SBSPSS/source/platform/praft.cpp
Charles c2d7d07d8b
2001-05-21 14:22:26 +00:00

142 lines
2.8 KiB
C++

/*=========================================================================
praft.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PRAFT_H__
#include "platform\praft.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcRaftPlatform::postInit()
{
CNpcPlatform::postInit();
m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
m_isActivated = false;
m_isSinking = false;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcRaftPlatform::processMovement( int _frames )
{
s32 groundHeight;
s32 maxHeight = 20;
s32 distX, distY;
s32 fallSpeed = 3;
s8 yMovement = fallSpeed * _frames;
s32 moveX = 0;
s32 moveY = 0;
if ( m_isActivated )
{
if ( m_isSinking )
{
Pos.vy += _frames;
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy - 32 );
if ( groundHeight <= 0 )
{
m_isActive = false;
m_timer = getRnd() % ( 2 * GameState::getOneSecondInFrames() );
m_timerType = NPC_PLATFORM_TIMER_RESPAWN;
m_isActivated = false;
m_npcPath.resetPath();
m_isSinking = false;
}
}
else
{
// ignore y component of waypoint, since we are stuck to the ground
bool pathComplete;
m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &m_heading );
if ( pathComplete )
{
m_isSinking = true;
}
else
{
// check for collision
distX = distX / abs( distX );
if ( m_layerCollision->getHeightFromGround( Pos.vx + ( distX * m_speed * _frames ), Pos.vy ) < -maxHeight )
{
// there is an obstacle in the way, increment the path point (hopefully this will resolve the problem)
m_npcPath.incPath();
}
else
{
// check for vertical movement
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
if ( groundHeight <= yMovement )
{
// groundHeight <= yMovement indicates either just above ground or on or below ground
moveX = distX * m_speed * _frames;
moveY = groundHeight;
}
else
{
// fall
moveY = yMovement;
}
}
}
Pos.vx += moveX;
Pos.vy += moveY;
}
}
else
{
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
if ( groundHeight <= yMovement )
{
moveY = groundHeight;
}
else
{
// fall
moveY = yMovement;
}
Pos.vy += moveY;
if ( m_contact )
{
m_isActivated = true;
}
}
}