107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
#include "palette.h"
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#include "color.h"
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#include "core.h"
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#include "cycle.h"
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#include "debug.h"
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#include "game_sound.h"
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#include <string.h>
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// 0x6639D0
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unsigned char gPalette[256 * 3];
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// 0x663CD0
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unsigned char gPaletteWhite[256 * 3];
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// 0x663FD0
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unsigned char gPaletteBlack[256 * 3];
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// 0x6642D0
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int gPaletteFadeSteps;
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// 0x493A00
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void paletteInit()
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{
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memset(gPaletteBlack, 0, 256 * 3);
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memset(gPaletteWhite, 63, 256 * 3);
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memcpy(gPalette, _cmap, 256 * 3);
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unsigned int tick = _get_time();
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if (backgroundSoundIsEnabled() || speechIsEnabled()) {
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colorPaletteSetTransitionCallback(soundContinueAll);
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}
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colorPaletteFadeBetween(gPalette, gPalette, 60);
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colorPaletteSetTransitionCallback(NULL);
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unsigned int diff = getTicksSince(tick);
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// NOTE: Modern CPUs are super fast, so it's possible that less than 10ms
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// (the resolution of underlying GetTicks) is needed to fade between two
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// palettes, which leads to zero diff, which in turn leads to unpredictable
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// number of fade steps. To fix that the fallback value is used (46). This
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// value is commonly seen when running the game in 1 core VM.
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if (diff == 0) {
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diff = 46;
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}
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gPaletteFadeSteps = (int)(60.0 / (diff * (1.0 / 700.0)));
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debugPrint("\nFade time is %u\nFade steps are %d\n", diff, gPaletteFadeSteps);
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}
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// NOTE: Collapsed.
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//
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// 0x493AD0
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void _palette_reset_()
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{
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}
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// NOTE: Uncollapsed 0x493AD0.
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void paletteReset()
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{
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_palette_reset_();
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}
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// NOTE: Uncollapsed 0x493AD0.
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void paletteExit()
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{
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_palette_reset_();
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}
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// 0x493AD4
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void paletteFadeTo(unsigned char* palette)
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{
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bool colorCycleWasEnabled = colorCycleEnabled();
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colorCycleDisable();
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if (backgroundSoundIsEnabled() || speechIsEnabled()) {
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colorPaletteSetTransitionCallback(soundContinueAll);
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}
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colorPaletteFadeBetween(gPalette, palette, gPaletteFadeSteps);
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colorPaletteSetTransitionCallback(NULL);
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memcpy(gPalette, palette, 768);
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if (colorCycleWasEnabled) {
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colorCycleEnable();
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}
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}
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// 0x493B48
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void paletteSetEntries(unsigned char* palette)
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{
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memcpy(gPalette, palette, sizeof(gPalette));
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_setSystemPalette(palette);
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}
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// 0x493B78
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void paletteSetEntriesInRange(unsigned char* palette, int start, int end)
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{
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memcpy(gPalette + 3 * start, palette, 3 * (end - start + 1));
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_setSystemPaletteEntries(palette, start, end);
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}
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