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[11311] Add SCRIPT_COMMAND_ATTACK_START to initiate attack by creature.

Browse source 
../docs/script_commands.txt updated for details

Signed-off-by: NoFantasy <nofantasy@nf.no>
This commit is contained in:
NoFantasy 2011-04-03 19:52:06 +02:00
parent b92ebd994f
commit acb6372d29
5 changed files with 102 additions and 1 deletions
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71
src/game/Map.cpp
View file

@ -2853,6 +2853,77 @@ void Map::ScriptsProcess()
break;
}
case SCRIPT_COMMAND_ATTACK_START:
{
if (!source)
{
sLog.outError("SCRIPT_COMMAND_ATTACK_START (script id %u) call for NULL source.", step.script->id);
break;
}
if (!source->isType(TYPEMASK_WORLDOBJECT))
{
sLog.outError("SCRIPT_COMMAND_ATTACK_START (script id %u) call for unsupported non-worldobject (TypeId: %u), skipping.", step.script->id, source->GetTypeId());
break;
}
WorldObject* pSource = (WorldObject*)source;
Creature* pBuddy = NULL;
// flag_original_source_as_target 0x02
// flag_buddy_as_target 0x04
// If step has a buddy entry defined, search for it.
if (step.script->attack.creatureEntry)
{
MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*pSource, step.script->attack.creatureEntry, true, step.script->attack.searchRadius);
MaNGOS::CreatureLastSearcher<MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(pBuddy, u_check);
Cell::VisitGridObjects(pSource, searcher, step.script->attack.searchRadius);
// If buddy found, then use it
if (pBuddy)
{
if (step.script->attack.flags & 0x04)
{
// pBuddy is target of attack
target = (Object*)pBuddy;
}
else
{
// If not target of attack, then set pBuddy as source, the attacker
pSource = (WorldObject*)pBuddy;
}
}
else
{
// No buddy found, so don't do anything
break;
}
}
// If we should attack the original source instead of target
if (step.script->attack.flags & 0x02)
target = source;
Unit* unitTarget = target && target->isType(TYPEMASK_UNIT) ? static_cast<Unit*>(target) : NULL;
Creature* pAttacker = pSource && pSource->GetTypeId() == TYPEID_UNIT ? static_cast<Creature*>(pSource) : NULL;
if (pAttacker && unitTarget)
{
if (pAttacker->IsFriendlyTo(unitTarget))
{
sLog.outError("SCRIPT_COMMAND_ATTACK_START (script id %u) attacker is friendly to target, can not attack.", step.script->id);
break;
}
pAttacker->AI()->AttackStart(unitTarget);
break;
}
sLog.outError("SCRIPT_COMMAND_ATTACK_START (script id %u) unexpected error, attacker or victim could not be found, no action.", step.script->id);
break;
}
default:
sLog.outError("Unknown SCRIPT_COMMAND_ %u called for script id %u.",step.script->command, step.script->id);
break;