Initial commit

engines/scumm/base-costume.cpp

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include "scumm/base-costume.h"
+#include "scumm/costume.h"
+
+namespace Scumm {
+
+byte BaseCostumeRenderer::drawCostume(const VirtScreen &vs, int numStrips, const Actor *a, bool drawToBackBuf) {
+	int i;
+	byte result = 0;
+
+	_out = vs;
+	if (drawToBackBuf)
+		_out.setPixels(vs.getBackPixels(0, 0));
+	else
+		_out.setPixels(vs.getPixels(0, 0));
+
+	_actorX += _vm->_virtscr[kMainVirtScreen].xstart & 7;
+	_out.w = _out.pitch / _vm->_bytesPerPixel;
+	// We do not use getBasePtr here because the offset to pixels never used
+	// _vm->_bytesPerPixel, but it seems unclear why.
+	_out.setPixels((byte *)_out.getPixels() - (_vm->_virtscr[kMainVirtScreen].xstart & 7));
+
+	_numStrips = numStrips;
+
+	if (_vm->_game.version <= 1) {
+		_xMove = 0;
+		_yMove = 0;
+	} else if (_vm->_game.features & GF_OLD_BUNDLE) {
+		_xMove = -72;
+		_yMove = -100;
+	} else {
+		_xMove = _yMove = 0;
+	}
+	for (i = 0; i < 16; i++)
+		result |= drawLimb(a, i);
+	return result;
+}
+
+void BaseCostumeRenderer::skipCelLines(ByleRLEData &compData, int num) {
+	num *= _height;
+
+	do {
+		compData.repLen = *_srcPtr++;
+		compData.repColor = compData.repLen >> compData.shr;
+		compData.repLen &= compData.mask;
+
+		if (!compData.repLen)
+			compData.repLen = *_srcPtr++;
+
+		do {
+			if (!--num)
+				return;
+		} while (--compData.repLen);
+	} while (true);
+}
+
+bool ScummEngine::isCostumeInUse(int cost) const {
+	Actor *a;
+
+	if (_roomResource != 0)
+		for (int i = 1; i < _numActors; i++) {
+			a = derefActor(i);
+			if (a->isInCurrentRoom() && a->_costume == cost)
+				return true;
+		}
+
+	return false;
+}
+
+} // End of namespace Scumm