117 lines
2.1 KiB
C++
117 lines
2.1 KiB
C++
/*=========================================================================
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nshrkman.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 __ENEMY_NPC_H__
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#include "enemy\npc.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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void CNpc::processCloseSharkManAttack( int _frames )
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{
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s32 moveX = 0, moveY = 0;
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s32 groundHeight;
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s16 decDir, incDir, moveDist;
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s32 direction;
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s32 maxHeight = 10;
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s32 fallSpeed = 2;
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s8 yMovement = fallSpeed * _frames;
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s16 headingToPlayer = ratan2( playerYDist, playerXDist );
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decDir = m_heading - headingToPlayer;
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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 = headingToPlayer - 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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s32 xDistWaypoint, yDistWaypoint;
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m_npcPath.getDistToNextWaypoint( Pos, &xDistWaypoint, &yDistWaypoint );
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if ( abs( moveDist ) < 1024 && abs( xDistWaypoint ) >= abs( playerXDist ) )
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{
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// continue charge
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if ( playerXDist != 0 )
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{
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direction = playerXDist / abs( playerXDist );
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}
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else
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{
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direction = 1;
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}
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if ( m_layerCollision->getHeightFromGround( Pos.vx + ( _frames * m_velocity * direction ), Pos.vy ) < -maxHeight )
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{
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// there is an obstacle in the way, abort
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m_controlFunc = NPC_CONTROL_MOVEMENT;
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m_timerFunc = NPC_TIMER_ATTACK_DONE;
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m_timerTimer = GameState::getOneSecondInFrames();
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m_sensorFunc = NPC_SENSOR_NONE;
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}
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else
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{
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// check for vertical movement
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groundHeight = m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
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if ( groundHeight <= yMovement )
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{
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// groundHeight <= yMovement indicates either just above ground or on or below ground
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moveX = _frames * m_velocity * direction;
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moveY = groundHeight;
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}
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else
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{
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// fall
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moveY = yMovement;
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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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}
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else
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{
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m_controlFunc = NPC_CONTROL_MOVEMENT;
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}
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}
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