public void BuildDecalMesh(DMesh dm)
{
GL.PushMatrix();
GL.DeleteLists(GL_DECAL, 1);
GL.NewList(GL_DECAL, ListMode.Compile);
int tex_id = -1;
{
GL.Color3(Color.White);
for (int i = 0; i < dm.polygon.Count; i++) {
if (dm.polygon[i].flags == (int)FaceFlags.NO_COLLIDE) {
if (editor.m_vis_type == VisibilityType.NO_RENDER || editor.m_vis_type == VisibilityType.NORMAL_ONLY) {
continue;
}
GL.Color3(Color.LightYellow);
} else if (dm.polygon[i].flags == (int)FaceFlags.NO_RENDER) {
if (editor.m_vis_type == VisibilityType.NO_COLLIDE || editor.m_vis_type == VisibilityType.NORMAL_ONLY) {
continue;
}
GL.Color3(Color.LightPink);
} else if (dm.polygon[i].flags == (int)FaceFlags.NO_COLLIDE + (int)FaceFlags.NO_RENDER) {
// This is a pointless face
GL.Color3(Color.DarkRed);
} else {
GL.Color3(dm.GetPolyColor(dm.polygon[i]));
}
if (dm.m_tex_gl_id == null || dm.polygon[i].tex_index >= dm.m_tex_gl_id.Count) {
// Set nothing, "invalid" texture
GL.BindTexture(TextureTarget.Texture2D, -1);
} else if (dm.polygon[i].tex_index < 0 || dm.m_tex_gl_id[dm.polygon[i].tex_index] < 0) {
GL.BindTexture(TextureTarget.Texture2D, -1);
} else if (tex_id != dm.m_tex_gl_id[dm.polygon[i].tex_index]) {
tex_id = dm.m_tex_gl_id[dm.polygon[i].tex_index];
GL.BindTexture(TextureTarget.Texture2D, tex_id);
}
GL.Begin(PrimitiveType.Polygon);
CreatePolygon(dm.polygon[i], dm);
GL.End();
}
}
GL.EndList();
GL.PopMatrix();
}