Crouching (Left Control key)

minetest.conf.example

@@ -38,6 +38,7 @@
 #keymap_right = KEY_KEY_D
 #keymap_jump = KEY_SPACE
 #keymap_sneak = KEY_LSHIFT
+#keymap_crouch = KEY_LCONTROL
 #keymap_inventory = KEY_KEY_I
 # Go down ladder / go down in fly mode / go fast in fast mode
 #keymap_special1 = KEY_KEY_E

src/defaultsettings.cpp

@@ -36,6 +36,7 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("keymap_jump", "KEY_SPACE");
 	settings->setDefault("keymap_sneak", "KEY_LSHIFT");
 	settings->setDefault("keymap_drop", "KEY_KEY_Q");
+	settings->setDefault("keymap_crouch", "KEY_LCONTROL");
 	settings->setDefault("keymap_inventory", "KEY_KEY_I");
 	settings->setDefault("keymap_special1", "KEY_KEY_E");
 	settings->setDefault("keymap_chat", "KEY_KEY_T");

src/game.cpp

@@ -1561,7 +1561,8 @@ void the_game(
 				false,
 				false,
 				camera_pitch,
-				camera_yaw
+				camera_yaw,
+				false
 			);
 			client.setPlayerControl(control);
 		}
@@ -1583,9 +1584,10 @@ void the_game(
 				input->isKeyDown(getKeySetting("keymap_right")),
 				input->isKeyDown(getKeySetting("keymap_jump")),
 				input->isKeyDown(getKeySetting("keymap_special1")),
-				input->isKeyDown(getKeySetting("keymap_sneak")),
+				input->isKeyDown(getKeySetting("keymap_sneak")) || input->isKeyDown(getKeySetting("keymap_crouch")),
 				camera_pitch,
-				camera_yaw
+				camera_yaw,
+				input->isKeyDown(getKeySetting("keymap_crouch"))
 			);
 			client.setPlayerControl(control);
 		}

src/player.cpp

@@ -47,7 +47,8 @@ Player::Player(IGameDef *gamedef):
 	m_pitch(0),
 	m_yaw(0),
 	m_speed(0,0,0),
-	m_position(0,0,0)
+	m_position(0,0,0),
+	m_eyeOffset(0,BS+(5*BS)/8,0)
 {
 	updateName("<not set>");
 	resetInventory();
@@ -750,6 +751,21 @@ void LocalPlayer::applyControl(float dtime)
 	
 	// Accelerate to target speed with maximum increment
 	accelerate(speed, inc);
+
+	static const f32 eyes_max = BS+(5*BS)/8;
+	static const f32 eyes_min = BS * 0.9f;
+	static const f32 eyes_delta = 10.f;
+	if(control.crouch){
+		//crouching
+		if(m_eyeOffset.Y > eyes_min + 0.01f)
+			m_eyeOffset.Y += (eyes_min-m_eyeOffset.Y) * eyes_delta * dtime;
+		else m_eyeOffset.Y = eyes_min;
+	}else{
+		//standing
+		if(m_eyeOffset.Y < eyes_max - 0.01f)
+			m_eyeOffset.Y += (eyes_max-m_eyeOffset.Y) * eyes_delta * dtime;
+		else m_eyeOffset.Y = eyes_max;
+	}
 }
 #endif
 

src/player.h

@@ -69,7 +69,8 @@ public:
 		// This is at the height of the eyes of the current figure
 		// return v3f(0, BS+BS/2, 0);
 		// This is more like in minecraft
-		return v3f(0,BS+(5*BS)/8,0);
+		//return v3f(0,BS+(5*BS)/8,0);
+		return m_eyeOffset;
 	}
 
 	v3f getEyePosition()
@@ -169,6 +170,7 @@ protected:
 	f32 m_yaw;
 	v3f m_speed;
 	v3f m_position;
+	v3f m_eyeOffset;
 
 public:
 
@@ -188,6 +190,7 @@ struct PlayerControl
 		sneak = false;
 		pitch = 0;
 		yaw = 0;
+		crouch = false;
 	}
 	PlayerControl(
 		bool a_up,
@@ -198,7 +201,8 @@ struct PlayerControl
 		bool a_aux1,
 		bool a_sneak,
 		float a_pitch,
-		float a_yaw
+		float a_yaw,
+		bool a_crouch
 	)
 	{
 		up = a_up;
@@ -210,6 +214,7 @@ struct PlayerControl
 		sneak = a_sneak;
 		pitch = a_pitch;
 		yaw = a_yaw;
+		crouch = a_crouch;
 	}
 	bool up;
 	bool down;
@@ -220,6 +225,7 @@ struct PlayerControl
 	bool sneak;
 	float pitch;
 	float yaw;
+	bool crouch;
 };
 
 class LocalPlayer : public Player