docs/CHANGELOG.md

@@ -1,10 +1,16 @@
 # Changelog
 
+**3.0.0**
+* Add ``Add Cake`` Feature Flag (Enabled By Default)
+* Add Milk Buckets
+* Implement Crafting Remainders
+* Add Death Messages
+
 **2.5.3**
 * Add `Replace Block Highlight With Outline` Feature Flag (Enabled By Default)
-  * By Default, The Outline Width Is Set Using The GUI Scale
+* By Default, The Outline Width Is Set Using The GUI Scale
-  * This Can Be Overridden Using The `MCPI_BLOCK_OUTLINE_WIDTH` Environmental Variable
+* This Can Be Overridden Using The ``MCPI_BLOCK_OUTLINE_WIDTH`` Environmental Variable
-* Added `overwrite_calls_within` Function
+* Added ``overwrite_calls_within`` Function
 
 **2.5.2**
 * Add `3D Chest Model` Feature Flag (Enabled By Default)

launcher/src/client/available-feature-flags

@@ -51,6 +51,7 @@ TRUE Disable Hostile AI In Creative Mode
 TRUE Load Custom Skins
 TRUE 3D Chest Model
 TRUE Replace Block Highlight With Outline
+TRUE Add Cake
 TRUE Use Java Beta 1.3 Light Ramp
 TRUE Send Full Level When Hosting Game
 FALSE Food Overlay

mods/CMakeLists.txt

@@ -35,6 +35,8 @@ set(SRC
     src/options/options.cpp
     # bucket
     src/bucket/bucket.cpp
+    # cake
+    src/cake/cake.cpp
     # home
     src/home/home.c
     # test

mods/include/mods/bucket/bucket.h

@@ -0,0 +1,3 @@
+#pragma once
+
+extern bool buckets_enabled;

mods/include/mods/init/init.h

@@ -33,6 +33,7 @@ void init_death();
 void init_options();
 void init_chat();
 void init_bucket();
+void init_cake();
 void init_home();
 
 #ifdef __cplusplus

mods/include/mods/misc/misc.h

@@ -22,6 +22,7 @@ void misc_run_on_creative_inventory_setup(misc_update_function_FillingContainer_
 typedef void (*misc_update_function_void_t)(void *obj);
 void misc_run_on_tiles_setup(misc_update_function_void_t function); // obj == NULL
 void misc_run_on_items_setup(misc_update_function_void_t function); // obj == NULL
+void misc_run_on_language_setup(misc_update_function_void_t function); // obj == NULL
 typedef bool (*misc_update_function_key_press_t)(Minecraft *minecrtaft, int key);
 void misc_run_on_game_key_press(misc_update_function_key_press_t function); // In-Game Key Presses Only
 

mods/src/bucket/bucket.cpp

@@ -6,31 +6,57 @@
 #include <mods/misc/misc.h>
 
 // Items
-static Item *bucket = NULL;
+static FoodItem *bucket = NULL;
 
 // Description And Texture
-static std::string BucketItem_getDescriptionId(__attribute__((unused)) Item *item, ItemInstance *item_instance) {
+static std::string BucketItem_getDescriptionId(__attribute__((unused)) FoodItem *item, ItemInstance *item_instance) {
     if (item_instance->auxiliary == Tile_water->id) {
         return "item.bucketWater";
     } else if (item_instance->auxiliary == Tile_lava->id) {
         return "item.bucketLava";
+    } else if (item_instance->auxiliary == 1) {
+        return "item.bucketMilk";
     } else {
         return "item.bucket";
     }
 }
-static int32_t BucketItem_getIcon(__attribute__((unused)) Item *item, int32_t auxiliary) {
+static int32_t BucketItem_getIcon(__attribute__((unused)) FoodItem *item, int32_t auxiliary) {
     if (auxiliary == Tile_water->id) {
         return 75;
     } else if (auxiliary == Tile_lava->id) {
         return 76;
+    } else if (auxiliary == 1) {
+        return 77;
     } else {
         return 74;
     }
 }
 
+// Filling
+static bool fill_bucket(ItemInstance *item_instance, Player *player, int new_auxiliary) {
+    bool success = false;
+    if (item_instance->count == 1) {
+        item_instance->auxiliary = new_auxiliary;
+        success = true;
+    } else {
+        ItemInstance new_item;
+        new_item.id = bucket->id;
+        new_item.count = 1;
+        new_item.auxiliary = new_auxiliary;
+        Inventory *inventory = player->inventory;
+        if (inventory->vtable->add(inventory, &new_item)) {
+            // Added To Inventory
+            success = true;
+            item_instance->count -= 1;
+        }
+    }
+    return success;
+}
+
+
 // Use Bucket
-static int32_t BucketItem_useOn(__attribute__((unused)) Item *item, ItemInstance *item_instance, Player *player, Level *level, int32_t x, int32_t y, int32_t z, int32_t hit_side, __attribute__((unused)) float hit_x, __attribute__((unused)) float hit_y, __attribute__((unused)) float hit_z) {
+static int32_t BucketItem_useOn(__attribute__((unused)) FoodItem *item, ItemInstance *item_instance, Player *player, Level *level, int32_t x, int32_t y, int32_t z, int32_t hit_side, __attribute__((unused)) float hit_x, __attribute__((unused)) float hit_y, __attribute__((unused)) float hit_z) {
-    if (item_instance->count < 1) {
+    if (item_instance->count < 1 || item_instance->auxiliary == 1) {
         return 0;
     } else if (item_instance->auxiliary == 0) {
         // Empty Bucket
@@ -43,23 +69,7 @@ static int32_t BucketItem_useOn(__attribute__((unused)) Item *item, ItemInstance
         }
         if (new_auxiliary != 0) {
             // Valid
-            bool success = false;
+            if (fill_bucket(item_instance, player, new_auxiliary)) {
-            if (item_instance->count == 1) {
-                item_instance->auxiliary = new_auxiliary;
-                success = true;
-            } else {
-                ItemInstance new_item;
-                new_item.id = bucket->id;
-                new_item.count = 1;
-                new_item.auxiliary = new_auxiliary;
-                Inventory *inventory = player->inventory;
-                if (inventory->vtable->add(inventory, &new_item)) {
-                    // Added To Inventory
-                    success = true;
-                    item_instance->count -= 1;
-                }
-            }
-            if (success) {
                 Level_setTileAndData(level, x, y, z, 0, 0);
                 return 1;
             } else {
@@ -116,19 +126,68 @@ static int32_t BucketItem_useOn(__attribute__((unused)) Item *item, ItemInstance
     }
 }
 
+static int BucketItem_getUseDuration(__attribute__((unused)) FoodItem *item, ItemInstance *item_instance) {
+    if (item_instance->auxiliary == 1) {
+        return 0x20;
+    }
+    return 0;
+}
+
+static ItemInstance BucketItem_useTimeDepleted(FoodItem *item, ItemInstance *item_instance, Level *level, Player *player) {
+    if (item_instance->auxiliary == 1) {
+        *item_instance = FoodItem_useTimeDepleted_non_virtual(item, item_instance, level, player);
+        // Set it to a empty bucket
+        item_instance->auxiliary = 0;
+        item_instance->count = 1;
+    }
+    return *item_instance;
+}
+
+static int BucketItem_getUseAnimation(__attribute__((unused)) FoodItem *item) {
+    return 2;
+}
+
+static bool BucketItem_isFood(__attribute__((unused)) FoodItem *item) {
+    return true;
+}
+
+static ItemInstance *BucketItem_use(FoodItem *item, ItemInstance *item_instance, __attribute__((unused)) Level *level, Player *player) {
+    if (item_instance->auxiliary == 1) {
+        return (*FoodItem_use_vtable_addr)(item, item_instance, level, player);
+    }
+    return item_instance;
+}
+
+static ItemInstance *BucketItem_getCraftingRemainingItem(FoodItem *item, ItemInstance *item_instance) {
+    if (item_instance->auxiliary == 0) {
+        return NULL;
+    }
+    ItemInstance *ret = alloc_ItemInstance();
+    ret->id = item->id;
+    ret->count = item_instance->count;
+    ret->auxiliary = 0;
+    return ret;
+}
+
 // Bucket VTable
-CUSTOM_VTABLE(bucket, Item) {
+CUSTOM_VTABLE(bucket, FoodItem) {
     vtable->getDescriptionId = BucketItem_getDescriptionId;
     vtable->getIcon = BucketItem_getIcon;
     vtable->useOn = BucketItem_useOn;
+    vtable->getUseDuration = BucketItem_getUseDuration;
+    vtable->useTimeDepleted = BucketItem_useTimeDepleted;
+    vtable->getUseAnimation = BucketItem_getUseAnimation;
+    vtable->isFood = BucketItem_isFood;
+    vtable->use = BucketItem_use;
+    vtable->getCraftingRemainingItem = BucketItem_getCraftingRemainingItem;
 }
 
 // Create Items
-static Item *create_bucket(int32_t id, int32_t texture_x, int32_t texture_y, std::string name) {
+static FoodItem *create_bucket(int32_t id, int32_t texture_x, int32_t texture_y, std::string name) {
     // Construct
-    Item *item = alloc_Item();
+    FoodItem *item = alloc_FoodItem();
     ALLOC_CHECK(item);
-    Item_constructor(item, id);
+    Item_constructor((Item *) item, id);
 
     // Set VTable
     item->vtable = get_bucket_vtable();
@@ -140,6 +199,9 @@ static Item *create_bucket(int32_t id, int32_t texture_x, int32_t texture_y, std
     item->category = 2;
     item->max_damage = 0;
     item->max_stack_size = 1;
+    item->nutrition = 0;
+    item->unknown_param_1 = 0.6;
+    item->meat = false;
 
     // Return
     return item;
@@ -159,17 +221,29 @@ static int32_t ItemInstance_getMaxStackSize_injection(ItemInstance *item_instanc
     }
 }
 
+// Milking
+bool Cow_interact_injection(Cow *self, Player *player) {
+    ItemInstance *item = Inventory_getSelected(player->inventory);
+    if (item && item->id == bucket->id && item->auxiliary == 0) {
+        // Fill with milk
+        fill_bucket(item, player, 1);
+        return true;
+    }
+    return Cow_interact_non_virtual(self, player);
+}
+
 // Creative Inventory
-static void inventory_add_item(FillingContainer *inventory, Item *item, int32_t auxiliary) {
+static void inventory_add_item(FillingContainer *inventory, FoodItem *item, int32_t auxiliary) {
     ItemInstance *item_instance = new ItemInstance;
     ALLOC_CHECK(item_instance);
-    item_instance = ItemInstance_constructor_item_extra(item_instance, item, 1, auxiliary);
+    item_instance = ItemInstance_constructor_item_extra(item_instance, (Item *) item, 1, auxiliary);
     FillingContainer_addItem(inventory, item_instance);
 }
 static void Inventory_setupDefault_FillingContainer_addItem_call_injection(FillingContainer *filling_container) {
     inventory_add_item(filling_container, bucket, 0);
     inventory_add_item(filling_container, bucket, Tile_water->id);
     inventory_add_item(filling_container, bucket, Tile_lava->id);
+    inventory_add_item(filling_container, bucket, 1);
 }
 
 // Make Liquids Selectable
@@ -264,14 +338,23 @@ static void FurnaceTileEntity_tick_ItemInstance_setNull_injection(ItemInstance *
     }
 }
 
+// Add the bucket name to the language file
+static void Language_injection(__attribute__((unused)) void *null) {
+    I18n__strings.insert(std::make_pair("item.bucketMilk.name", "Milk Bucket"));
+}
+
 // Init
+bool buckets_enabled = false;
 void init_bucket() {
     // Add Buckets
-    if (feature_has("Add Buckets", server_enabled)) {
+    buckets_enabled = feature_has("Add Buckets", server_enabled);
+    if (buckets_enabled) {
         // Add Items
         misc_run_on_items_setup(Item_initItems_injection);
         // Change Max Stack Size Based On Auxiliary
         overwrite_calls((void *) ItemInstance_getMaxStackSize, (void *) ItemInstance_getMaxStackSize_injection);
+        // Enable milking
+        patch_address((void *) Cow_interact_vtable_addr, (void *) Cow_interact_injection);
         // Creative Inventory
         misc_run_on_creative_inventory_setup(Inventory_setupDefault_FillingContainer_addItem_call_injection);
         // Make Liquids Selectable
@@ -284,5 +367,7 @@ void init_bucket() {
         // Custom Furnace Fuel
         overwrite_calls((void *) FurnaceTileEntity_getBurnDuration, (void *) FurnaceTileEntity_getBurnDuration_injection);
         overwrite_call((void *) 0xd351c, (void *) FurnaceTileEntity_tick_ItemInstance_setNull_injection);
+        // Language for milk
+        misc_run_on_language_setup(Language_injection);
     }
 }

mods/src/cake/README.md

@@ -0,0 +1,3 @@
+# ``cake`` Mod
+
+This mod adds cake.

mods/src/cake/cake.cpp

@@ -0,0 +1,243 @@
+#include <libreborn/libreborn.h>
+#include <symbols/minecraft.h>
+
+#include <mods/feature/feature.h>
+#include <mods/init/init.h>
+#include <mods/misc/misc.h>
+#include <mods/bucket/bucket.h>
+
+static Tile *cake = NULL;
+
+#define CAKE_LEN 0.0625F
+
+// Description
+static std::string Cake_getDescriptionId(__attribute__((unused)) Tile *tile) {
+    return "tile.cake";
+}
+
+// Textures
+static int Cake_getTexture2(__attribute__((unused)) Tile *tile, int face, __attribute__((unused)) int data) {
+    if (face == 1) {
+        // Top texture
+        return 121;
+    } else if (face == 0) {
+        // Bottom texture
+        return 124;
+    }
+    // Side texture
+    return 122;
+}
+
+static int Cake_getTexture3(__attribute__((unused)) Tile *tile, LevelSource *level, int x, int y, int z, int face) {
+    // Eaten face
+    if (face == 3) {
+        int data = level->vtable->getData(level, x, y, z);
+        if (data != 0 && data < 6) {
+            // Sliced texture
+            return 123;
+        }
+    }
+    // Normal
+    return Cake_getTexture2(tile, face, 0);
+}
+
+// Rendering
+static bool Cake_isSolidRender(__attribute__((unused)) Tile *tile) {
+    // Stop it from turning other blocks invisable
+    return 0;
+}
+
+static int Cake_getRenderLayer(__attribute__((unused)) Tile *tile) {
+    // Stop weird transparency issues
+    return 1;
+}
+
+static bool Cake_isCubeShaped(__attribute__((unused)) Tile *tile) {
+    return false;
+}
+
+// Size
+static void Cake_updateDefaultShape(Tile *tile) {
+    // Set the default shape
+    tile->vtable->setShape(
+        tile,
+        CAKE_LEN,       0.0, CAKE_LEN,
+        1.0 - CAKE_LEN, 0.5, 1.0 - CAKE_LEN
+    );
+}
+
+static AABB *Cake_getAABB(Tile *tile, Level *level, int x, int y, int z) {
+    // Get the size of the slices
+    int data = level->vtable->getData(level, x, y, z);
+    if (data >= 6) data = 0;
+    float slice_size = (1.0 / 7.0) * (float) data;
+
+    // Corner 1
+    AABB *aabb = &tile->aabb;
+    aabb->x1 = (float) x + CAKE_LEN;
+    aabb->y1 = (float) y;
+    aabb->z1 = (float) z + CAKE_LEN;
+
+    // Corner 2
+    aabb->x2 = (float) x + (1.0 - CAKE_LEN);
+    aabb->y2 = (float) y + 0.5;
+    aabb->z2 = (float) z + (1.0 - CAKE_LEN) - slice_size;
+
+    return aabb;
+}
+
+static void Cake_updateShape(Tile *tile, LevelSource *level, int x, int y, int z) {
+    // Set cake
+    int data = level->vtable->getData(level, x, y, z);
+    if (data >= 6) data = 0;
+    // Get slice amount
+    float slice_size = (1.0 / 7.0) * (float) data;
+    tile->vtable->setShape(
+        tile,
+        CAKE_LEN,       0.0, CAKE_LEN,
+        1.0 - CAKE_LEN, 0.5, (1.0 - CAKE_LEN) - slice_size
+    );
+}
+
+// Eating
+static int Cake_use(__attribute__((unused)) Tile *tile, Level *level, int x, int y, int z, Player *player) {
+    // Eat
+    SimpleFoodData_eat(&player->foodData, 3);
+    // Set the new tile
+    int data = level->vtable->getData(level, x, y, z);
+    if (data >= 5) {
+        // Remove the cake, it has been completely gobbled up
+        Level_setTileAndData(level, x, y, z, 0, 0);
+    } else {
+        // Remove a slice
+        Level_setTileAndData(level, x, y, z, 92, data + 1);
+    }
+    return 1;
+}
+
+// Makes the cakes
+static void make_cake() {
+    // Construct
+    cake = alloc_Tile();
+    ALLOC_CHECK(cake);
+    int texture = 122;
+    Tile_constructor(cake, 92, texture, Material_dirt);
+    cake->texture = texture;
+
+    // Set VTable
+    cake->vtable = dup_Tile_vtable(Tile_vtable_base);
+    ALLOC_CHECK(cake->vtable);
+
+    // Set shape
+    cake->vtable->setShape(
+        cake,
+        CAKE_LEN,       0.0, CAKE_LEN,
+        1.0 - CAKE_LEN, 0.5, 1.0 - CAKE_LEN
+    );
+
+    // Modify functions
+    cake->vtable->getDescriptionId = Cake_getDescriptionId;
+    cake->vtable->getTexture3 = Cake_getTexture3;
+    cake->vtable->getTexture2 = Cake_getTexture2;
+    cake->vtable->isSolidRender = Cake_isSolidRender;
+    cake->vtable->getRenderLayer = Cake_getRenderLayer;
+    cake->vtable->isCubeShaped = Cake_isCubeShaped;
+    cake->vtable->updateShape = Cake_updateShape;
+    cake->vtable->updateDefaultShape = Cake_updateDefaultShape;
+    cake->vtable->getAABB = Cake_getAABB;
+    cake->vtable->use = Cake_use;
+
+    // Init
+    Tile_init(cake);
+    cake->vtable->setDestroyTime(cake, 1.0f);
+    cake->vtable->setExplodeable(cake, 20.0f);
+    cake->category = 4;
+    std::string name = "Cake";
+    cake->vtable->setDescriptionId(cake, &name);
+}
+
+static void Tile_initTiles_injection(__attribute__((unused)) void *null) {
+    make_cake();
+}
+
+// Add cake to creative inventory
+static void Inventory_setupDefault_FillingContainer_addItem_call_injection(FillingContainer *filling_container) {
+    ItemInstance *cake_instance = new ItemInstance;
+    ALLOC_CHECK(cake_instance);
+    cake_instance->count = 255;
+    cake_instance->auxiliary = 0;
+    cake_instance->id = 92;
+    FillingContainer_addItem(filling_container, cake_instance);
+}
+
+// Recipe (only when buckets are enabled)
+static void Recipes_injection(Recipes *recipes) {
+    // Sugar
+    Recipes_Type sugar = {
+        .item = 0,
+        .tile = 0,
+        .instance = {
+            .count = 1,
+            .id = 353,
+            .auxiliary = 0
+        },
+        .letter = 's'
+    };
+    // Wheat
+    Recipes_Type wheat = {
+        .item = 0,
+        .tile = 0,
+        .instance = {
+            .count = 1,
+            .id = 296,
+            .auxiliary = 0
+        },
+        .letter = 'w'
+    };
+    // Eggs
+    Recipes_Type eggs = {
+        .item = 0,
+        .tile = 0,
+        .instance = {
+            .count = 1,
+            .id = 344,
+            .auxiliary = 0
+        },
+        .letter = 'e'
+    };
+    // Milk
+    Recipes_Type milk = {
+        .item = 0,
+        .tile = 0,
+        .instance = {
+            .count = 1,
+            .id = 325,
+            .auxiliary = 1
+        },
+        .letter = 'm'
+    };
+    // Cake
+    ItemInstance cake_item = {
+        .count = 1,
+        .id = 92,
+        .auxiliary = 0
+    };
+    // Add
+    std::string line1 = "mmm";
+    std::string line2 = "ses";
+    std::string line3 = "www";
+    std::vector<Recipes_Type> ingredients = {milk, sugar, wheat, eggs};
+    Recipes_addShapedRecipe_3(recipes, &cake_item, &line1, &line2, &line3, &ingredients);
+}
+
+void init_cake() {
+    // Add cakes
+    if (feature_has("Add Cake", server_enabled)) {
+        misc_run_on_tiles_setup(Tile_initTiles_injection);
+        misc_run_on_creative_inventory_setup(Inventory_setupDefault_FillingContainer_addItem_call_injection);
+        if (buckets_enabled) {
+            // The recipe needs milk buckets
+            misc_run_on_recipes_setup(Recipes_injection);
+        }
+    }
+}

mods/src/death/death.cpp

@@ -7,55 +7,136 @@
 #include <mods/feature/feature.h>
 
 // Death Messages
-static std::string get_death_message(Player *player) {
+static const char *monster_names[] = {"Zombie", "Creeper", "Skeleton", "Spider", "Zombie Pigman"};
-    // Get Username
+static std::string get_death_message(Player *player, Entity *cause, bool was_shot = false) {
-    std::string *username = &player->username;
-
     // Prepare Death Message
-    std::string message;
+    std::string message = player->username;
-    message.append(username->c_str());
+    if (cause) {
-    message.append(" has died");
+        // Entity cause
+        int type_id = cause->vtable->getEntityTypeId(cause);
+        int aux = cause->vtable->getAuxData(cause);
+        bool is_player = cause->vtable->isPlayer(cause);
+        if (cause->vtable->getCreatureBaseType(cause) != 0 || is_player) {
+            // Killed by a creature
+            if (was_shot) {
+                message += " was shot by ";
+            } else {
+                message += " was killed by ";
+            }
+            if (is_player) {
+                // Killed by a player
+                message += ((Player *) cause)->username;
+            } else if (32 <= type_id && type_id <= 36) {
+                // Normal monster
+                message += "a ";
+                message += monster_names[type_id - 32];
+            } else {
+                // Unknown creature
+                message += "a Mysterious Beast";
+            }
+            return message;
+        } else if (aux) {
+            // Killed by a throwable with owner
+            Level *level = player->level;
+            Entity *shooter = Level_getEntity(level, aux);
+            return get_death_message(player, shooter, true);
+        } else if (type_id == 65) {
+            // Blown up by TNT
+            return message + " was blown apart";
+        } else if (cause->vtable->isHangingEntity(cause)) {
+            // Painting?
+            return message + " admired too much art";
+        }
+    }
+
+    if (was_shot) {
+        // Throwable with invalid owner
+        return message + " was shot under mysterious circumstances";
+    } else if (cause) {
+        // Unknown entity
+        return message + " was killed";
+    } else {
+        // Anything else
+        return message + " has died";
+    }
 
     // Return
     return message;
 }
 
+static bool is_hurt = false;
+static bool Mob_hurt_injection(Mob *mob, Entity *source, int dmg) {
+    // Call Original Method
+    is_hurt = true;
+    bool ret = Mob_hurt_non_virtual(mob, source, dmg);
+    is_hurt = false;
+    return ret;
+}
+
 // Death Message Logic
-#define Player_actuallyHurt_injection(type) \
+#define Player_death_injections(type) \
+    static void type##Player_die_injection(type##Player *player, Entity *cause) { \
+        /* Call Original Method */ \
+        type##Player_die_non_virtual(player, cause); \
+        \
+        /* Get Variable */ \
+        RakNetInstance *rak_net_instance = player->minecraft->rak_net_instance; \
+        /* Only Run On Server-Side */ \
+        if (rak_net_instance->vtable->isServer(rak_net_instance)) { \
+            /* Get Death Message */ \
+            std::string message = get_death_message((Player *) player, cause); \
+            \
+            /* Post Death Message */ \
+            ServerSideNetworkHandler *server_side_network_handler = (ServerSideNetworkHandler *) player->minecraft->network_handler; \
+            ServerSideNetworkHandler_displayGameMessage(server_side_network_handler, &message); \
+        } \
+    } \
+    \
     static void type##Player_actuallyHurt_injection(type##Player *player, int32_t damage) { \
         /* Store Old Health */ \
         int32_t old_health = player->health; \
         \
         /* Call Original Method */ \
         type##Player_actuallyHurt_non_virtual(player, damage); \
+        if (is_hurt == true) return; \
         \
         /* Store New Health */ \
         int32_t new_health = player->health; \
         \
         /* Get Variables */ \
-        Minecraft *minecraft = player->minecraft; \
+        RakNetInstance *rak_net_instance = player->minecraft->rak_net_instance; \
-        RakNetInstance *rak_net_instance = minecraft->rak_net_instance; \
         /* Only Run On Server-Side */ \
         if (rak_net_instance->vtable->isServer(rak_net_instance)) { \
             /* Check Health */ \
             if (new_health < 1 && old_health >= 1) { \
                 /* Get Death Message */ \
-                std::string message = get_death_message((Player *) player); \
+                std::string message = get_death_message((Player *) player, NULL); \
                 \
                 /* Post Death Message */ \
-                ServerSideNetworkHandler *server_side_network_handler = (ServerSideNetworkHandler *) minecraft->network_handler; \
+                ServerSideNetworkHandler *server_side_network_handler = (ServerSideNetworkHandler *) player->minecraft->network_handler; \
                 ServerSideNetworkHandler_displayGameMessage(server_side_network_handler, &message); \
             } \
         } \
     }
-Player_actuallyHurt_injection(Local)
+
-Player_actuallyHurt_injection(Server)
+Player_death_injections(Local);
+Player_death_injections(Server);
 
 // Init
 void init_death() {
     // Death Messages
     if (feature_has("Implement Death Messages", server_auto)) {
+        patch_address(ServerPlayer_die_vtable_addr, (void *) ServerPlayer_die_injection);
+        patch_address(LocalPlayer_die_vtable_addr, (void *) LocalPlayer_die_injection);
         patch_address(ServerPlayer_actuallyHurt_vtable_addr, (void *) ServerPlayer_actuallyHurt_injection);
         patch_address(LocalPlayer_actuallyHurt_vtable_addr, (void *) LocalPlayer_actuallyHurt_injection);
+        patch_address(Mob_hurt_vtable_addr, (void *) Mob_hurt_injection);
+        overwrite_calls((void *) Mob_hurt_non_virtual, (void *) Mob_hurt_injection);
     }
+    // Fix TNT
+    // This changes PrimedTnt_explode from Level_explode(NULL, x, y, z, 3.1f) to Level_explode(this, x, y, z, 3.1f)
+    unsigned char cpy_r1_r0_patch[4] = {0x00, 0x10, 0xa0, 0xe1}; // "cpy r1,r0"
+    patch((void *) 0x87998, cpy_r1_r0_patch);
+    unsigned char ldr_r0_24_patch[4] = {0x24, 0x00, 0x90, 0xe5}; // "ldr r0,[r0,#0x24]"
+    patch((void *) 0x8799c, ldr_r0_24_patch);
 }

mods/src/init/init.c

@@ -32,6 +32,7 @@ __attribute__((constructor)) static void init(int argc, char *argv[]) {
     init_options();
     init_chat();
     init_bucket();
+    init_cake();
     init_home();
 #ifndef MCPI_SERVER_MODE
     init_benchmark(argc, argv);

mods/src/misc/README.md

@@ -5,3 +5,4 @@ This mod has several miscellaneous mods that are too small to be their own mod,
 * Removing the red background from unobtainable items in the inventory.
 * Loading the bundled language file.
 * Printing chat messages to the log.
+* Implementing crafting remainders.

mods/src/misc/api.cpp

@@ -79,6 +79,7 @@ SETUP_CALLBACK(creative_inventory_setup, FillingContainer);
 static void Inventory_setupDefault_FillingContainer_addItem_call_injection(FillingContainer *filling_container, ItemInstance *item_instance) {
     // Call Original Method
     FillingContainer_addItem(filling_container, item_instance);
+
     // Run Functions
     handle_misc_creative_inventory_setup(filling_container);
 }
@@ -98,11 +99,22 @@ static void Tile_initTiles_injection() {
 SETUP_CALLBACK(items_setup, void);
 // Handle Custom Items Setup Behavior
 static void Item_initItems_injection() {
-    // Run Functions
-    handle_misc_items_setup(NULL);
-
     // Call Original Method
     Item_initItems();
+
+    // Run Functions
+    handle_misc_items_setup(NULL);
+}
+
+// Run Functions On Language Setup
+SETUP_CALLBACK(language_setup, void);
+// Handle Custom Items Setup Behavior
+static void I18n_loadLanguage_injection(AppPlatform *app, std::string language_name) {
+    // Call Original Method
+    I18n_loadLanguage(app, language_name);
+
+    // Run Functions
+    handle_misc_language_setup(NULL);
 }
 
 // Run Functions On GUI Key Press
@@ -140,6 +152,8 @@ void _init_misc_api() {
     // Handle Custom Item/Tile Init Behavior
     overwrite_calls((void *) Tile_initTiles, (void *) Tile_initTiles_injection);
     overwrite_calls((void *) Item_initItems, (void *) Item_initItems_injection);
+    // Handle Custom Language Entries
+    overwrite_calls((void *) I18n_loadLanguage, (void *) I18n_loadLanguage_injection);
     // Handle Key Presses
     overwrite_calls((void *) Gui_handleKeyPressed, (void *) Gui_handleKeyPressed_injection);
 }

mods/src/misc/misc.c

@@ -601,6 +601,19 @@ static int FurnaceTileEntity_getLitProgress_injection(FurnaceTileEntity *furnace
     return ret;
 }
 
+// Fix used items transferring durability
+static int selected_slot = -1;
+static void Player_startUsingItem_injection(Player *self, ItemInstance *item_instance, int time) {
+    selected_slot = self->inventory->selectedSlot;
+    Player_startUsingItem(self, item_instance, time);
+}
+static void Player_stopUsingItem_injection(Player *self) {
+    if (selected_slot != self->inventory->selectedSlot) {
+        self->itemBeingUsed.id = 0;
+    }
+    Player_stopUsingItem(self);
+}
+
 // Java Light Ramp
 static void Dimension_updateLightRamp_injection(Dimension *self) {
     // https://github.com/ReMinecraftPE/mcpe/blob/d7a8b6baecf8b3b050538abdbc976f690312aa2d/source/world/level/Dimension.cpp#L92-L105
@@ -816,6 +829,10 @@ void init_misc() {
         overwrite((void *) Dimension_updateLightRamp_non_virtual, (void *) Dimension_updateLightRamp_injection);
     }
 
+    // Fix used items transferring durability
+    overwrite_calls((void *) Player_startUsingItem, (void *) Player_startUsingItem_injection);
+    overwrite_calls((void *) Player_stopUsingItem, (void *) Player_stopUsingItem_injection);
+
     // Init C++ And Logging
     _init_misc_cpp();
     _init_misc_logging();

mods/src/misc/misc.cpp

@@ -58,6 +58,38 @@ static void PauseScreen_init_injection(PauseScreen *screen) {
     }
 }
 
+// Implement crafting remainders
+void PaneCraftingScreen_craftSelectedItem_PaneCraftingScreen_recheckRecipes_injection(PaneCraftingScreen *self) {
+    // Check for crafting remainders
+    CItem *item = self->item;
+    for (size_t i = 0; i < item->ingredients.size(); i++) {
+        ItemInstance requested_item_instance = item->ingredients[i].requested_item;
+        Item *requested_item = Item_items[requested_item_instance.id];
+        ItemInstance *craftingRemainingItem = requested_item->vtable->getCraftingRemainingItem(requested_item, &requested_item_instance);
+        if (craftingRemainingItem != NULL) {
+            // Add or drop remainder
+            LocalPlayer *player = self->minecraft->player;
+            if (!player->inventory->vtable->add(player->inventory, craftingRemainingItem)) {
+                // Drop
+                player->vtable->drop(player, craftingRemainingItem, false);
+            }
+        }
+    }
+    // Call Original Method
+    PaneCraftingScreen_recheckRecipes(self);
+}
+
+ItemInstance *Item_getCraftingRemainingItem_injection(Item *self, ItemInstance *item_instance) {
+    if (self->craftingRemainingItem != NULL) {
+        ItemInstance *ret = alloc_ItemInstance();
+        ret->id = self->craftingRemainingItem->id;
+        ret->count = item_instance->count;
+        ret->auxiliary = 0;
+        return ret;
+    }
+    return NULL;
+}
+
 // Init
 void _init_misc_cpp() {
     // Implement AppPlatform::readAssetFile So Translations Work
@@ -70,4 +102,8 @@ void _init_misc_cpp() {
         // Add Missing Buttons To Pause Menu
         patch_address(PauseScreen_init_vtable_addr, (void *) PauseScreen_init_injection);
     }
+
+    // Implement crafting remainders
+    overwrite_call((void *) 0x2e230, (void *) PaneCraftingScreen_craftSelectedItem_PaneCraftingScreen_recheckRecipes_injection);
+    overwrite((void *) Item_getCraftingRemainingItem_non_virtual, (void *) Item_getCraftingRemainingItem_injection);
 }

symbols/CMakeLists.txt

@@ -40,8 +40,9 @@ set(SRC
     src/entity/MobFactory.def
     src/entity/EntityRenderDispatcher.def
     src/entity/MobRenderer.def
-    src/entity/AgableMob.def
+    src/entity/animal/AgableMob.def
-    src/entity/Animal.def
+    src/entity/animal/Animal.def
+    src/entity/animal/Cow.def
     src/entity/Mob.def
     src/entity/player/ServerPlayer.def
     src/entity/player/Player.def
@@ -82,10 +83,10 @@ set(SRC
     src/item/AuxDataTileItem.def
     src/item/ItemInstance.def
     src/item/Item.def
-    src/item/FoodItem.def
     src/item/ArmorMaterial.def
     src/item/ArmorItem.def
     src/item/TileItem.def
+    src/item/FoodItem.def
     src/api/OffsetPosTranslator.def
     src/api/CommandServer.def
     src/api/ConnectedClient.def
@@ -102,6 +103,7 @@ set(SRC
     src/gui/screens/StartMenuScreen.def
     src/gui/screens/ProgressScreen.def
     src/gui/screens/Touch_SelectWorldScreen.def
+    src/gui/screens/PaneCraftingScreen.def
     src/gui/screens/ScreenChooser.def
     src/gui/Font.def
     src/gui/components/ImageButton.def
@@ -131,6 +133,8 @@ set(SRC
     src/tile/GrassTile.def
     src/tile/HeavyTile.def
     src/misc/Strings.def
+    src/misc/I18n.def
+    src/misc/SimpleFoodData.def
     src/entity/ModelPart.def
     src/misc/Tesselator.def
     src/misc/AABB.def
@@ -154,6 +158,8 @@ set(SRC
     src/recipes/FurnaceRecipes.def
     src/recipes/Recipes.def
     src/recipes/Recipes_Type.def
+    src/recipes/ReqItem.def
+    src/recipes/CItem.def
 )
 # Resolve Definition Files
 set(RESOLVED_SRC "")

symbols/src/entity/Entity.def

@@ -1,7 +1,17 @@
 virtual-method void remove() = 0x10;
 virtual-method void tick() = 0x34;
+virtual-method bool interact(Player *with) = 0x6c;
+virtual-method bool isPlayer() = 0x94;
 virtual-method bool hurt(Entity *attacker, int damage) = 0xa4;
+// See https://mcpirevival.miraheze.org/wiki/Minecraft:_Pi_Edition_Complete_Entity_List for these two
 virtual-method int getEntityTypeId() = 0xdc;
+virtual-method int getCreatureBaseType() = 0xe0;
+virtual-method bool isMob() = 0xe8;
+virtual-method bool isItemEntity() = 0xec;
+// HangingEntity is a painting
+virtual-method bool isHangingEntity() = 0xf0;
+// The owner entity id for arrows/throwables, else 0
+virtual-method int getAuxData() = 0xf4;
 
 method void moveTo(float x, float y, float z, float yaw, float pitch) = 0x7a834;
 

symbols/src/entity/animal/Cow.def

@@ -0,0 +1,3 @@
+extends Animal;
+
+vtable 0x10ba38;

symbols/src/entity/player/Player.def

@@ -2,12 +2,19 @@ extends Mob;
 
 vtable 0x10de70;
 
-method int isUsingItem() = 0x8f15c;
 virtual-method void drop(ItemInstance *item_instance, bool is_death) = 0x208;
 virtual-method void stopSleepInBed(bool param_1, bool param_2, bool param_3) = 0x228;
 virtual-method void openTextEdit(TileEntity *sign) = 0x230;
-method ItemInstance *getArmor(int slot) = 0x8fda4;
 
-property std::string username = 0xbf4;
+method int isUsingItem() = 0x8f15c;
+method void stopUsingItem() = 0x8f514;
+method void startUsingItem(ItemInstance *item_instance, int use_duration) = 0x8f4b8;
+method ItemInstance *getArmor(int slot) = 0x8fda4;
+method bool isHurt() = 0x8fb44;
+
 property Inventory *inventory = 0xbe0;
+property std::string username = 0xbf4;
+property bool immortal = 0xbfc;
 property bool infinite_items = 0xbff;
+property ItemInstance itemBeingUsed = 0xc34;
+property SimpleFoodData foodData = 0xc00;

symbols/src/gui/components/GuiComponent.def

@@ -7,3 +7,4 @@ method void blit(int x_dest, int y_dest, int x_src, int y_src, int width_dest, i
 method void drawCenteredString(Font *font, std::string *text, int x, int y, int color) = 0x2821c;
 method void drawString(Font *font, std::string *text, int x, int y, int color) = 0x28284;
 method void fill(int x1, int y1, int x2, int y2, uint color) = 0x285f0;
+method void fillGradient(int x1, int y1, int x2, int y2, int color1, int color2) = 0x287c0;

symbols/src/gui/screens/PaneCraftingScreen.def

@@ -0,0 +1,6 @@
+extends Screen;
+
+method void craftSelectedItem() = 0x2e0e4;
+method void recheckRecipes() = 0x2dc98;
+
+property CItem *item = 0x74;

symbols/src/gui/screens/Screen.def

@@ -6,23 +6,23 @@ constructor () = 0x29028;
 vtable-size 0x74;
 vtable 0x1039d8;
 
-virtual-method void updateEvents() = 0x14;
+virtual-method void init() = 0xc;
-virtual-method void keyboardNewChar(char key) = 0x70;
-virtual-method void keyPressed(int key) = 0x6c;
 virtual-method void render(int x, int y, float param_1) = 0x8;
+virtual-method void setupPositions() = 0x10;
+virtual-method void updateEvents() = 0x14;
 virtual-method bool handleBackEvent(bool do_nothing)  = 0x24;
 virtual-method void tick() = 0x28;
-virtual-method void buttonClicked(Button *button) = 0x60;
-virtual-method void init() = 0xc;
-virtual-method void mouseClicked(int x, int y, int param_1) = 0x64;
 virtual-method void removed() = 0x2c;
 virtual-method void renderBackground() = 0x30;
-virtual-method void setupPositions() = 0x10;
+virtual-method void buttonClicked(Button *button) = 0x60;
+virtual-method void mouseClicked(int x, int y, int param_1) = 0x64;
+virtual-method void keyPressed(int key) = 0x6c;
+virtual-method void keyboardNewChar(char key) = 0x70;
 
-property Minecraft *minecraft = 0x14;
-property std::vector<Button *> rendered_buttons = 0x18;
-property std::vector<Button *> selectable_buttons = 0x30;
 property int width = 0x8;
 property int height = 0xc;
 property bool passthrough_input = 0x10;
+property Minecraft *minecraft = 0x14;
+property std::vector<Button *> rendered_buttons = 0x18;
+property std::vector<Button *> selectable_buttons = 0x30;
 property Font *font = 0x40;

symbols/src/item/FoodItem.def

@@ -5,3 +5,6 @@ vtable 0x10e7b0;
 vtable-size 0x98;
 
 property int nutrition = 0x24;
+// Always 0.6
+property float unknown_param_1 = 0x28;
+property bool meat = 0x2c;

symbols/src/item/Item.def

@@ -6,13 +6,23 @@ vtable 0x10f128;
 size 0x24;
 constructor (int id) = 0x99488;
 
-virtual-method void setIcon(int texture_x, int texture_y) = 0x18;
 virtual-method int getIcon(int auxiliary) = 0x14;
+virtual-method void setIcon(int texture_x, int texture_y) = 0x18;
 virtual-method int useOn(ItemInstance *item_instance, Player *player, Level *level, int x, int y, int z, int hit_side, float hit_x, float hit_y, float hit_z) = 0x20;
+// Normally returns 0
+virtual-method int getUseDuration(ItemInstance *item_instance) = 0x24;
+virtual-method ItemInstance useTimeDepleted(ItemInstance *item_instance, Level *level, Player *player) = 0x28;
+virtual-method int getDestorySpeed(ItemInstance *item_instance, Tile *tile) = 0x2c;
 virtual-method ItemInstance *use(ItemInstance *item_instance, Level *level, Player *player) = 0x30;
+virtual-method bool mineBlock(ItemInstance *instance, int tile_id, int x, int y, int z) = 0x48;
 virtual-method bool isFood() = 0x64;
+virtual-method bool isArmor() = 0x68;
 virtual-method void setDescriptionId(std::string *name) = 0x6c;
 virtual-method std::string getDescriptionId(ItemInstance *item_instance) = 0x7c;
+// This returns an Item*, but it's never called normally so it doesn't matter if we invent a better system over top of it
+virtual-method ItemInstance *getCraftingRemainingItem(ItemInstance *item_instance) = 0x84;
+// Swing = 0, eating = 1, drinking = 2, bow = 4, anything else is nothing
+virtual-method int getUseAnimation() = 0x94;
 
 property int id = 0x4;
 property int max_damage = 0x8;
@@ -21,6 +31,7 @@ property int category = 0x10;
 property int max_stack_size = 0x14;
 property bool equipped = 0x18;
 property bool is_stacked_by_data = 0x19;
+property Item *craftingRemainingItem = 0x1c;
 property std::string description_id = 0x20;
 
 // Globals

symbols/src/item/ItemRenderer.def

@@ -1,4 +1,5 @@
-static-method void renderGuiItem_one(Font *font, Textures *textures, ItemInstance *item_instance, float param_1, float param_2, bool param_3) = 0x63e58;
+static-method void renderGuiItem_one(Font *font, Textures *textures, ItemInstance *item_instance, float x, float y, bool param_3) = 0x63e58;
-static-method void renderGuiItem_two(Font *font, Textures *textures, ItemInstance *item_instance, float param_1, float param_2, float param_3, float param_4, bool param_5) = 0x63be0;
+static-method void renderGuiItem_two(Font *font, Textures *textures, ItemInstance *item_instance, float x, float y, float w, float h, bool param_5) = 0x63be0;
-static-method void renderGuiItemCorrect(Font *font, Textures *textures, ItemInstance *item_instance, int param_1, int param_2) = 0x639a0;
+static-method void renderGuiItemCorrect(Font *font, Textures *textures, ItemInstance *item_instance, int x, int y) = 0x639a0;
-static-method void renderGuiItemDecorations(ItemInstance *item, float x, float y) = 0x63748;
+static-method void renderGuiItemDecorations(ItemInstance *item, float x, float y) = 0x63748;
+static-method void blit(float x, float y, float texture_x, float texture_y, float w, float h) = 0x638c0;

symbols/src/level/Material.def

@@ -1,4 +1,7 @@
 virtual-method bool isSolid() = 0x8;
 
 // Globals
-static-property Material *Material_stone = 0x180a9c;
+static-property Material *dirt = 0x180a94;
+static-property Material *stone = 0x180a9c;
+static-property Material *metal = 0x180aa0;
+static-property Material *glass = 0x180acc;

symbols/src/misc/I18n.def

@@ -0,0 +1,3 @@
+static-method void loadLanguage(AppPlatform *app, std::string language_name) = 0x680d0;
+
+static-property std::map<std::string, std::string> _strings = 0x137d98;

symbols/src/misc/SimpleFoodData.def

@@ -0,0 +1,5 @@
+size 0x4;
+
+method void eat(int amount) = 0x91470;
+
+property int health = 0x0;

symbols/src/misc/Tesselator.def

@@ -1,6 +1,8 @@
 method void begin(int mode) = 0x529d4;
+method void draw() = 0x52e08;
 method void colorABGR(int color) = 0x52b54;
 method void color(int r, int g, int b, int a) = 0x52a48;
+method void vertex(float x, float y, float z) = 052bc0;
 method void vertexUV(float x, float y, float z, float u, float v) = 0x52d40;
 
 static-property Tesselator instance = 0x137538;

symbols/src/network/raknet/RakNet_BitStream.def

@@ -1,4 +1,15 @@
 method void Write_uchar(uchar *i) = 0x18448;
 method void Write_int(int *i) = 0x18454;
+method void Write_ushort(ushort *i) = 0x45a68;
+method void Write_short(short *i) = 0x71918;
+// right_aligned should be true
+method void WriteBits(uchar *buff, uint bits, bool right_aligned) = 0xd41b4;
 
+method void Read_uchar(uchar *i) = 0x45ab0;
 method void Read_int(int *i) = 0x184ec;
+method void Read_ushort(ushort *i) = 0x45acc;
+method void Read_short(short *i) = 0x72070;
+// right_aligned should be true
+method void ReadBits(uchar *buff, uint bits, bool right_aligned) = 0xd3e18;
+
+property uint readOffset = 0x8;

symbols/src/recipes/CItem.def

@@ -0,0 +1,3 @@
+property ItemInstance item = 0x0;
+property std::vector<ReqItem> ingredients = 0x20;
+property bool craftable = 0x2c;

symbols/src/recipes/ReqItem.def

@@ -0,0 +1,3 @@
+size 0x10;
+
+property ItemInstance requested_item = 0x0;

symbols/src/tile/Tile.def

@@ -3,21 +3,43 @@ static-method void initTiles() = 0xc358c;
 vtable 0x115670;
 vtable-size 0x104;
 
-constructor (int id, int texture, void *material) = 0xc33a0;
+constructor (int id, int texture, Material *material) = 0xc33a0;
 size 0x5c;
 
 method Tile *init() = 0xc34dc;
-virtual-method Tile *setDestroyTime(float destroy_time) = 0xf8;
+
-virtual-method Tile *setExplodeable(float explodeable) = 0xf4;
+
-virtual-method Tile *setSoundType(Tile_SoundType *sound_type) = 0xe8;
+virtual-method bool isCubeShaped() = 0x8;
-virtual-method int use(Level *level, int x, int y, int z, Player *player) = 0x98;
-virtual-method int getColor(LevelSource *level_source, int x, int y, int z) = 0xb8;
 virtual-method int getRenderShape() = 0xc;
+virtual-method void setShape(float x1, float y1, float z1, float x2, float y2, float z2) = 0x10;
+virtual-method void updateShape(LevelSource *level, int x, int y, int z) = 0x14;
+virtual-method void updateDefaultShape() = 0x18;
+virtual-method float getBrightness(LevelSource *level, int x, int y, int z) = 0x20;
+virtual-method int getTexture1() = 0x28;
+virtual-method int getTexture2(int face, int data) = 0x2c;
+virtual-method int getTexture3(LevelSource *level, int x, int y, int z, int face) = 0x30;
+virtual-method AABB *getAABB(Level *level, int x, int y, int z) = 0x34;
+virtual-method bool isSolidRender() = 0x40;
+virtual-method void tick(Level *level, int x, int y, int z) = 0x58;
+virtual-method void neighborChanged(Level *level, int x, int y, int z, int neighborId) = 0x64;
+virtual-method void onPlace(Level *level, int x, int y, int z) = 0x68;
+virtual-method void onRemove(Level *level, int x, int y, int z) = 0x6c;
+virtual-method int getRenderLayer() = 0x94;
+virtual-method int use(Level *level, int x, int y, int z, Player *player) = 0x98;
+virtual-method void setPlacedBy(Level *level, int x, int y, int z, Mob *placer) = 0xa8;
+virtual-method int getColor(LevelSource *level_source, int x, int y, int z) = 0xb8;
+virtual-method void entityInside(Level *level, int x, int y, int z, Entity *entity) = 0xcc;
+virtual-method std::string getDescriptionId() = 0xdc;
 virtual-method Tile *setDescriptionId(std::string *description_id) = 0xe0;
+virtual-method Tile *setSoundType(Tile_SoundType *sound_type) = 0xe8;
+virtual-method Tile *setLightEmission(float light) = 0xf0;
+virtual-method Tile *setExplodeable(float explodeable) = 0xf4;
+virtual-method Tile *setDestroyTime(float destroy_time) = 0xf8;
 
 property int texture = 0x4;
 property int id = 0x8;
 property int category = 0x3c;
+property AABB aabb = 0x40;
 
 // Globals
 static-property-array Tile *tiles = 0x180e08;
@@ -49,3 +71,6 @@ static-property Tile *grass_carried = 0x181dd4;
 
 // Sounds
 static-property Tile_SoundType SOUND_STONE = 0x181c80;
+
+// Light
+static-property float *lightEmission = 0x181214;

symbols/src/tile/TileRenderer.def

@@ -1 +1,4 @@
-method void tesselateBlockInWorld(Tile *tile, int x, int y, int z) = 0x59e30;
+method bool tesselateBlockInWorld(Tile *tile, int x, int y, int z) = 0x59e30;
+method bool tesselateInWorld(Tile *tile, int x, int y, int z) = 0x5e80c;
+
+property Level *level = 0x0;