- schedule texture key change to next update() iteration

modules/core/kivent_core/gameworld.pyx

@@ -131,6 +131,7 @@ class GameWorld(Widget):
         super(GameWorld, self).__init__(**kwargs)
         self.states = {}
         self.state_callbacks = {}
+        self.before_update_callbacks = []
         self.managers = {}
         self.entity_manager = None
         self.entities = None
@@ -496,6 +497,9 @@ class GameWorld(Widget):
         entity.load_order = []
         entity_manager.remove_entity(entity_id)
 
+    def schedule_once(self, fn):
+        self.before_update_callbacks.append(fn)
+
     def update(self, dt):
         '''
         Args:
@@ -510,6 +514,11 @@ class GameWorld(Widget):
         cdef SystemManager system_manager = self.system_manager
         cdef list systems = system_manager.systems
         cdef GameSystem system
+
+        for f in self.before_update_callbacks:
+            f()
+        self.before_update_callbacks = []
+
         for system_index in system_manager._update_order:
             system = systems[system_index]
             if system.updateable and not system.paused:

modules/core/kivent_core/systems/renderers.pyx

@@ -144,31 +144,36 @@ cdef class RenderComponent(MemComponent):
                     component_data.texkey)
 
         def __set__(self, str value):
+            def _real_set(str value):
+                cdef RenderStruct* component_data = <RenderStruct*>self.pointer
+                cdef unsigned int groupkey = (
+                    texture_manager.get_groupkey_from_texkey(component_data.texkey))
+                cdef unsigned int texkey = texture_manager.get_texkey_from_name(
+                    value)
+                cdef float u0, v0, u1, v1
+                cdef list uv_list = texture_manager.get_uvs(texkey)
+                u0 = uv_list[0]
+                v0 = uv_list[1]
+                u1 = uv_list[2]
+                v1 = uv_list[3]
+                same_batch = texture_manager.get_texkey_in_group(texkey, groupkey)
+                cdef VertexModel model = <VertexModel>component_data.model
+                cdef Renderer renderer = <Renderer>component_data.renderer
+                if not same_batch:
+                    renderer._unbatch_entity(component_data.entity_id,
+                        component_data)
+                component_data.texkey = texkey
+                model[0].uvs = [u0, v0]
+                model[1].uvs = [u0, v1]
+                model[2].uvs = [u1, v1]
+                model[3].uvs = [u1, v0]
+                if not same_batch:
+                    renderer._batch_entity(component_data.entity_id,
+                        component_data)
+
             cdef RenderStruct* component_data = <RenderStruct*>self.pointer
-            cdef unsigned int groupkey = (
-                texture_manager.get_groupkey_from_texkey(component_data.texkey))
-            cdef unsigned int texkey = texture_manager.get_texkey_from_name(
-                value)
-            cdef float u0, v0, u1, v1
-            cdef list uv_list = texture_manager.get_uvs(texkey)
-            u0 = uv_list[0]
-            v0 = uv_list[1]
-            u1 = uv_list[2]
-            v1 = uv_list[3]
-            same_batch = texture_manager.get_texkey_in_group(texkey, groupkey)
-            cdef VertexModel model = <VertexModel>component_data.model
             cdef Renderer renderer = <Renderer>component_data.renderer
-            if not same_batch:
-                renderer._unbatch_entity(component_data.entity_id,
-                    component_data)
-            component_data.texkey = texkey
-            model[0].uvs = [u0, v0]
-            model[1].uvs = [u0, v1]
-            model[2].uvs = [u1, v1]
-            model[3].uvs = [u1, v0]
-            if not same_batch:
-                renderer._batch_entity(component_data.entity_id,
-                    component_data)
+            renderer.gameworld.schedule_once(partial(_real_set, value))
 
 
     property render:
@@ -1341,4 +1346,4 @@ Factory.register('RotateColorRenderer', cls=RotateColorRenderer)
 Factory.register('ColorRenderer', cls=ColorRenderer)
 Factory.register('PolyRenderer', cls=PolyRenderer)
 Factory.register('ColorPolyRenderer', cls=ColorPolyRenderer)
-Factory.register('ScaledPolyRenderer', cls=ScaledPolyRenderer)
+Factory.register('ScaledPolyRenderer', cls=ScaledPolyRenderer)