gremlin_min.bt

// Gremlin, MIN format
// Template created by Mark "hogsy" Sowden <markelswo@gmail.com>

struct RGB
{
	uint8_t r;
	uint8_t g;
	uint8_t b;
	uint8_t padding;
};// 4 bytes

struct Vector
{
	int16_t x;
	int16_t y;
	int16_t z;
	int16_t padding;
};// 8 bytes

/////////////////////////////////////////////////////////

uint32_t facesSize;

// there are 16 types of faces available,
// if any of these are greater than 0,
// then x of those are present
// todo, need to finish some of these...

uint32_t faceNumType1;
struct
{
	struct RGB colour;
	uint16_t   normal;
	uint16_t   vertices[ 3 ];
} faces1[ faceNumType1 ];

uint32_t faceNumType2;
struct
{
	struct RGB colour;
	uint16_t   vertices[ 3 ];
	uint16_t   padding;
} faces2[ faceNumType2 ];

uint32_t faceNumType3;
uint32_t faceNumType4;
uint32_t faceNumType5;

uint32_t faceNumType6;
struct
{
	struct RGB colour;
	uint16_t   vertices[ 4 ];
} faces6[ faceNumType6 ];

uint32_t faceNumType7;

uint32_t faceNumType8;
struct
{
	uint8_t    uv0[ 2 ];
	int16_t    u0;
	uint8_t    uv1[ 2 ];
	int16_t    u1;
	uint8_t    uv2[ 2 ];
	int16_t    u2;
	uint8_t    uv3[ 2 ];
	int16_t    u3;
	struct RGB colour;
	uint16_t   vertices[ 4 ];
} faces8[ faceNumType8 ];// 28 bytes

uint32_t faceNumType9;
uint32_t faceNumType10;
uint32_t faceNumType11;
uint32_t faceNumType12;
uint32_t faceNumType13;
uint32_t faceNumType14;
uint32_t faceNumType15;
uint32_t faceNumType16;

// we can derive the vertex table offset from the size of the faces block
local uint32_t vertexOffset = ( facesSize + 1 ) * 4;// 4 for long
FSeek( vertexOffset );

uint32_t       vertexSize;
local uint32_t numVertices = ( vertexSize * 4 ) / 8;// 4 for long, 8 for vector
if ( numVertices > 0 )
	struct Vector vertices[ numVertices ];

uint32_t       normalSize;
local uint32_t numNormals = ( normalSize * 4 ) / 8;// 4 for long, 8 for vector
if ( numNormals > 0 )
	struct Vector normals[ numNormals ];