source/platform/psoil.cpp

@@ -0,0 +1,181 @@
+/*=========================================================================
+
+	psoil.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __PLATFORM_PSOIL_H__
+#include "platform\psoil.h"
+#endif
+
+#ifndef __GAME_GAME_H__
+#include	"game\game.h"
+#endif
+
+#ifndef __VID_HEADER_
+#include "system\vid.h"
+#endif
+
+#ifndef	__UTILS_HEADER__
+#include	"utils\utils.h"
+#endif
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcSteerableOildrumPlatform::processMovement( int _frames )
+{
+	s32 maxHeight = 20;
+	s32 fallSpeed = 3;
+	s8 yMovement = fallSpeed * _frames;
+	s32 groundHeight;
+
+	s32 moveX = 0;
+	s32 moveY = 0;
+
+	CPlayer *player = GameScene.getPlayer();
+
+	if ( m_contact )
+	{
+		DVECTOR playerPos = player->getPos();
+
+		DVECTOR *playerVel = player->getMoveVelocity();
+
+		/*s32 speedChange = -playerVel->vx << 8;
+
+		if ( speedChange > ( _frames << 5 ) )
+		{
+			speedChange = _frames << 5;
+		}
+		else if ( speedChange < -( _frames << 5 ) )
+		{
+			speedChange = -_frames << 5;
+		}
+
+		m_currentSpeed += speedChange;
+
+		if ( m_currentSpeed > ( m_speed << 8 ) )
+		{
+			m_currentSpeed = ( m_speed << 8 );
+		}
+		else if ( m_currentSpeed < -( m_speed << 8 ) )
+		{
+			m_currentSpeed = -( m_speed << 8 );
+		}*/
+
+		m_currentSpeed = -playerVel->vx << 4;
+
+		/*s32 playerX = playerPos.vx - this->Pos.vx;
+
+		if ( playerX > 5 )
+		{
+			// increase barrel speed to right
+
+			m_currentSpeed += _frames << 2;
+
+			if ( m_currentSpeed > ( m_speed << 8 ) )
+			{
+				m_currentSpeed = ( m_speed << 8 );
+			}
+		}
+		else if ( playerX < -5 )
+		{
+			m_currentSpeed -= _frames << 2;
+
+			if ( m_currentSpeed < -( m_speed << 8 ) )
+			{
+				m_currentSpeed = -( m_speed << 8 );
+			}
+		}*/
+	}
+	else
+	{
+		// reduce speed
+
+		/*s32 speedReduce = -m_currentSpeed;
+
+		if ( speedReduce > _frames )
+		{
+			speedReduce = _frames;
+		}
+		else if ( speedReduce < -_frames )
+		{
+			speedReduce = -_frames;
+		}
+
+		m_currentSpeed += speedReduce;*/
+
+		m_currentSpeed = 0;
+	}
+
+	/*m_moveXHighRes += m_currentSpeed * _frames;
+
+	moveX = m_moveXHighRes >> 8;
+	m_moveXHighRes -= moveX << 8;*/
+
+	moveX = ( m_currentSpeed * _frames ) >> 8;
+
+	// check for collision
+
+	if ( CGameScene::getCollision()->getHeightFromGround( Pos.vx + moveX, Pos.vy + 20 ) < -maxHeight )
+	{
+		moveX = 0;
+		m_currentSpeed = 0;
+	}
+
+	m_rotation += ( m_currentSpeed * 30 * _frames ) >> 10;
+	m_rotation &= 4095;
+
+	if ( m_contact )
+	{
+		DVECTOR shove;
+		shove.vx = moveX;
+		shove.vy = 0;
+		player->shove(shove);
+	}
+
+	// check for vertical movement
+
+	groundHeight = CGameScene::getCollision()->getHeightFromGround( Pos.vx + moveX, Pos.vy + 20, yMovement + 16 );
+
+	if ( groundHeight <= yMovement )
+	{
+		// groundHeight <= yMovement indicates either just above ground or on or below ground
+
+		moveY = groundHeight;
+	}
+	else
+	{
+		// fall
+
+		moveY = yMovement;
+	}
+
+	Pos.vx += moveX;
+	Pos.vy += moveY;
+
+	s32 minX, maxX;
+
+	m_npcPath.getPathXExtents( &minX, &maxX );
+
+	if ( minX != maxX )
+	{
+		if ( Pos.vx < minX )
+		{
+			Pos.vx = minX;
+			m_currentSpeed = 0;
+		}
+		else if ( Pos.vx > maxX )
+		{
+			Pos.vx = maxX;
+			m_currentSpeed = 0;
+		}
+	}
+}