From 6bf6e8e0116883df4c7e74eeb6b9715e565bb620 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Tue, 5 Mar 2024 13:58:08 +0300
Subject: [PATCH] lua api refactor

---
 res/scripts/stdlib.lua                     |  18 +
 src/logic/scripting/lua/LuaState.cpp       |  21 +-
 src/logic/scripting/lua/api_lua.cpp        | 474 ---------------------
 src/logic/scripting/lua/api_lua.h          | 103 +----
 src/logic/scripting/lua/libblock.cpp       | 234 ++++++++++
 src/logic/scripting/lua/libfile.cpp        | 163 +++++++
 src/logic/scripting/lua/libgui.cpp         |  19 +-
 src/logic/scripting/lua/libgui.h           |  19 -
 src/logic/scripting/lua/libhud.cpp         |  24 +-
 src/logic/scripting/lua/libhud.h           |  21 -
 src/logic/scripting/lua/libinventory.cpp   |  33 +-
 src/logic/scripting/lua/libinventory.h     |  27 --
 src/logic/scripting/lua/libitem.cpp        |  46 ++
 src/logic/scripting/lua/libpack.cpp        |  31 ++
 src/logic/scripting/lua/libplayer.cpp      |  29 +-
 src/logic/scripting/lua/libplayer.h        |  26 --
 src/logic/scripting/lua/libtime.cpp        |  21 +
 src/logic/scripting/lua/libworld.cpp       |  36 ++
 src/logic/scripting/lua/lua_overrides.cpp  |  26 ++
 src/logic/scripting/scripting_frontend.cpp |   2 +-
 20 files changed, 663 insertions(+), 710 deletions(-)
 delete mode 100644 src/logic/scripting/lua/api_lua.cpp
 create mode 100644 src/logic/scripting/lua/libblock.cpp
 create mode 100644 src/logic/scripting/lua/libfile.cpp
 delete mode 100644 src/logic/scripting/lua/libgui.h
 delete mode 100644 src/logic/scripting/lua/libhud.h
 delete mode 100644 src/logic/scripting/lua/libinventory.h
 create mode 100644 src/logic/scripting/lua/libitem.cpp
 create mode 100644 src/logic/scripting/lua/libpack.cpp
 delete mode 100644 src/logic/scripting/lua/libplayer.h
 create mode 100644 src/logic/scripting/lua/libtime.cpp
 create mode 100644 src/logic/scripting/lua/libworld.cpp
 create mode 100644 src/logic/scripting/lua/lua_overrides.cpp

diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index b6d7523d..4968b675 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -142,3 +142,21 @@ function Document.new(docname)
         end
     })
 end
+
+-- Deprecated functions
+block_index = block.index
+block_name = block.name
+blocks_count = block.defs_count
+is_solid_at = block.is_solid_at
+is_replaceable_at = block.is_replaceable_at
+set_block = block.set
+get_block = block.get
+get_block_X = block.get_X
+get_block_Y = block.get_Y
+get_block_Z = block.get_Z
+get_block_states = block.get_states
+set_block_states = block.set_states
+get_block_rotation = block.get_rotation
+set_block_rotation = block.set_rotation
+get_block_user_bits = block.get_user_bits
+set_block_user_bits = block.set_user_bits
diff --git a/src/logic/scripting/lua/LuaState.cpp b/src/logic/scripting/lua/LuaState.cpp
index 0b870f92..0a49fa89 100644
--- a/src/logic/scripting/lua/LuaState.cpp
+++ b/src/logic/scripting/lua/LuaState.cpp
@@ -3,9 +3,6 @@
 #include <iostream>
 #include "lua_util.h"
 #include "api_lua.h"
-#include "libgui.h"
-#include "libplayer.h"
-#include "libinventory.h"
 #include "../../../util/stringutil.h"
 
 lua::luaerror::luaerror(const std::string& message) : std::runtime_error(message) {
@@ -120,29 +117,13 @@ void lua::LuaState::createLibs() {
     openlib("world", worldlib, 0);
     openlib("player", playerlib, 0);
     openlib("inventory", inventorylib, 0);
+    openlib("block", blocklib, 0);
     openlib("item", itemlib, 0);
     openlib("time", timelib, 0);
     openlib("file", filelib, 0);
     openlib("gui", guilib, 0);
 
     addfunc("print", lua_wrap_errors<l_print>);
-
-    addfunc("block_index", lua_wrap_errors<l_block_index>);
-    addfunc("block_name", lua_wrap_errors<l_block_name>);
-    addfunc("blocks_count", lua_wrap_errors<l_blocks_count>);
-    addfunc("is_solid_at", lua_wrap_errors<l_is_solid_at>);
-    addfunc("is_replaceable_at", lua_wrap_errors<l_is_replaceable_at>);
-    addfunc("set_block", lua_wrap_errors<l_set_block>);
-    addfunc("get_block", lua_wrap_errors<l_get_block>);
-    addfunc("get_block_X", lua_wrap_errors<l_get_block_x>);
-    addfunc("get_block_Y", lua_wrap_errors<l_get_block_y>);
-    addfunc("get_block_Z", lua_wrap_errors<l_get_block_z>);
-    addfunc("get_block_states", lua_wrap_errors<l_get_block_states>);
-    addfunc("set_block_states", lua_wrap_errors<l_set_block_states>);
-    addfunc("get_block_rotation", lua_wrap_errors<l_get_block_rotation>);
-    addfunc("set_block_rotation", lua_wrap_errors<l_set_block_rotation>);
-    addfunc("get_block_user_bits", lua_wrap_errors<l_get_block_user_bits>);
-    addfunc("set_block_user_bits", lua_wrap_errors<l_set_block_user_bits>);
 }
 
 void lua::LuaState::loadbuffer(int env, const std::string& src, const std::string& file) {
diff --git a/src/logic/scripting/lua/api_lua.cpp b/src/logic/scripting/lua/api_lua.cpp
deleted file mode 100644
index 258e9612..00000000
--- a/src/logic/scripting/lua/api_lua.cpp
+++ /dev/null
@@ -1,474 +0,0 @@
-#include "api_lua.h"
-
-#include "../scripting.h"
-#include "lua_util.h"
-
-#include <glm/glm.hpp>
-#include <iostream>
-
-#include "../../../files/files.h"
-#include "../../../physics/Hitbox.h"
-#include "../../../objects/Player.h"
-#include "../../../world/Level.h"
-#include "../../../world/World.h"
-#include "../../../content/Content.h"
-#include "../../../voxels/Block.h"
-#include "../../../voxels/Chunks.h"
-#include "../../../voxels/voxel.h"
-#include "../../../voxels/Chunk.h"
-#include "../../../items/ItemDef.h"
-#include "../../../items/Inventory.h"
-#include "../../../items/Inventories.h"
-#include "../../../lighting/Lighting.h"
-#include "../../../logic/BlocksController.h"
-#include "../../../window/Window.h"
-#include "../../../engine.h"
-
-fs::path resolve_path(lua_State* L, const std::string& path) {
-    try {
-        return scripting::engine->getPaths()->resolve(path);
-    } catch (const files_access_error& err) {
-        luaL_error(L, err.what());
-        abort(); // unreachable
-    }
-}
-
-/* == file library == */
-int l_file_resolve(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushstring(L, path.u8string().c_str());
-    return 1;
-}
-
-int l_file_read(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    if (fs::is_regular_file(path)) {
-        lua_pushstring(L, files::read_string(path).c_str());
-        return 1;
-    }
-    return luaL_error(L, "file does not exists '%s'", path.u8string().c_str());
-}
-
-int l_file_write(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    const char* text = lua_tostring(L, 2);
-    files::write_string(path, text);
-    return 1;    
-}
-
-int l_file_exists(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushboolean(L, fs::exists(path));
-    return 1;
-}
-
-int l_file_isfile(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushboolean(L, fs::is_regular_file(path));
-    return 1;
-}
-
-int l_file_isdir(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushboolean(L, fs::is_directory(path));
-    return 1;
-}
-
-int l_file_length(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    if (fs::exists(path)){
-        lua_pushinteger(L, fs::file_size(path));
-    } else {
-        lua_pushinteger(L, -1);
-    }
-    return 1;
-}
-
-int l_file_mkdir(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushboolean(L, fs::create_directory(path));
-    return 1;    
-}
-
-int l_file_mkdirs(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    lua_pushboolean(L, fs::create_directories(path));
-    return 1;    
-}
-
-int l_file_read_bytes(lua_State* L) {
-    fs::path path = resolve_path(L, lua_tostring(L, 1));
-    if (fs::is_regular_file(path)) {
-        size_t length = (size_t) fs::file_size(path);
-
-        ubyte* bytes = files::read_bytes(path, length);
-
-        lua_createtable(L, length, 0);
-        int newTable = lua_gettop(L);
-
-        for(size_t i = 0; i < length; i++) {
-            lua_pushnumber(L, bytes[i]);
-            lua_rawseti(L, newTable, i+1);
-        }
-        return 1;
-    }
-    return luaL_error(L, "file does not exists '%s'", path.u8string().c_str());   
-}
-
-int l_file_write_bytes(lua_State* L) {
-    int pathIndex = 1;
-
-    if(!lua_isstring(L, pathIndex)) {
-        return luaL_error(L, "string expected");
-    }
-
-    fs::path path = resolve_path(L, lua_tostring(L, pathIndex));
-
-    std::vector<ubyte> bytes;
-
-    size_t len = lua_objlen(L, 2);
-
-    int bytesIndex = -1;
-
-    if(!lua_istable(L, bytesIndex)) {
-        return luaL_error(L, "table expected");
-    } else {
-        lua_pushnil(L);
-
-        bytesIndex--;
-
-        size_t i = 1;
-
-        while(lua_next(L, bytesIndex) != 0) {
-            if(i >= len) {
-                break;
-            }
-
-            const int byte = lua_tointeger(L, -1);
-
-            if(byte < 0 || byte > 255) {
-                return luaL_error(L, "byte '%i' at index '%i' is less than 0 or greater than 255", byte, i);
-            }
-
-            bytes.push_back(byte);
-                
-            lua_pop(L, 1);
-
-            i++;
-        }
-
-        lua_pushboolean(L, files::write_bytes(path, &bytes[0], len));
-        return 1;
-    }
-}
-
-/* == time library == */
-int l_time_uptime(lua_State* L) {
-    lua_pushnumber(L, Window::time());
-    return 1;
-}
-
-int l_time_delta(lua_State* L) {
-    lua_pushnumber(L, scripting::engine->getDelta());
-    return 1;
-}
-
-/* == pack library == */
-int l_pack_get_folder(lua_State* L) {
-    std::string packName = lua_tostring(L, 1);
-    if (packName == "core") {
-        auto folder = scripting::engine->getPaths()
-                                       ->getResources().u8string()+"/";
-        lua_pushstring(L, folder.c_str());
-        return 1;
-    }
-    for (auto& pack : scripting::engine->getContentPacks()) {
-        if (pack.id == packName) {
-            lua_pushstring(L, (pack.folder.u8string()+"/").c_str());
-            return 1;
-        }
-    }
-    lua_pushstring(L, "");
-    return 1;
-}
-
-/* == world library == */
-int l_world_get_total_time(lua_State* L) {
-    lua_pushnumber(L, scripting::level->world->totalTime);
-    return 1;
-}
-
-int l_world_get_day_time(lua_State* L) {
-    lua_pushnumber(L, scripting::level->world->daytime);
-    return 1;
-}
-
-int l_world_set_day_time(lua_State* L) {
-    double value = lua_tonumber(L, 1);
-    scripting::level->world->daytime = fmod(value, 1.0);
-    return 0;
-}
-
-int l_world_get_seed(lua_State* L) {
-    lua_pushinteger(L, scripting::level->world->getSeed());
-    return 1;
-}
-
-/* == item library == */
-int l_item_name(lua_State* L) {
-    auto indices = scripting::content->getIndices();
-    lua::luaint id = lua_tointeger(L, 1);
-    if (id < 0 || size_t(id) >= indices->countItemDefs()) {
-        return 0;
-    }
-    auto def = indices->getItemDef(id);
-    lua_pushstring(L, def->name.c_str());
-    return 1;
-}
-
-int l_item_index(lua_State* L) {
-    auto name = lua_tostring(L, 1);
-    lua_pushinteger(L, scripting::content->requireItem(name).rt.id);
-    return 1;
-}
-
-int l_item_stack_size(lua_State* L) {
-    auto indices = scripting::content->getIndices();
-    lua::luaint id = lua_tointeger(L, 1);
-    if (id < 0 || size_t(id) >= indices->countItemDefs()) {
-        return 0;
-    }
-    auto def = indices->getItemDef(id);
-    lua_pushinteger(L, def->stackSize);
-    return 1;
-}
-
-int l_item_defs_count(lua_State* L) {
-    lua_pushinteger(L, scripting::indices->countItemDefs());
-    return 1;
-}
-
-/* == blocks-related functions == */
-int l_block_name(lua_State* L) {
-    auto indices = scripting::content->getIndices();
-    lua::luaint id = lua_tointeger(L, 1);
-    if (id < 0 || size_t(id) >= indices->countBlockDefs()) {
-        return 0;
-    }
-    auto def = indices->getBlockDef(id);
-    lua_pushstring(L, def->name.c_str());
-    return 1;
-}
-
-int l_is_solid_at(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-
-    lua_pushboolean(L, scripting::level->chunks->isSolidBlock(x, y, z));
-    return 1;
-}
-
-int l_blocks_count(lua_State* L) {
-    lua_pushinteger(L, scripting::indices->countBlockDefs());
-    return 1;
-}
-
-int l_block_index(lua_State* L) {
-    auto name = lua_tostring(L, 1);
-    lua_pushinteger(L, scripting::content->requireBlock(name).rt.id);
-    return 1;
-}
-
-int l_set_block(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    lua::luaint id = lua_tointeger(L, 4);    
-    lua::luaint states = lua_tointeger(L, 5);
-    bool noupdate = lua_toboolean(L, 6);
-    if (id < 0 || size_t(id) >= scripting::indices->countBlockDefs()) {
-        return 0;
-    }
-    scripting::level->chunks->set(x, y, z, id, states);
-    scripting::level->lighting->onBlockSet(x,y,z, id);
-    if (!noupdate)
-        scripting::blocks->updateSides(x, y, z);
-    return 0;
-}
-
-int l_get_block(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    int id = vox == nullptr ? -1 : vox->id;
-    lua_pushinteger(L, id);
-    return 1;
-}
-
-int l_get_block_x(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        return lua::pushivec3(L, 1, 0, 0);
-    }
-    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
-    if (!def->rotatable) {
-        return lua::pushivec3(L, 1, 0, 0);
-    } else {
-        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
-        return lua::pushivec3(L, rot.axisX.x, rot.axisX.y, rot.axisX.z);
-    }
-}
-
-int l_get_block_y(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        return lua::pushivec3(L, 0, 1, 0);
-    }
-    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
-    if (!def->rotatable) {
-        return lua::pushivec3(L, 0, 1, 0);
-    } else {
-        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
-        return lua::pushivec3(L, rot.axisY.x, rot.axisY.y, rot.axisY.z);
-    }
-}
-
-int l_get_block_z(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        return lua::pushivec3(L, 0, 0, 1);
-    }
-    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
-    if (!def->rotatable) {
-        return lua::pushivec3(L, 0, 0, 1);
-    } else {
-        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
-        return lua::pushivec3(L, rot.axisZ.x, rot.axisZ.y, rot.axisZ.z);
-    }
-}
-
-int l_get_block_rotation(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    int rotation = vox == nullptr ? 0 : vox->rotation();
-    lua_pushinteger(L, rotation);
-    return 1;
-}
-
-int l_set_block_rotation(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    lua::luaint value = lua_tointeger(L, 4);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        return 0;
-    }
-    vox->setRotation(value);
-    scripting::level->chunks->getChunkByVoxel(x, y, z)->setModified(true);
-    return 0;
-}
-
-int l_get_block_states(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    int states = vox == nullptr ? 0 : vox->states;
-    lua_pushinteger(L, states);
-    return 1;
-}
-
-int l_set_block_states(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    lua::luaint states = lua_tointeger(L, 4);
-
-    Chunk* chunk = scripting::level->chunks->getChunkByVoxel(x, y, z);
-    if (chunk == nullptr) {
-        return 0;
-    }
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    vox->states = states;
-    chunk->setModified(true);
-    return 0;
-}
-
-int l_get_block_user_bits(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    lua::luaint offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
-    lua::luaint bits = lua_tointeger(L, 5);
-
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        lua_pushinteger(L, 0);
-        return 1;
-    }
-    uint mask = ((1 << bits) - 1) << offset;
-    uint data = (vox->states & mask) >> offset;
-    lua_pushinteger(L, data);
-    return 1;
-}
-
-int l_set_block_user_bits(lua_State* L) {
-    lua::luaint x = lua_tointeger(L, 1);
-    lua::luaint y = lua_tointeger(L, 2);
-    lua::luaint z = lua_tointeger(L, 3);
-    lua::luaint offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
-    lua::luaint bits = lua_tointeger(L, 5);
-
-    uint mask = ((1 << bits) - 1) << offset;
-    lua::luaint value = (lua_tointeger(L, 6) << offset) & mask;
-    
-    voxel* vox = scripting::level->chunks->get(x, y, z);
-    if (vox == nullptr) {
-        return 0;
-    }
-    vox->states = (vox->states & (~mask)) | value;
-    return 0;
-}
-
-int l_is_replaceable_at(lua_State* L) {
-    int x = lua_tointeger(L, 1);
-    int y = lua_tointeger(L, 2);
-    int z = lua_tointeger(L, 3);
-
-    lua_pushboolean(L, scripting::level->chunks->isReplaceableBlock(x, y, z));
-    return 1;
-}
-
-int l_print(lua_State* L) {
-    int n = lua_gettop(L);  /* number of arguments */
-    lua_getglobal(L, "tostring");
-    for (int i=1; i<=n; i++) {
-        lua_pushvalue(L, -1);  /* function to be called */
-        lua_pushvalue(L, i);   /* value to print */
-        lua_call(L, 1, 1);
-        const char* s = lua_tostring(L, -1);  /* get result */
-        if (s == NULL)
-            return luaL_error(L, LUA_QL("tostring") " must return a string to "
-                                 LUA_QL("print"));
-        if (i > 1)
-            std::cout << "\t";
-        std::cout << s;
-        lua_pop(L, 1);  /* pop result */
-    }
-    std::cout << std::endl;
-    return 0;
-}
diff --git a/src/logic/scripting/lua/api_lua.h b/src/logic/scripting/lua/api_lua.h
index aecadf06..5cc5a6a7 100644
--- a/src/logic/scripting/lua/api_lua.h
+++ b/src/logic/scripting/lua/api_lua.h
@@ -3,100 +3,21 @@
 
 #include <exception>
 #include "lua_commons.h"
-
-/* == file library == */
-extern int l_file_resolve(lua_State* L);
-extern int l_file_read(lua_State* L);
-extern int l_file_write(lua_State* L);
-extern int l_file_exists(lua_State* L);
-extern int l_file_isfile(lua_State* L);
-extern int l_file_isdir(lua_State* L);
-extern int l_file_length(lua_State* L);
-extern int l_file_mkdir(lua_State* L);
-extern int l_file_mkdirs(lua_State* L);
-extern int l_file_read_bytes(lua_State* L);
-extern int l_file_write_bytes(lua_State* L);
-
-static const luaL_Reg filelib [] = {
-    {"resolve", lua_wrap_errors<l_file_resolve>},
-    {"read", lua_wrap_errors<l_file_read>},
-    {"write", lua_wrap_errors<l_file_write>},
-    {"exists", lua_wrap_errors<l_file_exists>},
-    {"isfile", lua_wrap_errors<l_file_isfile>},
-    {"isdir", lua_wrap_errors<l_file_isdir>},
-    {"length", lua_wrap_errors<l_file_length>},
-    {"mkdir", lua_wrap_errors<l_file_mkdir>},
-    {"mkdirs", lua_wrap_errors<l_file_mkdirs>},
-    {"read_bytes", lua_wrap_errors<l_file_read_bytes>},
-    {"write_bytes", lua_wrap_errors<l_file_write_bytes>},
-    {NULL, NULL}
-};
-
-/* == time library == */
-extern int l_time_uptime(lua_State* L);
-extern int l_time_delta(lua_State* L);
-
-static const luaL_Reg timelib [] = {
-    {"uptime", lua_wrap_errors<l_time_uptime>},
-    {"delta", lua_wrap_errors<l_time_delta>},
-    {NULL, NULL}
-};
  
-/* == pack library == */
-extern int l_pack_get_folder(lua_State* L);
+// Libraries
+extern const luaL_Reg packlib [];
+extern const luaL_Reg timelib [];
+extern const luaL_Reg filelib [];
+extern const luaL_Reg worldlib [];
+extern const luaL_Reg blocklib [];
+extern const luaL_Reg itemlib [];
+extern const luaL_Reg playerlib [];
+extern const luaL_Reg inventorylib [];
+extern const luaL_Reg guilib [];
+extern const luaL_Reg hudlib [];
 
-static const luaL_Reg packlib [] = {
-    {"get_folder", lua_wrap_errors<l_pack_get_folder>},
-    {NULL, NULL}
-};
 
-/* == world library == */
-extern int l_world_get_total_time(lua_State* L);
-extern int l_world_get_day_time(lua_State* L);
-extern int l_world_set_day_time(lua_State* L);
-extern int l_world_get_seed(lua_State* L);
-
-static const luaL_Reg worldlib [] = {
-    {"get_total_time", lua_wrap_errors<l_world_get_total_time>},
-    {"get_day_time", lua_wrap_errors<l_world_get_day_time>},
-    {"set_day_time", lua_wrap_errors<l_world_set_day_time>},
-    {"get_seed", lua_wrap_errors<l_world_get_seed>},
-    {NULL, NULL}
-};
-
-/* == item library == */
-extern int l_item_name(lua_State* L);
-extern int l_item_index(lua_State* L);
-extern int l_item_stack_size(lua_State* L);
-extern int l_item_defs_count(lua_State* L);
-
-static const luaL_Reg itemlib [] = {
-    {"index", lua_wrap_errors<l_item_index>},
-    {"name", lua_wrap_errors<l_item_name>},
-    {"stack_size", lua_wrap_errors<l_item_stack_size>},
-    {"defs_count", lua_wrap_errors<l_item_defs_count>},
-    {NULL, NULL}
-};
-
-/* == blocks-related functions == */
-extern int l_block_name(lua_State* L);
-extern int l_is_solid_at(lua_State* L);
-extern int l_blocks_count(lua_State* L);
-extern int l_block_index(lua_State* L);
-extern int l_set_block(lua_State* L);
-extern int l_get_block(lua_State* L);
-extern int l_get_block_x(lua_State* L);
-extern int l_get_block_y(lua_State* L);
-extern int l_get_block_z(lua_State* L);
-extern int l_get_block_states(lua_State* L);
-extern int l_set_block_states(lua_State* L);
-extern int l_get_block_rotation(lua_State* L);
-extern int l_set_block_rotation(lua_State* L);
-extern int l_get_block_user_bits(lua_State* L);
-extern int l_set_block_user_bits(lua_State* L);
-extern int l_is_replaceable_at(lua_State* L);
-
-// Modified version of luaB_print from lbaselib.c
+// Lua Overrides
 extern int l_print(lua_State* L);
 
 #endif // LOGIC_SCRIPTING_API_LUA_H_
diff --git a/src/logic/scripting/lua/libblock.cpp b/src/logic/scripting/lua/libblock.cpp
new file mode 100644
index 00000000..56b3d963
--- /dev/null
+++ b/src/logic/scripting/lua/libblock.cpp
@@ -0,0 +1,234 @@
+#include "lua_commons.h"
+#include "api_lua.h"
+#include "lua_util.h"
+#include "../scripting.h"
+#include "../../../world/Level.h"
+#include "../../../voxels/Chunks.h"
+#include "../../../voxels/Chunk.h"
+#include "../../../voxels/Block.h"
+#include "../../../voxels/voxel.h"
+#include "../../../lighting/Lighting.h"
+#include "../../../content/Content.h"
+#include "../../../logic/BlocksController.h"
+
+int l_block_name(lua_State* L) {
+    auto indices = scripting::content->getIndices();
+    lua::luaint id = lua_tointeger(L, 1);
+    if (id < 0 || size_t(id) >= indices->countBlockDefs()) {
+        return 0;
+    }
+    auto def = indices->getBlockDef(id);
+    lua_pushstring(L, def->name.c_str());
+    return 1;
+}
+
+int l_is_solid_at(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+
+    lua_pushboolean(L, scripting::level->chunks->isSolidBlock(x, y, z));
+    return 1;
+}
+
+int l_blocks_count(lua_State* L) {
+    lua_pushinteger(L, scripting::indices->countBlockDefs());
+    return 1;
+}
+
+int l_block_index(lua_State* L) {
+    auto name = lua_tostring(L, 1);
+    lua_pushinteger(L, scripting::content->requireBlock(name).rt.id);
+    return 1;
+}
+
+int l_set_block(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    lua::luaint id = lua_tointeger(L, 4);    
+    lua::luaint states = lua_tointeger(L, 5);
+    bool noupdate = lua_toboolean(L, 6);
+    if (id < 0 || size_t(id) >= scripting::indices->countBlockDefs()) {
+        return 0;
+    }
+    scripting::level->chunks->set(x, y, z, id, states);
+    scripting::level->lighting->onBlockSet(x,y,z, id);
+    if (!noupdate)
+        scripting::blocks->updateSides(x, y, z);
+    return 0;
+}
+
+int l_get_block(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    int id = vox == nullptr ? -1 : vox->id;
+    lua_pushinteger(L, id);
+    return 1;
+}
+
+int l_get_block_x(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        return lua::pushivec3(L, 1, 0, 0);
+    }
+    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
+    if (!def->rotatable) {
+        return lua::pushivec3(L, 1, 0, 0);
+    } else {
+        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
+        return lua::pushivec3(L, rot.axisX.x, rot.axisX.y, rot.axisX.z);
+    }
+}
+
+int l_get_block_y(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        return lua::pushivec3(L, 0, 1, 0);
+    }
+    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
+    if (!def->rotatable) {
+        return lua::pushivec3(L, 0, 1, 0);
+    } else {
+        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
+        return lua::pushivec3(L, rot.axisY.x, rot.axisY.y, rot.axisY.z);
+    }
+}
+
+int l_get_block_z(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        return lua::pushivec3(L, 0, 0, 1);
+    }
+    auto def = scripting::level->content->getIndices()->getBlockDef(vox->id);
+    if (!def->rotatable) {
+        return lua::pushivec3(L, 0, 0, 1);
+    } else {
+        const CoordSystem& rot = def->rotations.variants[vox->rotation()];
+        return lua::pushivec3(L, rot.axisZ.x, rot.axisZ.y, rot.axisZ.z);
+    }
+}
+
+int l_get_block_rotation(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    int rotation = vox == nullptr ? 0 : vox->rotation();
+    lua_pushinteger(L, rotation);
+    return 1;
+}
+
+int l_set_block_rotation(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    lua::luaint value = lua_tointeger(L, 4);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        return 0;
+    }
+    vox->setRotation(value);
+    scripting::level->chunks->getChunkByVoxel(x, y, z)->setModified(true);
+    return 0;
+}
+
+int l_get_block_states(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    int states = vox == nullptr ? 0 : vox->states;
+    lua_pushinteger(L, states);
+    return 1;
+}
+
+int l_set_block_states(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    lua::luaint states = lua_tointeger(L, 4);
+
+    Chunk* chunk = scripting::level->chunks->getChunkByVoxel(x, y, z);
+    if (chunk == nullptr) {
+        return 0;
+    }
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    vox->states = states;
+    chunk->setModified(true);
+    return 0;
+}
+
+int l_get_block_user_bits(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    lua::luaint offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
+    lua::luaint bits = lua_tointeger(L, 5);
+
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        lua_pushinteger(L, 0);
+        return 1;
+    }
+    uint mask = ((1 << bits) - 1) << offset;
+    uint data = (vox->states & mask) >> offset;
+    lua_pushinteger(L, data);
+    return 1;
+}
+
+int l_set_block_user_bits(lua_State* L) {
+    lua::luaint x = lua_tointeger(L, 1);
+    lua::luaint y = lua_tointeger(L, 2);
+    lua::luaint z = lua_tointeger(L, 3);
+    lua::luaint offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
+    lua::luaint bits = lua_tointeger(L, 5);
+
+    uint mask = ((1 << bits) - 1) << offset;
+    lua::luaint value = (lua_tointeger(L, 6) << offset) & mask;
+    
+    voxel* vox = scripting::level->chunks->get(x, y, z);
+    if (vox == nullptr) {
+        return 0;
+    }
+    vox->states = (vox->states & (~mask)) | value;
+    return 0;
+}
+
+int l_is_replaceable_at(lua_State* L) {
+    int x = lua_tointeger(L, 1);
+    int y = lua_tointeger(L, 2);
+    int z = lua_tointeger(L, 3);
+
+    lua_pushboolean(L, scripting::level->chunks->isReplaceableBlock(x, y, z));
+    return 1;
+}
+
+const luaL_Reg blocklib [] = {
+    {"index", lua_wrap_errors<l_block_index>},
+    {"name", lua_wrap_errors<l_block_name>},
+    {"defs_count", lua_wrap_errors<l_blocks_count>},
+    {"is_solid_at", lua_wrap_errors<l_is_solid_at>},
+    {"is_replaceable_at", lua_wrap_errors<l_is_replaceable_at>},
+    {"set", lua_wrap_errors<l_set_block>},
+    {"get", lua_wrap_errors<l_get_block>},
+    {"get_X", lua_wrap_errors<l_get_block_x>},
+    {"get_Y", lua_wrap_errors<l_get_block_y>},
+    {"get_Z", lua_wrap_errors<l_get_block_z>},
+    {"get_states", lua_wrap_errors<l_get_block_states>},
+    {"set_states", lua_wrap_errors<l_set_block_states>},
+    {"get_user_bits", lua_wrap_errors<l_get_block_user_bits>},
+    {"set_user_bits", lua_wrap_errors<l_set_block_user_bits>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libfile.cpp b/src/logic/scripting/lua/libfile.cpp
new file mode 100644
index 00000000..73d69de3
--- /dev/null
+++ b/src/logic/scripting/lua/libfile.cpp
@@ -0,0 +1,163 @@
+#include "lua_commons.h"
+#include "api_lua.h"
+#include "../scripting.h"
+#include "../../../engine.h"
+#include "../../../files/files.h"
+#include "../../../files/engine_paths.h"
+
+#include <string>
+#include <filesystem>
+
+namespace fs = std::filesystem;
+
+static fs::path resolve_path(lua_State* L, const std::string& path) {
+    try {
+        return scripting::engine->getPaths()->resolve(path);
+    } catch (const files_access_error& err) {
+        luaL_error(L, err.what());
+        abort(); // unreachable
+    }
+}
+
+static int l_file_resolve(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushstring(L, path.u8string().c_str());
+    return 1;
+}
+
+static int l_file_read(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    if (fs::is_regular_file(path)) {
+        lua_pushstring(L, files::read_string(path).c_str());
+        return 1;
+    }
+    return luaL_error(L, "file does not exists '%s'", path.u8string().c_str());
+}
+
+static int l_file_write(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    const char* text = lua_tostring(L, 2);
+    files::write_string(path, text);
+    return 1;    
+}
+
+static int l_file_exists(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushboolean(L, fs::exists(path));
+    return 1;
+}
+
+static int l_file_isfile(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushboolean(L, fs::is_regular_file(path));
+    return 1;
+}
+
+static int l_file_isdir(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushboolean(L, fs::is_directory(path));
+    return 1;
+}
+
+static int l_file_length(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    if (fs::exists(path)){
+        lua_pushinteger(L, fs::file_size(path));
+    } else {
+        lua_pushinteger(L, -1);
+    }
+    return 1;
+}
+
+static int l_file_mkdir(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushboolean(L, fs::create_directory(path));
+    return 1;    
+}
+
+static int l_file_mkdirs(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    lua_pushboolean(L, fs::create_directories(path));
+    return 1;    
+}
+
+static int l_file_read_bytes(lua_State* L) {
+    fs::path path = resolve_path(L, lua_tostring(L, 1));
+    if (fs::is_regular_file(path)) {
+        size_t length = (size_t) fs::file_size(path);
+
+        ubyte* bytes = files::read_bytes(path, length);
+
+        lua_createtable(L, length, 0);
+        int newTable = lua_gettop(L);
+
+        for(size_t i = 0; i < length; i++) {
+            lua_pushnumber(L, bytes[i]);
+            lua_rawseti(L, newTable, i+1);
+        }
+        return 1;
+    }
+    return luaL_error(L, "file does not exists '%s'", path.u8string().c_str());   
+}
+
+static int l_file_write_bytes(lua_State* L) {
+    int pathIndex = 1;
+
+    if(!lua_isstring(L, pathIndex)) {
+        return luaL_error(L, "string expected");
+    }
+
+    fs::path path = resolve_path(L, lua_tostring(L, pathIndex));
+
+    std::vector<ubyte> bytes;
+
+    size_t len = lua_objlen(L, 2);
+
+    int bytesIndex = -1;
+
+    if(!lua_istable(L, bytesIndex)) {
+        return luaL_error(L, "table expected");
+    } else {
+        lua_pushnil(L);
+
+        bytesIndex--;
+
+        size_t i = 1;
+
+        while(lua_next(L, bytesIndex) != 0) {
+            if(i >= len) {
+                break;
+            }
+
+            const int byte = lua_tointeger(L, -1);
+
+            if(byte < 0 || byte > 255) {
+                return luaL_error(L, "byte '%i' at index '%i' is less than 0 or greater than 255", byte, i);
+            }
+
+            bytes.push_back(byte);
+                
+            lua_pop(L, 1);
+
+            i++;
+        }
+
+        lua_pushboolean(L, files::write_bytes(path, &bytes[0], len));
+        return 1;
+    }
+}
+
+const luaL_Reg filelib [] = {
+    {"resolve", lua_wrap_errors<l_file_resolve>},
+    {"read", lua_wrap_errors<l_file_read>},
+    {"write", lua_wrap_errors<l_file_write>},
+    {"exists", lua_wrap_errors<l_file_exists>},
+    {"isfile", lua_wrap_errors<l_file_isfile>},
+    {"isdir", lua_wrap_errors<l_file_isdir>},
+    {"length", lua_wrap_errors<l_file_length>},
+    {"mkdir", lua_wrap_errors<l_file_mkdir>},
+    {"mkdirs", lua_wrap_errors<l_file_mkdirs>},
+    {"read_bytes", lua_wrap_errors<l_file_read_bytes>},
+    {"write_bytes", lua_wrap_errors<l_file_write_bytes>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libgui.cpp b/src/logic/scripting/lua/libgui.cpp
index d83c57f9..11d563af 100644
--- a/src/logic/scripting/lua/libgui.cpp
+++ b/src/logic/scripting/lua/libgui.cpp
@@ -1,4 +1,5 @@
-#include "libgui.h"
+#include "lua_commons.h"
+#include "api_lua.h"
 
 #include <iostream>
 #include "../scripting.h"
@@ -161,7 +162,7 @@ static bool setattr(lua_State* L, gui::Label* label, const std::string& attr) {
     return false;
 }
 
-int l_gui_getattr(lua_State* L) {
+static int l_gui_getattr(lua_State* L) {
     auto docname = lua_tostring(L, 1);
     auto element = lua_tostring(L, 2);
     const std::string attr = lua_tostring(L, 3);
@@ -197,12 +198,12 @@ int l_gui_getattr(lua_State* L) {
     return 0;
 }
 
-int l_gui_getviewport(lua_State* L) {
+static int l_gui_getviewport(lua_State* L) {
     lua::pushvec2_arr(L, scripting::engine->getGUI()->getContainer()->getSize());
     return 1;
 }
 
-int l_gui_setattr(lua_State* L) {
+static int l_gui_setattr(lua_State* L) {
     auto docname = lua_tostring(L, 1);
     auto element = lua_tostring(L, 2);
     const std::string attr = lua_tostring(L, 3);
@@ -235,7 +236,7 @@ int l_gui_setattr(lua_State* L) {
     return 0;
 }
 
-int l_gui_get_env(lua_State* L) {
+static int l_gui_get_env(lua_State* L) {
     auto name = lua_tostring(L, 1);
     auto doc = scripting::engine->getAssets()->getLayout(name);
     if (doc == nullptr) {
@@ -244,3 +245,11 @@ int l_gui_get_env(lua_State* L) {
     lua_getglobal(L, lua::LuaState::envName(doc->getEnvironment()).c_str());
     return 1;
 }
+
+const luaL_Reg guilib [] = {
+    {"get_viewport", lua_wrap_errors<l_gui_getviewport>},
+    {"getattr", lua_wrap_errors<l_gui_getattr>},
+    {"setattr", lua_wrap_errors<l_gui_setattr>},
+    {"get_env", lua_wrap_errors<l_gui_get_env>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libgui.h b/src/logic/scripting/lua/libgui.h
deleted file mode 100644
index bbc225b8..00000000
--- a/src/logic/scripting/lua/libgui.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#ifndef LOGIC_SCRIPTING_API_LIBGUI_H_
-#define LOGIC_SCRIPTING_API_LIBGUI_H_
-
-#include "lua_commons.h"
-
-extern int l_gui_getviewport(lua_State* L);
-extern int l_gui_getattr(lua_State* L);
-extern int l_gui_setattr(lua_State* L);
-extern int l_gui_get_env(lua_State* L);
-
-static const luaL_Reg guilib [] = {
-    {"get_viewport", lua_wrap_errors<l_gui_getviewport>},
-    {"getattr", lua_wrap_errors<l_gui_getattr>},
-    {"setattr", lua_wrap_errors<l_gui_setattr>},
-    {"get_env", lua_wrap_errors<l_gui_get_env>},
-    {NULL, NULL}
-};
-
-#endif // LOGIC_SCRIPTING_API_LIBGUI_H_
diff --git a/src/logic/scripting/lua/libhud.cpp b/src/logic/scripting/lua/libhud.cpp
index a3289968..85567d75 100644
--- a/src/logic/scripting/lua/libhud.cpp
+++ b/src/logic/scripting/lua/libhud.cpp
@@ -1,4 +1,5 @@
-#include "libhud.h"
+#include "lua_commons.h"
+#include "api_lua.h"
 #include "LuaState.h"
 
 #include <iostream>
@@ -22,21 +23,21 @@ namespace scripting {
     extern Hud* hud;
 }
 
-int l_hud_open_inventory(lua_State* L) {
+static int l_hud_open_inventory(lua_State* L) {
     if (!scripting::hud->isInventoryOpen()) {
         scripting::hud->openInventory();
     }
     return 0;
 }
 
-int l_hud_close_inventory(lua_State* L) {
+static int l_hud_close_inventory(lua_State* L) {
     if (scripting::hud->isInventoryOpen()) {
         scripting::hud->closeInventory();
     }
     return 0;
 }
 
-int l_hud_open_block(lua_State* L) {
+static int l_hud_open_block(lua_State* L) {
     lua::luaint x = lua_tointeger(L, 1);
     lua::luaint y = lua_tointeger(L, 2);
     lua::luaint z = lua_tointeger(L, 3);
@@ -64,7 +65,7 @@ int l_hud_open_block(lua_State* L) {
     return 2;
 }
 
-UiDocument* require_layout(lua_State* L, const char* name) {
+static UiDocument* require_layout(lua_State* L, const char* name) {
     auto assets = scripting::engine->getAssets();
     auto layout = assets->getLayout(name);
     if (layout == nullptr) {
@@ -73,14 +74,23 @@ UiDocument* require_layout(lua_State* L, const char* name) {
     return layout;
 }
 
-int l_hud_open_permanent(lua_State* L) {
+static int l_hud_open_permanent(lua_State* L) {
     auto layout = require_layout(L, lua_tostring(L, 1));
     scripting::hud->openPermanent(layout);
     return 0;
 }
 
-int l_hud_close(lua_State* L) {
+static int l_hud_close(lua_State* L) {
     auto layout = require_layout(L, lua_tostring(L, 1));
     scripting::hud->remove(layout->getRoot());
     return 0;
 }
+
+const luaL_Reg hudlib [] = {
+    {"open_inventory", lua_wrap_errors<l_hud_open_inventory>},
+    {"close_inventory", lua_wrap_errors<l_hud_close_inventory>},
+    {"open_block", lua_wrap_errors<l_hud_open_block>},
+    {"open_permanent", lua_wrap_errors<l_hud_open_permanent>},
+    {"close", lua_wrap_errors<l_hud_close>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libhud.h b/src/logic/scripting/lua/libhud.h
deleted file mode 100644
index 88800dfe..00000000
--- a/src/logic/scripting/lua/libhud.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef LOGIC_SCRIPTING_API_LIBHUD_H_
-#define LOGIC_SCRIPTING_API_LIBHUD_H_
-
-#include "lua_commons.h"
-
-extern int l_hud_open_inventory(lua_State* L);
-extern int l_hud_close_inventory(lua_State* L);
-extern int l_hud_open_block(lua_State* L);
-extern int l_hud_open_permanent(lua_State* L);
-extern int l_hud_close(lua_State* L);
-
-static const luaL_Reg hudlib [] = {
-    {"open_inventory", lua_wrap_errors<l_hud_open_inventory>},
-    {"close_inventory", lua_wrap_errors<l_hud_close_inventory>},
-    {"open_block", lua_wrap_errors<l_hud_open_block>},
-    {"open_permanent", lua_wrap_errors<l_hud_open_permanent>},
-    {"close", lua_wrap_errors<l_hud_close>},
-    {NULL, NULL}
-};
-
-#endif // LOGIC_SCRIPTING_API_LIBHUD_H_
diff --git a/src/logic/scripting/lua/libinventory.cpp b/src/logic/scripting/lua/libinventory.cpp
index 8e657d6a..c2221d7c 100644
--- a/src/logic/scripting/lua/libinventory.cpp
+++ b/src/logic/scripting/lua/libinventory.cpp
@@ -1,4 +1,5 @@
-#include "libinventory.h"
+#include "lua_commons.h"
+#include "api_lua.h"
 
 #include "lua_util.h"
 #include "../scripting.h"
@@ -14,8 +15,7 @@ static void validate_itemid(lua_State* L, itemid_t id) {
     }
 }
 
-/* == inventory library == */
-int l_inventory_get(lua_State* L) {
+static int l_inventory_get(lua_State* L) {
     lua::luaint invid = lua_tointeger(L, 1);
     lua::luaint slotid = lua_tointeger(L, 2);
     auto inv = scripting::level->inventories->get(invid);
@@ -31,7 +31,7 @@ int l_inventory_get(lua_State* L) {
     return 2;
 }
 
-int l_inventory_set(lua_State* L) {
+static int l_inventory_set(lua_State* L) {
     lua::luaint invid = lua_tointeger(L, 1);
     lua::luaint slotid = lua_tointeger(L, 2);
     lua::luaint itemid = lua_tointeger(L, 3);
@@ -50,7 +50,7 @@ int l_inventory_set(lua_State* L) {
     return 0;
 }
 
-int l_inventory_size(lua_State* L) {
+static int l_inventory_size(lua_State* L) {
     lua::luaint invid = lua_tointeger(L, 1);
     auto inv = scripting::level->inventories->get(invid);
     if (inv == nullptr) {
@@ -60,7 +60,7 @@ int l_inventory_size(lua_State* L) {
     return 1;
 }
 
-int l_inventory_add(lua_State* L) {
+static int l_inventory_add(lua_State* L) {
     lua::luaint invid = lua_tointeger(L, 1);
     lua::luaint itemid = lua_tointeger(L, 2);
     lua::luaint count = lua_tointeger(L, 3);
@@ -76,7 +76,7 @@ int l_inventory_add(lua_State* L) {
     return 1;
 }
 
-int l_inventory_get_block(lua_State* L) {
+static int l_inventory_get_block(lua_State* L) {
     lua::luaint x = lua_tointeger(L, 1);
     lua::luaint y = lua_tointeger(L, 2);
     lua::luaint z = lua_tointeger(L, 3);
@@ -85,7 +85,7 @@ int l_inventory_get_block(lua_State* L) {
     return 1;
 }
 
-int l_inventory_bind_block(lua_State* L) {
+static int l_inventory_bind_block(lua_State* L) {
     lua::luaint id = lua_tointeger(L, 1);
     lua::luaint x = lua_tointeger(L, 2);
     lua::luaint y = lua_tointeger(L, 3);
@@ -94,7 +94,7 @@ int l_inventory_bind_block(lua_State* L) {
     return 0;
 }
 
-int l_inventory_unbind_block(lua_State* L) {
+static int l_inventory_unbind_block(lua_State* L) {
     lua::luaint x = lua_tointeger(L, 1);
     lua::luaint y = lua_tointeger(L, 2);
     lua::luaint z = lua_tointeger(L, 3);
@@ -102,7 +102,7 @@ int l_inventory_unbind_block(lua_State* L) {
     return 0;
 }
 
-int l_inventory_clone(lua_State* L) {
+static int l_inventory_clone(lua_State* L) {
     lua::luaint id = lua_tointeger(L, 1);
     auto clone = scripting::level->inventories->clone(id);
     if (clone == nullptr) {
@@ -112,3 +112,16 @@ int l_inventory_clone(lua_State* L) {
     lua_pushinteger(L, clone->getId());
     return 1;
 }
+
+const luaL_Reg inventorylib [] = {
+    {"get", lua_wrap_errors<l_inventory_get>},
+    {"set", lua_wrap_errors<l_inventory_set>},
+    {"size", lua_wrap_errors<l_inventory_size>},
+    {"add", lua_wrap_errors<l_inventory_add>},
+    {"get_block", lua_wrap_errors<l_inventory_get_block>},
+    {"bind_block", lua_wrap_errors<l_inventory_bind_block>},
+    {"unbind_block", lua_wrap_errors<l_inventory_unbind_block>},
+    {"clone", lua_wrap_errors<l_inventory_clone>},
+    {NULL, NULL}
+};
+
diff --git a/src/logic/scripting/lua/libinventory.h b/src/logic/scripting/lua/libinventory.h
deleted file mode 100644
index feca2942..00000000
--- a/src/logic/scripting/lua/libinventory.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef LOGIC_SCRIPTING_API_LIBINVENTORY_H_
-#define LOGIC_SCRIPTING_API_LIBINVENTORY_H_
-
-#include "lua_commons.h"
-
-extern int l_inventory_get(lua_State* L);
-extern int l_inventory_set(lua_State* L);
-extern int l_inventory_size(lua_State* L);
-extern int l_inventory_add(lua_State* L);
-extern int l_inventory_get_block(lua_State* L);
-extern int l_inventory_bind_block(lua_State* L);
-extern int l_inventory_unbind_block(lua_State* L);
-extern int l_inventory_clone(lua_State* L);
-
-static const luaL_Reg inventorylib [] = {
-    {"get", lua_wrap_errors<l_inventory_get>},
-    {"set", lua_wrap_errors<l_inventory_set>},
-    {"size", lua_wrap_errors<l_inventory_size>},
-    {"add", lua_wrap_errors<l_inventory_add>},
-    {"get_block", lua_wrap_errors<l_inventory_get_block>},
-    {"bind_block", lua_wrap_errors<l_inventory_bind_block>},
-    {"unbind_block", lua_wrap_errors<l_inventory_unbind_block>},
-    {"clone", lua_wrap_errors<l_inventory_clone>},
-    {NULL, NULL}
-};
-
-#endif // LOGIC_SCRIPTING_API_LIBINVENTORY_H_
diff --git a/src/logic/scripting/lua/libitem.cpp b/src/logic/scripting/lua/libitem.cpp
new file mode 100644
index 00000000..2d1451f2
--- /dev/null
+++ b/src/logic/scripting/lua/libitem.cpp
@@ -0,0 +1,46 @@
+#include "lua_commons.h"
+#include "api_lua.h"
+#include "../scripting.h"
+#include "../../../content/Content.h"
+#include "../../../items/ItemDef.h"
+
+static int l_item_name(lua_State* L) {
+    auto indices = scripting::content->getIndices();
+    lua::luaint id = lua_tointeger(L, 1);
+    if (id < 0 || size_t(id) >= indices->countItemDefs()) {
+        return 0;
+    }
+    auto def = indices->getItemDef(id);
+    lua_pushstring(L, def->name.c_str());
+    return 1;
+}
+
+static int l_item_index(lua_State* L) {
+    auto name = lua_tostring(L, 1);
+    lua_pushinteger(L, scripting::content->requireItem(name).rt.id);
+    return 1;
+}
+
+static int l_item_stack_size(lua_State* L) {
+    auto indices = scripting::content->getIndices();
+    lua::luaint id = lua_tointeger(L, 1);
+    if (id < 0 || size_t(id) >= indices->countItemDefs()) {
+        return 0;
+    }
+    auto def = indices->getItemDef(id);
+    lua_pushinteger(L, def->stackSize);
+    return 1;
+}
+
+static int l_item_defs_count(lua_State* L) {
+    lua_pushinteger(L, scripting::indices->countItemDefs());
+    return 1;
+}
+
+const luaL_Reg itemlib [] = {
+    {"index", lua_wrap_errors<l_item_index>},
+    {"name", lua_wrap_errors<l_item_name>},
+    {"stack_size", lua_wrap_errors<l_item_stack_size>},
+    {"defs_count", lua_wrap_errors<l_item_defs_count>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libpack.cpp b/src/logic/scripting/lua/libpack.cpp
new file mode 100644
index 00000000..ff0b8186
--- /dev/null
+++ b/src/logic/scripting/lua/libpack.cpp
@@ -0,0 +1,31 @@
+#include "api_lua.h"
+#include "lua_commons.h"
+#include "../scripting.h"
+#include "../../../engine.h"
+#include "../../../files/engine_paths.h"
+
+#include <string>
+#include <filesystem>
+
+static int l_pack_get_folder(lua_State* L) {
+    std::string packName = lua_tostring(L, 1);
+    if (packName == "core") {
+        auto folder = scripting::engine->getPaths()
+                                       ->getResources().u8string()+"/";
+        lua_pushstring(L, folder.c_str());
+        return 1;
+    }
+    for (auto& pack : scripting::engine->getContentPacks()) {
+        if (pack.id == packName) {
+            lua_pushstring(L, (pack.folder.u8string()+"/").c_str());
+            return 1;
+        }
+    }
+    lua_pushstring(L, "");
+    return 1;
+}
+
+const luaL_Reg packlib [] = {
+    {"get_folder", lua_wrap_errors<l_pack_get_folder>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libplayer.cpp b/src/logic/scripting/lua/libplayer.cpp
index 05e70635..7806b535 100644
--- a/src/logic/scripting/lua/libplayer.cpp
+++ b/src/logic/scripting/lua/libplayer.cpp
@@ -1,4 +1,5 @@
-#include "libplayer.h"
+#include "lua_commons.h"
+#include "api_lua.h"
 #include "../scripting.h"
 #include "../../../world/Level.h"
 #include "../../../objects/Player.h"
@@ -8,8 +9,7 @@
 
 #include <glm/glm.hpp>
 
-/* == player library ==*/
-int l_player_get_pos(lua_State* L) {
+static int l_player_get_pos(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     auto player = scripting::level->getObject<Player>(playerid);
     if (!player) return 0;
@@ -20,7 +20,7 @@ int l_player_get_pos(lua_State* L) {
     return 3;
 }
 
-int l_player_set_pos(lua_State* L) {
+static int l_player_set_pos(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     lua::luanumber x = lua_tonumber(L, 2);
     lua::luanumber y = lua_tonumber(L, 3);
@@ -30,7 +30,7 @@ int l_player_set_pos(lua_State* L) {
     return 0;
 }
 
-int l_player_get_vel(lua_State* L) {
+static int l_player_get_vel(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     auto player = scripting::level->getObject<Player>(playerid);
     if (!player) return 0;
@@ -41,7 +41,7 @@ int l_player_get_vel(lua_State* L) {
     return 3;
 }
 
-int l_player_set_vel(lua_State* L) {
+static int l_player_set_vel(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     lua::luanumber x = lua_tonumber(L, 2);
     lua::luanumber y = lua_tonumber(L, 3);
@@ -51,7 +51,7 @@ int l_player_set_vel(lua_State* L) {
     return 0;
 }
 
-int l_player_get_rot(lua_State* L) {
+static int l_player_get_rot(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     auto player = scripting::level->getObject<Player>(playerid);
     if (!player) return 0;
@@ -61,7 +61,7 @@ int l_player_get_rot(lua_State* L) {
     return 2;
 }
 
-int l_player_set_rot(lua_State* L) {
+static int l_player_set_rot(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     auto player = scripting::level->getObject<Player>(playerid);
     if (!player) return 0;
@@ -73,7 +73,7 @@ int l_player_set_rot(lua_State* L) {
     return 0;
 }
 
-int l_player_get_inv(lua_State* L) {
+static int l_player_get_inv(lua_State* L) {
     int playerid = lua_tointeger(L, 1);
     auto player = scripting::level->getObject<Player>(playerid);
     if (!player) return 0;
@@ -81,3 +81,14 @@ int l_player_get_inv(lua_State* L) {
     lua_pushinteger(L, player->getChosenSlot());
     return 2;
 }
+
+const luaL_Reg playerlib [] = {
+    {"get_pos", lua_wrap_errors<l_player_get_pos>},
+    {"set_pos", lua_wrap_errors<l_player_set_pos>},
+    {"get_vel", lua_wrap_errors<l_player_get_vel>},
+    {"set_vel", lua_wrap_errors<l_player_set_vel>},
+    {"get_rot", lua_wrap_errors<l_player_get_rot>},
+    {"set_rot", lua_wrap_errors<l_player_set_rot>},
+    {"get_inventory", lua_wrap_errors<l_player_get_inv>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libplayer.h b/src/logic/scripting/lua/libplayer.h
deleted file mode 100644
index eb49f775..00000000
--- a/src/logic/scripting/lua/libplayer.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef LOGIC_SCRIPTING_LUA_LIBPLAYER_H_
-#define LOGIC_SCRIPTING_LUA_LIBPLAYER_H_
-
-#include "lua_commons.h"
-
-/* == player library ==*/
-extern int l_player_get_pos(lua_State* L);
-extern int l_player_set_pos(lua_State* L);
-extern int l_player_get_vel(lua_State* L);
-extern int l_player_set_vel(lua_State* L);
-extern int l_player_get_rot(lua_State* L);
-extern int l_player_set_rot(lua_State* L);
-extern int l_player_get_inv(lua_State* L);
-
-static const luaL_Reg playerlib [] = {
-    {"get_pos", lua_wrap_errors<l_player_get_pos>},
-    {"set_pos", lua_wrap_errors<l_player_set_pos>},
-    {"get_vel", lua_wrap_errors<l_player_get_vel>},
-    {"set_vel", lua_wrap_errors<l_player_set_vel>},
-    {"get_rot", lua_wrap_errors<l_player_get_rot>},
-    {"set_rot", lua_wrap_errors<l_player_set_rot>},
-    {"get_inventory", lua_wrap_errors<l_player_get_inv>},
-    {NULL, NULL}
-};
-
-#endif // LOGIC_SCRIPTING_LUA_LIBPLAYER_H_
diff --git a/src/logic/scripting/lua/libtime.cpp b/src/logic/scripting/lua/libtime.cpp
new file mode 100644
index 00000000..9347e23b
--- /dev/null
+++ b/src/logic/scripting/lua/libtime.cpp
@@ -0,0 +1,21 @@
+#include "api_lua.h"
+#include "lua_commons.h"
+#include "../scripting.h"
+#include "../../../engine.h"
+#include "../../../window/Window.h"
+
+static int l_time_uptime(lua_State* L) {
+    lua_pushnumber(L, Window::time());
+    return 1;
+}
+
+static int l_time_delta(lua_State* L) {
+    lua_pushnumber(L, scripting::engine->getDelta());
+    return 1;
+}
+
+const luaL_Reg timelib [] = {
+    {"uptime", lua_wrap_errors<l_time_uptime>},
+    {"delta", lua_wrap_errors<l_time_delta>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/libworld.cpp b/src/logic/scripting/lua/libworld.cpp
new file mode 100644
index 00000000..aea29404
--- /dev/null
+++ b/src/logic/scripting/lua/libworld.cpp
@@ -0,0 +1,36 @@
+#include "lua_commons.h"
+#include "api_lua.h"
+#include "../scripting.h"
+#include "../../../world/Level.h"
+#include "../../../world/World.h"
+
+#include <cmath>
+
+static int l_world_get_total_time(lua_State* L) {
+    lua_pushnumber(L, scripting::level->world->totalTime);
+    return 1;
+}
+
+static int l_world_get_day_time(lua_State* L) {
+    lua_pushnumber(L, scripting::level->world->daytime);
+    return 1;
+}
+
+static int l_world_set_day_time(lua_State* L) {
+    double value = lua_tonumber(L, 1);
+    scripting::level->world->daytime = fmod(value, 1.0);
+    return 0;
+}
+
+static int l_world_get_seed(lua_State* L) {
+    lua_pushinteger(L, scripting::level->world->getSeed());
+    return 1;
+}
+
+const luaL_Reg worldlib [] = {
+    {"get_total_time", lua_wrap_errors<l_world_get_total_time>},
+    {"get_day_time", lua_wrap_errors<l_world_get_day_time>},
+    {"set_day_time", lua_wrap_errors<l_world_set_day_time>},
+    {"get_seed", lua_wrap_errors<l_world_get_seed>},
+    {NULL, NULL}
+};
diff --git a/src/logic/scripting/lua/lua_overrides.cpp b/src/logic/scripting/lua/lua_overrides.cpp
new file mode 100644
index 00000000..20ef61a5
--- /dev/null
+++ b/src/logic/scripting/lua/lua_overrides.cpp
@@ -0,0 +1,26 @@
+#include "api_lua.h"
+#include "lua_commons.h"
+
+#include <iostream>
+
+/// @brief Modified version of luaB_print from lbaselib.c
+int l_print(lua_State* L) {
+    int n = lua_gettop(L);  /* number of arguments */
+    lua_getglobal(L, "tostring");
+    for (int i=1; i<=n; i++) {
+        lua_pushvalue(L, -1);  /* function to be called */
+        lua_pushvalue(L, i);   /* value to print */
+        lua_call(L, 1, 1);
+        const char* s = lua_tostring(L, -1);  /* get result */
+        if (s == NULL)
+            return luaL_error(L, LUA_QL("tostring") " must return a string to "
+                                 LUA_QL("print"));
+        if (i > 1)
+            std::cout << "\t";
+        std::cout << s;
+        lua_pop(L, 1);  /* pop result */
+    }
+    std::cout << std::endl;
+    return 0;
+}
+
diff --git a/src/logic/scripting/scripting_frontend.cpp b/src/logic/scripting/scripting_frontend.cpp
index 00923457..25828b70 100644
--- a/src/logic/scripting/scripting_frontend.cpp
+++ b/src/logic/scripting/scripting_frontend.cpp
@@ -1,7 +1,7 @@
 #include "scripting_frontend.h"
 #include "scripting.h"
 
-#include "lua/libhud.h"
+#include "lua/api_lua.h"
 #include "lua/LuaState.h"
 
 #include "../../frontend/hud.h"