458 -> 24D4C4 */
u32 Unknown8019EC88(Gfx *dl, UNUSED s32 arg1) {
    struct GdDisplayList *gddl;

    gddl = new_gd_dl(0, 0, 0, 0, 0, 0);
    gddl->gfx = dl;
    return gddl->number;
}

/* 24D4C4 -> 24D63C; orig name: func_8019ECF4 */
void mat4_to_mtx(Mat4f *src, Mtx *dst) {
#ifndef GBI_FLOATS
    s32 i; // 14
    s32 j; // 10
    s32 w1;
    s32 w2;
    s32 *mtxInt = (s32 *) dst->m[0]; // s32 part
    s32 *mtxFrc = (s32 *) dst->m[2]; // frac part

    for (i = 0; i < 4; i++) {
        for (j = 0; j < 2; j++) {
            w1 = (s32)((*src)[i][j * 2] * 65536.0f);
            w2 = (s32)((*src)[i][j * 2 + 1] * 65536.0f);
            *mtxInt = MTX_INTPART_PACK(w1, w2);
            mtxInt++;
            *mtxFrc = MTX_FRACPART_PACK(w1, w2);
            mtxFrc++;
        }
    }
#else
    guMtxF2L(*src, dst);
#endif
}

/**
 * Adds a display list operation that multiplies the current matrix with `mtx`.
 */
void gd_dl_mul_matrix(Mat4f *mtx) {
    mat4_to_mtx(mtx, &DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), osVirtualToPhysical(&DL_CURRENT_MTX(sCurrentGdDl)), sMtxParamType | G_MTX_MUL | G_MTX_NOPUSH);
    next_mtx();
}

/**
 * Adds a display list operation that replaces the current matrix with `mtx`.
 */
void gd_dl_load_matrix(Mat4f *mtx) {
    mat4_to_mtx(mtx, &DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), osVirtualToPhysical(&DL_CURRENT_MTX(sCurrentGdDl)),
              sMtxParamType | G_MTX_LOAD | G_MTX_NOPUSH);
    next_mtx();
}

/**
 * Adds a display list operation that replaces the current matrix with the
 * identity matrix.
 */
void gd_dl_load_identity_matrix(void) {
    gSPMatrix(next_gfx(), osVirtualToPhysical(&sIdnMtx), sMtxParamType | G_MTX_LOAD | G_MTX_NOPUSH);
}

/**
 * Adds a display list operation that pushes the current matrix onto the matrix
 * stack.
 */
void gd_dl_push_matrix(void) {
    gSPMatrix(next_gfx(), osVirtualToPhysical(&sIdnMtx), sMtxParamType | G_MTX_MUL | G_MTX_PUSH);
}

/**
 * Adds a display list operation that pops a matrix from the matrix stack.
 */
void gd_dl_pop_matrix(void) {
    gSPPopMatrix(next_gfx(), sMtxParamType);
}

/**
 * Adds a display list operation that translates the current matrix by `x`, `y`, and `z`.
 */
void gd_dl_mul_trans_matrix(f32 x, f32 y, f32 z) {
    guTranslate(&DL_CURRENT_MTX(sCurrentGdDl), x, y, z);
    gSPMatrix(next_gfx(), osVirtualToPhysical(&DL_CURRENT_MTX(sCurrentGdDl)), sMtxParamType | G_MTX_MUL | G_MTX_NOPUSH);
    next_mtx();
}

/**
 * Adds a display list operation that loads a translation matrix.
 */
void gd_dl_load_trans_matrix(f32 x, f32 y, f32 z) {
    guTranslate(&DL_CURRENT_MTX(sCurrentGdDl), x, y, z);
    gSPMatrix(next_gfx(), osVirtualToPhysical(&DL_CURRENT_MTX(sCurrentGdDl)),
              sMtxParamType | G_MTX_LOAD | G_MTX_NOPUSH);
    next_mtx();
}

/**
 * Adds a display list operation that scales the current matrix by `x`, `y`, and `z`.
 */
void gd_dl_scale(f32 x, f32 y, f32 z) {
    Mat4f mtx;
    struct GdVec3f vec;

    vec.x = x;
    vec.y = y;
    vec.z = z;
    gd_set_identity_mat4(&mtx);
    gd_scale_mat4f_by_vec3f(&mtx, &vec);
    gd_dl_mul_matrix(&mtx);
}

/* 24DA94 -> 24DAE8 */
void func_8019F2C4(f32 arg0, s8 arg1) {
    Mat4f mtx; // 18

    gd_set_identity_mat4(&mtx);
    gd_absrot_mat4(&mtx, arg1 - 120, -arg0);
    gd_dl_mul_matrix(&mtx);
}

/* 24DAE8 -> 24E1A8 */
void gd_dl_lookat(struct ObjCamera *cam, f32 arg1, f32 arg2, f32 arg3, f32 arg4, f32 arg5, f32 arg6, f32 arg7) {
    LookAt *lookat;

    arg7 *= RAD_PER_DEG;

    gd_mat4f_lookat(&cam->unkE8, arg1, arg2, arg3, arg4, arg5, arg6, gd_sin_d(arg7), gd_cos_d(arg7),
                  0.0f);

    mat4_to_mtx(&cam->unkE8, &DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), osVirtualToPhysical(&DL_CURRENT_MTX(sCurrentGdDl)),
            G_MTX_PROJECTION | G_MTX_MUL | G_MTX_NOPUSH);

    /*  col           colc          dir
        0  1  2   3   4  5  6   7   8  9  10  11
    { { 0, 0, 0}, _, {0, 0, 0}, _, {0, 0, 0}, _}
       16 17 18  19  20 21  22 23  24 25  26  27
    { { 0, 0, 0}, _, {0, 0, 0}, _, {0, 0, 0}, _}
    */
    lookat = &D_801BE7D0[gGdFrameBufNum];

    lookat->l[0].l.dir[0] = LOOKAT_PACK(cam->unkE8[0][0]);
    lookat->l[0].l.dir[1] = LOOKAT_PACK(cam->unkE8[1][0]);
    lookat->l[0].l.dir[2] = LOOKAT_PACK(cam->unkE8[2][0]);

    lookat->l[1].l.dir[0] = LOOKAT_PACK(cam->unkE8[0][1]);
    lookat->l[1].l.dir[1] = LOOKAT_PACK(cam->unkE8[1][1]);
    lookat->l[1].l.dir[2] = LOOKAT_PACK(cam->unkE8[2][1]);

    lookat->l[0].l.col[0] = 0;
    lookat->l[0].l.col[1] = 0;
    lookat->l[0].l.col[2] = 0;
    lookat->l[0].l.pad1 = 0;
    lookat->l[0].l.colc[0] = 0;
    lookat->l[0].l.colc[1] = 0;
    lookat->l[0].l.colc[2] = 0;
    lookat->l[0].l.pad2 = 0;
    lookat->l[1].l.col[0] = 0;
    lookat->l[1].l.col[1] = 0x80;
    lookat->l[1].l.col[2] = 0;
    lookat->l[1].l.pad1 = 0;
    lookat->l[1].l.colc[0] = 0;
    lookat->l[1].l.colc[1] = 0x80;
    lookat->l[1].l.colc[2] = 0;
    lookat->l[1].l.pad2 = 0;

    lookat = &D_801BE790[0];
    lookat->l[0].l.dir[0] = 1;
    lookat->l[0].l.dir[1] = 0;
    lookat->l[0].l.dir[2] = 0;

    lookat->l[1].l.dir[0] = 0;
    lookat->l[1].l.dir[1] = 1;
    lookat->l[1].l.dir[2] = 0;

    lookat->l[0].l.col[0] = 0;
    lookat->l[0].l.col[1] = 0;
    lookat->l[0].l.col[2] = 0;
    lookat->l[0].l.pad1 = 0;
    lookat->l[0].l.colc[0] = 0;
    lookat->l[0].l.colc[1] = 0;
    lookat->l[0].l.colc[2] = 0;
    lookat->l[0].l.pad2 = 0;
    lookat->l[1].l.col[0] = 0;
    lookat->l[1].l.col[1] = 0x80;
    lookat->l[1].l.col[2] = 0;
    lookat->l[1].l.pad1 = 0;
    lookat->l[1].l.colc[0] = 0;
    lookat->l[1].l.colc[1] = 0x80;
    lookat->l[1].l.colc[2] = 0;
    lookat->l[1].l.pad2 = 0;

    gSPLookAt(next_gfx(), osVirtualToPhysical(&D_801BE7D0[gGdFrameBufNum]));
    next_mtx();
}

/* 24E1A8 -> 24E230; orig name: func_8019F9D8 */
void check_tri_display(s32 vtxcount) {
    D_801A86C0 = sCurrentGdDl->curVtxIdx;
    D_801BB0B4 = 0;
    if (vtxcount != 3) {
        fatal_printf("cant display no tris\n");
    }
    if (D_801BB018 != 0 || D_801BB01C != 0) {
        ;
    }
}

/**
 * Adds a vertex to the current display list. Returns a pointer to the vertex if
 * it is new, or NULL if the vertex already exists.
 */
Vtx *gd_dl_make_vertex(f32 x, f32 y, f32 z, f32 alpha) {
    Vtx *vtx = NULL;
    s32 i;

    // Add the vertex index to the buffer if it doesn't already exist
    for (i = sVertexBufStartIndex; i < (sVertexBufStartIndex + sVertexBufCount); i++) {
        // the ifs need to be separate to match...
        if (sCurrentGdDl->vtx[i].n.ob[0] == (s16) x) {
            if (sCurrentGdDl->vtx[i].n.ob[1] == (s16) y) {
                if (sCurrentGdDl->vtx[i].n.ob[2] == (s16) z) {
                    sTriangleBuf[sTriangleBufCount][D_801BB0B4++] = (s16) i;
                    return NULL;
                }
            }
        }
    }

    sVertexBufCount++;
    sTriangleBuf[sTriangleBufCount][D_801BB0B4++] = (s16) sCurrentGdDl->curVtxIdx;

    DL_CURRENT_VTX(sCurrentGdDl).n.ob[0] = (s16) x;
    DL_CURRENT_VTX(sCurrentGdDl).n.ob[1] = (s16) y;
    DL_CURRENT_VTX(sCurrentGdDl).n.ob[2] = (s16) z;
    DL_CURRENT_VTX(sCurrentGdDl).n.flag = 0;
    DL_CURRENT_VTX(sCurrentGdDl).n.tc[0] = sVtxCvrtTCBuf[0];
    DL_CURRENT_VTX(sCurrentGdDl).n.tc[1] = sVtxCvrtTCBuf[1];
    DL_CURRENT_VTX(sCurrentGdDl).n.n[0] = sVtxCvrtNormBuf[0];
    DL_CURRENT_VTX(sCurrentGdDl).n.n[1] = sVtxCvrtNormBuf[1];
    DL_CURRENT_VTX(sCurrentGdDl).n.n[2] = sVtxCvrtNormBuf[2];
    DL_CURRENT_VTX(sCurrentGdDl).n.a = (u8)(alpha * 255.0f);

    vtx = &DL_CURRENT_VTX(sCurrentGdDl);
    next_vtx();
    return vtx;
}

/* 24E6C0 -> 24E724 */
void func_8019FEF0(void) {
    sTriangleBufCount++;
    if (sVertexBufCount >= 12) {
        gd_dl_flush_vertices();
        func_801A0038();
    }
    D_801BB018 = 0;
}

/**
 * Adds a triange to the current display list.
 */
void gd_dl_make_triangle(f32 x1, f32 y1, f32 z1, f32 x2, f32 y2, f32 z2, f32 x3, f32 y3, f32 z3) {
    Vtx *vtx;

    vtx = &DL_CURRENT_VTX(sCurrentGdDl);
    gd_dl_make_vertex(x1, y1, z1, 1.0f);
    gd_dl_make_vertex(x2, y2, z2, 1.0f);
    gd_dl_make_vertex(x3, y3, z3, 1.0f);

    gSPVertex(next_gfx(), osVirtualToPhysical(vtx), 3, 0);
    gSP1Triangle(next_gfx(), 0, 1, 2, 0);
}

/* 24E808 -> 24E840 */
void func_801A0038(void) {
    sVertexBufCount = 0;
    sTriangleBufCount = 0;
    sVertexBufStartIndex = sCurrentGdDl->curVtxIdx;
}

/* 24E840 -> 24E9BC */
void gd_dl_flush_vertices(void) {
    UNUSED u8 filler[4];
    s32 i;
    UNUSED s32 startvtx = sVertexBufStartIndex;

    if (sVertexBufCount != 0) {
        // load vertex data
        gSPVertex(next_gfx(), osVirtualToPhysical(&sCurrentGdDl->vtx[sVertexBufStartIndex]), sVertexBufCount, 0);
        // load triangle data
        for (i = 0; i < sTriangleBufCount; i++) {
            gSP1Triangle(next_gfx(),
                sTriangleBuf[i][0] - sVertexBufStartIndex,
                sTriangleBuf[i][1] - sVertexBufStartIndex,
                sTriangleBuf[i][2] - sVertexBufStartIndex,
                0);
        }
    }
    func_801A0038();
}

/**
 * Unused - called by func_801A520C
 */
static void func_801A01EC(void) {
    if (D_801BE8B0.validCount >= D_801BE8B0.msgCount) {
        osRecvMesg(&D_801BE8B0, &sGdDMACompleteMsg, OS_MESG_BLOCK);
    }
    osRecvMesg(&D_801BE8B0, &sGdDMACompleteMsg, OS_MESG_BLOCK);
}

/**
 * Unused - called by func_801A520C
 */
static void func_801A025C(void) {
    gGdFrameBufNum ^= 1;
    osViSwapBuffer(sScreenView->parent->colourBufs[gGdFrameBufNum]);
}

/* 24EA88 -> 24EAF4 */
void set_render_alpha(f32 alpha) {
    sAlpha = alpha * 255.0f;
    update_render_mode();
}

/* 24EAF4 -> 24EB0C */
// light id?
void set_light_id(s32 index) {
    sLightId = index;
}

/* 24EB0C -> 24EB24; orig name: func_801A033C */
void set_light_num(s32 n) {
    sNumLights = n;
}

/* 24EB24 -> 24EC18 */
s32 create_mtl_gddl(UNUSED s32 mtlType) {
    s32 dlnum;            // 24
    struct GdColour blue; // 18

    blue.r = 0.0f;
    blue.g = 0.0f;
    blue.b = 1.0f;
    dlnum = gd_startdisplist(7);
    gd_dl_material_lighting(dlnum, &blue, GD_MTL_TEX_OFF);
    gd_enddlsplist_parent();
    sCurrentGdDl->totalVtx = sCurrentGdDl->curVtxIdx;
    sCurrentGdDl->totalMtx = sCurrentGdDl->curMtxIdx;
    sCurrentGdDl->totalLights = sCurrentGdDl->curLightIdx;
    sCurrentGdDl->totalGfx = sCurrentGdDl->curGfxIdx;
    sCurrentGdDl->totalVp = sCurrentGdDl->curVpIdx;
    return dlnum;
}

/* 24EC18 -> 24EC48; orig name: func_801A0448 */
void branch_to_gddl(s32 dlNum) {
    branch_cur_dl_to_num(dlNum);
}

/* 24EC48 -> 24F03C */
// phong shading function?
void gd_dl_hilite(s32 idx, // material GdDl number; offsets into hilite array
                   struct ObjCamera *cam, UNUSED struct GdVec3f *arg2, UNUSED struct GdVec3f *arg3,
                   struct GdVec3f *arg4,   // vector to light source?
                   struct GdColour *colour // light color
) {
    UNUSED u8 filler1[96];
    Hilite *hilite; // 4c
    struct GdVec3f sp40;
    f32 sp3C; // magnitude of sp40
    f32 sp38;
    f32 sp34;
    UNUSED u8 filler2[24];

    sp38 = 32.0f; // x scale factor?
    sp34 = 32.0f; // y scale factor?
    if (idx >= 0xc8) {
        fatal_printf("too many hilites");
    }
    hilite = &sHilites[idx];

    gDPSetPrimColor(next_gfx(), 0, 0, (s32)(colour->r * 255.0f), (s32)(colour->g * 255.0f),
                    (s32)(colour->b * 255.0f), 255);
    sp40.z = cam->unkE8[0][2] + arg4->x;
    sp40.y = cam->unkE8[1][2] + arg4->y;
    sp40.x = cam->unkE8[2][2] + arg4->z;
    sp3C = sqrtf(SQ(sp40.z) + SQ(sp40.y) + SQ(sp40.x));
    if (sp3C > 0.1) {
        sp3C = 1.0 / sp3C; //? 1.0f
        sp40.z *= sp3C;
        sp40.y *= sp3C;
        sp40.x *= sp3C;

        hilite->h.x1 =
            (((sp40.z * cam->unkE8[0][0]) + (sp40.y * cam->unkE8[1][0]) + (sp40.x * cam->unkE8[2][0]))
             * sp38 * 2.0f)
            + (sp38 * 4.0f);
        hilite->h.y1 =
            (((sp40.z * cam->unkE8[0][1]) + (sp40.y * cam->unkE8[1][1]) + (sp40.x * cam->unkE8[2][1]))
             * sp34 * 2.0f)
            + (sp34 * 4.0f);
    } else {
        hilite->h.x1 = sp38 * 2.0f;
        hilite->h.y1 = sp34 * 2.0f;
    }
}

/**
 * Adds some display list commands that perform lighting for a material
 */
s32 gd_dl_material_lighting(s32 id, struct GdColour *colour, s32 material) {
    UNUSED u8 filler[8];
    s32 i;
    s32 numLights = sNumLights;
    s32 scaledColours[3];
    s32 lightDir[3];

    if (id > 0) {
        begin_gddl(id);
    }
    switch (material) {
        case GD_MTL_TEX_OFF:
            gddl_is_loading_stub_dl(FALSE);
            gddl_is_loading_stub_dl(FALSE);
            gddl_is_loading_stub_dl(FALSE);
            gddl_is_loading_stub_dl(FALSE);
            gddl_is_loading_shine_dl(FALSE);
            gddl_is_loading_shine_dl(FALSE);
            gddl_is_loading_shine_dl(FALSE);
            gddl_is_loading_shine_dl(FALSE);
            numLights = NUMLIGHTS_2;
            break;
        case GD_MTL_STUB_DL:
            gddl_is_loading_stub_dl(TRUE);
            break;
        case GD_MTL_SHINE_DL:
            gddl_is_loading_shine_dl(TRUE);
            if (id >= 200) {
                fatal_printf("too many hilites");
            }
            gDPSetHilite1Tile(next_gfx(), G_TX_RENDERTILE, &sHilites[id], 32, 32);
            break;
        case GD_MTL_BREAK:
            break;
        default:
            gddl_is_loading_stub_dl(FALSE);
            gddl_is_loading_shine_dl(FALSE);

            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[0] = colour->r * 255.0f;
            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[1] = colour->g * 255.0f;
            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[2] = colour->b * 255.0f;

            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[0] = DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[0];
            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[1] = DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[1];
            DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[2] = DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[2];
            // 801A0D04
            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.col[0] = 0;
            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.col[1] = 0;
            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.col[2] = 0;

            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.colc[0] = 0;
            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.colc[1] = 0;
            DL_CURRENT_LIGHT(sCurrentGdDl).l[0].l.colc[2] = 0;

            gSPNumLights(next_gfx(), NUMLIGHTS_1);
            gSPLight(next_gfx(), osVirtualToPhysical(&DL_CURRENT_LIGHT(sCurrentGdDl).l), LIGHT_1);
            gSPLight(next_gfx(), osVirtualToPhysical(&DL_CURRENT_LIGHT(sCurrentGdDl).a), LIGHT_2);
            next_light();
            if (id > 0) {
                gd_enddlsplist();
            }
            return 0;
            break;
    }
    // L801A0EF4
    scaledColours[0] = (s32)(colour->r * sAmbScaleColour.r * 255.0f);
    scaledColours[1] = (s32)(colour->g * sAmbScaleColour.g * 255.0f);
    scaledColours[2] = (s32)(colour->b * sAmbScaleColour.b * 255.0f);
    // 801A0FE4
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[0] = scaledColours[0];
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[1] = scaledColours[1];
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.col[2] = scaledColours[2];
    // 801A1068
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[0] = scaledColours[0];
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[1] = scaledColours[1];
    DL_CURRENT_LIGHT(sCurrentGdDl).a.l.colc[2] = scaledColours[2];
    // 801A10EC
    gSPNumLights(next_gfx(), numLights);
    for (i = 0; i < numLights; i++) { // L801A1134
        scaledColours[0] = colour->r * sLightScaleColours[i].r * 255.0f;
        scaledColours[1] = colour->g * sLightScaleColours[i].g * 255.0f;
        scaledColours[2] = colour->b * sLightScaleColours[i].b * 255.0f;
        // 801A1260
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.col[0] = scaledColours[0];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.col[1] = scaledColours[1];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.col[2] = scaledColours[2];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.colc[0] = scaledColours[0];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.colc[1] = scaledColours[1];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.colc[2] = scaledColours[2];

        // 801A13B0
        lightDir[0] = (s8)sLightDirections[i].x;
        lightDir[1] = (s8)sLightDirections[i].y;
        lightDir[2] = (s8)sLightDirections[i].z;
        // 801A141C
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.dir[0] = lightDir[0];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.dir[1] = lightDir[1];
        DL_CURRENT_LIGHT(sCurrentGdDl).l[i].l.dir[2] = lightDir[2];
        // 801A14C4
        gSPLight(next_gfx(), osVirtualToPhysical(&DL_CURRENT_LIGHT(sCurrentGdDl).l[i]), i + 1);
    }
    // L801A1550
    gSPLight(next_gfx(), osVirtualToPhysical(&DL_CURRENT_LIGHT(sCurrentGdDl)), i + 1);
    next_light();
    gd_enddlsplist();
    return 0;
}

/* 24FDB8 -> 24FE94; orig name: func_801A15E8; only from faces? */
void set_Vtx_norm_buf_1(struct GdVec3f *norm) {
    sVtxCvrtNormBuf[0] = (s8)(norm->x * 127.0f);
    sVtxCvrtNormBuf[1] = (s8)(norm->y * 127.0f);
    sVtxCvrtNormBuf[2] = (s8)(norm->z * 127.0f);
}

/* 24FE94 -> 24FF80; orig name: func_801A16C4; only from verts? */
void set_Vtx_norm_buf_2(struct GdVec3f *norm) {
    sVtxCvrtNormBuf[0] = (s8)(norm->x * 127.0f);
    sVtxCvrtNormBuf[1] = (s8)(norm->y * 127.0f);
    sVtxCvrtNormBuf[2] = (s8)(norm->z * 127.0f);

    //? are these stub functions?
    return; // @ 801A17A0
    return; // @ 801A17A8
}

/* 24FF80 -> 24FFDC; orig name: func_801A17B0 */
void set_gd_mtx_parameters(s32 params) {
    switch (params) {
        case G_MTX_PROJECTION | G_MTX_MUL | G_MTX_PUSH:
            sMtxParamType = G_MTX_PROJECTION;
            break;
        case G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_PUSH:
            sMtxParamType = G_MTX_MODELVIEW;
            break;
    }
}

/**
 * Adds a viewport to the current display list based on the current active view
 */
static void gd_dl_viewport(void) {
    Vp *vp;

    vp = &DL_CURRENT_VP(sCurrentGdDl);

    vp->vp.vscale[0] = (s16)(sActiveView->lowerRight.x * 2.0f);  // x scale
    vp->vp.vscale[1] = (s16)(sActiveView->lowerRight.y * 2.0f);  // y scale
    vp->vp.vscale[2] = 0x1FF;  // z scale
    vp->vp.vscale[3] = 0x000;

    vp->vp.vtrans[0] = (s16)((sActiveView->upperLeft.x * 4.0f) + (sActiveView->lowerRight.x * 2.0f));  // x offset
    vp->vp.vtrans[1] = (s16)((sActiveView->upperLeft.y * 4.0f) + (sActiveView->lowerRight.y * 2.0f));  // y offset
    vp->vp.vtrans[2] = 0x1FF;  // z offset
    vp->vp.vtrans[3] = 0x000;

    gSPViewport(next_gfx(), osVirtualToPhysical(vp));
    next_vp();
}

/* 2501D0 -> 250300 */
static void update_render_mode(void) {
    if ((sActiveView->flags & VIEW_ALLOC_ZBUF) != 0) {
        if (sAlpha != 0xff) {
            gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_XLU_SURF, G_RM_AA_ZB_XLU_SURF2);
        } else {
            gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2);
        }
    } else {
        if (sAlpha != 0xff) {
            gDPSetRenderMode(next_gfx(), G_RM_AA_XLU_SURF, G_RM_AA_XLU_SURF2);
        } else {
            gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2);
        }
    }
}

/* 250300 -> 250640 */
void Unknown801A1B30(void) {
    gDPPipeSync(next_gfx());
    gd_set_color_fb();
    gd_dl_set_fill(&sActiveView->colour);
    gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x), (u32)(sActiveView->upperLeft.y),
                     (u32)(sActiveView->upperLeft.x + sActiveView->lowerRight.x - 1.0f),
                     (u32)(sActiveView->upperLeft.y + sActiveView->lowerRight.y - 1.0f));
    gDPPipeSync(next_gfx());
}

/* 250640 -> 250AE0 */
void Unknown801A1E70(void) {
    gDPPipeSync(next_gfx());
    gDPSetCycleType(next_gfx(), G_CYC_FILL);
    gDPSetRenderMode(next_gfx(), G_RM_OPA_SURF, G_RM_OPA_SURF2);
    gd_dl_set_z_buffer_area();
    gDPSetColorImage(next_gfx(), G_IM_FMT_RGBA, G_IM_SIZ_16b, sActiveView->parent->lowerRight.x,
                     GD_LOWER_24(sActiveView->parent->zbuf));
    gDPSetFillColor(next_gfx(), GPACK_ZDZ(G_MAXFBZ, 0) << 16 | GPACK_ZDZ(G_MAXFBZ, 0));
    gDPFillRectangle(next_gfx(), (u32)(sActiveView->upperLeft.x), (u32)(sActiveView->upperLeft.y),
                     (u32)(sActiveView->upperLeft.x + sActiveView->lowerRight.x - 1.0f),
                     (u32)(sActiveView->upperLeft.y + sActiveView->lowerRight.y - 1.0f));
    gDPPipeSync(next_gfx());
    gd_set_color_fb();
}

/* 250AE0 -> 250B30; orig name: func_801A2310 */
void gd_set_one_cycle(void) {
    gDPSetCycleType(next_gfx(), G_CYC_1CYCLE);
    update_render_mode();
}

/* 250B30 -> 250B44 */
void stub_renderer_3(void) {
    UNUSED u8 filler[16];
}

/* 250B44 -> 250B58 */
void gddl_is_loading_stub_dl(UNUSED s32 dlLoad) {
}

/* 250B58 -> 250C18 */
void gddl_is_loading_shine_dl(s32 dlLoad) {
    if (dlLoad) {
        gSPDisplayList(next_gfx(), osVirtualToPhysical(&gd_dl_mario_face_shine));
    } else {
        gSPTexture(next_gfx(), 0x8000, 0x8000, 0, G_TX_RENDERTILE, G_OFF);
        gDPSetCombineMode(next_gfx(), G_CC_SHADE, G_CC_SHADE);
    }
}

/* 250C18 -> 251014; orig name: func_801A2448 */
void start_view_dl(struct ObjView *view) {
    f32 ulx;
    f32 uly;
    f32 lrx;
    f32 lry;

    if (view->upperLeft.x < view->parent->upperLeft.x) {
        ulx = view->parent->upperLeft.x;
    } else {
        ulx = view->upperLeft.x;
    }

    if (view->upperLeft.x + view->lowerRight.x
        > view->parent->upperLeft.x + view->parent->lowerRight.x) {
        lrx = view->parent->upperLeft.x + view->parent->lowerRight.x;
    } else {
        lrx = view->upperLeft.x + view->lowerRight.x;
    }

    if (view->upperLeft.y < view->parent->upperLeft.y) {
        uly = view->parent->upperLeft.y;
    } else {
        uly = view->upperLeft.y;
    }

    if (view->upperLeft.y + view->lowerRight.y
        > view->parent->upperLeft.y + view->parent->lowerRight.y) {
        lry = view->parent->upperLeft.y + view->parent->lowerRight.y;
    } else {
        lry = view->upperLeft.y + view->lowerRight.y;
    }

    if (ulx >= lrx) {
        ulx = lrx - 1.0f;
    }
    if (uly >= lry) {
        uly = lry - 1.0f;
    }

    gDPSetScissor(next_gfx(), G_SC_NON_INTERLACE, ulx, uly, lrx, lry);
    gSPClearGeometryMode(next_gfx(), 0xFFFFFFFF);
    gSPSetGeometryMode(next_gfx(), G_LIGHTING | G_CULL_BACK | G_SHADING_SMOOTH | G_SHADE);
    if (view->flags & VIEW_ALLOC_ZBUF) {
        gSPSetGeometryMode(next_gfx(), G_ZBUFFER);
    }
    gd_dl_viewport();
    update_render_mode();
    gDPPipeSync(next_gfx());
}

/* 251014 -> 251A1C; orig name: func_801A2844 */
void parse_p1_controller(void) {
    u32 i;
    struct GdControl *gdctrl = &gGdCtrl;
    OSContPad *currInputs;
    OSContPad *prevInputs;

    // Copy current inputs to previous
    u8 *src = (u8 *) gdctrl;
    u8 *dest = (u8 *) gdctrl->prevFrame;
    for (i = 0; i < sizeof(struct GdControl); i++) {
        *dest++ = *src++;
    }

    gdctrl->unk50 = gdctrl->unk4C = gdctrl->dup = gdctrl->ddown = 0;

    currInputs = &sGdContPads[0];
    prevInputs = &sPrevFrameCont[0];
    // stick values
    gdctrl->stickXf     = currInputs->stick_x;
    gdctrl->stickYf     = currInputs->stick_y;
    gdctrl->stickDeltaX = gdctrl->stickX;
    gdctrl->stickDeltaY = gdctrl->stickY;
    gdctrl->stickX      = currInputs->stick_x;
    gdctrl->stickY      = currInputs->stick_y;
    gdctrl->stickDeltaX -= gdctrl->stickX;
    gdctrl->stickDeltaY -= gdctrl->stickY;
    // button values (as bools)
    gdctrl->trgL   = (currInputs->button & L_TRIG) != 0;
    gdctrl->trgR   = (currInputs->button & R_TRIG) != 0;
    gdctrl->btnA   = (currInputs->button & A_BUTTON) != 0;
    gdctrl->btnB   = (currInputs->button & B_BUTTON) != 0;
    gdctrl->cleft  = (currInputs->button & L_CBUTTONS) != 0;
    gdctrl->cright = (currInputs->button & R_CBUTTONS) != 0;
    gdctrl->cup    = (currInputs->button & U_CBUTTONS) != 0;
    gdctrl->cdown  = (currInputs->button & D_CBUTTONS) != 0;
    // but not these buttons??
    gdctrl->dleft  = currInputs->button & L_JPAD;
    gdctrl->dright = currInputs->button & R_JPAD;
    gdctrl->dup    = currInputs->button & U_JPAD;
    gdctrl->ddown  = currInputs->button & D_JPAD;

    if (gdctrl->btnA && !gdctrl->dragging) {
        gdctrl->startedDragging = TRUE;
    } else {
        gdctrl->startedDragging = FALSE;
    }
    // toggle if A is pressed? or is this just some seed for an rng?
    gdctrl->dragging = gdctrl->btnA;
    gdctrl->unkD8b20 = gdctrl->unkD8b40 = FALSE;
    gdctrl->AbtnPressWait = FALSE;

    if (gdctrl->startedDragging) {
        gdctrl->dragStartX = gdctrl->csrX;
        gdctrl->dragStartY = gdctrl->csrY;

        if (gdctrl->currFrame - gdctrl->dragStartFrame < 10) {
            gdctrl->AbtnPressWait = TRUE;
        }
    }

    if (gdctrl->dragging) {
        gdctrl->dragStartFrame = gdctrl->currFrame;
    }
    gdctrl->currFrame++;

    if (currInputs->button & START_BUTTON && !(prevInputs->button & START_BUTTON)) {
        gdctrl->newStartPress ^= 1;
    }

    if (currInputs->button & Z_TRIG && !(prevInputs->button & Z_TRIG)) {
        sCurrDebugViewIndex++;
    }

    if (sCurrDebugViewIndex > sDebugViewsCount) {
        sCurrDebugViewIndex = 0;
    } else if (sCurrDebugViewIndex < 0) {
        sCurrDebugViewIndex = sDebugViewsCount;
    }

    if (sCurrDebugViewIndex) {
        deactivate_timing();
    } else {
        activate_timing();
    }

    for (i = 0; ((s32) i) < sDebugViewsCount; i++) {
        sDebugViews[i]->flags &= ~VIEW_UPDATE;
    }

    if (sCurrDebugViewIndex) {
        sDebugViews[sCurrDebugViewIndex - 1]->flags |= VIEW_UPDATE;
    }

    // deadzone checks
    if (ABS(gdctrl->stickX) >= 6) {
        gdctrl->csrX += gdctrl->stickX * 0.1;
    }
    if (ABS(gdctrl->stickY) >= 6) {
        gdctrl->csrY -= gdctrl->stickY * 0.1;
    }

    // clamp cursor position within screen view bounds
    if (gdctrl->csrX < sScreenView->parent->upperLeft.x + 16.0f) {
        gdctrl->csrX = sScreenView->parent->upperLeft.x + 16.0f;
    }
    if (gdctrl->csrX > sScreenView->parent->upperLeft.x + sScreenView->parent->lowerRight.x - 48.0f) {
        gdctrl->csrX = sScreenView->parent->upperLeft.x + sScreenView->parent->lowerRight.x - 48.0f;
    }
    if (gdctrl->csrY < sScreenView->parent->upperLeft.y + 16.0f) {
        gdctrl->csrY = sScreenView->parent->upperLeft.y + 16.0f;
    }
    if (gdctrl->csrY > sScreenView->parent->upperLeft.y + sScreenView->parent->lowerRight.y - 32.0f) {
        gdctrl->csrY = sScreenView->parent->upperLeft.y + sScreenView->parent->lowerRight.y - 32.0f;
    }

    for (i = 0; i < sizeof(OSContPad); i++) {
        ((u8 *) prevInputs)[i] = ((u8 *) currInputs)[i];
    }
}

void stub_renderer_4(f32 arg0) {
    return;

    // dead code
    if (D_801BD768.x * D_801A86CC.x + arg0 * 2.0f > 160.0) {
        func_801A3370(D_801BD758.x - D_801BD768.x, -20.0f, 0.0f);
        D_801BD768.x = D_801BD758.x;
    }
}

/**
 * Unused
 */
void Unknown801A32F4(s32 arg0) {
    D_801BD774 = GD_LOWER_24(arg0) + D_801BAF28;
}

/* 251AF4 -> 251B40 */
void func_801A3324(f32 x, f32 y, f32 z) {
    D_801BD768.x = x;
    D_801BD768.y = y;
    D_801BD768.z = z;
    D_801BD758.x = x;
    D_801BD758.y = y;
    D_801BD758.z = z;
}

/* 251B40 -> 251BC8 */
void func_801A3370(f32 x, f32 y, f32 z) {
    gd_dl_mul_trans_matrix(x, y, z);
    D_801BD768.x += x;
    D_801BD768.y += y;
    D_801BD768.z += z;
}

/**
 * Unused
 */
void Unknown801A33F8(f32 x, f32 y, f32 z) {
    gd_dl_mul_trans_matrix(x - D_801BD768.x, y - D_801BD768.y, z - D_801BD768.z);

    D_801BD768.x = x;
    D_801BD768.y = y;
    D_801BD768.z = z;
}

/**
 * Unused
 */
void Unknown801A347C(f32 x, f32 y, f32 z) {
    D_801A86CC.x = x;
    D_801A86CC.y = y;
    D_801A86CC.z = z;
    gd_dl_scale(x, y, z);
}

/* 251CB0 -> 251D44; orig name: func_801A34E0 */
void border_active_view(void) {
    if (sActiveView->flags & VIEW_BORDERED) {
        gd_dl_set_fill(gd_get_colour(1));
        gd_draw_border_rect(0.0f, 0.0f, (sActiveView->lowerRight.x - 1.0f),
                            (sActiveView->lowerRight.y - 1.0f));
    }
}

/* 251D44 -> 251DAC */
void gd_shading(s32 model) {
    switch (model) {
        case 9:
            break;
        case 10:
            break;
        default:
            fatal_printf("gd_shading(): Unknown shading model");
    }
}

/* 251DAC -> 251E18 */
s32 gd_getproperty(s32 prop, UNUSED void *arg1) {
    s32 got = FALSE;

    switch (prop) {
        case 3:
            got = TRUE;
            break;
        default:
            fatal_printf("gd_getproperty(): Unkown property");
    }

    return got;
}

/* 251E18 -> 2522B0 */
void gd_setproperty(enum GdProperty prop, f32 f1, f32 f2, f32 f3) {
    UNUSED f32 sp3C = 1.0f;
    s32 parm;

    switch (prop) {
        case GD_PROP_LIGHTING:
            parm = (s32) f1;
            switch (parm) {
                case 1:
                    gSPSetGeometryMode(next_gfx(), G_LIGHTING);
                    break;
                case 0:
                    gSPClearGeometryMode(next_gfx(), G_LIGHTING);
                    break;
            }
            break;
        case GD_PROP_AMB_COLOUR:
            sAmbScaleColour.r = f1;
            sAmbScaleColour.g = f2;
            sAmbScaleColour.b = f3;
            break;
        case GD_PROP_LIGHT_DIR:
            sLightDirections[sLightId].x = (s32)(f1 * 120.f);
            sLightDirections[sLightId].y = (s32)(f2 * 120.f);
            sLightDirections[sLightId].z = (s32)(f3 * 120.f);
            break;
        case GD_PROP_DIFUSE_COLOUR:
            sLightScaleColours[sLightId].r = f1;
            sLightScaleColours[sLightId].g = f2;
            sLightScaleColours[sLightId].b = f3;
            break;
        case GD_PROP_CULLING:
            parm = (s32) f1;
            switch (parm) {
                case 1:
                    gSPSetGeometryMode(next_gfx(), G_CULL_BACK);
                    break;
                case 0:
                    gSPClearGeometryMode(next_gfx(), G_CULL_BACK);
                    break;
            }
            break;
        case GD_PROP_OVERLAY:
            parm = (s32) f1;
            switch (parm) {
                case 1:
                    break;
                case 0:
                    break;
                default:
                    fatal_printf("Bad GD_OVERLAY parm");
            }
            break;
        case GD_PROP_ZBUF_FN:
            parm = (s32) f1;
            switch (parm) {
                case 23:
                    break;
                case 24:
                    break;
                case 25:
                    break;
                default:
                    fatal_printf("Bad zbuf function");
            }
            //? no break?
        case GD_PROP_STUB17:
            break;
        case GD_PROP_STUB18:
            break;
        case GD_PROP_STUB19:
            break;
        case GD_PROP_STUB20:
            break;
        case GD_PROP_STUB21:
            break;
        default:
            fatal_printf("gd_setproperty(): Unkown property");
    }
}

/* 2522B0 -> 2522C0 */
void stub_renderer_5(void) {
}

/* 2522C0 -> 25245C */
void gd_create_ortho_matrix(f32 l, f32 r, f32 b, f32 t, f32 n, f32 f) {
    uintptr_t orthoMtx;
    uintptr_t rotMtx;

    // Should produce G_RDPHALF_1 in Fast3D
    gSPPerspNormalize(next_gfx(), 0xFFFF);

    guOrtho(&DL_CURRENT_MTX(sCurrentGdDl), l, r, b, t, n, f, 1.0f);
    orthoMtx = GD_LOWER_29(&DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), orthoMtx, G_MTX_PROJECTION | G_MTX_LOAD | G_MTX_NOPUSH);

    next_mtx();
    guRotate(&DL_CURRENT_MTX(sCurrentGdDl), 0.0f, 0.0f, 0.0f, 1.0f);
    rotMtx = GD_LOWER_29(&DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), rotMtx, G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_NOPUSH);

    func_801A3324(0.0f, 0.0f, 0.0f);
    next_mtx();
}

/* 25245C -> 25262C */
void gd_create_perspective_matrix(f32 fovy, f32 aspect, f32 near, f32 far) {
    u16 perspNorm;
    UNUSED u8 filler1[4];
    uintptr_t perspecMtx;
    uintptr_t rotMtx;
    UNUSED u8 filler2[4];
    UNUSED f32 unused = 0.0625f;

    sGdPerspTimer += 0.1;
    guPerspective(&DL_CURRENT_MTX(sCurrentGdDl), &perspNorm, fovy, aspect, near, far, 1.0f);

    gSPPerspNormalize(next_gfx(), perspNorm);

    perspecMtx = GD_LOWER_29(&DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), perspecMtx, G_MTX_PROJECTION | G_MTX_LOAD | G_MTX_NOPUSH);
    next_mtx();

    guRotate(&DL_CURRENT_MTX(sCurrentGdDl), 0.0f, 0.0f, 0.0f, 1.0f);
    rotMtx = GD_LOWER_29(&DL_CURRENT_MTX(sCurrentGdDl));
    gSPMatrix(next_gfx(), rotMtx, G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_NOPUSH);
    func_801A3324(0.0f, 0.0f, 0.0f);
    next_mtx();
}

/* 25262C -> 252AF8 */
s32 setup_view_buffers(const char *name, struct ObjView *view, UNUSED s32 ulx, UNUSED s32 uly,
                       UNUSED s32 lrx, UNUSED s32 lry) {
    char memtrackerName[0x100];

    if (view->flags & (VIEW_Z_BUF | VIEW_COLOUR_BUF) && !(view->flags & VIEW_UNK_1000)) {
        if (view->flags & VIEW_COLOUR_BUF) {
            sprintf(memtrackerName, "%s CBuf", name);
            start_memtracker(memtrackerName);
            view->colourBufs[0] =
                gd_malloc((u32)(2.0f * view->lowerRight.x * view->lowerRight.y + 64.0f), 0x20);

            if (view->flags & VIEW_2_COL_BUF) {
                view->colourBufs[1] =
                    gd_malloc((u32)(2.0f * view->lowerRight.x * view->lowerRight.y + 64.0f), 0x20);
            } else {
                view->colourBufs[1] = view->colourBufs[0];
            }

            view->colourBufs[0] = (void *) ALIGN((uintptr_t) view->colourBufs[0], 64);
            view->colourBufs[1] = (void *) ALIGN((uintptr_t) view->colourBufs[1], 64);
            stop_memtracker(memtrackerName);

            if (view->colourBufs[0] == NULL || view->colourBufs[1] == NULL) {
                fatal_printf("Not enough DRAM for colour buffers\n");
            }
            view->parent = view;
        } else {
            view->parent = sScreenView;
        }

        if (view->flags & VIEW_Z_BUF) {
            sprintf(memtrackerName, "%s ZBuf", name);
            start_memtracker(memtrackerName);
            if (view->flags & VIEW_ALLOC_ZBUF) {
                view->zbuf =
                    gd_malloc((u32)(2.0f * view->lowerRight.x * view->lowerRight.y + 64.0f), 0x40);
                if (view->zbuf == NULL) {
                    fatal_printf("Not enough DRAM for Z buffer\n");
                }
                view->zbuf = (void *) ALIGN((uintptr_t) view->zbuf, 64);
            }
            stop_memtracker(memtrackerName);
        } else {
            view->zbuf = sScreenView->zbuf;
        }
    } else {
        view->parent = sScreenView;
    }

    view->gdDlNum = 0;
    view->unk74 = 0;

    if (view->flags & VIEW_DEFAULT_PARENT) {
        view->parent = D_801A86E0;
    }

//! @bug No actual return, but the return value is used.
//!      There is no obvious value to return. Since the function
//!      doesn't use four of its parameters, this function may have
//!      had a fair amount of its code commented out. In game, the
//!      returned value is always 0, so the fix returns that value
#ifdef AVOID_UB
    return 0;
#endif
}

/* 252AF8 -> 252BAC; orig name: _InitControllers */
void gd_init_controllers(void) {
    OSContPad *p1cont = &sPrevFrameCont[0]; // 1c
    u32 i;                                  // 18

    osCreateMesgQueue(&D_801BE830, D_801BE848, ARRAY_COUNT(D_801BE848));
    osSetEventMesg(OS_EVENT_SI, &D_801BE830, (OSMesg) OS_MESG_SI_COMPLETE);
    osContInit(&D_801BE830, &D_801BAEA0, D_801BAE60);
    osContStartReadData(&D_801BE830);

    for (i = 0; i < sizeof(OSContPad); i++) {
        ((u8 *) p1cont)[i] = 0;
    }
}

/* 252BAC -> 252BC0 */
void stub_renderer_6(UNUSED struct GdObj *obj) {
}

/**
 * Unused - This is likely a stub version of the `defpup` function from the IRIX
 * Graphics Library. It was used to define a popup menu. See the IRIX "Graphics
 * Library Reference Manual, C Edition" for details.
 *
 * @param menufmt  a format string defining the menu items to be added to the
 *                 popup menu.
 * @return  an identifier of the menu just defined
 */
long defpup(UNUSED const char *menufmt, ...) {
    //! @bug no return; function was stubbed
#ifdef AVOID_UB
   return 0;
#endif
}

/**
 * Unused - called when the user picks an item from the "Control Type" menu.
 * Presumably, this would allow switching inputs between controller, keyboard,
 * and mouse.
 *
 * @param itemId  ID of the menu item that was clicked
 *                (1 = "U-64 Analogue Joystick", 2 = "Keyboard", 3 = "Mouse")
 */
void menu_cb_control_type(UNUSED u32 itemId) {
}

/**
 * Unused - called when the user clicks the "Re-Calibrate Controller" item from
 * the "Dynamics" menu.
 */
void menu_cb_recalibrate_controller(UNUSED u32 itemId) {
}

/* 252C08 -> 252C70 */
void func_801A4438(f32 x, f32 y, f32 z) {
    sTextDrawPos.x = x - (sActiveView->lowerRight.x / 2.0f);
    sTextDrawPos.y = (sActiveView->lowerRight.y / 2.0f) - y;
    sTextDrawPos.z = z;
}

/* 252C70 -> 252DB4 */
s32 gd_gentexture(void *texture, s32 fmt, s32 size, UNUSED u32 arg3, UNUSED u32 arg4) {
    UNUSED s32 sp2C;
    UNUSED s32 sp28 = 1;
    s32 dl; // 24

    switch (fmt) {
        case 29:
            fmt = 0;
            break;
        case 31:
            fmt = 3;
            break;
        default:
            fatal_printf("gd_gentexture(): bad format");
    }

    switch (size) {
        case 33:
            size = 2;
            sp2C = 16;
            break;
        default:
            fatal_printf("gd_gentexture(): bad size");
    }

    sLoadedTextures[++sTextureCount] = texture;
    dl = gd_startdisplist(7);

    if (dl == 0) {
        fatal_printf("Cant generate DL for texture");
    }
    gd_enddlsplist_parent();
    sTextureDisplayLists[sTextureCount] = dl;

    return dl;
}

/**
 * Unused (not called)
 */
void *load_texture_from_file(const char *file, s32 fmt, s32 size, u32 arg3, u32 arg4) {
    struct GdFile *txFile; // 3c
    void *texture;         // 38
    u32 txSize;            // 34
    u32 i;                 // 30
    u16 *txHalf;           // 2C
    u8 buf[3];             // 28
    u8 alpha;              // 27
    s32 dl;                // 20

    txFile = gd_fopen(file, "r");
    if (txFile == NULL) {
        fatal_print("Cant load texture");
    }
    txSize = gd_get_file_size(txFile);
    texture = gd_malloc_perm(txSize / 3 * 2);
    if (texture == NULL) {
        fatal_printf("Cant allocate memory for texture");
    }
    txHalf = (u16 *) texture;
    for (i = 0; i < txSize / 3; i++) {
        gd_fread((s8 *) buf, 3, 1, txFile);
        alpha = 0xFF;
        *txHalf = ((buf[2] >> 3) << 11) | ((buf[1] >> 3) << 6) | ((buf[0] >> 3) << 1) | (alpha >> 7);
        txHalf++;
    }
    gd_printf("Loaded texture '%s' (%d bytes)\n", file, txSize);
    gd_fclose(txFile);
    dl = gd_gentexture(texture, fmt, size, arg3, arg4);
    gd_printf("Generated '%s' (%d) display list ok.\n", file, dl);

    return texture;
}

/* 252F88 -> 252FAC */
void Unknown801A47B8(struct ObjView *v) {
    if (v->flags & VIEW_SAVE_TO_GLOBAL) {
        D_801BE994 = v;
    }
}

void stub_renderer_7(void) {
}

/* 252FC4 -> 252FD8 */
void stub_renderer_8(UNUSED u32 arg0) {
}

/**
 * Unused - called by func_801A520C and Unknown801A5344
 */
void func_801A4808(void) {
    while (D_801A8674 != 0) {
        ;
    }

    return;
}

/* 253018 -> 253084 */
void func_801A4848(s32 linkDl) {
    struct GdDisplayList *curDl;

    curDl = sCurrentGdDl;
    sCurrentGdDl = sMHeadMainDls[gGdFrameBufNum];
    branch_cur_dl_to_num(linkDl);
    sCurrentGdDl = curDl;
}

/**
 * Unused - called by func_801A520C and Unknown801A5344
 */
void stub_renderer_9(void) {
}

/* 253094 -> 2530A8 */
void stub_renderer_10(UNUSED u32 arg0) {
}

/* 2530A8 -> 2530C0 */
void stub_draw_label_text(UNUSED char *s) {
    UNUSED u8 filler1[4];
    UNUSED char *save = s;
    UNUSED u8 filler2[24];
}

/* 2530C0 -> 2530D8; orig name: func_801A48F0 */
void set_active_view(struct ObjView *v) {
    sActiveView = v;
}

void stub_renderer_11(void) {
}

/**
 * Unused - called by func_801A520C
 */
void func_801A4918(void) {
    f32 x;     // c
    f32 y;     // 8
    u32 ydiff; // 4

    if (sHandView == NULL || sMenuView == NULL) {
        return;
    }

    x = sHandView->upperLeft.x;
    y = sHandView->upperLeft.y;

    if (!(x > sMenuView->upperLeft.x && x < sMenuView->upperLeft.x + sMenuView->lowerRight.x
          && y > sMenuView->upperLeft.y && y < sMenuView->upperLeft.y + sMenuView->lowerRight.y)) {
        return;
    }
    ydiff = (y - sMenuView->upperLeft.y) / 25.0f;

    if (ydiff < sItemsInMenu) {
        sMenuGadgets[ydiff]->drawFlags |= OBJ_HIGHLIGHTED;
    }
}

/* 2532D4 -> 2533DC */
void Unknown801A4B04(void) {
    if (D_801A86AC != NULL) {
        D_801A86AC->prevScaledTotal = 20.0f;
    }
    if (D_801A86A4 != NULL) {
        D_801A86A4->prevScaledTotal = (f32)((sDLGenTime * 50.0f) + 20.0f);
    }
    if (D_801A86A8 != NULL) {
        D_801A86A8->prevScaledTotal = (f32)((sDLGenTime * 50.0f) + 20.0f);
    }
    sDLGenTime = get_scaled_timer_total("dlgen");
    sRCPTime = get_scaled_timer_total("rcp");
    sDynamicsTime = get_scaled_timer_total("dynamics");
}

/* 2533DC -> 253728; orig name: func_801A4C0C */
void update_cursor(void) {
    if (sHandView == NULL)
        return;

    if (gGdCtrl.currFrame - gGdCtrl.dragStartFrame < 300) {
        sHandView->flags |= VIEW_UPDATE;
        // by playing the sfx every frame, it will only play once as it
        // never leaves the "sfx played last frame" buffer
        gd_play_sfx(GD_SFX_HAND_APPEAR);
    } else {
        sHandView->flags &= ~VIEW_UPDATE;
        gd_play_sfx(GD_SFX_HAND_DISAPPEAR);
    }

    sHandView->upperLeft.x = (f32) gGdCtrl.csrX;
    sHandView->upperLeft.y = (f32) gGdCtrl.csrY;

    // Make hand display list
    begin_gddl(sHandShape->dlNums[gGdFrameBufNum]);
    if (gGdCtrl.dragging) {
        gd_put_sprite((u16 *) gd_texture_hand_closed, sHandView->upperLeft.x, sHandView->upperLeft.y, 0x20, 0x20);
    } else {
        gd_put_sprite((u16 *) gd_texture_hand_open, sHandView->upperLeft.x, sHandView->upperLeft.y, 0x20, 0x20);
    }
    gd_enddlsplist_parent();

    if (sHandView->upperLeft.x < sHandView->parent->upperLeft.x) {
        sHandView->upperLeft.x = sHandView->parent->upperLeft.x;
    }
    if (sHandView->upperLeft.x > (sHandView->parent->upperLeft.x + sHandView->parent->lowerRight.x)) {
        sHandView->upperLeft.x = sHandView->parent->upperLeft.x + sHandView->parent->lowerRight.x;
    }

    if (sHandView->upperLeft.y < sHandView->parent->upperLeft.y) {
        sHandView->upperLeft.y = sHandView->parent->upperLeft.y;
    }
    if (sHandView->upperLeft.y > (sHandView->parent->upperLeft.y + sHandView->parent->lowerRight.y)) {
        sHandView->upperLeft.y = sHandView->parent->upperLeft.y + sHandView->parent->lowerRight.y;
    }
}

/* 253728 -> 2538E0 */
void Unknown801A4F58(void) {
    register s16 *cbufOff; // a0
    register s16 *cbufOn;  // a1
    register u16 *zbuf;    // a2
    register s16 colour;   // a3
    register s16 r;        // t0
    register s16 g;        // t1
    register s16 b;        // t2
    register s32 i;        // t3

    cbufOff = sScreenView->colourBufs[gGdFrameBufNum ^ 1];
    cbufOn = sScreenView->colourBufs[gGdFrameBufNum];
    zbuf = sScreenView->zbuf;

    for (i = 0; i < (320 * 240); i++) { // L801A4FCC
        colour = cbufOff[i];
        if (colour) {
            r = (s16)(colour >> 11 & 0x1F);
            g = (s16)(colour >> 6 & 0x1F);
            b = (s16)(colour >> 1 & 0x1F);
            if (--r < 0) {
                r = 0;
            }
            if (--g < 0) {
                g = 0;
            }
            if (--b < 0) {
                b = 0;
            }

            colour = (s16)(r << 11 | g << 6 | b << 1);
            cbufOff[i] = colour;
            cbufOn[i] = colour;
        } else { // L801A50D8
            zbuf[i] = 0xFFFC;
        }
    }
}

/* 2538E0 -> 253938 */
void Proc801A5110(struct ObjView *view) {
    if (view->flags & VIEW_UPDATE) {
        apply_to_obj_types_in_group(OBJ_TYPE_NETS, (applyproc_t) convert_net_verts, view->components);
    }
}

/* 253938 -> 2539DC; orig name: func_801A5168 */
void update_view_and_dl(struct ObjView *view) {
    UNUSED u8 filler[4];
    s32 prevFlags; // 18

    prevFlags = view->flags;
    update_view(view);
    if (prevFlags & VIEW_UPDATE) {
        sCurrentGdDl = sMHeadMainDls[gGdFrameBufNum];
        if (view->gdDlNum != 0) {
            func_801A4848(view->gdDlNum);
        }
    }
}

/**
 * Unused - called by __main__
 */
void func_801A520C(void) {
    UNUSED u8 filler[8];

    start_timer("1frame");
    start_timer("cpu");
    stub_renderer_9();
    reset_cur_dl_indices();
    parse_p1_controller();
    setup_timers();
    start_timer("dlgen");
    apply_to_obj_types_in_group(OBJ_TYPE_VIEWS, (applyproc_t) update_view_and_dl, gGdViewsGroup);
    stop_timer("dlgen");
    restart_timer("netupd");
    if (!gGdCtrl.newStartPress) {
        apply_to_obj_types_in_group(OBJ_TYPE_VIEWS, (applyproc_t) Proc801A5110, gGdViewsGroup);
    }
    split_timer("netupd");
    split_timer("cpu");
    func_801A4808();
    restart_timer("cpu");
    func_801A025C();
    update_cursor();
    func_801A4918();
    stop_timer("1frame");
    sTracked1FrameTime = get_scaled_timer_total("1frame");
    split_timer("cpu");
    func_801A01EC();
}

/**
 * Unused
 */
void Unknown801A5344(void) {
    if ((sActiveView = sScreenView) == NULL) {
        return;
    }

    reset_cur_dl_indices();
    sScreenView->gdDlNum = gd_startdisplist(8);
    start_view_dl(sScreenView);
    gd_set_one_cycle();
    gd_enddlsplist_parent();
    func_801A4848(sScreenView->gdDlNum);
    stub_renderer_9();
    func_801A4808();
    sScreenView->gdDlNum = 0;
}

/* 253BC8 -> 2540E0 */
void gd_init(void) {
    s32 i; // 34
    UNUSED u8 filler[4];
    s8 *data; // 2c

    imin("gd_init");
    i = (u32)(sMemBlockPoolSize - DOUBLE_SIZE_ON_64_BIT(0x3E800));
    data = gd_allocblock(i);
    gd_add_mem_to_heap(i, data, 0x10);
    sAlpha = (u16) 0xff;
    D_801A867C = 0;
    D_801A8680 = 0;
    sTextureCount = 0;
    gGdFrameBufNum = 0;
    D_801A86BC = 1;
    sItemsInMenu = 0;
    sDebugViewsCount = 0;
    sCurrDebugViewIndex = 0;
    sGdDlCount = 0;
    D_801A8674 = 0;
    sLightId = 0;
    sAmbScaleColour.r = 0.0f;
    sAmbScaleColour.g = 0.0f;
    sAmbScaleColour.b = 0.0f;

    for (i = 0; i < ARRAY_COUNT(sLightScaleColours); i++) {
        sLightScaleColours[i].r = 1.0f;
        sLightScaleColours[i].g = 0.0f;
        sLightScaleColours[i].b = 0.0f;
        sLightDirections[i].x = 0;
        sLightDirections[i].y = 120;
        sLightDirections[i].z = 0;
    }

    sNumLights = NUMLIGHTS_2;
    gd_set_identity_mat4(&sInitIdnMat4);
    mat4_to_mtx(&sInitIdnMat4, &sIdnMtx);
    remove_all_memtrackers();
    null_obj_lists();
    start_memtracker("total");
    remove_all_timers();

    start_memtracker("Static DL");
    sStaticDl = new_gd_dl(0, 1900, 4000, 1, 300, 8);
    stop_memtracker("Static DL");

    start_memtracker("Dynamic DLs");
    sDynamicMainDls[0] = new_gd_dl(1, 600, 10, 200, 10, 3);
    sDynamicMainDls[1] = new_gd_dl(1, 600, 10, 200, 10, 3);
    stop_memtracker("Dynamic DLs");

    sMHeadMainDls[0] = new_gd_dl(1, 100, 0, 0, 0, 0);
    sMHeadMainDls[1] = new_gd_dl(1, 100, 0, 0, 0, 0);

    for (i = 0; i < ARRAY_COUNT(sViewDls); i++) {
        sViewDls[i][0] = create_child_gdl(1, sDynamicMainDls[0]);
        sViewDls[i][1] = create_child_gdl(1, sDynamicMainDls[1]);
    }

    sScreenView =
        make_view("screenview2", (VIEW_2_COL_BUF | VIEW_UNK_1000 | VIEW_COLOUR_BUF | VIEW_Z_BUF), 0, 0,
                  0, 320, 240, NULL);
    sScreenView->colour.r = 0.0f;
    sScreenView->colour.g = 0.0f;
    sScreenView->colour.b = 0.0f;
    sScreenView->parent = sScreenView;
    sScreenView->flags &= ~VIEW_UPDATE;
    sActiveView = sScreenView;

    // Zero out controller inputs
    data = (s8 *) &gGdCtrl;
    for (i = 0; (u32) i < sizeof(struct GdControl); i++) {
        *data++ = 0;
    }

    // 801A5868
    gGdCtrl.unk88 = 1.0f;
    gGdCtrl.unkA0 = -45.0f;
    gGdCtrl.unkAC = 45.0f;
    gGdCtrl.unk00 = 2;
    gGdCtrl.newStartPress = FALSE;
    gGdCtrl.prevFrame = &gGdCtrlPrev;
    gGdCtrl.csrX = 160;
    gGdCtrl.csrY = 120;
    gGdCtrl.dragStartFrame = -1000;
    unusedDl801BB0AC = create_mtl_gddl(4);
    imout();
}

/**
 * Unused - reverses the characters in `str`.
 */
void reverse_string(char *str, s32 len) {
    char buf[100];
    s32 i;

    for (i = 0; i < len; i++) {
        buf[i] = str[len - i - 1];
    }

    for (i = 0; i < len; i++) {
        str[i] = buf[i];
    }
}

/* 254168 -> 25417C */
void stub_renderer_12(UNUSED s8 *arg0) {
}

/* 25417C -> 254190 */
void stub_renderer_13(UNUSED void *arg0) {
}

/* 254190 -> 2541A4 */
void stub_renderer_14(UNUSED s8 *arg0) {
}

/**
 * Initializes the pick buffer. This functions like the `pick` or `gselect`
 * functions from IRIS GL.
 * @param buf  pointer to an array of 16-bit values
 * @param len  maximum number of values to store
 */
void init_pick_buf(s16 *buf, s32 len) {
    buf[0] = 0;
    buf[1] = 0;
    sPickBufLen = len;
    sPickBuf = buf;
    sPickBufPosition = 0;
}

/**
 * Stores a 16-bit value into the pick buffer. This functions like the
 * `pushname` function from IRIS GL.
 */
void store_in_pickbuf(s16 data) {
    sPickBuf[sPickBufPosition++] = data;
}

/* 25421C -> 254250; orig name: func_801A5A4C
** Divides by 3, since in the final game, only thing stored
** in the pick buf is a tupple of three halves: (datasize, objtype, objnumber)
** (datasize is always 2) */
s32 get_cur_pickbuf_offset(UNUSED s16 *arg0) {
    return sPickBufPosition / 3;
}

/* 254250 -> 254264 */
void stub_renderer_15(UNUSED u32 arg0) {
}

/* 254264 -> 254278 */
void stub_renderer_16(UNUSED u32 arg0) {
}

/* 254278 -> 254288 */
void stub_renderer_17(void) {
}

/* 254288 -> 2542B0 */
void *Unknown801A5AB8(s32 texnum) {
    return sLoadedTextures[texnum];
}

/* 2542B0 -> 254328 */
void Unknown801A5AE0(s32 arg0) {
    D_801BB018 = arg0;
    if (D_801BB01C != D_801BB018) {
        branch_cur_dl_to_num(sTextureDisplayLists[arg0]);
        D_801BB01C = D_801BB018;
    }
}

/* 254328 -> 2543B8; orig name: func_801A5B58 */
void set_vtx_tc_buf(f32 tcS, f32 tcT) {
    sVtxCvrtTCBuf[0] = (s16)(tcS * 512.0f);
    sVtxCvrtTCBuf[1] = (s16)(tcT * 512.0f);
}

/* 2543B8 -> 2543F4 */
void add_debug_view(struct ObjView *view) {
    sDebugViews[sDebugViewsCount++] = view;
}

/* 2543F4 -> 254450; orig name: Unknown801A5C24 */
union ObjVarVal *cvrt_val_to_kb(union ObjVarVal *dst, union ObjVarVal src) {
    union ObjVarVal temp;

    temp.f = src.f / 1024.0; //? 1024.0f
    return (*dst = temp, dst);
}

/* 254450 -> 254560 */
void Unknown801A5C80(struct ObjGroup *parentGroup) {
    struct ObjLabel *label;      // 3c
    struct ObjGroup *debugGroup; // 38

    d_start_group("debugg");
    label = (struct ObjLabel *) d_makeobj(D_LABEL, 0);
    d_set_rel_pos(10.0f, 230.0f, 0.0f);
    d_set_parm_ptr(PARM_PTR_CHAR, gd_strdup("FT %2.2f"));
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTracked1FrameTime);
    label->unk30 = 3;
    d_end_group("debugg");

    debugGroup = (struct ObjGroup *) d_use_obj("debugg");
    make_view("debugview", (VIEW_2_COL_BUF | VIEW_ALLOC_ZBUF | VIEW_1_CYCLE | VIEW_DRAW), 2, 0, 0, 320,
              240, debugGroup);

    if (parentGroup != NULL) {
        addto_group(parentGroup, &debugGroup->header);
    }
}

/* 254560 -> 2547C8 */
void Unknown801A5D90(struct ObjGroup *arg0) {
    struct ObjLabel *mtLabel;  // 254
    struct ObjGroup *labelgrp; // 250
    struct ObjView *memview;   // 24c
    s32 trackerNum;                 // memtracker id and/or i
    s32 sp244;                 // label y position?
    s32 sp240;                 // done checking all memtrakcers
    s32 sp23C;                 // memtracker label made?
    char mtStatsFmt[0x100];    // 13c
    char groupId[0x100];       // 3c
    struct MemTracker *mt;     // 38

    sp240 = FALSE;
    trackerNum = -1;

    while (!sp240) {
        sprintf(groupId, "memg%d\n", trackerNum);
        d_start_group(AsDynName(groupId));
        sp244 = 20;
        sp23C = FALSE;

        for (;;) {
            trackerNum++;
            mt = get_memtracker_by_index(trackerNum);

            if (mt->name != NULL) {
                sprintf(mtStatsFmt, "%s  %%6.2fk", mt->name);
                mtLabel = (struct ObjLabel *) d_makeobj(D_LABEL, AsDynName(0));
                d_set_rel_pos(10.0f, sp244, 0.0f);
                d_set_parm_ptr(PARM_PTR_CHAR, gd_strdup(mtStatsFmt));
                d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &mt->total);
                mtLabel->unk30 = 3;
                d_add_valproc(cvrt_val_to_kb);
                sp23C = TRUE;
                sp244 += 14;
                if (sp244 > 200) {
                    break;
                }
            }

            if (trackerNum >= GD_NUM_MEM_TRACKERS) {
                sp240 = TRUE;
                break;
            }
        }

        d_end_group(AsDynName(groupId));
        labelgrp = (struct ObjGroup *) d_use_obj(AsDynName(groupId));

        if (sp23C) {
            memview = make_view("memview",
                                (VIEW_2_COL_BUF | VIEW_ALLOC_ZBUF | VIEW_UNK_2000 | VIEW_UNK_4000
                                 | VIEW_1_CYCLE | VIEW_DRAW),
                                2, 0, 10, 320, 200, labelgrp);
            memview->colour.r = 0.0f;
            memview->colour.g = 0.0f;
            memview->colour.b = 0.0f;
            addto_group(arg0, &labelgrp->header);
            memview->flags &= ~VIEW_UPDATE;
            add_debug_view(memview);
        }
    }
}

/* 2547C8 -> 254AC0 */
void Unknown801A5FF8(struct ObjGroup *arg0) {
    struct ObjView *menuview;      // 3c
    UNUSED struct ObjLabel *label; // 38
    struct ObjGroup *menugrp;      // 34
    UNUSED u8 filler[8];

    d_start_group("menug");
    sMenuGadgets[0] = d_makeobj(D_GADGET, "menu0");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(5.0f, 0.0f, 0.0f);
    d_set_scale(100.0f, 20.0f, 0.0f);
    d_set_type(6);
    d_set_colour_num(2);
    label = (struct ObjLabel *) d_makeobj(D_LABEL, AsDynName(0));
    d_set_rel_pos(5.0f, 18.0f, 0.0f);
    d_set_parm_ptr(PARM_PTR_CHAR, "ITEM 1");
    d_add_valptr("menu0", 0x40000, 0, (uintptr_t) NULL);

    sMenuGadgets[1] = d_makeobj(D_GADGET, "menu1");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(5.0f, 25.0f, 0.0f);
    d_set_scale(100.0f, 20.0f, 0.0f);
    d_set_type(6);
    d_set_colour_num(4);
    label = (struct ObjLabel *) d_makeobj(D_LABEL, AsDynName(0));
    d_set_rel_pos(5.0f, 18.0f, 0.0f);
    d_set_parm_ptr(PARM_PTR_CHAR, "ITEM 2");
    d_add_valptr("menu1", 0x40000, 0, (uintptr_t) NULL);

    sMenuGadgets[2] = d_makeobj(D_GADGET, "menu2");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(5.0f, 50.0f, 0.0f);
    d_set_scale(100.0f, 20.0f, 0.0f);
    d_set_type(6);
    d_set_colour_num(3);
    label = (struct ObjLabel *) d_makeobj(D_LABEL, AsDynName(0));
    d_set_rel_pos(5.0f, 18.0f, 0.0f);
    d_set_parm_ptr(PARM_PTR_CHAR, "ITEM 3");
    d_add_valptr("menu2", 0x40000, 0, (uintptr_t) NULL);
    sItemsInMenu = 3;
    d_end_group("menug");

    menugrp = (struct ObjGroup *) d_use_obj("menug");
    menuview = make_view(
        "menuview", (VIEW_2_COL_BUF | VIEW_ALLOC_ZBUF | VIEW_BORDERED | VIEW_UNK_2000 | VIEW_UNK_4000),
        2, 100, 20, 110, 150, menugrp);
    menuview->colour.r = 0.0f;
    menuview->colour.g = 0.0f;
    menuview->colour.b = 0.0f;
    addto_group(arg0, &menugrp->header);
    sMenuView = menuview;
}

/* 254AC0 -> 254DFC; orig name: PutSprite */
void gd_put_sprite(u16 *sprite, s32 x, s32 y, s32 wx, s32 wy) {
    s32 c; // 5c
    s32 r; // 58

    gSPDisplayList(next_gfx(), osVirtualToPhysical(gd_dl_sprite_start_tex_block));
    for (r = 0; r < wy; r += 32) {
        for (c = 0; c < wx; c += 32) {
             gDPLoadTextureBlock(next_gfx(), (r * 32) + sprite + c, G_IM_FMT_RGBA, G_IM_SIZ_16b, 32, 32, 0,
                G_TX_WRAP | G_TX_NOMIRROR, G_TX_WRAP | G_TX_NOMIRROR, G_TX_NOMASK, G_TX_NOMASK, G_TX_NOLOD, G_TX_NOLOD)
             gSPTextureRectangle(next_gfx(), x << 2, (y + r) << 2, (x + 32) << 2, (y + r + 32) << 2,
                G_TX_RENDERTILE, 0, 0, 1 << 10, 1 << 10);
        }
    }

    gDPPipeSync(next_gfx());
    gDPSetCycleType(next_gfx(), G_CYC_1CYCLE);
    gDPSetRenderMode(next_gfx(), G_RM_AA_ZB_OPA_INTER, G_RM_NOOP2);
    gSPTexture(next_gfx(), 0x8000, 0x8000, 0, G_TX_RENDERTILE, G_OFF);
}

/* 254DFC -> 254F94; orig name: proc_dyn_list */
void gd_setup_cursor(struct ObjGroup *parentgrp) {
    struct ObjView *mouseview; // 34
    struct ObjGroup *mousegrp; // 30
    UNUSED struct ObjNet *net; // 2c

    sHandShape = make_shape(0, "mouse");
    sHandShape->dlNums[0] = gd_startdisplist(7);
    gd_put_sprite((u16 *) gd_texture_hand_open, 100, 100, 32, 32);
    gd_enddlsplist_parent();
    sHandShape->dlNums[1] = gd_startdisplist(7);
    gd_put_sprite((u16 *) gd_texture_hand_open, 100, 100, 32, 32);
    gd_enddlsplist_parent();

    d_start_group("mouseg");
    net = (struct ObjNet *) d_makeobj(D_NET, AsDynName(0));
    d_set_init_pos(0.0f, 0.0f, 0.0f);
    d_set_type(3);
    d_set_shapeptrptr(&sHandShape);
    d_end_group("mouseg");

    mousegrp = (struct ObjGroup *) d_use_obj("mouseg");
    mouseview = make_view("mouseview",
                          (VIEW_2_COL_BUF | VIEW_ALLOC_ZBUF | VIEW_1_CYCLE | VIEW_MOVEMENT | VIEW_DRAW),
                          2, 0, 0, 32, 32, mousegrp);
    mouseview->flags &= ~VIEW_UPDATE;
    sHandView = mouseview;
    if (parentgrp != NULL) {
        addto_group(parentgrp, &mousegrp->header);
    }
}

/**
 * 254F94 -> 254FE4; orig name: Proc801A67C4
 * This prints all timers if the view was not updated for a frame
 **/
void view_proc_print_timers(struct ObjView *self) {
    if (self->flags & VIEW_WAS_UPDATED) {
        return;
    }

    print_all_timers();
}

/* 254FE4 -> 255600; not called; orig name: Unknown801A6814 */
void make_timer_gadgets(void) {
    struct ObjLabel *timerLabel;
    struct ObjGroup *timerg;
    UNUSED u8 filler[4];
    struct ObjView *timersview;
    struct ObjGadget *bar1;
    struct ObjGadget *bar2;
    struct ObjGadget *bar3;
    struct ObjGadget *bar4;
    struct ObjGadget *bar5;
    struct ObjGadget *bar6;
    struct GdTimer *timer;
    s32 i;
    char timerNameBuf[0x20];

    d_start_group("timerg");
    d_makeobj(D_GADGET, "bar1");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(20.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar1 = (struct ObjGadget *) d_use_obj("bar1");
    bar1->colourNum = COLOUR_WHITE;

    d_makeobj(D_GADGET, "bar2");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(70.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar2 = (struct ObjGadget *) d_use_obj("bar2");
    bar2->colourNum = COLOUR_PINK;

    d_makeobj(D_GADGET, "bar3");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(120.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar3 = (struct ObjGadget *) d_use_obj("bar3");
    bar3->colourNum = COLOUR_WHITE;

    d_makeobj(D_GADGET, "bar4");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(170.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar4 = (struct ObjGadget *) d_use_obj("bar4");
    bar4->colourNum = COLOUR_PINK;

    d_makeobj(D_GADGET, "bar5");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(220.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar5 = (struct ObjGadget *) d_use_obj("bar5");
    bar5->colourNum = COLOUR_WHITE;

    d_makeobj(D_GADGET, "bar6");
    d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
    d_set_world_pos(270.0f, 5.0f, 0.0f);
    d_set_scale(50.0f, 5.0f, 0.0f);
    d_set_type(4);
    d_set_parm_f(PARM_F_RANGE_MIN, 0);
    d_set_parm_f(PARM_F_RANGE_MAX, sTimeScaleFactor);
    d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &sTimeScaleFactor);
    bar6 = (struct ObjGadget *) d_use_obj("bar6");
    bar6->colourNum = COLOUR_PINK;

    for (i = 0; i < GD_NUM_TIMERS; i++) {
        sprintf(timerNameBuf, "tim%d\n", i);

        timer = get_timernum(i);

        d_makeobj(D_GADGET, timerNameBuf);
        d_set_obj_draw_flag(OBJ_IS_GRABBABLE);
        d_set_world_pos(20.0f, (f32)((i * 15) + 15), 0.0f);
        d_set_scale(50.0f, 14.0f, 0);
        d_set_type(4);
        d_set_parm_f(PARM_F_RANGE_MIN, 0.0f);
        d_set_parm_f(PARM_F_RANGE_MAX, 1.0f);
        d_add_valptr(NULL, 0, OBJ_VALUE_FLOAT, (uintptr_t) &timer->prevScaledTotal);
        sTimerGadgets[i] = (struct ObjGadget *) d_use_obj(timerNameBuf);
        sTimerGadgets[i]->colourNum = timer->gadgetColourNum;

        timerLabel = (struct ObjLabel *) d_makeobj(D_LABEL, AsDynName(0));
        d_set_rel_pos(5.0f, 14.0f, 0);
        d_set_parm_ptr(PARM_PTR_CHAR, (void *) timer->name);
        d_add_valptr(timerNameBuf, 0x40000, 0, (uintptr_t) NULL);
        timerLabel->unk30 = 3;
    }

    d_end_group("timerg");
    timerg = (struct ObjGroup *) d_use_obj("timerg");
    timersview = make_view(
        "timersview", (VIEW_2_COL_BUF | VIEW_ALLOC_ZBUF | VIEW_1_CYCLE | VIEW_MOVEMENT | VIEW_DRAW), 2,
        0, 10, 320, 270, timerg);
    timersview->colour.r = 0.0f;
    timersview->colour.g = 0.0f;
    timersview->colour.b = 0.0f;
    timersview->flags &= ~VIEW_UPDATE;
    timersview->proc = view_proc_print_timers;
    add_debug_view(timersview);

    return;
}

/* 255600 -> 255614 */
void stub_renderer_18(UNUSED u32 a0) {
}

/* 255614 -> 255628 */
void stub_renderer_19(UNUSED u32 a0) {
}

#ifndef NO_SEGMENTED_MEMORY
/**
 * Copies `size` bytes of data from ROM address `romAddr` to RAM address `vAddr`.
 */
static void gd_block_dma(u32 romAddr, void *vAddr, s32 size) {
    s32 blockSize;

    do {
        if ((blockSize = size) > 0x1000) {
            blockSize = 0x1000;
        }

        osPiStartDma(&sGdDMAReqMesg, OS_MESG_PRI_NORMAL, OS_READ, romAddr, vAddr, blockSize, &sGdDMAQueue);
        osRecvMesg(&sGdDMAQueue, &sGdDMACompleteMsg, OS_MESG_BLOCK);
        romAddr += blockSize;
        vAddr = (void *) ((uintptr_t) vAddr + blockSize);
        size -= 0x1000;
    } while (size > 0);
}

/**
 * Loads the specified DynList from ROM and processes it.
 */
struct GdObj *load_dynlist(struct DynList *dynlist) {
    u32 segSize;
    u8 *allocSegSpace;
    void *allocPtr;
    uintptr_t dynlistSegStart;
    uintptr_t dynlistSegEnd;
    s32 i;
    s32 tlbEntries;
    struct GdObj *loadedList;

    i = -1;

    // Make sure the dynlist exists
    while (sDynLists[++i].list != NULL) {
        if (sDynLists[i].list == dynlist) {
            break;
        }
    }
    if (sDynLists[i].list == NULL) {
        fatal_printf("load_dynlist() ptr not found in any banks");
    }

    switch (sDynLists[i].flag) {
        case STD_LIST_BANK:
            dynlistSegStart = (uintptr_t) _gd_dynlistsSegmentRomStart;
            dynlistSegEnd = (uintptr_t) _gd_dynlistsSegmentRomEnd;
            break;
        default:
            fatal_printf("load_dynlist() unkown bank");
    }

#define PAGE_SIZE 65536  // size of a 64K TLB page

    segSize = dynlistSegEnd - dynlistSegStart;
    allocSegSpace = gd_malloc_temp(segSize + PAGE_SIZE);

    if ((allocPtr = (void *) allocSegSpace) == NULL) {
        fatal_printf("Not enough DRAM for DATA segment \n");
    }

    allocSegSpace = (u8 *) (((uintptr_t) allocSegSpace + PAGE_SIZE) & 0xFFFF0000);

    // Copy the dynlist data from ROM
    gd_block_dma(dynlistSegStart, (void *) allocSegSpace, segSize);

    osUnmapTLBAll();

    tlbEntries = (segSize / PAGE_SIZE) / 2 + 1;
    if (tlbEntries >= 31) {
        fatal_printf("load_dynlist() too many TLBs");
    }

    // Map virtual address 0x04000000 to `allocSegSpace`
    for (i = 0; i < tlbEntries; i++) {
        osMapTLB(i, OS_PM_64K,
            (void *) (uintptr_t) (0x04000000 + (i * 2 * PAGE_SIZE)),  // virtual address to map
            GD_LOWER_24(((uintptr_t) allocSegSpace) + (i * 2 * PAGE_SIZE) + 0),  // even page address
            GD_LOWER_24(((uintptr_t) allocSegSpace) + (i * 2 * PAGE_SIZE) + PAGE_SIZE),  // odd page address
            -1);
    }

#undef PAGE_SIZE

    // process the dynlist
    loadedList = proc_dynlist(dynlist);

    gd_free(allocPtr);
    osUnmapTLBAll();

    return loadedList;
}
#else
struct GdObj *load_dynlist(struct DynList *dynlist) {
    return proc_dynlist(dynlist);
}
#endif

/**
 * Unused (not called)
 */
void stub_renderer_20(UNUSED u32 a0) {
}

/**
 * Unused (not called)
 */
void func_801A71CC(struct ObjNet *net) {
    s32 i; // spB4
    s32 j; // spB0
    f32 spAC;
    f32 spA8;
    struct GdBoundingBox bbox;
    UNUSED u8 filler1[4];
    struct ObjZone *sp88;
    register struct ListNode *link;  // s0 (84)
    s32 sp80;                     // linked planes contained in zone?
    s32 sp7C;                     // linked planes in net count?
    register struct ListNode *link1; // s1 (78)
    register struct ListNode *link2; // s2 (74)
    register struct ListNode *link3; // s3 (70)
    struct GdVec3f sp64;
    UNUSED u8 filler2[4];
    struct ObjPlane *plane; // 5c
    UNUSED u8 filler3[4];
    struct ObjZone *linkedZone; // 54
    UNUSED u8 filler4[4];
    struct ObjPlane *planeL2; // 4c
    UNUSED u8 filler5[4];
    struct ObjPlane *planeL3; // 44

    if (net->unk21C == NULL) {
        net->unk21C = make_group(0);
    }

    gd_print_bounding_box("making zones for net=", &net->boundingBox);

    sp64.x = (ABS(net->boundingBox.minX) + ABS(net->boundingBox.maxX)) / 16.0f;
    sp64.z = (ABS(net->boundingBox.minZ) + ABS(net->boundingBox.maxZ)) / 16.0f;

    spA8 = net->boundingBox.minZ + sp64.z / 2.0f;

    for (i = 0; i < 16; i++) {
        spAC = net->boundingBox.minX + sp64.x / 2.0f;

        for (j = 0; j < 16; j++) {
            bbox.minX = spAC - (sp64.x / 2.0f);
            bbox.minY = 0.0f;
            bbox.minZ = spA8 - (sp64.z / 2.0f);

            bbox.maxX = spAC + (sp64.x / 2.0f);
            bbox.maxY = 0.0f;
            bbox.maxZ = spA8 + (sp64.z / 2.0f);

            sp88 = make_zone(NULL, &bbox, NULL);
            addto_group(net->unk21C, &sp88->header);
            sp88->unk2C = make_group(0);

            spAC += sp64.x;
        }
        spA8 += sp64.z;
    }

    for (link = net->unk1CC->firstMember; link != NULL; link = link->next) {
        plane = (struct ObjPlane *) link->obj;
        plane->unk18 = FALSE;
    }

    i = 0; // acts as Zone N here... kinda
    for (link1 = net->unk21C->firstMember; link1 != NULL; link1 = link1->next) {
        linkedZone = (struct ObjZone *) link1->obj;
        sp88 = linkedZone;
        sp7C = 0;
        sp80 = 0;

        for (link2 = net->unk1CC->firstMember; link2 != NULL; link2 = link2->next) {
            planeL2 = (struct ObjPlane *) link2->obj;
            sp7C++;
            if (gd_plane_point_within(&planeL2->boundingBox, &sp88->boundingBox)) {
                planeL2->unk18 = TRUE;
                addto_group(sp88->unk2C, &planeL2->header);
                sp80++;
            }
        }

        if (sp80 == 0) {
            stub_objects_1(net->unk21C, &linkedZone->header); // stubbed fatal function?
        } else {
            gd_printf("%d/%d planes in zone %d\n", sp80, sp7C, i++);
        }
    }

    for (link3 = net->unk1CC->firstMember; link3 != NULL; link3 = link3->next) {
        planeL3 = (struct ObjPlane *) link3->obj;

        if (!planeL3->unk18) {
            gd_print_bounding_box("plane=", &planeL3->boundingBox);
            fatal_printf("plane not in any zones\n");
        }
    }
}

/* 255EB0 -> 255EC0 */
void stub_renderer_21(void) {
}
