Update ropes

dlls/CMakeLists.txt

@@ -188,6 +188,10 @@ set (SVDLL_SOURCES
 	../pm_shared/pm_math.c
 	../pm_shared/pm_shared.c
 )
+
+if(NOT MSVC)
+	set_source_files_properties(gearbox/ropes.cpp PROPERTIES COMPILE_FLAGS -O0)
+endif()
 	
 include_directories (. wpn_shared ../common ../engine ../pm_shared ../game_shared ../public gearbox)
 

dlls/gearbox/ropes.h

@@ -0,0 +1,311 @@
+/***
+*
+*	Copyright (c) 1996-2001, Valve LLC. All rights reserved.
+*
+*	This product contains software technology licensed from Id
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc.
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef ROPES_H
+#define ROPES_H
+
+class CRopeSegment;
+class CRopeSample;
+
+struct RopeSampleData;
+
+struct Spring;
+
+#define MAX_SEGMENTS 63
+#define MAX_SAMPLES  64
+#define MAX_TEMP_SAMPLES 5
+
+/**
+*	A rope with a number of segments.
+*	Uses an RK4 integrator with dampened springs to simulate rope physics.
+*/
+class CRope : public CBaseDelay
+{
+public:
+	CRope();
+	virtual void KeyValue( KeyValueData* pkvd );
+
+	virtual void Precache();
+
+	virtual void Spawn();
+
+	void Think();
+
+	void Touch( CBaseEntity* pOther );
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	/**
+	*	Initializes the rope simulation data.
+	*/
+	void InitializeRopeSim();
+
+	/**
+	*	Initializes the springs.
+	*	@param uiNumSprings Number of springs to create.
+	*/
+	void InitializeSprings( const size_t uiNumSprings );
+
+	/**
+	*	Runs simulation on the samples.
+	*/
+	void RunSimOnSamples();
+
+	/**
+	*	Computes forces on the given sample list.
+	*	@param pSystem List of sample data. m_NumSamples Elements large.
+	*/
+	void ComputeForces( RopeSampleData* pSystem );
+
+	/**
+	*	Computes forces on the given sample list.
+	*	@param pSystem List of samples. m_NumSamples Elements large.
+	*/
+	void ComputeForces( CRopeSample** ppSystem );
+
+	/**
+	*	Computes forces for the given sample data.
+	*	@param data Sample data.
+	*/
+	void ComputeSampleForce( RopeSampleData& data );
+
+	/**
+	*	Computes spring force for the given sample datas.
+	*	@param first First sample.
+	*	@param second Second sample.
+	*	@param spring Spring.
+	*/
+	void ComputeSpringForce( RopeSampleData& first, RopeSampleData& second, const Spring& spring );
+
+	/**
+	*	Runs RK4 integration.
+	*	@param flDeltaTime Delta between previous and current time.
+	*	@param ppSampleSource Previous sample state.
+	*	@param ppSampleTarget Next sample state.
+	*/
+	void RK4Integrate( const float flDeltaTime, CRopeSample** ppSampleSource, CRopeSample** ppSampleTarget );
+
+	/**
+	*	Traces model positions and angles and corrects them.
+	*	@param ppPrimarySegs Visible segments.
+	*	@param ppHiddenSegs hidden segments.
+	*/
+	void TraceModels( CRopeSegment** ppPrimarySegs, CRopeSegment** ppHiddenSegs );
+
+	/**
+	*	Traces model positions and angles, makes visible segments visible and hidden segments hidden.
+	*/
+	void SetRopeSegments( const size_t uiNumSegments,
+						  CRopeSegment** ppPrimarySegs, CRopeSegment** ppHiddenSegs );
+
+	/**
+	*	Moves the attached object up.
+	*	@param flDeltaTime Time between previous and current movement.
+	*	@return true if the object is still on the rope, false otherwise.
+	*/
+	bool MoveUp( const float flDeltaTime );
+
+	/**
+	*	Moves the attached object down.
+	*	@param flDeltaTime Time between previous and current movement.
+	*	@return true if the object is still on the rope, false otherwise.
+	*/
+	bool MoveDown( const float flDeltaTime );
+
+	/**
+	*	@return The attached object's velocity.
+	*/
+	Vector GetAttachedObjectsVelocity() const;
+
+	/**
+	*	Applies force from the player. Only applies if there is currently an object attached to the rope.
+	*	@param vecForce Force.
+	*/
+	void ApplyForceFromPlayer( const Vector& vecForce );
+
+	/**
+	*	Applies force to a specific segment.
+	*	@param vecForce Force.
+	*	@param uiSegment Segment index.
+	*/
+	void ApplyForceToSegment( const Vector& vecForce, const size_t uiSegment );
+
+	/**
+	*	Attached an object to the given segment.
+	*/
+	void AttachObjectToSegment( CRopeSegment* pSegment );
+
+	/**
+	*	Detaches an attached object.
+	*/
+	void DetachObject();
+
+	/**
+	*	@return Whether an object is attached.
+	*/
+	bool IsObjectAttached() const { return mObjectAttached; }
+
+	/**
+	*	@return Whether this rope allows attachments.
+	*/
+	bool IsAcceptingAttachment() const;
+
+	/**
+	*	@return The number of segments.
+	*/
+	size_t GetNumSegments() const { return m_iSegments; }
+
+	/**
+	*	@return The segments.
+	*/
+	CRopeSegment** GetSegments() { return seg; }
+
+	/**
+	*	@return The alternative segments.
+	*/
+	CRopeSegment** GetAltSegments() { return altseg; }
+
+	/**
+	*	@return The toggle value.
+	*/
+	bool GetToggleValue() const { return m_bToggle; }
+
+	/**
+	*	@return Whether this rope is allowed to make sounds.
+	*/
+	bool IsSoundAllowed() const { return m_bMakeSound; }
+
+	/**
+	*	Sets whether this rope is allowed to make sounds.
+	*/
+	void SetSoundAllowed( const bool bAllowed )
+	{
+		m_bMakeSound = bAllowed;
+	}
+
+	/**
+	*	@return Whether this rope should creak.
+	*/
+	bool ShouldCreak() const;
+
+	/**
+	*	Plays a creak sound.
+	*/
+	void Creak();
+
+	/**
+	*	@return The body model name.
+	*/
+	string_t GetBodyModel() const { return mBodyModel; }
+
+	/**
+	*	@return The ending model name.
+	*/
+	string_t GetEndingModel() const { return mEndingModel; }
+
+	/**
+	*	@return Segment length for the given segment.
+	*/
+	float GetSegmentLength( size_t uiSegmentIndex ) const;
+
+	/**
+	*	@return Total rope length.
+	*/
+	float GetRopeLength() const;
+
+	/**
+	*	@return The rope's origin.
+	*/
+	Vector GetRopeOrigin() const;
+
+	/**
+	*	@return Whether the given segment index is valid.
+	*/
+	bool IsValidSegmentIndex( const size_t uiSegment ) const;
+
+	/**
+	*	@return The origin of the given segment.
+	*/
+	Vector GetSegmentOrigin( const size_t uiSegment ) const;
+
+	/**
+	*	@return The attachment point of the given segment.
+	*/
+	Vector GetSegmentAttachmentPoint( const size_t uiSegment ) const;
+
+	/**
+	*	@param pSegment Segment.
+	*	Sets the attached object segment.
+	*/
+	void SetAttachedObjectsSegment( CRopeSegment* pSegment );
+
+	/**
+	*	@param uiSegmentIndex Segment index.
+	*	@return The segment direction normal from its origin.
+	*/
+	Vector GetSegmentDirFromOrigin( const size_t uiSegmentIndex ) const;
+
+	/**
+	*	@return The attached object position.
+	*/
+	Vector GetAttachedObjectsPosition() const;
+
+private:
+	size_t m_iSegments;
+
+	CRopeSegment* seg[ MAX_SEGMENTS ];
+	CRopeSegment* altseg[ MAX_SEGMENTS ];
+
+	bool m_bToggle;
+
+	bool m_InitialDeltaTime;
+
+	float mLastTime;
+
+	Vector m_LastEndPos;
+	Vector m_Gravity;
+	float m_HookConstant;
+	float m_SpringDampning;
+
+	CRopeSample* m_CurrentSys[ MAX_SAMPLES ];
+	CRopeSample* m_TargetSys[ MAX_SAMPLES ];
+	RopeSampleData* m_TempSys[ MAX_TEMP_SAMPLES ];
+
+	size_t m_NumSamples;
+
+	Spring* m_Spring;
+
+	size_t m_SpringCnt;
+
+	bool mSpringsInitialized;
+
+	int m_BeamOffset;
+
+	bool mObjectAttached;
+
+	size_t mAttachedObjectsSegment;
+	float mAttachedObjectsOffset;
+	float detachTime;
+
+	string_t mBodyModel;
+	string_t mEndingModel;
+
+	int mDisallowPlayerAttachment;
+
+	bool m_bMakeSound;
+};
+
+#endif //ROPES_H

dlls/player.cpp

@@ -120,6 +120,7 @@ TYPEDESCRIPTION	CBasePlayer::m_playerSaveData[] =
 	DEFINE_FIELD( CBasePlayer, m_iFOV, FIELD_INTEGER ),
 
 	DEFINE_FIELD(CBasePlayer, m_fInXen, FIELD_BOOLEAN),
+	DEFINE_FIELD(CBasePlayer, m_pRope, FIELD_CLASSPTR),
 
 	//DEFINE_FIELD( CBasePlayer, m_fDeadTime, FIELD_FLOAT ), // only used in multiplayer games
 	//DEFINE_FIELD( CBasePlayer, m_fGameHUDInitialized, FIELD_INTEGER ), // only used in multiplayer games
@@ -1880,6 +1881,135 @@ void CBasePlayer::PreThink( void )
 	else 
 		pev->flags &= ~FL_ONTRAIN;
 
+	//We're on a rope. - Solokiller
+	if( (m_afPhysicsFlags & PFLAG_ONROPE) && m_pRope )
+	{
+		pev->velocity = g_vecZero;
+
+		Vector vecAttachPos = m_pRope->GetAttachedObjectsPosition();
+
+		pev->origin = vecAttachPos;
+
+		Vector vecForce;
+
+		/*
+		//This causes sideways acceleration that doesn't occur in Op4. - Solokiller
+		if( pev->button & IN_DUCK )
+		{
+			vecForce.x = gpGlobals->v_right.x;
+			vecForce.y = gpGlobals->v_right.y;
+			vecForce.z = 0;
+			m_pRope->ApplyForceFromPlayer( vecForce );
+		}
+		if( pev->button & IN_JUMP )
+		{
+			vecForce.x = -gpGlobals->v_right.x;
+			vecForce.y = -gpGlobals->v_right.y;
+			vecForce.z = 0;
+			m_pRope->ApplyForceFromPlayer( vecForce );
+		}
+		*/
+
+		//Determine if any force should be applied to the rope, or if we should move around. - Solokiller
+		if( pev->button & ( IN_BACK | IN_FORWARD ) )
+		{
+			if( ( gpGlobals->v_forward.x * gpGlobals->v_forward.x +
+				gpGlobals->v_forward.y * gpGlobals->v_forward.y -
+				gpGlobals->v_forward.z * gpGlobals->v_forward.z ) <= 0.0 )
+			{
+				if( m_bIsClimbing )
+				{
+					const float flDelta = gpGlobals->time - m_flLastClimbTime;
+					m_flLastClimbTime = gpGlobals->time;
+					if( pev->button & IN_FORWARD )
+					{
+						if( gpGlobals->v_forward.z < 0.0 )
+						{
+							if( !m_pRope->MoveDown( flDelta ) )
+							{
+								//Let go of the rope, detach. - Solokiller
+								pev->movetype = MOVETYPE_WALK;
+								pev->solid = SOLID_SLIDEBOX;
+
+								m_afPhysicsFlags &= ~PFLAG_ONROPE;
+								m_pRope->DetachObject();
+								m_pRope = NULL;
+								m_bIsClimbing = false;
+							}
+						}
+						else
+						{
+							m_pRope->MoveUp( flDelta );
+						}
+					}
+					if( pev->button & IN_BACK )
+					{
+						if( gpGlobals->v_forward.z < 0.0 )
+						{
+							m_pRope->MoveUp( flDelta );
+						}
+						else if( !m_pRope->MoveDown( flDelta ) )
+						{
+							//Let go of the rope, detach. - Solokiller
+							pev->movetype = MOVETYPE_WALK;
+							pev->solid = SOLID_SLIDEBOX;
+							m_afPhysicsFlags &= ~PFLAG_ONROPE;
+							m_pRope->DetachObject();
+							m_pRope = NULL;
+							m_bIsClimbing = false;
+						}
+					}
+				}
+				else
+				{
+					m_bIsClimbing = true;
+					m_flLastClimbTime = gpGlobals->time;
+				}
+			}
+			else
+			{
+				vecForce.x = gpGlobals->v_forward.x;
+				vecForce.y = gpGlobals->v_forward.y;
+				vecForce.z = 0.0;
+				if( pev->button & IN_BACK )
+				{
+					vecForce.x = -gpGlobals->v_forward.x;
+					vecForce.y = -gpGlobals->v_forward.y;
+					vecForce.z = 0;
+				}
+				m_pRope->ApplyForceFromPlayer( vecForce );
+				m_bIsClimbing = false;
+			}
+		}
+		else
+		{
+			m_bIsClimbing = false;
+		}
+
+		if( m_afButtonPressed & IN_JUMP )
+		{
+			//We've jumped off the rope, give us some momentum - Solokiller
+			pev->movetype = MOVETYPE_WALK;
+			pev->solid = SOLID_SLIDEBOX;
+			this->m_afPhysicsFlags &= ~PFLAG_ONROPE;
+
+			Vector vecDir = gpGlobals->v_up * 165.0 + gpGlobals->v_forward * 150.0;
+
+			Vector vecVelocity = m_pRope->GetAttachedObjectsVelocity() * 2;
+
+			vecVelocity = vecVelocity.Normalize();
+
+			vecVelocity = vecVelocity * 200;
+
+			pev->velocity = vecVelocity + vecDir;
+
+			m_pRope->DetachObject();
+			m_pRope = NULL;
+			m_bIsClimbing = false;
+		}
+		return;
+	}
+
 	// Train speed control
 	if( m_afPhysicsFlags & PFLAG_ONTRAIN )
 	{

dlls/player.h

@@ -17,6 +17,7 @@
 #define PLAYER_H
 
 #include "pm_materials.h"
+#include "ropes.h"
 
 #define PLAYER_FATAL_FALL_SPEED		1024// approx 60 feet
 #define PLAYER_MAX_SAFE_FALL_SPEED	580// approx 20 feet
@@ -37,6 +38,8 @@
 #define	PFLAG_LATCHING		( 1<<6 )	// Player is latching to a target
 #define	PFLAG_ATTACHED		( 1<<7 )	// Player is attached by a barnacle tongue tip
 
+
+#define PFLAG_ONROPE		( 1<<8 )
 //
 // generic player
 //
@@ -374,6 +377,28 @@ public:
 	void Service_Grapple( void );
 
 	bool m_bSentBhopcap; // If false, the player just joined and needs a bhopcap message.
+
+	bool m_bIsClimbing;
+	float m_flLastClimbTime;
+	CRope *m_pRope;
+	BOOL IsOnRope()
+	{
+		return ( m_afPhysicsFlags & PFLAG_ONROPE ) != 0;
+	}
+
+	void SetRope( CBaseEntity *pRope )
+	{
+		m_pRope = (CRope*)pRope;
+	}
+	void SetOnRopeState( bool onRope )
+	{
+	  if( onRope )
+		m_afPhysicsFlags |= PFLAG_ONROPE;
+	  else
+		m_afPhysicsFlags &= ~PFLAG_ONROPE;
+
+	}
+	CRope* GetRope() { return m_pRope; }
 };
 
 #define AUTOAIM_2DEGREES  0.0348994967025