scummvm/engines/twp/thread.h
2024-12-10 21:52:42 +01:00

140 lines
3.4 KiB
C++

/* 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/>.
*
*/
#ifndef TWP_THREAD_H
#define TWP_THREAD_H
#include "common/array.h"
#include "common/str.h"
#include "twp/squirrel/squirrel.h"
namespace Twp {
class ThreadBase {
public:
virtual ~ThreadBase() {}
void pause() {
if (_pauseable) {
_paused = true;
suspend();
}
}
void unpause() {
_paused = false;
resume();
}
void setName(const Common::String &name) { _name = name; }
Common::String getName() const { return _name; }
int getId() const { return _id; }
virtual HSQUIRRELVM getThread() = 0;
virtual bool isGlobal() = 0;
bool isSuspended();
bool isDead();
void suspend();
void resume();
virtual bool update(float elapsed) = 0;
virtual void stop() = 0;
protected:
public:
float _waitTime = 0.f;
int _numFrames = 0;
bool _paused = false;
bool _pauseable = false;
uint32 _lastUpdateTime = 0;
protected:
int _id = 0;
Common::String _name;
bool _stopRequest = false;
bool _stopped = false;
};
class Thread final : public ThreadBase {
public:
Thread(const Common::String &name, bool global, HSQOBJECT threadObj, HSQOBJECT envObj, HSQOBJECT closureObj, const Common::Array<HSQOBJECT> args);
virtual ~Thread() override final;
virtual bool isGlobal() override final { return _global; }
virtual HSQUIRRELVM getThread() override final { return _threadObj._unVal.pThread; }
bool call();
virtual bool update(float elapsed) override final;
virtual void stop() override final;
public:
bool _global = false;
HSQOBJECT _threadObj, _envObj, _closureObj;
Common::Array<HSQOBJECT> _args;
};
enum CutsceneState {
csStart,
csCheckEnd,
csOverride,
csCheckOverride,
csEnd,
csQuit
};
class Object;
class Cutscene final : public ThreadBase {
public:
Cutscene(const Common::String &name, int parentThreadId, HSQOBJECT threadObj, HSQOBJECT closure, HSQOBJECT closureOverride, HSQOBJECT envObj);
~Cutscene() override final;
void start();
bool isGlobal() override final { return false; }
HSQUIRRELVM getThread() override final;
bool update(float elapsed) override final;
void stop() override final;
bool hasOverride() const;
void cutsceneOverride();
bool isStopped();
void setInputState(InputStateFlag state) { _inputState = state; }
void setShowCursor(bool state) { _showCursor = state; }
private:
void checkEndCutscene();
void checkEndCutsceneOverride();
void doCutsceneOverride();
private:
int _parentThreadId = 0;
HSQOBJECT _threadObj, _closure, _closureOverride, _envObj;
CutsceneState _state;
bool _showCursor = false;
InputStateFlag _inputState = (InputStateFlag)0;
Common::SharedPtr<Object> _actor;
};
} // namespace Twp
#endif