Scripts/EasternKingdoms: implement Children of Goldshire event (#20745)

* Script: Implement Childeren of Goldshire

Notes: Need to update waypoints and default location of the childeren
http://wowwiki.wikia.com/wiki/Children_of_Goldshire
(cherry picked from commit a9c853ee3fc13d1aa59bde14df8f1f0a5b035ff3)

2 files changed, 282 insertions, 0 deletions

diff --git a/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp b/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
index b4a130982d7..f09413dc16f 100644
--- a/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
+++ b/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
@@ -191,6 +191,7 @@ void AddSC_dun_morogh_area_coldridge_valley();
 void AddSC_duskwood();
 //void AddSC_eastern_plaguelands();
 void AddSC_ghostlands();
+void AddSC_goldshire();
 void AddSC_hinterlands();
 void AddSC_redridge_mountains();
 void AddSC_silverpine_forest();
@@ -382,6 +383,7 @@ void AddEasternKingdomsScripts()
     AddSC_duskwood();
     //AddSC_eastern_plaguelands();
     AddSC_ghostlands();
+    AddSC_goldshire();
     AddSC_hinterlands();
     AddSC_redridge_mountains();
     AddSC_silverpine_forest();
diff --git a/src/server/scripts/EasternKingdoms/zone_goldshire.cpp b/src/server/scripts/EasternKingdoms/zone_goldshire.cpp
new file mode 100644
index 00000000000..3ba89e98f1f
--- /dev/null
+++ b/src/server/scripts/EasternKingdoms/zone_goldshire.cpp
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptMgr.h"
+#include "CreatureAIImpl.h"
+#include "CreatureGroups.h"
+#include "GameEventMgr.h"
+#include "GameTime.h"
+#include "MotionMaster.h"
+#include "ObjectAccessor.h"
+#include "ScriptedCreature.h"
+
+enum COG_Paths
+{
+    STORMWIND_PATH  = 80500,
+    GOLDSHIRE_PATH  = 80501,
+    WOODS_PATH      = 80502,
+    HOUSE_PATH      = 80503,
+    LISA_PATH       = 80700
+};
+
+enum COG_Waypoints
+{
+    STORMWIND_WAYPOINT  = 57,
+    GOLDSHIRE_WAYPOINT  = 32,
+    WOODS_WAYPOINT      = 22,
+    HOUSE_WAYPOINT      = 35,
+    LISA_WAYPOINT       = 4
+};
+
+enum COG_Sounds
+{
+    BANSHEE_DEATH           = 1171,
+    BANSHEEPREAGGRO         = 1172,
+    CTHUN_YOU_WILL_DIE      = 8585,
+    CTHUN_DEATH_IS_CLOSE    = 8580,
+    HUMAN_FEMALE_EMOTE_CRY  = 6916,
+    GHOSTDEATH              = 3416
+};
+
+enum COG_Creatures
+{
+    NPC_DANA    = 804,
+    NPC_CAMERON = 805,
+    NPC_JOHN    = 806,
+    NPC_LISA    = 807,
+    NPC_AARON   = 810,
+    NPC_JOSE    = 811
+};
+
+enum COG_Events
+{
+    EVENT_WP_START_GOLDSHIRE    = 1,
+    EVENT_WP_START_WOODS        = 2,
+    EVENT_WP_START_HOUSE        = 3,
+    EVENT_WP_START_LISA         = 4,
+    EVENT_PLAY_SOUNDS           = 5,
+    EVENT_BEGIN_EVENT           = 6
+};
+
+enum COG_GameEvent
+{
+    GAME_EVENT_CHILDEREN_OF_GOLDSHIRE = 76
+};
+
+struct npc_cameron : public ScriptedAI
+{
+    npc_cameron(Creature* creature) : ScriptedAI(creature)
+    {
+        _started = false;
+    }
+
+    static uint32 SoundPicker()
+    {
+        return RAND(
+            BANSHEE_DEATH,
+            BANSHEEPREAGGRO,
+            CTHUN_YOU_WILL_DIE,
+            CTHUN_DEATH_IS_CLOSE,
+            HUMAN_FEMALE_EMOTE_CRY,
+            GHOSTDEATH
+        );
+    }
+
+    void MoveTheChildren()
+    {
+        std::vector<Position> MovePosPositions =
+        {
+            { -9373.521f, -67.71767f, 69.201965f, 1.117011f },
+            { -9374.94f, -62.51654f, 69.201965f, 5.201081f },
+            { -9371.013f, -71.20811f, 69.201965f, 1.937315f },
+            { -9368.419f, -66.47543f, 69.201965f, 3.141593f },
+            { -9372.376f, -65.49946f, 69.201965f, 4.206244f },
+            { -9377.477f, -67.8297f, 69.201965f, 0.296706f }
+        };
+
+        Trinity::Containers::RandomShuffle(MovePosPositions);
+
+        // first we break formation because children will need to move on their own now
+        for (ObjectGuid guid : _childrenGUIDs)
+            if (Creature* child = ObjectAccessor::GetCreature(*me, guid))
+                if (child->GetFormation())
+                    child->GetFormation()->RemoveMember(child);
+
+        // Move each child to an random position
+        for (uint32 i = 0; i < _childrenGUIDs.size(); ++i)
+        {
+            if (Creature* children = ObjectAccessor::GetCreature(*me, _childrenGUIDs[i]))
+            {
+                children->SetWalk(true);
+                children->GetMotionMaster()->MovePoint(0, MovePosPositions[i], true, MovePosPositions[i].GetOrientation());
+            }
+        }
+        me->SetWalk(true);
+        me->GetMotionMaster()->MovePoint(0, MovePosPositions.back(), true, MovePosPositions.back().GetOrientation());
+    }
+
+    void WaypointReached(uint32 waypointId, uint32 pathId) override
+    {
+        switch (pathId)
+        {
+            case STORMWIND_PATH:
+            {
+                if (waypointId == STORMWIND_WAYPOINT)
+                {
+                    me->GetMotionMaster()->MoveRandom(10.f);
+                    _events.ScheduleEvent(EVENT_WP_START_GOLDSHIRE, 11min);
+                }
+
+                break;
+            }
+            case GOLDSHIRE_PATH:
+            {
+                if (waypointId == GOLDSHIRE_WAYPOINT)
+                {
+                    me->GetMotionMaster()->MoveRandom(10.f);
+                    _events.ScheduleEvent(EVENT_WP_START_WOODS, 15min);
+                }
+                break;
+            }
+            case WOODS_PATH:
+            {
+                if (waypointId == WOODS_WAYPOINT)
+                {
+                    me->GetMotionMaster()->MoveRandom(10.f);
+                    _events.ScheduleEvent(EVENT_WP_START_HOUSE, 6min);
+                    _events.ScheduleEvent(EVENT_WP_START_LISA, 2s);
+                }
+
+                break;
+            }
+            case HOUSE_PATH:
+            {
+                if (waypointId == HOUSE_WAYPOINT)
+                {
+                    // Move childeren at last point
+                    MoveTheChildren();
+
+                    // After 30 seconds a random sound should play
+                    _events.ScheduleEvent(EVENT_PLAY_SOUNDS, 30s);
+                }
+                break;
+            }
+        }
+    }
+
+    void OnGameEvent(bool start, uint16 eventId) override
+    {
+        if (start && eventId == GAME_EVENT_CHILDEREN_OF_GOLDSHIRE)
+        {
+            // Start event at 7 am
+            // Begin pathing
+            _events.ScheduleEvent(EVENT_BEGIN_EVENT, 2s);
+            _started = true;
+        }
+        else if (!start && eventId == GAME_EVENT_CHILDEREN_OF_GOLDSHIRE)
+        {
+            // Reset event at 8 am
+            _started = false;
+            _events.Reset();
+        }
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!_started)
+            return;
+
+        _events.Update(diff);
+
+        while (uint32 eventId = _events.ExecuteEvent())
+        {
+            switch (eventId)
+            {
+                case EVENT_WP_START_GOLDSHIRE:
+                    me->GetMotionMaster()->MovePath(GOLDSHIRE_PATH, false);
+                    break;
+                case EVENT_WP_START_WOODS:
+                    me->GetMotionMaster()->MovePath(WOODS_PATH, false);
+                    break;
+                case EVENT_WP_START_HOUSE:
+                    me->GetMotionMaster()->MovePath(HOUSE_PATH, false);
+                    break;
+                case EVENT_WP_START_LISA:
+                    for (ObjectGuid guid : _childrenGUIDs)
+                    {
+                        if (Creature* child = ObjectAccessor::GetCreature(*me, guid))
+                        {
+                            if (child->GetEntry() == NPC_LISA)
+                            {
+                                child->GetMotionMaster()->MovePath(LISA_PATH, false);
+                                break;
+                            }
+                        }
+                    }
+                    break;
+                case EVENT_PLAY_SOUNDS:
+                    me->PlayDistanceSound(SoundPicker());
+                    break;
+                case EVENT_BEGIN_EVENT:
+                {
+                    _childrenGUIDs.clear();
+
+                    // Get all childeren's guid's.
+                    if (Creature* dana = me->FindNearestCreature(NPC_DANA, 25.0f))
+                        _childrenGUIDs.push_back(dana->GetGUID());
+
+                    if (Creature* john = me->FindNearestCreature(NPC_JOHN, 25.0f))
+                        _childrenGUIDs.push_back(john->GetGUID());
+
+                    if (Creature* lisa = me->FindNearestCreature(NPC_LISA, 25.0f))
+                        _childrenGUIDs.push_back(lisa->GetGUID());
+
+                    if (Creature* aaron = me->FindNearestCreature(NPC_AARON, 25.0f))
+                        _childrenGUIDs.push_back(aaron->GetGUID());
+
+                    if (Creature* jose = me->FindNearestCreature(NPC_JOSE, 25.0f))
+                        _childrenGUIDs.push_back(jose->GetGUID());
+
+                    // If Formation was disbanded, remake.
+                    if (!me->GetFormation()->isFormed())
+                        for (ObjectGuid guid : _childrenGUIDs)
+                            if (Creature* child = ObjectAccessor::GetCreature(*me, guid))
+                                child->SearchFormation();
+
+                    // Start movement
+                    me->GetMotionMaster()->MovePath(STORMWIND_PATH, false);
+
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+    }
+
+private:
+    EventMap _events;
+    bool _started;
+    GuidVector _childrenGUIDs;
+};
+
+void AddSC_goldshire()
+{
+    RegisterCreatureAI(npc_cameron);
+}