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engines/dragons/dragonrms.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/dragonrms.h"
+#include "dragons/dragonobd.h"
+#include "dragons/bigfile.h"
+
+namespace Dragons {
+
+#define DRAGON_RMS_STRUCT_SIZE 0x1c
+
+DragonRMS::DragonRMS(BigfileArchive *bigfileArchive, DragonOBD *dragonOBD) : _dragonOBD(dragonOBD) {
+	uint32 fileSize;
+	byte *data = bigfileArchive->load("dragon.rms", fileSize);
+	Common::SeekableReadStream *readStream = new Common::MemoryReadStream(data, fileSize, DisposeAfterUse::YES);
+
+	_count = fileSize / DRAGON_RMS_STRUCT_SIZE;
+
+	_rmsObjects = new RMS[_count];
+
+	for (int i = 0; i < _count; i++) {
+		_rmsObjects[i]._field0 = readStream->readSint32LE();
+		readStream->read(_rmsObjects[i]._sceneName, 4);
+		_rmsObjects[i]._afterDataLoadScript = readStream->readSint32LE();
+		_rmsObjects[i]._afterSceneLoadScript = readStream->readSint32LE();
+		_rmsObjects[i]._beforeLoadScript = readStream->readSint32LE();
+		_rmsObjects[i]._inventoryBagPosition = readStream->readSint16LE();
+		_rmsObjects[i]._field16 = readStream->readSint32LE();
+		_rmsObjects[i]._field1a = readStream->readSint16LE();
+	}
+	delete readStream;
+}
+
+DragonRMS::~DragonRMS() {
+	delete[] _rmsObjects;
+}
+
+char *DragonRMS::getSceneName(uint32 sceneId) {
+	return getRMS(sceneId)->_sceneName;
+}
+
+byte *DragonRMS::getBeforeSceneDataLoadedScript(uint32 sceneId) {
+	return _dragonOBD->getObdAtOffset(getRMS(sceneId)->_beforeLoadScript);
+}
+
+byte *DragonRMS::getAfterSceneDataLoadedScript(uint32 sceneId) {
+	return _dragonOBD->getObdAtOffset(getRMS(sceneId)->_afterDataLoadScript);
+}
+
+byte *DragonRMS::getAfterSceneLoadedScript(uint32 sceneId) {
+	return _dragonOBD->getObdAtOffset(getRMS(sceneId)->_afterSceneLoadScript);
+}
+
+int16 DragonRMS::getInventoryPosition(uint32 sceneId) {
+	return getRMS(sceneId)->_inventoryBagPosition;
+}
+
+RMS *DragonRMS::getRMS(uint32 sceneId) {
+	sceneId &= 0x7fff;
+	assert(sceneId > 1);
+	assert(sceneId - 2 < _count);
+	return &_rmsObjects[sceneId - 2];
+}
+
+} // End of namespace Dragons