diff options
Diffstat (limited to 'engines/wintermute/base/BScriptHolder.cpp')
| -rw-r--r-- | engines/wintermute/base/BScriptHolder.cpp | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/engines/wintermute/base/BScriptHolder.cpp b/engines/wintermute/base/BScriptHolder.cpp new file mode 100644 index 0000000000..65d37b2e5c --- /dev/null +++ b/engines/wintermute/base/BScriptHolder.cpp @@ -0,0 +1,473 @@ +/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/dcgf.h"
+#include "engines/wintermute/ad/AdGame.h"
+#include "engines/wintermute/base/BScriptHolder.h"
+#include "engines/wintermute/base/BParser.h"
+#include "engines/wintermute/base/scriptables/ScValue.h"
+#include "engines/wintermute/base/scriptables/ScEngine.h"
+#include "engines/wintermute/base/scriptables/ScScript.h"
+#include "engines/wintermute/base/scriptables/ScStack.h"
+
+namespace WinterMute {
+
+IMPLEMENT_PERSISTENT(CBScriptHolder, false)
+
+//////////////////////////////////////////////////////////////////////
+CBScriptHolder::CBScriptHolder(CBGame *inGame): CBScriptable(inGame) {
+ setName("<unnamed>");
+
+ _freezable = true;
+ _filename = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+CBScriptHolder::~CBScriptHolder() {
+ cleanup();
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::cleanup() {
+ delete[] _filename;
+ _filename = NULL;
+
+ int i;
+
+ for (i = 0; i < _scripts.getSize(); i++) {
+ _scripts[i]->finish(true);
+ _scripts[i]->_owner = NULL;
+ }
+ _scripts.removeAll();
+
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////
+void CBScriptHolder::setFilename(const char *filename) {
+ if (_filename != NULL) delete [] _filename;
+
+ _filename = new char [strlen(filename) + 1];
+ if (_filename != NULL) strcpy(_filename, filename);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::applyEvent(const char *eventName, bool unbreakable) {
+ int numHandlers = 0;
+
+ bool ret = STATUS_FAILED;
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (!_scripts[i]->_thread) {
+ CScScript *handler = _scripts[i]->invokeEventHandler(eventName, unbreakable);
+ if (handler) {
+ //_scripts.add(handler);
+ numHandlers++;
+ ret = STATUS_OK;
+ }
+ }
+ }
+ if (numHandlers > 0 && unbreakable) _gameRef->_scEngine->tickUnbreakable();
+
+ return ret;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::listen(CBScriptHolder *param1, uint32 param2) {
+ return STATUS_FAILED;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+// high level scripting interface
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::scCallMethod(CScScript *script, CScStack *stack, CScStack *thisStack, const char *name) {
+ //////////////////////////////////////////////////////////////////////////
+ // DEBUG_CrashMe
+ //////////////////////////////////////////////////////////////////////////
+ if (strcmp(name, "DEBUG_CrashMe") == 0) {
+ stack->correctParams(0);
+ byte *p = 0;
+ *p = 10;
+ stack->pushNULL();
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // ApplyEvent
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "ApplyEvent") == 0) {
+ stack->correctParams(1);
+ CScValue *val = stack->pop();
+ bool ret;
+ ret = applyEvent(val->getString());
+
+ if (DID_SUCCEED(ret)) stack->pushBool(true);
+ else stack->pushBool(false);
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // CanHandleEvent
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "CanHandleEvent") == 0) {
+ stack->correctParams(1);
+ stack->pushBool(canHandleEvent(stack->pop()->getString()));
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // CanHandleMethod
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "CanHandleMethod") == 0) {
+ stack->correctParams(1);
+ stack->pushBool(canHandleMethod(stack->pop()->getString()));
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // AttachScript
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "AttachScript") == 0) {
+ stack->correctParams(1);
+ stack->pushBool(DID_SUCCEED(addScript(stack->pop()->getString())));
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // DetachScript
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "DetachScript") == 0) {
+ stack->correctParams(2);
+ const char *filename = stack->pop()->getString();
+ bool killThreads = stack->pop()->getBool(false);
+ bool ret = false;
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (scumm_stricmp(_scripts[i]->_filename, filename) == 0) {
+ _scripts[i]->finish(killThreads);
+ ret = true;
+ break;
+ }
+ }
+ stack->pushBool(ret);
+
+ return STATUS_OK;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // IsScriptRunning
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "IsScriptRunning") == 0) {
+ stack->correctParams(1);
+ const char *filename = stack->pop()->getString();
+ bool ret = false;
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (scumm_stricmp(_scripts[i]->_filename, filename) == 0 && _scripts[i]->_state != SCRIPT_FINISHED && _scripts[i]->_state != SCRIPT_ERROR) {
+ ret = true;
+ break;
+ }
+ }
+ stack->pushBool(ret);
+
+ return STATUS_OK;
+ } else return CBScriptable::scCallMethod(script, stack, thisStack, name);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+CScValue *CBScriptHolder::scGetProperty(const char *name) {
+ _scValue->setNULL();
+
+ //////////////////////////////////////////////////////////////////////////
+ // Type
+ //////////////////////////////////////////////////////////////////////////
+ if (strcmp(name, "Type") == 0) {
+ _scValue->setString("script_holder");
+ return _scValue;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // Name
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "Name") == 0) {
+ _scValue->setString(_name);
+ return _scValue;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // Filename (RO)
+ //////////////////////////////////////////////////////////////////////////
+ else if (strcmp(name, "Filename") == 0) {
+ _scValue->setString(_filename);
+ return _scValue;
+ }
+
+ else return CBScriptable::scGetProperty(name);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::scSetProperty(const char *name, CScValue *value) {
+ //////////////////////////////////////////////////////////////////////////
+ // Name
+ //////////////////////////////////////////////////////////////////////////
+ if (strcmp(name, "Name") == 0) {
+ setName(value->getString());
+ return STATUS_OK;
+ } else return CBScriptable::scSetProperty(name, value);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+const char *CBScriptHolder::scToString() {
+ return "[script_holder]";
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::saveAsText(CBDynBuffer *buffer, int indent) {
+ return CBBase::saveAsText(buffer, indent);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::persist(CBPersistMgr *persistMgr) {
+ CBScriptable::persist(persistMgr);
+
+ persistMgr->transfer(TMEMBER(_filename));
+ persistMgr->transfer(TMEMBER(_freezable));
+ persistMgr->transfer(TMEMBER(_name));
+ _scripts.persist(persistMgr);
+
+ return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::addScript(const char *filename) {
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (scumm_stricmp(_scripts[i]->_filename, filename) == 0) {
+ if (_scripts[i]->_state != SCRIPT_FINISHED) {
+ _gameRef->LOG(0, "CBScriptHolder::AddScript - trying to add script '%s' mutiple times (obj: '%s')", filename, _name);
+ return STATUS_OK;
+ }
+ }
+ }
+
+ CScScript *scr = _gameRef->_scEngine->runScript(filename, this);
+ if (!scr) {
+ if (_gameRef->_editorForceScripts) {
+ // editor hack
+ scr = new CScScript(_gameRef, _gameRef->_scEngine);
+ scr->_filename = new char[strlen(filename) + 1];
+ strcpy(scr->_filename, filename);
+ scr->_state = SCRIPT_ERROR;
+ scr->_owner = this;
+ _scripts.add(scr);
+ _gameRef->_scEngine->_scripts.add(scr);
+ _gameRef->getDebugMgr()->onScriptInit(scr);
+
+ return STATUS_OK;
+ }
+ return STATUS_FAILED;
+ } else {
+ scr->_freezable = _freezable;
+ _scripts.add(scr);
+ return STATUS_OK;
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::removeScript(CScScript *script) {
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (_scripts[i] == script) {
+ _scripts.removeAt(i);
+ break;
+ }
+ }
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::canHandleEvent(const char *EventName) {
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (!_scripts[i]->_thread && _scripts[i]->canHandleEvent(EventName)) return true;
+ }
+ return false;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::canHandleMethod(const char *MethodName) {
+ for (int i = 0; i < _scripts.getSize(); i++) {
+ if (!_scripts[i]->_thread && _scripts[i]->canHandleMethod(MethodName)) return true;
+ }
+ return false;
+}
+
+
+TOKEN_DEF_START
+TOKEN_DEF(PROPERTY)
+TOKEN_DEF(NAME)
+TOKEN_DEF(VALUE)
+TOKEN_DEF_END
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::parseProperty(byte *buffer, bool complete) {
+ TOKEN_TABLE_START(commands)
+ TOKEN_TABLE(PROPERTY)
+ TOKEN_TABLE(NAME)
+ TOKEN_TABLE(VALUE)
+ TOKEN_TABLE_END
+
+ byte *params;
+ int cmd;
+ CBParser parser(_gameRef);
+
+ if (complete) {
+ if (parser.getCommand((char **)&buffer, commands, (char **)¶ms) != TOKEN_PROPERTY) {
+ _gameRef->LOG(0, "'PROPERTY' keyword expected.");
+ return STATUS_FAILED;
+ }
+ buffer = params;
+ }
+
+ char *propName = NULL;
+ char *propValue = NULL;
+
+ while ((cmd = parser.getCommand((char **)&buffer, commands, (char **)¶ms)) > 0) {
+ switch (cmd) {
+ case TOKEN_NAME:
+ delete[] propName;
+ propName = new char[strlen((char *)params) + 1];
+ if (propName) strcpy(propName, (char *)params);
+ else cmd = PARSERR_GENERIC;
+ break;
+
+ case TOKEN_VALUE:
+ delete[] propValue;
+ propValue = new char[strlen((char *)params) + 1];
+ if (propValue) strcpy(propValue, (char *)params);
+ else cmd = PARSERR_GENERIC;
+ break;
+ }
+
+ }
+ if (cmd == PARSERR_TOKENNOTFOUND) {
+ delete[] propName;
+ delete[] propValue;
+ propName = NULL;
+ propValue = NULL;
+ _gameRef->LOG(0, "Syntax error in PROPERTY definition");
+ return STATUS_FAILED;
+ }
+ if (cmd == PARSERR_GENERIC || propName == NULL || propValue == NULL) {
+ delete[] propName;
+ delete[] propValue;
+ propName = NULL;
+ propValue = NULL;
+ _gameRef->LOG(0, "Error loading PROPERTY definition");
+ return STATUS_FAILED;
+ }
+
+
+ CScValue *val = new CScValue(_gameRef);
+ val->setString(propValue);
+ scSetProperty(propName, val);
+
+ delete val;
+ delete[] propName;
+ delete[] propValue;
+ propName = NULL;
+ propValue = NULL;
+
+ return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void CBScriptHolder::makeFreezable(bool freezable) {
+ _freezable = freezable;
+ for (int i = 0; i < _scripts.getSize(); i++)
+ _scripts[i]->_freezable = freezable;
+
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+CScScript *CBScriptHolder::invokeMethodThread(const char *methodName) {
+ for (int i = _scripts.getSize() - 1; i >= 0; i--) {
+ if (_scripts[i]->canHandleMethod(methodName)) {
+
+ CScScript *thread = new CScScript(_gameRef, _scripts[i]->_engine);
+ if (thread) {
+ bool ret = thread->createMethodThread(_scripts[i], methodName);
+ if (DID_SUCCEED(ret)) {
+ _scripts[i]->_engine->_scripts.add(thread);
+ _gameRef->getDebugMgr()->onScriptMethodThreadInit(thread, _scripts[i], methodName);
+
+ return thread;
+ } else {
+ delete thread;
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void CBScriptHolder::scDebuggerDesc(char *buf, int bufSize) {
+ strcpy(buf, scToString());
+ if (_name && strcmp(_name, "<unnamed>") != 0) {
+ strcat(buf, " Name: ");
+ strcat(buf, _name);
+ }
+ if (_filename) {
+ strcat(buf, " File: ");
+ strcat(buf, _filename);
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+// IWmeObject
+//////////////////////////////////////////////////////////////////////////
+bool CBScriptHolder::sendEvent(const char *eventName) {
+ return DID_SUCCEED(applyEvent(eventName));
+}
+
+} // end of namespace WinterMute
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