Scene loading/saving improvements, transform gizmo, entity creation

metaprogram.jai

@@ -237,6 +237,40 @@ generate_code :: (w: Workspace) {
         entity_storage_string = builder_to_string(*builder);
     }
 
+    {
+        builder: String_Builder;
+
+        for entity_type_names {
+            print_to_builder(*builder, "scene.by_type._%1.allocator = scene.allocator;", it);
+        }
+        
+        build_string := sprint(INIT_SCENE, builder_to_string(*builder));
+        add_build_string(build_string, w);
+    }
+
+    {
+        builder: String_Builder;
+
+        for entity_type_names {
+            lower := to_lower_copy_new(it,, allocator=temp);
+            print_to_builder(*builder, "if ui_clickable_label(\"New %1\") return new_%2();", it, lower);;
+        }
+        
+        build_string := sprint(EDITOR_UI_ENTITY_CREATION, builder_to_string(*builder));
+        add_build_string(build_string, w);
+    }
+
+    {
+        builder: String_Builder;
+
+        for entity_type_names {
+            print_to_builder(*builder, "\tcase %1; bucket_array_remove(*e.scene.by_type._%1, e._locator);", it);
+        }
+        
+        build_string := sprint(DELETE_ENTITY, builder_to_string(*builder));
+        add_build_string(build_string, w);
+    }
+
     {
         builder: String_Builder;
 
@@ -252,12 +286,13 @@ generate_code :: (w: Workspace) {
         builder: String_Builder;
 
         for entity_type_names {
-            print_to_builder(*builder, "\tcase \"%1\"; p, locator := find_and_occupy_empty_slot(*scene.by_type._%1); p._locator = locator; e = p; register_entity(scene, p); init_entity(p); deserialize_entity(scene, lines, cast(*%1)e); update_matrix(*e.transform);\n", it);
+            print_to_builder(*builder, "\tcase \"%1\"; p, locator := find_and_occupy_empty_slot(*scene.by_type._%1); p._locator = locator; e = p; register_entity(scene, p, id); init_entity(p); deserialize_entity(scene, lines, cast(*%1)e); update_matrix(*e.transform);\n", it);
         }
         
         build_string := sprint(DESERIALIZE_ENTITY, builder_to_string(*builder));
         add_build_string(build_string, w);
     }
+
     {
         builder: String_Builder;
 
@@ -301,6 +336,15 @@ Entity_Storage :: struct {
 }
 DONE
 
+DELETE_ENTITY :: #string DONE
+delete_entity :: (e: *Entity) {
+    if e.type == {
+        %1
+    }
+}
+
+DONE
+
 SERIALIZE_ENTITY :: #string DONE
 serialize_entity :: (e: *Entity, path: string) {
     builder: String_Builder;
@@ -315,7 +359,7 @@ serialize_entity :: (e: *Entity, path: string) {
 DONE
 
 DESERIALIZE_ENTITY :: #string DONE
-deserialize_entity :: (scene: *Scene, path: string) -> *Entity {
+deserialize_entity :: (scene: *Scene, id: Entity_Id, path: string) -> *Entity {
     content := File.read_entire_file(path);
     if content.count == 0 return null;
 
@@ -335,3 +379,18 @@ deserialize_entity :: (scene: *Scene, path: string) -> *Entity {
     return e;
 }
 DONE
+
+INIT_SCENE :: #string DONE
+init_scene :: (scene: *Scene) {
+    %1
+}
+DONE
+
+
+EDITOR_UI_ENTITY_CREATION :: #string DONE
+editor_ui_entity_creation :: () -> *Entity {
+    %1
+
+    return null;
+}
+DONE