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game/server/movehelper_server.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include <stdarg.h>
+#include "gamerules.h"
+#include "player.h"
+#include "model_types.h"
+#include "movehelper_server.h"
+#include "shake.h"				// For screen fade constants
+#include "engine/IEngineSound.h"
+
+//=============================================================================
+// HPE_BEGIN
+// [dwenger] Necessary for stats tracking
+//=============================================================================
+#ifdef CSTRIKE_DLL
+
+#include "cs_gamestats.h"
+#include "cs_achievement_constants.h"
+
+#endif
+//=============================================================================
+// HPE_END
+//=============================================================================
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+extern IPhysicsCollision *physcollision;
+
+
+//-----------------------------------------------------------------------------
+// Implementation of the movehelper on the server
+//-----------------------------------------------------------------------------
+
+class CMoveHelperServer : public IMoveHelperServer
+{
+public:
+	CMoveHelperServer( void );
+	virtual ~CMoveHelperServer();
+
+	// Methods associated with a particular entity
+	virtual	char const*		GetName( EntityHandle_t handle ) const;
+
+	// Touch list...
+	virtual void	ResetTouchList( void );
+	virtual bool	AddToTouched( const trace_t &tr, const Vector& impactvelocity );
+ 	virtual void	ProcessImpacts( void );
+
+	virtual bool	PlayerFallingDamage( void );
+	virtual void	PlayerSetAnimation( PLAYER_ANIM eAnim );
+
+	// Numbered line printf
+	virtual void	Con_NPrintf( int idx, char const* fmt, ... );
+	
+	// These have separate server vs client impementations
+	virtual void	StartSound( const Vector& origin, int channel, char const* sample, float volume, soundlevel_t soundlevel, int fFlags, int pitch );
+	virtual void	StartSound( const Vector& origin, const char *soundname ); 
+
+	virtual void	PlaybackEventFull( int flags, int clientindex, unsigned short eventindex, float delay, Vector& origin, Vector& angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
+	virtual IPhysicsSurfaceProps *GetSurfaceProps( void );
+
+	void			SetHost( CBasePlayer *host );
+
+	virtual bool IsWorldEntity( const CBaseHandle &handle );
+
+private:
+	CBasePlayer*	m_pHostPlayer;
+
+	// results, tallied on client and server, but only used by server to run SV_Impact.
+	// we store off our velocity in the trace_t structure so that we can determine results
+	// of shoving boxes etc. around.
+	struct touchlist_t
+	{
+		Vector	deltavelocity;
+		trace_t trace;
+	};
+
+	CUtlVector<touchlist_t>	m_TouchList;
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_MOVEHELPER();
+
+IMoveHelperServer* MoveHelperServer()
+{
+	static CMoveHelperServer s_MoveHelperServer;
+	return &s_MoveHelperServer;
+}
+
+
+//-----------------------------------------------------------------------------
+// Converts the entity handle into a edict_t
+//-----------------------------------------------------------------------------
+
+static inline edict_t* GetEdict( EntityHandle_t handle )
+{
+	return gEntList.GetEdict( handle );
+}
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+
+CMoveHelperServer::CMoveHelperServer( void ) : m_TouchList( 0, 128 )
+{
+	m_pHostPlayer = 0;
+	SetSingleton( this );
+}
+
+CMoveHelperServer::~CMoveHelperServer( void )
+{
+	SetSingleton( 0 );
+}
+
+//-----------------------------------------------------------------------------
+// Indicates which player we're going to move
+//-----------------------------------------------------------------------------
+
+void CMoveHelperServer::SetHost( CBasePlayer *host )
+{
+	m_pHostPlayer = host;
+
+	// In case any stuff is ever left over, sigh...
+	ResetTouchList();
+}
+
+
+//-----------------------------------------------------------------------------
+// Returns the name for debugging purposes
+//-----------------------------------------------------------------------------
+char const* CMoveHelperServer::GetName( EntityHandle_t handle ) const
+{
+	// This ain't pertickulerly fast, but it's for debugging anyways
+	edict_t* pEdict = GetEdict(handle);
+	CBaseEntity *ent = CBaseEntity::Instance( pEdict );
+	
+	// Is it the world?
+	if (ENTINDEX(pEdict) == 0)
+		return STRING(gpGlobals->mapname);
+
+	// Is it a model?
+	if ( ent && ent->GetModelName() != NULL_STRING )
+		return STRING( ent->GetModelName() );
+
+	if ( ent->GetClassname() != NULL )
+	{
+		return ent->GetClassname();
+	}
+
+	return "?";
+}	
+
+//-----------------------------------------------------------------------------
+// When we do a collision test, we report everything we hit.. 
+//-----------------------------------------------------------------------------
+
+void CMoveHelperServer::ResetTouchList( void )
+{
+	m_TouchList.RemoveAll();
+}
+
+
+//-----------------------------------------------------------------------------
+// When a collision occurs, we add it to the touched list
+//-----------------------------------------------------------------------------
+
+bool CMoveHelperServer::AddToTouched( const trace_t &tr, const Vector& impactvelocity )
+{
+	Assert( m_pHostPlayer );
+
+	// Trace missed
+	if ( !tr.m_pEnt )
+		return false;
+
+	if ( tr.m_pEnt == m_pHostPlayer )
+	{
+		Assert( !"CMoveHelperServer::AddToTouched:  Tried to add self to touchlist!!!" );
+		return false;
+	}
+
+	// Check for duplicate entities
+	for ( int j = m_TouchList.Size(); --j >= 0; )
+	{
+		if ( m_TouchList[j].trace.m_pEnt == tr.m_pEnt )
+		{
+			return false;
+		}
+	}
+	
+	int i = m_TouchList.AddToTail();
+	m_TouchList[i].trace = tr;
+	VectorCopy( impactvelocity, m_TouchList[i].deltavelocity );
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// After we built the touch list, deal with all the impacts...
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::ProcessImpacts( void )
+{
+	Assert( m_pHostPlayer );
+
+	// Relink in order to build absorigin and absmin/max to reflect any changes
+	//  from prediction.  Relink will early out on SOLID_NOT
+	m_pHostPlayer->PhysicsTouchTriggers();
+
+	// Don't bother if the player ain't solid
+	if ( m_pHostPlayer->IsSolidFlagSet( FSOLID_NOT_SOLID ) )
+		return;
+
+	// Save off the velocity, cause we need to temporarily reset it
+	Vector vel = m_pHostPlayer->GetAbsVelocity();
+
+	// Touch other objects that were intersected during the movement.
+	for (int i = 0 ; i < m_TouchList.Size(); i++)
+	{
+		CBaseHandle entindex = m_TouchList[i].trace.m_pEnt->GetRefEHandle();
+
+		// We should have culled negative indices by now
+		Assert( entindex.IsValid() );
+
+		edict_t* ent = GetEdict( entindex );
+		if (!ent)
+			continue;
+
+		// Run the impact function as if we had run it during movement.
+		CBaseEntity *entity = GetContainingEntity( ent );
+		if ( !entity )
+			continue;
+
+		Assert( entity != m_pHostPlayer );
+		// Don't ever collide with self!!!!
+		if ( entity == m_pHostPlayer )
+			continue;
+
+		// Reconstruct trace results.
+		m_TouchList[i].trace.m_pEnt = CBaseEntity::Instance( ent );
+
+		// Use the velocity we had when we collided, so boxes will move, etc.
+		m_pHostPlayer->SetAbsVelocity( m_TouchList[i].deltavelocity );
+		
+		entity->PhysicsImpact( m_pHostPlayer, m_TouchList[i].trace );
+	}
+
+	// Restore the velocity
+	m_pHostPlayer->SetAbsVelocity( vel );
+
+	// So no stuff is ever left over, sigh...
+	ResetTouchList();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : origin - 
+//			*soundname - 
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::StartSound( const Vector& origin, const char *soundname )
+{
+	//MDB - Changing this to send to PAS, as the overloaded function below has done.
+	//Also removed the UsePredictionRules, client does not yet play the equivalent sound
+
+	CRecipientFilter filter;
+	filter.AddRecipientsByPAS( origin );
+
+	CBaseEntity::EmitSound( filter, m_pHostPlayer->entindex(), soundname );
+}
+
+//-----------------------------------------------------------------------------
+// plays a sound
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::StartSound( const Vector& origin, int channel, char const* sample, 
+						float volume, soundlevel_t soundlevel, int fFlags, int pitch )
+{
+
+	CRecipientFilter filter;
+	filter.AddRecipientsByPAS( origin );
+	// FIXME, these sounds should not go to the host entity ( SND_NOTHOST )
+	if ( gpGlobals->maxClients == 1 )
+	{
+		// Always send sounds down in SP
+
+		EmitSound_t ep;
+		ep.m_nChannel = channel;
+		ep.m_pSoundName = sample;
+		ep.m_flVolume = volume;
+		ep.m_SoundLevel = soundlevel;
+		ep.m_nFlags = fFlags;
+		ep.m_nPitch = pitch;
+		ep.m_pOrigin = &origin;
+
+		CBaseEntity::EmitSound( filter, m_pHostPlayer->entindex(), ep );
+	}
+	else
+	{
+		filter.UsePredictionRules();
+
+		EmitSound_t ep;
+		ep.m_nChannel = channel;
+		ep.m_pSoundName = sample;
+		ep.m_flVolume = volume;
+		ep.m_SoundLevel = soundlevel;
+		ep.m_nFlags = fFlags;
+		ep.m_nPitch = pitch;
+		ep.m_pOrigin = &origin;
+
+		CBaseEntity::EmitSound( filter, m_pHostPlayer->entindex(), ep );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Umm...
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::PlaybackEventFull( int flags, int clientindex, unsigned short eventindex, float delay, Vector& origin, Vector& angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
+{
+	// FIXME, Redo with new event system parameter stuff
+}
+
+IPhysicsSurfaceProps *CMoveHelperServer::GetSurfaceProps( void )
+{
+	extern IPhysicsSurfaceProps *physprops;
+	return physprops;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Note that this only works on a listen server (since it requires graphical output)
+//			*pFormat - 
+//			... - 
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::Con_NPrintf( int idx, char const* pFormat, ...)
+{
+	va_list marker;
+	char msg[8192];
+
+	va_start(marker, pFormat);
+	Q_vsnprintf(msg, sizeof( msg ), pFormat, marker);
+	va_end(marker);
+	
+	engine->Con_NPrintf( idx, msg );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Called when the player falls onto a surface fast enough to take
+//			damage, according to the rules in CGameMovement::CheckFalling.
+// Output : Returns true if the player survived the fall, false if they died.
+//-----------------------------------------------------------------------------
+bool CMoveHelperServer::PlayerFallingDamage( void )
+{
+	float flFallDamage = g_pGameRules->FlPlayerFallDamage( m_pHostPlayer );	
+	if ( flFallDamage > 0 )
+	{
+		m_pHostPlayer->TakeDamage( CTakeDamageInfo( GetContainingEntity(INDEXENT(0)), GetContainingEntity(INDEXENT(0)), flFallDamage, DMG_FALL ) ); 
+		StartSound( m_pHostPlayer->GetAbsOrigin(), "Player.FallDamage" );
+
+        //=============================================================================
+        // HPE_BEGIN:
+        // [dwenger] Needed for fun-fact implementation
+        //=============================================================================
+
+#ifdef CSTRIKE_DLL
+
+        // Increment the stat for fall damage
+        CCSPlayer*  pPlayer = ToCSPlayer(m_pHostPlayer);
+
+        if ( pPlayer )
+        {
+            CCS_GameStats.IncrementStat( pPlayer, CSSTAT_FALL_DAMAGE, (int)flFallDamage );
+        }
+
+#endif
+        //=============================================================================
+        // HPE_END
+        //=============================================================================
+
+    }
+
+	if ( m_pHostPlayer->m_iHealth <= 0 )
+	{
+		if ( g_pGameRules->FlPlayerFallDeathDoesScreenFade( m_pHostPlayer ) )
+		{
+			color32 black = {0, 0, 0, 255};
+			UTIL_ScreenFade( m_pHostPlayer, black, 0, 9999, FFADE_OUT | FFADE_STAYOUT );
+		}
+		return(false);
+	}
+
+	return(true);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets an animation in the player.
+// Input  : eAnim - Animation to set.
+//-----------------------------------------------------------------------------
+void CMoveHelperServer::PlayerSetAnimation( PLAYER_ANIM eAnim )
+{
+	m_pHostPlayer->SetAnimation( eAnim );
+}
+
+bool CMoveHelperServer::IsWorldEntity( const CBaseHandle &handle )
+{
+	return handle == CBaseEntity::Instance( 0 );
+}