From 4b5f3266cffa778b52f51a5a8cc39b16bac89584 Mon Sep 17 00:00:00 2001 From: Johannes Schickel Date: Fri, 2 May 2008 14:46:30 +0000 Subject: Started to refactor kyra2/kyra3 code to a common base. (regressions possible, compiling currently broken) svn-id: r31817 --- engines/kyra/screen_v2.cpp | 279 --------------------------------------------- 1 file changed, 279 deletions(-) delete mode 100644 engines/kyra/screen_v2.cpp (limited to 'engines/kyra/screen_v2.cpp') diff --git a/engines/kyra/screen_v2.cpp b/engines/kyra/screen_v2.cpp deleted file mode 100644 index f3eb840ca2..0000000000 --- a/engines/kyra/screen_v2.cpp +++ /dev/null @@ -1,279 +0,0 @@ -/* 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 "common/endian.h" - -#include "kyra/kyra_v2.h" -#include "kyra/screen_v2.h" - -namespace Kyra { - -Screen_v2::Screen_v2(KyraEngine_v2 *vm, OSystem *system) - : ScreenEx(vm, system) { - _vm = vm; - _wsaFrameAnimBuffer = new uint8[1024]; -} - -Screen_v2::~Screen_v2() { - delete [] _wsaFrameAnimBuffer; -} - -void Screen_v2::setScreenDim(int dim) { - debugC(9, kDebugLevelScreen, "Screen_v2::setScreenDim(%d)", dim); - assert(dim < _screenDimTableCount); - _curDim = &_screenDimTable[dim]; -} - -const ScreenDim *Screen_v2::getScreenDim(int dim) { - debugC(9, kDebugLevelScreen, "Screen_v2::getScreenDim(%d)", dim); - assert(dim < _screenDimTableCount); - return &_screenDimTable[dim]; -} - -void Screen_v2::generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool flag) { - uint8 tmpPal[768]; - - for (int i = 0; i != lastColor; i++) { - if (flag) { - int v = ((((srcPal[3 * i] & 0x3f) + (srcPal[3 * i + 1] & 0x3f) - + (srcPal[3 * i + 2] & 0x3f)) / 3) * factor) / 0x40; - tmpPal[3 * i] = tmpPal[3 * i + 1] = tmpPal[3 * i + 2] = v & 0xff; - } else { - int v = (((srcPal[3 * i] & 0x3f) * factor) / 0x40) + addR; - tmpPal[3 * i] = (v > 0x3f) ? 0x3f : v & 0xff; - v = (((srcPal[3 * i + 1] & 0x3f) * factor) / 0x40) + addG; - tmpPal[3 * i + 1] = (v > 0x3f) ? 0x3f : v & 0xff; - v = (((srcPal[3 * i + 2] & 0x3f) * factor) / 0x40) + addB; - tmpPal[3 * i + 2] = (v > 0x3f) ? 0x3f : v & 0xff; - } - } - - for (int i = 0; i < lastColor; i++) - grayOverlay[i] = findLeastDifferentColor(tmpPal + 3 * i, srcPal, lastColor); -} - -void Screen_v2::wsaFrameAnimationStep(int x1, int y1, int x2, int y2, - int w1, int h1, int w2, int h2, int srcPage, int dstPage, int dim) { - - if (!(w1 || h1 || w2 || h2)) - return; - - ScreenDim cdm = _screenDimTable[dim]; - cdm.sx <<= 3; - cdm.w <<= 3; - - int na = 0, nb = 0, nc = w2; - - if (!calcBounds(cdm.w, cdm.h, x2, y2, w2, h2, na, nb, nc)) - return; - - const uint8 *src = getPagePtr(srcPage) + y1 * 320; - uint8 *dst = getPagePtr(dstPage) + (y2 + cdm.sy) * 320; - - int u = -1; - - do { - int t = (nb * h1) / h2; - if (t != u) { - u = t; - const uint8 *s = src + (x1 + t) * 320; - uint8 *dt = (uint8*) _wsaFrameAnimBuffer; - - t = w2 - w1; - if (!t) { - memcpy(dt, s, w2); - } else if (t > 0) { - if (w1 == 1) { - memset(dt, *s, w2); - } else { - t = ((((((w2 - w1 + 1) & 0xffff) << 8) / w1) + 0x100) & 0xffff) << 8; - int bp = 0; - for (int i = 0; i < w1; i++) { - int cnt = (t >> 16); - bp += (t & 0xffff); - if (bp > 0xffff) { - bp -= 0xffff; - cnt++; - } - memset(dt, *s++, cnt); - dt += cnt; - } - } - } else { - if (w2 == 1) { - *dt = *s; - } else { - t = (((((w1 - w2) & 0xffff) << 8) / w2) & 0xffff) << 8; - int bp = 0; - for (int i = 0; i < w2; i++) { - *dt++ = *s++; - bp += (t & 0xffff); - if (bp > 0xffff) { - bp -= 0xffff; - s++; - } - s += (t >> 16); - } - } - } - } - memcpy(dst + x2 + cdm.sx, _wsaFrameAnimBuffer + na, w2); - dst += 320; - } while (++nb < h2); -} - -void Screen_v2::cmpFadeFrameStep(int srcPage, int srcW, int srcH, int srcX, int srcY, int dstPage, int dstW, - int dstH, int dstX, int dstY, int cmpW, int cmpH, int cmpPage) { - - if (!(cmpW || cmpH )) - return; - - int r1, r2, r3, r4, r5, r6; - - int X1 = srcX; - int Y1 = srcY; - int W1 = cmpW; - int H1 = cmpH; - - if (!calcBounds(srcW, srcH, X1, Y1, W1, H1, r1, r2, r3)) - return; - - int X2 = dstX; - int Y2 = dstY; - int W2 = W1; - int H2 = H1; - - if (!calcBounds(dstW, dstH, X2, Y2, W2, H2, r4, r5, r6)) - return; - - const uint8 *src = getPagePtr(srcPage) + srcW * (Y1 + r5); - uint8 *dst = getPagePtr(dstPage) + dstW * (Y2 + r2); - const uint8 *cmp = getPagePtr(cmpPage); - - while (H2--) { - const uint8 *s = src + r4 + X1; - uint8 *d = dst + r1 + X2; - - for (int i = 0; i < W2; i++) { - int ix = (*s++ << 8) + *d; - *d++ = cmp[ix]; - } - - src += W1; - dst += W2; - } -} - -void Screen_v2::copyPageMemory(int srcPage, int srcPos, int dstPage, int dstPos, int numBytes) { - const uint8 *src = getPagePtr(srcPage) + srcPos; - uint8 *dst = getPagePtr(dstPage) + dstPos; - memcpy(dst, src, numBytes); -} - - -void Screen_v2::copyRegionEx(int srcPage, int srcW, int srcH, int dstPage, int dstX,int dstY, int dstW, int dstH, const ScreenDim *dim, bool flag) { - int x0 = dim->sx << 3; - int y0 = dim->sy; - int w0 = dim->w << 3; - int h0 = dim->h; - - int x1 = dstX; - int y1 = dstY; - int w1 = dstW; - int h1 = dstH; - - int x2, y2, w2; - - calcBounds(w0, h0, x1, y1, w1, h1, x2, y2, w2); - - const uint8 *src = getPagePtr(srcPage) + (320 * srcH) + srcW; - uint8 *dst = getPagePtr(dstPage) + 320 * (y0 + y1); - - for (int y = 0; y < h1; y++) { - const uint8 *s = src + x2; - uint8 *d = dst + x0 + x1; - - if (flag) - d += (h1 >> 1); - - for (int x = 0; x < w1; x++) { - if (*s) - *d = *s; - s++; - d++; - } - dst += 320; - src += 320; - } -} - -bool Screen_v2::calcBounds(int w0, int h0, int &x1, int &y1, int &w1, int &h1, int &x2, int &y2, int &w2) { - x2 = 0; - y2 = 0; - w2 = w1; - - int t = x1 + w1; - if (t < 1) { - w1 = h1 = -1; - } else { - if (t <= x1) { - x2 = w1 - t; - w1 = t; - x1 = 0; - } - t = w0 - x1; - if (t < 1) { - w1 = h1 = -1; - } else { - if (t <= w1) { - w1 = t; - } - w2 -= w1; - t = h1 + y1; - if (t < 1) { - w1 = h1 = -1; - } else { - if (t <= y1) { - y2 = h1 - t; - h1 = t; - y1 = 0; - } - t = h0 - y1; - if (t < 1) { - w1 = h1 = -1; - } else { - if (t <= h1) { - h1 = t; - } - } - } - } - } - - return (w1 == -1) ? false : true; -} - -} // end of namespace Kyra - -- cgit v1.2.3