Method LoadRenderModel

neo/cm/CollisionModel_load.cpp:3075–3181

================ idCollisionModelManagerLocal::LoadRenderModel ================ */

================
*/
cm_model_t *idCollisionModelManagerLocal::LoadRenderModel( const char *fileName ) {
	int i, j;
	idRenderModel *renderModel;
	const modelSurface_t *surf;
	idFixedWinding w;
	cm_node_t *node;
	cm_model_t *model;
	idPlane plane;
	idBounds bounds;
	bool collisionSurface;
	idStr extension;

	// only load ASE and LWO models
	idStr( fileName ).ExtractFileExtension( extension );
	if ( ( extension.Icmp( "ase" ) != 0 ) && ( extension.Icmp( "lwo" ) != 0 ) && ( extension.Icmp( "ma" ) != 0 ) ) {
		return NULL;
	}

	if ( !renderModelManager->CheckModel( fileName ) ) {
		return NULL;
	}

	renderModel = renderModelManager->FindModel( fileName );

	model = AllocModel();
	model->name = fileName;
	node = AllocNode( model, NODE_BLOCK_SIZE_SMALL );
	node->planeType = -1;
	model->node = node;

	model->maxVertices = 0;
	model->numVertices = 0;
	model->maxEdges = 0;
	model->numEdges = 0;

	bounds = renderModel->Bounds( NULL );

	collisionSurface = false;
	for ( i = 0; i < renderModel->NumSurfaces(); i++ ) {
		surf = renderModel->Surface( i );
		if ( surf->shader->GetSurfaceFlags() & SURF_COLLISION ) {
			collisionSurface = true;
		}
	}

	for ( i = 0; i < renderModel->NumSurfaces(); i++ ) {
		surf = renderModel->Surface( i );
		// if this surface has no contents
		if ( ! ( surf->shader->GetContentFlags() & CONTENTS_REMOVE_UTIL ) ) {
			continue;
		}
		// if the model has a collision surface and this surface is not a collision surface
		if ( collisionSurface && !( surf->shader->GetSurfaceFlags() & SURF_COLLISION ) ) {
			continue;
		}
		// get max verts and edges
		model->maxVertices += surf->geometry->numVerts;
		model->maxEdges += surf->geometry->numIndexes;