mirror of https://github.com/pret/pokeemerald.git
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
#ifndef GUARD_PALETTE_H
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#define GUARD_PALETTE_H
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#define gPaletteFade_selectedPalettes (gPaletteFade.multipurpose1) // normal and fast fade
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#define gPaletteFade_blendCnt (gPaletteFade.multipurpose1) // hardware fade
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#define gPaletteFade_delay (gPaletteFade.multipurpose2) // normal and hardware fade
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#define gPaletteFade_submode (gPaletteFade.multipurpose2) // fast fade
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#define PLTT_BUFFER_SIZE (PLTT_SIZE / sizeof(u16))
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#define PALETTE_FADE_STATUS_DELAY 2
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#define PALETTE_FADE_STATUS_ACTIVE 1
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#define PALETTE_FADE_STATUS_DONE 0
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#define PALETTE_FADE_STATUS_LOADING 0xFF
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#define PALETTES_BG 0x0000FFFF
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#define PALETTES_OBJECTS 0xFFFF0000
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#define PALETTES_ALL (PALETTES_BG | PALETTES_OBJECTS)
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#define PLTT_ID(n) ((n) * 16)
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#define BG_PLTT_OFFSET 0x000
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#define OBJ_PLTT_OFFSET 0x100
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#define BG_PLTT_ID(n) (BG_PLTT_OFFSET + PLTT_ID(n))
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#define OBJ_PLTT_ID(n) (OBJ_PLTT_OFFSET + PLTT_ID(n))
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#define OBJ_PLTT_ID2(n) (PLTT_ID((n) + 16))
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enum
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{
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FAST_FADE_IN_FROM_WHITE,
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FAST_FADE_OUT_TO_WHITE,
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FAST_FADE_IN_FROM_BLACK,
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FAST_FADE_OUT_TO_BLACK,
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};
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struct PaletteFadeControl
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{
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u32 multipurpose1;
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u8 delayCounter:6;
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u16 y:5; // blend coefficient
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u16 targetY:5; // target blend coefficient
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u16 blendColor:15;
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bool16 active:1;
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u16 multipurpose2:6;
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bool16 yDec:1; // whether blend coefficient is decreasing
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bool16 bufferTransferDisabled:1;
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u16 mode:2;
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bool16 shouldResetBlendRegisters:1;
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bool16 hardwareFadeFinishing:1;
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u16 softwareFadeFinishingCounter:5;
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bool16 softwareFadeFinishing:1;
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bool16 objPaletteToggle:1;
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u8 deltaY:4; // rate of change of blend coefficient
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};
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extern struct PaletteFadeControl gPaletteFade;
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extern u32 gPlttBufferTransferPending;
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extern u8 ALIGNED(4) gPaletteDecompressionBuffer[];
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extern u16 ALIGNED(4) gPlttBufferUnfaded[PLTT_BUFFER_SIZE];
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extern u16 ALIGNED(4) gPlttBufferFaded[PLTT_BUFFER_SIZE];
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void LoadCompressedPalette(const u32 *src, u16 offset, u16 size);
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void LoadPalette(const void *src, u16 offset, u16 size);
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void FillPalette(u16 value, u16 offset, u16 size);
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void TransferPlttBuffer(void);
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u8 UpdatePaletteFade(void);
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void ResetPaletteFade(void);
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bool8 BeginNormalPaletteFade(u32 selectedPalettes, s8 delay, u8 startY, u8 targetY, u16 blendColor);
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void PaletteStruct_ResetById(u16 id);
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void ResetPaletteFadeControl(void);
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void InvertPlttBuffer(u32 selectedPalettes);
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void TintPlttBuffer(u32 selectedPalettes, s8 r, s8 g, s8 b);
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void UnfadePlttBuffer(u32 selectedPalettes);
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void BeginFastPaletteFade(u8 submode);
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void BeginHardwarePaletteFade(u8 blendCnt, u8 delay, u8 y, u8 targetY, u8 shouldResetBlendRegisters);
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void BlendPalettes(u32 selectedPalettes, u8 coeff, u16 color);
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void BlendPalettesUnfaded(u32 selectedPalettes, u8 coeff, u16 color);
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void BlendPalettesGradually(u32 selectedPalettes, s8 delay, u8 coeff, u8 coeffTarget, u16 color, u8 priority, u8 id);
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void TintPalette_GrayScale(u16 *palette, u16 count);
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void TintPalette_GrayScale2(u16 *palette, u16 count);
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void TintPalette_SepiaTone(u16 *palette, u16 count);
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void TintPalette_CustomTone(u16 *palette, u16 count, u16 rTone, u16 gTone, u16 bTone);
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static inline void SetBackdropFromColor(u16 color)
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{
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FillPalette(color, 0, PLTT_SIZEOF(1));
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}
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static inline void SetBackdropFromPalette(const u16 *palette)
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{
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LoadPalette(palette, 0, PLTT_SIZEOF(1));
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}
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#endif // GUARD_PALETTE_H
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