Scripts/Commands: New command ".go instance". Goes to an instance.

(cherry picked from commit 6a0870a9993f5a1016439644d4a9ab3fd89277e5)

3 files changed, 119 insertions, 1 deletions

diff --git a/src/server/game/Accounts/RBAC.h b/src/server/game/Accounts/RBAC.h
index e01b9034cd8..3f41058bcab 100644
--- a/src/server/game/Accounts/RBAC.h
+++ b/src/server/game/Accounts/RBAC.h
@@ -779,7 +779,7 @@ enum RBACPermissions
     RBAC_PERM_COMMAND_DEBUG_INSTANCESPAWN                    = 871,
     RBAC_PERM_COMMAND_SERVER_DEBUG                           = 872,
     RBAC_PERM_COMMAND_RELOAD_CREATURE_MOVEMENT_OVERRIDE      = 873,
-    // 874 previously used, do not reuse
+    RBAC_PERM_COMMAND_GO_INSTANCE                            = 874,
     RBAC_PERM_COMMAND_LOOKUP_MAP_ID                          = 875,
     RBAC_PERM_COMMAND_LOOKUP_ITEM_ID                         = 876,
     RBAC_PERM_COMMAND_LOOKUP_QUEST_ID                        = 877,
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 69d9e1ebb2f..37c77d695b7 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -1085,6 +1085,7 @@ class TC_GAME_API ObjectMgr
         ItemTemplate const* GetItemTemplate(uint32 entry) const;
         ItemTemplateContainer const& GetItemTemplateStore() const { return _itemTemplateStore; }
 
+        InstanceTemplateContainer const& GetInstanceTemplates() const { return _instanceTemplateStore; }
         InstanceTemplate const* GetInstanceTemplate(uint32 mapId) const;
 
         PetLevelInfo const* GetPetLevelInfo(uint32 creature_id, uint8 level) const;
diff --git a/src/server/scripts/Commands/cs_go.cpp b/src/server/scripts/Commands/cs_go.cpp
index 30cc0dda2a1..7c0936bf371 100644
--- a/src/server/scripts/Commands/cs_go.cpp
+++ b/src/server/scripts/Commands/cs_go.cpp
@@ -59,6 +59,7 @@ public:
             { "complaintticket",    rbac::RBAC_PERM_COMMAND_GO_COMPLAINT_TICKET,    false, &HandleGoTicketCommand<ComplaintTicket>,     "" },
             { "suggestionticket",   rbac::RBAC_PERM_COMMAND_GO_SUGGESTION_TICKET,   false, &HandleGoTicketCommand<SuggestionTicket>,    "" },
             { "offset",             rbac::RBAC_PERM_COMMAND_GO_OFFSET,              false, &HandleGoOffsetCommand,                      "" },
+            { "instance",           rbac::RBAC_PERM_COMMAND_GO_INSTANCE,            false, &HandleGoInstanceCommand,                    "" }
         };
 
         static std::vector<ChatCommand> commandTable =
@@ -628,6 +629,122 @@ public:
         player->TeleportTo(player->GetMapId(), x, y, z, o);
         return true;
     }
+
+    static bool HandleGoInstanceCommand(ChatHandler* handler, char const* args)
+    {
+        if (!*args)
+            return false;
+
+        std::vector<std::string> labels;
+
+        // tokenize and convert to lowercase
+        char* pos = const_cast<char*>(args);
+        char* last = nullptr;
+        do
+        {
+            if (*pos == ' ')
+            {
+                if (last)
+                {
+                    *pos = '\0';
+                    labels.emplace_back(last);
+                    last = nullptr;
+                }
+            }
+            else
+            {
+                if (!last)
+                    last = pos;
+                *pos = tolower(*pos);
+            }
+        } while (*++pos);
+        if (last)
+            labels.emplace_back(last);
+        // tokenizing done
+
+        uint32 mapid = 0;
+        if (labels.size() == 1)
+        {
+            try { mapid = std::stoi(labels[0]); }
+            catch (...) {}
+        }
+
+        if (!mapid)
+        {
+            std::multimap<uint32, std::pair<uint16, std::string>> matches;
+            for (auto const& pair : sObjectMgr->GetInstanceTemplates())
+            {
+                uint32 count = 0;
+                std::string const& scriptName = sObjectMgr->GetScriptName(pair.second.ScriptId);
+                for (std::string const& label : labels)
+                    if (scriptName.find(label) != std::string::npos)
+                        ++count;
+
+                if (count)
+                    matches.emplace(count, decltype(matches)::mapped_type({ pair.first, scriptName }));
+            }
+            if (matches.empty())
+            {
+                handler->SendSysMessage("No matches found for your input");
+                return false;
+            }
+            auto it = matches.rbegin();
+            uint32 maxCount = it->first;
+            mapid = it->second.first;
+            if (++it != matches.rend() && it->first == maxCount)
+            {
+                handler->SendSysMessage("Multiple matches found for your input - please specify:");
+                --it;
+                do
+                    handler->PSendSysMessage("* Map %03u: '%s'", it->second.first, it->second.second);
+                while (++it != matches.rend() && it->first == maxCount);
+                handler->SetSentErrorMessage(true);
+                return false;
+            }
+        }
+
+        ASSERT(mapid);
+
+        InstanceTemplate const* temp = sObjectMgr->GetInstanceTemplate(mapid);
+        if (!temp)
+        {
+            handler->PSendSysMessage("Map %u is not instanced", mapid);
+            handler->SetSentErrorMessage(true);
+            return false;
+        }
+        std::string const& scriptname = sObjectMgr->GetScriptName(temp->ScriptId);
+
+        AreaTriggerStruct const* entrance = sObjectMgr->GetMapEntranceTrigger(mapid);
+        if (!entrance)
+        {
+            handler->PSendSysMessage("Could not find entrance for instance %u (%s)", mapid, scriptname);
+            handler->SetSentErrorMessage(true);
+            return false;
+        }
+
+        Player* player = handler->GetSession()->GetPlayer();
+        if (player->IsInFlight())
+            player->FinishTaxiFlight();
+        else
+            player->SaveRecallPosition();
+
+        if (player->TeleportTo(entrance->target_mapId, entrance->target_X, entrance->target_Y, entrance->target_Z, entrance->target_Orientation))
+            handler->PSendSysMessage("Teleported you to entrance of mapid %u (%s)", mapid, scriptname);
+        else
+        {
+            AreaTriggerStruct const* exit = sObjectMgr->GetGoBackTrigger(mapid);
+            if (player->TeleportTo(exit->target_mapId, exit->target_X, exit->target_Y, exit->target_Z, exit->target_Orientation + M_PI))
+                handler->PSendSysMessage("Teleported you in front of entrance to mapid %u (%s)", mapid, scriptname);
+            else
+            {
+                handler->PSendSysMessage("Failed to teleport you to entrance of mapid %u (%s) - missing attunement/expansion for parent map?", mapid, scriptname);
+                handler->SetSentErrorMessage(true);
+                return false;
+            }
+        }
+
+        return true;
+    }
 };
 
 void AddSC_go_commandscript()