mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 09:49:11 +00:00
503 lines
14 KiB
C++
503 lines
14 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/ad/ad_game.h"
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#include "engines/wintermute/base/base_script_holder.h"
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#include "engines/wintermute/base/base_parser.h"
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#include "engines/wintermute/base/scriptables/script_value.h"
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#include "engines/wintermute/base/scriptables/script_engine.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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namespace Wintermute {
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IMPLEMENT_PERSISTENT(BaseScriptHolder, false)
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//////////////////////////////////////////////////////////////////////
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BaseScriptHolder::BaseScriptHolder(BaseGame *inGame) : BaseScriptable(inGame) {
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setName("<unnamed>");
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_freezable = true;
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_filename = nullptr;
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}
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//////////////////////////////////////////////////////////////////////
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BaseScriptHolder::~BaseScriptHolder() {
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cleanup();
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::cleanup() {
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delete[] _filename;
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_filename = nullptr;
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for (uint32 i = 0; i < _scripts.size(); i++) {
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_scripts[i]->finish(true);
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_scripts[i]->_owner = nullptr;
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}
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_scripts.clear();
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////
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void BaseScriptHolder::setFilename(const char *filename) {
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if (_filename != nullptr) {
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delete[] _filename;
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_filename = nullptr;
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}
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if (filename == nullptr) {
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return;
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}
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_filename = new char [strlen(filename) + 1];
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if (_filename != nullptr) {
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strcpy(_filename, filename);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::applyEvent(const char *eventName, bool unbreakable) {
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int numHandlers = 0;
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bool ret = STATUS_FAILED;
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (!_scripts[i]->_thread) {
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ScScript *handler = _scripts[i]->invokeEventHandler(eventName, unbreakable);
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if (handler) {
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//_scripts.add(handler);
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numHandlers++;
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ret = STATUS_OK;
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}
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}
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}
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if (numHandlers > 0 && unbreakable) {
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_gameRef->_scEngine->tickUnbreakable();
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}
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return ret;
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::listen(BaseScriptHolder *param1, uint32 param2) {
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return STATUS_FAILED;
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}
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//////////////////////////////////////////////////////////////////////////
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// high level scripting interface
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) {
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//////////////////////////////////////////////////////////////////////////
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// DEBUG_CrashMe
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//////////////////////////////////////////////////////////////////////////
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if (strcmp(name, "DEBUG_CrashMe") == 0) {
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stack->correctParams(0);
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byte *p = 0;
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*p = 10;
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stack->pushNULL();
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// ApplyEvent
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "ApplyEvent") == 0) {
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stack->correctParams(1);
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ScValue *val = stack->pop();
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bool ret;
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ret = applyEvent(val->getString());
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if (DID_SUCCEED(ret)) {
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stack->pushBool(true);
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} else {
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stack->pushBool(false);
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}
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// CanHandleEvent
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "CanHandleEvent") == 0) {
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stack->correctParams(1);
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stack->pushBool(canHandleEvent(stack->pop()->getString()));
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// CanHandleMethod
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "CanHandleMethod") == 0) {
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stack->correctParams(1);
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stack->pushBool(canHandleMethod(stack->pop()->getString()));
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// AttachScript
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "AttachScript") == 0) {
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stack->correctParams(1);
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stack->pushBool(DID_SUCCEED(addScript(stack->pop()->getString())));
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// DetachScript
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "DetachScript") == 0) {
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stack->correctParams(2);
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const char *filename = stack->pop()->getString();
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bool killThreads = stack->pop()->getBool(false);
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bool ret = false;
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (scumm_stricmp(_scripts[i]->_filename, filename) == 0) {
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_scripts[i]->finish(killThreads);
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ret = true;
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break;
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}
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}
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stack->pushBool(ret);
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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// IsScriptRunning
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//////////////////////////////////////////////////////////////////////////
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else if (strcmp(name, "IsScriptRunning") == 0) {
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stack->correctParams(1);
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const char *filename = stack->pop()->getString();
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bool ret = false;
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (scumm_stricmp(_scripts[i]->_filename, filename) == 0 && _scripts[i]->_state != SCRIPT_FINISHED && _scripts[i]->_state != SCRIPT_ERROR) {
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ret = true;
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break;
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}
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}
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stack->pushBool(ret);
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return STATUS_OK;
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} else {
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return BaseScriptable::scCallMethod(script, stack, thisStack, name);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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ScValue *BaseScriptHolder::scGetProperty(const Common::String &name) {
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_scValue->setNULL();
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//////////////////////////////////////////////////////////////////////////
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// Type
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//////////////////////////////////////////////////////////////////////////
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if (name == "Type") {
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_scValue->setString("script_holder");
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return _scValue;
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}
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//////////////////////////////////////////////////////////////////////////
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// Name
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//////////////////////////////////////////////////////////////////////////
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else if (name == "Name") {
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_scValue->setString(getName());
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return _scValue;
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}
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//////////////////////////////////////////////////////////////////////////
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// Filename (RO)
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//////////////////////////////////////////////////////////////////////////
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else if (name == "Filename") {
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_scValue->setString(_filename);
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return _scValue;
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} else {
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return BaseScriptable::scGetProperty(name);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::scSetProperty(const char *name, ScValue *value) {
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//////////////////////////////////////////////////////////////////////////
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// Name
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//////////////////////////////////////////////////////////////////////////
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if (strcmp(name, "Name") == 0) {
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setName(value->getString());
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return STATUS_OK;
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} else {
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return BaseScriptable::scSetProperty(name, value);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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const char *BaseScriptHolder::scToString() {
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return "[script_holder]";
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::saveAsText(BaseDynamicBuffer *buffer, int indent) {
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return BaseClass::saveAsText(buffer, indent);
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::persist(BasePersistenceManager *persistMgr) {
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BaseScriptable::persist(persistMgr);
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persistMgr->transfer(TMEMBER(_filename));
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persistMgr->transfer(TMEMBER(_freezable));
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if (persistMgr->getIsSaving()) {
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const char *name = getName();
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persistMgr->transfer(TMEMBER(name));
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} else {
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char *name;
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persistMgr->transfer(TMEMBER(name));
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setName(name);
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delete[] name;
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}
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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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bool BaseScriptHolder::addScript(const char *filename) {
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (scumm_stricmp(_scripts[i]->_filename, filename) == 0) {
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if (_scripts[i]->_state != SCRIPT_FINISHED) {
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_gameRef->LOG(0, "BaseScriptHolder::AddScript - trying to add script '%s' mutiple times (obj: '%s')", filename, getName());
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return STATUS_OK;
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}
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}
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}
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ScScript *scr = _gameRef->_scEngine->runScript(filename, this);
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if (!scr) {
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if (_gameRef->_editorForceScripts) {
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// editor hack
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scr = new ScScript(_gameRef, _gameRef->_scEngine);
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scr->_filename = new char[strlen(filename) + 1];
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strcpy(scr->_filename, filename);
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scr->_state = SCRIPT_ERROR;
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scr->_owner = this;
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_scripts.add(scr);
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_gameRef->_scEngine->_scripts.add(scr);
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return STATUS_OK;
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}
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return STATUS_FAILED;
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} else {
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scr->_freezable = _freezable;
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_scripts.add(scr);
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return STATUS_OK;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::removeScript(ScScript *script) {
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (_scripts[i] == script) {
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_scripts.remove_at(i);
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break;
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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 BaseScriptHolder::canHandleEvent(const char *EventName) const {
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (!_scripts[i]->_thread && _scripts[i]->canHandleEvent(EventName)) {
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return true;
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}
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}
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::canHandleMethod(const char *MethodName) const {
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for (uint32 i = 0; i < _scripts.size(); i++) {
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if (!_scripts[i]->_thread && _scripts[i]->canHandleMethod(MethodName)) {
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return true;
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}
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}
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return false;
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}
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TOKEN_DEF_START
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TOKEN_DEF(PROPERTY)
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TOKEN_DEF(NAME)
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TOKEN_DEF(VALUE)
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TOKEN_DEF_END
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::parseProperty(byte *buffer, bool complete) {
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TOKEN_TABLE_START(commands)
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TOKEN_TABLE(PROPERTY)
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TOKEN_TABLE(NAME)
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TOKEN_TABLE(VALUE)
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TOKEN_TABLE_END
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byte *params;
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int cmd;
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BaseParser parser;
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if (complete) {
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if (parser.getCommand((char **)&buffer, commands, (char **)¶ms) != TOKEN_PROPERTY) {
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_gameRef->LOG(0, "'PROPERTY' keyword expected.");
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return STATUS_FAILED;
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}
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buffer = params;
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}
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char *propName = nullptr;
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char *propValue = nullptr;
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while ((cmd = parser.getCommand((char **)&buffer, commands, (char **)¶ms)) > 0) {
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switch (cmd) {
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case TOKEN_NAME:
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delete[] propName;
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propName = new char[strlen((char *)params) + 1];
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if (propName) {
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strcpy(propName, (char *)params);
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} else {
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cmd = PARSERR_GENERIC;
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}
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break;
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case TOKEN_VALUE:
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delete[] propValue;
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propValue = new char[strlen((char *)params) + 1];
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if (propValue) {
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strcpy(propValue, (char *)params);
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} else {
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cmd = PARSERR_GENERIC;
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}
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break;
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}
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}
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if (cmd == PARSERR_TOKENNOTFOUND) {
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delete[] propName;
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delete[] propValue;
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propName = nullptr;
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propValue = nullptr;
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_gameRef->LOG(0, "Syntax error in PROPERTY definition");
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return STATUS_FAILED;
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}
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if (cmd == PARSERR_GENERIC || propName == nullptr || propValue == nullptr) {
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delete[] propName;
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delete[] propValue;
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propName = nullptr;
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propValue = nullptr;
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_gameRef->LOG(0, "Error loading PROPERTY definition");
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return STATUS_FAILED;
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}
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ScValue *val = new ScValue(_gameRef);
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val->setString(propValue);
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scSetProperty(propName, val);
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delete val;
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delete[] propName;
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delete[] propValue;
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propName = nullptr;
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propValue = nullptr;
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return STATUS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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void BaseScriptHolder::makeFreezable(bool freezable) {
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_freezable = freezable;
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for (uint32 i = 0; i < _scripts.size(); i++) {
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_scripts[i]->_freezable = freezable;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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ScScript *BaseScriptHolder::invokeMethodThread(const char *methodName) {
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for (int i = _scripts.size() - 1; i >= 0; i--) {
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if (_scripts[i]->canHandleMethod(methodName)) {
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ScScript *thread = new ScScript(_gameRef, _scripts[i]->_engine);
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if (thread) {
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bool ret = thread->createMethodThread(_scripts[i], methodName);
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if (DID_SUCCEED(ret)) {
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_scripts[i]->_engine->_scripts.add(thread);
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return thread;
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} else {
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delete thread;
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}
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}
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}
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}
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return nullptr;
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}
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//////////////////////////////////////////////////////////////////////////
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void BaseScriptHolder::scDebuggerDesc(char *buf, int bufSize) {
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strcpy(buf, scToString());
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if (getName() && strcmp(getName(), "<unnamed>") != 0) {
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strcat(buf, " Name: ");
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strcat(buf, getName());
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}
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if (_filename) {
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strcat(buf, " File: ");
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strcat(buf, _filename);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// IWmeObject
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//////////////////////////////////////////////////////////////////////////
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bool BaseScriptHolder::sendEvent(const char *eventName) {
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return DID_SUCCEED(applyEvent(eventName));
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}
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} // end of namespace Wintermute
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