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SOP_Flatten.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.
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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  * Flatten SOP
27  */
28 
29 
30 #ifndef __SOP_Flatten_h__
31 #define __SOP_Flatten_h__
32 
33 #include <SOP/SOP_Node.h>
34 
35 namespace HDK_Sample {
36 class SOP_Flatten : public SOP_Node
37 {
38 public:
39  SOP_Flatten(OP_Network *net, const char *name, OP_Operator *op);
40  virtual ~SOP_Flatten();
41 
42  /// This method is created so that it can be called by handles. It only
43  /// cooks the input group of this SOP. The geometry in this group is
44  /// the only geometry manipulated by this SOP.
45  virtual OP_ERROR cookInputGroups(OP_Context &context,
46  int alone = 0);
47 
49  static OP_Node *myConstructor(OP_Network*, const char *,
50  OP_Operator *);
51 
52 protected:
53  /// Update disable and hidden states of parameters based on the value
54  /// of other parameters.
55  virtual bool updateParmsFlags();
56 
57  virtual const char *inputLabel(unsigned idx) const;
58 
59  /// Method to cook geometry for the SOP
60  virtual OP_ERROR cookMySop(OP_Context &context);
61 
62  /// This method is used to generate geometry for a "guide". It does
63  /// not have to be defined.
64  virtual OP_ERROR cookMyGuide1(OP_Context &context);
65 
66 private:
67  void getGroups(UT_String &str){ evalString(str, "group", 0, 0); }
68  fpreal DIST(fpreal t) { return evalFloat("dist", 0, t); }
69  int DIRPOP() { return evalInt("usedir", 0, 0); }
70  int ORIENT() { return evalInt("orient", 0, 0); }
71  fpreal NX(fpreal t) { return evalFloat("dir", 0, t); }
72  fpreal NY(fpreal t) { return evalFloat("dir", 1, t); }
73  fpreal NZ(fpreal t) { return evalFloat("dir", 2, t); }
74 
75  /// This is the group of geometry to be manipulated by this SOP and cooked
76  /// by the method "cookInputGroups".
77  const GA_PointGroup *myGroup;
78 };
79 } // End HDK_Sample namespace
80 
81 #endif
virtual OP_ERROR cookInputGroups(OP_Context &context, int alone=0)
Definition: SOP_Flatten.C:120
SOP_Flatten(OP_Network *net, const char *name, OP_Operator *op)
Definition: SOP_Flatten.C:86
fpreal evalFloat(int pi, int vi, fpreal t) const
UT_ErrorSeverity
Definition: UT_Error.h:25
virtual OP_ERROR cookMySop(OP_Context &context)
Method to cook geometry for the SOP.
Definition: SOP_Flatten.C:143
static PRM_Template myTemplateList[]
Definition: SOP_Flatten.h:48
void evalString(UT_String &val, int pi, int vi, fpreal t) const
virtual OP_ERROR cookMyGuide1(OP_Context &context)
Definition: SOP_Flatten.C:325
GLuint const GLchar * name
Definition: glcorearb.h:785
double fpreal
Definition: SYS_Types.h:269
static OP_Node * myConstructor(OP_Network *, const char *, OP_Operator *)
Definition: SOP_Flatten.C:81
exint evalInt(int pi, int vi, fpreal t) const
virtual bool updateParmsFlags()
Definition: SOP_Flatten.C:108
virtual const char * inputLabel(unsigned idx) const
Definition: SOP_Flatten.C:395