mirror of https://github.com/nmlgc/ReC98.git
107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/// Current palette
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/// ---------------
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#if defined(COLOR_COUNT) && defined(__cplusplus)
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extern Palette4 z_Palettes;
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// Calls z_palette_set_show() for all colors in [pal].
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void z_palette_set_all_show(const Palette4& pal);
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// Fades each hardware palette color from the given RGB value to its
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// respective value in z_Palettes, blocking [step_ms] milliseconds at each
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// of the 16 fade steps. If [keep] is nonzero for a specific color number,
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// that color is excluded from the fade calculation and will stay at its
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// z_Palettes value throughout the function.
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void z_palette_fade_from(
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uint4_t from_r, uint4_t from_g, uint4_t from_b,
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int keep[COLOR_COUNT],
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unsigned int step_ms
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);
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#endif
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// Sets the given hardware [col] to the given RGB value.
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#define UINT4 int
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void z_palette_show_single(UINT4 col, UINT4 r, UINT4 g, UINT4 b);
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#define z_palette_show_single_col(col, rgb) \
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z_palette_show_single(col, rgb.c.r, rgb.c.g, rgb.c.b);
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#undef UINT4
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// Clamps #[r][g][b] to the 4-bit 0-15 range, then sets the given [col] in
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// both z_Palettes and the hardware palette to that value.
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void z_palette_set_show(int col, int r, int g, int b);
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// Sets all hardware colors to #000, without touching z_Palettes.
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void z_palette_black(void);
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// Sets all hardware colors to #FFF, without touching z_Palettes.
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void z_palette_white(void);
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// Fades all hardware colors from #000 or #FFF to their value in z_Palettes.
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void z_palette_black_in(void);
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void z_palette_white_in(void);
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// Fades all hardware colors from their value in z_Palettes to #000 or #FFF,
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// without modifiying z_Palettes.
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void z_palette_black_out(void);
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void z_palette_white_out(void);
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#define z_Palettes_set_func_and_show(tmp_col, tmp_comp, func) { \
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palette_foreach(tmp_col, tmp_comp, func); \
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z_palette_set_all_show(z_Palettes); \
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}
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// Sets all colors in both the hardware palette and z_Palettes to #000.
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#define z_palette_set_black(tmp_col, tmp_comp) { \
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palette_set_grayscale(z_Palettes, 0, tmp_col, tmp_comp); \
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z_palette_set_all_show(z_Palettes); \
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}
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// Sets all colors in both the hardware palette and z_Palettes to #FFF.
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#define z_palette_set_white(tmp_col, tmp_comp) { \
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palette_set_grayscale(z_Palettes, RGB4::max(), tmp_col, tmp_comp); \
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z_palette_set_all_show(z_Palettes); \
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}
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// Performs a single black-out step.
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#define z_palette_black_out_step(tmp_col, tmp_comp) \
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z_Palettes_set_func_and_show(tmp_col, tmp_comp, { \
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z_Palettes.colors[tmp_col].v[tmp_comp] -= \
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(z_Palettes.colors[tmp_col].v[tmp_comp] > 0) ? 1 : 0; \
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})
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#define z_palette_black_out_step_2(tmp_col, tmp_comp) \
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z_Palettes_set_func_and_show(tmp_col, tmp_comp, { \
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z_Palettes.colors[tmp_col].v[tmp_comp] += \
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(z_Palettes.colors[tmp_col].v[tmp_comp] > 0) ? -1 : 0; \
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})
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// Performs a single white-out step.
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#define z_palette_white_out_step(tmp_col, tmp_comp) \
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z_Palettes_set_func_and_show(tmp_col, tmp_comp, { \
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if(z_Palettes.colors[tmp_col].v[tmp_comp] < 0xF) { \
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z_Palettes.colors[tmp_col].v[tmp_comp]++; \
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} \
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})
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// Performs a single ramping step from z_Palettes to [target_pal]. Every color
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// in z_Palettes is assumed to not be brighter than the corresponding color in
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// [target_pal].
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#define z_palette_black_in_step_to(tmp_col, tmp_comp, target_pal) \
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z_Palettes_set_func_and_show(tmp_col, tmp_comp, { \
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z_Palettes.colors[tmp_col].v[tmp_comp] += ( \
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target_pal[tmp_col].v[tmp_comp] > z_Palettes[tmp_col].v[tmp_comp] \
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? 1 \
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: 0 \
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); \
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})
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/// ----------------
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/// Resident palette
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/// ----------------
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// Copies the resident palette to z_Palettes and sets all hardware colors.
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// Returns 1 on success, 0 on failure.
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int z_respal_get_show(void);
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// Copies z_Palettes to the resident palette. Returns 1 on success, 0 on
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// failure.
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int z_respal_set(void);
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/// ----------------
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