Add ObjectRef:getvelocity(), ObjectRef:setyaw() and ObjectRef:getyaw()

data/mods/default/init.lua

@@ -200,8 +200,11 @@
 -- - set_hp(hp): set number of hitpoints (2 * number of hearts)
 -- LuaEntitySAO-only: (no-op for other objects)
 -- - setvelocity({x=num, y=num, z=num})
+-- - getvelocity() -> {x=num, y=num, z=num}
 -- - setacceleration({x=num, y=num, z=num})
 -- - getacceleration() -> {x=num, y=num, z=num}
+-- - setyaw(radians)
+-- - getyaw() -> radians
 -- - settexturemod(mod)
 -- - setsprite(p={x=0,y=0}, num_frames=1, framelength=0.2,
 -- -           select_horiz_by_yawpitch=false)

src/content_sao.cpp

@@ -1698,6 +1698,11 @@ void LuaEntitySAO::setVelocity(v3f velocity)
 	m_velocity = velocity;
 }
 
+v3f LuaEntitySAO::getVelocity()
+{
+	return m_velocity;
+}
+
 void LuaEntitySAO::setAcceleration(v3f acceleration)
 {
 	m_acceleration = acceleration;
@@ -1708,6 +1713,16 @@ v3f LuaEntitySAO::getAcceleration()
 	return m_acceleration;
 }
 
+void LuaEntitySAO::setYaw(float yaw)
+{
+	m_yaw = yaw;
+}
+
+float LuaEntitySAO::getYaw()
+{
+	return m_yaw;
+}
+
 void LuaEntitySAO::setTextureMod(const std::string &mod)
 {
 	std::ostringstream os(std::ios::binary);

src/content_sao.h

@@ -213,8 +213,11 @@ public:
 	float getMinimumSavedMovement();
 	/* LuaEntitySAO-specific */
 	void setVelocity(v3f velocity);
+	v3f getVelocity();
 	void setAcceleration(v3f acceleration);
 	v3f getAcceleration();
+	void setYaw(float yaw);
+	float getYaw();
 	void setTextureMod(const std::string &mod);
 	void setSprite(v2s16 p, int num_frames, float framelength,
 			bool select_horiz_by_yawpitch);

src/scriptapi.cpp

@@ -1928,6 +1928,18 @@ private:
 		return 0;
 	}
 	
+	// getvelocity(self)
+	static int l_getvelocity(lua_State *L)
+	{
+		ObjectRef *ref = checkobject(L, 1);
+		LuaEntitySAO *co = getluaobject(ref);
+		if(co == NULL) return 0;
+		// Do it
+		v3f v = co->getVelocity();
+		pushFloatPos(L, v);
+		return 1;
+	}
+	
 	// setacceleration(self, {x=num, y=num, z=num})
 	static int l_setacceleration(lua_State *L)
 	{
@@ -1953,6 +1965,31 @@ private:
 		return 1;
 	}
 	
+	// setyaw(self, radians)
+	static int l_setyaw(lua_State *L)
+	{
+		ObjectRef *ref = checkobject(L, 1);
+		LuaEntitySAO *co = getluaobject(ref);
+		if(co == NULL) return 0;
+		// pos
+		float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
+		// Do it
+		co->setYaw(yaw);
+		return 0;
+	}
+	
+	// getyaw(self)
+	static int l_getyaw(lua_State *L)
+	{
+		ObjectRef *ref = checkobject(L, 1);
+		LuaEntitySAO *co = getluaobject(ref);
+		if(co == NULL) return 0;
+		// Do it
+		float yaw = co->getYaw() * core::DEGTORAD;
+		lua_pushnumber(L, yaw);
+		return 1;
+	}
+	
 	// settexturemod(self, mod)
 	static int l_settexturemod(lua_State *L)
 	{
@@ -2209,8 +2246,11 @@ const luaL_reg ObjectRef::methods[] = {
 	method(ObjectRef, get_hp),
 	// LuaEntitySAO-only
 	method(ObjectRef, setvelocity),
+	method(ObjectRef, getvelocity),
 	method(ObjectRef, setacceleration),
 	method(ObjectRef, getacceleration),
+	method(ObjectRef, setyaw),
+	method(ObjectRef, getyaw),
 	method(ObjectRef, settexturemod),
 	method(ObjectRef, setsprite),
 	method(ObjectRef, get_entity_name),