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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.
*
*/
#if defined(ENABLE_EOB) || defined(ENABLE_LOL)
#include "kyra/screen_rpg.h"
#include "kyra/kyra_v1.h"
#include "common/endian.h"
namespace Kyra {
Screen_Rpg::Screen_Rpg(KyraEngine_v1 *vm, OSystem *system, const ScreenDim *dimTable, int dimTableSize) : Screen(vm, system), _screenDimTable(dimTable), _screenDimTableCount(dimTableSize) {
_customDimTable = new ScreenDim*[_screenDimTableCount];
memset(_customDimTable, 0, sizeof(ScreenDim *)* _screenDimTableCount);
_curDimIndex = 0;
}
Screen_Rpg::~Screen_Rpg() {
for (int i = 0; i < _screenDimTableCount; i++)
delete _customDimTable[i];
delete[] _customDimTable;
}
void Screen_Rpg::setScreenDim(int dim) {
assert(dim < _screenDimTableCount);
_curDim = _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
_curDimIndex = dim;
}
const ScreenDim *Screen_Rpg::getScreenDim(int dim) {
assert(dim < _screenDimTableCount);
return _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
}
void Screen_Rpg::modifyScreenDim(int dim, int x, int y, int w, int h) {
if (!_customDimTable[dim])
_customDimTable[dim] = new ScreenDim;
memcpy(_customDimTable[dim], &_screenDimTable[dim], sizeof(ScreenDim));
_customDimTable[dim]->sx = x;
_customDimTable[dim]->sy = y;
_customDimTable[dim]->w = w;
_customDimTable[dim]->h = h;
if (dim == _curDimIndex || _vm->game() == GI_LOL)
setScreenDim(dim);
}
void Screen_Rpg::crossFadeRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage) {
if (srcPage > 13 || dstPage > 13)
error("Screen_Rpg::crossFadeRegion(): attempting to use temp page as source or dest page.");
hideMouse();
uint16 *wB = (uint16*)_pagePtrs[14];
uint8 *hB = _pagePtrs[14] + 640;
for (int i = 0; i < w; i++)
wB[i] = i;
for (int i = 0; i < h; i++)
hB[i] = i;
for (int i = 0; i < w; i++)
SWAP(wB[_vm->_rnd.getRandomNumberRng(0, w - 1)], wB[i]);
for (int i = 0; i < h; i++)
SWAP(hB[_vm->_rnd.getRandomNumberRng(0, h - 1)], hB[i]);
uint8 *s = _pagePtrs[srcPage];
uint8 *d = _pagePtrs[dstPage];
for (int i = 0; i < h; i++) {
int iH = i;
uint32 end = _system->getMillis() + 3;
for (int ii = 0; ii < w; ii++) {
int sX = x1 + wB[ii];
int sY = y1 + hB[iH];
int dX = x2 + wB[ii];
int dY = y2 + hB[iH];
if (++iH >= h)
iH = 0;
d[dY * 320 + dX] = s[sY * 320 + sX];
addDirtyRect(dX, dY, 1, 1);
}
// This tries to speed things up, to get similiar speeds as in DOSBox etc.
// We can't write single pixels directly into the video memory like the original did.
// We also (unlike the original) want to aim at similiar speeds for all platforms.
if (!(i % 10))
updateScreen();
uint32 cur = _system->getMillis();
if (end > cur)
_system->delayMillis(end - cur);
}
updateScreen();
showMouse();
}
} // End of namespace Kyra
#endif // ENABLE_EOB || ENABLE_LOL
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