mirror of https://github.com/minetest/minetest.git
151 lines
4.0 KiB
C++
151 lines
4.0 KiB
C++
/*
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Minetest
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Copyright (C) 2023 DS
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "l_client_sound.h"
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#include "l_internal.h"
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#include "common/c_content.h"
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#include "common/c_converter.h"
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#include "client/client.h"
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#include "client/sound.h"
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/* ModApiClientSound */
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// sound_play(spec, parameters)
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int ModApiClientSound::l_sound_play(lua_State *L)
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{
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ISoundManager *sound_manager = getClient(L)->getSoundManager();
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SoundSpec spec;
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read_simplesoundspec(L, 1, spec);
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SoundLocation type = SoundLocation::Local;
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float gain = 1.0f;
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v3f position;
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if (lua_istable(L, 2)) {
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getfloatfield(L, 2, "gain", gain);
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getfloatfield(L, 2, "pitch", spec.pitch);
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getboolfield(L, 2, "loop", spec.loop);
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lua_getfield(L, 2, "pos");
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if (!lua_isnil(L, -1)) {
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position = read_v3f(L, -1);
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type = SoundLocation::Position;
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lua_pop(L, 1);
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}
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}
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spec.gain *= gain;
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sound_handle_t handle = sound_manager->allocateId(2);
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if (type == SoundLocation::Local)
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sound_manager->playSound(handle, spec);
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else
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sound_manager->playSoundAt(handle, spec, position, v3f(0.0f));
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ClientSoundHandle::create(L, handle);
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return 1;
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}
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void ModApiClientSound::Initialize(lua_State *L, int top)
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{
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API_FCT(sound_play);
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}
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/* ClientSoundHandle */
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ClientSoundHandle *ClientSoundHandle::checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if (!ud)
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luaL_typerror(L, narg, className);
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return *(ClientSoundHandle**)ud; // unbox pointer
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}
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int ClientSoundHandle::gc_object(lua_State *L)
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{
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ClientSoundHandle *o = *(ClientSoundHandle **)(lua_touserdata(L, 1));
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if (getClient(L) && getClient(L)->getSoundManager())
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getClient(L)->getSoundManager()->freeId(o->m_handle);
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delete o;
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return 0;
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}
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// :stop()
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int ClientSoundHandle::l_stop(lua_State *L)
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{
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ClientSoundHandle *o = checkobject(L, 1);
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getClient(L)->getSoundManager()->stopSound(o->m_handle);
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return 0;
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}
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// :fade(step, gain)
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int ClientSoundHandle::l_fade(lua_State *L)
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{
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ClientSoundHandle *o = checkobject(L, 1);
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float step = readParam<float>(L, 2);
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float gain = readParam<float>(L, 3);
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getClient(L)->getSoundManager()->fadeSound(o->m_handle, step, gain);
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return 0;
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}
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void ClientSoundHandle::create(lua_State *L, sound_handle_t handle)
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{
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ClientSoundHandle *o = new ClientSoundHandle(handle);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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}
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void ClientSoundHandle::Register(lua_State *L)
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{
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lua_newtable(L);
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int methodtable = lua_gettop(L);
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luaL_newmetatable(L, className);
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int metatable = lua_gettop(L);
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lua_pushliteral(L, "__metatable");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable); // hide metatable from Lua getmetatable()
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lua_pushliteral(L, "__index");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable);
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lua_pushliteral(L, "__gc");
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lua_pushcfunction(L, gc_object);
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lua_settable(L, metatable);
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lua_pop(L, 1); // drop metatable
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luaL_register(L, nullptr, methods); // fill methodtable
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lua_pop(L, 1); // drop methodtable
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}
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const char ClientSoundHandle::className[] = "ClientSoundHandle";
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const luaL_Reg ClientSoundHandle::methods[] = {
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luamethod(ClientSoundHandle, stop),
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luamethod(ClientSoundHandle, fade),
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{0,0}
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};
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