/*=========================================================================

	nfdutch.cpp

	Author:		CRB
	Created: 
	Project:	Spongebob
	Purpose: 

	Copyright (c) 2000 Climax Development Ltd

===========================================================================*/

#ifndef __ENEMY_NPC_H__
#include "enemy\npc.h"
#endif

#ifndef	__ENEMY_NFDUTCH_H__
#include "enemy\nfdutch.h"
#endif

#ifndef __GAME_GAME_H__
#include	"game\game.h"
#endif

#ifndef	__PLAYER_PLAYER_H__
#include	"player\player.h"
#endif

#ifndef __PROJECTL_PROJECTL_H__
#include "projectl\projectl.h"
#endif

#ifndef __VID_HEADER_
#include "system\vid.h"
#endif

#ifndef	__ANIM_FLYINGDUTCHMAN_HEADER__
#include <ACTOR_FLYINGDUTCHMAN_ANIM.h>
#endif

#ifndef __SPR_SPRITES_H__
#include <sprites.h>
#endif


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::postInit()
{
	m_state = FLYING_DUTCHMAN_ATTACK_PLAYER_1;
	m_extendDir = EXTEND_UP;

	s32 minX, maxX;
	m_npcPath.getPathXExtents( &minX, &maxX );
	m_npcPath.getPathYExtents( &m_minY, &m_maxY );

	m_extension = minX;
	m_inRange = false;

	if ( CLevel::getIsBossRespawn() )
	{
		m_health = CLevel::getBossHealth();
	}

	m_fireCount = 0;

	m_invulnerableTimer = 0;

	CNpcBossEnemy::postInit();
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::think( int _frames )
{
	if ( m_invulnerableTimer > 0 )
	{
		m_invulnerableTimer -= _frames;
	}

	CNpcEnemy::think( _frames );
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::processMovement( int _frames )
{
	if ( !m_animPlaying )
	{
		m_animPlaying = true;
		m_animNo = m_data[m_type].moveAnim;
		m_frame = 0;
	}

	s32 xDist = m_extension - Pos.vx;
	s32 xDistSqr = xDist * xDist;

	if ( xDistSqr > 100 )
	{
		processGenericGotoTarget( _frames, xDist, 0, m_speed );
	}
	else
	{
		if ( m_movementTimer > 0 )
		{
			m_movementTimer -= _frames;

			if ( m_extendDir == EXTEND_UP )
			{
				s32 yDist = m_minY - Pos.vy;

				if ( abs( yDist ) > 10 )
				{
					processGenericGotoTarget( _frames, 0, yDist, m_speed );
				}
				else
				{
					m_extendDir = EXTEND_DOWN;
				}
			}
			else
			{
				s32 yDist = m_maxY - Pos.vy;

				if ( abs( yDist ) > 10 )
				{
					processGenericGotoTarget( _frames, 0, yDist, m_speed );
				}
				else
				{
					m_extendDir = EXTEND_UP;
				}
			}
		}
		else
		{
			CPlayer *player = GameScene.getPlayer();

			DVECTOR playerPos = player->getPos();

			s32 minX, maxX;
			m_npcPath.getPathXExtents( &minX, &maxX );

			if ( playerPos.vx >= minX && playerPos.vx <= maxX &&
					playerPos.vy >= m_minY && playerPos.vy <= m_maxY )
			{
				m_controlFunc = NPC_CONTROL_CLOSE;
			}
			else
			{
				m_movementTimer = GameState::getOneSecondInFrames() * 3;
			}
		}
	}

	if ( playerXDist > 0 )
	{
		m_heading = 0;
	}
	else
	{
		m_heading = 2048;
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::processClose( int _frames )
{
	if ( playerYDist > 0 )
	{
		m_extendDir = EXTEND_DOWN;
	}
	else
	{
		m_extendDir = EXTEND_UP;
	}

	if ( !m_inRange && playerYDistSqr > 100 )
	{
		if ( !m_animPlaying )
		{
			m_animPlaying = true;
			m_animNo = m_data[m_type].moveAnim;
			m_frame = 0;
		}

		processGenericGotoTarget( _frames, 0, playerYDist, m_speed );
	}
	else
	{
		m_inRange = true;

		switch( m_state )
		{
			case FLYING_DUTCHMAN_ATTACK_PLAYER_1:
			case FLYING_DUTCHMAN_ATTACK_PLAYER_2:
			{
				if ( m_timerTimer > 0 )
				{
					if ( !m_animPlaying )
					{
						m_animNo = m_data[m_type].moveAnim;
						m_animPlaying = true;
						m_frame = 0;
					}

					m_timerTimer -= _frames;
				}
				else
				{
					if ( m_animNo != ANIM_FLYINGDUTCHMAN_FIREATTACK )
					{
						m_animNo = ANIM_FLYINGDUTCHMAN_FIREATTACK;
						m_animPlaying = true;
						m_frame = 0;
					}
					else if ( !m_animPlaying )
					{
						// fire at player

						s16 heading;

						if ( playerXDist > 0 )
						{
							heading = 0;
						}
						else
						{
							heading = 2048;
						}

						CProjectile *projectile;
						projectile = CProjectile::Create();
						DVECTOR newPos = Pos;
						newPos.vy -= 50;
						projectile->init( newPos, heading );
						projectile->setGraphic( FRM__LIGHTNING2 );

						m_fireCount++;

						if ( m_health < ( m_data[m_type].initHealth >> 2 ) && m_fireCount < 2 )
						{
							m_timerTimer = GameState::getOneSecondInFrames() >> 2;
						}
						else
						{
							m_controlFunc = NPC_CONTROL_MOVEMENT;
							m_movementTimer = GameState::getOneSecondInFrames() * 3;

							m_state++;
							m_inRange = false;
							m_timerTimer = 0;
							m_fireCount = 0;
						}
					}
				}

				break;
			}

			default:
			{
				if ( !m_animPlaying )
				{
					m_animPlaying = true;
					m_animNo = m_data[m_type].moveAnim;
					m_frame = 0;
				}

				// charge player

				if ( playerXDistSqr + playerYDistSqr > 100 )
				{
					processGenericGotoTarget( _frames, playerXDist, playerYDist, 6 );
				}
				else
				{
					m_controlFunc = NPC_CONTROL_MOVEMENT;
					m_movementTimer = GameState::getOneSecondInFrames() * 3;
					m_state = FLYING_DUTCHMAN_ATTACK_PLAYER_1;
					m_inRange = false;

					s32 minX, maxX;
					m_npcPath.getPathXExtents( &minX, &maxX );

					if ( m_extension == minX )
					{
						m_extension = maxX;
					}
					else
					{
						m_extension = minX;
					}
				}

				break;
			}
		}
	}

	if ( playerXDist > 0 )
	{
		m_heading = 0;
	}
	else
	{
		m_heading = 2048;
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::processShotRecoil( int _frames )
{
	m_invulnerableTimer = 2 * GameState::getOneSecondInFrames();

	CNpcEnemy::processShotRecoil( _frames );
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::processShotDeathEnd( int _frames )
{
	CNpcEnemy::processShotDeathEnd( _frames );

	if ( isSetToShutdown() )
	{
		CGameScene::setBossHasBeenKilled();
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::shutdown()
{
	if ( m_state != NPC_GENERIC_HIT_DEATH_END )
	{
		CLevel::setIsBossRespawn( true );
		CLevel::setBossHealth( m_health );
	}

	CNpcBossEnemy::shutdown();
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::render()
{
	SprFrame = NULL;

	if ( m_isActive )
	{
		CEnemyThing::render();

		if (canRender())
		{
			DVECTOR &renderPos=getRenderPos();

			SprFrame = m_actorGfx->Render(renderPos,m_animNo,( m_frame >> 8 ),m_reversed);
			setSemiTrans( SprFrame, true );
			m_actorGfx->RotateScale( SprFrame, renderPos, 0, 4096, 4096 );

			sBBox boundingBox = m_actorGfx->GetBBox();
			setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
			setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( boundingBox.YMax + boundingBox.YMin ) >> 1 );
		}
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcFlyingDutchmanEnemy::collidedWith(CThing *_thisThing)
{
	if ( m_isActive && !m_isCaught && !m_isDying )
	{
		switch(_thisThing->getThingType())
		{
			case TYPE_PLAYER:
			{
				CPlayer *player = (CPlayer *) _thisThing;

				ATTACK_STATE playerState = player->getAttackState();

				if(playerState==ATTACK_STATE__NONE)
				{
					if ( !player->isRecoveringFromHit() )
					{
						switch( m_data[m_type].detectCollision )
						{
							case DETECT_NO_COLLISION:
							{
								// ignore

								break;
							}

							case DETECT_ALL_COLLISION:
							{
								m_oldControlFunc = m_controlFunc;
								m_controlFunc = NPC_CONTROL_COLLISION;

								processUserCollision( _thisThing );

								break;
							}

							case DETECT_ATTACK_COLLISION_GENERIC:
							{
								processAttackCollision();
								processUserCollision( _thisThing );

								break;
							}
						}
					}
				}
				else if ( m_invulnerableTimer <= 0 )
				{
					// player is attacking, respond appropriately

					if ( m_controlFunc != NPC_CONTROL_SHOT )
					{
						if(playerState==ATTACK_STATE__BUTT_BOUNCE)
						{
							player->justButtBouncedABadGuy();
						}
						m_controlFunc = NPC_CONTROL_SHOT;
						m_state = NPC_GENERIC_HIT_CHECK_HEALTH;

						drawAttackEffect();
					}
				}

				break;
			}

			case TYPE_ENEMY:
			{
				CNpcEnemy *enemy = (CNpcEnemy *) _thisThing;

				if ( canCollideWithEnemy() && enemy->canCollideWithEnemy() )
				{
					processEnemyCollision( _thisThing );
				}

				break;
			}

			default:
				ASSERT(0);
				break;
		}
	}
}