505 lines
17 KiB
C
Executable File
505 lines
17 KiB
C
Executable File
#include "global.h"
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#include "palette.h"
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#include "palette_util.h"
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#include "util.h"
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// "RouletteFlash" is more accurately a general flashing/fading util
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// this file handles fading the palettes for the color/icon selections on the Roulette wheel
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// but it also handles the "pulse blend" effect of Mirage Tower
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void RouletteFlash_Reset(struct RouletteFlashUtil *flash)
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{
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flash->enabled = 0;
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flash->flags = 0;
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memset(&flash->palettes, 0, sizeof(flash->palettes));
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}
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u8 RouletteFlash_Add(struct RouletteFlashUtil *flash, u8 id, const struct RouletteFlashSettings *settings)
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{
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if (id >= ARRAY_COUNT(flash->palettes) || flash->palettes[id].available)
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return 0xFF;
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flash->palettes[id].settings.color = settings->color;
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flash->palettes[id].settings.paletteOffset = settings->paletteOffset;
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flash->palettes[id].settings.numColors = settings->numColors;
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flash->palettes[id].settings.delay = settings->delay;
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flash->palettes[id].settings.unk6 = settings->unk6;
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flash->palettes[id].settings.numFadeCycles = settings->numFadeCycles;
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flash->palettes[id].settings.unk7_5 = settings->unk7_5;
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flash->palettes[id].settings.colorDeltaDir = settings->colorDeltaDir;
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flash->palettes[id].state = 0;
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flash->palettes[id].available = TRUE;
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flash->palettes[id].fadeCycleCounter = 0;
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flash->palettes[id].delayCounter = 0;
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if (flash->palettes[id].settings.colorDeltaDir < 0)
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flash->palettes[id].colorDelta = -1;
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else
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flash->palettes[id].colorDelta = 1;
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return id;
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}
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// Unused
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static u8 RouletteFlash_Remove(struct RouletteFlashUtil *flash, u8 id)
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{
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if (id >= ARRAY_COUNT(flash->palettes))
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return 0xFF;
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if (!flash->palettes[id].available)
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return 0xFF;
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memset(&flash->palettes[id], 0, sizeof(flash->palettes[id]));
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return id;
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}
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static u8 RouletteFlash_FadePalette(struct RouletteFlashPalette *pal)
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{
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u8 i;
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u8 returnval;
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for (i = 0; i < pal->settings.numColors; i++)
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{
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struct PlttData *faded = (struct PlttData *)&gPlttBufferFaded[pal->settings.paletteOffset + i];
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struct PlttData *unfaded = (struct PlttData *)&gPlttBufferUnfaded[pal->settings.paletteOffset + i];
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switch (pal->state)
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{
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case 1:
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// Fade color
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if (faded->r + pal->colorDelta >= 0 && faded->r + pal->colorDelta < 32)
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faded->r += pal->colorDelta;
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if (faded->g + pal->colorDelta >= 0 && faded->g + pal->colorDelta < 32)
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faded->g += pal->colorDelta;
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if (faded->b + pal->colorDelta >= 0 && faded->b + pal->colorDelta < 32)
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faded->b += pal->colorDelta;
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break;
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case 2:
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// Fade back to original color
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if (pal->colorDelta < 0)
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{
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if (faded->r + pal->colorDelta >= unfaded->r)
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faded->r += pal->colorDelta;
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if (faded->g + pal->colorDelta >= unfaded->g)
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faded->g += pal->colorDelta;
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if (faded->b + pal->colorDelta >= unfaded->b)
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faded->b += pal->colorDelta;
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}
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else
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{
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if (faded->r + pal->colorDelta <= unfaded->r)
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faded->r += pal->colorDelta;
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if (faded->g + pal->colorDelta <= unfaded->g)
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faded->g += pal->colorDelta;
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if (faded->b + pal->colorDelta <= unfaded->b)
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faded->b += pal->colorDelta;
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}
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break;
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}
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}
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if ((u32)pal->fadeCycleCounter++ != pal->settings.numFadeCycles)
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{
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returnval = 0;
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}
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else
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{
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pal->fadeCycleCounter = 0;
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pal->colorDelta *= -1;
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if (pal->state == 1)
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pal->state++;
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else
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pal->state--;
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returnval = 1;
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}
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return returnval;
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}
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static u8 RouletteFlash_FlashPalette(struct RouletteFlashPalette *pal)
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{
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u8 i = 0;
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switch (pal->state)
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{
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case 1:
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// Flash to color
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for (; i < pal->settings.numColors; i++)
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gPlttBufferFaded[pal->settings.paletteOffset + i] = pal->settings.color;
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pal->state++;
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break;
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case 2:
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// Restore to original color
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for (; i < pal->settings.numColors; i++)
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gPlttBufferFaded[pal->settings.paletteOffset + i] = gPlttBufferUnfaded[pal->settings.paletteOffset + i];
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pal->state--;
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break;
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}
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return 1;
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}
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void RouletteFlash_Run(struct RouletteFlashUtil *flash)
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{
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u8 i = 0;
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if (flash->enabled)
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{
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for (i = 0; i < ARRAY_COUNT(flash->palettes); i++)
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{
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if ((flash->flags >> i) & 1)
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{
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if (--flash->palettes[i].delayCounter == (u8)-1)
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{
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if (flash->palettes[i].settings.color & FLASHUTIL_USE_EXISTING_COLOR)
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RouletteFlash_FadePalette(&flash->palettes[i]);
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else
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RouletteFlash_FlashPalette(&flash->palettes[i]);
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flash->palettes[i].delayCounter = flash->palettes[i].settings.delay;
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}
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}
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}
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}
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}
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void RouletteFlash_Enable(struct RouletteFlashUtil *flash, u16 flags)
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{
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u8 i = 0;
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flash->enabled++;
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for (i = 0; i < ARRAY_COUNT(flash->palettes); i++)
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{
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if ((flags >> i) & 1)
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{
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if (flash->palettes[i].available)
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{
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flash->flags |= 1 << i;
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flash->palettes[i].state = 1;
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}
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}
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}
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}
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void RouletteFlash_Stop(struct RouletteFlashUtil *flash, u16 flags)
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{
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u8 i;
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for (i = 0; i < ARRAY_COUNT(flash->palettes); i++)
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{
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if ((flash->flags >> i) & 1)
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{
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if (flash->palettes[i].available)
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{
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if ((flags >> i) & 1)
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{
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u32 offset = flash->palettes[i].settings.paletteOffset;
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u16 *faded = &gPlttBufferFaded[offset];
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u16 *unfaded = &gPlttBufferUnfaded[offset];
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memcpy(faded, unfaded, flash->palettes[i].settings.numColors * 2);
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flash->palettes[i].state = 0;
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flash->palettes[i].fadeCycleCounter = 0;
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flash->palettes[i].delayCounter = 0;
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if (flash->palettes[i].settings.colorDeltaDir < 0)
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flash->palettes[i].colorDelta = -1;
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else
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flash->palettes[i].colorDelta = 1;
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}
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}
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}
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}
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if (flags == 0xFFFF)
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{
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// Stopped all
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flash->enabled = 0;
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flash->flags = 0;
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}
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else
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{
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flash->flags &= ~flags;
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}
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}
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void InitPulseBlend(struct PulseBlend *pulseBlend)
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{
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u8 i = 0;
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pulseBlend->usedPulseBlendPalettes = 0;
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memset(&pulseBlend->pulseBlendPalettes, 0, sizeof(pulseBlend->pulseBlendPalettes));
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for (; i < 16; i++)
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pulseBlend->pulseBlendPalettes[i].paletteSelector = i;
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}
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int InitPulseBlendPaletteSettings(struct PulseBlend *pulseBlend, const struct PulseBlendSettings *settings)
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{
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u8 i = 0;
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struct PulseBlendPalette *pulseBlendPalette = NULL;
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if (!pulseBlend->pulseBlendPalettes[0].inUse)
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{
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pulseBlendPalette = &pulseBlend->pulseBlendPalettes[0];
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}
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else
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{
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while (++i < 16)
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{
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if (!pulseBlend->pulseBlendPalettes[i].inUse)
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{
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pulseBlendPalette = &pulseBlend->pulseBlendPalettes[i];
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break;
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}
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}
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}
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if (pulseBlendPalette == NULL)
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return 0xFF;
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pulseBlendPalette->blendCoeff = 0;
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pulseBlendPalette->fadeDirection = 0;
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pulseBlendPalette->available = 1;
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pulseBlendPalette->inUse = 1;
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pulseBlendPalette->delayCounter = 0;
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pulseBlendPalette->fadeCycleCounter = 0;
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memcpy(&pulseBlendPalette->pulseBlendSettings, settings, sizeof(*settings));
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return i;
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}
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static void ClearPulseBlendPalettesSettings(struct PulseBlendPalette *pulseBlendPalette)
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{
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u16 i;
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if (!pulseBlendPalette->available && pulseBlendPalette->pulseBlendSettings.restorePaletteOnUnload)
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{
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for (i = pulseBlendPalette->pulseBlendSettings.paletteOffset; i < pulseBlendPalette->pulseBlendSettings.paletteOffset + pulseBlendPalette->pulseBlendSettings.numColors; i++)
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gPlttBufferFaded[i] = gPlttBufferUnfaded[i];
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}
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memset(&pulseBlendPalette->pulseBlendSettings, 0, sizeof(pulseBlendPalette->pulseBlendSettings));
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pulseBlendPalette->blendCoeff = 0;
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pulseBlendPalette->fadeDirection = 0;
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pulseBlendPalette->unk1_5 = 0;
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pulseBlendPalette->available = 1;
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pulseBlendPalette->inUse = 0;
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pulseBlendPalette->fadeCycleCounter = 0;
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pulseBlendPalette->delayCounter = 0;
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}
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void UnloadUsedPulseBlendPalettes(struct PulseBlend *pulseBlend, u16 pulseBlendPaletteSelector, u8 multiSelection)
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{
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u16 i = 0;
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if (!multiSelection)
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{
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ClearPulseBlendPalettesSettings(&pulseBlend->pulseBlendPalettes[pulseBlendPaletteSelector & 0xF]);
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}
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else
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{
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for (i = 0; i < 16; i++)
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{
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if ((pulseBlendPaletteSelector & 1) && pulseBlend->pulseBlendPalettes[i].inUse)
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ClearPulseBlendPalettesSettings(&pulseBlend->pulseBlendPalettes[i]);
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pulseBlendPaletteSelector >>= 1;
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}
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}
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}
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void MarkUsedPulseBlendPalettes(struct PulseBlend *pulseBlend, u16 pulseBlendPaletteSelector, u8 multiSelection)
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{
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u8 i = 0;
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if (!multiSelection)
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{
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i = pulseBlendPaletteSelector & 0xF;
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pulseBlend->pulseBlendPalettes[i].available = 0;
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pulseBlend->usedPulseBlendPalettes |= 1 << i;
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}
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else
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{
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for (i = 0; i < 16; i++)
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{
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if (!(pulseBlendPaletteSelector & 1) || !pulseBlend->pulseBlendPalettes[i].inUse || !pulseBlend->pulseBlendPalettes[i].available)
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{
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pulseBlendPaletteSelector <<= 1;
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}
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else
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{
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pulseBlend->pulseBlendPalettes[i].available = 0;
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pulseBlend->usedPulseBlendPalettes |= 1 << i;
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}
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}
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}
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}
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void UnmarkUsedPulseBlendPalettes(struct PulseBlend *pulseBlend, u16 pulseBlendPaletteSelector, u8 multiSelection)
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{
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u16 i;
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struct PulseBlendPalette *pulseBlendPalette;
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u8 j = 0;
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if (!multiSelection)
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{
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pulseBlendPalette = &pulseBlend->pulseBlendPalettes[pulseBlendPaletteSelector & 0xF];
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if (!pulseBlendPalette->available && pulseBlendPalette->inUse)
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{
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if (pulseBlendPalette->pulseBlendSettings.restorePaletteOnUnload)
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{
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for (i = pulseBlendPalette->pulseBlendSettings.paletteOffset; i < pulseBlendPalette->pulseBlendSettings.paletteOffset + pulseBlendPalette->pulseBlendSettings.numColors; i++)
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gPlttBufferFaded[i] = gPlttBufferUnfaded[i];
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}
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pulseBlendPalette->available = 1;
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pulseBlend->usedPulseBlendPalettes &= ~(1 << j);
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}
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}
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else
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{
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for (j = 0; j < 16; j++)
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{
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pulseBlendPalette = &pulseBlend->pulseBlendPalettes[j];
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if (!(pulseBlendPaletteSelector & 1) || pulseBlendPalette->available || !pulseBlendPalette->inUse)
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{
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pulseBlendPaletteSelector <<= 1;
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}
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else
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{
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if (pulseBlendPalette->pulseBlendSettings.restorePaletteOnUnload)
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{
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for (i = pulseBlendPalette->pulseBlendSettings.paletteOffset; i < pulseBlendPalette->pulseBlendSettings.paletteOffset + pulseBlendPalette->pulseBlendSettings.numColors; i++)
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gPlttBufferFaded[i] = gPlttBufferUnfaded[i];
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}
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pulseBlendPalette->available = 1;
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pulseBlend->usedPulseBlendPalettes &= ~(1 << j);
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}
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}
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}
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}
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void UpdatePulseBlend(struct PulseBlend *pulseBlend)
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{
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struct PulseBlendPalette *pulseBlendPalette;
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u8 i = 0;
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if (pulseBlend->usedPulseBlendPalettes)
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{
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for (i = 0; i < 16; i++)
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{
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pulseBlendPalette = &pulseBlend->pulseBlendPalettes[i];
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if ((!pulseBlendPalette->available && pulseBlendPalette->inUse) && (!gPaletteFade.active || !pulseBlendPalette->pulseBlendSettings.unk7_7))
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{
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if (--pulseBlendPalette->delayCounter == 0xFF)
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{
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pulseBlendPalette->delayCounter = pulseBlendPalette->pulseBlendSettings.delay;
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BlendPalette(pulseBlendPalette->pulseBlendSettings.paletteOffset, pulseBlendPalette->pulseBlendSettings.numColors, pulseBlendPalette->blendCoeff, pulseBlendPalette->pulseBlendSettings.blendColor);
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switch (pulseBlendPalette->pulseBlendSettings.fadeType)
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{
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case 0: // Fade all the way to the max blend amount, then wrap around
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// BUG: This comparison will never be true for maxBlendCoeff values that are >= 8. This is because
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// maxBlendCoeff is a signed 4-bit field, but blendCoeff is an unsigned 4-bit field. This code is never
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// reached, anyway, so the bug is not observable in vanilla gameplay.
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if (pulseBlendPalette->blendCoeff++ == pulseBlendPalette->pulseBlendSettings.maxBlendCoeff)
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{
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pulseBlendPalette->fadeCycleCounter++;
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pulseBlendPalette->blendCoeff = 0;
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}
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break;
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case 1: // Fade in and out
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if (pulseBlendPalette->fadeDirection)
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{
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if (--pulseBlendPalette->blendCoeff == 0)
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{
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pulseBlendPalette->fadeCycleCounter++;
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pulseBlendPalette->fadeDirection ^= 1;
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}
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}
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else
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{
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u8 max = (pulseBlendPalette->pulseBlendSettings.maxBlendCoeff - 1) & 0xF;
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if (pulseBlendPalette->blendCoeff++ == max)
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{
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pulseBlendPalette->fadeCycleCounter++;
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pulseBlendPalette->fadeDirection ^= 1;
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}
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}
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break;
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case (MODERN ? -2 : 2): // Flip back and forth
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// This code is never reached in vanilla
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if (pulseBlendPalette->fadeDirection)
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pulseBlendPalette->blendCoeff = 0;
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else
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pulseBlendPalette->blendCoeff = pulseBlendPalette->pulseBlendSettings.maxBlendCoeff & 0xF;
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pulseBlendPalette->fadeDirection ^= 1;
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pulseBlendPalette->fadeCycleCounter++;
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break;
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}
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if (pulseBlendPalette->pulseBlendSettings.numFadeCycles != 0xFF
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&& pulseBlendPalette->fadeCycleCounter == pulseBlendPalette->pulseBlendSettings.numFadeCycles)
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UnmarkUsedPulseBlendPalettes(pulseBlend, pulseBlendPalette->paletteSelector, FALSE);
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}
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}
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}
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}
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}
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// Below used for the Roulette grid
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void FillTilemapRect(u16 *dest, u16 value, u8 left, u8 top, u8 width, u8 height)
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{
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u16 *_dest;
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u8 i;
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u8 j;
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i = 0;
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dest = &dest[top * 32 + left];
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for (; i < height; i++)
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{
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_dest = dest + i * 32;
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for (j = 0; j < width; j++)
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*_dest++ = value;
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}
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}
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void SetTilemapRect(u16 *dest, u16 *src, u8 left, u8 top, u8 width, u8 height)
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{
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u16 *_dest;
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u16 *_src = src;
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u8 i;
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u8 j;
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i = 0;
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dest = &dest[top * 32 + left];
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for (; i < height; i++)
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{
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_dest = dest + i * 32;
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for (j = 0; j < width; j++)
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*_dest++ = *_src++;
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}
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}
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static void FillTilemapRect_Unused(void *dest, u16 value, u8 left, u8 top, u8 width, u8 height)
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{
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u8 i, j;
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u8 x, y;
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for (i = 0, y = top; i < height; i++)
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{
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for (x = left, j = 0; j < width; j++)
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{
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*(u16 *)((dest) + (y * 64 + x * 2)) = value;
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x = (x + 1) % 32;
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}
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y = (y + 1) % 32;
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}
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}
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static void SetTilemapRect_Unused(void *dest, const u16 *src, u8 left, u8 top, u8 width, u8 height)
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{
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u8 i, j;
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u8 x, y;
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const u16 *_src;
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for (i = 0, _src = src, y = top; i < height; i++)
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{
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for (x = left, j = 0; j < width; j++)
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{
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*(u16 *)((dest) + (y * 64 + x * 2)) = *(_src++);
|
|
x = (x + 1) % 32;
|
|
}
|
|
y = (y + 1) % 32;
|
|
}
|
|
}
|