Create a new CRLayer struct with the following attributes.
- Grid: nullptr
- entities.head: nullptr
- entities.tail: nullptr
- tile_index: 0
- width: default layer width
- height: default layer height
- position: (0,0)
- flags: 0
- mask_count: 0
Calculate the size of the grid based on the width and height of the layers, then allocate the memory for it and fill the grid with zeros.
Creates a new layer using :cCRNewLayer(), then initializes the grid using :cCRInitGrid().
Checks if the index is within the world_layers array bounds, then overwrites whatever is in that index with the provided layer.
Checks if the index is within the ui_layers array bounds, then overwrites whatever is in that index with the provided layer.
Increases the size of the world_layer array in the cr_config struct by one, adding it to the end of the array.
Increases the size of the ui_layer array in the cr_config struct by one, adding it to the end of the array.
Creates a new layer using :cCRNewWorldLayer() and adds the provided layer to the index, shifting other layers to make room so nothing is overwritten.
Creates a new layer using :cCRNewUILayer() and adds the provided layer to the index, shifting other layers to make room so nothing is overwritten.
Creates a new layer using :cCRNewWorldLayer() and adds the provided layer to the end.
Creates a new layer using :cCRNewUILayer() and adds the provided layer to the end.
Check if there are already world layers. If not, create a new layer and append it to the world layers.
Check if there are already UI layers. If not, create a new layer and append it to the UI layers.
Set the flags in the provided layer to the integer flags.
Set the flags in world layer 0 to the integer flags.
Set the flags in UI layer 0 to the integer flags.