stk-code_catmod/src/tracks/check_trigger.hpp
2020-02-24 10:58:17 +08:00

75 lines
2.6 KiB
C++

// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2019 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_CHECK_TRIGGER_HPP
#define HEADER_CHECK_TRIGGER_HPP
#include "tracks/check_structure.hpp"
#include "utils/cpp2011.hpp"
#include "utils/types.hpp"
#include <functional>
/** This class implements a check point like item, but used only for scripting
* or sound trigger.
* \ingroup tracks
*/
class CheckTrigger : public CheckStructure
{
private:
/** Center of the trigger. */
const Vec3 m_center;
/** Squared of the triggering distance. */
const float m_distance2;
/** Function to call when triggered. */
std::function<void(int)> m_triggering_function;
/** Time since last trigger, if any triggering between 2 seconds ignored
* (like items). */
uint64_t m_last_triggered_time;
public:
CheckTrigger(const Vec3& center, float distance,
std::function<void(int)> triggering_function);
// ------------------------------------------------------------------------
virtual ~CheckTrigger() {}
// ------------------------------------------------------------------------
virtual bool isTriggered(const Vec3 &old_pos, const Vec3 &new_pos,
int kart_id) OVERRIDE;
// ------------------------------------------------------------------------
virtual void trigger(unsigned int kart_index) OVERRIDE
{
if (!m_triggering_function) return;
m_triggering_function(kart_index);
CheckStructure::trigger(kart_index);
}
// ------------------------------------------------------------------------
virtual CheckStructure* clone() OVERRIDE
{
CheckTrigger* ct = new CheckTrigger(*this);
// Drop unneeded stuff ( trigger function is not supported in server,
// no scripting atm)
ct->m_triggering_function = nullptr;
return ct;
}
}; // CheckTrigger
#endif