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engines/grim/keyframe.h

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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/>.
+ *
+ */
+
+#ifndef GRIM_KEYFRAME_H
+#define GRIM_KEYFRAME_H
+
+#include "math/vector3d.h"
+
+#include "engines/grim/object.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Grim {
+
+class ModelNode;
+class TextSplitter;
+
+class KeyframeAnim : public Object {
+public:
+	KeyframeAnim(const Common::String &filename, Common::SeekableReadStream *data);
+	~KeyframeAnim();
+
+	void loadBinary(Common::SeekableReadStream *data);
+	void loadText(TextSplitter &ts);
+	bool isNodeAnimated(ModelNode *nodes, int num, float time, bool tagged) const;
+	void animate(ModelNode *nodes, int num, float time, float fade, bool tagged) const;
+	int getMarker(float startTime, float stopTime) const;
+
+	float getLength() const { return _numFrames / _fps; }
+	const Common::String &getFilename() const { return _fname; }
+
+private:
+	Common::String _fname;
+	unsigned int _flags;
+	/**
+	 * A bitfield ID which specifies which joints of the skeleton hierarchy this
+	 * KeyFrameAnim can animate on. This is ANDed against the _type of the ModelNode
+	 * to test whether this KeyFrameAnim can animate that ModelNode, or if it is to
+	 * be ignored.
+	 */
+	unsigned int _type;
+	int _numFrames, _numJoints;
+	float _fps;
+	int _numMarkers;
+
+	struct Marker {
+		float frame;
+		int val;
+	};
+	Marker *_markers;
+
+	struct KeyframeEntry {
+		void loadBinary(Common::SeekableReadStream *data);
+
+		float _frame;
+		int _flags;
+		Math::Vector3d _pos, _dpos;
+		Math::Angle _pitch, _yaw, _roll, _dpitch, _dyaw, _droll;
+	};
+
+	struct KeyframeNode {
+		void loadBinary(Common::SeekableReadStream *data, char *meshName);
+		void loadText(TextSplitter &ts);
+		~KeyframeNode();
+
+		void animate(ModelNode &node, float frame, float fade, bool useDelta) const;
+
+		char _meshName[32];
+		int _numEntries;
+		KeyframeEntry *_entries;
+	};
+
+	KeyframeNode **_nodes;
+};
+
+} // end of namespace Grim
+
+#endif