Function g3_SetCustomClipPlane

renderer/HardwareClipper.cpp:376–388

Sets up a custom clipping plane - g3_StartFrame must be called before this is called

// Sets up a custom clipping plane - g3_StartFrame must be called before this is called
void g3_SetCustomClipPlane(uint8_t state, vector *pnt, vector *normal) {
  Clip_custom = state;
  if (state) {
    vector tempv;
    vector norm = *normal;

    tempv = *pnt - View_position;
    Clip_plane_point = tempv * View_matrix;

    Clip_plane = norm * Unscaled_matrix; // View_matrix;
    vm_NormalizeVector(&Clip_plane);
  }
}