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Remove two unnecessary portals in Air Force One

This commit is contained in:
Ryan Dwyer 2023-05-17 23:56:14 +10:00
parent 739f9049f0
commit ca370adf92
1 changed files with 19 additions and 0 deletions
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19
src/game/bg.c
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@ -1358,6 +1358,20 @@ void bgReset(s32 stagenum)
}
}
if (g_Vars.stagenum == STAGE_AIRFORCEONE) {
// Remove two unnecessary portals that cause rooms to be rendered when they needn't be
s32 i;
s32 numportals = 0;
for (i = 0; g_BgPortals[i].verticesoffset != 0; i++) {
numportals++;
}
g_BgPortals[0x13] = g_BgPortals[numportals - 1]; // unlink rooms F and 13
g_BgPortals[0x15] = g_BgPortals[numportals - 2]; // unlink rooms 10 and 13
g_BgPortals[numportals - 2].verticesoffset = 0;
}
g_BgAlwaysRoom = -1;
if (stagenum == STAGE_INFILTRATION
@ -1457,6 +1471,11 @@ void bgBuildTables(s32 stagenum)
offset = numportals * sizeof(struct bgportal);
offset += sizeof(struct bgportal);
if (g_Vars.stagenum == STAGE_AIRFORCEONE) {
// Compensate for the two removed portals in bgReset
offset += sizeof(struct bgportal) * 2;
}
// Because each group of vertices is variable length, the portals can't
// be iterated in order and have their offset calculated. The vertice
// data has to be iterated in storage order, then iterate all portals to