SBSPSS/source/hazard/hdbarrel.cpp

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/*=========================================================================
hdbarrel.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __HAZARD_HDBARREL_H__
#include "hazard\hdbarrel.h"
#endif
#ifndef __LAYER_COLLISION_H__
#include "level\layercollision.h"
#endif
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#ifndef __PLATFORM_PLATFORM_H__
#include "platform\platform.h"
#endif
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#ifndef __VID_HEADER_
#include "system\vid.h"
#endif
#ifndef __LEVEL_LEVEL_H__
#include "level\level.h"
#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatformBarrelHazard::init()
{
CNpcHazard::init();
m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
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m_rotation = 0;
m_rotationDir = 1;
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}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatformBarrelHazard::processMovement( int _frames )
{
s32 maxHeight = 20;
s32 distX, distY;
s32 fallSpeed = 3;
s8 yMovement = fallSpeed * _frames;
s32 groundHeight;
s32 moveX = 0;
s32 moveY = 0;
// ignore y component of waypoint, since we are stuck to the ground
bool pathComplete;
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m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &m_heading );
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if ( pathComplete )
{
// reset
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Pos = m_base;
m_npcPath.resetPath();
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return;
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}
else
{
// check for collision
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if ( distX )
{
distX = distX / abs( distX );
}
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if ( m_layerCollision->getHeightFromGround( Pos.vx + ( distX * 3 * _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 * 3 * _frames;
moveY = groundHeight;
}
else
{
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CNpcPlatform *platform = (CNpcPlatform *) isOnPlatform();
if ( platform )
{
// stick to platform top
moveY = platform->getHeightFromPlatformAtPosition( Pos.vx, Pos.vy + yMovement );
if ( !platform->canDrop() )
{
// if platform cannot drop any further, move in X
moveX = distX * 3 * _frames;
}
}
else
{
// fall
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moveY = yMovement;
}
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}
}
}
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if ( moveX )
{
m_rotationDir = abs( moveX ) / moveX;
}
else
{
m_rotationDir = 0;
}
m_rotation += m_rotationDir * 64 * _frames;
m_rotation &= 4095;
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Pos.vx += moveX;
Pos.vy += moveY;
s32 minY, maxY;
m_npcPath.getPathYExtents( &minY, &maxY );
if ( Pos.vy > maxY )
{
Pos = m_base;
m_npcPath.resetPath();
}
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}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatformBarrelHazard::render()
{
CHazardThing::render();
// Render
DVECTOR renderPos;
DVECTOR offset = CLevel::getCameraPos();
renderPos.vx = Pos.vx - offset.vx;
renderPos.vy = Pos.vy - offset.vy;
CRECT collisionRect = getCollisionArea();
collisionRect.x1 -= Pos.vx;
collisionRect.x2 -= Pos.vx;
collisionRect.y1 -= Pos.vy;
collisionRect.y2 -= Pos.vy;
if ( renderPos.vx + collisionRect.x2 >= 0 && renderPos.vx + collisionRect.x1 <= VidGetScrW() )
{
if ( renderPos.vy + collisionRect.y2 >= 0 && renderPos.vy + collisionRect.y1 <= VidGetScrH() )
{
SVECTOR rotation;
rotation.vx = 0;
rotation.vy = 0;
rotation.vz = m_rotation;
VECTOR scale;
scale.vx = ONE;
scale.vy = ONE;
scale.vz = ONE;
m_modelGfx->Render(renderPos,&rotation,&scale);
}
}
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}