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SOP_TimeCompare.h
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1 /*
2  * Copyright (c) 2018
3  * Side Effects Software Inc. All rights reserved.
4  *
5  * Redistribution and use of Houdini Development Kit samples in source and
6  * binary forms, with or without modification, are permitted provided that the
7  * following conditions are met:
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. The name of Side Effects Software may not be used to endorse or
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13  *
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15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17  * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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19  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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24  *
25  *----------------------------------------------------------------------------
26  * TimeCompare SOP
27  */
28 
29 
30 #ifndef __SOP_TimeCompare_h__
31 #define __SOP_TimeCompare_h__
32 
33 #include <SOP/SOP_Node.h>
34 
35 namespace HDK_Sample {
36 /// Compares a point attribute on the two inputs at different times, storing
37 /// the difference in a new attribute.
38 class SOP_TimeCompare : public SOP_Node
39 {
40 public:
41  SOP_TimeCompare(OP_Network *net, const char *name, OP_Operator *op);
42  virtual ~SOP_TimeCompare();
43 
45  static OP_Node *myConstructor(OP_Network*, const char *,
46  OP_Operator *);
47 
48  /// This method is created so that it can be called by handles. It only
49  /// cooks the input group of this SOP. The geometry in this group is
50  /// the only geometry manipulated by this SOP.
51  virtual OP_ERROR cookInputGroups(OP_Context &context,
52  int alone = 0);
53 
54 protected:
55  /// Method to cook geometry for the SOP
56  virtual OP_ERROR cookMySop(OP_Context &context);
57 
58 private:
59  void getGroups(UT_String &str){ evalString(str, "group", 0, 0); }
60 
61  void ATTRIB(UT_String &str, fpreal t)
62  { evalString(str, "attrib", 0, t); }
63  void RESULTATTRIB(UT_String &str, fpreal t)
64  { evalString(str, "resultattrib", 0, t); }
65  fpreal FRAME(fpreal t)
66  { return evalFloat("frame", 0, t); }
67 
68  /// This is the group of geometry to be manipulated by this SOP and cooked
69  /// by the method "cookInputGroups".
70  const GA_PointGroup *myGroup;
71 };
72 } // End HDK_Sample namespace
73 
74 #endif
static OP_Node * myConstructor(OP_Network *, const char *, OP_Operator *)
fpreal evalFloat(int pi, int vi, fpreal t) const
UT_ErrorSeverity
Definition: UT_Error.h:25
SOP_TimeCompare(OP_Network *net, const char *name, OP_Operator *op)
virtual OP_ERROR cookMySop(OP_Context &context)
Method to cook geometry for the SOP.
void evalString(UT_String &val, int pi, int vi, fpreal t) const
static PRM_Template myTemplateList[]
virtual OP_ERROR cookInputGroups(OP_Context &context, int alone=0)
GLuint const GLchar * name
Definition: glcorearb.h:785
double fpreal
Definition: SYS_Types.h:263