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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 2
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/events.h"
#include "common/singleton.h"
#include "graphics/cursorman.h"
#include "common/system.h"
#include "tsage/events.h"
#include "tsage/core.h"
#include "tsage/staticres.h"
#include "tsage/tsage.h"
#include "tsage/globals.h"
namespace tSage {
EventsClass::EventsClass() {
_currentCursor = CURSOR_NONE;
_frameNumber = 0;
_priorFrameTime = 0;
_prevDelayFrame = 0;
_saver->addListener(this);
}
bool EventsClass::pollEvent() {
uint32 milli = g_system->getMillis();
if ((milli - _priorFrameTime) >= GAME_FRAME_TIME) {
_priorFrameTime = milli;
++_frameNumber;
g_system->updateScreen();
}
if (!g_system->getEventManager()->pollEvent(_event)) return false;
// Handle keypress
switch (_event.type) {
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
break;
case Common::EVENT_MOUSEMOVE:
case Common::EVENT_LBUTTONDOWN:
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONDOWN:
case Common::EVENT_RBUTTONUP:
// Keep a copy of the current mouse position
_mousePos = _event.mouse;
break;
default:
break;
}
return true;
}
void EventsClass::waitForPress(int eventMask) {
Event evt;
while (!_vm->getEventManager()->shouldQuit() && !getEvent(evt, eventMask))
g_system->delayMillis(10);
}
/**
* Standard event retrieval, which only returns keyboard and mouse clicks
*/
bool EventsClass::getEvent(Event &evt, int eventMask) {
while (pollEvent() && !_vm->getEventManager()->shouldQuit()) {
evt.handled = false;
evt.eventType = EVENT_NONE;
evt.mousePos = _event.mouse;
evt.kbd = _event.kbd;
switch (_event.type) {
case Common::EVENT_MOUSEMOVE:
evt.eventType = EVENT_MOUSE_MOVE;
break;
case Common::EVENT_LBUTTONDOWN:
evt.eventType = EVENT_BUTTON_DOWN;
evt.btnState = BTNSHIFT_LEFT;
break;
case Common::EVENT_RBUTTONDOWN:
evt.eventType = EVENT_BUTTON_DOWN;
evt.btnState = BTNSHIFT_RIGHT;
break;
case Common::EVENT_MBUTTONDOWN:
evt.eventType = EVENT_BUTTON_DOWN;
evt.btnState = BTNSHIFT_MIDDLE;
break;
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONUP:
case Common::EVENT_MBUTTONUP:
evt.eventType = EVENT_BUTTON_UP;
evt.btnState = 0;
break;
case Common::EVENT_KEYDOWN:
evt.eventType = EVENT_KEYPRESS;
evt.kbd = _event.kbd;
break;
default:
break;
}
if (evt.eventType & eventMask)
return true;
}
return false;
}
/**
* Sets the specified cursor
*
* @cursorType Specified cursor number
*/
void EventsClass::setCursor(CursorType cursorType) {
_globals->clearFlag(122);
if ((_currentCursor == cursorType) && CursorMan.isVisible())
return;
if (cursorType == CURSOR_NONE) {
if (CursorMan.isVisible())
CursorMan.showMouse(false);
return;
}
CursorMan.showMouse(true);
const byte *cursor;
bool delFlag = true;
uint size;
switch (cursorType) {
case CURSOR_CROSSHAIRS:
// Crosshairs cursor
cursor = _vm->_dataManager->getSubResource(4, 1, 6, &size);
_globals->setFlag(122);
break;
case CURSOR_LOOK:
// Look cursor
cursor = _vm->_dataManager->getSubResource(4, 1, 5, &size);
_currentCursor = CURSOR_LOOK;
break;
case CURSOR_USE:
// Use cursor
cursor = _vm->_dataManager->getSubResource(4, 1, 4, &size);
_currentCursor = CURSOR_USE;
break;
case CURSOR_TALK:
// Talk cursor
cursor = _vm->_dataManager->getSubResource(4, 1, 3, &size);
_currentCursor = CURSOR_TALK;
break;
case CURSOR_ARROW:
// Arrow cursor
cursor = CURSOR_ARROW_DATA;
delFlag = false;
break;
case CURSOR_WALK:
default:
// Walk cursor
cursor = CURSOR_WALK_DATA;
_currentCursor = CURSOR_WALK;
delFlag = false;
break;
}
// Decode the cursor
GfxSurface s = surfaceFromRes(cursor);
Graphics::Surface surface = s.lockSurface();
const byte *cursorData = (const byte *)surface.getBasePtr(0, 0);
CursorMan.replaceCursor(cursorData, surface.w, surface.h, s._centroid.x, s._centroid.y, s._transColour);
s.unlockSurface();
if (delFlag)
DEALLOCATE(cursor);
}
void EventsClass::setCursor(Graphics::Surface &cursor, int transColour, const Common::Point &hotspot, CursorType cursorId) {
const byte *cursorData = (const byte *)cursor.getBasePtr(0, 0);
CursorMan.replaceCursor(cursorData, cursor.w, cursor.h, hotspot.x, hotspot.y, transColour);
_currentCursor = cursorId;
}
void EventsClass::setCursorFromFlag() {
setCursor(_globals->getFlag(122) ? CURSOR_CROSSHAIRS : _currentCursor);
}
void EventsClass::showCursor() {
CursorMan.showMouse(true);
}
void EventsClass::hideCursor() {
CursorMan.showMouse(false);
}
/**
* Delays the game for the specified number of frames, if necessary, from the
* previous time the delay method was called
*/
void EventsClass::delay(int numFrames) {
while (_frameNumber < (_prevDelayFrame + numFrames)) {
uint32 delayAmount = CLIP(_priorFrameTime + GAME_FRAME_TIME - g_system->getMillis(),
(uint32)0, (uint32)GAME_FRAME_TIME);
if (delayAmount > 0)
g_system->delayMillis(delayAmount);
++_frameNumber;
_priorFrameTime = g_system->getMillis();
}
g_system->updateScreen();
_prevDelayFrame = _frameNumber;
_priorFrameTime = g_system->getMillis();
}
} // end of namespace tSage
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