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authorJuan Linietsky <reduzio@gmail.com>2016-08-14 18:49:50 -0300
committerJuan Linietsky <reduzio@gmail.com>2016-08-14 18:49:50 -0300
commit3db36684b183adbec93cce9fe91182186e389e06 (patch)
treea324f3a336d1a77e7e3bd3d3bfc7258ccf8b06b5 /scene
parent01bdfe1ff6033c012d0833ee165f6055fed69724 (diff)
Added high level networked multiplayer to Godot.
It's complete, but absolutely and completely untested, undocumented and NSFW. Have fun :-)
Diffstat (limited to 'scene')
-rw-r--r--scene/main/node.cpp261
-rw-r--r--scene/main/node.h43
-rw-r--r--scene/main/scene_main_loop.cpp328
-rw-r--r--scene/main/scene_main_loop.h53
4 files changed, 683 insertions, 2 deletions
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index a53c19d2e7..0c7d569334 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -36,6 +36,7 @@
#include "instance_placeholder.h"
VARIANT_ENUM_CAST(Node::PauseMode);
+VARIANT_ENUM_CAST(Node::NetworkMode);
@@ -77,6 +78,16 @@ void Node::_notification(int p_notification) {
data.pause_owner=this;
}
+ if (data.network_mode==NETWORK_MODE_INHERIT) {
+
+ if (data.parent)
+ data.network_owner=data.parent->data.network_owner;
+ else
+ data.network_owner=NULL;
+ } else {
+ data.network_owner=this;
+ }
+
if (data.input)
add_to_group("_vp_input"+itos(get_viewport()->get_instance_ID()));
if (data.unhandled_input)
@@ -97,6 +108,20 @@ void Node::_notification(int p_notification) {
if (data.unhandled_key_input)
remove_from_group("_vp_unhandled_key_input"+itos(get_viewport()->get_instance_ID()));
+
+ data.pause_owner=NULL;
+ data.network_owner=NULL;
+ if (data.path_cache) {
+ memdelete(data.path_cache);
+ data.path_cache=NULL;
+ }
+ } break;
+ case NOTIFICATION_PATH_CHANGED: {
+
+ if (data.path_cache) {
+ memdelete(data.path_cache);
+ data.path_cache=NULL;
+ }
} break;
case NOTIFICATION_READY: {
@@ -412,6 +437,200 @@ void Node::_propagate_pause_owner(Node*p_owner) {
}
}
+void Node::set_network_mode(NetworkMode p_mode) {
+
+ if (data.network_mode==p_mode)
+ return;
+
+ bool prev_inherits=data.network_mode==NETWORK_MODE_INHERIT;
+ data.network_mode=p_mode;
+ if (!is_inside_tree())
+ return; //pointless
+ if ((data.network_mode==NETWORK_MODE_INHERIT) == prev_inherits)
+ return; ///nothing changed
+
+ Node *owner=NULL;
+
+ if (data.network_mode==NETWORK_MODE_INHERIT) {
+
+ if (data.parent)
+ owner=data.parent->data.network_owner;
+ } else {
+ owner=this;
+ }
+
+ _propagate_network_owner(owner);
+
+
+
+}
+
+Node::NetworkMode Node::get_network_mode() const {
+
+ return data.network_mode;
+}
+
+bool Node::is_network_master() const {
+
+ ERR_FAIL_COND_V(!is_inside_tree(),false);
+
+ switch(data.network_mode) {
+ case NETWORK_MODE_INHERIT: {
+
+ if (data.network_owner)
+ return data.network_owner->is_network_master();
+ else
+ return get_tree()->is_network_server();
+ } break;
+ case NETWORK_MODE_MASTER: {
+
+ return true;
+ } break;
+ case NETWORK_MODE_SLAVE: {
+ return false;
+ } break;
+ }
+
+ return false;
+}
+
+void Node::allow_remote_call(const StringName& p_method) {
+
+ data.allowed_remote_calls.insert(p_method);
+}
+
+void Node::disallow_remote_call(const StringName& p_method){
+
+ data.allowed_remote_calls.erase(p_method);
+
+}
+
+void Node::allow_remote_set(const StringName& p_property){
+
+ data.allowed_remote_set.insert(p_property);
+
+}
+void Node::disallow_remote_set(const StringName& p_property){
+
+ data.allowed_remote_set.erase(p_property);
+}
+
+
+void Node::_propagate_network_owner(Node*p_owner) {
+
+ if (data.network_mode!=NETWORK_MODE_INHERIT)
+ return;
+ data.network_owner=p_owner;
+ for(int i=0;i<data.children.size();i++) {
+
+ data.children[i]->_propagate_network_owner(p_owner);
+ }
+}
+
+void Node::remote_call_reliable(const StringName& p_method,VARIANT_ARG_DECLARE) {
+
+
+ VARIANT_ARGPTRS;
+
+ int argc=0;
+ for(int i=0;i<VARIANT_ARG_MAX;i++) {
+ if (argptr[i]->get_type()==Variant::NIL)
+ break;
+ argc++;
+ }
+
+ remote_call_reliablep(p_method,argptr,argc);
+}
+
+void Node::remote_call_reliablep(const StringName& p_method,const Variant** p_arg,int p_argcount){
+
+ ERR_FAIL_COND(!is_inside_tree());
+ get_tree()->_remote_call(this,true,false,p_method,p_arg,p_argcount);
+}
+
+void Node::remote_call_unreliable(const StringName& p_method,VARIANT_ARG_DECLARE){
+
+ VARIANT_ARGPTRS;
+
+ int argc=0;
+ for(int i=0;i<VARIANT_ARG_MAX;i++) {
+ if (argptr[i]->get_type()==Variant::NIL)
+ break;
+ argc++;
+ }
+
+ remote_call_unreliablep(p_method,argptr,argc);
+
+}
+
+void Node::remote_call_unreliablep(const StringName& p_method,const Variant** p_arg,int p_argcount){
+
+ ERR_FAIL_COND(!is_inside_tree());
+
+ get_tree()->_remote_call(this,false,false,p_method,p_arg,p_argcount);
+}
+
+void Node::remote_set_reliable(const StringName& p_property,const Variant& p_value) {
+
+
+ ERR_FAIL_COND(!is_inside_tree());
+ const Variant *ptr=&p_value;
+
+ get_tree()->_remote_call(this,true,true,p_property,&ptr,1);
+}
+
+void Node::remote_set_unreliable(const StringName& p_property,const Variant& p_value){
+
+ ERR_FAIL_COND(!is_inside_tree());
+ const Variant *ptr=&p_value;
+
+ get_tree()->_remote_call(this,false,true,p_property,&ptr,1);
+}
+
+Variant Node::_remote_call_reliable_bind(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
+
+ if (p_argcount<1) {
+ r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+ r_error.argument=1;
+ return Variant();
+ }
+
+ if (p_args[0]->get_type()!=Variant::STRING) {
+ r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+ r_error.argument=0;
+ r_error.expected=Variant::STRING;
+ return Variant();
+ }
+
+ StringName method = *p_args[0];
+
+ remote_call_reliablep(method,&p_args[1],p_argcount-1);
+
+}
+
+
+Variant Node::_remote_call_unreliable_bind(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
+
+ if (p_argcount<1) {
+ r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+ r_error.argument=1;
+ return Variant();
+ }
+
+ if (p_args[0]->get_type()!=Variant::STRING) {
+ r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+ r_error.argument=0;
+ r_error.expected=Variant::STRING;
+ return Variant();
+ }
+
+ StringName method = *p_args[0];
+
+ remote_call_unreliablep(method,&p_args[1],p_argcount-1);
+
+}
+
+
bool Node::can_process() const {
ERR_FAIL_COND_V( !is_inside_tree(), false );
@@ -567,6 +786,8 @@ void Node::set_name(const String& p_name) {
data.parent->_validate_child_name(this);
}
+ propagate_notification(NOTIFICATION_PATH_CHANGED);
+
if (is_inside_tree()) {
emit_signal("renamed");
@@ -1210,6 +1431,10 @@ NodePath Node::get_path_to(const Node *p_node) const {
NodePath Node::get_path() const {
ERR_FAIL_COND_V(!is_inside_tree(),NodePath());
+
+ if (data.path_cache)
+ return *data.path_cache;
+
const Node *n = this;
Vector<StringName> path;
@@ -1221,7 +1446,9 @@ NodePath Node::get_path() const {
path.invert();
- return NodePath( path, true );
+ data.path_cache = memnew( NodePath( path, true ) );
+
+ return *data.path_cache;
}
bool Node::is_in_group(const StringName& p_identifier) const {
@@ -2212,8 +2439,16 @@ void Node::_bind_methods() {
ObjectTypeDB::bind_method(_MD("queue_free"),&Node::queue_delete);
+ ObjectTypeDB::bind_method(_MD("set_network_mode","mode"),&Node::set_network_mode);
+ ObjectTypeDB::bind_method(_MD("get_network_mode"),&Node::get_network_mode);
+
+ ObjectTypeDB::bind_method(_MD("is_network_master"),&Node::is_network_master);
+ ObjectTypeDB::bind_method(_MD("allow_remote_call","method"),&Node::allow_remote_call);
+ ObjectTypeDB::bind_method(_MD("disallow_remote_call","method"),&Node::disallow_remote_call);
+ ObjectTypeDB::bind_method(_MD("allow_remote_set","method"),&Node::allow_remote_set);
+ ObjectTypeDB::bind_method(_MD("disallow_remote_set","method"),&Node::disallow_remote_set);
#ifdef TOOLS_ENABLED
ObjectTypeDB::bind_method(_MD("_set_import_path","import_path"),&Node::set_import_path);
@@ -2222,6 +2457,23 @@ void Node::_bind_methods() {
#endif
+ {
+ MethodInfo mi;
+ mi.name="remote_call_reliable";
+ mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
+
+
+ ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"remote_call_reliable",&Node::_remote_call_reliable_bind,mi);
+
+ mi.name="remote_call_unreliable";
+ ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"remote_call_unreliable",&Node::_remote_call_unreliable_bind,mi);
+
+ }
+
+ ObjectTypeDB::bind_method(_MD("remote_set_reliable","property","value:Variant"),&Node::remote_set_reliable);
+ ObjectTypeDB::bind_method(_MD("remote_set_unreliable","property","value:Variant"),&Node::remote_set_unreliable);
+
+
BIND_CONSTANT( NOTIFICATION_ENTER_TREE );
BIND_CONSTANT( NOTIFICATION_EXIT_TREE );
BIND_CONSTANT( NOTIFICATION_MOVED_IN_PARENT );
@@ -2236,6 +2488,8 @@ void Node::_bind_methods() {
BIND_CONSTANT( NOTIFICATION_INSTANCED );
BIND_CONSTANT( NOTIFICATION_DRAG_BEGIN );
BIND_CONSTANT( NOTIFICATION_DRAG_END );
+ BIND_CONSTANT( NOTIFICATION_PATH_CHANGED);
+
@@ -2252,6 +2506,7 @@ void Node::_bind_methods() {
//ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "process/input" ), _SCS("set_process_input"),_SCS("is_processing_input" ) );
//ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "process/unhandled_input" ), _SCS("set_process_unhandled_input"),_SCS("is_processing_unhandled_input" ) );
ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "process/pause_mode",PROPERTY_HINT_ENUM,"Inherit,Stop,Process" ), _SCS("set_pause_mode"),_SCS("get_pause_mode" ) );
+ ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "process/network_mode",PROPERTY_HINT_ENUM,"Inherit,Master,Slave" ), _SCS("set_network_mode"),_SCS("get_network_mode" ) );
ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "editor/display_folded",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR ), _SCS("set_display_folded"),_SCS("is_displayed_folded" ) );
BIND_VMETHOD( MethodInfo("_process",PropertyInfo(Variant::REAL,"delta")) );
@@ -2286,11 +2541,15 @@ Node::Node() {
data.unhandled_key_input=false;
data.pause_mode=PAUSE_MODE_INHERIT;
data.pause_owner=NULL;
+ data.network_mode=NETWORK_MODE_INHERIT;
+ data.network_owner=NULL;
+ data.path_cache=NULL;
data.parent_owned=false;
data.in_constructor=true;
data.viewport=NULL;
data.use_placeholder=false;
data.display_folded=false;
+
}
Node::~Node() {
diff --git a/scene/main/node.h b/scene/main/node.h
index 18e403cd61..761725286e 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -53,6 +53,12 @@ public:
PAUSE_MODE_PROCESS
};
+ enum NetworkMode {
+
+ NETWORK_MODE_INHERIT,
+ NETWORK_MODE_MASTER,
+ NETWORK_MODE_SLAVE
+ };
struct Comparator {
@@ -68,6 +74,7 @@ private:
GroupData() { persistent=false; }
};
+
struct Data {
String filename;
@@ -98,6 +105,13 @@ private:
PauseMode pause_mode;
Node *pause_owner;
+
+ NetworkMode network_mode;
+ Node *network_owner;
+ Set<StringName> allowed_remote_calls;
+ Set<StringName> allowed_remote_set;
+
+
// variables used to properly sort the node when processing, ignored otherwise
//should move all the stuff below to bits
bool fixed_process;
@@ -113,6 +127,8 @@ private:
bool display_folded;
+ mutable NodePath *path_cache;
+
} data;
@@ -134,6 +150,7 @@ private:
void _propagate_validate_owner();
void _print_stray_nodes();
void _propagate_pause_owner(Node*p_owner);
+ void _propagate_network_owner(Node*p_owner);
Array _get_node_and_resource(const NodePath& p_path);
void _duplicate_signals(const Node* p_original,Node* p_copy) const;
@@ -143,6 +160,9 @@ private:
Array _get_children() const;
Array _get_groups() const;
+ Variant _remote_call_reliable_bind(const Variant** p_args, int p_argcount, Variant::CallError& r_error);
+ Variant _remote_call_unreliable_bind(const Variant** p_args, int p_argcount, Variant::CallError& r_error);
+
friend class SceneTree;
void _set_tree(SceneTree *p_tree);
@@ -186,6 +206,7 @@ public:
NOTIFICATION_INSTANCED=20,
NOTIFICATION_DRAG_BEGIN=21,
NOTIFICATION_DRAG_END=22,
+ NOTIFICATION_PATH_CHANGED=23,
};
/* NODE/TREE */
@@ -331,7 +352,27 @@ public:
void set_display_folded(bool p_folded);
bool is_displayed_folded() const;
- /* CANVAS */
+ /* NETWORK */
+
+ void set_network_mode(NetworkMode p_mode);
+ NetworkMode get_network_mode() const;
+ bool is_network_master() const;
+
+ void allow_remote_call(const StringName& p_method);
+ void disallow_remote_call(const StringName& p_method);
+
+ void allow_remote_set(const StringName& p_property);
+ void disallow_remote_set(const StringName& p_property);
+
+ void remote_call_reliable(const StringName& p_method,VARIANT_ARG_DECLARE);
+ void remote_call_reliablep(const StringName& p_method,const Variant** p_arg,int p_argcount);
+
+ void remote_call_unreliable(const StringName& p_method,VARIANT_ARG_DECLARE);
+ void remote_call_unreliablep(const StringName& p_method,const Variant** p_arg,int p_argcount);
+
+ void remote_set_reliable(const StringName& p_property,const Variant& p_value);
+ void remote_set_unreliable(const StringName& p_property,const Variant& p_value);
+
Node();
~Node();
diff --git a/scene/main/scene_main_loop.cpp b/scene/main/scene_main_loop.cpp
index 77156203b8..6af2b9b169 100644
--- a/scene/main/scene_main_loop.cpp
+++ b/scene/main/scene_main_loop.cpp
@@ -545,6 +545,8 @@ bool SceneTree::idle(float p_time){
idle_process_time=p_time;
+ _network_poll();
+
emit_signal("idle_frame");
_flush_transform_notifications();
@@ -1655,6 +1657,322 @@ Ref<SceneTreeTimer> SceneTree::create_timer(float p_delay_sec) {
return stt;
}
+void SceneTree::_network_peer_connected(const StringName& p_id) {
+
+
+ connected_peers.insert(p_id);
+ path_get_cache.insert(p_id,PathGetCache());
+ emit_signal("network_peer_connected",p_id);
+}
+
+void SceneTree::_network_peer_disconnected(const StringName& p_id) {
+
+ connected_peers.erase(p_id);
+ path_get_cache.erase(p_id); //I no longer need your cache, sorry
+ emit_signal("network_peer_disconnected",p_id);
+}
+
+void SceneTree::set_network_peer(const Ref<NetworkedMultiplayerPeer>& p_network_peer) {
+ if (network_peer.is_valid()) {
+ network_peer->disconnect("peer_connected",this,"_network_peer_connected");
+ network_peer->disconnect("peer_disconnected",this,"_network_peer_disconnected");
+ connected_peers.clear();
+ path_get_cache.clear();
+ path_send_cache.clear();
+ last_send_cache_id=1;
+ }
+
+ ERR_EXPLAIN("Supplied NetworkedNetworkPeer must be connecting or connected.");
+ ERR_FAIL_COND(p_network_peer.is_valid() && p_network_peer->get_connection_status()==NetworkedMultiplayerPeer::CONNECTION_DISCONNECTED);
+
+ network_peer=p_network_peer;
+
+ if (network_peer.is_valid()) {
+ network_peer->connect("peer_connected",this,"_network_peer_connected");
+ network_peer->connect("peer_disconnected",this,"_network_peer_disconnected");
+ }
+}
+
+bool SceneTree::is_network_server() const {
+
+ ERR_FAIL_COND_V(!network_peer.is_valid(),false);
+ return network_peer->is_server();
+
+}
+
+void SceneTree::_remote_call(Node* p_from, bool p_reliable, bool p_set, const StringName& p_name, const Variant** p_arg, int p_argcount) {
+
+ if (network_peer.is_null()) {
+ ERR_EXPLAIN("Attempt to remote call/set when networking is not active in SceneTree.");
+ ERR_FAIL();
+ }
+
+ if (network_peer->get_connection_status()==NetworkedMultiplayerPeer::CONNECTION_CONNECTING) {
+ ERR_EXPLAIN("Attempt to remote call/set when networking is not connected yet in SceneTree.");
+ ERR_FAIL();
+ }
+
+ if (network_peer->get_connection_status()==NetworkedMultiplayerPeer::CONNECTION_DISCONNECTED) {
+ ERR_EXPLAIN("Attempt to remote call/set when networking is disconnected.");
+ ERR_FAIL();
+ }
+
+ NodePath from_path = p_from->get_path();
+ ERR_FAIL_COND(from_path.is_empty());
+
+ //create base packet
+ Array message;
+
+ message.resize(3+p_argcount); //alloc size for args
+
+ //set message type
+ if (p_set) {
+ message[0]=NETWORK_COMMAND_REMOTE_SET;
+ } else {
+ message[0]=NETWORK_COMMAND_REMOTE_CALL;
+ }
+
+ //set message name
+ message[2]=p_name;
+
+ //set message args
+ for(int i=0;i<p_argcount;i++) {
+ message[3+i]=*p_arg[i];
+ }
+
+ //see if the path is cached
+ PathSentCache *psc = path_send_cache.getptr(from_path);
+ if (!psc) {
+ //path is not cached, create
+ path_send_cache[from_path]=PathSentCache();
+ psc = path_send_cache.getptr(from_path);
+ psc->id=last_send_cache_id++;
+
+ }
+
+ //see if all peers have cached path (is so, call can be fast)
+ bool has_all_peers=true;
+
+ List<StringName> peers_to_add; //if one is missing, take note to add it
+
+ for (Set<StringName>::Element *E=connected_peers.front();E;E=E->next()) {
+
+ Map<StringName,bool>::Element *F = psc->confirmed_peers.find(E->get());
+
+ if (!F || F->get()==false) {
+ //path was not cached, or was cached but is unconfirmed
+ if (!F) {
+ //not cached at all, take note
+ peers_to_add.push_back(E->get());
+ }
+
+ has_all_peers=false;
+ break;
+ }
+ }
+
+ //those that need to be added, send a message for this
+
+ for (List<StringName>::Element *E=peers_to_add.front();E;E=E->next()) {
+
+ Array add_path_message;
+ add_path_message.resize(3);
+ add_path_message[0]=NETWORK_COMMAND_SIMPLIFY_PATH;
+ add_path_message[1]=from_path;
+ add_path_message[2]=psc->id;
+
+ network_peer->set_target_peer(E->get()); //to all of you
+ network_peer->set_transfer_mode(NetworkedMultiplayerPeer::TRANSFER_MODE_ORDERED);
+ network_peer->put_var(add_path_message); //a message with love
+
+ psc->confirmed_peers.insert(E->get(),false); //insert into confirmed, but as false since it was not confirmed
+ }
+
+ //take chance and set transfer mode, since all send methods will use it
+ network_peer->set_transfer_mode(p_reliable ? NetworkedMultiplayerPeer::TRANSFER_MODE_ORDERED : NetworkedMultiplayerPeer::TRANSFER_MODE_UNRELIABLE);
+
+ if (has_all_peers) {
+
+ //they all have verified paths, so send fast
+ message[1]=psc->id;
+
+ network_peer->set_target_peer(StringName()); //to all of you
+ network_peer->put_var(message); //a message with love
+ } else {
+ //not all verified path, so send one by one
+ for (Set<StringName>::Element *E=connected_peers.front();E;E=E->next()) {
+
+ Map<StringName,bool>::Element *F = psc->confirmed_peers.find(E->get());
+ ERR_CONTINUE(!F);//should never happen
+
+ network_peer->set_target_peer(E->get()); //to this one specifically
+
+ if (F->get()==true) {
+ //this one confirmed path, so use id
+ message[1]=psc->id;
+ } else {
+ //this one did not confirm path yet, so use entire path (sorry!)
+ message[1]=from_path;
+ }
+
+ network_peer->put_var(message);
+ }
+ }
+}
+
+
+void SceneTree::_network_process_packet(const StringName& p_from,const Array& p_packet) {
+
+ ERR_FAIL_COND(p_packet.empty());
+
+ int packet_type = p_packet[0];
+
+ switch(packet_type) {
+
+ case NETWORK_COMMAND_REMOTE_CALL:
+ case NETWORK_COMMAND_REMOTE_SET: {
+
+ ERR_FAIL_COND(p_packet.size()<3);
+ Variant target = p_packet[1];
+ Node* node=NULL;
+
+ if (target.get_type()==Variant::NODE_PATH) {
+ NodePath np = target;
+ node = get_root()->get_node(np);
+ if (node==NULL) {
+ ERR_EXPLAIN("Failed to get path from RPC: "+String(np));
+ ERR_FAIL_COND(node==NULL);
+ }
+ } else if (target.get_type()==Variant::INT) {
+
+ int id = target;
+
+ Map<StringName,PathGetCache>::Element *E=path_get_cache.find(p_from);
+ ERR_FAIL_COND(!E);
+
+ Map<int,PathGetCache::NodeInfo>::Element *F=E->get().nodes.find(id);
+ ERR_FAIL_COND(!F);
+
+ PathGetCache::NodeInfo *ni = &F->get();
+ //do proper caching later
+
+ node = get_root()->get_node(ni->path);
+ if (node==NULL) {
+ ERR_EXPLAIN("Failed to get cached path from RPC: "+String(ni->path));
+ ERR_FAIL_COND(node==NULL);
+ }
+
+
+ } else {
+ ERR_FAIL();
+ }
+
+ StringName name = p_packet[2];
+
+ if (packet_type==NETWORK_COMMAND_REMOTE_CALL) {
+
+ int argc = p_packet.size()-3;
+ Vector<Variant> args;
+ Vector<const Variant*> argp;
+ args.resize(argc);
+ argp.resize(argc);
+
+ for(int i=0;i<argc;i++) {
+ args[i]=p_packet[3+i];
+ argp[i]=&args[i];
+ }
+
+ Variant::CallError ce;
+
+ node->call(name,argp.ptr(),argc,ce);
+ if (ce.error!=Variant::CallError::CALL_OK) {
+ String error = Variant::get_call_error_text(node,name,argp.ptr(),argc,ce);
+ ERR_PRINTS(error);
+ }
+
+ } else {
+
+
+ ERR_FAIL_COND(p_packet.size()!=4);
+ Variant value = p_packet[3];
+ bool valid;
+
+ node->set(name,value,&valid);
+ if (!valid) {
+ String error = "Error setting remote property '"+String(name)+"', not found in object of type "+node->get_type();
+ ERR_PRINTS(error);
+ }
+ }
+
+ } break;
+ case NETWORK_COMMAND_SIMPLIFY_PATH: {
+
+ ERR_FAIL_COND(p_packet.size()!=3);
+ NodePath path = p_packet[1];
+ int id = p_packet[2];
+
+ if (!path_get_cache.has(p_from)) {
+ path_get_cache[p_from]=PathGetCache();
+ }
+
+ PathGetCache::NodeInfo ni;
+ ni.path=path;
+ ni.instance=0;
+
+ path_get_cache[p_from].nodes[id]=ni;
+
+ network_peer->set_transfer_mode(NetworkedMultiplayerPeer::TRANSFER_MODE_ORDERED);
+ network_peer->set_target_peer(p_from);
+
+ Array message;
+ message.resize(2);
+ message[0]=NETWORK_COMMAND_CONFIRM_PATH;
+ message[1]=path;
+
+ network_peer->put_var(message);
+ } break;
+ case NETWORK_COMMAND_CONFIRM_PATH: {
+ ERR_FAIL_COND(p_packet.size()!=2);
+ NodePath path = p_packet[1];
+
+ PathSentCache *psc = path_send_cache.getptr(path);
+ ERR_FAIL_COND(!psc);
+
+ Map<StringName,bool>::Element *E=psc->confirmed_peers.find(p_from);
+ ERR_FAIL_COND(!E);
+ E->get()=true;
+ } break;
+ }
+
+}
+
+void SceneTree::_network_poll() {
+
+ if (!network_peer.is_valid())
+ return;
+
+ network_peer->poll();
+
+ while(network_peer->get_available_packet_count()) {
+
+ StringName sender = network_peer->get_packet_peer();
+ Variant packet;
+ Error err = network_peer->get_var(packet);
+ if (err!=OK) {
+ ERR_PRINT("Error getting packet!");
+ }
+ if (packet.get_type()!=Variant::ARRAY) {
+
+ ERR_PRINT("Error getting packet! (not an array)");
+ }
+
+ _network_process_packet(sender,packet);
+ }
+
+
+}
+
+
void SceneTree::_bind_methods() {
@@ -1722,6 +2040,12 @@ void SceneTree::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_change_scene"),&SceneTree::_change_scene);
+
+ ObjectTypeDB::bind_method(_MD("set_network_peer","peer:NetworkedMultiplayerPeer"),&SceneTree::set_network_peer);
+ ObjectTypeDB::bind_method(_MD("is_network_server","is_network_server"),&SceneTree::is_network_server);
+ ObjectTypeDB::bind_method(_MD("_network_peer_connected"),&SceneTree::_network_peer_connected);
+ ObjectTypeDB::bind_method(_MD("_network_peer_disconnected"),&SceneTree::_network_peer_disconnected);
+
ADD_SIGNAL( MethodInfo("tree_changed") );
ADD_SIGNAL( MethodInfo("node_removed",PropertyInfo( Variant::OBJECT, "node") ) );
ADD_SIGNAL( MethodInfo("screen_resized") );
@@ -1731,6 +2055,8 @@ void SceneTree::_bind_methods() {
ADD_SIGNAL( MethodInfo("fixed_frame"));
ADD_SIGNAL( MethodInfo("files_dropped",PropertyInfo(Variant::STRING_ARRAY,"files"),PropertyInfo(Variant::INT,"screen")) );
+ ADD_SIGNAL( MethodInfo("network_peer_connected",PropertyInfo(Variant::STRING,"id")));
+ ADD_SIGNAL( MethodInfo("network_peer_disconnected",PropertyInfo(Variant::STRING,"id")));
BIND_CONSTANT( GROUP_CALL_DEFAULT );
BIND_CONSTANT( GROUP_CALL_REVERSE );
@@ -1831,6 +2157,8 @@ SceneTree::SceneTree() {
live_edit_root=NodePath("/root");
+ last_send_cache_id=1;
+
#endif
diff --git a/scene/main/scene_main_loop.h b/scene/main/scene_main_loop.h
index 6129a12446..f67dae01be 100644
--- a/scene/main/scene_main_loop.h
+++ b/scene/main/scene_main_loop.h
@@ -35,6 +35,9 @@
#include "scene/resources/world_2d.h"
#include "os/thread_safe.h"
#include "self_list.h"
+#include "io/networked_multiplayer_peer.h"
+
+
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
@@ -173,9 +176,53 @@ private:
List<Ref<SceneTreeTimer> > timers;
+
+ ///network///
+
+ enum NetworkCommands {
+ NETWORK_COMMAND_REMOTE_CALL,
+ NETWORK_COMMAND_REMOTE_SET,
+ NETWORK_COMMAND_SIMPLIFY_PATH,
+ NETWORK_COMMAND_CONFIRM_PATH,
+ };
+
+ Ref<NetworkedMultiplayerPeer> network_peer;
+
+ Set<StringName> connected_peers;
+ void _network_peer_connected(const StringName& p_id);
+ void _network_peer_disconnected(const StringName& p_id);
+
+ //path sent caches
+ struct PathSentCache {
+ Map<StringName,bool> confirmed_peers;
+ int id;
+ };
+
+ HashMap<NodePath,PathSentCache> path_send_cache;
+ int last_send_cache_id;
+
+ //path get caches
+ struct PathGetCache {
+ struct NodeInfo {
+ NodePath path;
+ ObjectID instance;
+ };
+
+ Map<int,NodeInfo> nodes;
+ };
+
+ Map<StringName,PathGetCache> path_get_cache;
+
+ void _network_process_packet(const StringName &p_from, const Array& p_packet);
+ void _network_poll();
+
static SceneTree *singleton;
friend class Node;
+
+
+ void _remote_call(Node* p_from,bool p_reliable,bool p_set,const StringName& p_name,const Variant** p_arg,int p_argcount);
+
void tree_changed();
void node_removed(Node *p_node);
@@ -251,6 +298,7 @@ friend class Viewport;
#endif
protected:
+
void _notification(int p_notification);
static void _bind_methods();
@@ -366,6 +414,11 @@ public:
void drop_files(const Vector<String>& p_files,int p_from_screen=0);
+ //network API
+
+ void set_network_peer(const Ref<NetworkedMultiplayerPeer>& p_network_peer);
+ bool is_network_server() const;
+
SceneTree();
~SceneTree();