Merge branch 'main' into worldwide-refactor

src/logic/scripting/lua/LuaState.cpp

@@ -247,6 +247,14 @@ const char* lua::LuaState::tostring(int idx) {
     return lua_tostring(L, idx);
 }
 
+bool lua::LuaState::isstring(int idx) {
+    return lua_isstring(L, idx);
+}
+
+bool lua::LuaState::isfunction(int idx) {
+    return lua_isfunction(L, idx);
+}
+
 void lua::LuaState::openlib(const std::string& name, const luaL_Reg* libfuncs, int nup) {
     lua_newtable(L);
     luaL_setfuncs(L, libfuncs, nup);

src/logic/scripting/lua/LuaState.h

@@ -45,6 +45,8 @@ namespace lua {
         luaint tointeger(int idx);
         luanumber tonumber(int idx);
         const char* tostring(int idx);
+        bool isstring(int idx);
+        bool isfunction(int idx);
         int call(int argc);
         int callNoThrow(int argc);
         int execute(int env, const std::string& src, const std::string& file="<string>");

src/logic/scripting/lua/libaudio.cpp

@@ -391,6 +391,18 @@ static int l_audio_get_velocity(lua_State* L) {
     return 0;
 }
 
+// @brief audio.count_speakers() -> integer
+static int l_audio_count_speakers(lua_State* L) {
+    lua_pushinteger(L, audio::count_speakers());
+    return 1;
+}
+
+// @brief audio.count_streams() -> integer
+static int l_audio_count_streams(lua_State* L) {
+    lua_pushinteger(L, audio::count_streams());
+    return 1;
+}
+
 const luaL_Reg audiolib [] = {
     {"play_sound", lua_wrap_errors<l_audio_play_sound>},
     {"play_sound_2d", lua_wrap_errors<l_audio_play_sound_2d>},
@@ -414,5 +426,7 @@ const luaL_Reg audiolib [] = {
     {"get_duration", lua_wrap_errors<l_audio_get_duration>},
     {"get_position", lua_wrap_errors<l_audio_get_position>},
     {"get_velocity", lua_wrap_errors<l_audio_get_velocity>},
+    {"count_speakers", lua_wrap_errors<l_audio_count_speakers>},
+    {"count_streams", lua_wrap_errors<l_audio_count_streams>},
     {NULL, NULL}
 };