mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-06-08 20:19:33 -04:00
Ryan Dwyer
141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
#include <ultra64.h>
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#include "constants.h"
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#include "game/room.h"
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#include "bss.h"
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#include "lib/mtx.h"
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#include "data.h"
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#include "types.h"
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u8 *var800a6660;
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s16 *var800a6664; // room numbers
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s16 *var800a6668;
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f32 *var800a666c;
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Mtxf *var800a6670;
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s32 var80082050 = 0;
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void roomSetLastForOffset(s32 room)
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{
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g_Vars.currentplayer->lastroomforoffset = room;
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}
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void room0f1668f0(s32 index, s32 roomnum)
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{
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g_Rooms[roomnum].unk10 = index;
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var800a6664[index] = roomnum;
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}
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void room0f16692c(s32 index, s32 roomnum)
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{
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g_Rooms[roomnum].unk10 = -1;
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var800a6664[index] = -1;
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}
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void room0f16696c(s32 index)
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{
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if (var800a6664[index] != -1) {
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room0f16692c(index, var800a6664[index]);
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}
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var800a6660[index] = 2;
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var800a6668[index] = -1;
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var800a666c[index] = 1;
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}
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s32 room0f1669fc(void)
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{
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s32 i;
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for (i = 0; i < var80082050; i++) {
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if (var800a6660[i] > 1 && var800a6668[i] == -1) {
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return i;
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}
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}
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return 0;
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}
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void room0f166a6c(Mtxf *mtx, s32 roomnum)
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{
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s32 stagenum = g_Vars.stagenum;
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mtx4LoadIdentity(mtx);
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mtx->m[0][0] = 1;
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mtx->m[1][1] = 1;
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mtx->m[2][2] = 1;
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// These are rooms that are always active, such as the moon in Defection.
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// This is probably making those rooms always drawn a certain distance away
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// relative to the camera, so the moon never gets bigger as you go closer.
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if (((stagenum == g_Stages[STAGEINDEX_INFILTRATION].id
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|| stagenum == g_Stages[STAGEINDEX_RESCUE].id
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|| stagenum == g_Stages[STAGEINDEX_ESCAPE].id
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|| stagenum == g_Stages[STAGEINDEX_MAIANSOS].id) && roomnum == 0x0f)
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|| ((stagenum == g_Stages[STAGEINDEX_SKEDARRUINS].id
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|| stagenum == g_Stages[STAGEINDEX_WAR].id) && roomnum == 0x02)
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|| ((stagenum == g_Stages[STAGEINDEX_DEFECTION].id
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|| stagenum == g_Stages[STAGEINDEX_EXTRACTION].id
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|| stagenum == g_Stages[STAGEINDEX_MBR].id) && roomnum == 0x01)
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|| (stagenum == g_Stages[STAGEINDEX_ATTACKSHIP].id && roomnum == 0x71)) {
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mtx->m[3][0] = g_BgRooms[roomnum].pos.x;
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mtx->m[3][1] = g_BgRooms[roomnum].pos.y;
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mtx->m[3][2] = g_BgRooms[roomnum].pos.z;
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} else {
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mtx->m[3][0] = g_BgRooms[roomnum].pos.x - g_Vars.currentplayer->globaldrawworldoffset.x;
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mtx->m[3][1] = g_BgRooms[roomnum].pos.y - g_Vars.currentplayer->globaldrawworldoffset.y;
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mtx->m[3][2] = g_BgRooms[roomnum].pos.z - g_Vars.currentplayer->globaldrawworldoffset.z;
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}
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}
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s32 room0f166c20(s32 roomnum)
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{
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s32 index = g_Rooms[roomnum].unk10;
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Mtxf mtx;
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if (index == -1
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|| g_Vars.currentplayer->lastroomforoffset != var800a6668[index]
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|| var800a666c[index] != var8005ef10[0]) {
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if (index != -1) {
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room0f16692c(index, roomnum);
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}
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index = room0f1669fc();
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room0f1668f0(index, roomnum);
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var800a6660[index] = 0;
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} else {
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var800a6660[index] = 0;
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return index;
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}
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var800a6668[index] = g_Vars.currentplayer->lastroomforoffset;
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var800a666c[index] = var8005ef10[0];
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room0f166a6c(&mtx, roomnum);
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mtx00016054(&mtx, &var800a6670[index]);
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return index;
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}
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Gfx *room0f166d7c(Gfx *gdl, s32 roomnum)
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{
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s32 index = room0f166c20(roomnum);
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gSPMatrix(gdl++, &var800a6670[index], G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
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return gdl;
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}
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struct coord *room0f166dd0(s32 room)
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{
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return &g_BgRooms[room].pos;
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}
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void room0f166df0(s32 room, struct coord *globaldrawworldoffset)
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{
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globaldrawworldoffset->x = g_BgRooms[room].pos.x;
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globaldrawworldoffset->y = g_BgRooms[room].pos.y;
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globaldrawworldoffset->z = g_BgRooms[room].pos.z;
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}
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