Function G2API_GetBoltMatrix

code/rd-vanilla/G2_API.cpp:1726–1797

bool G2_NeedsRecalc(CGhoul2Info *ghlInfo,int frameNum);

qboolean G2API_GetBoltMatrix(CGhoul2Info_v &ghoul2, const int modelIndex, const int boltIndex, mdxaBone_t *matrix, const vec3_t angles,
							 const vec3_t position, const int AframeNum, qhandle_t *modelList, const vec3_t scale )
{
	G2ERROR(ghoul2.IsValid(),"Invalid ghlInfo");
	G2ERROR(matrix,"NULL matrix");
	G2ERROR(modelIndex>=0&&modelIndex<ghoul2.size(),"Invalid ModelIndex");
	const static mdxaBone_t		identityMatrix =
	{
		{
			{ 0.0f, -1.0f, 0.0f, 0.0f },
			{ 1.0f, 0.0f, 0.0f, 0.0f },
			{ 0.0f, 0.0f, 1.0f, 0.0f }
		}
	};
	G2_GenerateWorldMatrix(angles, position);
	if (G2_SetupModelPointers(ghoul2))
	{
		if (matrix&&modelIndex>=0&&modelIndex<ghoul2.size())
		{
			int frameNum=G2API_GetTime(AframeNum);
			CGhoul2Info *ghlInfo = &ghoul2[modelIndex];
			G2ERROR(boltIndex >= 0 && (boltIndex < (int)ghlInfo->mBltlist.size()),va("Invalid Bolt Index (%d:%s)",boltIndex,ghlInfo->mFileName));

			if (boltIndex >= 0 && ghlInfo && (boltIndex < (int)ghlInfo->mBltlist.size()) )
			{
				mdxaBone_t bolt;

				if (G2_NeedsRecalc(ghlInfo,frameNum))
				{
					G2_ConstructGhoulSkeleton(ghoul2,frameNum,true,scale);
				}

				G2_GetBoltMatrixLow(*ghlInfo,boltIndex,scale,bolt);
				// scale the bolt position by the scale factor for this model since at this point its still in model space
				if (scale[0])
				{
					bolt.matrix[0][3] *= scale[0];
				}
				if (scale[1])
				{
					bolt.matrix[1][3] *= scale[1];
				}
				if (scale[2])
				{
					bolt.matrix[2][3] *= scale[2];
				}
				VectorNormalize((float*)&bolt.matrix[0]);
				VectorNormalize((float*)&bolt.matrix[1]);
				VectorNormalize((float*)&bolt.matrix[2]);

				Multiply_3x4Matrix(matrix, &worldMatrix, &bolt);
#if G2API_DEBUG
				for ( int i = 0; i < 3; i++ )
				{
					for ( int j = 0; j < 4; j++ )
					{
						assert( !Q_isnan(matrix->matrix[i][j]));
					}