Merge branch 'master' into issue_#5

dll/base.h

@@ -93,6 +93,7 @@ struct Steam_Call_Result {
     Steam_Call_Result(SteamAPICall_t a, int icb, void *r, unsigned int s, double r_in, bool run_cc_cb) {
         api_call = a;
         result.resize(s);
+        if (s > 0 && r != NULL)
             memcpy(&(result[0]), r, s);
         created = std::chrono::high_resolution_clock::now();
         run_in = r_in;

dll/local_storage.cpp

@@ -192,6 +192,8 @@ static std::vector<struct File_Data> get_filenames(std::string strPath)
 
 static std::vector<struct File_Data> get_filenames_recursive(std::string base_path)
 {
+    if (base_path.back() == *PATH_SEPARATOR)
+        base_path.pop_back();
     std::vector<struct File_Data> output;
     std::string strPath = base_path;
     strPath = strPath.append("\\*");
@@ -211,11 +213,11 @@ static std::vector<struct File_Data> get_filenames_recursive(std::string base_pa
                 std::string dir_name = ffd.cFileName;
 
                 std::string path = base_path;
-                path += "\\";
+                path += PATH_SEPARATOR;
                 path += dir_name;
 
                 std::vector<struct File_Data> lower = get_filenames_recursive(path);
-                std::transform(lower.begin(), lower.end(), std::back_inserter(output), [dir_name](File_Data f) {f.name = dir_name + "\\" + f.name; return f;});
+                std::transform(lower.begin(), lower.end(), std::back_inserter(output), [&dir_name](File_Data f) {f.name = dir_name + "\\" + f.name; return f;});
             } else {
                 File_Data f;
                 f.name = ffd.cFileName;
@@ -354,7 +356,7 @@ static std::vector<struct File_Data> get_filenames_recursive(std::string base_pa
                 path += dir_name;
 
                 std::vector<struct File_Data> lower = get_filenames_recursive(path);
-                std::transform(lower.begin(), lower.end(), std::back_inserter(output), [dir_name](File_Data f) {f.name = dir_name + "/" + f.name; return f;});
+                std::transform(lower.begin(), lower.end(), std::back_inserter(output), [&dir_name](File_Data f) {f.name = dir_name + "/" + f.name; return f;});
             }
         }
     }
@@ -584,7 +586,19 @@ bool Local_Storage::file_exists(std::string folder, std::string file)
 
     std::string full_path = save_directory + appid + folder + file;
     struct stat buffer;   
-    return (stat (full_path.c_str(), &buffer) == 0);
+
+    if (stat(full_path.c_str(), &buffer) != 0)
+        return false;
+
+#if defined(STEAM_WIN32)
+    if ( buffer.st_mode & _S_IFDIR)
+        return false;
+#else
+    if (S_ISDIR(buffer.st_mode))
+        return false;
+#endif
+
+    return true;
 }
 
 unsigned int Local_Storage::file_size(std::string folder, std::string file)

dll/net.proto

@@ -176,10 +176,14 @@ message Auth_Ticket {
 message Friend_Messages {
     enum Types {
         LOBBY_INVITE = 0;
+        GAME_INVITE = 1;
     }
 
     Types type = 1;
+    oneof invite_data {
         uint64 lobby_id = 2;
+        bytes connect_str = 3;
+    }
 }
 
 message Common_Message {

dll/network.cpp

@@ -379,7 +379,10 @@ unsigned int receive_buffer_amount(sock_t sock)
 
 static void send_tcp_pending(struct TCP_Socket &socket)
 {
-    int len = send(socket.sock, &(socket.send_buffer[0]), socket.send_buffer.size(), MSG_NOSIGNAL);
+    size_t buf_size = socket.send_buffer.size();
+    if (buf_size == 0) return;
+
+    int len = send(socket.sock, &(socket.send_buffer[0]), buf_size, MSG_NOSIGNAL);
     if (len <= 0) return;
 
     socket.send_buffer.erase(socket.send_buffer.begin(), socket.send_buffer.begin() + len);

dll/steam_friends.h

@@ -545,6 +545,7 @@ void SetPlayedWith( CSteamID steamIDUserPlayedWith )
 void ActivateGameOverlayInviteDialog( CSteamID steamIDLobby )
 {
     PRINT_DEBUG("Steam_Friends::ActivateGameOverlayInviteDialog\n");
+    // TODO: Here open the overlay
 }
 
 // gets the small (32x32) avatar of the current user, which is a handle to be used in IClientUtils::GetImageRGBA(), or 0 if none set
@@ -775,8 +776,18 @@ void RequestFriendRichPresence( CSteamID steamIDFriend )
 bool InviteUserToGame( CSteamID steamIDFriend, const char *pchConnectString )
 {
     PRINT_DEBUG("Steam_Friends::InviteUserToGame\n");
-    //TODO
+    std::lock_guard<std::recursive_mutex> lock(global_mutex);
-    return true;
+    Friend *f = find_friend(steamIDFriend);
+    if (!f) return false;
+
+    Common_Message msg;
+    Friend_Messages *friend_messages = new Friend_Messages();
+    friend_messages->set_type(Friend_Messages::GAME_INVITE);
+    friend_messages->set_connect_str(pchConnectString);
+    msg.set_allocated_friend_messages(friend_messages);
+    msg.set_source_id(settings->get_local_steam_id().ConvertToUint64());
+    msg.set_dest_id(steamIDFriend.ConvertToUint64());
+    return network->sendTo(&msg, true);
 }
 
 
@@ -1021,6 +1032,16 @@ void Callback(Common_Message *msg)
             data.m_steamIDFriend = CSteamID((uint64)msg->source_id());
             callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
         }
+
+        if (msg->friend_messages().type() == Friend_Messages::GAME_INVITE) {
+            PRINT_DEBUG("Steam_Friends Got Game Invite\n");
+            //TODO: I'm pretty sure that the user should accept the invite before this is posted but we do like above
+            std::string const& connect_str = msg->friend_messages().connect_str();
+            GameRichPresenceJoinRequested_t data = {};
+            data.m_steamIDFriend = CSteamID((uint64)msg->source_id());
+            strncpy(data.m_rgchConnect, connect_str.c_str(), k_cchMaxRichPresenceValueLength - 1);
+            callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
+        }
     }
 }