Scripting WIP

data/scripts/default.lua

@@ -166,7 +166,7 @@ end
 function TNT:on_rightclick(clicker)
 	pos = self.object:getpos()
 	pos = {x=pos.x, y=pos.y+0.1, z=pos.z}
-	self.object:moveto(pos)
+	self.object:moveto(pos, false)
 end
 --[[
 function TNT:on_rightclick(clicker)

src/content_cao.cpp

@@ -1368,9 +1368,11 @@ void LuaEntityCAO::processMessage(const std::string &data)
 		m_yaw = readF1000(is);
 		// is_end_position (for interpolation)
 		bool is_end_position = readU8(is);
+		// update_interval
+		float update_interval = readF1000(is);
 		
 		if(do_interpolate)
-			pos_translator.update(m_position, is_end_position);
+			pos_translator.update(m_position, is_end_position, update_interval);
 		else
 			pos_translator.init(m_position);
 		updateNodePos();

src/content_cao.h

@@ -35,10 +35,10 @@ struct SmoothTranslator
 	v3f vect_old;
 	v3f vect_show;
 	v3f vect_aim;
-	bool aim_is_end;
 	f32 anim_counter;
 	f32 anim_time;
 	f32 anim_time_counter;
+	bool aim_is_end;
 
 	SmoothTranslator():
 		vect_old(0,0,0),
@@ -46,7 +46,8 @@ struct SmoothTranslator
 		vect_aim(0,0,0),
 		anim_counter(0),
 		anim_time(0),
-		anim_time_counter(0)
+		anim_time_counter(0),
+		aim_is_end(true)
 	{}
 
 	void init(v3f vect)
@@ -54,10 +55,10 @@ struct SmoothTranslator
 		vect_old = vect;
 		vect_show = vect;
 		vect_aim = vect;
-		aim_is_end = true;
 		anim_counter = 0;
 		anim_time = 0;
 		anim_time_counter = 0;
+		aim_is_end = true;
 	}
 
 	void sharpen()
@@ -65,15 +66,19 @@ struct SmoothTranslator
 		init(vect_show);
 	}
 
-	void update(v3f vect_new, bool is_end_position=false)
+	void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
 	{
 		aim_is_end = is_end_position;
 		vect_old = vect_show;
 		vect_aim = vect_new;
-		if(anim_time < 0.001 || anim_time > 1.0)
-			anim_time = anim_time_counter;
-		else
-			anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
+		if(update_interval > 0){
+			anim_time = update_interval;
+		} else {
+			if(anim_time < 0.001 || anim_time > 1.0)
+				anim_time = anim_time_counter;
+			else
+				anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
+		}
 		anim_time_counter = 0;
 		anim_counter = 0;
 	}

src/content_sao.cpp

@@ -1510,7 +1510,8 @@ LuaEntitySAO::LuaEntitySAO(ServerEnvironment *env, v3f pos,
 	m_yaw(0),
 	m_last_sent_yaw(0),
 	m_last_sent_position(0,0,0),
-	m_last_sent_position_timer(0)
+	m_last_sent_position_timer(0),
+	m_last_sent_move_precision(0)
 {
 	// Only register type if no environment supplied
 	if(env == NULL){
@@ -1572,17 +1573,16 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 	if(send_recommended == false)
 		return;
 	
-	bool move_end = false;
 	float minchange = 0.2*BS;
 	if(m_last_sent_position_timer > 1.0){
 		minchange = 0.01*BS;
-		move_end = true;
 	} else if(m_last_sent_position_timer > 0.2){
 		minchange = 0.05*BS;
 	}
-	if(m_base_position.getDistanceFrom(m_last_sent_position) > minchange
-			|| fabs(m_yaw - m_last_sent_yaw) > 1.0){
-		sendPosition(true, move_end);
+	float move_d = m_base_position.getDistanceFrom(m_last_sent_position);
+	move_d += m_last_sent_move_precision;
+	if(move_d > minchange || fabs(m_yaw - m_last_sent_yaw) > 1.0){
+		sendPosition(true, false);
 	}
 }
 
@@ -1649,17 +1649,22 @@ void LuaEntitySAO::setPos(v3f pos)
 	sendPosition(false, true);
 }
 
-void LuaEntitySAO::moveTo(v3f pos)
+void LuaEntitySAO::moveTo(v3f pos, bool continuous)
 {
 	m_base_position = pos;
-	sendPosition(true, true);
+	if(!continuous)
+		sendPosition(true, true);
 }
 
 void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
 {
+	m_last_sent_move_precision = m_base_position.getDistanceFrom(
+			m_last_sent_position);
+	m_last_sent_position_timer = 0;
 	m_last_sent_yaw = m_yaw;
 	m_last_sent_position = m_base_position;
-	m_last_sent_position_timer = 0;
+
+	float update_interval = m_env->getSendRecommendedInterval();
 
 	std::ostringstream os(std::ios::binary);
 	// command (0 = update position)
@@ -1673,6 +1678,8 @@ void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
 	writeF1000(os, m_yaw);
 	// is_end_position (for interpolation)
 	writeU8(os, is_movement_end);
+	// update_interval (for interpolation)
+	writeF1000(os, update_interval);
 
 	// create message and add to list
 	ActiveObjectMessage aom(getId(), false, os.str());

src/content_sao.h

@@ -217,7 +217,7 @@ public:
 	void rightClick(Player *player);
 
 	void setPos(v3f pos);
-	void moveTo(v3f pos);
+	void moveTo(v3f pos, bool continuous);
 private:
 	void sendPosition(bool do_interpolate, bool is_movement_end);
 
@@ -230,6 +230,7 @@ private:
 	float m_last_sent_yaw;
 	v3f m_last_sent_position;
 	float m_last_sent_position_timer;
+	float m_last_sent_move_precision;
 };
 
 #endif

src/environment.cpp

@@ -1153,9 +1153,9 @@ void ServerEnvironment::step(float dtime)
 		// This helps the objects to send data at the same time
 		bool send_recommended = false;
 		m_send_recommended_timer += dtime;
-		if(m_send_recommended_timer > 0.10)
+		if(m_send_recommended_timer > getSendRecommendedInterval())
 		{
-			m_send_recommended_timer = 0;
+			m_send_recommended_timer -= getSendRecommendedInterval();
 			send_recommended = true;
 		}
 

src/environment.h

@@ -145,6 +145,11 @@ public:
 		return m_lua;
 	}
 
+	float getSendRecommendedInterval()
+	{
+		return 0.10;
+	}
+
 	/*
 		Save players
 	*/

src/scriptapi.cpp

@@ -367,7 +367,8 @@ private:
 	}
 	
 	// Exported functions
-
+	
+	// remove(self)
 	static int l_remove(lua_State *L)
 	{
 		ObjectRef *ref = checkobject(L, 1);
@@ -377,7 +378,9 @@ private:
 		co->m_removed = true;
 		return 0;
 	}
-
+	
+	// getpos(self)
+	// returns: {x=num, y=num, z=num}
 	static int l_getpos(lua_State *L)
 	{
 		ObjectRef *ref = checkobject(L, 1);
@@ -393,7 +396,8 @@ private:
 		lua_setfield(L, -2, "z");
 		return 1;
 	}
-
+	
+	// setpos(self, pos)
 	static int l_setpos(lua_State *L)
 	{
 		ObjectRef *ref = checkobject(L, 1);
@@ -406,7 +410,8 @@ private:
 		co->setPos(pos);
 		return 0;
 	}
-
+	
+	// moveto(self, pos, continuous=false)
 	static int l_moveto(lua_State *L)
 	{
 		ObjectRef *ref = checkobject(L, 1);
@@ -415,8 +420,10 @@ private:
 		if(co == NULL) return 0;
 		// pos
 		v3f pos = readFloatPos(L, 2);
+		// continuous
+		bool continuous = lua_toboolean(L, 3);
 		// Do it
-		co->moveTo(pos);
+		co->moveTo(pos, continuous);
 		return 0;
 	}
 

src/serverobject.h

@@ -71,8 +71,11 @@ public:
 	/*
 		Some more dynamic interface
 	*/
-	virtual void setPos(v3f pos){ setBasePosition(pos); }
-	virtual void moveTo(v3f pos){ setBasePosition(pos); }
+	virtual void setPos(v3f pos)
+	{ setBasePosition(pos); }
+	// continuous: if true, object does not stop immediately at pos
+	virtual void moveTo(v3f pos, bool continuous)
+	{ setBasePosition(pos); }
 
 	/*
 		Step object in time.