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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /sp/src/game/client/prediction.h | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'sp/src/game/client/prediction.h')
| -rw-r--r-- | sp/src/game/client/prediction.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/sp/src/game/client/prediction.h b/sp/src/game/client/prediction.h new file mode 100644 index 00000000..b988f1c6 --- /dev/null +++ b/sp/src/game/client/prediction.h @@ -0,0 +1,151 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $Workfile: $
+// $Date: $
+// $NoKeywords: $
+//=============================================================================//
+#if !defined( PREDICTION_H )
+#define PREDICTION_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "mathlib/vector.h"
+#include "iprediction.h"
+#include "c_baseplayer.h"
+#include "cdll_bounded_cvars.h"
+
+class CMoveData;
+class CUserCmd;
+
+//-----------------------------------------------------------------------------
+// Purpose: Implements prediction in the client .dll
+//-----------------------------------------------------------------------------
+class CPrediction : public IPrediction
+{
+// Construction
+public:
+ DECLARE_CLASS_GAMEROOT( CPrediction, IPrediction );
+
+ CPrediction( void );
+ virtual ~CPrediction( void );
+
+ virtual void Init( void );
+ virtual void Shutdown( void );
+
+// Implement IPrediction
+public:
+
+ virtual void Update
+ (
+ int startframe, // World update ( un-modded ) most recently received
+ bool validframe, // Is frame data valid
+ int incoming_acknowledged, // Last command acknowledged to have been run by server (un-modded)
+ int outgoing_command // Last command (most recent) sent to server (un-modded)
+ );
+
+ virtual void OnReceivedUncompressedPacket( void );
+
+ virtual void PreEntityPacketReceived( int commands_acknowledged, int current_world_update_packet );
+ virtual void PostEntityPacketReceived( void );
+ virtual void PostNetworkDataReceived( int commands_acknowledged );
+
+ virtual bool InPrediction( void ) const;
+ virtual bool IsFirstTimePredicted( void ) const;
+
+#if !defined( NO_ENTITY_PREDICTION )
+ virtual int GetIncomingPacketNumber( void ) const;
+#endif
+
+ float GetIdealPitch( void ) const
+ {
+ return m_flIdealPitch;
+ }
+
+ // The engine needs to be able to access a few predicted values
+ virtual void GetViewOrigin( Vector& org );
+ virtual void SetViewOrigin( Vector& org );
+ virtual void GetViewAngles( QAngle& ang );
+ virtual void SetViewAngles( QAngle& ang );
+
+ virtual void GetLocalViewAngles( QAngle& ang );
+ virtual void SetLocalViewAngles( QAngle& ang );
+
+ virtual void RunCommand( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *moveHelper );
+
+// Internal
+protected:
+ virtual void SetupMove( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move );
+ virtual void FinishMove( C_BasePlayer *player, CUserCmd *ucmd, CMoveData *move );
+ virtual void SetIdealPitch ( C_BasePlayer *player, const Vector& origin, const QAngle& angles, const Vector& viewheight );
+
+ void CheckError( int commands_acknowledged );
+
+ // Called before and after any movement processing
+ void StartCommand( C_BasePlayer *player, CUserCmd *cmd );
+ void FinishCommand( C_BasePlayer *player );
+
+ // Helpers to call pre and post think for player, and to call think if a think function is set
+ void RunPreThink( C_BasePlayer *player );
+ void RunThink (C_BasePlayer *ent, double frametime );
+ void RunPostThink( C_BasePlayer *player );
+
+private:
+ virtual void _Update
+ (
+ bool received_new_world_update,
+ bool validframe, // Is frame data valid
+ int incoming_acknowledged, // Last command acknowledged to have been run by server (un-modded)
+ int outgoing_command // Last command (most recent) sent to server (un-modded)
+ );
+
+ // Actually does the prediction work, returns false if an error occurred
+ bool PerformPrediction( bool received_new_world_update, C_BasePlayer *localPlayer, int incoming_acknowledged, int outgoing_command );
+
+ void ShiftIntermediateDataForward( int slots_to_remove, int previous_last_slot );
+ void RestoreEntityToPredictedFrame( int predicted_frame );
+ int ComputeFirstCommandToExecute( bool received_new_world_update, int incoming_acknowledged, int outgoing_command );
+
+ void DumpEntity( C_BaseEntity *ent, int commands_acknowledged );
+
+ void ShutdownPredictables( void );
+ void ReinitPredictables( void );
+
+ void RemoveStalePredictedEntities( int last_command_packet );
+ void RestoreOriginalEntityState( void );
+ void RunSimulation( int current_command, float curtime, CUserCmd *cmd, C_BasePlayer *localPlayer );
+ void Untouch( void );
+ void StorePredictionResults( int predicted_frame );
+ bool ShouldDumpEntity( C_BaseEntity *ent );
+
+ void SmoothViewOnMovingPlatform( C_BasePlayer *pPlayer, Vector& offset );
+
+#if !defined( NO_ENTITY_PREDICTION )
+// Data
+protected:
+ // Last object the player was standing on
+ CHandle< C_BaseEntity > m_hLastGround;
+private:
+ bool m_bInPrediction;
+ bool m_bFirstTimePredicted;
+ bool m_bOldCLPredictValue;
+ bool m_bEnginePaused;
+
+ // Last network origin for local player
+ int m_nPreviousStartFrame;
+
+ int m_nCommandsPredicted;
+ int m_nServerCommandsAcknowledged;
+ int m_bPreviousAckHadErrors;
+ int m_nIncomingPacketNumber;
+
+#endif
+ float m_flIdealPitch;
+
+};
+
+extern CPrediction *prediction;
+
+#endif // PREDICTION_H
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