SBSPSS/source/enemy/nanemone.cpp

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

	nanemone.cpp

	Author:		CRB
	Created: 
	Project:	Spongebob
	Purpose: 

	Copyright (c) 2000 Climax Development Ltd

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

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

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

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

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


void CNpcEnemy::processCloseAnemone1Attack( int _frames )
{
	s32 moveX, moveY;
	s16 decDir, incDir, moveDist;
	s16 maxTurnRate = m_data[m_type].turnSpeed;
	bool withinRange = false;

	s16 headingToPlayer = ratan2( playerYDist, playerXDist );

	decDir = m_fireHeading - headingToPlayer;

	if ( decDir < 0 )
	{
		decDir += ONE;
	}

	incDir = headingToPlayer - m_fireHeading;

	if ( incDir < 0 )
	{
		incDir += ONE;
	}

	if ( decDir < incDir )
	{
		moveDist = decDir;
	}
	else
	{
		moveDist = incDir;
	}

	// check user is within 45 degrees either way

	if ( moveDist < 512 )
	{
		decDir = m_heading - headingToPlayer;

		if ( decDir < 0 )
		{
			decDir += ONE;
		}

		incDir = headingToPlayer - m_heading;

		if ( incDir < 0 )
		{
			incDir += ONE;
		}

		if ( decDir < incDir )
		{
			moveDist = decDir;
		}
		else
		{
			moveDist = incDir;
		}

		if ( moveDist < -maxTurnRate )
		{
			moveDist = -maxTurnRate;
		}
		else if ( moveDist > maxTurnRate )
		{
			moveDist = maxTurnRate;
		}
		else
		{
			withinRange = true;
		}

		m_heading += moveDist;

		m_heading = m_heading % ONE;

		if ( withinRange )
		{
			// can fire

			if ( m_timerTimer <= 0 )
			{
				CProjectile *projectile;
				projectile = new( "test projectile" ) CProjectile;
				projectile->init( Pos, m_heading );

				m_controlFunc = NPC_CONTROL_MOVEMENT;
				m_timerTimer = GameState::getOneSecondInFrames();
			}
		}
	}
}

void CNpcEnemy::processCloseAnemone2Attack( int _frames )
{
	int fireLoop;
	CProjectile *projectile;
	s16 heading;

	for ( fireLoop = 0 ; fireLoop < 5 ; fireLoop++ )
	{
		heading = m_heading - 1024 + ( fireLoop * 512 );
		heading %= 4096;

		projectile = new( "test projectile" ) CProjectile;
		projectile->init( Pos, heading );
	}

	m_controlFunc = NPC_CONTROL_MOVEMENT;
	m_timerFunc = NPC_TIMER_ATTACK_DONE;
	m_timerTimer = GameState::getOneSecondInFrames();
	m_sensorFunc = NPC_SENSOR_NONE;
}

void CNpcEnemy::processCloseAnemone3Attack( int _frames )
{
	CProjectile *projectile;
	u8 lifetime = 8;

	projectile = new( "test projectile" ) CProjectile;
	projectile->init(	Pos,
						m_fireHeading,
						CProjectile::PROJECTILE_GAS_CLOUD,
						CProjectile::PROJECTILE_FINITE_LIFE,
						lifetime * GameState::getOneSecondInFrames() );

	m_controlFunc = NPC_CONTROL_MOVEMENT;
	m_timerFunc = NPC_TIMER_ATTACK_DONE;
	m_timerTimer = ( lifetime + 4 ) * GameState::getOneSecondInFrames();
	m_sensorFunc = NPC_SENSOR_NONE;
}