The Compiler Strikes Back!

dependencies/symbol-processor/src

@@ -1 +1 @@
-Subproject commit eb49f25fa45842ebff448cbadd347c883e66efb6
+Subproject commit 8249a305df07a0b087b44341afa8c3b27ad7a156

libreborn/include/libreborn/patch.h

@@ -4,6 +4,9 @@
 
 #if defined(REBORN_HAS_PATCH_CODE) && defined(__cplusplus)
 
+#include <string>
+#include <functional>
+
 // Init
 void reborn_init_patch();
 
@@ -12,58 +15,25 @@ void _overwrite_call(const char *file, int line, void *start, void *target);
 #define overwrite_call(...) \
     _overwrite_call(__FILE__, __LINE__, __VA_ARGS__)
 
-// Make Sure Function Is Only Called Once
-template <int>
-static void _only_call_once() {
-    static bool _has_run = false;
-    if (_has_run) {
-        ERR("\"Fancy\" overwrite*() Functions Can Only Be Called Once");
-    }
-    _has_run = true;
-}
-
 // Replace All Calls To Method start With target
 void *_overwrite_calls_manual(const char *file, int line, void *start, void *target);
 #define overwrite_calls_manual(...) \
     _overwrite_calls_manual(__FILE__, __LINE__, __VA_ARGS__)
-template <int call_id, typename start_t, typename overwrite_t>
+template <typename overwrite_t>
-static void _overwrite_calls(const char *file, int line, start_t (*create_helper)(overwrite_t, start_t), start_t &start, overwrite_t target) {
+static void _overwrite_calls(const char *file, int line, std::string (*set_overwrite)(const overwrite_t &, const std::function<void *(void *, void *)> &), const overwrite_t &target) {
-    _only_call_once<call_id>();
+    std::string ret = set_overwrite(target, [&file, &line](void *start, void *target2) {
-    start_t helper = create_helper(target, start);
+        return _overwrite_calls_manual(file, line, start, target2);
-    start = (start_t) _overwrite_calls_manual(file, line, (void *) start, (void *) helper);
+    });
+    if (!ret.empty()) {
+        ERR("%s", ret.c_str());
+    }
 }
 #define overwrite_calls(start, ...) \
     _overwrite_calls< \
-        __COUNTER__, \
-        start##_t, \
         __overwrite_##start##_t \
     >( \
         __FILE__, __LINE__, \
-        __create_overwrite_helper_for_##start, \
+        __set_overwrite_for_##start, \
-        start, \
-        __VA_ARGS__ \
-    )
-
-// Replace All Calls To Virtual Method start With target
-template <int call_id, typename start_t, typename overwrite_t>
-static void _overwrite_virtual_calls(const char *file, int line, start_t (*create_helper)(overwrite_t, start_t), bool (*is_overwritable)(), start_t start, overwrite_t target) {
-    _only_call_once<call_id>();
-    if (!is_overwritable()) {
-        ERR("Virtual Method Is Not Overwritable");
-    }
-    start_t helper = create_helper(target, start);
-    _overwrite_calls_manual(file, line, (void *) start, (void *) helper);
-}
-#define overwrite_virtual_calls(start, ...) \
-    _overwrite_virtual_calls< \
-        __COUNTER__, \
-        start##_t, \
-        __overwrite_##start##_t \
-    >( \
-        __FILE__, __LINE__, \
-        __create_overwrite_helper_for_##start, \
-        __is_overwritable_##start, \
-        *start##_vtable_addr, \
         __VA_ARGS__ \
     )
 
@@ -77,7 +47,7 @@ void _overwrite_calls_within(const char *file, int line, void *from, void *to, s
 }
 #define overwrite_calls_within(from, to, start, ...) \
     _overwrite_calls_within< \
-        start##_t \
+        __raw_##start##_t \
     >( \
         __FILE__, __LINE__, \
         from, to, \
@@ -98,7 +68,7 @@ void _overwrite(const char *file, int line, start_t start, start_t target) {
 }
 #define overwrite(start, ...) \
     _overwrite< \
-        start##_t \
+        __raw_##start##_t \
     >( \
         __FILE__, __LINE__, \
         start, \
@@ -123,7 +93,7 @@ void _patch_vtable(const char *file, int line, start_t *start, start_t target) {
 }
 #define patch_vtable(start, ...) \
     _patch_vtable< \
-        start##_t \
+        __raw_##start##_t \
     >( \
         __FILE__, __LINE__, \
         start##_vtable_addr, \

mods/include/mods/misc/misc.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <cstdint>
+#include <functional>
 
 #include <symbols/minecraft.h>
 
@@ -14,47 +15,11 @@ void misc_run_on_creative_inventory_setup(misc_update_function_FillingContainer_
 extern bool is_in_chat;
 }
 
-#define misc_run_on_update(...) \
+void misc_run_on_update(const std::function<void(Minecraft *)> &func);
-    overwrite_virtual_calls(Minecraft_update, [](Minecraft_update_t _original, Minecraft *_self) { \
+void misc_run_on_tick(const std::function<void(Minecraft *)> &func);
-        _original(_self); \
+void misc_run_on_recipes_setup(const std::function<void(Recipes *)> &func);
-        (__VA_ARGS__)(_self); \
+void misc_run_on_furnace_recipes_setup(const std::function<void(FurnaceRecipes *)> &func);
-    })
+void misc_run_on_tiles_setup(const std::function<void()> &func);
-#define misc_run_on_tick(...) \
+void misc_run_on_items_setup(const std::function<void()> &func);
-    overwrite_calls(Minecraft_tick, [](Minecraft_tick_t _original, Minecraft *_self, int _tick, int _max_ticks) { \
+void misc_run_on_language_setup(const std::function<void()> &func);
-        _original(_self, _tick, _max_ticks); \
+void misc_run_on_game_key_press(const std::function<bool(Minecraft *, int)> &func);
-        (__VA_ARGS__)(_self); \
-    })
-#define misc_run_on_recipes_setup(...) \
-    overwrite_calls(Recipes_constructor, [](Recipes_constructor_t _original, Recipes *_self) { \
-        _original(_self); \
-        (__VA_ARGS__)(_self); \
-        return _self; \
-    })
-#define misc_run_on_furnace_recipes_setup(...) \
-    overwrite_calls(FurnaceRecipes_constructor, [](FurnaceRecipes_constructor_t _original, FurnaceRecipes *_self) { \
-        _original(_self); \
-        (__VA_ARGS__)(_self); \
-        return _self; \
-    })
-#define misc_run_on_tiles_setup(...) \
-    overwrite_calls(Tile_initTiles, [](Tile_initTiles_t _original) { \
-        (__VA_ARGS__)(); \
-        _original(); \
-    })
-#define misc_run_on_items_setup(...) \
-    overwrite_calls(Item_initItems, [](Item_initItems_t _original) { \
-        _original(); \
-        (__VA_ARGS__)(); \
-    })
-#define misc_run_on_language_setup(...) \
-    overwrite_calls(I18n_loadLanguage, [](I18n_loadLanguage_t _original, AppPlatform *_self, std::string _language_name) { \
-        _original(_self, _language_name); \
-        (__VA_ARGS__)(); \
-    })
-#define misc_run_on_game_key_press(...) \
-    overwrite_calls(Gui_handleKeyPressed, [](Gui_handleKeyPressed_t _original, Gui *_self, int _key) { \
-        if ((__VA_ARGS__)(_self->minecraft, _key)) { \
-            return; \
-        } \
-        _original(_self, _key); \
-    })

mods/src/bucket/bucket.cpp

@@ -355,7 +355,7 @@ void init_bucket() {
         // Change Max Stack Size Based On Auxiliary
         overwrite_calls(ItemInstance_getMaxStackSize, ItemInstance_getMaxStackSize_injection);
         // Enable milking
-        overwrite_virtual_calls(Cow_interact, Cow_interact_injection);
+        overwrite_calls(Cow_interact, Cow_interact_injection);
         // Creative Inventory
         misc_run_on_creative_inventory_setup(Inventory_setupDefault_FillingContainer_addItem_call_injection);
         // Make Liquids Selectable

mods/src/camera/camera.cpp

@@ -36,7 +36,7 @@ static void TripodCamera_tick_Level_addParticle_call_injection(Level *level, std
 // Init
 void init_camera() {
     // Implement AppPlatform_linux::saveScreenshot So Cameras Work
-    overwrite_virtual_calls(AppPlatform_saveScreenshot, AppPlatform_saveScreenshot_injection);
+    overwrite_calls(AppPlatform_saveScreenshot, AppPlatform_saveScreenshot_injection);
 
     // Fix Camera Rendering
     if (feature_has("Fix Camera Rendering", server_disabled)) {

mods/src/death/death.cpp

@@ -131,10 +131,10 @@ void init_death() {
         patch_vtable(ServerPlayer_die, [](ServerPlayer *player, Entity *cause) {
             ServerPlayer_die_injection(*Player_die_vtable_addr, player, cause);
         });
-        overwrite_virtual_calls(LocalPlayer_die, LocalPlayer_die_injection);
+        overwrite_calls(LocalPlayer_die, LocalPlayer_die_injection);
         patch_vtable(LocalPlayer_actuallyHurt, LocalPlayer_actuallyHurt_injection);
         patch_vtable(ServerPlayer_actuallyHurt, ServerPlayer_actuallyHurt_injection);
-        overwrite_virtual_calls(Mob_hurt, Mob_hurt_injection);
+        overwrite_calls(Mob_hurt, Mob_hurt_injection);
     }
 
     // Fix TNT

mods/src/game-mode/ui.cpp

@@ -252,6 +252,6 @@ create_SelectWorldScreen_tick_injection(Touch_)
 // Init
 void _init_game_mode_ui() {
     // Hijack Create World Button
-    overwrite_virtual_calls(SelectWorldScreen_tick, SelectWorldScreen_tick_injection);
+    overwrite_calls(SelectWorldScreen_tick, SelectWorldScreen_tick_injection);
-    overwrite_virtual_calls(Touch_SelectWorldScreen_tick, Touch_SelectWorldScreen_tick_injection);
+    overwrite_calls(Touch_SelectWorldScreen_tick, Touch_SelectWorldScreen_tick_injection);
 }

mods/src/input/attack.cpp

@@ -56,7 +56,7 @@ static ItemInstance *Player_attack_Inventory_getSelected_injection(Inventory *in
 void _init_attack() {
     // Allow Attacking Mobs
     if (feature_has("Fix Attacking", server_disabled)) {
-        overwrite_virtual_calls(MouseBuildInput_tickBuild, MouseBuildInput_tickBuild_injection);
+        overwrite_calls(MouseBuildInput_tickBuild, MouseBuildInput_tickBuild_injection);
 
         // Fix Holding Attack
         overwrite_call((void *) 0x8fc1c, (void *) Player_attack_Entity_hurt_injection);

mods/src/misc/api.cpp

@@ -38,6 +38,60 @@ static void Inventory_setupDefault_FillingContainer_addItem_call_injection(Filli
     handle_misc_creative_inventory_setup(filling_container);
 }
 
+// API
+void misc_run_on_update(const std::function<void(Minecraft *)> &func) {
+    overwrite_calls(Minecraft_update, [func](Minecraft_update_t original, Minecraft *self) {
+        original(self);
+        func(self);
+    });
+}
+void misc_run_on_tick(const std::function<void(Minecraft *)> &func) {
+    overwrite_calls(Minecraft_tick, [func](Minecraft_tick_t original, Minecraft *self, int tick, int max_ticks) {
+        original(self, tick, max_ticks);
+        func(self);
+    });
+}
+void misc_run_on_recipes_setup(const std::function<void(Recipes *)> &func) {
+    overwrite_calls(Recipes_constructor, [func](Recipes_constructor_t original, Recipes *self) {
+        original(self);
+        func(self);
+        return self;
+    });
+}
+void misc_run_on_furnace_recipes_setup(const std::function<void(FurnaceRecipes *)> &func) {
+    overwrite_calls(FurnaceRecipes_constructor, [func](FurnaceRecipes_constructor_t original, FurnaceRecipes *self) {
+        original(self);
+        func(self);
+        return self;
+    });
+}
+void misc_run_on_tiles_setup(const std::function<void()> &func) {
+    overwrite_calls(Tile_initTiles, [func](Tile_initTiles_t original) {
+        func();
+        original();
+    });
+}
+void misc_run_on_items_setup(const std::function<void()> &func) {
+    overwrite_calls(Item_initItems, [func](Item_initItems_t original) {
+        original();
+        func();
+    });
+}
+void misc_run_on_language_setup(const std::function<void()> &func) {
+    overwrite_calls(I18n_loadLanguage, [func](I18n_loadLanguage_t original, AppPlatform *self, std::string language_name) {
+        original(self, language_name);
+        func();
+    });
+}
+void misc_run_on_game_key_press(const std::function<bool(Minecraft *, int)> &func) {
+    overwrite_calls(Gui_handleKeyPressed, [func](Gui_handleKeyPressed_t original, Gui *self, int key) {
+        if (func(self->minecraft, key)) {
+            return;
+        }
+        original(self, key);
+    });
+}
+
 // Render Fancy Background
 void misc_render_background(int color, Minecraft *minecraft, int x, int y, int width, int height) {
     // https://github.com/ReMinecraftPE/mcpe/blob/f0d65eaecec1b3fe9c2f2b251e114a890c54ab77/source/client/gui/components/RolledSelectionList.cpp#L169-L179

mods/src/misc/misc.cpp

@@ -463,8 +463,8 @@ static void RandomLevelSource_buildSurface_injection(RandomLevelSource_buildSurf
 }
 
 // No Block Tinting
-template <typename T, typename S>
+template <typename T>
-static int32_t Tile_getColor_injection(__attribute__((unused)) T original, __attribute__((unused)) S *self, __attribute__((unused)) LevelSource *level_source, __attribute__((unused)) int x, __attribute__((unused)) int y, __attribute__((unused)) int z) {
+static int32_t Tile_getColor_injection(__attribute__((unused)) std::function<int(T *, LevelSource *, int, int, int)> original, __attribute__((unused)) T *self, __attribute__((unused)) LevelSource *level_source, __attribute__((unused)) int x, __attribute__((unused)) int y, __attribute__((unused)) int z) {
     return 0xffffff;
 }
 
@@ -796,10 +796,10 @@ void init_misc() {
     }
 
     // Fix Screen Rendering When GUI is Hidden
-    overwrite_virtual_calls(Screen_render, Screen_render_injection);
+    overwrite_calls(Screen_render, Screen_render_injection);
 
     // Sanitize Username
-    overwrite_virtual_calls(LoginPacket_read, LoginPacket_read_injection);
+    overwrite_calls(LoginPacket_read, LoginPacket_read_injection);
 
     // Fix RakNet::RakString Security Bug
     overwrite_calls_manual((void *) RakNet_RakString_constructor, (void *) RakNet_RakString_injection);
@@ -812,7 +812,7 @@ void init_misc() {
 
     // Close Current Screen On Death To Prevent Bugs
     if (feature_has("Close Current Screen On Death", server_disabled)) {
-        overwrite_virtual_calls(LocalPlayer_die, LocalPlayer_die_injection);
+        overwrite_calls(LocalPlayer_die, LocalPlayer_die_injection);
     }
 
     // Fix Furnace Not Checking Item Auxiliary When Inserting New Item
@@ -875,7 +875,7 @@ void init_misc() {
     // Change Grass Color
     if (feature_has("Add Biome Colors To Grass", server_disabled)) {
         patch_vtable(GrassTile_getColor, GrassTile_getColor_injection);
-        overwrite_virtual_calls(TallGrass_getColor, TallGrass_getColor_injection);
+        overwrite_calls(TallGrass_getColor, TallGrass_getColor_injection);
     }
 
     // Generate Caves
@@ -885,11 +885,11 @@ void init_misc() {
 
     // Disable Block Tinting
     if (feature_has("Disable Block Tinting", server_disabled)) {
-        overwrite_virtual_calls(GrassTile_getColor, Tile_getColor_injection);
+        overwrite_calls(GrassTile_getColor, Tile_getColor_injection<GrassTile>);
-        overwrite_virtual_calls(TallGrass_getColor, Tile_getColor_injection);
+        overwrite_calls(TallGrass_getColor, Tile_getColor_injection<TallGrass>);
-        overwrite_virtual_calls(StemTile_getColor, Tile_getColor_injection);
+        overwrite_calls(StemTile_getColor, Tile_getColor_injection<StemTile>);
-        overwrite_virtual_calls(LeafTile_getColor, Tile_getColor_injection);
+        overwrite_calls(LeafTile_getColor, Tile_getColor_injection<LeafTile>);
-        overwrite_virtual_calls(LiquidTile_getColor, Tile_getColor_injection);
+        overwrite_calls(LiquidTile_getColor, Tile_getColor_injection<LiquidTile>);
     }
 
     // Custom GUI Scale
@@ -924,7 +924,7 @@ void init_misc() {
 
         // Animation
         overwrite_calls(ContainerMenu_constructor, ContainerMenu_injection);
-        overwrite_virtual_calls(ContainerMenu_destructor_complete, ContainerMenu_destructor_injection);
+        overwrite_calls(ContainerMenu_destructor_complete, ContainerMenu_destructor_injection);
     }
     patch_address((void *) 0x115b48, (void *) ChestTileEntity_shouldSave_injection);
 
@@ -951,7 +951,7 @@ void init_misc() {
 
     // Java Light Ramp
     if (feature_has("Use Java Beta 1.3 Light Ramp", server_disabled)) {
-        overwrite_virtual_calls(Dimension_updateLightRamp, Dimension_updateLightRamp_injection);
+        overwrite_calls(Dimension_updateLightRamp, Dimension_updateLightRamp_injection);
     }
 
     // Fix used items transferring durability
@@ -970,18 +970,18 @@ void init_misc() {
 
     // Implement AppPlatform::readAssetFile So Translations Work
     if (feature_has("Load Language Files", server_enabled)) {
-        overwrite_virtual_calls(AppPlatform_readAssetFile, AppPlatform_readAssetFile_injection);
+        overwrite_calls(AppPlatform_readAssetFile, AppPlatform_readAssetFile_injection);
     }
 
     // Fix Pause Menu
     if (feature_has("Fix Pause Menu", server_disabled)) {
         // Add Missing Buttons To Pause Menu
-        overwrite_virtual_calls(PauseScreen_init, PauseScreen_init_injection);
+        overwrite_calls(PauseScreen_init, PauseScreen_init_injection);
     }
 
     // Implement Crafting Remainders
     overwrite_call((void *) 0x2e230, (void *) PaneCraftingScreen_craftSelectedItem_PaneCraftingScreen_recheckRecipes_injection);
-    overwrite_virtual_calls(Item_getCraftingRemainingItem, Item_getCraftingRemainingItem_injection);
+    overwrite_calls(Item_getCraftingRemainingItem, Item_getCraftingRemainingItem_injection);
 
     // Replace 2011 std::sort With Optimized(TM) Code
     if (feature_has("Optimized Chunk Sorting", server_enabled)) {

mods/src/multiplayer/multiplayer.cpp

@@ -130,6 +130,6 @@ static void RakNetInstance_pingForHosts_injection(RakNetInstance_pingForHosts_t
 void init_multiplayer() {
     // Inject Code
     if (feature_has("External Server Support", server_disabled)) {
-        overwrite_virtual_calls(RakNetInstance_pingForHosts, RakNetInstance_pingForHosts_injection);
+        overwrite_calls(RakNetInstance_pingForHosts, RakNetInstance_pingForHosts_injection);
     }
 }

mods/src/options/options.cpp

@@ -167,7 +167,7 @@ void init_options() {
 
     // Set Options
     overwrite_calls(Options_initDefaultValue, Options_initDefaultValue_injection);
-    overwrite_virtual_calls(Minecraft_init, Minecraft_init_injection);
+    overwrite_calls(Minecraft_init, Minecraft_init_injection);
 
     // Change Username
     const char *username = get_username();

mods/src/options/ui.cpp

@@ -186,12 +186,12 @@ void _init_options_ui() {
     // Info Button
     if (feature_has("Add Reborn Info To Options", server_disabled)) {
         // Add Button
-        overwrite_virtual_calls(OptionsScreen_init, OptionsScreen_init_injection);
+        overwrite_calls(OptionsScreen_init, OptionsScreen_init_injection);
         // Position Button
-        overwrite_virtual_calls(OptionsScreen_setupPositions, OptionsScreen_setupPositions_injection);
+        overwrite_calls(OptionsScreen_setupPositions, OptionsScreen_setupPositions_injection);
         // Handle Click
-        overwrite_virtual_calls(OptionsScreen_buttonClicked, OptionsScreen_buttonClicked_injection);
+        overwrite_calls(OptionsScreen_buttonClicked, OptionsScreen_buttonClicked_injection);
         // Cleanup
-        overwrite_virtual_calls(OptionsScreen_removed, OptionsScreen_removed_injection);
+        overwrite_calls(OptionsScreen_removed, OptionsScreen_removed_injection);
     }
 }

mods/src/server/server.cpp

@@ -568,7 +568,7 @@ static void server_init() {
     unsigned char max_players_patch[4] = {get_max_players(), 0x30, 0xa0, 0xe3}; // "mov r3, #MAX_PLAYERS"
     patch((void *) 0x166d0, max_players_patch);
     // Custom Banned IP List
-    overwrite_virtual_calls(RakNet_RakPeer_IsBanned, RakNet_RakPeer_IsBanned_injection);
+    overwrite_calls(RakNet_RakPeer_IsBanned, RakNet_RakPeer_IsBanned_injection);
 
     // Show The MineCon Icon Next To MOTD In Server List
     if (get_server_properties().get_bool("show-minecon-badge", DEFAULT_SHOW_MINECON_BADGE)) {

mods/src/textures/headless.cpp

@@ -19,5 +19,5 @@ static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) A
 // Init
 void init_textures() {
     // Disable Texture Loading
-    overwrite_virtual_calls(AppPlatform_linux_loadTexture, AppPlatform_linux_loadTexture_injection);
+    overwrite_calls(AppPlatform_linux_loadTexture, AppPlatform_linux_loadTexture_injection);
 }

mods/src/textures/textures.cpp

@@ -234,5 +234,5 @@ void init_textures() {
     overwrite_call((void *) 0x53274, (void *) Textures_tick_glTexSubImage2D_injection);
 
     // Load Textures
-    overwrite_virtual_calls(AppPlatform_linux_loadTexture, AppPlatform_linux_loadTexture_injection);
+    overwrite_calls(AppPlatform_linux_loadTexture, AppPlatform_linux_loadTexture_injection);
 }

mods/src/title-screen/title-screen.cpp

@@ -133,7 +133,7 @@ void init_title_screen() {
     // Improved Classic Title Screen
     if (feature_has("Improved Classic Title Screen", server_disabled)) {
         // Add Options Button Back To Classic Start Screen
-        overwrite_virtual_calls(StartMenuScreen_init, StartMenuScreen_init_injection);
+        overwrite_calls(StartMenuScreen_init, StartMenuScreen_init_injection);
 
         // Fix Classic UI Button Size
         unsigned char classic_button_height_patch[4] = {0x18, 0x30, 0xa0, 0xe3}; // "mov r3, #0x18"
@@ -157,7 +157,7 @@ void init_title_screen() {
         patch_address((void *) &Strings::classic_create_button_text, (void *) "Quit");
 
         // Add Functionality To Quit Button
-        overwrite_virtual_calls(StartMenuScreen_buttonClicked, StartMenuScreen_buttonClicked_injection);
+        overwrite_calls(StartMenuScreen_buttonClicked, StartMenuScreen_buttonClicked_injection);
     }
 
     // Add Splashes