scummvm/engines/voyeur/events.cpp
2013-06-20 21:42:48 -04:00

359 lines
9.0 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 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.
*
*/
#include "voyeur/events.h"
#include "voyeur/voyeur.h"
#include "graphics/palette.h"
namespace Voyeur {
IntNode::IntNode() {
_intFunc = NULL;
_curTime = 0;
_timeReset = 0;
_flags = 0;
}
IntNode::IntNode(uint16 curTime, uint16 timeReset, uint16 flags) {
_intFunc = NULL;
_curTime = curTime;
_timeReset = timeReset;
_flags = flags;
}
/*------------------------------------------------------------------------*/
EventsManager::EventsManager(): _intPtr(_gameData),
_fadeIntNode(0, 0, 3), _cycleIntNode(0, 0, 3) {
_cycleStatus = 0;
_mouseButton = 0;
_fadeStatus = 0;
_priorFrameTime = g_system->getMillis();
Common::fill(&_keyState[0], &_keyState[256], false);
}
void EventsManager::resetMouse() {
// No implementation
}
void EventsManager::startMainClockInt() {
_mainIntNode._intFunc = &EventsManager::mainVoyeurIntFunc;
_mainIntNode._flags = 0;
_mainIntNode._curTime = 0;
_mainIntNode._timeReset = _vm->_graphicsManager._palFlag ? 50 : 60;
}
void EventsManager::mainVoyeurIntFunc() {
// TODO
}
void EventsManager::vStopCycle() {
_cycleIntNode._flags = 1;
_cycleStatus &= 2;
}
void EventsManager::sWaitFlip() {
while (_gameData._flipWait && !_vm->shouldQuit()) {
pollEvents();
g_system->delayMillis(10);
}
Common::Array<ViewPortResource *> &viewPorts = _vm->_graphicsManager._viewPortListPtr->_entries;
for (uint idx = 0; idx < viewPorts.size(); ++idx) {
ViewPortResource &viewPort = *viewPorts[idx];
if (_vm->_graphicsManager._saveBack && (viewPort._flags & DISPFLAG_40)) {
Common::Rect *clipPtr = _vm->_graphicsManager._clipPtr;
_vm->_graphicsManager._clipPtr = &viewPort._clipRect;
if (viewPort._restoreFn)
(_vm->_graphicsManager.*viewPort._restoreFn)(&viewPort);
_vm->_graphicsManager._clipPtr = clipPtr;
viewPort._rectListCount[viewPort._pageIndex] = 0;
viewPort._rectListPtr[viewPort._pageIndex]->clear();
viewPort._flags &= ~DISPFLAG_40;
}
}
}
void EventsManager::checkForNextFrameCounter() {
// Check for next game frame
uint32 milli = g_system->getMillis();
if ((milli - _priorFrameTime) >= GAME_FRAME_TIME) {
++_gameCounter;
_priorFrameTime = milli;
// Run the timer-based updates
voyeurTimer();
// Display the frame
g_system->copyRectToScreen((byte *)_vm->_graphicsManager._screenSurface.pixels,
SCREEN_WIDTH, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
g_system->updateScreen();
// Signal the ScummVM debugger
_vm->_debugger.onFrame();
}
}
void EventsManager::voyeurTimer() {
_gameData.field22 += _gameData.field24;
_gameData.field1A += _gameData.field1E;
// _gameData.field1C += _gameData._timerFn; *** WHY INC field by a function pointer?!
_gameData.field16 = 0;
_gameData.field3D = 1;
if (--_gameData.field26 <= 0) {
if (_gameData._flipWait) {
_gameData.field38 = 1;
_gameData._flipWait = false;
_gameData.field3B = 0;
}
_gameData.field26 >>= 8;
}
videoTimer();
// Iterate through the list of registered nodes
Common::List<IntNode *>::iterator i;
for (i = _intNodes.begin(); i != _intNodes.end(); ++i) {
IntNode &node = **i;
if (node._flags & 1)
continue;
if (!(node._flags & 2)) {
if (--node._curTime != 0)
continue;
node._curTime = node._timeReset;
}
(this->*node._intFunc)();
}
}
void EventsManager::videoTimer() {
if (_gameData._hasPalette) {
_gameData._hasPalette = false;
g_system->getPaletteManager()->setPalette(_gameData._palette,
_gameData._palStartIndex,
_gameData._palEndIndex - _gameData._palStartIndex + 1);
}
}
void EventsManager::delay(int cycles) {
uint32 totalMilli = cycles * 1000 / GAME_FRAME_RATE;
uint32 delayEnd = g_system->getMillis() + totalMilli;
while (!_vm->shouldQuit() && g_system->getMillis() < delayEnd) {
g_system->delayMillis(10);
pollEvents();
}
}
void EventsManager::pollEvents() {
checkForNextFrameCounter();
Common::Event event;
while (g_system->getEventManager()->pollEvent(event)) {
// Handle keypress
switch (event.type) {
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
return;
case Common::EVENT_KEYDOWN:
_keyState[(byte)toupper(event.kbd.ascii)] = true;
return;
case Common::EVENT_KEYUP:
_keyState[(byte)toupper(event.kbd.ascii)] = false;
return;
case Common::EVENT_LBUTTONDOWN:
_mouseButton = 1;
_vm->_voy._incriminate = true;
return;
case Common::EVENT_RBUTTONDOWN:
_mouseButton = 2;
return;
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONUP:
_vm->_voy._incriminate = false;
_mouseButton = 0;
return;
case Common::EVENT_MOUSEMOVE:
_mousePos = event.mouse;
break;
default:
break;
}
}
}
void EventsManager::startFade(CMapResource *cMap) {
_fadeIntNode._flags |= 1;
if (_cycleStatus & 1)
_cycleIntNode._flags |= 1;
_fadeFirstCol = cMap->_start;
_fadeLastCol = cMap->_end;
_fadeCount = cMap->_steps + 1;
if (cMap->_steps > 0) {
_fadeStatus = cMap->_fadeStatus | 1;
byte *vgaP = &_vm->_graphicsManager._VGAColors[_fadeFirstCol * 3];
int mapIndex = 0;
for (int idx = _fadeFirstCol; idx <= _fadeLastCol; ++idx, vgaP += 3) {
ViewPortPalEntry &palEntry = _vm->_graphicsManager._viewPortListPtr->_palette[idx];
palEntry._rEntry = vgaP[0] << 8;
int rDiff = (cMap->_entries[mapIndex * 3] << 8) - palEntry._rEntry;
palEntry._rChange = rDiff / cMap->_steps;
palEntry._gEntry = vgaP[1] << 8;
int gDiff = (cMap->_entries[mapIndex * 3 + 1] << 8) - palEntry._gEntry;
palEntry._gChange = gDiff / cMap->_steps;
palEntry._bEntry = vgaP[2] << 8;
int bDiff = (cMap->_entries[mapIndex * 3 + 2] << 8) - palEntry._bEntry;
palEntry._bChange = bDiff / cMap->_steps;
palEntry._palIndex = idx;
if (!(cMap->_fadeStatus & 1))
++mapIndex;
}
if (cMap->_fadeStatus & 2)
_intPtr.field3B = 1;
_fadeIntNode._flags &= ~1;
} else {
byte *vgaP = &_vm->_graphicsManager._VGAColors[_fadeFirstCol * 3];
int mapIndex = 0;
for (int idx = _fadeFirstCol; idx <= _fadeLastCol; ++idx, vgaP += 3) {
Common::copy(&cMap->_entries[mapIndex], &cMap->_entries[mapIndex + 3], vgaP);
if (!(cMap->_fadeStatus & 1))
mapIndex += 3;
}
if (_intPtr._palStartIndex > _fadeFirstCol)
_intPtr._palStartIndex = _fadeFirstCol;
if (_intPtr._palEndIndex < _fadeLastCol)
_intPtr._palEndIndex = _fadeLastCol;
_intPtr._hasPalette = true;
if (!(cMap->_fadeStatus & 2))
_intPtr.field38 = 1;
}
if (_cycleStatus & 1)
_cycleIntNode._flags &= ~1;
}
void EventsManager::addIntNode(IntNode *node) {
_intNodes.push_back(node);
}
void EventsManager::addFadeInt() {
IntNode &node = _fade2IntNode;
node._intFunc = &EventsManager::fadeIntFunc;
node._flags = 0;
node._curTime = 0;
node._timeReset = 1;
addIntNode(&node);
}
void EventsManager::vDoFadeInt() {
if (_intPtr.field3B & 1)
return;
if (--_fadeCount == 0) {
_fadeIntNode._flags |= 1;
_fadeStatus &= ~1;
}
for (int i = _fadeFirstCol; i <= _fadeLastCol; ++i) {
ViewPortPalEntry &palEntry = _vm->_graphicsManager._viewPortListPtr->_palette[i];
byte *vgaP = &_vm->_graphicsManager._VGAColors[palEntry._palIndex * 3];
palEntry._rEntry += palEntry._rChange;
palEntry._gEntry += palEntry._gChange;
palEntry._bEntry += palEntry._bChange;
vgaP[0] = palEntry._rEntry >> 8;
vgaP[1] = palEntry._gEntry >> 8;
vgaP[2] = palEntry._bEntry >> 8;
}
if (_intPtr._palStartIndex > _fadeFirstCol)
_intPtr._palStartIndex = _fadeFirstCol;
if (_intPtr._palEndIndex < _fadeLastCol)
_intPtr._palEndIndex = _fadeLastCol;
_intPtr._hasPalette = true;
_intPtr.field38 = 1;
}
void EventsManager::vDoCycleInt() {
// TODO: more
}
void EventsManager::fadeIntFunc() {
// TODO: more
}
void EventsManager::vInitColor() {
_fadeIntNode._intFunc = &EventsManager::vDoFadeInt;
_cycleIntNode._intFunc = &EventsManager::vDoCycleInt;
addIntNode(&_fadeIntNode);
addIntNode(&_cycleIntNode);
}
void EventsManager::setCursorTo(int idx, int mode) {
switch (mode) {
case 0:
_vm->_graphicsManager.setColor(idx, 90, 90, 232);
break;
case 1:
_vm->_graphicsManager.setColor(idx, 232, 90, 90);
break;
case 2:
_vm->_graphicsManager.setColor(idx, 90, 232, 90);
break;
case 3:
_vm->_graphicsManager.setColor(idx, 90, 232, 232);
break;
default:
break;
}
}
} // End of namespace Voyeur