rearranged core files

--HG--
branch : trunk

1 files changed, 591 insertions, 0 deletions

diff --git a/src/server/game/Movement/MotionMaster.cpp b/src/server/game/Movement/MotionMaster.cpp
new file mode 100644
index 00000000000..5c20494bfcc
--- /dev/null
+++ b/src/server/game/Movement/MotionMaster.cpp
@@ -0,0 +1,591 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "MotionMaster.h"
+#include "CreatureAISelector.h"
+#include "Creature.h"
+#include "Traveller.h"
+
+#include "ConfusedMovementGenerator.h"
+#include "FleeingMovementGenerator.h"
+#include "HomeMovementGenerator.h"
+#include "IdleMovementGenerator.h"
+#include "PointMovementGenerator.h"
+#include "TargetedMovementGenerator.h"
+#include "WaypointMovementGenerator.h"
+#include "RandomMovementGenerator.h"
+
+#include <cassert>
+
+inline bool isStatic(MovementGenerator *mv)
+{
+    return (mv == &si_idleMovement);
+}
+
+void
+MotionMaster::Initialize()
+{
+    // clear ALL movement generators (including default)
+    while (!empty())
+    {
+        MovementGenerator *curr = top();
+        pop();
+        if (curr) DirectDelete(curr);
+    }
+
+    InitDefault();
+}
+
+// set new default movement generator
+void MotionMaster::InitDefault()
+{
+    if (i_owner->GetTypeId() == TYPEID_UNIT)
+    {
+        MovementGenerator* movement = FactorySelector::selectMovementGenerator(i_owner->ToCreature());
+        Mutate(movement == NULL ? &si_idleMovement : movement, MOTION_SLOT_IDLE);
+    }
+    else
+    {
+        Mutate(&si_idleMovement, MOTION_SLOT_IDLE);
+    }
+}
+
+MotionMaster::~MotionMaster()
+{
+    // clear ALL movement generators (including default)
+    while (!empty())
+    {
+        MovementGenerator *curr = top();
+        pop();
+        if (curr) DirectDelete(curr);
+    }
+}
+
+void
+MotionMaster::UpdateMotion(uint32 diff)
+{
+    if (i_owner->hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED)) // what about UNIT_STAT_DISTRACTED? Why is this not included?
+        return;
+    assert(!empty());
+    m_cleanFlag |= MMCF_UPDATE;
+    if (!top()->Update(*i_owner, diff))
+    {
+        m_cleanFlag &= ~MMCF_UPDATE;
+        MovementExpired();
+    }
+    else
+        m_cleanFlag &= ~MMCF_UPDATE;
+
+    if (m_expList)
+    {
+        for (size_t i = 0; i < m_expList->size(); ++i)
+        {
+            MovementGenerator* mg = (*m_expList)[i];
+            DirectDelete(mg);
+        }
+
+        delete m_expList;
+        m_expList = NULL;
+
+        if (empty())
+            Initialize();
+        else if (needInitTop())
+            InitTop();
+        else if (m_cleanFlag & MMCF_RESET)
+            top()->Reset(*i_owner);
+
+        m_cleanFlag &= ~MMCF_RESET;
+    }
+}
+
+void
+MotionMaster::DirectClean(bool reset)
+{
+    while (size() > 1)
+    {
+        MovementGenerator *curr = top();
+        pop();
+        if (curr) DirectDelete(curr);
+    }
+
+    if (needInitTop())
+        InitTop();
+    else if (reset)
+        top()->Reset(*i_owner);
+}
+
+void
+MotionMaster::DelayedClean()
+{
+    while (size() > 1)
+    {
+        MovementGenerator *curr = top();
+        pop();
+        if (curr)
+            DelayedDelete(curr);
+    }
+}
+
+void
+MotionMaster::DirectExpire(bool reset)
+{
+    if (size() > 1)
+    {
+        MovementGenerator *curr = top();
+        pop();
+        DirectDelete(curr);
+    }
+
+    while (!top())
+        --i_top;
+
+    if (empty())
+        Initialize();
+    else if (needInitTop())
+        InitTop();
+    else if (reset)
+        top()->Reset(*i_owner);
+}
+
+void
+MotionMaster::DelayedExpire()
+{
+    if (size() > 1)
+    {
+        MovementGenerator *curr = top();
+        pop();
+        DelayedDelete(curr);
+    }
+
+    while (!top())
+        --i_top;
+}
+
+void MotionMaster::MoveIdle(MovementSlot slot)
+{
+    //if (empty() || !isStatic(top()))
+    //    push(&si_idleMovement);
+    if (!isStatic(Impl[slot]))
+        Mutate(&si_idleMovement, slot);
+}
+
+void
+MotionMaster::MoveRandom(float spawndist)
+{
+    if (i_owner->GetTypeId() == TYPEID_UNIT)
+    {
+        DEBUG_LOG("Creature (GUID: %u) start moving random", i_owner->GetGUIDLow());
+        Mutate(new RandomMovementGenerator<Creature>(spawndist), MOTION_SLOT_IDLE);
+    }
+}
+
+void
+MotionMaster::MoveTargetedHome()
+{
+    //if (i_owner->hasUnitState(UNIT_STAT_FLEEING))
+    //    return;
+
+    Clear(false);
+
+    if (i_owner->GetTypeId() == TYPEID_UNIT)
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) targeted home", i_owner->GetEntry(), i_owner->GetGUIDLow());
+        Mutate(new HomeMovementGenerator<Creature>(), MOTION_SLOT_ACTIVE);
+    }
+    else
+    {
+        sLog.outError("Player (GUID: %u) attempt targeted home", i_owner->GetGUIDLow());
+    }
+}
+
+void
+MotionMaster::MoveConfused()
+{
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) move confused", i_owner->GetGUIDLow());
+        Mutate(new ConfusedMovementGenerator<Player>(), MOTION_SLOT_CONTROLLED);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) move confused",
+            i_owner->GetEntry(), i_owner->GetGUIDLow());
+        Mutate(new ConfusedMovementGenerator<Creature>(), MOTION_SLOT_CONTROLLED);
+    }
+}
+
+void
+MotionMaster::MoveChase(Unit* target, float dist, float angle)
+{
+    // ignore movement request if target not exist
+    if (!target || target == i_owner || i_owner->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISABLE_MOVE))
+        return;
+
+    i_owner->clearUnitState(UNIT_STAT_FOLLOW);
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) chase to %s (GUID: %u)",
+            i_owner->GetGUIDLow(),
+            target->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            target->GetTypeId() == TYPEID_PLAYER ? target->GetGUIDLow() : target->ToCreature()->GetDBTableGUIDLow());
+        Mutate(new TargetedMovementGenerator<Player>(*target,dist,angle), MOTION_SLOT_ACTIVE);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) chase to %s (GUID: %u)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(),
+            target->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            target->GetTypeId() == TYPEID_PLAYER ? target->GetGUIDLow() : target->ToCreature()->GetDBTableGUIDLow());
+        Mutate(new TargetedMovementGenerator<Creature>(*target,dist,angle), MOTION_SLOT_ACTIVE);
+    }
+}
+
+void
+MotionMaster::MoveFollow(Unit* target, float dist, float angle, MovementSlot slot)
+{
+    // ignore movement request if target not exist
+    if (!target || target == i_owner || i_owner->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISABLE_MOVE))
+        return;
+
+    i_owner->addUnitState(UNIT_STAT_FOLLOW);
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) follow to %s (GUID: %u)", i_owner->GetGUIDLow(),
+            target->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            target->GetTypeId() == TYPEID_PLAYER ? target->GetGUIDLow() : target->ToCreature()->GetDBTableGUIDLow());
+        Mutate(new TargetedMovementGenerator<Player>(*target,dist,angle), slot);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) follow to %s (GUID: %u)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(),
+            target->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            target->GetTypeId() == TYPEID_PLAYER ? target->GetGUIDLow() : target->ToCreature()->GetDBTableGUIDLow());
+        Mutate(new TargetedMovementGenerator<Creature>(*target,dist,angle), slot);
+    }
+}
+
+void
+MotionMaster::MovePoint(uint32 id, float x, float y, float z)
+{
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) targeted point (Id: %u X: %f Y: %f Z: %f)", i_owner->GetGUIDLow(), id, x, y, z);
+        Mutate(new PointMovementGenerator<Player>(id,x,y,z), MOTION_SLOT_ACTIVE);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) targeted point (ID: %u X: %f Y: %f Z: %f)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), id, x, y, z);
+        Mutate(new PointMovementGenerator<Creature>(id,x,y,z), MOTION_SLOT_ACTIVE);
+    }
+}
+
+void MotionMaster::MoveKnockbackFrom(float srcX, float srcY, float speedXY, float speedZ)
+{
+    //this function may make players fall below map
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+        return;
+
+    float x, y, z;
+    float dist = speedXY * speedZ * 0.1f;
+    i_owner->GetNearPoint(i_owner, x, y, z, i_owner->GetObjectSize(), dist, i_owner->GetAngle(srcX, srcY) + M_PI);
+    MoveJump(x, y, z, speedXY, speedZ);
+}
+
+void MotionMaster::MoveJumpTo(float angle, float speedXY, float speedZ)
+{
+    //this function may make players fall below map
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+        return;
+
+    float x, y, z;
+    float dist = speedXY * speedZ * 0.1f;
+    i_owner->GetClosePoint(x, y, z, i_owner->GetObjectSize(), dist, angle);
+    MoveJump(x, y, z, speedXY, speedZ);
+}
+
+void MotionMaster::MoveJump(float x, float y, float z, float speedXY, float speedZ)
+{
+    uint32 moveFlag = MOVEFLAG_JUMP | MOVEFLAG_WALK;
+    uint32 time = speedZ * 100;
+
+    i_owner->addUnitState(UNIT_STAT_CHARGING | UNIT_STAT_JUMPING);
+    i_owner->m_TempSpeed = speedXY;
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) jump to point (X: %f Y: %f Z: %f)", i_owner->GetGUIDLow(), x, y, z);
+        Mutate(new PointMovementGenerator<Player>(0,x,y,z), MOTION_SLOT_CONTROLLED);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) jump to point (X: %f Y: %f Z: %f)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), x, y, z);
+        Mutate(new PointMovementGenerator<Creature>(0,x,y,z), MOTION_SLOT_CONTROLLED);
+    }
+
+    i_owner->SendMonsterMove(x, y, z, moveFlag, time, speedZ);
+}
+
+void
+MotionMaster::MoveCharge(float x, float y, float z, float speed, uint32 id)
+{
+    if (Impl[MOTION_SLOT_CONTROLLED] && Impl[MOTION_SLOT_CONTROLLED]->GetMovementGeneratorType() != DISTRACT_MOTION_TYPE)
+        return;
+
+    i_owner->addUnitState(UNIT_STAT_CHARGING);
+    i_owner->m_TempSpeed = speed;
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) charge point (X: %f Y: %f Z: %f)", i_owner->GetGUIDLow(), x, y, z);
+        Mutate(new PointMovementGenerator<Player>(id,x,y,z), MOTION_SLOT_CONTROLLED);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) charge point (X: %f Y: %f Z: %f)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), x, y, z);
+        Mutate(new PointMovementGenerator<Creature>(id,x,y,z), MOTION_SLOT_CONTROLLED);
+    }
+}
+
+void MotionMaster::MoveFall(float z, uint32 id)
+{
+    i_owner->SetFlying(false);
+    i_owner->SendMovementFlagUpdate();
+    //AddUnitMovementFlag(MOVEMENTFLAG_FALLING);
+    MoveCharge(i_owner->GetPositionX(), i_owner->GetPositionY(), z, SPEED_CHARGE, id);
+}
+
+void
+MotionMaster::MoveSeekAssistance(float x, float y, float z)
+{
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        sLog.outError("Player (GUID: %u) attempt to seek assistance",i_owner->GetGUIDLow());
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) seek assistance (X: %f Y: %f Z: %f)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), x, y, z);
+        i_owner->AttackStop();
+        i_owner->ToCreature()->SetReactState(REACT_PASSIVE);
+        Mutate(new AssistanceMovementGenerator(x,y,z), MOTION_SLOT_ACTIVE);
+    }
+}
+
+void
+MotionMaster::MoveSeekAssistanceDistract(uint32 time)
+{
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        sLog.outError("Player (GUID: %u) attempt to call distract after assistance",i_owner->GetGUIDLow());
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) is distracted after assistance call (Time: %u)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), time);
+        Mutate(new AssistanceDistractMovementGenerator(time), MOTION_SLOT_ACTIVE);
+    }
+}
+
+void
+MotionMaster::MoveFleeing(Unit* enemy, uint32 time)
+{
+    if (!enemy)
+        return;
+
+    if (i_owner->HasAuraType(SPELL_AURA_PREVENTS_FLEEING))
+        return;
+
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) flee from %s (GUID: %u)", i_owner->GetGUIDLow(),
+            enemy->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            enemy->GetTypeId() == TYPEID_PLAYER ? enemy->GetGUIDLow() : enemy->ToCreature()->GetDBTableGUIDLow());
+        Mutate(new FleeingMovementGenerator<Player>(enemy->GetGUID()), MOTION_SLOT_CONTROLLED);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) flee from %s (GUID: %u)%s",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(),
+            enemy->GetTypeId() == TYPEID_PLAYER ? "player" : "creature",
+            enemy->GetTypeId() == TYPEID_PLAYER ? enemy->GetGUIDLow() : enemy->ToCreature()->GetDBTableGUIDLow(),
+            time ? " for a limited time" : "");
+        if (time)
+            Mutate(new TimedFleeingMovementGenerator(enemy->GetGUID(), time), MOTION_SLOT_CONTROLLED);
+        else
+            Mutate(new FleeingMovementGenerator<Creature>(enemy->GetGUID()), MOTION_SLOT_CONTROLLED);
+    }
+}
+
+void
+MotionMaster::MoveTaxiFlight(uint32 path, uint32 pathnode)
+{
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) taxi to (Path %u node %u)", i_owner->GetGUIDLow(), path, pathnode);
+        FlightPathMovementGenerator* mgen = new FlightPathMovementGenerator(path,pathnode);
+        Mutate(mgen, MOTION_SLOT_CONTROLLED);
+    }
+    else
+    {
+        sLog.outError("Creature (Entry: %u GUID: %u) attempt taxi to (Path %u node %u)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), path, pathnode);
+    }
+}
+
+void
+MotionMaster::MoveDistract(uint32 timer)
+{
+    if (Impl[MOTION_SLOT_CONTROLLED])
+        return;
+
+    if (i_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        DEBUG_LOG("Player (GUID: %u) distracted (timer: %u)", i_owner->GetGUIDLow(), timer);
+    }
+    else
+    {
+        DEBUG_LOG("Creature (Entry: %u GUID: %u) (timer: %u)",
+            i_owner->GetEntry(), i_owner->GetGUIDLow(), timer);
+    }
+
+    DistractMovementGenerator* mgen = new DistractMovementGenerator(timer);
+    Mutate(mgen, MOTION_SLOT_CONTROLLED);
+}
+
+void MotionMaster::Mutate(MovementGenerator *m, MovementSlot slot)
+{
+    if (MovementGenerator *curr = Impl[slot])
+    {
+        Impl[slot] = NULL; // in case a new one is generated in this slot during directdelete
+        if (i_top == slot && (m_cleanFlag & MMCF_UPDATE))
+            DelayedDelete(curr);
+        else
+            DirectDelete(curr);
+    }
+    else if (i_top < slot)
+    {
+        i_top = slot;
+    }
+
+    if (i_top > slot)
+        needInit[slot] = true;
+    else
+    {
+        m->Initialize(*i_owner);
+        needInit[slot] = false;
+    }
+    Impl[slot] = m;
+}
+
+void MotionMaster::MovePath(uint32 path_id, bool repeatable)
+{
+    if (!path_id)
+        return;
+    //We set waypoint movement as new default movement generator
+    // clear ALL movement generators (including default)
+    /*while (!empty())
+    {
+        MovementGenerator *curr = top();
+        curr->Finalize(*i_owner);
+        pop();
+        if (!isStatic(curr))
+            delete curr;
+    }*/
+
+    //i_owner->GetTypeId() == TYPEID_PLAYER ?
+        //Mutate(new WaypointMovementGenerator<Player>(path_id, repeatable)):
+        Mutate(new WaypointMovementGenerator<Creature>(path_id, repeatable), MOTION_SLOT_IDLE);
+
+    DEBUG_LOG("%s (GUID: %u) start moving over path(Id:%u, repeatable: %s)",
+        i_owner->GetTypeId() == TYPEID_PLAYER ? "Player" : "Creature",
+        i_owner->GetGUIDLow(), path_id, repeatable ? "YES" : "NO");
+}
+
+void MotionMaster::MoveRotate(uint32 time, RotateDirection direction)
+{
+    if (!time)
+        return;
+
+    Mutate(new RotateMovementGenerator(time, direction), MOTION_SLOT_ACTIVE);
+}
+
+void MotionMaster::propagateSpeedChange()
+{
+    /*Impl::container_type::iterator it = Impl::c.begin();
+    for (; it != end(); ++it)
+    {
+        (*it)->unitSpeedChanged();
+    }*/
+    for (int i = 0; i <= i_top; ++i)
+    {
+        if (Impl[i])
+            Impl[i]->unitSpeedChanged();
+    }
+}
+
+MovementGeneratorType MotionMaster::GetCurrentMovementGeneratorType() const
+{
+   if (empty())
+       return IDLE_MOTION_TYPE;
+
+   return top()->GetMovementGeneratorType();
+}
+
+MovementGeneratorType MotionMaster::GetMotionSlotType(int slot) const
+{
+    if (!Impl[slot])
+        return NULL_MOTION_TYPE;
+    else
+        return Impl[slot]->GetMovementGeneratorType();
+}
+
+void MotionMaster::InitTop()
+{
+    top()->Initialize(*i_owner);
+    needInit[i_top] = false;
+}
+
+void MotionMaster::DirectDelete(_Ty curr)
+{
+    if (isStatic(curr))
+        return;
+    curr->Finalize(*i_owner);
+    delete curr;
+}
+
+void MotionMaster::DelayedDelete(_Ty curr)
+{
+    sLog.outCrash("Unit (Entry %u) is trying to delete its updating MG (Type %u)!", i_owner->GetEntry(), curr->GetMovementGeneratorType());
+    if (isStatic(curr))
+        return;
+    if (!m_expList)
+        m_expList = new ExpireList();
+    m_expList->push_back(curr);
+}
+
+bool MotionMaster::GetDestination(float &x, float &y, float &z)
+{
+    if (empty())
+       return false;
+
+    return top()->GetDestination(x,y,z);
+}