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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.
*
*/
/*
* This code is based on Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#include "lab/lab.h"
#include "lab/image.h"
#include "lab/interface.h"
namespace Lab {
static byte MouseData[] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
1, 7, 1, 0, 0, 0, 0, 0, 0, 0,
1, 7, 7, 1, 0, 0, 0, 0, 0, 0,
1, 7, 7, 7, 1, 0, 0, 0, 0, 0,
1, 7, 7, 7, 7, 1, 0, 0, 0, 0,
1, 7, 7, 7, 7, 7, 1, 0, 0, 0,
1, 7, 7, 7, 7, 7, 7, 1, 0, 0,
1, 7, 7, 7, 7, 7, 7, 7, 1, 0,
1, 7, 7, 7, 7, 7, 1, 1, 1, 1,
1, 7, 7, 1, 7, 7, 1, 0, 0, 0,
1, 7, 1, 0, 1, 7, 7, 1, 0, 0,
1, 1, 0, 0, 1, 7, 7, 1, 0, 0,
0, 0, 0, 0, 0, 1, 7, 7, 1, 0,
0, 0, 0, 0, 0, 1, 7, 7, 1, 0,
0, 0, 0, 0, 0, 0, 1, 1, 0, 0};
#define MOUSE_WIDTH 10
#define MOUSE_HEIGHT 15
/*****************************************************************************/
/* Checks whether or not the cords fall within one of the gadgets in a list */
/* of gadgets. */
/*****************************************************************************/
Gadget *EventManager::checkGadgetHit(Gadget *gadgetList, Common::Point pos) {
while (gadgetList != NULL) {
if ((pos.x >= gadgetList->x) && (pos.y >= gadgetList->y) &&
(pos.x <= (gadgetList->x + gadgetList->_image->_width)) &&
(pos.y <= (gadgetList->y + gadgetList->_image->_height)) &&
!(GADGETOFF & gadgetList->GadgetFlags)) {
if (_vm->_isHiRes) {
_hitGadget = gadgetList;
} else {
mouseHide();
gadgetList->_altImage->drawImage(gadgetList->x, gadgetList->y);
mouseShow();
for (uint16 i = 0; i < 3; i++)
_vm->waitTOF();
mouseHide();
gadgetList->_image->drawImage(gadgetList->x, gadgetList->y);
mouseShow();
}
return gadgetList;
} else {
gadgetList = gadgetList->NextGadget;
}
}
return NULL;
}
void EventManager::attachGadgetList(Gadget *gadgetList) {
if (_screenGadgetList != gadgetList)
_lastGadgetHit = nullptr;
_screenGadgetList = gadgetList;
}
EventManager::EventManager(LabEngine *vm) : _vm(vm) {
_leftClick = false;
_rightClick = false;
_mouseHidden = true;
_numHidden = 1;
_lastGadgetHit = nullptr;
_screenGadgetList = nullptr;
_hitGadget = nullptr;
_nextKeyIn = 0;
_nextKeyOut = 0;
_mousePos = Common::Point(0, 0);
_mouseAtEdge = false;
for (int i = 0; i < 64; i++)
_keyBuf[i] = 0;
}
void EventManager::mouseHandler(int flag, Common::Point pos) {
if (_numHidden >= 2)
return;
if (flag & 0x02) { /* Left mouse button click */
Gadget *tmp = NULL;
if (_screenGadgetList)
tmp = checkGadgetHit(_screenGadgetList, _vm->_isHiRes ? pos : Common::Point(pos.x / 2, pos.y));
if (tmp)
_lastGadgetHit = tmp;
else
_leftClick = true;
}
if (flag & 0x08) /* Right mouse button click */
_rightClick = true;
}
void EventManager::updateMouse() {
bool doUpdateDisplay = false;
if (!_mouseHidden)
doUpdateDisplay = true;
if (_hitGadget) {
mouseHide();
_hitGadget->_altImage->drawImage(_hitGadget->x, _hitGadget->y);
mouseShow();
for (uint16 i = 0; i < 3; i++)
_vm->waitTOF();
mouseHide();
_hitGadget->_image->drawImage(_hitGadget->x, _hitGadget->y);
mouseShow();
doUpdateDisplay = true;
_hitGadget = nullptr;
}
if (doUpdateDisplay)
_vm->_graphics->screenUpdate();
}
/*****************************************************************************/
/* Initializes the mouse. */
/*****************************************************************************/
void EventManager::initMouse() {
g_system->setMouseCursor(MouseData, MOUSE_WIDTH, MOUSE_HEIGHT, 0, 0, 0);
g_system->showMouse(false);
setMousePos(Common::Point(0, 0));
}
/*****************************************************************************/
/* Shows the mouse. */
/*****************************************************************************/
void EventManager::mouseShow() {
if (_numHidden)
_numHidden--;
if ((_numHidden == 0) && _mouseHidden) {
processInput();
_mouseHidden = false;
}
g_system->showMouse(true);
}
/*****************************************************************************/
/* Hides the mouse. */
/*****************************************************************************/
void EventManager::mouseHide() {
_numHidden++;
if (_numHidden && !_mouseHidden) {
_mouseHidden = true;
g_system->showMouse(false);
}
}
/*****************************************************************************/
/* Gets the current mouse co-ordinates. NOTE: On IBM version, will scale */
/* from virtual to screen co-ordinates automatically. */
/*****************************************************************************/
Common::Point EventManager::getMousePos() {
if (_vm->_isHiRes)
return _mousePos;
else
return Common::Point(_mousePos.x / 2, _mousePos.y);
}
/*****************************************************************************/
/* Moves the mouse to new co-ordinates. */
/*****************************************************************************/
void EventManager::setMousePos(Common::Point pos) {
if (_vm->_isHiRes)
g_system->warpMouse(pos.x, pos.y);
else
g_system->warpMouse(pos.x * 2, pos.y);
if (!_mouseHidden)
processInput();
}
/*****************************************************************************/
/* Checks whether or not the mouse buttons have been pressed, and the last */
/* co-ordinates of the button press. leftbutton tells whether to check the */
/* left or right button. */
/*****************************************************************************/
bool EventManager::mouseButton(uint16 *x, uint16 *y, bool leftbutton) {
if (leftbutton) {
if (_leftClick) {
*x = (!_vm->_isHiRes) ? (uint16)_mousePos.x / 2 : (uint16)_mousePos.x;
*y = (uint16)_mousePos.y;
_leftClick = false;
return true;
}
} else {
if (_rightClick) {
*x = (!_vm->_isHiRes) ? (uint16)_mousePos.x / 2 : (uint16)_mousePos.x;
*y = (uint16)_mousePos.y;
_rightClick = false;
return true;
}
}
return false;
}
Gadget *EventManager::mouseGadget() {
Gadget *temp = _lastGadgetHit;
_lastGadgetHit = nullptr;
return temp;
}
/*****************************************************************************/
/* Checks whether or not a key has been pressed. */
/*****************************************************************************/
bool EventManager::keyPress(uint16 *keyCode) {
if (haveNextChar()) {
*keyCode = getNextChar();
return true;
}
return false;
}
bool EventManager::haveNextChar() {
processInput();
return _nextKeyIn != _nextKeyOut;
}
void EventManager::processInput(bool can_delay) {
Common::Event event;
if (1 /*!g_IgnoreProcessInput*/) {
int flags = 0;
while (g_system->getEventManager()->pollEvent(event)) {
switch (event.type) {
case Common::EVENT_RBUTTONDOWN:
flags |= 8;
mouseHandler(flags, _mousePos);
break;
case Common::EVENT_LBUTTONDOWN:
flags |= 2;
mouseHandler(flags, _mousePos);
break;
case Common::EVENT_MOUSEMOVE: {
int lastMouseAtEdge = _mouseAtEdge;
_mouseAtEdge = false;
_mousePos.x = event.mouse.x;
if (event.mouse.x <= 0) {
_mousePos.x = 0;
_mouseAtEdge = true;
}
if (_mousePos.x > _vm->_screenWidth - 1) {
_mousePos.x = _vm->_screenWidth;
_mouseAtEdge = true;
}
_mousePos.y = event.mouse.y;
if (event.mouse.y <= 0) {
_mousePos.y = 0;
_mouseAtEdge = true;
}
if (_mousePos.y > _vm->_screenHeight - 1) {
_mousePos.y = _vm->_screenHeight;
_mouseAtEdge = true;
}
if (!lastMouseAtEdge || !_mouseAtEdge)
mouseHandler(1, _mousePos);
}
break;
case Common::EVENT_KEYDOWN:
switch (event.kbd.keycode) {
case Common::KEYCODE_LEFTBRACKET:
_vm->changeVolume(-1);
break;
case Common::KEYCODE_RIGHTBRACKET:
_vm->changeVolume(1);
break;
case Common::KEYCODE_z:
//saveSettings();
break;
default: {
int n = ((((unsigned int)((_nextKeyIn + 1) >> 31) >> 26) + (byte)_nextKeyIn + 1) & 0x3F)
- ((unsigned int)((_nextKeyIn + 1) >> 31) >> 26);
if (n != _nextKeyOut) {
_keyBuf[_nextKeyIn] = event.kbd.keycode;
_nextKeyIn = n;
}
}
}
break;
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
default:
break;
}
g_system->copyRectToScreen(_vm->_displayBuffer, _vm->_screenWidth, 0, 0, _vm->_screenWidth, _vm->_screenHeight);
g_system->updateScreen();
}
}
if (can_delay)
g_system->delayMillis(10);
}
uint16 EventManager::getNextChar() {
uint16 c = 0;
processInput();
if (_nextKeyIn != _nextKeyOut) {
c = _keyBuf[_nextKeyOut];
_nextKeyOut = ((((unsigned int)((_nextKeyOut + 1) >> 31) >> 26) + (byte)_nextKeyOut + 1) & 0x3F)
- ((unsigned int)((_nextKeyOut + 1) >> 31) >> 26);
}
return c;
}
Common::Point EventManager::updateAndGetMousePos() {
processInput();
return _mousePos;
}
} // End of namespace Lab
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