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/* 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.
*
* $URL$
* $Id$
*
*/
/*
* 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 "common/ptr.h"
#include "common/str.h"
#include "sword25/kernel/common.h"
#include "sword25/kernel/kernel.h"
#include "sword25/kernel/callbackregistry.h"
#include "sword25/script/script.h"
#include "sword25/script/luabindhelper.h"
#include "sword25/script/luacallback.h"
#include "sword25/input/inputengine.h"
#define BS_LOG_PREFIX "INPUTENGINE"
namespace Sword25 {
using namespace Lua;
// -----------------------------------------------------------------------------
// Callback-Objekte
// -----------------------------------------------------------------------------
static void TheCharacterCallback(int Character);
static void TheCommandCallback(int Command);
namespace {
class CharacterCallbackClass : public LuaCallback {
public:
CharacterCallbackClass(lua_State *L) : LuaCallback(L) {};
Common::String Character;
protected:
int PreFunctionInvokation(lua_State *L) {
lua_pushstring(L, Character.c_str());
return 1;
}
};
Common::SharedPtr<CharacterCallbackClass> CharacterCallbackPtr;
// -----------------------------------------------------------------------------
class CommandCallbackClass : public LuaCallback {
public:
CommandCallbackClass(lua_State *L) : LuaCallback(L) {
Command = InputEngine::KEY_COMMAND_BACKSPACE;
}
InputEngine::KEY_COMMANDS Command;
protected:
int PreFunctionInvokation(lua_State *L) {
lua_pushnumber(L, Command);
return 1;
}
};
Common::SharedPtr<CommandCallbackClass> CommandCallbackPtr;
// -------------------------------------------------------------------------
struct CallbackfunctionRegisterer {
CallbackfunctionRegisterer() {
CallbackRegistry::getInstance().registerCallbackFunction("LuaCommandCB", TheCommandCallback);
CallbackRegistry::getInstance().registerCallbackFunction("LuaCharacterCB", TheCharacterCallback);
}
};
static CallbackfunctionRegisterer Instance;
}
// -----------------------------------------------------------------------------
static InputEngine *GetIE() {
Kernel *pKernel = Kernel::GetInstance();
BS_ASSERT(pKernel);
InputEngine *pIE = static_cast<InputEngine *>(pKernel->GetService("input"));
BS_ASSERT(pIE);
return pIE;
}
// -----------------------------------------------------------------------------
static int Init(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->Init());
return 1;
}
// -----------------------------------------------------------------------------
static int Update(lua_State *L) {
InputEngine *pIE = GetIE();
// Beim ersten Aufruf der Update()-Methode werden die beiden Callbacks am Input-Objekt registriert.
// Dieses kann nicht in _RegisterScriptBindings() passieren, da diese Funktion vom Konstruktor der abstrakten Basisklasse aufgerufen wird und die
// Register...()-Methoden abstrakt sind, im Konstruktor der Basisklasse also nicht aufgerufen werden k�nnen.
static bool FirstCall = true;
if (FirstCall) {
FirstCall = false;
pIE->RegisterCharacterCallback(TheCharacterCallback);
pIE->RegisterCommandCallback(TheCommandCallback);
}
pIE->Update();
return 0;
}
// -----------------------------------------------------------------------------
static int IsLeftMouseDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->IsLeftMouseDown());
return 1;
}
// -----------------------------------------------------------------------------
static int IsRightMouseDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->IsRightMouseDown());
return 1;
}
// -----------------------------------------------------------------------------
static int WasLeftMouseDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->WasLeftMouseDown());
return 1;
}
// -----------------------------------------------------------------------------
static int WasRightMouseDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->WasRightMouseDown());
return 1;
}
// -----------------------------------------------------------------------------
static int IsLeftDoubleClick(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->IsLeftDoubleClick());
return 1;
}
// -----------------------------------------------------------------------------
static int GetMouseX(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushnumber(L, pIE->GetMouseX());
return 1;
}
// -----------------------------------------------------------------------------
static int GetMouseY(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushnumber(L, pIE->GetMouseY());
return 1;
}
// -----------------------------------------------------------------------------
static int IsKeyDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->IsKeyDown((uint) luaL_checknumber(L, 1)));
return 1;
}
// -----------------------------------------------------------------------------
static int WasKeyDown(lua_State *L) {
InputEngine *pIE = GetIE();
lua_pushbooleancpp(L, pIE->WasKeyDown((uint) luaL_checknumber(L, 1)));
return 1;
}
// -----------------------------------------------------------------------------
static int SetMouseX(lua_State *L) {
InputEngine *pIE = GetIE();
pIE->SetMouseX((int) luaL_checknumber(L, 1));
return 0;
}
// -----------------------------------------------------------------------------
static int SetMouseY(lua_State *L) {
InputEngine *pIE = GetIE();
pIE->SetMouseY((int) luaL_checknumber(L, 1));
return 0;
}
// -----------------------------------------------------------------------------
static void TheCharacterCallback(int Character) {
CharacterCallbackPtr->Character = static_cast<byte>(Character);
lua_State *L = static_cast<lua_State *>(Kernel::GetInstance()->GetScript()->getScriptObject());
CharacterCallbackPtr->invokeCallbackFunctions(L, 1);
}
// -----------------------------------------------------------------------------
static int RegisterCharacterCallback(lua_State *L) {
luaL_checktype(L, 1, LUA_TFUNCTION);
CharacterCallbackPtr->registerCallbackFunction(L, 1);
return 0;
}
// -----------------------------------------------------------------------------
static int UnregisterCharacterCallback(lua_State *L) {
luaL_checktype(L, 1, LUA_TFUNCTION);
CharacterCallbackPtr->unregisterCallbackFunction(L, 1);
return 0;
}
// -----------------------------------------------------------------------------
static void TheCommandCallback(int Command) {
CommandCallbackPtr->Command = static_cast<InputEngine::KEY_COMMANDS>(Command);
lua_State *L = static_cast<lua_State *>(Kernel::GetInstance()->GetScript()->getScriptObject());
CommandCallbackPtr->invokeCallbackFunctions(L, 1);
}
// -----------------------------------------------------------------------------
static int RegisterCommandCallback(lua_State *L) {
luaL_checktype(L, 1, LUA_TFUNCTION);
CommandCallbackPtr->registerCallbackFunction(L, 1);
return 0;
}
// -----------------------------------------------------------------------------
static int UnregisterCommandCallback(lua_State *L) {
luaL_checktype(L, 1, LUA_TFUNCTION);
CommandCallbackPtr->unregisterCallbackFunction(L, 1);
return 0;
}
// -----------------------------------------------------------------------------
static const char *PACKAGE_LIBRARY_NAME = "Input";
static const luaL_reg PACKAGE_FUNCTIONS[] = {
{"Init", Init},
{"Update", Update},
{"IsLeftMouseDown", IsLeftMouseDown},
{"IsRightMouseDown", IsRightMouseDown},
{"WasLeftMouseDown", WasLeftMouseDown},
{"WasRightMouseDown", WasRightMouseDown},
{"IsLeftDoubleClick", IsLeftDoubleClick},
{"GetMouseX", GetMouseX},
{"GetMouseY", GetMouseY},
{"SetMouseX", SetMouseX},
{"SetMouseY", SetMouseY},
{"IsKeyDown", IsKeyDown},
{"WasKeyDown", WasKeyDown},
{"RegisterCharacterCallback", RegisterCharacterCallback},
{"UnregisterCharacterCallback", UnregisterCharacterCallback},
{"RegisterCommandCallback", RegisterCommandCallback},
{"UnregisterCommandCallback", UnregisterCommandCallback},
{0, 0}
};
#define X(k) {"KEY_" #k, InputEngine::KEY_##k}
#define Y(k) {"KEY_COMMAND_" #k, InputEngine::KEY_COMMAND_##k}
static const lua_constant_reg PACKAGE_CONSTANTS[] = {
X(BACKSPACE), X(TAB), X(CLEAR), X(RETURN), X(PAUSE), X(CAPSLOCK), X(ESCAPE), X(SPACE), X(PAGEUP), X(PAGEDOWN), X(END), X(HOME), X(LEFT),
X(UP), X(RIGHT), X(DOWN), X(PRINTSCREEN), X(INSERT), X(DELETE), X(0), X(1), X(2), X(3), X(4), X(5), X(6), X(7), X(8), X(9), X(A), X(B),
X(C), X(D), X(E), X(F), X(G), X(H), X(I), X(J), X(K), X(L), X(M), X(N), X(O), X(P), X(Q), X(R), X(S), X(T), X(U), X(V), X(W), X(X), X(Y),
X(Z), X(NUMPAD0), X(NUMPAD1), X(NUMPAD2), X(NUMPAD3), X(NUMPAD4), X(NUMPAD5), X(NUMPAD6), X(NUMPAD7), X(NUMPAD8), X(NUMPAD9), X(MULTIPLY),
X(ADD), X(SEPARATOR), X(SUBTRACT), X(DECIMAL), X(DIVIDE), X(F1), X(F2), X(F3), X(F4), X(F5), X(F6), X(F7), X(F8), X(F9), X(F10), X(F11),
X(F12), X(NUMLOCK), X(SCROLL), X(LSHIFT), X(RSHIFT), X(LCONTROL), X(RCONTROL),
Y(ENTER), Y(LEFT), Y(RIGHT), Y(HOME), Y(END), Y(BACKSPACE), Y(TAB), Y(INSERT), Y(DELETE),
{0, 0}
};
#undef X
#undef Y
// -----------------------------------------------------------------------------
bool InputEngine::registerScriptBindings() {
Kernel *pKernel = Kernel::GetInstance();
BS_ASSERT(pKernel);
ScriptEngine *pScript = static_cast<ScriptEngine *>(pKernel->GetService("script"));
BS_ASSERT(pScript);
lua_State *L = static_cast<lua_State *>(pScript->getScriptObject());
BS_ASSERT(L);
if (!LuaBindhelper::addFunctionsToLib(L, PACKAGE_LIBRARY_NAME, PACKAGE_FUNCTIONS)) return false;
if (!LuaBindhelper::addConstantsToLib(L, PACKAGE_LIBRARY_NAME, PACKAGE_CONSTANTS)) return false;
CharacterCallbackPtr = Common::SharedPtr<CharacterCallbackClass>(new CharacterCallbackClass(L));
CommandCallbackPtr = Common::SharedPtr<CommandCallbackClass>(new CommandCallbackClass(L));
return true;
}
} // End of namespace Sword25
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