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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 "kyra/kyra_lok.h"
#include "kyra/screen_lok.h"
namespace Kyra {
#define BITBLIT_RECTS 10
Screen_LoK::Screen_LoK(KyraEngine_LoK *vm, OSystem *system)
: Screen(vm, system) {
_vm = vm;
}
Screen_LoK::~Screen_LoK() {
delete[] _bitBlitRects;
for (int i = 0; i < ARRAYSIZE(_saveLoadPage); ++i) {
delete[] _saveLoadPage[i];
_saveLoadPage[i] = 0;
}
for (int i = 0; i < ARRAYSIZE(_saveLoadPageOvl); ++i) {
delete[] _saveLoadPageOvl[i];
_saveLoadPageOvl[i] = 0;
}
delete[] _unkPtr1;
delete[] _unkPtr2;
}
bool Screen_LoK::init() {
if (!Screen::init())
return false;
_bitBlitRects = new Rect[BITBLIT_RECTS];
assert(_bitBlitRects);
memset(_bitBlitRects, 0, sizeof(Rect)*BITBLIT_RECTS);
_bitBlitNum = 0;
memset(_saveLoadPage, 0, sizeof(_saveLoadPage));
memset(_saveLoadPageOvl, 0, sizeof(_saveLoadPageOvl));
_unkPtr1 = new uint8[getRectSize(1, 144)];
assert(_unkPtr1);
memset(_unkPtr1, 0, getRectSize(1, 144));
_unkPtr2 = new uint8[getRectSize(1, 144)];
assert(_unkPtr2);
memset(_unkPtr2, 0, getRectSize(1, 144));
return true;
}
void Screen_LoK::setScreenDim(int dim) {
debugC(9, kDebugLevelScreen, "Screen_LoK::setScreenDim(%d)", dim);
assert(dim < _screenDimTableCount);
_curDim = &_screenDimTable[dim];
}
const ScreenDim *Screen_LoK::getScreenDim(int dim) {
debugC(9, kDebugLevelScreen, "Screen_LoK::getScreenDim(%d)", dim);
assert(dim < _screenDimTableCount);
return &_screenDimTable[dim];
}
void Screen_LoK::fadeSpecialPalette(int palIndex, int startIndex, int size, int fadeTime) {
debugC(9, kDebugLevelScreen, "Screen_LoK::fadeSpecialPalette(%d, %d, %d, %d)", palIndex, startIndex, size, fadeTime);
assert(_vm->palTable1()[palIndex]);
assert(_currentPalette);
uint8 tempPal[768];
memcpy(tempPal, _currentPalette, 768);
memcpy(&tempPal[startIndex*3], _vm->palTable1()[palIndex], size*3);
fadePalette(tempPal, fadeTime*18);
memcpy(&_currentPalette[startIndex*3], &tempPal[startIndex*3], size*3);
setScreenPalette(_currentPalette);
_system->updateScreen();
}
void Screen_LoK::addBitBlitRect(int x, int y, int w, int h) {
debugC(9, kDebugLevelScreen, "Screen_LoK::addBitBlitRects(%d, %d, %d, %d)", x, y, w, h);
if (_bitBlitNum >= BITBLIT_RECTS)
error("too many bit blit rects");
_bitBlitRects[_bitBlitNum].x = x;
_bitBlitRects[_bitBlitNum].y = y;
_bitBlitRects[_bitBlitNum].x2 = w;
_bitBlitRects[_bitBlitNum].y2 = h;
++_bitBlitNum;
}
void Screen_LoK::bitBlitRects() {
debugC(9, kDebugLevelScreen, "Screen_LoK::bitBlitRects()");
Rect *cur = _bitBlitRects;
while (_bitBlitNum) {
_bitBlitNum--;
copyRegion(cur->x, cur->y, cur->x, cur->y, cur->x2, cur->y2, 2, 0);
++cur;
}
}
void Screen_LoK::savePageToDisk(const char *file, int page) {
debugC(9, kDebugLevelScreen, "Screen_LoK::savePageToDisk('%s', %d)", file, page);
if (!_saveLoadPage[page/2]) {
_saveLoadPage[page/2] = new uint8[SCREEN_W * SCREEN_H];
assert(_saveLoadPage[page/2]);
}
memcpy(_saveLoadPage[page/2], getPagePtr(page), SCREEN_W * SCREEN_H);
if (_useOverlays) {
if (!_saveLoadPageOvl[page/2]) {
_saveLoadPageOvl[page/2] = new uint8[SCREEN_OVL_SJIS_SIZE];
assert(_saveLoadPageOvl[page/2]);
}
uint8 *srcPage = getOverlayPtr(page);
if (!srcPage) {
warning("trying to save unsupported overlay page %d", page);
return;
}
memcpy(_saveLoadPageOvl[page/2], srcPage, SCREEN_OVL_SJIS_SIZE);
}
}
void Screen_LoK::loadPageFromDisk(const char *file, int page) {
debugC(9, kDebugLevelScreen, "Screen_LoK::loadPageFromDisk('%s', %d)", file, page);
copyBlockToPage(page, 0, 0, SCREEN_W, SCREEN_H, _saveLoadPage[page/2]);
delete[] _saveLoadPage[page/2];
if (_saveLoadPageOvl[page/2]) {
uint8 *dstPage = getOverlayPtr(page);
if (!dstPage) {
warning("trying to restore unsupported overlay page %d", page);
return;
}
memcpy(dstPage, _saveLoadPageOvl[page/2], SCREEN_OVL_SJIS_SIZE);
delete[] _saveLoadPageOvl[page/2];
_saveLoadPageOvl[page/2] = 0;
} _saveLoadPage[page/2] = 0;
}
void Screen_LoK::deletePageFromDisk(int page) {
debugC(9, kDebugLevelScreen, "Screen_LoK::deletePageFromDisk(%d)", page);
delete[] _saveLoadPage[page/2];
_saveLoadPage[page/2] = 0;
if (_saveLoadPageOvl[page/2]) {
delete[] _saveLoadPageOvl[page/2];
_saveLoadPageOvl[page/2] = 0;
}
}
void Screen_LoK::copyBackgroundBlock(int x, int page, int flag) {
debugC(9, kDebugLevelScreen, "Screen_LoK::copyBackgroundBlock(%d, %d, %d)", x, page, flag);
if (x < 1)
return;
int height = 128;
if (flag)
height += 8;
if (!(x & 1))
++x;
if (x == 19)
x = 17;
uint8 *ptr1 = _unkPtr1;
uint8 *ptr2 = _unkPtr2;
int oldVideoPage = _curPage;
_curPage = page;
int curX = x;
hideMouse();
copyRegionToBuffer(_curPage, 8, 8, 8, height, ptr2);
for (int i = 0; i < 19; ++i) {
int tempX = curX + 1;
copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr1);
copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr2);
int newXPos = curX + x;
if (newXPos > 37)
newXPos = newXPos % 38;
tempX = newXPos + 1;
copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr2);
copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr1);
curX += x*2;
if (curX > 37) {
curX = curX % 38;
}
}
showMouse();
_curPage = oldVideoPage;
}
void Screen_LoK::copyBackgroundBlock2(int x) {
debugC(9, kDebugLevelScreen, "Screen_LoK::copyBackgroundBlock2(%d)", x);
copyBackgroundBlock(x, 4, 1);
}
void Screen_LoK::setTextColorMap(const uint8 *cmap) {
debugC(9, kDebugLevelScreen, "Screen_LoK::setTextColorMap(%p)", (const void *)cmap);
setTextColor(cmap, 0, 11);
}
int Screen_LoK::getRectSize(int x, int y) {
if (x < 1)
x = 1;
else if (x > 40)
x = 40;
if (y < 1)
y = 1;
else if (y > 200)
y = 200;
return ((x*y) << 3);
}
} // end of namespace Kyra
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