SBSPSS/source/enemy/nhcrab.cpp

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/*=========================================================================
nhcrab.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __ENEMY_NPC_H__
#include "enemy\npc.h"
#endif
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#ifndef __ENEMY_NHCRAB_H__
#include "enemy\nhcrab.h"
#endif
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#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
#ifndef __ANIM_HERMITCRAB_HEADER__
#include <ACTOR_HERMITCRAB_ANIM.h>
#endif
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#ifndef __VID_HEADER_
#include "system\vid.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcHermitCrabEnemy::postInit()
{
m_npcPath.setPathType( CNpcPath::PONG_PATH );
m_state = HERMIT_CRAB_NO_ATTACK;
}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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bool CNpcHermitCrabEnemy::processSensor()
{
switch( m_sensorFunc )
{
case NPC_SENSOR_NONE:
return( false );
default:
{
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if ( playerXDistSqr + playerYDistSqr < 4000 )
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{
m_controlFunc = NPC_CONTROL_CLOSE;
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if( m_soundId != NOT_PLAYING )
{
CSoundMediator::stopAndUnlockSfx( (xmPlayingId) m_soundId );
m_soundId = NOT_PLAYING;
}
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return( true );
}
else
{
return( false );
}
}
}
}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcHermitCrabEnemy::processClose( int _frames )
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{
if ( m_state == HERMIT_CRAB_NO_ATTACK )
{
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m_state = HERMIT_CRAB_ROLL_ATTACK_JUMP1;
m_movementTimer = 0;
m_jumpBase = Pos.vy;
if ( playerXDist > 0 )
{
m_extendDir = EXTEND_RIGHT;
m_heading = 0;
}
else
{
m_extendDir = EXTEND_LEFT;
m_heading = 2048;
}
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}
switch( m_state )
{
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case HERMIT_CRAB_ROLL_ATTACK_JUMP1:
case HERMIT_CRAB_ROLL_ATTACK_JUMP2:
{
s16 sineVal = ( m_movementTimer << 11 ) / ( GameState::getOneSecondInFrames() >> 3 );
Pos.vy = m_jumpBase - ( ( 10 * rsin( sineVal ) ) >> 12 );
if ( m_movementTimer < ( GameState::getOneSecondInFrames() >> 3 ) )
{
m_movementTimer++;
}
else
{
m_state++;
m_movementTimer = 0;
}
break;
}
case HERMIT_CRAB_ROLL_ATTACK_ROLL:
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{
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if ( !m_animPlaying || m_animNo == m_data[m_type].moveAnim )
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{
switch( m_animNo )
{
case ANIM_HERMITCRAB_ROLLATTACK:
{
m_state = HERMIT_CRAB_NO_ATTACK;
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_timerFunc = NPC_TIMER_ATTACK_DONE;
m_timerTimer = GameState::getOneSecondInFrames();
m_sensorFunc = NPC_SENSOR_NONE;
break;
}
default:
{
m_animPlaying = true;
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m_animNo = ANIM_HERMITCRAB_ROLLATTACK;
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m_frame = 0;
break;
}
}
}
if ( m_animNo == ANIM_HERMITCRAB_ROLLATTACK )
{
// check for vertical movement
s32 moveX = 0, moveY = 0;
s32 groundHeight;
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s32 fallSpeed = 3;
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s8 yMovement = fallSpeed * _frames;
moveX = 6 * _frames;
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m_heading = 0;
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if ( m_extendDir == EXTEND_LEFT )
{
moveX = -moveX;
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m_heading = 2048;
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}
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s32 minX, maxX, newX;
m_npcPath.getPathXExtents( &minX, &maxX );
newX = Pos.vx + moveX;
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if ( newX < minX || newX > maxX )
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{
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// moving outside path constraints, abort
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m_animPlaying = false;
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}
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else
{
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groundHeight = CGameScene::getCollision()->getHeightFromGround( newX, Pos.vy, yMovement + 16 );
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if ( groundHeight <= yMovement )
{
// groundHeight <= yMovement indicates either just above ground or on or below ground
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moveY = groundHeight;
}
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else
{
// fall
moveY = yMovement;
}
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Pos.vx = newX;
Pos.vy += moveY;
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// sound
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if ( m_soundId == NOT_PLAYING )
{
m_soundId = (int) CSoundMediator::playSfx( CSoundMediator::SFX_HERMIT_CRAB_ATTACK, true );
}
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}
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}
}
default:
break;
}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcHermitCrabEnemy::processMovementModifier( int _frames, s32 distX, s32 distY, s32 dist, s16 headingChange )
{
Pos.vx += distX;
Pos.vy += distY;
// sort out draw rotation
DVECTOR testPos1, testPos2;
testPos1 = testPos2 = Pos;
testPos1.vx -= 10;
testPos2.vx += 10;
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testPos1.vy += CGameScene::getCollision()->getHeightFromGround( testPos1.vx, testPos1.vy, 16 );
testPos2.vy += CGameScene::getCollision()->getHeightFromGround( testPos2.vx, testPos2.vy, 16 );
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s32 xDist = testPos2.vx - testPos1.vx;
s32 yDist = testPos2.vy - testPos1.vy;
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s16 heading = ratan2( yDist, xDist ) & 4095;
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m_drawRotation = heading;
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// sound
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if( m_soundId == NOT_PLAYING )
{
m_soundId = (int) CSoundMediator::playSfx( CSoundMediator::SFX_HERMIT_CRAB_MOVE, true );
}
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}