X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=inline;f=source%2Fdesigner%2Fcameracontroller.h;h=b18e2519d25aadecaff80eb4e8c345b7bc7ffb85;hb=1ff06c5bc46a677fa389ef86c6b26664368f1653;hp=63ba2c13027f528f1c63a376c66bb70242c6e98d;hpb=e07c0d862a4d43b2585c93e79d25380d00675309;p=r2c2.git

diff --git a/source/designer/cameracontroller.h b/source/designer/cameracontroller.h
index 63ba2c1..b18e251 100644
--- a/source/designer/cameracontroller.h
+++ b/source/designer/cameracontroller.h
@@ -1,6 +1,6 @@
 /* $Id$
 
-This file is part of the MSP Märklin suite
+This file is part of R²C²
 Copyright © 2010 Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
@@ -11,24 +11,71 @@ Distributed under the GPL
 #include <msp/gbase/window.h>
 #include <msp/gl/camera.h>
 
+class Designer;
+
+/**
+Moves the camera based on keyboard and mouse events.  Controls are as follows:
+
+Arrow keys  - pan
+Home        - view all
+Insert      - view from top down
+Wheel       - adjust viewing distance
+RMB         - rotate
+MMB         - pan
+Shift + RMB - pan
+Shift + MMB - rotate
+Ctrl + RMB  - adjust viewing distance
+Ctrl + MMB  - adjust viewing distance
+*/
 class CameraController
 {
 private:
-	Msp::Graphics::Window &window;
+	enum DragMode
+	{
+		NONE,
+		PAN,
+		ROTATE,
+		DISTANCE
+	};
+
+	Designer &designer;
+	Msp::Graphics::EventSource &event_source;
 	Msp::GL::Camera &camera;
 	int move_x;
 	int move_y;
-	int zoom;
-	int rotate;
-	int pitch;
+	int pointer_x;
+	int pointer_y;
+	DragMode drag_mode;
 
 public:
-	CameraController(Msp::Graphics::Window &, Msp::GL::Camera &);
+	CameraController(Designer &, Msp::Graphics::EventSource &, Msp::GL::Camera &);
+
+	void top_down();
+	void set_look_direction(const Msp::GL::Vector3 &);
+	void view_all();
+
+	void move(float, float);
+	void adjust_distance(float);
+	void rotate(float);
+	void pitch(float);
 
 	void tick(float);
 private:
+	void button_press(int, int, unsigned, unsigned);
+	void button_release(int, int, unsigned, unsigned);
+	void pointer_motion(int, int);
 	void key_press(unsigned, unsigned, wchar_t);
 	void key_release(unsigned, unsigned);
+
+public:
+	/** Return the focus point, i.e. where the look ray intersects with ground. */
+	Msp::GL::Vector3 get_focus() const;
+
+	/** Return distance from the focus point. */
+	float get_distance() const;
+
+	/** Return the viewport height at focus distance. */
+	float get_view_scale() const;
 };
 
 #endif