source/hazard/hrrock.cpp

@@ -0,0 +1,278 @@
+/*=========================================================================
+
+	hrrock.cpp
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HRROCK_H__
+#include "hazard\hrrock.h"
+#endif
+
+#ifndef __LAYER_COLLISION_H__
+#include "level\layercollision.h"
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcRollingRockHazard::init()
+{
+	CNpcHazard::init();
+
+	m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
+	m_rotation = 0;
+	m_jump = false;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcRollingRockHazard::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;
+	bool waypointChange;
+
+	m_npcPath.think( Pos, &pathComplete, &waypointChange, &distX, &distY );
+
+	if ( pathComplete )
+	{
+		// reset
+
+		Pos = m_base;
+		m_npcPath.resetPath();
+		m_jump = false;
+
+		return;
+	}
+	else
+	{
+		if ( distX )
+		{
+			// move along ground
+
+			s32 groundSpeed = 3 * _frames;
+
+			moveX = distX;
+
+			if ( moveX > groundSpeed )
+			{
+				moveX = groundSpeed;
+			}
+			else if ( moveX < -groundSpeed )
+			{
+				moveX = -groundSpeed;
+			}
+
+			if ( m_jump )
+			{
+				// process jump movement
+
+				if ( m_jumpVel < ( 16 << 8 ) )
+				{
+					m_jumpVel += 128 * _frames;
+				}
+
+				moveY += m_jumpVel >> 8;
+
+				groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy + moveY, 16 );
+
+				if ( groundHeight < 16 )
+				{
+					// have hit ground
+
+					m_jump = false;
+					moveY += groundHeight;
+				}
+			}
+			else
+			{
+				// check for vertical movement
+
+				groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy, 64 );
+
+				if ( groundHeight < 64 )
+				{
+					// groundHeight <= yMovement indicates either just above ground or on or below ground
+
+					moveY = groundHeight;
+				}
+				else
+				{
+					// cannot find ground immediately below
+
+					m_jump = true;
+
+					m_jumpVel = 0;
+					moveY = 0;
+				}
+			}
+		}
+		else
+		{
+			// drop vertically
+
+			// 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
+
+				moveY = groundHeight;
+
+				// increment path if we hit the ground at this stage
+				
+				m_npcPath.incPath();
+				m_jump = false;
+			}
+			else
+			{
+				// fall
+
+				moveY = yMovement;
+			}
+		}
+	}
+
+
+
+
+
+
+
+	/*if ( m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &m_heading ) )
+	{
+		if ( pathComplete )
+		{
+			// reset
+
+			Pos = m_base;
+			m_npcPath.resetPath();
+
+			return;
+		}
+		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
+
+				moveY = groundHeight;
+			}
+			else
+			{
+				// fall
+
+				moveY = yMovement;
+			}
+		}
+	}
+	else
+	{
+		// check for collision
+
+		distX = distX / abs( distX );
+
+		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 );
+
+			moveX = distX * 3 * _frames;
+
+			if ( groundHeight <= yMovement )
+			{
+				// groundHeight <= yMovement indicates either just above ground or on or below ground
+
+				moveY = groundHeight;
+			}
+			else
+			{
+				// fall
+
+				moveY = yMovement;
+			}
+		}
+	}*/
+
+	if ( moveX < 0 )
+	{
+		m_rotation -= 64 * _frames;
+		m_rotation &= 4095;
+	}
+	else if ( moveX > 0 )
+	{
+		m_rotation += 64 * _frames;
+		m_rotation &= 4095;
+	}
+
+	Pos.vx += moveX;
+	Pos.vy += moveY;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcRollingRockHazard::render()
+{
+	CHazardThing::render();
+
+	if (canRender())
+	{
+		DVECTOR &renderPos=getRenderPos();
+
+		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);
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+const CRECT *CNpcRollingRockHazard::getThinkBBox()
+{
+	CRECT objThinkBox = getCollisionArea();
+
+	sBBox &thinkBBox = CThingManager::getThinkBBox();
+	objThinkBox.x1 = thinkBBox.XMin;
+	objThinkBox.x2 = thinkBBox.XMax;
+	objThinkBox.y1 = thinkBBox.YMin;
+	objThinkBox.y2 = thinkBBox.YMax;
+
+	return &objThinkBox;
+}

source/hazard/hrrock.h

@@ -0,0 +1,35 @@
+/*=========================================================================
+
+	hrrock.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HRROCK_H__
+#define __HAZARD_HRROCK_H__
+
+#ifndef __HAZARD_HAZARD_H__
+#include "hazard\hazard.h"
+#endif
+
+class CNpcRollingRockHazard : public CNpcHazard
+{
+public:
+	void				init();
+	void				render();
+	virtual	CRECT const		*getThinkBBox();
+protected:
+	void				processMovement( int _frames );
+
+	s16					m_rotation;
+	u8					m_jump;
+	s32					m_jumpVel;
+};
+
+#endif