GAE_Tiled_t* GAE_TiledParser_draw(GAE_Tiled_t* tilemap, GAE_Renderer_t* renderer, const unsigned int layerId) {
unsigned int y = 0U;
unsigned int x = 0U;
GAE_Tiled_Layer_t* layer = (GAE_Tiled_Layer_t*)GAE_Array_get(tilemap->layers, layerId);
GAE_Tiled_Tileset_t* tileset = getTileset(tilemap, *(unsigned int*)GAE_Array_begin(layer->data));
const unsigned int margin = tileset->margin;
const unsigned int srcWidth = tileset->tileWidth + margin;
const unsigned int srcHeight = tileset->tileHeight + margin;
const unsigned int dstWidth = tilemap->tileWidth + margin;
const unsigned int dstHeight = tilemap->tileHeight + margin;
const unsigned int tilemapWidthInTiles = (tileset->imageWidth / srcWidth);
const unsigned int offsetX = layer->x;
const unsigned int offsetY = layer->y;
#define ROWCOL(x,y,width) (x * width + y)
for (y = 0U; y < layer->height; ++y) {
for (x = 0U; x < layer->width; ++x) {
const unsigned int tileId = *(unsigned int*)GAE_Array_get(layer->data, ROWCOL(y, x, layer->width)) - 1U;
SDL_Rect src;
SDL_Rect dst;
src.x = (tileId % tilemapWidthInTiles) * srcWidth;
src.y = (tileId / tilemapWidthInTiles) * srcWidth;
src.w = srcWidth;
src.h = srcHeight;
dst.x = (x * dstWidth) + offsetX;
dst.y = (y * dstHeight) + offsetY;
dst.w = dstWidth;
dst.h = dstHeight;
tileset->image->srcRect = &src;
tileset->image->dstRect = &dst;
GAE_Renderer_drawSprite(renderer, tileset->image);
}
}
#undef ROWCOL
return tilemap;
}
GAE_BOOL GAE_StateStack_update(GAE_StateStack_t* stack, const float delta) {
GAE_BOOL status = GAE_FALSE;
GAE_State_t* state = GAE_Array_get(stack->stack, GAE_Array_size(stack->stack) - 1U);
if (0 != state)
status = (*state->update)(delta, state->userData);
if (0 != stack->lastState) {
free(stack->lastState);
stack->lastState = 0;
}
return status;
}
GAE_State_t* GAE_StateStack_get(GAE_StateStack_t* stack) {
return GAE_Array_get(stack->stack, GAE_Array_size(stack->stack) - 1U);
}
