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79 lines
2.7 KiB
79 lines
2.7 KiB
#pragma once
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#include "base.h"
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typedef enum {
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Mark_flag_none = 0,
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Mark_flag_input = 1 << 0,
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Mark_flag_output = 1 << 1,
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Mark_flag_haste_input = 1 << 2,
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Mark_flag_lock = 1 << 3,
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Mark_flag_sleep = 1 << 4,
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} Mark_flags;
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typedef Mark* Mbuffer;
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typedef struct Markmap_reusable {
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Mbuffer buffer;
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Usz capacity;
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} Markmap_reusable;
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void markmap_reusable_init(Markmap_reusable* map);
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void markmap_reusable_ensure_size(Markmap_reusable* map, Usz height, Usz width);
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void markmap_reusable_deinit(Markmap_reusable* map);
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void mbuffer_clear(Mbuffer map, Usz height, Usz width);
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek(Mbuffer map, Usz map_height, Usz map_width,
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Usz y, Usz x);
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek_relative(Mbuffer map, Usz map_height,
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Usz map_width, Usz y, Usz x, Isz offs_y,
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Isz offs_x);
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_flags_or(Mbuffer map, Usz map_height, Usz map_width,
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Usz y, Usz x, Mark_flags flags);
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_relative_flags_or(Mbuffer map, Usz map_height,
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Usz map_width, Usz y, Usz x,
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Isz offs_y, Isz offs_x,
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Mark_flags flags);
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// Inline implementation
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek(Mbuffer map, Usz map_height, Usz map_width,
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Usz y, Usz x) {
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(void)map_height;
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return map[y * map_width + x];
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}
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek_relative(Mbuffer map, Usz map_height,
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Usz map_width, Usz y, Usz x, Isz offs_y,
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Isz offs_x) {
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Isz y0 = (Isz)y + offs_y;
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Isz x0 = (Isz)x + offs_x;
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if (y0 >= (Isz)map_height || x0 >= (Isz)map_width || y0 < 0 || x0 < 0)
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return Mark_flag_none;
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return map[(Usz)y0 * map_width + (Usz)x0];
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}
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_flags_or(Mbuffer map, Usz map_height, Usz map_width,
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Usz y, Usz x, Mark_flags flags) {
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(void)map_height;
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map[y * map_width + x] |= (Mark)flags;
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}
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_relative_flags_or(Mbuffer map, Usz map_height,
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Usz map_width, Usz y, Usz x,
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Isz offs_y, Isz offs_x,
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Mark_flags flags) {
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Isz y0 = (Isz)y + offs_y;
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Isz x0 = (Isz)x + offs_x;
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if (y0 >= (Isz)map_height || x0 >= (Isz)map_width || y0 < 0 || x0 < 0)
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return;
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map[(Usz)y0 * map_width + (Usz)x0] |= (Mark)flags;
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}
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