Initial commit

engines/twine/parser/anim.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 "twine/parser/anim.h"
+#include "common/memstream.h"
+
+namespace TwinE {
+
+void AnimData::loadBoneFrame(KeyFrame &keyframe, Common::SeekableReadStream &stream) {
+	BoneFrame boneframe;
+	boneframe.type = (BoneType)stream.readSint16LE();
+	boneframe.x = stream.readSint16LE();
+	boneframe.y = stream.readSint16LE();
+	boneframe.z = stream.readSint16LE();
+	keyframe.boneframes.push_back(boneframe);
+}
+
+void AnimData::loadKeyFrames(Common::SeekableReadStream &stream) {
+	for (uint16 i = 0U; i < _numKeyframes; ++i) {
+		KeyFrame keyframe;
+		keyframe.length = stream.readUint16LE();
+		keyframe.x = stream.readSint16LE();
+		keyframe.y = stream.readSint16LE();
+		keyframe.z = stream.readSint16LE();
+
+		keyframe.animMasterRot = stream.readSint16LE();
+		keyframe.animStepAlpha = stream.readSint16LE();
+		keyframe.animStepBeta = stream.readSint16LE();
+		keyframe.animStepGamma = stream.readSint16LE();
+		stream.seek(-8, SEEK_CUR);
+
+		for (uint16 j = 0U; j < _numBoneframes; ++j) {
+			loadBoneFrame(keyframe, stream);
+		}
+
+		_keyframes.push_back(keyframe);
+		assert(keyframe.boneframes.size() == (uint)_numBoneframes);
+	}
+}
+
+void AnimData::reset() {
+	_keyframes.clear();
+}
+
+bool AnimData::loadFromStream(Common::SeekableReadStream &stream, bool lba1) {
+	reset();
+	_numKeyframes = stream.readUint16LE();
+	_numBoneframes = stream.readUint16LE();
+	_loopFrame = stream.readUint16LE();
+	stream.readUint16LE();
+
+	loadKeyFrames(stream);
+
+	return !stream.err();
+}
+
+const Common::Array<KeyFrame>& AnimData::getKeyframes() const {
+	return _keyframes;
+}
+
+const KeyFrame* AnimData::getKeyframe(uint index) const {
+	if (index >= _numKeyframes) {
+		return nullptr;
+	}
+	return &_keyframes[index];
+}
+
+uint16 AnimData::getLoopFrame() const { // GetBouclageAnim
+	return _loopFrame;
+}
+
+uint16 AnimData::getNumBoneframes() const {
+	return _numBoneframes;
+}
+
+} // namespace TwinE