711 lines
20 KiB
C++
711 lines
20 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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*/
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/*
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* This file is based on WME Lite.
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* http://dead-code.org/redir.php?target=wmelite
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* Copyright (c) 2011 Jan Nedoma
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*/
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#include "engines/wintermute/base/scriptables/script_engine.h"
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#include "engines/wintermute/utils/string_util.h"
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#include "engines/wintermute/base/scriptables/script_value.h"
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#include "engines/wintermute/base/scriptables/script.h"
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#include "engines/wintermute/base/scriptables/script_stack.h"
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#include "engines/wintermute/base/scriptables/script_ext_math.h"
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#include "engines/wintermute/base/base_registry.h"
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#include "engines/wintermute/base/base_game.h"
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#include "engines/wintermute/base/sound/base_sound.h"
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#include "engines/wintermute/base/base_file_manager.h"
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#include "engines/wintermute/utils/utils.h"
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namespace WinterMute {
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IMPLEMENT_PERSISTENT(ScEngine, true)
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#define COMPILER_DLL "dcscomp.dll"
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//////////////////////////////////////////////////////////////////////////
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ScEngine::ScEngine(BaseGame *inGame): BaseClass(inGame) {
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_gameRef->LOG(0, "Initializing scripting engine...");
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if (_compilerAvailable) _gameRef->LOG(0, " Script compiler bound successfuly");
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else _gameRef->LOG(0, " Script compiler is NOT available");
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_globals = new ScValue(_gameRef);
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// register 'Game' as global variable
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if (!_globals->propExists("Game")) {
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ScValue val(_gameRef);
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val.setNative(_gameRef, true);
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_globals->setProp("Game", &val);
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}
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// register 'Math' as global variable
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if (!_globals->propExists("Math")) {
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ScValue val(_gameRef);
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val.setNative(_gameRef->_mathClass, true);
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_globals->setProp("Math", &val);
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}
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// prepare script cache
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for (int i = 0; i < MAX_CACHED_SCRIPTS; i++) _cachedScripts[i] = NULL;
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_currentScript = NULL;
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_isProfiling = false;
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_profilingStartTime = 0;
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//EnableProfiling();
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}
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//////////////////////////////////////////////////////////////////////////
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ScEngine::~ScEngine() {
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_gameRef->LOG(0, "Shutting down scripting engine");
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saveBreakpoints();
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disableProfiling();
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cleanup();
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for (int i = 0; i < _breakpoints.getSize(); i++) {
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delete _breakpoints[i];
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_breakpoints[i] = NULL;
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}
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_breakpoints.removeAll();
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::cleanup() {
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (!_scripts[i]->_thread && _scripts[i]->_owner) _scripts[i]->_owner->removeScript(_scripts[i]);
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delete _scripts[i];
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_scripts.removeAt(i);
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i--;
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}
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_scripts.removeAll();
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delete _globals;
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_globals = NULL;
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emptyScriptCache();
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_currentScript = NULL; // ref only
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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byte *ScEngine::loadFile(void *data, char *filename, uint32 *size) {
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BaseGame *gameRef = (BaseGame *)data;
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return gameRef->_fileManager->readWholeFile(filename, size);
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}
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//////////////////////////////////////////////////////////////////////////
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void ScEngine::closeFile(void *data, byte *buffer) {
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delete[] buffer;
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}
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//////////////////////////////////////////////////////////////////////////
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void ScEngine::parseElement(void *data, int line, int type, void *elementData) {
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}
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//////////////////////////////////////////////////////////////////////////
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ScScript *ScEngine::runScript(const char *filename, BaseScriptHolder *owner) {
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byte *compBuffer;
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uint32 compSize;
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// get script from cache
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compBuffer = getCompiledScript(filename, &compSize);
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if (!compBuffer) return NULL;
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// add new script
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ScScript *script = new ScScript(_gameRef, this);
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bool ret = script->create(filename, compBuffer, compSize, owner);
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if (DID_FAIL(ret)) {
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_gameRef->LOG(ret, "Error running script '%s'...", filename);
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delete script;
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return NULL;
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} else {
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// publish the "self" pseudo-variable
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ScValue val(_gameRef);
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if (owner)val.setNative(owner, true);
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else val.setNULL();
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script->_globals->setProp("self", &val);
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script->_globals->setProp("this", &val);
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_scripts.add(script);
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_gameRef->getDebugMgr()->onScriptInit(script);
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return script;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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byte *ScEngine::getCompiledScript(const char *filename, uint32 *outSize, bool ignoreCache) {
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// is script in cache?
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if (!ignoreCache) {
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for (int i = 0; i < MAX_CACHED_SCRIPTS; i++) {
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if (_cachedScripts[i] && scumm_stricmp(_cachedScripts[i]->_filename.c_str(), filename) == 0) {
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_cachedScripts[i]->_timestamp = g_system->getMillis();
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*outSize = _cachedScripts[i]->_size;
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return _cachedScripts[i]->_buffer;
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}
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}
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}
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// nope, load it
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byte *compBuffer;
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uint32 compSize;
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uint32 size;
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byte *buffer = _gameRef->_fileManager->readWholeFile(filename, &size);
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if (!buffer) {
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_gameRef->LOG(0, "ScEngine::GetCompiledScript - error opening script '%s'", filename);
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return NULL;
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}
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// needs to be compiled?
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if (FROM_LE_32(*(uint32 *)buffer) == SCRIPT_MAGIC) {
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compBuffer = buffer;
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compSize = size;
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} else {
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if (!_compilerAvailable) {
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_gameRef->LOG(0, "ScEngine::GetCompiledScript - script '%s' needs to be compiled but compiler is not available", filename);
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delete[] buffer;
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return NULL;
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}
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// This code will never be called, since _compilerAvailable is const false.
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// It's only here in the event someone would want to reinclude the compiler.
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error("Script needs compilation, ScummVM does not contain a WME compiler");
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}
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byte *ret = NULL;
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// add script to cache
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CScCachedScript *cachedScript = new CScCachedScript(filename, compBuffer, compSize);
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if (cachedScript) {
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int index = 0;
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uint32 MinTime = g_system->getMillis();
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for (int i = 0; i < MAX_CACHED_SCRIPTS; i++) {
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if (_cachedScripts[i] == NULL) {
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index = i;
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break;
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} else if (_cachedScripts[i]->_timestamp <= MinTime) {
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MinTime = _cachedScripts[i]->_timestamp;
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index = i;
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}
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}
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if (_cachedScripts[index] != NULL) delete _cachedScripts[index];
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_cachedScripts[index] = cachedScript;
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ret = cachedScript->_buffer;
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*outSize = cachedScript->_size;
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}
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// cleanup
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delete[] buffer;
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return ret;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::tick() {
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if (_scripts.getSize() == 0)
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return STATUS_OK;
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// resolve waiting scripts
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for (int i = 0; i < _scripts.getSize(); i++) {
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switch (_scripts[i]->_state) {
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case SCRIPT_WAITING: {
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/*
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bool obj_found=false;
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for(int j=0; j<_gameRef->_regObjects.getSize(); j++)
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{
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if (_gameRef->_regObjects[j] == _scripts[i]->_waitObject)
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{
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if (_gameRef->_regObjects[j]->IsReady()) _scripts[i]->Run();
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obj_found = true;
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break;
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}
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}
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if (!obj_found) _scripts[i]->finish(); // _waitObject no longer exists
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*/
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if (_gameRef->validObject(_scripts[i]->_waitObject)) {
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if (_scripts[i]->_waitObject->isReady()) _scripts[i]->run();
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} else _scripts[i]->finish();
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break;
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}
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case SCRIPT_SLEEPING: {
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if (_scripts[i]->_waitFrozen) {
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if (_scripts[i]->_waitTime <= g_system->getMillis()) _scripts[i]->run();
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} else {
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if (_scripts[i]->_waitTime <= _gameRef->_timer) _scripts[i]->run();
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}
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break;
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}
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case SCRIPT_WAITING_SCRIPT: {
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if (!isValidScript(_scripts[i]->_waitScript) || _scripts[i]->_waitScript->_state == SCRIPT_ERROR) {
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// fake return value
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_scripts[i]->_stack->pushNULL();
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_scripts[i]->_waitScript = NULL;
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_scripts[i]->run();
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} else {
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if (_scripts[i]->_waitScript->_state == SCRIPT_THREAD_FINISHED) {
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// copy return value
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_scripts[i]->_stack->push(_scripts[i]->_waitScript->_stack->pop());
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_scripts[i]->run();
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_scripts[i]->_waitScript->finish();
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_scripts[i]->_waitScript = NULL;
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}
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}
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break;
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}
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default:
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//warning("ScEngine::Tick - Unhandled enum");
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break;
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} // switch
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} // for each script
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// execute scripts
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for (int i = 0; i < _scripts.getSize(); i++) {
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// skip paused scripts
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if (_scripts[i]->_state == SCRIPT_PAUSED) continue;
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// time sliced script
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if (_scripts[i]->_timeSlice > 0) {
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uint32 StartTime = g_system->getMillis();
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while (_scripts[i]->_state == SCRIPT_RUNNING && g_system->getMillis() - StartTime < _scripts[i]->_timeSlice) {
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_currentScript = _scripts[i];
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_scripts[i]->executeInstruction();
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}
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if (_isProfiling && _scripts[i]->_filename) addScriptTime(_scripts[i]->_filename, g_system->getMillis() - StartTime);
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}
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// normal script
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else {
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uint32 startTime = 0;
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bool isProfiling = _isProfiling;
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if (isProfiling) startTime = g_system->getMillis();
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while (_scripts[i]->_state == SCRIPT_RUNNING) {
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_currentScript = _scripts[i];
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_scripts[i]->executeInstruction();
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}
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if (isProfiling && _scripts[i]->_filename) addScriptTime(_scripts[i]->_filename, g_system->getMillis() - startTime);
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}
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_currentScript = NULL;
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}
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removeFinishedScripts();
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::tickUnbreakable() {
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// execute unbreakable scripts
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (!_scripts[i]->_unbreakable) continue;
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while (_scripts[i]->_state == SCRIPT_RUNNING) {
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_currentScript = _scripts[i];
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_scripts[i]->executeInstruction();
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}
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_scripts[i]->finish();
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_currentScript = NULL;
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}
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removeFinishedScripts();
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::removeFinishedScripts() {
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// remove finished scripts
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_state == SCRIPT_FINISHED || _scripts[i]->_state == SCRIPT_ERROR) {
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if (!_scripts[i]->_thread && _scripts[i]->_owner) _scripts[i]->_owner->removeScript(_scripts[i]);
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_gameRef->getDebugMgr()->onScriptShutdown(_scripts[i]);
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delete _scripts[i];
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_scripts.removeAt(i);
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i--;
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}
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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int ScEngine::getNumScripts(int *running, int *waiting, int *persistent) {
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int numRunning = 0, numWaiting = 0, numPersistent = 0, numTotal = 0;
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_state == SCRIPT_FINISHED) continue;
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switch (_scripts[i]->_state) {
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case SCRIPT_RUNNING:
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case SCRIPT_SLEEPING:
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case SCRIPT_PAUSED:
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numRunning++;
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break;
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case SCRIPT_WAITING:
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numWaiting++;
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break;
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case SCRIPT_PERSISTENT:
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numPersistent++;
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break;
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default:
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warning("ScEngine::GetNumScripts - unhandled enum");
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break;
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}
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numTotal++;
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}
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if (running) *running = numRunning;
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if (waiting) *waiting = numWaiting;
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if (persistent) *persistent = numPersistent;
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return numTotal;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::emptyScriptCache() {
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for (int i = 0; i < MAX_CACHED_SCRIPTS; i++) {
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if (_cachedScripts[i]) {
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delete _cachedScripts[i];
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_cachedScripts[i] = NULL;
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}
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::resetObject(BaseObject *Object) {
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// terminate all scripts waiting for this object
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_state == SCRIPT_WAITING && _scripts[i]->_waitObject == Object) {
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if (!_gameRef->_compatKillMethodThreads) resetScript(_scripts[i]);
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bool IsThread = _scripts[i]->_methodThread || _scripts[i]->_thread;
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_scripts[i]->finish(!IsThread); // 1.9b1 - top-level script kills its threads as well
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}
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::resetScript(ScScript *script) {
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// terminate all scripts waiting for this script
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_state == SCRIPT_WAITING_SCRIPT && _scripts[i]->_waitScript == script) {
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_scripts[i]->finish();
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}
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::persist(BasePersistenceManager *persistMgr) {
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if (!persistMgr->getIsSaving()) cleanup();
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persistMgr->transfer(TMEMBER(_gameRef));
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persistMgr->transfer(TMEMBER(_currentScript));
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persistMgr->transfer(TMEMBER(_globals));
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_scripts.persist(persistMgr);
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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void ScEngine::editorCleanup() {
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_owner == NULL && (_scripts[i]->_state == SCRIPT_FINISHED || _scripts[i]->_state == SCRIPT_ERROR)) {
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delete _scripts[i];
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_scripts.removeAt(i);
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i--;
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::pauseAll() {
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i] != _currentScript) _scripts[i]->pause();
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::resumeAll() {
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for (int i = 0; i < _scripts.getSize(); i++)
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_scripts[i]->resume();
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::isValidScript(ScScript *script) {
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i] == script) return true;
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}
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::clearGlobals(bool includingNatives) {
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_globals->CleanProps(includingNatives);
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::dbgSendScripts(IWmeDebugClient *client) {
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// send global variables
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_globals->dbgSendVariables(client, WME_DBGVAR_GLOBAL, NULL, 0);
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// process normal scripts first
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_thread || _scripts[i]->_methodThread) continue;
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_scripts[i]->dbgSendScript(client);
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}
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// and threads later
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for (int i = 0; i < _scripts.getSize(); i++) {
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if (_scripts[i]->_thread || _scripts[i]->_methodThread)
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_scripts[i]->dbgSendScript(client);
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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bool ScEngine::addBreakpoint(const char *scriptFilename, int line) {
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if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
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CScBreakpoint *bp = NULL;
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for (int i = 0; i < _breakpoints.getSize(); i++) {
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if (scumm_stricmp(_breakpoints[i]->_filename.c_str(), scriptFilename) == 0) {
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bp = _breakpoints[i];
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break;
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}
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}
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if (bp == NULL) {
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bp = new CScBreakpoint(scriptFilename);
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_breakpoints.add(bp);
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}
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|
|
for (int i = 0; i < bp->_lines.getSize(); i++) {
|
|
if (bp->_lines[i] == line) return STATUS_OK;
|
|
}
|
|
bp->_lines.add(line);
|
|
|
|
// refresh changes
|
|
refreshScriptBreakpoints();
|
|
|
|
return STATUS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
bool ScEngine::removeBreakpoint(const char *scriptFilename, int line) {
|
|
if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
|
|
|
|
for (int i = 0; i < _breakpoints.getSize(); i++) {
|
|
if (scumm_stricmp(_breakpoints[i]->_filename.c_str(), scriptFilename) == 0) {
|
|
for (int j = 0; j < _breakpoints[i]->_lines.getSize(); j++) {
|
|
if (_breakpoints[i]->_lines[j] == line) {
|
|
_breakpoints[i]->_lines.removeAt(j);
|
|
if (_breakpoints[i]->_lines.getSize() == 0) {
|
|
delete _breakpoints[i];
|
|
_breakpoints.removeAt(i);
|
|
}
|
|
// refresh changes
|
|
refreshScriptBreakpoints();
|
|
|
|
return STATUS_OK;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return STATUS_FAILED;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
bool ScEngine::refreshScriptBreakpoints() {
|
|
if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
|
|
|
|
for (int i = 0; i < _scripts.getSize(); i++) {
|
|
refreshScriptBreakpoints(_scripts[i]);
|
|
}
|
|
return STATUS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
bool ScEngine::refreshScriptBreakpoints(ScScript *script) {
|
|
if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
|
|
|
|
if (!script || !script->_filename) return STATUS_FAILED;
|
|
|
|
for (int i = 0; i < _breakpoints.getSize(); i++) {
|
|
if (scumm_stricmp(_breakpoints[i]->_filename.c_str(), script->_filename) == 0) {
|
|
script->_breakpoints.copy(_breakpoints[i]->_lines);
|
|
return STATUS_OK;
|
|
}
|
|
}
|
|
if (script->_breakpoints.getSize() > 0) script->_breakpoints.removeAll();
|
|
|
|
return STATUS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
bool ScEngine::saveBreakpoints() {
|
|
if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
|
|
|
|
|
|
char text[512];
|
|
char key[100];
|
|
|
|
int count = 0;
|
|
for (int i = 0; i < _breakpoints.getSize(); i++) {
|
|
for (int j = 0; j < _breakpoints[i]->_lines.getSize(); j++) {
|
|
count++;
|
|
sprintf(key, "Breakpoint%d", count);
|
|
sprintf(text, "%s:%d", _breakpoints[i]->_filename.c_str(), _breakpoints[i]->_lines[j]);
|
|
|
|
_gameRef->_registry->writeString("Debug", key, text);
|
|
}
|
|
}
|
|
_gameRef->_registry->writeInt("Debug", "NumBreakpoints", count);
|
|
|
|
return STATUS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
bool ScEngine::loadBreakpoints() {
|
|
if (!_gameRef->getDebugMgr()->_enabled) return STATUS_OK;
|
|
|
|
char key[100];
|
|
|
|
int count = _gameRef->_registry->readInt("Debug", "NumBreakpoints", 0);
|
|
for (int i = 1; i <= count; i++) {
|
|
/* uint32 BufSize = 512; */
|
|
sprintf(key, "Breakpoint%d", i);
|
|
AnsiString breakpoint = _gameRef->_registry->readString("Debug", key, "");
|
|
|
|
char *path = BaseUtils::strEntry(0, breakpoint.c_str(), ':');
|
|
char *line = BaseUtils::strEntry(1, breakpoint.c_str(), ':');
|
|
|
|
if (path != NULL && line != NULL) addBreakpoint(path, atoi(line));
|
|
delete[] path;
|
|
delete[] line;
|
|
path = NULL;
|
|
line = NULL;
|
|
}
|
|
|
|
return STATUS_OK;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void ScEngine::addScriptTime(const char *filename, uint32 time) {
|
|
if (!_isProfiling) return;
|
|
|
|
AnsiString fileName = filename;
|
|
fileName.toLowercase();
|
|
_scriptTimes[fileName] += time;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void ScEngine::enableProfiling() {
|
|
if (_isProfiling) return;
|
|
|
|
// destroy old data, if any
|
|
_scriptTimes.clear();
|
|
|
|
_profilingStartTime = g_system->getMillis();
|
|
_isProfiling = true;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void ScEngine::disableProfiling() {
|
|
if (!_isProfiling) return;
|
|
|
|
dumpStats();
|
|
_isProfiling = false;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void ScEngine::dumpStats() {
|
|
error("DumpStats not ported to ScummVM yet");
|
|
/* uint32 totalTime = g_system->getMillis() - _profilingStartTime;
|
|
|
|
typedef std::vector <std::pair<uint32, std::string> > TimeVector;
|
|
TimeVector times;
|
|
|
|
ScriptTimes::iterator it;
|
|
for (it = _scriptTimes.begin(); it != _scriptTimes.end(); it++) {
|
|
times.push_back(std::pair<uint32, std::string> (it->_value, it->_key));
|
|
}
|
|
std::sort(times.begin(), times.end());
|
|
|
|
|
|
TimeVector::reverse_iterator tit;
|
|
|
|
_gameRef->LOG(0, "***** Script profiling information: *****");
|
|
_gameRef->LOG(0, " %-40s %fs", "Total execution time", (float)totalTime / 1000);
|
|
|
|
for (tit = times.rbegin(); tit != times.rend(); tit++) {
|
|
_gameRef->LOG(0, " %-40s %fs (%f%%)", tit->second.c_str(), (float)tit->first / 1000, (float)tit->first / (float)totalTime * 100);
|
|
}*/
|
|
}
|
|
|
|
} // end of namespace WinterMute
|