/*****************************************************************************
The Dark Mod GPL Source Code

This file is part of the The Dark Mod Source Code, originally based
on the Doom 3 GPL Source Code as published in 2011.

The Dark Mod Source Code 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 3 of the License,
or (at your option) any later version. For details, see LICENSE.TXT.

Project: The Dark Mod (http://www.thedarkmod.com/)

******************************************************************************/

#include "precompiled.h"
#pragma hdrstop



#include "RangedCombatTask.h"
#include "WaitTask.h"
#include "../Memory.h"
#include "../Library.h"

namespace ai
{

// Get the name of this task
const idStr& RangedCombatTask::GetName() const
{
	static idStr _name(TASK_RANGED_COMBAT);
	return _name;
}

void RangedCombatTask::Init(idAI* owner, Subsystem& subsystem)
{
	// Init the base class
	CombatTask::Init(owner, subsystem);

	/* grayman #4412 - This block of code doesn't terminate the task.
	   The same check in the Perform() method will terminate the task properly. 
	// _enemy = owner->GetEnemy(); // set by CombatTask::Init()
	if (_enemy.GetEntity() == NULL)
	{
		DM_LOG(LC_AI, LT_ERROR)LOGSTRING("RangedCombatTask::Init - No enemy, terminating task!\r");
		return; // terminate me
	}
	*/
}

bool RangedCombatTask::Perform(Subsystem& subsystem)
{
	DM_LOG(LC_AI, LT_INFO)LOGSTRING("RangedCombatTask performing.\r");

	idAI* owner = _owner.GetEntity();
	assert(owner != NULL);

	idActor* enemy = _enemy.GetEntity();
	if (enemy == NULL)
	{
		DM_LOG(LC_AI, LT_ERROR)LOGSTRING("No enemy, terminating task!\r");
		return true; // terminate me
	}

	// Can we damage the enemy already? (this flag is set by the combat state)
	if ( (gameLocal.time >= _nextAttackTime) && (owner->GetMemory().canHitEnemy) && (idStr(owner->WaitState()) != "ranged_attack") ) // grayman #4412
	{
		//idStr waitState(owner->WaitState());
		//if (waitState != "ranged_attack")
		//{
			// Waitstate is not matching, this means that the animation 
			// can be started.
			owner->SetAnimState(ANIMCHANNEL_TORSO, "Torso_RangedAttack", 5);
			owner->SetAnimState(ANIMCHANNEL_LEGS, "Legs_RangedAttack", 5);

			// greebo: Set the waitstate, this gets cleared by 
			// the script function when the animation is done.
			owner->SetWaitState("ranged_attack");

			// grayman #4394 - checking _lastCombatBarkTime caused this bark to
			// only be emitted once. It sounds better if the bark occurs on a
			// random basis.
			//if (_lastCombatBarkTime == -1)
			if (gameLocal.random.RandomFloat() > 0.5)
			{
				// grayman #3343 - accommodate different barks for human and non-human enemies

				idStr bark = "";
				idStr enemyAiUse = enemy->spawnArgs.GetString("AIUse");
				if ( ( enemyAiUse == AIUSE_MONSTER ) || ( enemyAiUse == AIUSE_UNDEAD ) )
				{
					bark = "snd_combat_ranged_monster";
				}
				else
				{
					bark = "snd_combat_ranged";
				}
				EmitCombatBark(owner, bark);
			}
		//}
		//else
		//{
		/* grayman #4412 - Instead of pushing RangedCombatTask down on the
		   task queue and placing a WaitTask on top of it, just don't do anything.

		   This improves the elemental, but what does it do to archers and mages, who
		   launch missiles as their ranged attacks? The extra wait padding below needs
		   to be handled in a "next stage", so that the WaitTask isn't used (I think it
		   was disrupting the ranged attack animation for the elemental), and we just
		   wait a bit more based on comparing current time against a future time when we
		   can attack again.

			idAnimator* animator = owner->GetAnimatorForChannel(ANIMCHANNEL_LEGS);
			int animint = animator->CurrentAnim(ANIMCHANNEL_LEGS)->AnimNum();
			int length = animator->AnimLength(animint);

			int padding = gameLocal.random.RandomInt(4000) + 1000;

			owner->actionSubsystem->PushTask(TaskPtr(new WaitTask(length + padding)));
		}*/
		//grayman #4412 - end
		
		_nextAttackTime = gameLocal.time + gameLocal.random.RandomInt(4000) + 3000; // grayman #4412
	}

	return false; // not finished yet
}

void RangedCombatTask::OnFinish(idAI* owner)
{
	owner->SetAnimState(ANIMCHANNEL_TORSO, "Torso_Idle", 5);
	owner->SetAnimState(ANIMCHANNEL_LEGS, "Legs_Idle", 5);
	owner->SetWaitState("");
}

void RangedCombatTask::Save(idSaveGame* savefile) const
{
	CombatTask::Save(savefile);
}

void RangedCombatTask::Restore(idRestoreGame* savefile)
{
	CombatTask::Restore(savefile);
}

RangedCombatTaskPtr RangedCombatTask::CreateInstance()
{
	return RangedCombatTaskPtr(new RangedCombatTask);
}

// Register this task with the TaskLibrary
TaskLibrary::Registrar rangedCombatTaskRegistrar(
	TASK_RANGED_COMBAT, // Task Name
	TaskLibrary::CreateInstanceFunc(&RangedCombatTask::CreateInstance) // Instance creation callback
);

} // namespace ai