From 36ce28a7557c4b2b73316621471558354024ca54 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Thu, 1 May 2008 21:08:40 +0000
Subject: roll control

---
 src/client/camera.cc | 60 +++++++++++++++++++++++++++++++++++-----------------
 src/client/camera.h  |  3 +++
 src/client/input.cc  | 24 +++++++++++++++++++--
 3 files changed, 66 insertions(+), 21 deletions(-)

(limited to 'src/client')

diff --git a/src/client/camera.cc b/src/client/camera.cc
index e2dbacf..c2bbc83 100644
--- a/src/client/camera.cc
+++ b/src/client/camera.cc
@@ -43,6 +43,11 @@ float yaw_current;
 // current pitch, angle in XY, positive is looking up
 float pitch_current;
 
+// current direction rotation speed
+float current_direction_speed;
+// current pitcj rotation speed
+float current_pitch_speed;
+
 // default pitch in mode::Overview
 float pitch_overview;
 
@@ -55,6 +60,8 @@ float rotate_offset_inc;
 // default translate offset increase/decrease
 const float translate_offset_inc = 0.1;
 
+void set_mode(Mode newmode);
+
 void init()
 {
 	rotate_offset_inc = 5.0f; 
@@ -67,7 +74,8 @@ void init()
 
 	distance = 0.4f;
 
-	mode = Track;
+	set_mode(Track);
+	
 }
 
 void shutdown() 
@@ -75,25 +83,24 @@ void shutdown()
 }
 
 void set_mode(Mode newmode) {
+
+	current_direction_speed = 0;
+	current_pitch_speed = 0;
+	yaw_target = 0;
+	yaw_current = yaw_target;
+	pitch_target = pitch_track;
+	pitch_current = pitch_target;	
+	distance = 0.4f;
+
 	switch(newmode) {
 	case Track:
 		// switch camera to Track mode
 		mode = Track;
-		yaw_target = 0;
-		yaw_current = yaw_target;
-		pitch_target = pitch_track;
-		pitch_current = pitch_target;
-		distance = 0.4f;
 		break;
 
 	case Free:
 		// switch camera to Free mode
 		mode = Free;
-		yaw_target = 0;
-		yaw_current = yaw_target;
-		pitch_target = pitch_track;
-		pitch_current = pitch_target;
-		distance = 0.4f;
 		break;
 
 	case Overview:
@@ -128,7 +135,7 @@ void next_mode()
 	}
 }
 
-void draw(float elapsed) 
+void draw(float seconds) 
 {	
 	math::Matrix4f matrix;
 
@@ -153,25 +160,34 @@ void draw(float elapsed)
 			set_mode(Track);
 
 		target.assign(core::localcontrol()->location());
-		
-		axis.assign(core::localcontrol()->axis());
-	
+ 		if (core::localcontrol()->model())
+			target += core::localcontrol()->model()->maxbbox().z * core::localcontrol()->axis().up();
+			
 		if (mode == Track) {
 			// make the camera swing while turning
 			yaw_target = -25.0f * core::localcontrol()->target_direction;
 			pitch_target = pitch_track - 25 * core::localcontrol()->target_pitch;
-		}
+			/*
+			d = -math::dotproduct(axis.forward(), core::localcontrol()->axis().forward()) + 1;
+			axis.change_direction(360.0f * d * seconds);
+
+			//d = -math::dotproduct(axis.left(), core::localcontrol()->axis().left()) + 1;
+			// axis.change_pitch(360.0f * d * seconds);
+			*/
+		} 
+		
+		axis.assign(core::localcontrol()->axis());
 
 		// adjust direction
 		d = degrees180f(yaw_current - yaw_target);
-		yaw_current = degrees360f( yaw_current - d * elapsed);
+		yaw_current = degrees360f( yaw_current - d * seconds);
 		axis.change_direction(yaw_current);
 
 		// adjust pitch target
 		d = degrees180f(pitch_current - pitch_target);
-		pitch_current = degrees360f(pitch_current - d *elapsed);
+		pitch_current = degrees360f(pitch_current - d *seconds);
 		axis.change_pitch(pitch_current);
-
+		
 		if (core::localcontrol()->model()) 
 			distance = 1+core::localcontrol()->model()->radius();
 		else
@@ -228,6 +244,12 @@ void key_up()
 	}
 }
 
+
+void reset()
+{
+	set_mode(mode);
+}
+
 } // namespace camera
 
 } // namespace client
diff --git a/src/client/camera.h b/src/client/camera.h
index 25e179d..751ff02 100644
--- a/src/client/camera.h
+++ b/src/client/camera.h
@@ -41,6 +41,9 @@ namespace camera
 	/// switch to next camera mode
 	void next_mode();
 
+	/// reset the current mode
+	void reset();
+
 	/// gameworld coordinates of the camera target
 	extern math::Vector3f target;
 
diff --git a/src/client/input.cc b/src/client/input.cc
index d10c8bc..87492c4 100644
--- a/src/client/input.cc
+++ b/src/client/input.cc
@@ -27,8 +27,8 @@ namespace input
 // local controls
 float local_turn = 0.0f;
 float local_pitch = 0.0f;
-float local_roll = 0.0f;
 float local_thrust = 0.0f;
+float local_roll = 0.0f;
 
 // last controlled entity
 unsigned int last_control = 0;
@@ -84,6 +84,14 @@ void keyreleased(const SDL_keysym &keysym)
 			local_turn = 0.0f;
 			break;
 
+		case SDLK_KP_DIVIDE: // roll left
+			local_roll =  0.0f;
+			break;
+		
+		case SDLK_KP_MULTIPLY: // roll light
+			local_roll =  0.0f;
+			break;
+
 		default:
 			break;
 	}
@@ -132,9 +140,18 @@ void keypressed(const SDL_keysym &keysym)
 			local_turn = -1.0f;
 			break;
 
-		case SDLK_KP5:
+		case SDLK_KP5: // level
 			local_turn = 0;
 			local_pitch = 0;
+			local_roll = 0;
+			break;
+
+		case SDLK_KP_DIVIDE: // roll left
+			local_roll =  1.0f;
+			break;
+		
+		case SDLK_KP_MULTIPLY: // roll light
+			local_roll =  -1.0f;
 			break;
 
 
@@ -165,8 +182,10 @@ void frame(float seconds)
 	if (core::localcontrol() && (last_control != core::localcontrol()->id())) {
 		local_turn = 0.0f;
 		local_pitch = 0.0f;
+		local_roll = 0.0f;
 		local_thrust = core::localcontrol()->thrust();
 		last_control = core::localcontrol()->id();
+		camera::reset();
 	}
 
 	SDL_Event event;
@@ -281,6 +300,7 @@ void frame(float seconds)
 		core::localcontrol()->set_thrust(local_thrust);
 		core::localcontrol()->set_direction(local_turn);
 		core::localcontrol()->set_pitch(local_pitch / video::aspect );
+		core::localcontrol()->set_roll(local_roll);
 	}
 }
 
-- 
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