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engines/bladerunner/view.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 BLADERUNNER_VIEW_H
+#define BLADERUNNER_VIEW_H
+
+#include "matrix.h"
+
+namespace Common {
+class ReadStream;
+}
+
+namespace BladeRunner {
+
+class View {
+public:
+	float     _fovX;
+	Matrix4x3 _frameViewMatrix;
+	Matrix4x3 _sliceViewMatrix;
+	uint32    _frame;
+
+	Vector3   _cameraPosition;
+	Vector3   _viewportPosition;
+
+	bool readVqa(Common::ReadStream *stream);
+	Vector3 calculateScreenPosition(Vector3 worldPosition);
+
+private:
+	void setFovX(float fovX);
+	void calculateSliceViewMatrix();
+	void calculateCameraPosition();
+};
+
+} // End of namespace BladeRunner
+
+#endif