added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / gfx / controller.hpp

diff --git a/src/3dengfx/src/gfx/controller.hpp b/src/3dengfx/src/gfx/controller.hpp
new file mode 100644 (file)
index 0000000..541d876
--- /dev/null
+++ b/src/3dengfx/src/gfx/controller.hpp
@@ -0,0 +1,91 @@
+/*
+This file is part of the graphics core library.
+
+Copyright (c) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* motion controllers (part of the animation system)
+ *
+ * Author: John Tsiombikas 2004
+ */
+
+#ifndef _CONTROLLER_HPP_
+#define _CONTROLLER_HPP_
+
+#include "curves.hpp"
+#include "timeline.hpp"
+
+enum ControllerClass {CTRL_CURVE, CTRL_SIN, CTRL_COS, CTRL_LIN};
+
+enum {
+       CTRL_X          = 1,    // 0001
+       CTRL_Y          = 2,    // 0010
+       CTRL_Z          = 4,    // 0100
+       CTRL_XY         = 3,    // 0011
+       CTRL_YZ         = 6,    // 0110
+       CTRL_XZ         = 5,    // 0101
+       CTRL_XYZ        = 7             // 0111
+};
+       
+
+class MotionController {
+private:
+       Curve *curve;
+
+       // parameters for the sinusoidal controller
+       scalar_t freq, ampl, phase;
+       scalar_t (*freq_func)(scalar_t);
+       scalar_t (*ampl_func)(scalar_t);
+
+       // parameters for the linear controller
+       Vector3 orig, slope;
+       
+       unsigned long start_time, end_time;
+       
+       TimelineMode time_mode;
+       ControllerClass ctrl_type;
+       unsigned int axis_flags;
+       
+public:
+       MotionController(ControllerClass ctype = CTRL_CURVE, TimelineMode mode = TIME_CLAMP);
+       MotionController(Curve *curve, unsigned long start, unsigned long end, TimelineMode mode = TIME_CLAMP);
+       
+       void set_curve(Curve *curve);
+       void set_sin_func(scalar_t freq, scalar_t ampl, scalar_t phase = 0.0f);
+       void set_sin_func(scalar_t (*freq_func)(scalar_t), scalar_t(*ampl_func)(scalar_t));
+       
+       void set_origin(scalar_t orig);
+       void set_origin(const Vector3 &orig_vec);
+       void set_slope(scalar_t slope);
+       void set_slope(const Vector3 &slope_vec);
+       
+       void set_timing(unsigned long start, unsigned long end);
+       void set_timeline_mode(TimelineMode tmode);
+       void set_controller_type(ControllerClass ctype);
+       void set_control_axis(unsigned int axis_flags);
+       
+       Curve *get_curve();
+       unsigned long get_start_time() const;
+       unsigned long get_end_time() const;
+       TimelineMode get_timeline_mode() const;
+       unsigned int get_control_axis() const;
+       
+       Vector3 operator ()(unsigned long time) const;
+};
+       
+
+#endif // _CONTROLLER_HPP_