/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA 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 2 of the License,
or (at your option) any later version.

OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// actor.cpp:

#include "actor.h"

void Actor::InitDisguiseSentry
	(
	GlobalFuncs_t *func
	)
{
	func->ThinkState						= &Actor::Think_DisguiseSentry;
	func->BeginState						= &Actor::Begin_DisguiseSentry;
	func->EndState							= &Actor::End_DisguiseSentry;
	func->ResumeState						= &Actor::Resume_DisguiseSentry;
	func->SuspendState						= &Actor::Suspend_DisguiseSentry;
	func->PassesTransitionConditions		= &Actor::PassesTransitionConditions_Disguise;
	func->IsState							= &Actor::IsDisguiseState;
}

void Actor::Begin_DisguiseSentry
	(
	void
	)
{
	vec2_t vDelta;


	m_csMood = STRING_BORED;

	assert(m_Enemy);

	if (m_Enemy)
	{
		if ((EnemyIsDisguised() || m_Enemy->IsSubclassOfActor()) && !level.m_bAlarm)
		{
			VectorSub2D(m_Enemy->origin, origin, vDelta);

			if (vDelta[0] != 0 || vDelta[1] != 0)
			{
				SetDesiredYawDir(vDelta);
			}

			SetDesiredLookDir(m_Enemy->origin - origin);

			m_eNextAnimMode = 1;
			m_csNextAnimString = STRING_ANIM_DISGUISE_WAIT_SCR;
			m_bNextForceStart = false;

			m_iEnemyShowPapersTime = m_Enemy->m_ShowPapersTime;
			TransitionState(1, 0);
		}
		else
		{
			SetThinkState(THINKSTATE_ATTACK, THINKLEVEL_NORMAL);
		}
	}
	else
	{
		SetThinkState(THINKSTATE_IDLE, THINKLEVEL_NORMAL);
	}
}

void Actor::End_DisguiseSentry
	(
	void
	)
{
	m_iNextDisguiseTime = level.inttime + (m_State ? m_iDisguisePeriod : 500);
}

void Actor::Resume_DisguiseSentry
	(
	void
	)
{
	Begin_DisguiseSentry();
}

void Actor::Suspend_DisguiseSentry
	(
	void
	)
{
	End_DisguiseSentry();
}

void Actor::Think_DisguiseSentry
	(
	void
	)
{
	if (RequireThink())
	{
		UpdateEyeOrigin();
		NoPoint();
		ContinueAnimation();
		UpdateEnemy(1500);

		assert(m_Enemy != NULL);

		if (!m_Enemy)
		{
			SetThinkState(THINKSTATE_IDLE, THINKLEVEL_NORMAL);
			return;
		}
		if (!EnemyIsDisguised() && !m_Enemy->IsSubclassOfActor() && m_State != 3)
		{
			TransitionState(3, 0);
		}

		if (level.m_bAlarm)
		{
			SetThinkState(THINKSTATE_ATTACK, THINKLEVEL_NORMAL);
		}
		else
		{

			{
				vec2_t facedir;
				facedir[0] = m_Enemy->origin[0] - origin[0];
				facedir[1] = m_Enemy->origin[1] - origin[1];
				if (facedir[0] != 0 || facedir[1] != 0)
				{
					SetDesiredYawDir(facedir);
				}

			}

			SetDesiredLookDir(m_Enemy->origin - origin);

			switch (m_State)
			{
			case 0:
				m_pszDebugState = "wait";
				State_Disguise_Wait();
				break;
			case 1:
				m_pszDebugState = "papers";
				State_Disguise_Papers();
				break;
			case 2:
				m_pszDebugState = "accept";
				State_Disguise_Accept();
				break;
			case 3:
				m_pszDebugState = "enemy";
				State_Disguise_Enemy();
				break;
			case 4:
				m_pszDebugState = "halt";
				State_Disguise_Halt();
				break;
			case 5:
				m_pszDebugState = "deny";
				State_Disguise_Deny();
				break;
			default:
				Com_Printf("Actor::Think_DisguiseSentry: invalid think state %i\n", m_State);
				assert(!"invalid think state");
				break;
			}
			CheckForTransition(THINKSTATE_GRENADE, THINKLEVEL_NORMAL);
			PostThink(true);
		}
	}
}