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game/server/tf/tf_playermove.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#include "cbase.h"
+#include "player_command.h"
+#include "igamemovement.h"
+#include "in_buttons.h"
+#include "ipredictionsystem.h"
+#include "tf_player.h"
+
+
+static CMoveData g_MoveData;
+CMoveData *g_pMoveData = &g_MoveData;
+
+IPredictionSystem *IPredictionSystem::g_pPredictionSystems = NULL;
+
+
+//-----------------------------------------------------------------------------
+// Sets up the move data for TF2
+//-----------------------------------------------------------------------------
+class CTFPlayerMove : public CPlayerMove
+{
+DECLARE_CLASS( CTFPlayerMove, CPlayerMove );
+
+public:
+	virtual void	StartCommand( CBasePlayer *player, CUserCmd *cmd );
+	virtual void	SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move );
+	virtual void	FinishMove( CBasePlayer *player, CUserCmd *ucmd, CMoveData *move );
+};
+
+// PlayerMove Interface
+static CTFPlayerMove g_PlayerMove;
+
+//-----------------------------------------------------------------------------
+// Singleton accessor
+//-----------------------------------------------------------------------------
+CPlayerMove *PlayerMove()
+{
+	return &g_PlayerMove;
+}
+
+//-----------------------------------------------------------------------------
+// Main setup, finish
+//-----------------------------------------------------------------------------
+
+void CTFPlayerMove::StartCommand( CBasePlayer *player, CUserCmd *cmd )
+{
+	BaseClass::StartCommand( player, cmd );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: This is called pre player movement and copies all the data necessary
+//          from the player for movement. (Server-side, the client-side version
+//          of this code can be found in prediction.cpp.)
+//-----------------------------------------------------------------------------
+void CTFPlayerMove::SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
+{
+	CTFPlayer *pTFPlayer = ToTFPlayer( player );
+	if ( pTFPlayer )
+	{
+		// Check to see if we are a crouched, heavy, firing his weapons and zero out movement.
+		if ( pTFPlayer->GetPlayerClass()->IsClass( TF_CLASS_HEAVYWEAPONS ) )
+		{
+			if ( pTFPlayer->m_Shared.InCond( TF_COND_AIMING ) )
+			{
+				if ( pTFPlayer->GetFlags() & FL_DUCKING )
+				{
+					ucmd->forwardmove = 0.0f;
+					ucmd->sidemove = 0.0f;
+				}
+
+				// Don't allow jumping while firing (unless the design changes)
+				ucmd->buttons &= ~IN_JUMP;
+			}
+		}
+
+		// targe Exploit fix. Clients sending higher view angle changes then allowed
+		// Clamp their YAW Movement
+		if ( pTFPlayer->m_Shared.InCond( TF_COND_SHIELD_CHARGE ) )
+		{
+			// Get the view deltas and clamp them if they are too high, give a high tolerance (lag)
+			float flCap = pTFPlayer->m_Shared.CalculateChargeCap();
+			flCap *= 2.5f;
+			QAngle qAngle = pTFPlayer->m_qPreviousChargeEyeAngle;
+			float flDiff = abs( qAngle[YAW] ) - abs( ucmd->viewangles[YAW] );
+			if ( flDiff > flCap )
+			{
+				//float flReportedPitchDelta = qAngle[YAW] - ucmd->viewangles[YAW];
+				if ( ucmd->viewangles[YAW] > qAngle[YAW] )
+				{
+					ucmd->viewangles[YAW] = qAngle[YAW] + flCap;
+					pTFPlayer->SnapEyeAngles( ucmd->viewangles );
+				}
+				else // smaller values
+				{
+					ucmd->viewangles[YAW] = qAngle[YAW] - flCap;
+					pTFPlayer->SnapEyeAngles( ucmd->viewangles );
+				}
+			}
+			
+			pTFPlayer->m_qPreviousChargeEyeAngle = ucmd->viewangles;
+		}
+		else
+		{
+			pTFPlayer->m_qPreviousChargeEyeAngle = pTFPlayer->EyeAngles();
+		}
+	}
+
+	BaseClass::SetupMove( player, ucmd, pHelper, move );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: This is called post player movement to copy back all data that
+//          movement could have modified and that is necessary for future
+//          movement. (Server-side, the client-side version of this code can 
+//          be found in prediction.cpp.)
+//-----------------------------------------------------------------------------
+void CTFPlayerMove::FinishMove( CBasePlayer *player, CUserCmd *ucmd, CMoveData *move )
+{
+	// Call the default FinishMove code.
+	BaseClass::FinishMove( player, ucmd, move );
+}