fixed "unknown item" when trying to get item name by reading name from game memory, added player Velocity field

Author: STBrian

Sources/Player/Inventory.cpp

@@ -103,20 +103,14 @@ static int l_Inventory_Slot_class_index(lua_State *L)
             lua_pushinteger(L, Minecraft::GetItemData(slotIndex));
             break;
         case hash("ItemName"): {
-            auto itemsList = Minecraft::GetItemList();
             u32 itemID = Minecraft::GetItemID(slotIndex);
-            u32 currItemID;
-            bool found = false;
-            for (auto item : itemsList) {
-                CTRPF::Process::Read32(item.idAddress, currItemID);
-                if (currItemID == itemID) {
-                    lua_pushstring(L, item.name.c_str());
-                    found = true;
-                    break;
-                }
+            if (itemID == 0) {
+                lua_pushstring(L, "empty_slot");
+            } else {
+                int *itemAddr = (int*)itemID;
+                char *itemNameIDAddr = (char*)*(itemAddr + 6);
+                lua_pushstring(L, itemNameIDAddr);
             }
-            if (!found)
-                lua_pushstring(L, "Unknown Item");
             break;
         }
         default:

Sources/Player/Player.cpp

@@ -64,6 +64,53 @@ static const luaL_Reg player_position_methods[] =
 
 // ----------------------------------------------------------------------------
 
+//$Game.LocalPlayer.Velocity
+
+/*
+- Gets local player velocity
+## return: number
+## return: number
+## return: number
+### Game.LocalPlayer.Velocity.get
+*/
+static int l_Player_Velocity_get(lua_State *L)
+{
+    float x = Minecraft::GetVelocityX();
+    float y = Minecraft::GetVelocityY();
+    float z = Minecraft::GetVelocityZ();
+    lua_pushnumber(L, x);
+    lua_pushnumber(L, y);
+    lua_pushnumber(L, z);
+    return 1;
+}
+
+/*
+- Sets player velocity
+## x: number
+## y: number
+## z: number
+### Game.LocalPlayer.Velocity.set
+*/
+static int l_Player_Velocity_set(lua_State *L)
+{
+    float x = luaL_checknumber(L, 1);
+    float y = luaL_checknumber(L, 2);
+    float z = luaL_checknumber(L, 3);
+    Minecraft::SetVelocityX(x);
+    Minecraft::SetVelocityY(y);
+    Minecraft::SetVelocityZ(z);
+    return 0;
+}
+
+static const luaL_Reg player_velocity_methods[] =
+{
+    {"get", l_Player_Velocity_get},
+    {"set", l_Player_Velocity_set},
+    {NULL, NULL}
+};
+
+// ----------------------------------------------------------------------------
+
 /*
 =Game.LocalPlayer.OnGround = false
 =Game.LocalPlayer.Sneaking = false
@@ -293,6 +340,7 @@ bool Core::Game::RegisterLocalPlayerModule(lua_State *L)
     lua_newtable(L); // LocalPlayer
 
     luaC_register_field(L, player_position_methods, "Position");
+    luaC_register_field(L, player_velocity_methods, "Velocity");
     Core::Game::LocalPlayer::RegisterCameraModule(L);
     Core::Game::LocalPlayer::RegisterInventoryModule(L);
 

Sources/main.cpp

@@ -28,8 +28,8 @@
 #define IS_TARGET_ID(id) ((id) == 0x00040000001B8700LL || (id) == 0x000400000017CA00LL || (id) == 0x000400000017FD00LL)
 
 #define PLUGIN_VERSION_MAJOR 0
-#define PLUGIN_VERSION_MINOR 7
-#define PLUGIN_VERSION_PATCH 3
+#define PLUGIN_VERSION_MINOR 8
+#define PLUGIN_VERSION_PATCH 0
 #define PLUGIN_FOLDER "sdmc:/Minecraft 3DS"
 #define LOG_FILE PLUGIN_FOLDER"/log.txt"
 #define CONFIG_FILE PLUGIN_FOLDER"/config.txt"

api_docs.lua

@@ -212,6 +212,20 @@ function Game.LocalPlayer.Position.get() end
 ---@param z number
 function Game.LocalPlayer.Position.set(x, y, z) end
 
+Game.LocalPlayer.Velocity = {}
+
+---Gets local player velocity
+---@return number
+---@return number
+---@return number
+function Game.LocalPlayer.Velocity.get() end
+
+---Sets player velocity
+---@param x number
+---@param y number
+---@param z number
+function Game.LocalPlayer.Velocity.set(x, y, z) end
+
 Game.LocalPlayer.OnGround = false
 
 Game.LocalPlayer.Sneaking = false

templates/scripts/player_hand_item_info.lua

@@ -0,0 +1,14 @@
+local Gamepad = Game.Gamepad
+local Debug = Game.Debug
+
+Game.Event.OnKeyPressed:Connect(function ()
+    if Gamepad.isPressed(Gamepad.KeyCodes.DPADDOWN) then
+        if Game.World.Loaded then
+            local playerHand = Game.LocalPlayer.Inventory.Slots["hand"]
+            local itemIDHex = string.format("%X", playerHand.ItemID)
+            Debug.message("ItemID: "..itemIDHex)
+            Debug.message("Item Name: "..playerHand.ItemName)
+            Debug.message("Item Data: "..playerHand.ItemData)
+        end
+    end
+end)