2D_Engine_C/assets/asset_builder

Asset file structure

Description	Length
Assets number	size_t (64 bits)
...
Asset name	const char * (variable length)
Asset start index	size_t (64 bits)
Asset end index	size_t (64 bits)
...
Asset data	depend on assets content and number

Image (.png)

Convert RGBA to RGB with #FF00FF as the transparent color. If alpha null then the color of the pixel will be replaced with this.

Image data is in RGB 565.

Image asset data structure

Description	Length
Image width	size_t (64 bits)
Image height	size_t (64 bits)
Image data	depend on image size, pixel short (16 bits)

Maps (.map)

Maps asset data structure

Description	Length
Map width	int (32 bits)
Map height	int (32 bits)
Map background layer 1 data	depend on map size, tile short (16 bit)
Map background layer 2 data	depend on map size, tile short (16 bit)
Map background layer 3 data	depend on map size, tile short (16 bit)
Map foreground layer data	depend on map size, tile short (16 bit)
Entities number	int (32 bits)
...
Entity ID	size_t (64 bits)
Entity component number	int (32 bits)
...
Component type	int (32 bits)
...
Component attributes	depend on attribute type
...
...