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/*
* 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 "Creature.h"
#include "CreatureGroups.h"
#include "ObjectMgr.h"
#include "ProgressBar.h"
#include "Policies/SingletonImp.h"
#include "CreatureAI.h"
#define MAX_DESYNC 5.0f
INSTANTIATE_SINGLETON_1(CreatureGroupManager);
CreatureGroupInfoType CreatureGroupMap;
void CreatureGroupManager::AddCreatureToGroup(uint32 groupId, Creature *member)
{
Map *map = member->FindMap();
if (!map)
return;
CreatureGroupHolderType::iterator itr = map->CreatureGroupHolder.find(groupId);
//Add member to an existing group
if (itr != map->CreatureGroupHolder.end())
{
sLog.outDebug("Group found: %u, inserting creature GUID: %u, Group InstanceID %u", groupId, member->GetGUIDLow(), member->GetInstanceId());
itr->second->AddMember(member);
}
//Create new group
else
{
sLog.outDebug("Group not found: %u. Creating new group.", groupId);
CreatureGroup* group = new CreatureGroup(groupId);
map->CreatureGroupHolder[groupId] = group;
group->AddMember(member);
}
}
void CreatureGroupManager::RemoveCreatureFromGroup(CreatureGroup *group, Creature *member)
{
sLog.outDebug("Deleting member pointer to GUID: %u from group %u", group->GetId(), member->GetDBTableGUIDLow());
group->RemoveMember(member);
if (group->isEmpty())
{
Map *map = member->FindMap();
if (!map)
return;
sLog.outDebug("Deleting group with InstanceID %u", member->GetInstanceId());
map->CreatureGroupHolder.erase(group->GetId());
delete group;
}
}
void CreatureGroupManager::LoadCreatureFormations()
{
//Clear existing map
CreatureGroupMap.clear();
//Check Integrity of the table
QueryResult_AutoPtr result = WorldDatabase.PQuery("SELECT MAX(leaderGUID) FROM creature_formations");
if (!result)
{
sLog.outErrorDb(" ...an error occured while loading the table creature_formations (maybe it doesn't exist ?)\n");
return;
}
//Get group data
result = WorldDatabase.PQuery("SELECT leaderGUID, memberGUID, dist, angle, groupAI FROM creature_formations ORDER BY leaderGUID");
if (!result)
{
sLog.outErrorDb("The table creature_formations is empty or corrupted");
return;
}
uint32 total_records = result->GetRowCount();
barGoLink bar(total_records);
Field *fields;
FormationInfo *group_member;
//Loading data...
do
{
fields = result->Fetch();
bar.step();
//Load group member data
group_member = new FormationInfo;
group_member->leaderGUID = fields[0].GetUInt32();
uint32 memberGUID = fields[1].GetUInt32();
group_member->groupAI = fields[4].GetUInt8();
//If creature is group leader we may skip loading of dist/angle
if (group_member->leaderGUID != memberGUID)
{
group_member->follow_dist = fields[2].GetFloat();
group_member->follow_angle = fields[3].GetFloat() * M_PI / 180;
}
else
{
group_member->follow_dist = 0;
group_member->follow_angle = 0;
}
// check data correctness
{
QueryResult_AutoPtr result = WorldDatabase.PQuery("SELECT guid FROM creature WHERE guid = %u", group_member->leaderGUID);
if (!result)
{
sLog.outErrorDb("creature_formations table leader guid %u incorrect (not exist)", group_member->leaderGUID);
delete group_member;
continue;
}
result = WorldDatabase.PQuery("SELECT guid FROM creature WHERE guid = %u", memberGUID);
if (!result)
{
sLog.outErrorDb("creature_formations table member guid %u incorrect (not exist)", memberGUID);
delete group_member;
continue;
}
}
CreatureGroupMap[memberGUID] = group_member;
}
while (result->NextRow()) ;
sLog.outString();
sLog.outString(">> Loaded %u creatures in formations", total_records);
sLog.outString();
}
void CreatureGroup::AddMember(Creature *member)
{
sLog.outDebug("CreatureGroup::AddMember: Adding unit GUID: %u.", member->GetGUIDLow());
//Check if it is a leader
if (member->GetDBTableGUIDLow() == m_groupID)
{
sLog.outDebug("Unit GUID: %u is formation leader. Adding group.", member->GetGUIDLow());
m_leader = member;
}
m_members[member] = CreatureGroupMap.find(member->GetDBTableGUIDLow())->second;
member->SetFormation(this);
}
void CreatureGroup::RemoveMember(Creature *member)
{
if (m_leader == member)
m_leader = NULL;
m_members.erase(member);
member->SetFormation(NULL);
}
void CreatureGroup::MemberAttackStart(Creature *member, Unit *target)
{
uint8 groupAI = CreatureGroupMap[member->GetDBTableGUIDLow()]->groupAI;
if (!groupAI)
return;
if (groupAI == 1 && member != m_leader)
return;
for (CreatureGroupMemberType::iterator itr = m_members.begin(); itr != m_members.end(); ++itr)
{
sLog.outDebug("GROUP ATTACK: group instance id %u calls member instid %u", m_leader->GetInstanceId(), member->GetInstanceId());
//sLog.outDebug("AI:%u:Group member found: %u, attacked by %s.", groupAI, itr->second->GetGUIDLow(), member->getVictim()->GetName());
//Skip one check
if (itr->first == member)
continue;
if (!itr->first->isAlive())
continue;
if (itr->first->getVictim())
continue;
if (itr->first->canAttack(target))
itr->first->AI()->AttackStart(target);
}
}
void CreatureGroup::FormationReset(bool dismiss)
{
for (CreatureGroupMemberType::iterator itr = m_members.begin(); itr != m_members.end(); ++itr)
{
if (itr->first != m_leader && itr->first->isAlive())
{
if (dismiss)
itr->first->GetMotionMaster()->Initialize();
else
itr->first->GetMotionMaster()->MoveIdle(MOTION_SLOT_IDLE);
sLog.outDebug("Set %s movement for member GUID: %u", dismiss ? "default" : "idle", itr->first->GetGUIDLow());
}
}
m_Formed = !dismiss;
}
void CreatureGroup::LeaderMoveTo(float x, float y, float z)
{
if (!m_leader)
return;
float pathangle = atan2(m_leader->GetPositionY() - y, m_leader->GetPositionX() - x);
for (CreatureGroupMemberType::iterator itr = m_members.begin(); itr != m_members.end(); ++itr)
{
Creature *member = itr->first;
if (member == m_leader || !member->isAlive() || member->getVictim())
continue;
float angle = itr->second->follow_angle;
float dist = itr->second->follow_dist;
float dx = x + cos(angle + pathangle) * dist;
float dy = y + sin(angle + pathangle) * dist;
float dz = z;
Trinity::NormalizeMapCoord(dx);
Trinity::NormalizeMapCoord(dy);
member->UpdateGroundPositionZ(dx, dy, dz);
if (member->IsWithinDist(m_leader, dist + MAX_DESYNC))
member->SetUnitMovementFlags(m_leader->GetUnitMovementFlags());
else
member->RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
member->GetMotionMaster()->MovePoint(0, dx, dy, dz);
member->SetHomePosition(dx, dy, dz, pathangle);
}
}
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