Function FillResult

trinity/Resources/TriGrannyRes.cpp:1920–1978

}

void FillResult( Tr2GrannyIntersectionResult::Result& result, const uint8_t** triangle, const granny_data_type_definition* vertexFormat, float u, float v )
{
	auto position = FindGrannyComponent( GrannyVertexPositionName, vertexFormat );
	if( position.first )
	{
		Vector3 p0 = ExtractVector3( triangle[0], position );
		Vector3 p1 = ExtractVector3( triangle[1], position );
		Vector3 p2 = ExtractVector3( triangle[2], position );

		result.position = p0 + ( p1 - p0 ) * u + ( p2 - p0 ) * v;
		result.hasPosition = true;
	}
	else
	{
		result.position = Vector3( 0, 0, 0 );
		result.hasPosition = false;
	}
	auto normal = FindGrannyComponent( GrannyVertexNormalName, vertexFormat );
	if( normal.first )
	{
		Vector3 p0 = ExtractVector3( triangle[0], normal );
		Vector3 p1 = ExtractVector3( triangle[1], normal );
		Vector3 p2 = ExtractVector3( triangle[2], normal );

		result.normal = Normalize( p0 + ( p1 - p0 ) * u + ( p2 - p0 ) * v );
		result.hasNormal = true;
	}
	else
	{
		result.normal = Vector3( 0, 0, 0 );
		result.hasNormal = false;
	}
	auto uv = FindGrannyComponent( GrannyVertexTextureCoordinatesName "0", vertexFormat );
	if( uv.first )
	{
		Vector2 p0 = ExtractVector2( triangle[0], uv );
		Vector2 p1 = ExtractVector2( triangle[1], uv );
		Vector2 p2 = ExtractVector2( triangle[2], uv );

		result.uv = p0 + ( p1 - p0 ) * u + ( p2 - p0 ) * v;
		result.hasUv = true;
	}
	else
	{
		result.uv = Vector2( 0, 0 );
		result.hasUv = false;
	}
	auto boneIndex = FindGrannyComponent( GrannyVertexBoneIndicesName, vertexFormat );
	if( boneIndex.first )
	{
		result.boneIndex = triangle[0][boneIndex.second];
		result.hasBoneIndex = true;
	}
	else
	{
		result.boneIndex = -1;
		result.hasBoneIndex = false;
	}