CRYOMNI3D: Add engine for Versailles 1685

1 files changed, 83 insertions, 0 deletions

diff --git a/engines/cryomni3d/omni3d.h b/engines/cryomni3d/omni3d.h
new file mode 100644
index 0000000000..e7d9e08a89
--- /dev/null
+++ b/engines/cryomni3d/omni3d.h
@@ -0,0 +1,83 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CRYOMNI3D_OMNI3D_H
+#define CRYOMNI3D_OMNI3D_H
+
+#include "graphics/surface.h"
+
+namespace CryOmni3D {
+
+class Omni3DManager {
+public:
+	Omni3DManager() {}
+	virtual ~Omni3DManager();
+
+	void init(double hfov);
+
+	void setSourceSurface(const Graphics::Surface *surface) { _sourceSurface = surface; _dirty = true; }
+
+	void clearConstraints();
+	void setAlphaConstraints(double alphaMin, double alphaMax) { _alphaMin = alphaMin; _alphaMax = alphaMax; }
+	void setBetaMinConstraint(double betaMin) { _betaMin = betaMin; }
+	void setBetaMaxConstraint(double betaMax) { _betaMax = betaMax; }
+
+	void setAlpha(double alpha) { _alpha = alpha; _dirtyCoords = true; }
+	void setBeta(double beta) { _beta = beta; _dirtyCoords = true; }
+	void updateCoords(int xDelta, int yDelta, bool useOldSpeed);
+
+	double getAlpha() const { return _alpha; }
+	double getBeta() const { return _beta; }
+
+	Common::Point mapMouseCoords(const Common::Point &mouse);
+
+	bool hasSpeed() { return _xSpeed != 0. || _ySpeed != 0.; }
+	bool needsUpdate() { return _dirty || _dirtyCoords; }
+	const Graphics::Surface *getSurface();
+
+private:
+	void updateImageCoords();
+
+	double _vfov;
+
+	double _alpha, _beta;
+	double _xSpeed, _ySpeed;
+
+	double _alphaMin, _alphaMax;
+	double _betaMin, _betaMax;
+
+	int _imageCoords[2544];
+	double _squaresCoords[31][21];
+	double _hypothenusesH[31];
+	double _anglesH[31];
+	double _oppositeV[21];
+	double _helperValue;
+
+	bool _dirty;
+	bool _dirtyCoords;
+	const Graphics::Surface *_sourceSurface;
+	Graphics::Surface _surface;
+};
+
+} // End of namespace CryOmni3D
+
+#endif