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Add hack for Ruto's earrings (#1759)

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* Add hack for Ruto's earrings

* Add tag for the underlining issue for easy grepping

* typo
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Rozelette 2022-10-12 21:18:35 -05:00 committed by GitHub
parent 6e88a3706c
commit dd62d0882e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 0 deletions
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soh/src/overlays/actors/ovl_En_Ru2/z_en_ru2.c
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@ -820,6 +820,19 @@ void func_80AF3F20(EnRu2* this, GlobalContext* globalCtx) {
void EnRu2_Draw(Actor* thisx, GlobalContext* globalCtx) {
EnRu2* this = (EnRu2*)thisx;
// FAST3D: This is a hack for the issue of both TEXEL0 and TEXEL1 using the same texture with different settings.
// Ruto's earring uses both TEXEL0 and TEXEL1 to render. The issue is that it never loads anything into TEXEL1, so
// it reuses whatever happens to be there, which is the water temple brick texture. It just so happens that the
// earring texture loads into the same place in tmem as the brick texture, so when it comes to rendering, TEXEL1
// uses the earring texture with diffrent clamp settings, and it displays without noticeable error. However, both
// texel samplers are not intended to be used for the same texture with different settings, so this misuse confuses
// our texture cache, and we load the wrong settings for the earrings texture. This patch is a hack that replaces
// TEXEL1 with TEXEL0, which is most likely the original intention, and all is well.
Gfx* gfx = ResourceMgr_LoadGfxByName(gAdultRutoHeadDL);
Gfx patch = gsDPSetCombineLERP(TEXEL0, 0, PRIMITIVE, 0, TEXEL0, 0, ENVIRONMENT, 0, 0, 0, 0, COMBINED, TEXEL0, 0,
PRIM_LOD_FRAC, COMBINED);
gfx[0xA2] = patch;
if ((this->drawConfig < 0) || (this->drawConfig >= ARRAY_COUNT(sDrawFuncs)) ||
(sDrawFuncs[this->drawConfig] == 0)) {
// "Draw Mode is improper!"