ref: 1d99e512d8557f2edc1fa0c515f3a52a06e13155
dir: /mark.h/
#pragma once #include "base.h" typedef enum { Mark_flag_none = 0, Mark_flag_haste_input = 1 << 0, Mark_flag_input = 1 << 1, Mark_flag_lock = 1 << 2, Mark_flag_output = 1 << 3, } Mark_flags; typedef struct { U8* buffer; Usz capacity; } Markmap; void markmap_init(Markmap* map); void markmap_ensure_capacity(Markmap* map, Usz capacity); void markmap_clear(Markmap* map); void markmap_deinit(Markmap* map); ORCA_FORCE_INLINE Mark_flags markmap_peek_relative(Markmap* map, Usz map_height, Usz map_width, Usz y, Usz x, Isz offs_y, Isz offs_x); ORCA_FORCE_INLINE void markmap_poke_relative(Markmap* map, Usz map_height, Usz map_width, Usz y, Usz x, Isz offs_y, Isz offs_x, Mark_flags flags); // Inline implementation ORCA_FORCE_INLINE Mark_flags markmap_peek_relative(Markmap* map, Usz map_height, Usz map_width, Usz y, Usz x, Isz offs_y, Isz offs_x) { Isz y0 = (Isz)y + offs_y; Isz x0 = (Isz)x + offs_x; if (y0 >= (Isz)map_height || x0 >= (Isz)map_width || y0 < 0 || x0 < 0) return Mark_flag_none; return map->buffer[(Usz)y0 * map_width + (Usz)x0]; } ORCA_FORCE_INLINE void markmap_poke_relative(Markmap* map, Usz map_height, Usz map_width, Usz y, Usz x, Isz offs_y, Isz offs_x, Mark_flags flags) { Isz y0 = (Isz)y + offs_y; Isz x0 = (Isz)x + offs_x; if (y0 >= (Isz)map_height || x0 >= (Isz)map_width || y0 < 0 || x0 < 0) return; map->buffer[(Usz)y0 * map_width + (Usz)x0] = flags; }