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Link DolphinCColor.cpp, thanks encounter and Ninji

This commit is contained in:
Phillip Stephens 2022-08-13 14:43:45 -07:00
parent fb3a2950f9
commit 4999c1ded5
2 changed files with 21 additions and 9 deletions
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2
obj_files.mk
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@ -611,7 +611,7 @@ KYOTO :=\
$(BUILD_DIR)/asm/Kyoto/Animation/CAdditiveAnimPlayback.o\
$(BUILD_DIR)/asm/Kyoto/Particles/CParticleElectricDataFactory.o\
$(BUILD_DIR)/asm/Kyoto/Particles/CParticleElectric.o\
$(BUILD_DIR)/asm/Kyoto/Graphics/DolphinCColor.o\
$(BUILD_DIR)/src/Kyoto/Graphics/DolphinCColor.o\
$(BUILD_DIR)/asm/Kyoto/Audio/CDSPStreamManager.o\
$(BUILD_DIR)/asm/Kyoto/CDependencyGroup.o\
$(BUILD_DIR)/asm/Kyoto/Audio/CStreamAudioManager.o\

28
src/Kyoto/Graphics/DolphinCColor.cpp
View File

@ -46,14 +46,26 @@ CColor CColor::Lerp(const CColor& a, const CColor& b, float t) {
/* non-matching https://decomp.me/scratch/WGIlL */
u32 CColor::Lerp(u32 a, u32 b, float t) {
u32 t256 = t * 256.f;
u32 uVar3 = a & 0x00FF00FF;
u32 uVar4 = b & 0x00FF00FF;
u32 uVar1 = (a >> 8) & 0x00FF00FF;
u32 uVar2 = (b >> 8) & 0x00FF00FF;
u32 new_var = (t256 * (uVar2 - uVar1)) >> 8;
u32 new_var2 = (t256 * (uVar4 - uVar3)) >> 8;
return ((new_var2 + uVar3) & 0x00FF00FF) | (((new_var + uVar1) * 256) & 0xFF00FF00);
u32 alpha = t * 256.f;
u32 dstrb = a & 0xff00ff;
u32 dstag = a >> 8 & 0xff00ff;
u32 srcrb = b & 0xff00ff;
u32 srcag = b >> 8 & 0xff00ff;
u32 drb = srcrb - dstrb;
u32 dag = srcag - dstag;
drb *= alpha;
dag *= alpha;
drb >>= 8;
dag >>= 8;
const u32 rb = (drb + dstrb) & 0x00ff00ff;
const u32 ag = (dag + dstag) << 8 & 0xff00ff00;
return rb | ag;
}
CColor CColor::Modulate(const CColor& a, const CColor& b) {