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-rw-r--r--src/script/lua_api/CMakeLists.txt1
-rw-r--r--src/script/lua_api/l_storage.cpp143
-rw-r--r--src/script/lua_api/l_storage.h62
-rw-r--r--src/script/scripting_game.cpp3
4 files changed, 209 insertions, 0 deletions
diff --git a/src/script/lua_api/CMakeLists.txt b/src/script/lua_api/CMakeLists.txt
index 070234eba..e82560696 100644
--- a/src/script/lua_api/CMakeLists.txt
+++ b/src/script/lua_api/CMakeLists.txt
@@ -15,6 +15,7 @@ set(common_SCRIPT_LUA_API_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/l_particles.cpp
${CMAKE_CURRENT_SOURCE_DIR}/l_rollback.cpp
${CMAKE_CURRENT_SOURCE_DIR}/l_server.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/l_storage.cpp
${CMAKE_CURRENT_SOURCE_DIR}/l_util.cpp
${CMAKE_CURRENT_SOURCE_DIR}/l_vmanip.cpp
${CMAKE_CURRENT_SOURCE_DIR}/l_settings.cpp
diff --git a/src/script/lua_api/l_storage.cpp b/src/script/lua_api/l_storage.cpp
new file mode 100644
index 000000000..42928255f
--- /dev/null
+++ b/src/script/lua_api/l_storage.cpp
@@ -0,0 +1,143 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "lua_api/l_storage.h"
+#include "l_internal.h"
+#include "mods.h"
+#include "server.h"
+
+int ModApiStorage::l_get_mod_storage(lua_State *L)
+{
+ lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_CURRENT_MOD_NAME);
+ if (!lua_isstring(L, -1)) {
+ return 0;
+ }
+
+ std::string mod_name = lua_tostring(L, -1);
+
+ ModMetadata *store = new ModMetadata(mod_name);
+ // For server side
+ if (Server *server = getServer(L)) {
+ store->load(server->getModStoragePath());
+ server->registerModStorage(store);
+ } else {
+ assert(false); // this should not happen
+ }
+
+ StorageRef::create(L, store);
+ int object = lua_gettop(L);
+
+ lua_pushvalue(L, object);
+ return 1;
+}
+
+void ModApiStorage::Initialize(lua_State *L, int top)
+{
+ API_FCT(get_mod_storage);
+}
+
+StorageRef::StorageRef(ModMetadata *object):
+ m_object(object)
+{
+}
+
+void StorageRef::create(lua_State *L, ModMetadata *object)
+{
+ StorageRef *o = new StorageRef(object);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+int StorageRef::gc_object(lua_State *L)
+{
+ StorageRef *o = *(StorageRef **)(lua_touserdata(L, 1));
+ // Server side
+ if (Server *server = getServer(L))
+ server->unregisterModStorage(getobject(o)->getModName());
+ delete o;
+ return 0;
+}
+
+void StorageRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "metadata_class");
+ lua_pushlstring(L, className, strlen(className));
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+}
+
+StorageRef* StorageRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if (!ud) luaL_typerror(L, narg, className);
+ return *(StorageRef**)ud; // unbox pointer
+}
+
+ModMetadata* StorageRef::getobject(StorageRef *ref)
+{
+ ModMetadata *co = ref->m_object;
+ return co;
+}
+
+Metadata* StorageRef::getmeta(bool auto_create)
+{
+ return m_object;
+}
+
+void StorageRef::clearMeta()
+{
+ m_object->clear();
+}
+
+const char StorageRef::className[] = "StorageRef";
+const luaL_reg StorageRef::methods[] = {
+ luamethod(MetaDataRef, get_string),
+ luamethod(MetaDataRef, set_string),
+ luamethod(MetaDataRef, get_int),
+ luamethod(MetaDataRef, set_int),
+ luamethod(MetaDataRef, get_float),
+ luamethod(MetaDataRef, set_float),
+ luamethod(MetaDataRef, to_table),
+ luamethod(MetaDataRef, from_table),
+ {0,0}
+};
diff --git a/src/script/lua_api/l_storage.h b/src/script/lua_api/l_storage.h
new file mode 100644
index 000000000..fde2828ad
--- /dev/null
+++ b/src/script/lua_api/l_storage.h
@@ -0,0 +1,62 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __L_STORAGE_H__
+#define __L_STORAGE_H__
+
+#include "lua_api/l_base.h"
+#include "l_metadata.h"
+
+class ModMetadata;
+
+class ModApiStorage: public ModApiBase
+{
+protected:
+ static int l_get_mod_storage(lua_State *L);
+public:
+ static void Initialize(lua_State *L, int top);
+
+};
+
+class StorageRef: public MetaDataRef
+{
+private:
+ ModMetadata *m_object;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ virtual Metadata* getmeta(bool auto_create);
+ virtual void clearMeta();
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+public:
+ StorageRef(ModMetadata *object);
+ ~StorageRef() {}
+
+ static void Register(lua_State *L);
+ static void create(lua_State *L, ModMetadata *object);
+
+ static StorageRef *checkobject(lua_State *L, int narg);
+ static ModMetadata* getobject(StorageRef *ref);
+};
+
+#endif /* __L_STORAGE_H__ */
diff --git a/src/script/scripting_game.cpp b/src/script/scripting_game.cpp
index 7becef6dc..4da752263 100644
--- a/src/script/scripting_game.cpp
+++ b/src/script/scripting_game.cpp
@@ -41,6 +41,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "lua_api/l_vmanip.h"
#include "lua_api/l_settings.h"
#include "lua_api/l_http.h"
+#include "lua_api/l_storage.h"
extern "C" {
#include "lualib.h"
@@ -92,6 +93,7 @@ void GameScripting::InitializeModApi(lua_State *L, int top)
ModApiServer::Initialize(L, top);
ModApiUtil::Initialize(L, top);
ModApiHttp::Initialize(L, top);
+ ModApiStorage::Initialize(L, top);
// Register reference classes (userdata)
InvRef::Register(L);
@@ -108,6 +110,7 @@ void GameScripting::InitializeModApi(lua_State *L, int top)
NodeTimerRef::Register(L);
ObjectRef::Register(L);
LuaSettings::Register(L);
+ StorageRef::Register(L);
}
void log_deprecated(const std::string &message)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 19:21:17 +0000