lighting issues

  
void cModel::FillBuffers(IDirect3DDevice9 *lpDevice)
{
	cGeometry *tempMesh;	//holds the current mesh info

	tempMesh = new cGeometry;	//alocate the temp mesh

	tempMesh = HeadMesh;
	bool IsDone = false;

	//loop through all meshs and set their vertex buffers, index buffers, and materials

	while(IsDone == false)
	{
		if(tempMesh->dwNumVerts == 0)
		{
			IsDone = true;
			break;
		}

		if(UseD3DLighting == true)
			ComputeMeshNormals(tempMesh->MeshVerts, tempMesh->MeshIndices, tempMesh->dwNumVerts, (tempMesh->dwNumFaces * 3));	//compute the mesh normals so that we can apply lighting


		//create a new vertex buffer

		if(UseD3DLighting == true)
			lpDevice->CreateVertexBuffer((tempMesh->dwNumVerts * sizeof(VERTEX)), D3DUSAGE_WRITEONLY, D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX1, D3DPOOL_DEFAULT, &tempMesh->lpMeshVB, NULL);
		else
			lpDevice->CreateVertexBuffer((tempMesh->dwNumVerts * sizeof(VERTEX)), D3DUSAGE_WRITEONLY, D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1, D3DPOOL_DEFAULT, &tempMesh->lpMeshVB, NULL);

		//assign the meshs material to it

		if(HeadMat != NULL)
		{
			cShader *tempMat;
			tempMat = HeadMat;

			//search for the mesh's material

			for(DWORD i = 0; i < dwNumMats; i++)
			{
				if(strcmp(tempMesh->matName, tempMat->mName) != 0)
				{
					if(tempMat->Next != NULL)
						tempMat = tempMat->Next;
				}
				else
					break;
			}

			//if the meshs material has a texture map, load it

			if(tempMat->HasTextureMap == true)
			{
				if(tempMat->tFileName != NULL)
				{
					D3DXCreateTextureFromFile(lpDevice, tempMat->tFileName, &tempMesh->lpTexture);
				}
			}
	
			if(UseD3DLighting == true)
			{
				//if the mesh's material has material values, set them onto its d3dmaterial

				if(tempMat->HasMaterial == true)
				{
					ZeroMemory(&tempMesh->lpMat, sizeof(D3DMATERIAL9));
					tempMesh->lpMat.Ambient.r = tempMat->AmbR;
					tempMesh->lpMat.Ambient.g = tempMat->AmbG;
					tempMesh->lpMat.Ambient.b = tempMat->AmbB;
					tempMesh->lpMat.Ambient.a = 1.0f;	

					tempMesh->lpMat.Diffuse.r = tempMat->DifR;
					tempMesh->lpMat.Diffuse.g = tempMat->DifG;
					tempMesh->lpMat.Diffuse.b = tempMat->DifB;
					tempMesh->lpMat.Diffuse.a = 1.0f;

					tempMesh->lpMat.Specular.r = tempMat->SpcR;
					tempMesh->lpMat.Specular.g = tempMat->SpcG;
					tempMesh->lpMat.Specular.b = tempMat->SpcB;
					tempMesh->lpMat.Diffuse.a = 1.0f;

					tempMesh->lpMat.Power = 50.0f;
		

					tempMat = NULL;	

				}
				//if not set a default material value(white)

				else
				{
					ZeroMemory(&tempMesh->lpMat, sizeof(D3DMATERIAL9));
					tempMesh->lpMat.Ambient.r =	1.0f;
					tempMesh->lpMat.Ambient.g = 1.0f;
					tempMesh->lpMat.Ambient.b = 1.0f;
					tempMesh->lpMat.Ambient.a = 1.0f;	

					tempMesh->lpMat.Diffuse.r = 1.0f;
					tempMesh->lpMat.Diffuse.g = 1.0f;
					tempMesh->lpMat.Diffuse.b = 1.0f;
					tempMesh->lpMat.Diffuse.a = 1.0f;
	
					tempMesh->lpMat.Specular.r = 1.0f;
					tempMesh->lpMat.Specular.g = 1.0f;
					tempMesh->lpMat.Specular.b = 1.0f;
					tempMesh->lpMat.Diffuse.a = 1.0f;
	
					tempMesh->lpMat.Power = 50.0f;

				}	//use the defualt white material

			}
			else
			{
				for(DWORD i = 0; i < tempMesh->dwNumVerts; i++)
				{
	 				tempMesh->LMeshVerts[i].dwColor = tempMat->dwColor;
				}
			}
		}

	
		if(UseD3DLighting == true)
		{
			VERTEX *v;	//temp vertex

			//put the mesh vertex info into its vertex buffer

			tempMesh->lpMeshVB->Lock(0, 0, (VOID**)&v, 0);
			for(DWORD i = 0; i < tempMesh->dwNumVerts; i++)
			{
	
				v[i].x = tempMesh->MeshVerts[i].x;
				v[i].y = tempMesh->MeshVerts[i].y;
				v[i].z = tempMesh->MeshVerts[i].z;
	
				v[i].nx = tempMesh->MeshVerts[i].nx;
				v[i].ny = tempMesh->MeshVerts[i].ny;
				v[i].nz = tempMesh->MeshVerts[i].nz;
		
				v[i].tu = tempMesh->MeshVerts[i].tu;
				v[i].tv = tempMesh->MeshVerts[i].tv;
			}
			tempMesh->lpMeshVB->Unlock();
		}

		else
		{
			LVERTEX *lv;	//temp vertex

			//put the mesh vertex info into its vertex buffer

			//NOTE: CHANGED WHILE CONVERTING TO DX9

			tempMesh->lpMeshVB->Lock(0, 0, (VOID**)&lv, 0);
			for(DWORD i = 0; i < tempMesh->dwNumVerts; i++)
			{
	
				lv[i].x = tempMesh->LMeshVerts[i].x;
				lv[i].y = tempMesh->LMeshVerts[i].y;
				lv[i].z = tempMesh->LMeshVerts[i].z;
	
				lv[i].dwColor = tempMesh->LMeshVerts[i].dwColor;
		
				lv[i].tu = tempMesh->LMeshVerts[i].tu;
				lv[i].tv = tempMesh->LMeshVerts[i].tv;
			}
			tempMesh->lpMeshVB->Unlock();
		}

		//now put all the meshs indices into its vertex buffer

		if(tempMesh->dwNumFaces > 0)
		{
			//NOTE: CHANGED WHILE CONVERTING TO DX9

			lpDevice->CreateIndexBuffer((tempMesh->dwNumFaces * 3) * sizeof(WORD), D3DUSAGE_WRITEONLY, D3DFMT_INDEX16, D3DPOOL_DEFAULT, &tempMesh->lpMeshIB, NULL);
			WORD *idx;
			//NOTE: CHANGED WHILE CONVERTING TO DX9

			tempMesh->lpMeshIB->Lock(0, 0, (VOID**)&idx, 0);
			for(DWORD i = 0; i < (tempMesh->dwNumFaces * 3); i++)
			{
				idx[i] = tempMesh->MeshIndices[i];
			}
			tempMesh->lpMeshIB->Unlock();
		}

		//delete all the verts and indices since we dont need them anymore

		tempMesh->MeshVerts = NULL;
		tempMesh->LMeshVerts = NULL;
		tempMesh->MeshIndices = NULL;

		
		if(tempMesh->Next == NULL)
		{
			IsDone = true;
			break;
		}
		else
		{
			tempMesh = tempMesh->Next;
		}
	}
}

  

    
//if the meshs material has a texture map, load it			

if(tempMat->HasTextureMap == true)			
{				
     if(tempMat->tFileName != NULL)				{	  D3DXCreateTextureFromFile(lpDevice, tempMat->tFileName, &tempMesh->lpTexture);				}			}