From 2a84562dc85516f432bb1e5de9add23c28b26ce4 Mon Sep 17 00:00:00 2001
From: Treeston <treeston.mmoc@gmail.com>
Date: Fri, 6 Apr 2018 18:09:55 +0200
Subject: Core/Movement: Replace old TargetedMovementGenerator into
 ChaseMovementGenerator and FollowMovementGenerator, full rewrite for both.

- Chase to angle is now functional. Pets use this to chase behind the target. Closes #19925.
- Chase to arbitrary range interval works. Not used anywhere, but you can technically make hunter-like mobs.
- Pets now follow the hunter cleanly and without stutter stepping. Also fix some other things. Closes #8924.
---
 src/server/scripts/Commands/cs_misc.cpp  | 15 ++++-----------
 src/server/scripts/Commands/cs_mmaps.cpp |  1 -
 src/server/scripts/Commands/cs_npc.cpp   |  4 ++--
 3 files changed, 6 insertions(+), 14 deletions(-)

(limited to 'src/server/scripts/Commands')

diff --git a/src/server/scripts/Commands/cs_misc.cpp b/src/server/scripts/Commands/cs_misc.cpp
index fb98d0a3304..4b434b03583 100644
--- a/src/server/scripts/Commands/cs_misc.cpp
+++ b/src/server/scripts/Commands/cs_misc.cpp
@@ -20,9 +20,11 @@
 #include "ArenaTeamMgr.h"
 #include "CellImpl.h"
 #include "CharacterCache.h"
+#include "ChaseMovementGenerator.h"
 #include "Chat.h"
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
+#include "FollowMovementGenerator.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "GroupMgr.h"
@@ -43,7 +45,6 @@
 #include "SpellAuras.h"
 #include "SpellHistory.h"
 #include "SpellMgr.h"
-#include "TargetedMovementGenerator.h"
 #include "Transport.h"
 #include "Weather.h"
 #include "WeatherMgr.h"
@@ -2164,11 +2165,7 @@ public:
                     break;
                 case CHASE_MOTION_TYPE:
                 {
-                    Unit* target = nullptr;
-                    if (unit->GetTypeId() == TYPEID_PLAYER)
-                        target = static_cast<ChaseMovementGenerator<Player> const*>(movementGenerator)->GetTarget();
-                    else
-                        target = static_cast<ChaseMovementGenerator<Creature> const*>(movementGenerator)->GetTarget();
+                    Unit* target = static_cast<ChaseMovementGenerator const*>(movementGenerator)->GetTarget();
 
                     if (!target)
                         handler->SendSysMessage(LANG_MOVEGENS_CHASE_NULL);
@@ -2180,11 +2177,7 @@ public:
                 }
                 case FOLLOW_MOTION_TYPE:
                 {
-                    Unit* target = nullptr;
-                    if (unit->GetTypeId() == TYPEID_PLAYER)
-                        target = static_cast<FollowMovementGenerator<Player> const*>(movementGenerator)->GetTarget();
-                    else
-                        target = static_cast<FollowMovementGenerator<Creature> const*>(movementGenerator)->GetTarget();
+                    Unit* target = static_cast<FollowMovementGenerator const*>(movementGenerator)->GetTarget();
 
                     if (!target)
                         handler->SendSysMessage(LANG_MOVEGENS_FOLLOW_NULL);
diff --git a/src/server/scripts/Commands/cs_mmaps.cpp b/src/server/scripts/Commands/cs_mmaps.cpp
index e33e17b9251..f5b35559460 100644
--- a/src/server/scripts/Commands/cs_mmaps.cpp
+++ b/src/server/scripts/Commands/cs_mmaps.cpp
@@ -34,7 +34,6 @@
 #include "Player.h"
 #include "PointMovementGenerator.h"
 #include "RBAC.h"
-#include "TargetedMovementGenerator.h"
 
 class mmaps_commandscript : public CommandScript
 {
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index 02dc899c02a..1f1f64ad8ec 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -27,6 +27,7 @@ EndScriptData */
 #include "CreatureAI.h"
 #include "CreatureGroups.h"
 #include "DatabaseEnv.h"
+#include "FollowMovementGenerator.h"
 #include "GameTime.h"
 #include "Language.h"
 #include "Log.h"
@@ -36,7 +37,6 @@ EndScriptData */
 #include "Pet.h"
 #include "Player.h"
 #include "RBAC.h"
-#include "TargetedMovementGenerator.h"                      // for HandleNpcUnFollowCommand
 #include "Transport.h"
 #include "World.h"
 #include "WorldSession.h"
@@ -1309,7 +1309,7 @@ public:
             return false;
         }
 
-        FollowMovementGenerator<Creature> const* mgen = static_cast<FollowMovementGenerator<Creature> const*>((creature->GetMotionMaster()->top()));
+        FollowMovementGenerator const* mgen = static_cast<FollowMovementGenerator const*>((creature->GetMotionMaster()->top()));
 
         if (mgen->GetTarget() != player)
         {
-- 
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