mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-23 10:19:27 +00:00
9da52cb282
svn-id: r41740
241 lines
5.9 KiB
C++
241 lines
5.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "kyra/kyra_lok.h"
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#include "kyra/screen_lok.h"
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namespace Kyra {
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Screen_LoK::Screen_LoK(KyraEngine_LoK *vm, OSystem *system)
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: Screen(vm, system) {
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_vm = vm;
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}
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Screen_LoK::~Screen_LoK() {
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for (int i = 0; i < ARRAYSIZE(_saveLoadPage); ++i) {
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delete[] _saveLoadPage[i];
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_saveLoadPage[i] = 0;
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}
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for (int i = 0; i < ARRAYSIZE(_saveLoadPageOvl); ++i) {
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delete[] _saveLoadPageOvl[i];
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_saveLoadPageOvl[i] = 0;
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}
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delete[] _unkPtr1;
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delete[] _unkPtr2;
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}
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bool Screen_LoK::init() {
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if (!Screen::init())
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return false;
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memset(_bitBlitRects, 0, sizeof(_bitBlitRects));
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_bitBlitNum = 0;
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memset(_saveLoadPage, 0, sizeof(_saveLoadPage));
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memset(_saveLoadPageOvl, 0, sizeof(_saveLoadPageOvl));
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_unkPtr1 = new uint8[getRectSize(1, 144)];
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assert(_unkPtr1);
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memset(_unkPtr1, 0, getRectSize(1, 144));
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_unkPtr2 = new uint8[getRectSize(1, 144)];
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assert(_unkPtr2);
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memset(_unkPtr2, 0, getRectSize(1, 144));
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return true;
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}
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void Screen_LoK::setScreenDim(int dim) {
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assert(dim < _screenDimTableCount);
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_curDim = &_screenDimTable[dim];
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}
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const ScreenDim *Screen_LoK::getScreenDim(int dim) {
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assert(dim < _screenDimTableCount);
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return &_screenDimTable[dim];
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}
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void Screen_LoK::fadeSpecialPalette(int palIndex, int startIndex, int size, int fadeTime) {
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assert(_vm->palTable1()[palIndex]);
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assert(getPalette(0));
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uint8 tempPal[768];
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memcpy(tempPal, getPalette(0), 768);
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memcpy(&tempPal[startIndex*3], _vm->palTable1()[palIndex], size*3);
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fadePalette(tempPal, fadeTime*18);
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memcpy(&getPalette(0)[startIndex*3], &tempPal[startIndex*3], size*3);
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setScreenPalette(getPalette(0));
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_system->updateScreen();
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}
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void Screen_LoK::addBitBlitRect(int x, int y, int w, int h) {
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if (_bitBlitNum >= kNumBitBlitRects)
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error("too many bit blit rects");
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_bitBlitRects[_bitBlitNum].left = x;
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_bitBlitRects[_bitBlitNum].top = y;
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_bitBlitRects[_bitBlitNum].right = x + w;
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_bitBlitRects[_bitBlitNum].bottom = y + h;
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++_bitBlitNum;
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}
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void Screen_LoK::bitBlitRects() {
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Common::Rect *cur = _bitBlitRects;
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while (_bitBlitNum) {
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_bitBlitNum--;
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copyRegion(cur->left, cur->top, cur->left, cur->top, cur->width(), cur->height(), 2, 0);
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++cur;
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}
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}
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void Screen_LoK::savePageToDisk(const char *file, int page) {
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if (!_saveLoadPage[page/2]) {
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_saveLoadPage[page/2] = new uint8[SCREEN_W * SCREEN_H];
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assert(_saveLoadPage[page/2]);
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}
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memcpy(_saveLoadPage[page/2], getPagePtr(page), SCREEN_W * SCREEN_H);
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if (_useOverlays) {
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if (!_saveLoadPageOvl[page/2]) {
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_saveLoadPageOvl[page/2] = new uint8[SCREEN_OVL_SJIS_SIZE];
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assert(_saveLoadPageOvl[page/2]);
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}
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uint8 *srcPage = getOverlayPtr(page);
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if (!srcPage) {
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warning("trying to save unsupported overlay page %d", page);
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return;
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}
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memcpy(_saveLoadPageOvl[page/2], srcPage, SCREEN_OVL_SJIS_SIZE);
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}
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}
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void Screen_LoK::loadPageFromDisk(const char *file, int page) {
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if (!_saveLoadPage[page/2]) {
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warning("trying to restore page %d, but no backup found", page);
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return;
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}
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copyBlockToPage(page, 0, 0, SCREEN_W, SCREEN_H, _saveLoadPage[page/2]);
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delete[] _saveLoadPage[page/2];
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_saveLoadPage[page/2] = 0;
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if (_saveLoadPageOvl[page/2]) {
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uint8 *dstPage = getOverlayPtr(page);
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if (!dstPage) {
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warning("trying to restore unsupported overlay page %d", page);
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return;
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}
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memcpy(dstPage, _saveLoadPageOvl[page/2], SCREEN_OVL_SJIS_SIZE);
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delete[] _saveLoadPageOvl[page/2];
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_saveLoadPageOvl[page/2] = 0;
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}
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}
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void Screen_LoK::queryPageFromDisk(const char *file, int page, uint8 *buffer) {
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if (!_saveLoadPage[page/2]) {
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warning("trying to query page %d, but no backup found", page);
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return;
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}
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memcpy(buffer, _saveLoadPage[page/2], SCREEN_W*SCREEN_H);
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}
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void Screen_LoK::deletePageFromDisk(int page) {
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delete[] _saveLoadPage[page/2];
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_saveLoadPage[page/2] = 0;
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if (_saveLoadPageOvl[page/2]) {
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delete[] _saveLoadPageOvl[page/2];
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_saveLoadPageOvl[page/2] = 0;
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}
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}
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void Screen_LoK::copyBackgroundBlock(int x, int page, int flag) {
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if (x < 1)
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return;
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int height = 128;
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if (flag)
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height += 8;
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if (!(x & 1))
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++x;
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if (x == 19)
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x = 17;
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uint8 *ptr1 = _unkPtr1;
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uint8 *ptr2 = _unkPtr2;
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int oldVideoPage = _curPage;
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_curPage = page;
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int curX = x;
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hideMouse();
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copyRegionToBuffer(_curPage, 8, 8, 8, height, ptr2);
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for (int i = 0; i < 19; ++i) {
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int tempX = curX + 1;
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copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr1);
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copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr2);
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int newXPos = curX + x;
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if (newXPos > 37)
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newXPos = newXPos % 38;
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tempX = newXPos + 1;
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copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr2);
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copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr1);
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curX += x*2;
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if (curX > 37) {
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curX = curX % 38;
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}
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}
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showMouse();
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_curPage = oldVideoPage;
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}
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void Screen_LoK::copyBackgroundBlock2(int x) {
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copyBackgroundBlock(x, 4, 1);
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}
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void Screen_LoK::setTextColorMap(const uint8 *cmap) {
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setTextColor(cmap, 0, 11);
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}
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int Screen_LoK::getRectSize(int x, int y) {
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if (x < 1)
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x = 1;
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else if (x > 40)
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x = 40;
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if (y < 1)
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y = 1;
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else if (y > 200)
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y = 200;
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return ((x*y) << 3);
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}
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} // end of namespace Kyra
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