void Renderer::DrawVBO_PCUTB(unsigned int vboID, int numVerts, DrawMode drawMode /*= QUADS*/, Texture* texture /*= nullptr*/)
{
if (!texture)
{
texture = m_defaultTexture;
}
BindTexture(*texture);
glBindBuffer(GL_ARRAY_BUFFER, vboID);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(Vertex_PCUTB), (const GLvoid*)offsetof(Vertex_PCUTB, pos));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(Vertex_PCUTB), (const GLvoid*)offsetof(Vertex_PCUTB, color));
glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex_PCUTB), (const GLvoid*)offsetof(Vertex_PCUTB, texCoords));
glVertexPointer(3, GL_FLOAT, sizeof(Vertex_PCUTB), (const GLvoid*)offsetof(Vertex_PCUTB, tangent));
glVertexPointer(3, GL_FLOAT, sizeof(Vertex_PCUTB), (const GLvoid*)offsetof(Vertex_PCUTB, bitangent));
glDrawArrays(GetDrawMode(drawMode), 0, numVerts);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, 0);
UnbindTexture();
}
void CRenWin3D::paintGL()
{
if(m_model)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMultMatrixf(&m_viewMatrix[0][0]);
glBegin(GL_TRIANGLES);
glLightfv(GL_LIGHT1, GL_POSITION, &m_cameraPosition[0]);
const std::vector<glm::vec3> &vert = m_model->GetVertices();
const std::vector<glm::vec2> &uvs = m_model->GetUVCoords();
const std::vector<glm::vec3> &norms = m_model->GetNormals();
int i = 0;
for(const glm::uvec4 &t : m_model->GetTriangles())
{
BindTexture(t[3]);
const glm::vec3 &vertex1 = vert[t[0]];
const glm::vec3 &vertex2 = vert[t[1]];
const glm::vec3 &vertex3 = vert[t[2]];
const glm::vec2 &uv1 = uvs[t[0]];
const glm::vec2 &uv2 = uvs[t[1]];
const glm::vec2 &uv3 = uvs[t[2]];
const glm::vec3 &faceNormal = norms[i++];
glNormal3f(faceNormal[0], faceNormal[1], faceNormal[2]);
glTexCoord2f(uv1[0], uv1[1]);
glVertex3f(vertex1[0], vertex1[1], vertex1[2]);
glTexCoord2f(uv2[0], uv2[1]);
glVertex3f(vertex2[0], vertex2[1], vertex2[2]);
glTexCoord2f(uv3[0], uv3[1]);
glVertex3f(vertex3[0], vertex3[1], vertex3[2]);
}
glEnd();
UnbindTexture();
}
if(m_grid)
{
DrawGrid();
}
DrawAxis();
}
//Draw the mesh
void DrawMesh(Mesh *mesh)
{
//Bind the buffers
BindMesh(&mesh->Buffers);
BindTexture(&mesh->MeshTexture);
//Draw the mesh
glDrawElements(GL_TRIANGLES //Drawing type
, mesh->Data.IndicesCount //Number of indices
, GL_UNSIGNED_INT //Indices type
, 0); //The location of the indices (NULL means to look for them in the buffer)
//Unbind the buffers
UnbindMesh();
UnbindTexture();
}
