559 lines
10 KiB
C++
559 lines
10 KiB
C++
/*=========================================================================
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projectl.cpp
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Author: CRB
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Created:
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Project: Spongebob
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Purpose:
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Copyright (c) 2000 Climax Development Ltd
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===========================================================================*/
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#ifndef __PROJECTL_PROJECTL_H__
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#include "projectl\projectl.h"
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#endif
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#ifndef __GFX_SPRBANK_H__
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#include "gfx\sprbank.h"
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#endif
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#ifndef __LEVEL_LEVEL_H__
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#include "level\level.h"
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#endif
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#ifndef __FILE_EQUATES_H__
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#include <biglump.h>
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#endif
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#ifndef __SPR_SPRITES_H__
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#include <sprites.h>
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#endif
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#ifndef __VID_HEADER_
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#include "system\vid.h"
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#endif
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#ifndef __GAME_GAME_H__
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#include "game\game.h"
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#endif
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#ifndef __PLAYER_PLAYER_H__
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#include "player\player.h"
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#endif
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#ifndef __ENEMY_NPC_H__
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#include "enemy\npc.h"
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#endif
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/*****************************************************************************/
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void CProjectile::init()
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{
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CEnemyProjectileThing::init();
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m_spriteBank=new ("projectile sprites") SpriteBank();
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m_spriteBank->load(SPRITES_SPRITES_SPR);
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m_heading = 0;
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m_lifetime = GameState::getOneSecondInFrames() * 2;
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m_movementType = PROJECTILE_DUMBFIRE;
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m_lifetimeType = PROJECTILE_FINITE_LIFE;
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m_state = PROJECTILE_ATTACK;
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m_turnSpeed = 256;
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m_extension = 0;
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}
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void CProjectile::init( DVECTOR initPos, s16 initHeading )
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{
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init();
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m_heading = initHeading;
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m_initPos = Pos = initPos;
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}
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void CProjectile::init( DVECTOR initPos, s16 initHeading, PROJECTILE_MOVEMENT_TYPE initMoveType, PROJECTILE_LIFETIME_TYPE initLifeType )
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{
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init( initPos, initHeading );
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m_movementType = initMoveType;
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m_lifetimeType = initLifeType;
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}
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void CProjectile::init( DVECTOR initPos, s16 initHeading, PROJECTILE_MOVEMENT_TYPE initMoveType, PROJECTILE_LIFETIME_TYPE initLifeType, s32 initLifetime )
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{
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init( initPos, initHeading, initMoveType, initLifeType );
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m_lifetime = initLifetime;
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}
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void CProjectile::shutdown()
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{
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m_spriteBank->dump(); delete m_spriteBank;
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CEnemyProjectileThing::shutdown();
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}
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bool CProjectile::processTargetSeek( int _frames, DVECTOR targetPos )
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{
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s32 moveX = 0, moveY = 0;
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s16 moveDist = 0;
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s32 moveVel = 0;
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s32 xDist, yDist;
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s32 xDistSqr, yDistSqr;
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xDist = targetPos.vx - this->Pos.vx;
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xDistSqr = xDist * xDist;
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yDist = targetPos.vy - this->Pos.vy;
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yDistSqr = yDist * yDist;
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//if ( xDistSqr + yDistSqr > 22500 )
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//{
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//this->m_controlFunc = NPC_CONTROL_MOVEMENT;
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//}
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//else
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{
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s16 headingToTarget = ratan2( yDist, xDist );
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s16 maxTurnRate = m_turnSpeed;
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s16 decDir, incDir;
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decDir = m_heading - headingToTarget;
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if ( decDir < 0 )
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{
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decDir += ONE;
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}
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incDir = headingToTarget - m_heading;
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if ( incDir < 0 )
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{
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incDir += ONE;
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}
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if ( decDir < incDir )
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{
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moveDist = -decDir;
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}
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else
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{
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moveDist = incDir;
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}
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if ( moveDist < -maxTurnRate )
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{
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moveDist = -maxTurnRate;
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}
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else if ( moveDist > maxTurnRate )
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{
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moveDist = maxTurnRate;
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}
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m_heading += moveDist;
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m_heading &= 4095;
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s32 preShiftX = _frames * 3 * rcos( m_heading );
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s32 preShiftY = _frames * 3 * rsin( m_heading );
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moveX = preShiftX >> 12;
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if ( !moveX && preShiftX )
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{
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moveX = preShiftX / abs( preShiftX );
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}
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moveY = preShiftY >> 12;
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if ( !moveY && preShiftY )
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{
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moveY = preShiftY / abs( preShiftY );
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}
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Pos.vx += moveX;
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Pos.vy += moveY;
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}
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xDist = targetPos.vx - this->Pos.vx;
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xDistSqr = xDist * xDist;
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yDist = targetPos.vy - this->Pos.vy;
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yDistSqr = yDist * yDist;
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if ( xDistSqr + yDistSqr < 100 )
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{
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return( true );
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}
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else
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{
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return( false );
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}
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}
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void CProjectile::setMovementType( PROJECTILE_MOVEMENT_TYPE moveType )
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{
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m_movementType = moveType;
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}
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CProjectile::PROJECTILE_MOVEMENT_TYPE CProjectile::getMovementType()
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{
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return( m_movementType );
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}
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void CProjectile::setState( PROJECTILE_STATE newState )
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{
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m_state = newState;
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}
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void CProjectile::setPosition( DVECTOR newPos )
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{
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Pos = newPos;
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}
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void CProjectile::setLifeTime( PROJECTILE_LIFETIME_TYPE lifeType )
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{
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m_lifetimeType = lifeType;
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}
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void CProjectile::think(int _frames)
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{
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CEnemyProjectileThing::think( _frames );
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switch( m_movementType )
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{
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case PROJECTILE_FIXED:
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{
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// don't move at all
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break;
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}
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case PROJECTILE_USER_SEEK:
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{
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if ( m_layerCollision->Get( Pos.vx >> 4, Pos.vy >> 4 ) )
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{
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shutdown();
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delete this;
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}
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else
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{
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switch( m_state )
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{
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case PROJECTILE_RETURN:
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{
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if ( processTargetSeek( _frames, Parent->getPos() ) )
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{
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Parent->processEvent( PROJECTILE_RETURNED_TO_SOURCE_EVENT, this );
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}
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break;
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}
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case PROJECTILE_ATTACK:
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default:
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{
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CPlayer *player = GameScene.getPlayer();
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DVECTOR playerPos = player->getPos();
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if ( processTargetSeek( _frames, playerPos ) )
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{
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m_state = PROJECTILE_RETURN;
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}
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break;
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}
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}
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}
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break;
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}
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case PROJECTILE_GAS_CLOUD:
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{
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u16 targetExtension = 100 << 8;
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if ( m_extension < targetExtension )
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{
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m_extension += ( ( targetExtension - m_extension ) * _frames ) >> 8;
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Pos = m_initPos;
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Pos.vx += ( m_extension * rcos( m_heading ) ) >> 20;
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Pos.vy += ( m_extension * rsin( m_heading ) ) >> 20;
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}
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else
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{
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// expand
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}
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break;
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}
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case PROJECTILE_DUMBFIRE:
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default:
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{
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if ( m_layerCollision->Get( Pos.vx >> 4, Pos.vy >> 4 ) )
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{
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shutdown();
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delete this;
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}
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else
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{
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Pos.vx += ( _frames * 3 * rcos( m_heading ) ) >> 12;
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Pos.vy += ( _frames * 3 * rsin( m_heading ) ) >> 12;
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}
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break;
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}
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}
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if ( m_lifetimeType == PROJECTILE_FINITE_LIFE )
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{
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m_lifetime -= _frames;
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if ( m_lifetime <= 0 )
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{
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shutdown();
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delete this;
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}
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}
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}
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void CProjectile::render()
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{
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CEnemyProjectileThing::render();
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sFrameHdr *frameHdr;
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DVECTOR offset;
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int x,y;
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int scrnWidth = VidGetScrW();
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int scrnHeight = VidGetScrH();
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int spriteWidth = m_spriteBank->getFrameWidth(FRM__SPIKE);
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int spriteHeight = m_spriteBank->getFrameHeight(FRM__SPIKE);
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offset = getScreenOffset();
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x = Pos.vx - offset.vx /*+ ( scrnWidth >> 1 ) - ( spriteWidth >> 1 )*/;
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y = Pos.vy - offset.vy /*+ ( scrnHeight >> 1 ) - ( spriteHeight >> 1 )*/;
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if ( x < -spriteWidth || y < -spriteHeight || x > scrnWidth || y > scrnHeight )
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{
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return;
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}
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//m_spriteBank->printFT4(FRM__SPIKE,x,y,0,0,0);
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frameHdr = m_spriteBank->getFrameHeader(FRM__SPIKE);
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m_spriteBank->printRotatedScaledSprite( frameHdr, x, y, 4096, 4096, m_heading, 0 );
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}
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DVECTOR CProjectile::getScreenOffset()
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{
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return CLevel::getCameraPos();
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}
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void CProjectile::processEvent( GAME_EVENT evt, CThing *sourceThing )
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{
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}
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void CProjectile::collidedWith(CThing *_thisThing)
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{
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switch(_thisThing->getThingType())
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{
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case TYPE_PLAYER:
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{
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CPlayer *player = (CPlayer *) _thisThing;
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player->takeDamage( DAMAGE__HIT_ENEMY );
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if ( m_lifetimeType != PROJECTILE_INFINITE_LIFE )
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{
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shutdown();
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delete this;
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}
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break;
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}
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default:
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ASSERT(0);
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break;
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}
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}
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/*****************************************************************************/
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void CPlayerProjectile::init()
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{
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CPlayerProjectileThing::init();
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m_spriteBank=new ("projectile sprites") SpriteBank();
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m_spriteBank->load(SPRITES_SPRITES_SPR);
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m_heading = 0;
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m_lifetime = GameState::getOneSecondInFrames() * 2;
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m_movementType = PLAYER_PROJECTILE_DUMBFIRE;
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m_lifetimeType = PLAYER_PROJECTILE_FINITE_LIFE;
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m_turnSpeed = 256;
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m_extension = 0;
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m_frame = 0;
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m_reversed = 0;
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}
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void CPlayerProjectile::init( DVECTOR initPos, s16 initHeading )
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{
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init();
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m_heading = initHeading;
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m_initPos = Pos = initPos;
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if ( m_heading == 2048 )
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{
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m_reversed = 1;
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}
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}
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void CPlayerProjectile::init( DVECTOR initPos, s16 initHeading, PLAYER_PROJECTILE_MOVEMENT_TYPE initMoveType, PLAYER_PROJECTILE_LIFETIME_TYPE initLifeType )
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{
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init( initPos, initHeading );
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m_movementType = initMoveType;
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m_lifetimeType = initLifeType;
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}
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void CPlayerProjectile::init( DVECTOR initPos, s16 initHeading, PLAYER_PROJECTILE_MOVEMENT_TYPE initMoveType, PLAYER_PROJECTILE_LIFETIME_TYPE initLifeType, s32 initLifetime )
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{
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init( initPos, initHeading, initMoveType, initLifeType );
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m_lifetime = initLifetime;
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}
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void CPlayerProjectile::shutdown()
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{
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m_spriteBank->dump(); delete m_spriteBank;
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CPlayerProjectileThing::shutdown();
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}
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void CPlayerProjectile::setMovementType( PLAYER_PROJECTILE_MOVEMENT_TYPE moveType )
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{
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m_movementType = moveType;
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}
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CPlayerProjectile::PLAYER_PROJECTILE_MOVEMENT_TYPE CPlayerProjectile::getMovementType()
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{
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return( m_movementType );
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}
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void CPlayerProjectile::setPosition( DVECTOR newPos )
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{
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Pos = newPos;
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}
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void CPlayerProjectile::setLifeTime( PLAYER_PROJECTILE_LIFETIME_TYPE lifeType )
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{
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m_lifetimeType = lifeType;
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}
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void CPlayerProjectile::think(int _frames)
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{
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CPlayerProjectileThing::think( _frames );
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m_frame += _frames;
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if ( m_frame > 5 )
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{
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m_frame -= 5;
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}
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switch( m_movementType )
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{
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case PLAYER_PROJECTILE_DUMBFIRE:
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default:
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{
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if ( m_layerCollision->Get( Pos.vx >> 4, Pos.vy >> 4 ) )
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{
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shutdown();
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delete this;
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}
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else
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{
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Pos.vx += ( _frames * 2 * rcos( m_heading ) ) >> 12;
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Pos.vy += ( _frames * 2 * rsin( m_heading ) ) >> 12;
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}
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break;
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}
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}
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if ( m_lifetimeType == PLAYER_PROJECTILE_FINITE_LIFE )
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{
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m_lifetime -= _frames;
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if ( m_lifetime <= 0 )
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{
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shutdown();
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delete this;
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}
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}
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}
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void CPlayerProjectile::render()
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{
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CPlayerProjectileThing::render();
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DVECTOR offset;
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int x,y;
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int scrnWidth = VidGetScrW();
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int scrnHeight = VidGetScrH();
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int spriteWidth = m_spriteBank->getFrameWidth(m_frame);
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int spriteHeight = m_spriteBank->getFrameHeight(m_frame);
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offset = getScreenOffset();
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x = Pos.vx - offset.vx /*+ ( scrnWidth >> 1 )*/ - ( spriteWidth >> 1 );
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y = Pos.vy - offset.vy /*+ ( scrnHeight >> 1 )*/ - ( spriteHeight >> 1 );
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if ( x < -spriteWidth || y < -spriteHeight || x > scrnWidth || y > scrnHeight )
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{
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return;
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}
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SprFrame = m_spriteBank->printFT4(m_frame,x,y,m_reversed,0,10);
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setRGB0( SprFrame, 255, 128, 255 );
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}
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DVECTOR CPlayerProjectile::getScreenOffset()
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{
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return CLevel::getCameraPos();
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}
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void CPlayerProjectile::processEvent( GAME_EVENT evt, CThing *sourceThing )
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{
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}
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void CPlayerProjectile::collidedWith(CThing *_thisThing)
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{
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switch(_thisThing->getThingType())
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{
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case TYPE_ENEMY:
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{
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CNpcEnemy *enemy = (CNpcEnemy *) _thisThing;
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enemy->hasBeenAttacked();
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break;
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}
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default:
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ASSERT(0);
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break;
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}
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}
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/*****************************************************************************/
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