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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/>.
*
*/
#ifndef AGS_EVENTS_H
#define AGS_EVENTS_H
#include "shared/ac/keycode.h"
#include "common/array.h"
#include "common/queue.h"
#include "common/events.h"
namespace AGS {
class EventsManager {
private:
Common::Queue<Common::Event> _pendingEvents;
Common::Queue<Common::Event> _keyEvents;
Common::Array<bool> _keys;
Common::Point _mousePos;
int16 _joystickAxis[32];
bool _joystickButton[32];
byte _keyModifierFlags = 0;
bool isModifierKey(const Common::KeyCode &keycode) const;
bool isExtendedKey(const Common::KeyCode &keycode) const;
void updateKeys(const Common::Event &event, bool isDown);
public:
/**
* Converts ags key to ScummVM scancode
*/
static bool ags_key_to_scancode(AGS3::eAGSKeyCode key, Common::KeyCode(&kc)[3]);
/*
* Converts a ScummVM event to the ags keycode
*/
static AGS3::eAGSKeyCode scummvm_key_to_ags_key(const Common::Event &event, int &ags_mod, bool old_keyhandle);
public:
EventsManager();
~EventsManager();
/**
* Poll any pending events
*/
void pollEvents();
/**
* Returns true if any unprocessed keyboard events are pending
*/
bool keyEventPending() const {
return !_keyEvents.empty();
}
/**
* Returns the next pending unprocessed keyboard event
*/
Common::Event getPendingKeyEvent() {
return _keyEvents.pop();
}
/**
* Returns the bitset of currently pressed modifier keys
*/
uint getModifierFlags() const {
return _keyModifierFlags;
}
/**
* Pushes a keydown event into the keypresses queue,
* without updating the key down flag array
*/
void pushKeyboardEvent(const Common::Event &evt) {
_keyEvents.push(evt);
}
/**
* Returns the next event, if any
*/
Common::Event readEvent();
/**
* Sets the mouse position
*/
void warpMouse(const Common::Point &newPos);
/**
* Returns true if a given key is pressed
*/
bool isKeyPressed(AGS3::eAGSKeyCode key, bool poll = true);
void clearEvents() {
_pendingEvents.clear();
_keyEvents.clear();
}
/**
* Get the current mouse position
*/
Common::Point getMousePos() const {
return _mousePos;
}
/**
* Gets a joystick axis position
*/
int16 getJoystickAxis(byte axis) const {
assert(axis < 32);
return _joystickAxis[axis];
}
/**
* Gets whether a given joystick button is down
*/
bool getJoystickButton(byte button) const {
assert(button < 32);
return _joystickButton[button];
}
/**
* Gets whether a given joystick button is down once
*/
bool getJoystickButtonOnce(byte button) {
assert(button < 32);
bool result = _joystickButton[button];
_joystickButton[button] = false;
return result;
}
};
extern EventsManager *g_events;
} // namespace AGS
#endif
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