Fix many "no valid images found to bake to" bugs

korman/exporter/mesh.py

@@ -293,7 +293,15 @@ class MeshConverter:
         return geospans
 
     def _export_static_lighting(self, bo):
-        context = {"active_object": bo, "object": bo}
+        context = {"active_object": bo,
+                   "area": bpy.context.area,
+                   "blend_data": bpy.context.blend_data,
+                   "object": bo,
+                   "region": bpy.context.region,
+                   "scene": bpy.context.scene,
+                   "screen": bpy.context.screen,
+                   "window": bpy.context.window}
+
         if bo.plasma_modifiers.lightmap.enabled:
             print("    Baking lightmap...")
             print("====")

korman/operators/op_lightmap.py

@@ -105,11 +105,15 @@ class LightmapAutobakeOperator(_LightingOperator, bpy.types.Operator):
             for uvtex in mesh.uv_textures:
                 if uvtex.name == "LIGHTMAPGEN":
                     toggle.track(mesh.uv_textures, "active", uvtex)
+                    toggle.track(uvtex, "active_render", True)
                     break
+                else:
+                    toggle.track(uvtex, "active_render", False)
             else:
                 # Gotta make it
                 uvtex = mesh.uv_textures.new("LIGHTMAPGEN")
                 toggle.track(mesh.uv_textures, "active", uvtex)
+                toggle.track(uvtex, "active_render", True)
     
             # Now, enter edit mode on this mesh and unwrap.
             bpy.ops.object.mode_set(mode="EDIT")
@@ -177,6 +181,11 @@ class VertexColorLightingOperator(_LightingOperator, bpy.types.Operator):
                 mesh.vertex_colors.new("autocolor")
             toggle.track(mesh.vertex_colors, "active", autocolor)
 
+            # Mark "autocolor" as our active render layer
+            for vcol_layer in mesh.vertex_colors:
+                autocol = vcol_layer.name == "autocolor"
+                toggle.track(vcol_layer, "active_render", autocol)
+
             # Bake settings
             render = context.scene.render
             toggle.track(render, "use_bake_to_vertex_color", True)