diff options
Diffstat (limited to 'engines/kyra/screen_rpg.cpp')
| -rw-r--r-- | engines/kyra/screen_rpg.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/engines/kyra/screen_rpg.cpp b/engines/kyra/screen_rpg.cpp new file mode 100644 index 0000000000..3b29f0adb5 --- /dev/null +++ b/engines/kyra/screen_rpg.cpp @@ -0,0 +1,126 @@ +/* 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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