NotAShelf
d8b49054d5
Signed-off-by: NotAShelf <raf@notashelf.dev> Change-Id: Id81f32d86f70a7df99c2ad3d478646416a6a6964
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#include "movement.h"
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#include "enemy.h"
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#include "map/map.h"
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#include "map/utils.h"
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#include <stdbool.h>
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// Check if position is occupied by player
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static int is_player_at(Player *p, int x, int y) {
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return (p->position.x == x && p->position.y == y);
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}
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static int direction_to_door_open_from(Vec2 dir) {
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if (dir.y == -1)
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return 0; // N
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if (dir.y == 1)
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return 1; // S
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if (dir.x == 1)
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return 2; // E
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if (dir.x == -1)
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return 3; // W
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return 255;
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}
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MoveResult try_move_entity(Vec2 *p, Vec2 direction, Map *map, Player *player, Enemy *enemies, int enemy_count,
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bool moving_is_player) {
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int new_x = p->x + direction.x;
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int new_y = p->y + direction.y;
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if (!in_bounds(new_x, new_y, MAP_WIDTH, MAP_HEIGHT))
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return MOVE_RESULT_BLOCKED_WALL;
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if (map->tiles[new_y][new_x] == TILE_DOOR_CLOSED) {
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map->tiles[new_y][new_x] = TILE_DOOR_OPEN;
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map->door_open_from[new_y][new_x] = direction_to_door_open_from(direction);
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map->door_anim_target[new_y][new_x] = 1;
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map->door_anim_timer[new_y][new_x] = DOOR_ANIM_FRAMES;
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}
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if (!is_floor(map, new_x, new_y))
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return MOVE_RESULT_BLOCKED_WALL;
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if (is_enemy_at(enemies, enemy_count, new_x, new_y))
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return MOVE_RESULT_BLOCKED_ENEMY;
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if (!moving_is_player) {
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if (is_player_at(player, new_x, new_y))
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return MOVE_RESULT_BLOCKED_PLAYER;
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}
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p->x = new_x;
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p->y = new_y;
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return MOVE_RESULT_MOVED;
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}
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