scummvm/engines/sword25/sfx/soundengine_script.cpp
2011-05-12 01:16:22 +02:00

363 lines
9.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
* You should have received a copy of the GNU 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.
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include "sword25/kernel/common.h"
#include "sword25/kernel/kernel.h"
#include "sword25/script/script.h"
#include "sword25/script/luabindhelper.h"
#include "sword25/sfx/soundengine.h"
namespace Sword25 {
static int init(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
if (lua_gettop(L) == 0)
lua_pushbooleancpp(L, pSfx->init(44100, 32));
else if (lua_gettop(L) == 1)
lua_pushbooleancpp(L, pSfx->init(static_cast<uint>(luaL_checknumber(L, 1)), 32));
else
lua_pushbooleancpp(L, pSfx->init(static_cast<uint>(luaL_checknumber(L, 1)), static_cast<uint>(luaL_checknumber(L, 2))));
return 1;
}
static int update(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->update();
return 0;
}
static int setVolume(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->setVolume(static_cast<float>(luaL_checknumber(L, 1)),
static_cast<SoundEngine::SOUND_TYPES>(static_cast<uint>(luaL_checknumber(L, 2))));
return 0;
}
static int getVolume(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
lua_pushnumber(L, pSfx->getVolume(static_cast<SoundEngine::SOUND_TYPES>(static_cast<uint>(luaL_checknumber(L, 1)))));
return 1;
}
static int pauseAll(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->pauseAll();
return 0;
}
static int resumeAll(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->resumeAll();
return 0;
}
static int pauseLayer(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->pauseLayer(static_cast<int>(luaL_checknumber(L, 1)));
return 0;
}
static int resumeLayer(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->resumeLayer(static_cast<int>(luaL_checknumber(L, 1)));
return 0;
}
static void processPlayParams(lua_State *L, Common::String &fileName, SoundEngine::SOUND_TYPES &type, float &volume, float &pan, bool &loop, int &loopStart, int &loopEnd, uint &layer) {
fileName = luaL_checkstring(L, 1);
type = static_cast<SoundEngine::SOUND_TYPES>(static_cast<uint>(luaL_checknumber(L, 2)));
if (lua_gettop(L) < 3 || lua_isnil(L, 3))
volume = 1.0f;
else
volume = static_cast<float>(luaL_checknumber(L, 3));
if (lua_gettop(L) < 4 || lua_isnil(L, 4))
pan = 0.0f;
else
pan = static_cast<float>(luaL_checknumber(L, 4));
if (lua_gettop(L) < 5 || lua_isnil(L, 5))
loop = false;
else
loop = lua_tobooleancpp(L, 5);
if (lua_gettop(L) < 6 || lua_isnil(L, 6))
loopStart = -1;
else
loopStart = static_cast<int>(luaL_checknumber(L, 6));
if (lua_gettop(L) < 7 || lua_isnil(L, 7))
loopEnd = -1;
else
loopEnd = static_cast<int>(luaL_checknumber(L, 7));
if (lua_gettop(L) < 8 || lua_isnil(L, 8))
layer = 0;
else
layer = static_cast<uint>(luaL_checknumber(L, 8));
}
static int playSound(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
Common::String fileName;
SoundEngine::SOUND_TYPES type;
float volume;
float pan;
bool loop;
int loopStart;
int loopEnd;
uint layer;
processPlayParams(L, fileName, type, volume, pan, loop, loopStart, loopEnd, layer);
lua_pushbooleancpp(L, pSfx->playSound(fileName, type, volume, pan, loop, loopStart, loopEnd, layer));
return 1;
}
static int playSoundEx(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
Common::String fileName;
SoundEngine::SOUND_TYPES type;
float volume;
float pan;
bool loop;
int loopStart;
int loopEnd;
uint layer;
processPlayParams(L, fileName, type, volume, pan, loop, loopStart, loopEnd, layer);
lua_pushnumber(L, pSfx->playSoundEx(fileName, type, volume, pan, loop, loopStart, loopEnd, layer));
return 1;
}
static int setSoundVolume(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->setSoundVolume(static_cast<uint>(luaL_checknumber(L, 1)), static_cast<float>(luaL_checknumber(L, 2)));
return 0;
}
static int setSoundPanning(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->setSoundPanning(static_cast<uint>(luaL_checknumber(L, 1)), static_cast<float>(luaL_checknumber(L, 2)));
return 0;
}
static int pauseSound(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->pauseSound(static_cast<uint>(luaL_checknumber(L, 1)));
return 0;
}
static int resumeSound(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->resumeSound(static_cast<uint>(luaL_checknumber(L, 1)));
return 0;
}
static int stopSound(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
pSfx->stopSound(static_cast<uint>(luaL_checknumber(L, 1)));
return 0;
}
static int isSoundPaused(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
lua_pushbooleancpp(L, pSfx->isSoundPaused(static_cast<uint>(luaL_checknumber(L, 1))));
return 1;
}
static int isSoundPlaying(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
lua_pushbooleancpp(L, pSfx->isSoundPlaying(static_cast<uint>(luaL_checknumber(L, 1))));
return 1;
}
static int getSoundVolume(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
lua_pushnumber(L, pSfx->getSoundVolume(static_cast<uint>(luaL_checknumber(L, 1))));
return 1;
}
static int getSoundPanning(lua_State *L) {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
SoundEngine *pSfx = pKernel->getSfx();
assert(pSfx);
lua_pushnumber(L, pSfx->getSoundPanning(static_cast<uint>(luaL_checknumber(L, 1))));
return 1;
}
static const char *SFX_LIBRARY_NAME = "Sfx";
static const luaL_reg SFX_FUNCTIONS[] = {
{"Init", init},
{"Update", update},
{"__SetVolume", setVolume},
{"__GetVolume", getVolume},
{"PauseAll", pauseAll},
{"ResumeAll", resumeAll},
{"PauseLayer", pauseLayer},
{"ResumeLayer", resumeLayer},
{"__PlaySound", playSound},
{"__PlaySoundEx", playSoundEx},
{"__SetSoundVolume", setSoundVolume},
{"__SetSoundPanning", setSoundPanning},
{"__PauseSound", pauseSound},
{"__ResumeSound", resumeSound},
{"__StopSound", stopSound},
{"__IsSoundPaused", isSoundPaused},
{"__IsSoundPlaying", isSoundPlaying},
{"__GetSoundVolume", getSoundVolume},
{"__GetSoundPanning", getSoundPanning},
{0, 0}
};
static const lua_constant_reg SFX_CONSTANTS[] = {
{"MUSIC", SoundEngine::MUSIC},
{"SPEECH", SoundEngine::SPEECH},
{"SFX", SoundEngine::SFX},
{0, 0}
};
bool SoundEngine::registerScriptBindings() {
Kernel *pKernel = Kernel::getInstance();
assert(pKernel);
ScriptEngine *pScript = pKernel->getScript();
assert(pScript);
lua_State *L = static_cast<lua_State *>(pScript->getScriptObject());
assert(L);
if (!LuaBindhelper::addFunctionsToLib(L, SFX_LIBRARY_NAME, SFX_FUNCTIONS)) return false;
if (!LuaBindhelper::addConstantsToLib(L, SFX_LIBRARY_NAME, SFX_CONSTANTS)) return false;
return true;
}
} // End of namespace Sword25