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engines/wintermute/base/scriptables/script_engine.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_SCENGINE_H
+#define WINTERMUTE_SCENGINE_H
+
+#include "engines/wintermute/persistent.h"
+#include "engines/wintermute/coll_templ.h"
+#include "engines/wintermute/base/base.h"
+#include "engines/wintermute/platform_osystem.h"
+
+namespace Wintermute {
+
+#define MAX_CACHED_SCRIPTS 20
+class ScScript;
+class ScValue;
+class BaseObject;
+class BaseScriptHolder;
+class ScEngine : public BaseClass {
+public:
+	class CScCachedScript {
+	public:
+		CScCachedScript(const char *filename, byte *buffer, uint32 size) {
+			_timestamp = BasePlatform::getTime();
+			_buffer = new byte[size];
+			if (_buffer) {
+				memcpy(_buffer, buffer, size);
+			}
+			_size = size;
+			size_t filenameSize = strlen(filename) + 1;
+			_filename = new char[filenameSize];
+			Common::strcpy_s(_filename, filenameSize, filename);
+		};
+
+		~CScCachedScript() {
+			if (_buffer) {
+				delete[] _buffer;
+			}
+			if (_filename)
+				delete[] _filename;
+		};
+
+		uint32 _timestamp;
+		byte *_buffer;
+		uint32 _size;
+		char *_filename;
+	};
+
+public:
+	bool clearGlobals(bool includingNatives = false);
+	bool tickUnbreakable();
+	bool removeFinishedScripts();
+	bool isValidScript(ScScript *script);
+
+	ScScript *_currentScript;
+	bool resumeAll();
+	bool pauseAll();
+	void editorCleanup();
+	bool resetObject(BaseObject *object);
+	bool resetScript(ScScript *script);
+	bool emptyScriptCache();
+	byte *getCompiledScript(const char *filename, uint32 *outSize, bool ignoreCache = false);
+	DECLARE_PERSISTENT(ScEngine, BaseClass)
+	bool cleanup();
+	int getNumScripts(int *running = nullptr, int *waiting = nullptr, int *persistent = nullptr);
+	bool tick();
+	ScValue *_globals;
+	ScScript *runScript(const char *filename, BaseScriptHolder *owner = nullptr);
+	bool isRunningScript(const char *filename);
+	static const bool _compilerAvailable = false;
+
+	ScEngine(BaseGame *inGame);
+	~ScEngine() override;
+	static byte *loadFile(void *data, char *filename, uint32 *size);
+	static void closeFile(void *data, byte *buffer);
+	static void parseElement(void *data, int line, int type, void *elementData);
+
+	BaseArray<ScScript *> _scripts;
+
+	void enableProfiling();
+	void disableProfiling();
+	bool isProfiling() {
+		return _isProfiling;
+	}
+
+	void addScriptTime(const char *filename, uint32 time);
+	void dumpStats();
+
+private:
+
+	CScCachedScript *_cachedScripts[MAX_CACHED_SCRIPTS];
+	bool _isProfiling;
+	uint32 _profilingStartTime;
+
+	typedef Common::HashMap<Common::String, uint32> ScriptTimes;
+	ScriptTimes _scriptTimes;
+
+};
+
+} // End of namespace Wintermute
+
+#endif