Better extend_struct

launcher/src/ui/color.cpp

@@ -78,6 +78,6 @@ void Frame::patch_colors(ImGuiStyle &style) {
     };
     for (const int target_color : target_colors_modify) {
         ImVec4 &color = style.Colors[target_color];
-        color.z = color.x;
+        color.y = color.z = color.x;
     }
 }

launcher/src/ui/frame.cpp

@@ -35,7 +35,6 @@ Frame::~Frame() {
 // Run Loop
 int Frame::run() {
     int ret = 0;
-    constexpr ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
     while (!glfwWindowShouldClose(window) && ret == 0) {
         glfwPollEvents();
         // Update Style
@@ -61,8 +60,6 @@ int Frame::run() {
         ImGui::End();
         // Render To OpenGL
         ImGui::Render();
-        glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
-        glClear(GL_COLOR_BUFFER_BIT);
         ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
         glfwSwapBuffers(window);
     }

mods/include/mods/extend/extend.h

@@ -41,7 +41,7 @@ template <typename Self, typename Data>
 Data *extend_get_data(Self *self) {
     return (Data *) (self + 1);
 }
-template <typename Self, typename Data>
+template <typename Data, typename Self = typename Data::_Self>
 auto extend_struct(auto&&... args) -> decltype(Self::allocate()) {
     constexpr size_t size = sizeof(Self) + sizeof(Data);
     Self *out = (Self *) ::operator new(size);
@@ -53,11 +53,12 @@ auto extend_struct(auto&&... args) -> decltype(Self::allocate()) {
 // Helpers
 #define CREATE_HELPER(name) \
     struct Custom##name { \
+        using _Self = name; \
         explicit Custom##name(auto&&... args): self(((name *) this) - 1) { \
             self->constructor(std::forward<decltype(args)>(args)...); \
             self->vtable = get_vtable(); \
         } \
-        name *const self; \
+        _Self *const self; \
         static name##_vtable *get_vtable(); \
     private: \
         static void setup_vtable(name##_vtable *vtable); \

mods/src/chat/ui.cpp

@@ -115,7 +115,7 @@ struct ChatScreen final : TextInputScreen {
     }
 };
 static Screen *create_chat_screen() {
-    return extend_struct<Screen, ChatScreen>();
+    return extend_struct<ChatScreen>();
 }
 
 // Init

mods/src/game-mode/ui.cpp

@@ -136,7 +136,7 @@ struct CreateWorldScreen final : TextInputScreen {
     }
 };
 static Screen *create_create_world_screen() {
-    return extend_struct<Screen, CreateWorldScreen>();
+    return extend_struct<CreateWorldScreen>();
 }
 
 // Unique Level Name (https://github.com/ReMinecraftPE/mcpe/blob/d7a8b6baecf8b3b050538abdbc976f690312aa2d/source/client/gui/screens/CreateWorldScreen.cpp#L65-L83)

mods/src/options/info.cpp

@@ -265,5 +265,5 @@ struct InfoScreen final : CustomScreen {
 
 // Create Screen
 Screen *_create_options_info_screen() {
-    return extend_struct<Screen, InfoScreen>();
+    return extend_struct<InfoScreen>();
 }

mods/src/textures/lava.cpp

@@ -69,7 +69,7 @@ struct LavaTexture final : CustomDynamicTexture {
     }
 };
 static DynamicTexture *create_lava_texture() {
-    return extend_struct<DynamicTexture, LavaTexture>();
+    return extend_struct<LavaTexture>();
 }
 
 // LavaSideTexture
@@ -135,7 +135,7 @@ struct LavaSideTexture final : CustomDynamicTexture {
     }
 };
 static DynamicTexture *create_lava_side_texture() {
-    return extend_struct<DynamicTexture, LavaSideTexture>();
+    return extend_struct<LavaSideTexture>();
 }
 
 // FireTexture
@@ -195,7 +195,7 @@ struct FireTexture final : CustomDynamicTexture {
     }
 };
 static DynamicTexture *create_fire_texture(const int a2) {
-    return extend_struct<DynamicTexture, FireTexture>(a2);
+    return extend_struct<FireTexture>(a2);
 }
 
 // Add Textures

mods/src/title-screen/welcome.cpp

@@ -124,7 +124,7 @@ struct WelcomeScreen final : CustomScreen {
     }
 };
 static Screen *create_welcome_screen() {
-    return extend_struct<Screen, WelcomeScreen>();
+    return extend_struct<WelcomeScreen>();
 }
 
 // Show Welcome Screen