SBSPSS/source/enemy/nscrab.cpp
Charles 55e36f25d3
2001-08-15 15:02:17 +00:00

405 lines
8.2 KiB
C++

/*=========================================================================
nscrab.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2000 Climax Development Ltd
===========================================================================*/
#ifndef __ENEMY_NPC_H__
#include "enemy\npc.h"
#endif
#ifndef __ENEMY_NSCRAB_H__
#include "enemy\nscrab.h"
#endif
#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
#ifndef __PLAYER_PLAYER_H__
#include "player\player.h"
#endif
#ifndef __ANIM_SPIDERCRAB_HEADER__
#include <ACTOR_SPIDERCRAB_ANIM.h>
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::postInit()
{
m_npcPath.setPathType( CNpcPath::PONG_PATH );
if ( CGameScene::getCollision()->getHeightFromGround( Pos.vx, Pos.vy - 24, 16 ) <= 0 )
{
// starting off below ground, jump initially
m_velocity = 5;
m_state = SPIDER_CRAB_INIT_JUMP;
m_initDelay = 2 * GameState::getOneSecondInFrames();
}
else
{
m_velocity = m_data[m_type].speed;
m_initDelay = 0;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool CNpcSpiderCrabEnemy::processSensor()
{
switch( m_sensorFunc )
{
case NPC_SENSOR_NONE:
return( false );
default:
{
if ( abs( playerXDist ) < 64 && m_initDelay <= 0 )
{
// only attack if within path extents
s32 minX, maxX;
m_npcPath.getPathXExtents( &minX, &maxX );
if ( playerXDist < 0 )
{
m_extendDir = EXTEND_LEFT;
if ( ( Pos.vx + playerXDist ) < minX )
{
return( false );
}
}
else
{
m_extendDir = EXTEND_RIGHT;
if ( ( Pos.vx + playerXDist ) > maxX )
{
return( false );
}
}
m_attackDist = abs( playerXDist );
if ( m_attackDist < 1 )
{
m_attackDist = 1;
}
m_controlFunc = NPC_CONTROL_CLOSE;
m_extension = 0;
m_velocity = 5;
m_base = Pos;
m_jumpDelay = GameState::getOneSecondInFrames() >> 1;
m_animPlaying = false;
// sound
if( m_soundId != NOT_PLAYING )
{
CSoundMediator::stopAndUnlockSfx( (xmPlayingId) m_soundId );
}
m_soundId = (int) CSoundMediator::playSfx( CSoundMediator::SFX_SPIDERCRAB_ATTACK, true );
return( true );
}
else
{
return( false );
}
}
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::processClose( int _frames )
{
if ( m_jumpDelay > 0 )
{
m_jumpDelay -= _frames;
}
else
{
s32 velocity;
DVECTOR newPos = Pos;
if ( m_animNo != ANIM_SPIDERCRAB_JUMP )
{
m_animPlaying = true;
m_animNo = ANIM_SPIDERCRAB_JUMP;
m_frame = 0;
}
velocity = ( m_velocity * _frames ) >> 1;
if ( m_extendDir == EXTEND_RIGHT )
{
m_extension += velocity;
m_heading = 0;
}
else
{
m_extension -= velocity;
m_heading = 2048;
}
bool completed = false;
if ( m_extension > m_attackDist )
{
m_extension = m_attackDist;
completed = true;
}
else if ( m_extension < -m_attackDist )
{
m_extension = -m_attackDist;
completed = true;
}
newPos.vx = m_base.vx + m_extension;
newPos.vy = m_base.vy - ( ( SPIDER_CRAB_HEIGHT * rsin( abs( ( m_extension << 11 ) / m_attackDist ) ) ) >> 12 );
s32 minX, maxX;
m_npcPath.getPathXExtents( &minX, &maxX );
if ( newPos.vx < minX )
{
newPos.vx = minX;
}
else if ( newPos.vx > maxX )
{
newPos.vx = maxX;
}
// check for collision with ground
s16 extensionDist = abs( newPos.vy - ( m_base.vy - SPIDER_CRAB_HEIGHT ) );
s16 groundHeight = CGameScene::getCollision()->getHeightFromGround( newPos.vx, m_base.vy - SPIDER_CRAB_HEIGHT, extensionDist );
if ( groundHeight < extensionDist )
{
// abort jump
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_timerFunc = NPC_TIMER_ATTACK_DONE;
m_timerTimer = GameState::getOneSecondInFrames();
m_sensorFunc = NPC_SENSOR_NONE;
m_extension = 0;
completed = false;
Pos = newPos;
Pos.vy = m_base.vy - SPIDER_CRAB_HEIGHT + groundHeight;
}
else
{
Pos = newPos;
}
if ( completed )
{
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_timerFunc = NPC_TIMER_ATTACK_DONE;
m_timerTimer = GameState::getOneSecondInFrames();
m_sensorFunc = NPC_SENSOR_NONE;
m_extension = 0;
}
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::processCollision()
{
if ( m_oldControlFunc == NPC_CONTROL_CLOSE )
{
// bite player
if ( m_animNo != ANIM_SPIDERCRAB_BITE )
{
CPlayer *player = GameScene.getPlayer();
player->takeDamage( m_data[m_type].damageToUserType );
m_animNo = ANIM_SPIDERCRAB_BITE;
m_animPlaying = true;
m_frame = 0;
}
else if ( !m_animPlaying )
{
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_timerFunc = NPC_TIMER_ATTACK_DONE;
m_timerTimer = GameState::getOneSecondInFrames();
m_sensorFunc = NPC_SENSOR_NONE;
m_extension = 0;
}
}
else
{
CPlayer *player = GameScene.getPlayer();
player->takeDamage( m_data[m_type].damageToUserType );
m_controlFunc = m_oldControlFunc;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::processSpiderCrabInitJumpMovement( int _frames )
{
s32 velocity;
bool completed = false;
bool collision = false;
if ( m_animNo != ANIM_SPIDERCRAB_JUMP )
{
m_animPlaying = true;
m_animNo = ANIM_SPIDERCRAB_JUMP;
m_frame = 0;
}
velocity = m_velocity * _frames;
m_extension += velocity;
if ( m_extension > 128 )
{
m_extension = 128;
completed = true;
}
Pos.vy = m_base.vy - ( ( 50 * rsin( abs( m_extension ) << 4 ) ) >> 12 );
/*if ( m_extension > 64 )
{
// check for collision on the way back down
if ( CGameScene::getCollision()->getHeightFromGround( Pos.vx, Pos.vy ) < 0 )
{
collision = true;
}
}
if ( completed || collision )
{
m_state = SPIDER_CRAB_DEFAULT;
}*/
if ( m_extension > 64 )
{
m_state = SPIDER_CRAB_DEFAULT;
m_velocity = m_data[m_type].speed;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::processMovement(int _frames)
{
s32 moveX = 0, moveY = 0;
s32 moveVel = 0;
s32 moveDist = 0;
if ( m_state == SPIDER_CRAB_INIT_JUMP )
{
processSpiderCrabInitJumpMovement( _frames );
}
else
{
if ( m_initDelay > 0 )
{
m_initDelay -= _frames;
}
processGenericFixedPathWalk( _frames, &moveX, &moveY );
if ( !m_animPlaying )
{
m_animPlaying = true;
m_animNo = m_data[m_type].moveAnim;
m_frame = 0;
}
}
processMovementModifier( _frames, moveX, moveY, moveVel, moveDist );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::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;
int groundDist = CGameScene::getCollision()->getHeightFromGround( testPos1.vx, testPos1.vy, 16 );
if ( abs( groundDist ) > 15 )
{
m_drawRotation = 0;
return;
}
testPos1.vy += groundDist;
groundDist = CGameScene::getCollision()->getHeightFromGround( testPos2.vx, testPos2.vy, 16 );
if ( abs( groundDist ) > 15 )
{
m_drawRotation = 0;
return;
}
testPos2.vy += groundDist;
s32 xDist = testPos2.vx - testPos1.vx;
s32 yDist = testPos2.vy - testPos1.vy;
s16 heading = ratan2( yDist, xDist ) & 4095;
m_drawRotation = heading;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSpiderCrabEnemy::processEnemyCollision( CThing *thisThing )
{
if ( m_state != SPIDER_CRAB_INIT_JUMP )
{
CNpcEnemy::processEnemyCollision( thisThing );
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
u8 CNpcSpiderCrabEnemy::canCollideWithEnemy()
{
return( m_state != SPIDER_CRAB_INIT_JUMP );
}