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# ivaria/sequence.h

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    00001 /*
    00002     Copyright (C) 2001 by Jorrit Tyberghein
    00003
    00004     This library is free software; you can redistribute it and/or
    00005     modify it under the terms of the GNU Library General Public
    00006     License as published by the Free Software Foundation; either
    00007     version 2 of the License, or (at your option) any later version.
    00008
    00009     This library is distributed in the hope that it will be useful,
    00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012     Library General Public License for more details.
    00013
    00014     You should have received a copy of the GNU Library General Public
    00015     License along with this library; if not, write to the Free
    00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00019 #ifndef __CS_IVARIA_SEQUENCE_H__
    00020 #define __CS_IVARIA_SEQUENCE_H__
    00021
    00026 #include "csutil/scf_interface.h"
    00027
    00039 struct iSequenceOperation : public virtual iBase
    00040 {
    00041   SCF_INTERFACE (iSequenceOperation, 2, 0, 0);
    00050   virtual void Do (csTicks dt, iBase* params) = 0;
    00051
    00057   virtual void CleanupSequences () = 0;
    00058 };
    00059
    00071 struct iSequenceCondition : public virtual iBase
    00072 {
    00073   SCF_INTERFACE (iSequenceCondition, 1, 0, 0);
    00074
    00083   virtual bool Condition (csTicks dt, iBase* params) = 0;
    00084 };
    00085
    00086 struct csSequenceOp
    00087 {
    00088   csSequenceOp* next, * prev;
    00089   csTicks time;
    00090   csRef<iBase> params;
    00091   csRef<iSequenceOperation> operation;
    00092   // Unique id to identify all operations belonging to a running sequence.
    00093   uint sequence_id;
    00094
    00095   csSequenceOp () { }
    00096   ~csSequenceOp () { }
    00097 };
    00098
    00099
    00113 struct iSequence : public virtual iBase
    00114 {
    00115   SCF_INTERFACE (iSequence, 1, 0, 0);
    00116
    00120   virtual csSequenceOp* GetFirstSequence () = 0;
    00121
    00126   virtual void AddOperation (csTicks time, iSequenceOperation* operation,
    00127         iBase* params = 0, uint sequence_id = 0) = 0;
    00128
    00133   virtual void AddRunSequence (csTicks time, iSequence* sequence,
    00134         iBase* params = 0, uint sequence_id = 0) = 0;
    00135
    00141   virtual void AddCondition (csTicks time, iSequenceCondition* condition,
    00142         iSequence* trueSequence, iSequence* falseSequence,
    00143         iBase* params = 0, uint sequence_id = 0) = 0;
    00144
    00150   virtual void AddLoop (csTicks time, iSequenceCondition* condition,
    00151         iSequence* sequence, iBase* params = 0, uint sequence_id = 0) = 0;
    00152
    00156   virtual void Clear () = 0;
    00157
    00161   virtual bool IsEmpty () = 0;
    00162 };
    00163
    00179 struct iSequenceManager : public virtual iBase
    00180 {
    00181   SCF_INTERFACE (iSequenceManager, 1, 0, 0);
    00182
    00187   virtual void Clear () = 0;
    00188
    00193   virtual bool IsEmpty () = 0;
    00194
    00203   virtual void Suspend () = 0;
    00204
    00210   virtual void Resume () = 0;
    00211
    00215   virtual bool IsSuspended () = 0;
    00216
    00229   virtual void TimeWarp (csTicks time, bool skip) = 0;
    00230
    00241   virtual csTicks GetMainTime () const = 0;
    00242
    00247   virtual csTicks GetDeltaTime () const = 0;
    00248
    00254   virtual csPtr<iSequence> NewSequence () = 0;
    00255
    00276   virtual void RunSequence (csTicks time, iSequence* sequence,
    00277         iBase* params = 0, uint sequence_id = 0) = 0;
    00278
    00282   virtual void DestroySequenceOperations (uint sequence_id) = 0;
    00283
    00288   virtual uint GetUniqueID () = 0;
    00289 };
    00290
    00291 #endif // __CS_IVARIA_SEQUENCE_H__
    00292