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engines/dragons/dragonimg.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 "common/memstream.h"
+#include "dragons/dragonimg.h"
+#include "dragons/bigfile.h"
+
+namespace Dragons {
+
+DragonImg::DragonImg(BigfileArchive *bigfileArchive) {
+	uint32 fileSize;
+	byte *iptData = bigfileArchive->load("dragon.ipt", fileSize);
+	Common::SeekableReadStream *iptReadStream = new Common::MemoryReadStream(iptData, fileSize, DisposeAfterUse::YES);
+
+	_count = fileSize / 4;
+
+	_imgData = bigfileArchive->load("dragon.img", fileSize);
+	Common::SeekableReadStream *imgReadStream = new Common::MemoryReadStream(_imgData, fileSize, DisposeAfterUse::NO);
+
+
+	_imgObjects = new Img[_count];
+
+	for (int i = 0; i < _count; i++) {
+		imgReadStream->seek(iptReadStream->readUint32LE());
+		_imgObjects[i].x = imgReadStream->readUint16LE();
+		_imgObjects[i].y = imgReadStream->readUint16LE();
+		_imgObjects[i].w = imgReadStream->readUint16LE();
+		_imgObjects[i].h = imgReadStream->readUint16LE();
+		_imgObjects[i].layerNum = imgReadStream->readUint16LE();
+		_imgObjects[i].field_a = imgReadStream->readUint16LE();
+		_imgObjects[i].field_c = imgReadStream->readUint16LE();
+		_imgObjects[i].field_e = imgReadStream->readUint16LE();
+		_imgObjects[i].data = _imgData + imgReadStream->pos();
+	}
+
+	delete iptReadStream;
+	delete imgReadStream;
+}
+
+DragonImg::~DragonImg() {
+	delete _imgData;
+	delete[] _imgObjects;
+}
+
+Img *DragonImg::getImg(uint32 iptId) {
+	iptId &= 0xffff;
+	assert(iptId < _count);
+	return &_imgObjects[iptId];
+}
+
+} // End of namespace Dragons