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#ifndef GUARD_PALETTE_H
#define GUARD_PALETTE_H
#define gPaletteFade_selectedPalettes (gPaletteFade.multipurpose1) // normal and fast fade
#define gPaletteFade_blendCnt (gPaletteFade.multipurpose1) // hardware fade
#define gPaletteFade_delay (gPaletteFade.multipurpose2) // normal and hardware fade
#define gPaletteFade_submode (gPaletteFade.multipurpose2) // fast fade
#define FADE_COLOR_WHITE (RGB(31, 31, 31) | 0x8000)
enum
{
FAST_FADE_IN_FROM_WHITE,
FAST_FADE_OUT_TO_WHTIE,
FAST_FADE_IN_FROM_BLACK,
FAST_FADE_OUT_TO_BLACK,
};
struct PaletteFadeControl
{
/*0x00*/ u32 multipurpose1;
/*0x04*/ u8 delayCounter:6;
/*0x05*/ u16 y:5; // blend coefficient
/*0x05-06*/ u16 targetY:5; // target blend coefficient
/*0x07*/ u16 blendColor:15;
/*0x07*/ u16 active:1;
/*0x08*/ u16 multipurpose2:6;
/*0x08*/ u16 yDec:1; // whether blend coefficient is decreasing
/*0x08*/ u16 bufferTransferDisabled:1;
/*0x09*/ u16 mode:2;
/*0x09*/ u16 shouldResetBlendRegisters:1;
/*0x09*/ u16 hardwareFadeFinishing:1;
/*0x09-0a*/ u16 softwareFadeFinishingCounter:5;
/*0x0a*/ u16 softwareFadeFinishing:1;
/*0x0a*/ u16 objPaletteToggle:1;
/*0x0a*/ u8 deltaY:4; // rate of change of blend coefficient
};
extern struct PaletteFadeControl gPaletteFade;
extern u32 gPlttBufferTransferPending;
extern u8 gPaletteDecompressionBuffer[];
extern u16 gPlttBufferUnfaded[];
extern u16 gPlttBufferFaded[];
void LoadCompressedPalette(const void *, u16, u16);
void LoadPalette(const void *, u16, u16);
void FillPalette(u16, u16, u16);
void TransferPlttBuffer(void);
u8 UpdatePaletteFade(void);
void ResetPaletteFade(void);
void ReadPlttIntoBuffers(void);
bool8 BeginNormalPaletteFade(u32, s8, u8, u8, u16);
void unref_sub_8073D84(u8, u32 *);
void ResetPaletteStructByUid(u16);
void ResetPaletteStruct(u8);
void ResetPaletteFadeControl(void);
void unref_sub_8074168(u16);
void unref_sub_8074194(u16);
void InvertPlttBuffer(u32);
void TintPlttBuffer(u32, s8, s8, s8);
void UnfadePlttBuffer(u32);
void BeginFastPaletteFade(u8);
void BeginHardwarePaletteFade(u8, u8, u8, u8, u8);
void BlendPalettes(u32, u8, u16);
void BlendPalettesUnfaded(u32, u8, u16);
#endif // GUARD_PALETTE_H
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