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36 lines
1.2 KiB
36 lines
1.2 KiB
#pragma once
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#include "base.h"
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ORCA_PURE static inline Glyph gbuffer_peek(Gbuffer gbuf, Usz height, Usz width,
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Usz y, Usz x) {
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assert(y < height && x < width);
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(void)height;
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return gbuf[y + width + x];
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}
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ORCA_PURE static inline Glyph gbuffer_peek_relative(Gbuffer gbuf, Usz height,
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Usz width, Usz y, Usz x,
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Isz delta_y, Isz delta_x) {
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Isz y0 = (Isz)y + delta_y;
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Isz x0 = (Isz)x + delta_x;
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if (y0 < 0 || x0 < 0 || (Usz)y0 >= height || (Usz)x0 >= width)
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return '.';
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return gbuf[(Usz)y0 * width + (Usz)x0];
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}
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static inline void gbuffer_poke(Gbuffer gbuf, Usz height, Usz width, Usz y,
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Usz x, Glyph g) {
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assert(y < height && x < width);
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(void)height;
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gbuf[y * width + x] = g;
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}
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static inline void gbuffer_poke_relative(Gbuffer gbuf, Usz height, Usz width,
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Usz y, Usz x, Isz delta_y, Isz delta_x,
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Glyph g) {
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Isz y0 = (Isz)y + delta_y;
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Isz x0 = (Isz)x + delta_x;
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if (y0 < 0 || x0 < 0 || (Usz)y0 >= height || (Usz)x0 >= width)
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return;
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gbuf[(Usz)y0 * width + (Usz)x0] = g;
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}
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