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Properly handle map collisions when placing/destroying buildings

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This commit is contained in:
Klemen Plestenjak
2024-01-08 15:27:58 +01:00
parent c08fca9670
commit 88cbfe4a37
8 changed files with 56 additions and 7 deletions
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12
engine/breeze/map/map.c
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@@ -508,7 +508,19 @@ bool bzTileMapHasCollision(BzTileMap *map, i32 x, i32 y) {
i32 idx = y * map->width + x;
return map->collisionMap[idx];
}
void bzTileMapSetCollisions(BzTileMap *map, bool collision, i32 startX, i32 startY, i32 sizeX, i32 sizeY) {
i32 endX = startX + sizeX;
i32 endY = startY + sizeY;
BZ_ASSERT(map->collisionMap);
BZ_ASSERT(startX >= 0 && endX <= map->width &&
startY >= 0 && endY <= map->height);
for (i32 y = startY; y < endY; y++) {
for (i32 x = startX; x < endX; x++) {
map->collisionMap[y * map->width + x] = collision;
}
}
}
void bzTileMapUpdateCollisions(BzTileMap *map, i32 x, i32 y, i32 sizeX, i32 sizeY) {
if (!map->collisionMap) return;
updateCollisionMap(map, x, y, x + sizeX, y + sizeY);

1
engine/breeze/map/map.h
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@@ -131,6 +131,7 @@ bool bzTileMapCanRayCastLine(BzTileMap *map, Vector2 from, Vector2 to);
void bzTileMapDraw(BzTileMap *map);
void bzTileMapDrawCollisions(BzTileMap *map);
bool bzTileMapHasCollision(BzTileMap *map, i32 x, i32 y);
void bzTileMapSetCollisions(BzTileMap *map, bool collision, i32 startX, i32 startY, i32 sizeX, i32 sizeY);
void bzTileMapUpdateCollisions(BzTileMap *map, i32 x, i32 y, i32 sizeX, i32 sizeY);