mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
356 lines
11 KiB
C++
356 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/*
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* This code is based on Broken Sword 2.5 engine
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*
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* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
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*
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* Licensed under GNU GPL v2
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*
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*/
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// -----------------------------------------------------------------------------
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// Includes
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// -----------------------------------------------------------------------------
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#include "common/ptr.h"
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#include "common/str.h"
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#include "sword25/kernel/common.h"
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#include "sword25/kernel/kernel.h"
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#include "sword25/kernel/callbackregistry.h"
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#include "sword25/script/script.h"
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#include "sword25/script/luabindhelper.h"
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#include "sword25/script/luacallback.h"
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#include "sword25/input/inputengine.h"
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#define BS_LOG_PREFIX "INPUTENGINE"
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namespace Sword25 {
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using namespace Lua;
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// -----------------------------------------------------------------------------
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// Callback-Objekte
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// -----------------------------------------------------------------------------
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static void TheCharacterCallback(int Character);
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static void TheCommandCallback(int Command);
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namespace {
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class CharacterCallbackClass : public BS_LuaCallback {
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public:
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CharacterCallbackClass(lua_State *L) : BS_LuaCallback(L) {};
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Common::String Character;
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protected:
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int PreFunctionInvokation(lua_State *L) {
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lua_pushstring(L, Character.c_str());
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return 1;
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}
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};
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Common::SharedPtr<CharacterCallbackClass> CharacterCallbackPtr;
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// -----------------------------------------------------------------------------
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class CommandCallbackClass : public BS_LuaCallback {
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public:
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CommandCallbackClass(lua_State *L) : BS_LuaCallback(L) {
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Command = BS_InputEngine::KEY_COMMAND_BACKSPACE;
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}
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BS_InputEngine::KEY_COMMANDS Command;
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protected:
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int PreFunctionInvokation(lua_State *L) {
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lua_pushnumber(L, Command);
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return 1;
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}
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};
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Common::SharedPtr<CommandCallbackClass> CommandCallbackPtr;
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// -------------------------------------------------------------------------
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struct CallbackfunctionRegisterer {
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CallbackfunctionRegisterer() {
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CallbackRegistry::getInstance().registerCallbackFunction("LuaCommandCB", TheCommandCallback);
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CallbackRegistry::getInstance().registerCallbackFunction("LuaCharacterCB", TheCharacterCallback);
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}
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};
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static CallbackfunctionRegisterer Instance;
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}
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// -----------------------------------------------------------------------------
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static BS_InputEngine *GetIE() {
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BS_Kernel *pKernel = BS_Kernel::GetInstance();
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BS_ASSERT(pKernel);
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BS_InputEngine *pIE = static_cast<BS_InputEngine *>(pKernel->GetService("input"));
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BS_ASSERT(pIE);
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return pIE;
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}
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// -----------------------------------------------------------------------------
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static int Init(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->Init());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int Update(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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// Beim ersten Aufruf der Update()-Methode werden die beiden Callbacks am Input-Objekt registriert.
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// Dieses kann nicht in _RegisterScriptBindings() passieren, da diese Funktion vom Konstruktor der abstrakten Basisklasse aufgerufen wird und die
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// Register...()-Methoden abstrakt sind, im Konstruktor der Basisklasse also nicht aufgerufen werden können.
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static bool FirstCall = true;
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if (FirstCall) {
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FirstCall = false;
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pIE->RegisterCharacterCallback(TheCharacterCallback);
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pIE->RegisterCommandCallback(TheCommandCallback);
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}
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pIE->Update();
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return 0;
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}
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// -----------------------------------------------------------------------------
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static int IsLeftMouseDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->IsLeftMouseDown());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int IsRightMouseDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->IsRightMouseDown());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int WasLeftMouseDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->WasLeftMouseDown());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int WasRightMouseDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->WasRightMouseDown());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int IsLeftDoubleClick(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->IsLeftDoubleClick());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int GetMouseX(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushnumber(L, pIE->GetMouseX());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int GetMouseY(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushnumber(L, pIE->GetMouseY());
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int IsKeyDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->IsKeyDown((unsigned int) luaL_checknumber(L, 1)));
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int WasKeyDown(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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lua_pushbooleancpp(L, pIE->WasKeyDown((unsigned int) luaL_checknumber(L, 1)));
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return 1;
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}
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// -----------------------------------------------------------------------------
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static int SetMouseX(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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pIE->SetMouseX((int) luaL_checknumber(L, 1));
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return 0;
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}
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// -----------------------------------------------------------------------------
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static int SetMouseY(lua_State *L) {
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BS_InputEngine *pIE = GetIE();
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pIE->SetMouseY((int) luaL_checknumber(L, 1));
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return 0;
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}
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// -----------------------------------------------------------------------------
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static void TheCharacterCallback(int Character) {
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CharacterCallbackPtr->Character = static_cast<unsigned char>(Character);
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lua_State *L = static_cast<lua_State *>(BS_Kernel::GetInstance()->GetScript()->GetScriptObject());
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CharacterCallbackPtr->InvokeCallbackFunctions(L, 1);
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}
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// -----------------------------------------------------------------------------
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static int RegisterCharacterCallback(lua_State *L) {
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luaL_checktype(L, 1, LUA_TFUNCTION);
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CharacterCallbackPtr->RegisterCallbackFunction(L, 1);
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return 0;
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}
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// -----------------------------------------------------------------------------
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static int UnregisterCharacterCallback(lua_State *L) {
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luaL_checktype(L, 1, LUA_TFUNCTION);
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CharacterCallbackPtr->UnregisterCallbackFunction(L, 1);
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return 0;
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}
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// -----------------------------------------------------------------------------
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static void TheCommandCallback(int Command) {
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CommandCallbackPtr->Command = static_cast<BS_InputEngine::KEY_COMMANDS>(Command);
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lua_State *L = static_cast<lua_State *>(BS_Kernel::GetInstance()->GetScript()->GetScriptObject());
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CommandCallbackPtr->InvokeCallbackFunctions(L, 1);
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}
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// -----------------------------------------------------------------------------
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static int RegisterCommandCallback(lua_State *L) {
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luaL_checktype(L, 1, LUA_TFUNCTION);
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CommandCallbackPtr->RegisterCallbackFunction(L, 1);
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return 0;
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}
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// -----------------------------------------------------------------------------
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static int UnregisterCommandCallback(lua_State *L) {
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luaL_checktype(L, 1, LUA_TFUNCTION);
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CommandCallbackPtr->UnregisterCallbackFunction(L, 1);
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return 0;
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}
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// -----------------------------------------------------------------------------
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static const char *PACKAGE_LIBRARY_NAME = "Input";
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static const luaL_reg PACKAGE_FUNCTIONS[] = {
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{"Init", Init},
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{"Update", Update},
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{"IsLeftMouseDown", IsLeftMouseDown},
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{"IsRightMouseDown", IsRightMouseDown},
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{"WasLeftMouseDown", WasLeftMouseDown},
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{"WasRightMouseDown", WasRightMouseDown},
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{"IsLeftDoubleClick", IsLeftDoubleClick},
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{"GetMouseX", GetMouseX},
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{"GetMouseY", GetMouseY},
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{"SetMouseX", SetMouseX},
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{"SetMouseY", SetMouseY},
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{"IsKeyDown", IsKeyDown},
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{"WasKeyDown", WasKeyDown},
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{"RegisterCharacterCallback", RegisterCharacterCallback},
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{"UnregisterCharacterCallback", UnregisterCharacterCallback},
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{"RegisterCommandCallback", RegisterCommandCallback},
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{"UnregisterCommandCallback", UnregisterCommandCallback},
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{0, 0}
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};
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#define X(k) {"KEY_" #k, BS_InputEngine::KEY_##k}
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#define Y(k) {"KEY_COMMAND_" #k, BS_InputEngine::KEY_COMMAND_##k}
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static const lua_constant_reg PACKAGE_CONSTANTS[] = {
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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),
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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),
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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),
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X(Z), X(NUMPAD0), X(NUMPAD1), X(NUMPAD2), X(NUMPAD3), X(NUMPAD4), X(NUMPAD5), X(NUMPAD6), X(NUMPAD7), X(NUMPAD8), X(NUMPAD9), X(MULTIPLY),
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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),
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X(F12), X(NUMLOCK), X(SCROLL), X(LSHIFT), X(RSHIFT), X(LCONTROL), X(RCONTROL),
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Y(ENTER), Y(LEFT), Y(RIGHT), Y(HOME), Y(END), Y(BACKSPACE), Y(TAB), Y(INSERT), Y(DELETE),
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{0, 0}
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};
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#undef X
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#undef Y
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// -----------------------------------------------------------------------------
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bool BS_InputEngine::_RegisterScriptBindings() {
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BS_Kernel *pKernel = BS_Kernel::GetInstance();
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BS_ASSERT(pKernel);
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BS_ScriptEngine *pScript = static_cast<BS_ScriptEngine *>(pKernel->GetService("script"));
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BS_ASSERT(pScript);
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lua_State *L = static_cast<lua_State *>(pScript->GetScriptObject());
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BS_ASSERT(L);
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if (!BS_LuaBindhelper::AddFunctionsToLib(L, PACKAGE_LIBRARY_NAME, PACKAGE_FUNCTIONS)) return false;
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if (!BS_LuaBindhelper::AddConstantsToLib(L, PACKAGE_LIBRARY_NAME, PACKAGE_CONSTANTS)) return false;
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CharacterCallbackPtr = Common::SharedPtr<CharacterCallbackClass>(new CharacterCallbackClass(L));
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CommandCallbackPtr = Common::SharedPtr<CommandCallbackClass>(new CommandCallbackClass(L));
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return true;
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}
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} // End of namespace Sword25
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