added player link support

src/content_cao_player.cpp

@@ -18,12 +18,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "content_cao.h"
+#include "clientlinkableobject.h"
 
 /*
 	PlayerCAO
 */
 
-class PlayerCAO : public ClientActiveObject
+class PlayerCAO : public ClientActiveObject, public ClientLinkableObject
 {
 private:
 	core::aabbox3d<f32> m_selection_box;
@@ -212,8 +213,10 @@ public:
 
 	void step(float dtime, ClientEnvironment *env)
 		{
+			if(!isLinked()) {
 				pos_translator.translate(dtime);
 				updateNodePos();
+			}
 
 			if(m_damage_visual_timer > 0){
 				m_damage_visual_timer -= dtime;
@@ -252,6 +255,11 @@ public:
 				m_damage_visual_timer = 0.5;
 				updateTextures("^[brighten");
 			}
+			else if (handleLinkUnlinkMessages(cmd,&is,this->m_env))
+			{
+				//Link unlink already done in handleLinkUnlinkMessages!
+			}
+
 		}
 
 	void updateTextures(const std::string &mod)
@@ -277,6 +285,27 @@ public:
 				}
 			}
 		}
+	void setPosition(v3f toset, float dtime){
+		if (isLinked()) {
+			this->m_position = toset + this->m_linkOffset;
+			pos_translator.update(this->m_position,false);
+			updateNodePos();
+
+			if(m_is_local_player) {
+				m_local_player->setPosition(this->m_position);
+			}
+		}
+		else {
+			errorstream<<"Got linked position update but not linked"<< std::endl;
+		}
+	}
+
+	void updateLinkState(bool value) {
+		if(m_is_local_player) {
+			m_local_player->Link(value);
+		}
+	}
+
 
 	inline v3f getPosition() 	{	return m_position;	}
 

src/environment.cpp

@@ -1890,6 +1890,7 @@ void ClientEnvironment::step(float dtime)
 		Get the speed the player is going
 	*/
 	bool is_climbing = lplayer->is_climbing;
+	bool linked      = lplayer->m_linked;
 	
 	f32 player_speed = lplayer->getSpeed().getLength();
 	
@@ -1918,7 +1919,8 @@ void ClientEnvironment::step(float dtime)
 	/*
 		Stuff that has a maximum time increment
 	*/
-
+	//TODO at this position possibly a better solution is required!
+	if (!linked) {
 		u32 loopcount = 0;
 		do
 		{
@@ -2011,6 +2013,7 @@ void ClientEnvironment::step(float dtime)
 				}
 			}
 		}
+	}
 	
 	/*
 		A quick draft of lava damage

src/player.cpp

@@ -183,7 +183,8 @@ void Player::deSerialize(std::istream &is)
 LocalPlayer::LocalPlayer(IGameDef *gamedef):
 	Player(gamedef),
 	m_sneak_node(32767,32767,32767),
-	m_sneak_node_exists(false)
+	m_sneak_node_exists(false),
+	m_linked(false)
 {
 	// Initialize hp to 0, so that no hearts will be shown if server
 	// doesn't support health points

src/player.h

@@ -251,6 +251,13 @@ public:
 	
 	PlayerControl control;
 
+
+	inline void Link(bool value) {
+		m_linked = value;
+	}
+
+	bool m_linked;
+
 private:
 	// This is used for determining the sneaking range
 	v3s16 m_sneak_node;

src/serverremoteplayer.cpp

@@ -101,13 +101,17 @@ void ServerRemotePlayer::step(float dtime, bool send_recommended)
 	if(send_recommended == false)
 		return;
 	
+	if(isLinked())
+		return;
+
+
 	if(m_position_not_sent)
 	{
 		m_position_not_sent = false;
 
 		std::ostringstream os(std::ios::binary);
 		// command (0 = update position)
-		writeU8(os, 0);
+		writeU8(os,AO_Message_type::SetPosition );
 		// pos
 		writeV3F1000(os, getPosition());
 		// yaw
@@ -173,7 +177,7 @@ void ServerRemotePlayer::punch(ServerActiveObject *puncher,
 	{
 		std::ostringstream os(std::ios::binary);
 		// command (1 = punched)
-		writeU8(os, 1);
+		writeU8(os, AO_Message_type::Punched);
 		// damage
 		writeS16(os, hitprop.hp);
 		// create message and add to list
@@ -323,4 +327,24 @@ s16 ServerRemotePlayer::getHP()
 	return hp;
 }
 
+bool ServerRemotePlayer::sendLinkMsg(ServerActiveObject* parent,v3f offset) {
+	std::ostringstream os(std::ios::binary);
+	writeU8(os, AO_Message_type::Link);
+	// parameters
+	writeU16(os, parent->getId());
+	writeV3F1000(os, offset);
+	// create message and add to list
+	ActiveObjectMessage aom(getId(), true, os.str());
+	m_messages_out.push_back(aom);
+	return true;
+}
+
+bool ServerRemotePlayer::sendUnlinkMsg() {
+	std::ostringstream os(std::ios::binary);
+	writeU8(os, AO_Message_type::UnLink);
+	// create message and add to list
+	ActiveObjectMessage aom(getId(), true, os.str());
+	m_messages_out.push_back(aom);
+	return true;
+}
 

src/serverremoteplayer.h

@@ -22,13 +22,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "player.h"
 #include "serverobject.h"
+#include "serverlinkableobject.h"
 #include "content_object.h" // Object type IDs
 
 /*
 	Player on the server
 */
 
-class ServerRemotePlayer : public Player, public ServerActiveObject
+class ServerRemotePlayer : public Player, public ServerActiveObject, public ServerLinkableObject
 {
 public:
 	ServerRemotePlayer(ServerEnvironment *env);
@@ -97,6 +98,9 @@ public:
 	// Incremented by step(), read and reset by Server
 	float m_time_from_last_punch;
 
+	bool sendLinkMsg(ServerActiveObject* parent,v3f offset);
+	bool sendUnlinkMsg();
+
 private:
 	bool m_position_not_sent;
 };