stk-code_catmod/src/scriptengine/script_engine.hpp
2016-09-04 11:56:03 +08:00

95 lines
3.1 KiB
C++

//
// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2014-2015 SuperTuxKart Team
//
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef HEADER_SCRIPT_ENGINE_HPP
#define HEADER_SCRIPT_ENGINE_HPP
#include <string>
#include <angelscript.h>
#include <functional>
#include <map>
#include "scriptengine/script_utils.hpp"
#include "utils/no_copy.hpp"
#include "utils/ptr_vector.hpp"
class TrackObjectPresentation;
namespace Scripting
{
/** Represents a scripting function to execute after a given time */
struct PendingTimeout : NoCopy
{
double m_time;
/** We have two callback types: a string containing the name of the function
* to call (simple callback) or a "TimeoutBase" object (advanced callback)
*/
std::string m_callback_name;
asIScriptFunction* m_callback_delegate;
PendingTimeout(double time, const std::string& callback_name)
{
m_callback_delegate = NULL;
m_time = time;
m_callback_name = callback_name;
}
PendingTimeout(double time, asIScriptFunction* callback_delegate);
~PendingTimeout();
};
class ScriptEngine
{
public:
ScriptEngine();
~ScriptEngine();
void runFunction(bool warn_if_not_found, std::string function_name);
void runFunction(bool warn_if_not_found, std::string function_name,
std::function<void(asIScriptContext*)> callback);
void runFunction(bool warn_if_not_found, std::string function_name,
std::function<void(asIScriptContext*)> callback,
std::function<void(asIScriptContext*)> get_return_value);
void runDelegate(asIScriptFunction* delegate_fn);
void evalScript(std::string script_fragment);
void cleanupCache();
bool loadScript(std::string script_path, bool clear_previous);
bool compileLoadedScripts();
void addPendingTimeout(double time, const std::string& callback_name);
void addPendingTimeout(double time, asIScriptFunction* delegate_fn);
void update(double dt);
asIScriptEngine* getEngine() { return m_engine; }
private:
asIScriptEngine *m_engine;
std::map<std::string, asIScriptFunction*> m_functions_cache;
PtrVector<PendingTimeout> m_pending_timeouts;
void configureEngine(asIScriptEngine *engine);
}; // class ScriptEngine
}
#endif