Scripts/Commands: New command: .debug threatinfo

# Conflicts:
#	sql/base/auth_database.sql
#	sql/old/4.3.4/auth/19_2017_06_18/2018_01_09_00_auth.sql
#	sql/old/4.3.4/world/23_2017_11_15/2018_01_09_00_world.sql
#	src/server/game/Accounts/RBAC.h
#	src/server/game/Combat/ThreatManager.h

src/server/scripts/Commands/cs_debug.cpp

@@ -39,6 +39,7 @@ EndScriptData */
 #include "PoolMgr.h"
 #include "QuestPools.h"
 #include "RBAC.h"
+#include "SpellMgr.h"
 #include "Transport.h"
 #include "WorldSession.h"
 #include <fstream>
@@ -78,6 +79,7 @@ public:
         {
             { "setbit",        rbac::RBAC_PERM_COMMAND_DEBUG_SETBIT,        false, &HandleDebugSet32BitCommand,         "" },
             { "threat",        rbac::RBAC_PERM_COMMAND_DEBUG_THREAT,        false, &HandleDebugThreatListCommand,       "" },
+            { "threatinfo",    rbac::RBAC_PERM_COMMAND_DEBUG_THREATINFO,    false, &HandleDebugThreatInfoCommand,       "" },
             { "combat",        rbac::RBAC_PERM_COMMAND_DEBUG_COMBAT,        false, &HandleDebugCombatListCommand,       "" },
             { "anim",          rbac::RBAC_PERM_COMMAND_DEBUG_ANIM,          false, &HandleDebugAnimCommand,             "" },
             { "arena",         rbac::RBAC_PERM_COMMAND_DEBUG_ARENA,         true,  &HandleDebugArenaCommand,            "" },
@@ -916,6 +918,79 @@ public:
         return true;
     }
 
+    static bool HandleDebugThreatInfoCommand(ChatHandler* handler, char const* /*args*/)
+    {
+        Unit* target = handler->getSelectedUnit();
+        if (!target)
+        {
+            handler->SendSysMessage(LANG_SELECT_CHAR_OR_CREATURE);
+            handler->SetSentErrorMessage(true);
+            return false;
+        }
+
+        handler->PSendSysMessage("Threat info for %s (%s):", target->GetName(), target->GetGUID().ToString().c_str());
+
+        ThreatManager const& mgr = target->GetThreatManager();
+
+        // _singleSchoolModifiers
+        {
+            auto& mods = mgr._singleSchoolModifiers;
+            handler->SendSysMessage(" - Single-school threat modifiers:");
+            handler->PSendSysMessage(" |-- Physical: %.2f%%", mods[SPELL_SCHOOL_NORMAL]*100.0f);
+            handler->PSendSysMessage(" |-- Holy    : %.2f%%", mods[SPELL_SCHOOL_HOLY]*100.0f);
+            handler->PSendSysMessage(" |-- Fire    : %.2f%%", mods[SPELL_SCHOOL_FIRE]*100.0f);
+            handler->PSendSysMessage(" |-- Nature  : %.2f%%", mods[SPELL_SCHOOL_NATURE]*100.0f);
+            handler->PSendSysMessage(" |-- Frost   : %.2f%%", mods[SPELL_SCHOOL_FROST]*100.0f);
+            handler->PSendSysMessage(" |-- Shadow  : %.2f%%", mods[SPELL_SCHOOL_SHADOW]*100.0f);
+            handler->PSendSysMessage(" |-- Arcane  : %.2f%%", mods[SPELL_SCHOOL_ARCANE]*100.0f);
+        }
+
+        // _multiSchoolModifiers
+        {
+            auto& mods = mgr._multiSchoolModifiers;
+            handler->PSendSysMessage("- Multi-school threat modifiers (%zu entries):", mods.size());
+            for (auto const& pair : mods)
+                handler->PSendSysMessage(" |-- Mask 0x%x: %.2f%%", uint32(pair.first), pair.second);
+        }
+
+        // _redirectInfo
+        {
+            auto const& redirectInfo = mgr._redirectInfo;
+            if (redirectInfo.empty())
+                handler->SendSysMessage(" - No redirects being applied");
+            else
+            {
+                handler->PSendSysMessage(" - %02zu redirects being applied:", redirectInfo.size());
+                for (auto const& pair : redirectInfo)
+                {
+                    Unit* unit = ObjectAccessor::GetUnit(*target, pair.first);
+                    handler->PSendSysMessage(" |-- %02u%% to %s", pair.second, unit ? unit->GetName().c_str() : pair.first.ToString().c_str());
+                }
+            }
+        }
+
+        // _redirectRegistry
+        {
+            auto const& redirectRegistry = mgr._redirectRegistry;
+            if (redirectRegistry.empty())
+                handler->SendSysMessage(" - No redirects are registered");
+            else
+            {
+                handler->PSendSysMessage(" - %02zu spells may have redirects registered", redirectRegistry.size());
+                for (auto const& outerPair : redirectRegistry) // (spellId, (guid, pct))
+                {
+                    SpellInfo const* const spell = sSpellMgr->GetSpellInfo(outerPair.first);
+                    handler->PSendSysMessage(" |-- #%06u %s (%zu entries):", outerPair.first, spell ? spell->SpellName[0] : "<unknown>", outerPair.second.size());
+                    for (auto const& innerPair : outerPair.second) // (guid, pct)
+                    {
+                        Unit* unit = ObjectAccessor::GetUnit(*target, innerPair.first);
+                        handler->PSendSysMessage("   |-- %02u%% to %s", innerPair.second, unit ? unit->GetName().c_str() : innerPair.first.ToString().c_str());
+                    }
+                }
+            }
+        }
+    }
+
     static bool HandleDebugCombatListCommand(ChatHandler* handler, char const* /*args*/)
     {
         Unit* target = handler->getSelectedUnit();