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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/>.
*
*/
#include <nds.h>
#include "backends/events/ds/ds-events.h"
#include "backends/platform/ds/osystem_ds.h"
bool DSEventSource::pollEvent(Common::Event &event) {
// Ensure the mixer and timers are updated frequently
g_system->delayMillis(0);
if (_eventQueue.empty()) {
if (!_firstPoll) {
_firstPoll = true;
return false;
}
addEventsToQueue();
if (_eventQueue.empty())
return false;
_firstPoll = false;
}
event = _eventQueue.pop();
if (Common::isMouseEvent(event)) {
g_system->warpMouse(event.mouse.x, event.mouse.y);
}
return true;
}
void DSEventSource::addJoyButtonEvent(u32 keysPressed, u32 keysReleased, u32 ndsKey, uint8 svmButton) {
if (keysPressed & ndsKey || keysReleased & ndsKey) {
Common::Event event;
event.type = (keysPressed & ndsKey) ? Common::EVENT_JOYBUTTON_DOWN : Common::EVENT_JOYBUTTON_UP;
event.joystick.button = svmButton;
_eventQueue.push(event);
}
}
void DSEventSource::addEventsToQueue() {
Common::Event event;
scanKeys();
uint32 held = keysHeld(), keysPressed = keysDown(), keysReleased = keysUp();
// Touch screen events
if (_handleTouch) {
if (held & KEY_TOUCH) {
touchPosition touchPos;
touchRead(&touchPos);
event.mouse = dynamic_cast<OSystem_DS *>(g_system)->transformPoint(touchPos.px, touchPos.py);
if (event.mouse.x != _lastTouch.x || event.mouse.y != _lastTouch.y) {
event.type = Common::EVENT_MOUSEMOVE;
_eventQueue.push(event);
}
if (keysPressed & KEY_TOUCH) {
event.type = Common::EVENT_LBUTTONDOWN;
_eventQueue.push(event);
}
_lastTouch = event.mouse;
} else if (keysReleased & KEY_TOUCH) {
event.mouse = _lastTouch;
event.type = Common::EVENT_LBUTTONUP;
_eventQueue.push(event);
}
}
// Button events
addJoyButtonEvent(keysPressed, keysReleased, KEY_L, Common::JOYSTICK_BUTTON_LEFT_SHOULDER);
addJoyButtonEvent(keysPressed, keysReleased, KEY_R, Common::JOYSTICK_BUTTON_RIGHT_SHOULDER);
addJoyButtonEvent(keysPressed, keysReleased, KEY_A, Common::JOYSTICK_BUTTON_A);
addJoyButtonEvent(keysPressed, keysReleased, KEY_B, Common::JOYSTICK_BUTTON_B);
addJoyButtonEvent(keysPressed, keysReleased, KEY_X, Common::JOYSTICK_BUTTON_X);
addJoyButtonEvent(keysPressed, keysReleased, KEY_Y, Common::JOYSTICK_BUTTON_Y);
addJoyButtonEvent(keysPressed, keysReleased, KEY_UP, Common::JOYSTICK_BUTTON_DPAD_UP);
addJoyButtonEvent(keysPressed, keysReleased, KEY_DOWN, Common::JOYSTICK_BUTTON_DPAD_DOWN);
addJoyButtonEvent(keysPressed, keysReleased, KEY_LEFT, Common::JOYSTICK_BUTTON_DPAD_LEFT);
addJoyButtonEvent(keysPressed, keysReleased, KEY_RIGHT, Common::JOYSTICK_BUTTON_DPAD_RIGHT);
addJoyButtonEvent(keysPressed, keysReleased, KEY_START, Common::JOYSTICK_BUTTON_START);
addJoyButtonEvent(keysPressed, keysReleased, KEY_SELECT, Common::JOYSTICK_BUTTON_BACK);
}
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