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Merge branch 'lighting' into lighting-expanded-id

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This commit is contained in:
Ariel A 2025-01-29 23:07:02 -05:00
commit f993c904e8
2 changed files with 31 additions and 12 deletions
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41
src/palette.c
View File

@ -2,8 +2,10 @@
#include "palette.h"
#include "util.h"
#include "decompress.h"
#include "field_weather.h"
#include "gpu_regs.h"
#include "task.h"
#include "constants/field_weather.h"
#include "constants/rgb.h"
enum
@ -967,25 +969,41 @@ static void UpdateBlendRegisters(void)
{
SetGpuReg(REG_OFFSET_BLDCNT, (u16)gPaletteFade_blendCnt);
SetGpuReg(REG_OFFSET_BLDY, gPaletteFade.y);
// If fade-out, also adjust BLDALPHA and DISPCNT
if (!gPaletteFade.yDec /*&& gPaletteFade.mode == HARDWARE_FADE*/) {
// if TGT2 enabled, also adjust BLDALPHA and DISPCNT
if (((u16)gPaletteFade_blendCnt) & BLDCNT_TGT2_ALL) {
u16 bldAlpha = GetGpuReg(REG_OFFSET_BLDALPHA);
u8 tgt1 = BLDALPHA_TGT1(bldAlpha);
u8 tgt2 = BLDALPHA_TGT2(bldAlpha);
u8 bldFade;
u8 mode = (gPaletteFade_blendCnt & BLDCNT_EFFECT_EFF_MASK) == BLDCNT_EFFECT_LIGHTEN ? FADE_FROM_WHITE : FADE_FROM_BLACK;
if (!gPaletteFade.yDec)
mode++;
switch (gPaletteFade_blendCnt & BLDCNT_EFFECT_EFF_MASK)
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_FORCED_BLANK);
switch (mode)
{
// FADE_TO_BLACK
case BLDCNT_EFFECT_DARKEN:
bldFade = BLDALPHA_TGT1(max(0, 16 - gPaletteFade.y));
case FADE_FROM_BLACK:
// increment each target until reaching weather's values
SetGpuReg(
REG_OFFSET_BLDALPHA,
BLDALPHA_BLEND(min(tgt1, bldFade), min(tgt2, bldFade))
BLDALPHA_BLEND(
min(++tgt1, gWeatherPtr->currBlendEVA),
min(++tgt2, gWeatherPtr->currBlendEVB)
)
);
break;
// FADE_TO_WHITE
case BLDCNT_EFFECT_LIGHTEN:
case FADE_TO_BLACK:
bldAlpha = BLDALPHA_TGT1(max(0, 16 - gPaletteFade.y));
SetGpuReg(
REG_OFFSET_BLDALPHA,
BLDALPHA_BLEND(min(tgt1, bldAlpha), min(tgt2, bldAlpha))
);
break;
// Not handled; blend sprites will pop in,
// but the effect coming from white looks okay
// case FADE_FROM_WHITE:
// break;
case FADE_TO_WHITE:
SetGpuReg(
REG_OFFSET_BLDALPHA,
BLDALPHA_BLEND(min(++tgt1, 31), min(++tgt2, 31))
@ -996,8 +1014,7 @@ static void UpdateBlendRegisters(void)
SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_FORCED_BLANK);
break;
}
} else
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_FORCED_BLANK);
}
if (gPaletteFade.hardwareFadeFinishing)
{

2
src/scrcmd.c
View File

@ -663,6 +663,8 @@ bool8 ScrCmd_fadescreenswapbuffers(struct ScriptContext *ctx)
switch (mode)
{
case FADE_FROM_BLACK:
SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(0, 0));
break;
case FADE_FROM_WHITE:
// Restore last weather blend before fading in,
// since BLDALPHA was modified by fade-out