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Try ApplySpecialBackgroundEffectColorOnBG

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This commit is contained in:
y.demaisonregne 2023-05-30 00:31:59 +02:00
parent ba2a61acfa
commit 6eee7774cd
1 changed files with 72 additions and 16 deletions
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88
src/color_effects.c
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@ -355,13 +355,15 @@ void ApplySmoothMonochromeToPalette(u16* srcBase, u16* srcMonochrome, u16* dst,
void ApplySmoothPaletteTransition(u16* srcStart, u16* srcEnd, u16* dst, u8 stage)
{
// https://decomp.me/scratch/oUVxI
i32 i;
i32 rEnd;
i32 gEnd;
i32 bEnd;
u8 r;
u8 g;
u8 b;
i32 endR;
i32 endG;
i32 endB;
u8 startR;
u8 startG;
u8 startB;
i32 color;
if (stage == 0)
@ -379,24 +381,27 @@ void ApplySmoothPaletteTransition(u16* srcStart, u16* srcEnd, u16* dst, u8 stage
for (i = 0; i <= 0x1F; )
{
color = *srcEnd;
rEnd = RED(color);
endR = RED(color);
color >>= 5;
gEnd = color & COLOR_MASK;
endG = RED(color);
color >>= 5;
bEnd = color & COLOR_MASK;
endB = RED(color);
color = *srcStart;
r = RED(color);
startR = RED(color);
color >>= 5;
g = color & COLOR_MASK;
startG = RED(color);
color >>= 5;
b = color & COLOR_MASK;
startB = RED(color);
r += (rEnd - r) * stage / 32;
g += (gEnd - g) * stage / 32;
b += (bEnd - b) * stage / 32;
color = (endR - startR) * stage / (COLOR_MASK + 1);
startR += color;
color = (endG - startG) * stage / (COLOR_MASK + 1);
startG += color;
color = (endB - startB) * stage / (COLOR_MASK + 1);
startB += color;
*dst = COLOR(r, g, b);
*dst = COLOR(startR, startG, startB);
i++;
srcStart++;
@ -407,7 +412,58 @@ void ApplySmoothPaletteTransition(u16* srcStart, u16* srcEnd, u16* dst, u8 stage
void ApplySpecialBackgroundEffectColorOnBG(u16 mask, u16 color, u8 stage)
{
// https://decomp.me/scratch/PWhDo
i32 i;
i32 j;
i32 colorD;
u8 r;
u8 g;
u8 b;
u8 baseR;
u8 baseG;
u8 baseB;
u16* pal;
if (stage == 0)
{
DMATransfer(3, EWRAM_BASE + 0x35800, PALRAM_BASE, 0x1E0, 16);
DMATransfer(3, EWRAM_BASE + 0x35800, EWRAM_BASE + 0x35400, 0x1E0, 16);
return;
}
DMATransfer(3, EWRAM_BASE + 0x35800, EWRAM_BASE + 0x35000, 0x1E0, 16);
baseR = RED(color);
baseG = GREEN(color);
baseB = BLUE(color);
for (i = 0; i < 16; i++)
{
if (!((mask >> i) & 1))
continue;
for (j = i * 16; j < i * 16 + 16; j++)
{
pal = &((u16*)(EWRAM_BASE + 0x35000))[j];
colorD = *pal;
r = RED(colorD);
g = GREEN(colorD);
b = BLUE(colorD);
r += (baseR - r) * stage / 16;
g += (baseG - g) * stage / 16;
b += (baseB - b) * stage / 16;
*pal = COLOR(r, g, b);
}
}
gColorFading.status |= COLOR_FADING_STATUS_ON_BG;
}
void ApplySpecialBackgroundEffectColorOnOBJ(u16 mask, u16 color, u8 stage)