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SOP_DualStar.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
11  * promote products derived from this software without specific prior
12  * written permission.
13  *
14  * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
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,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
19  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
20  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
21  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
22  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
23  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  *----------------------------------------------------------------------------
26  * This SOP adds a star as first output, and builds one for second..
27  */
28 
29 #ifndef __SOP_DualStar_h__
30 #define __SOP_DualStar_h__
31 
32 #include <SOP/SOP_Node.h>
33 
34 namespace HDK_Sample {
35 class SOP_DualStar : public SOP_Node
36 {
37 public:
38  static OP_Node *myConstructor(OP_Network*, const char *,
39  OP_Operator *);
40 
41  /// Stores the description of the interface of the SOP in Houdini.
42  /// Each parm template refers to a parameter.
44 
45 protected:
46  SOP_DualStar(OP_Network *net, const char *name, OP_Operator *op);
47  virtual ~SOP_DualStar();
48 
49 
50  /// cookMySop does the actual work of the SOP computing, in this
51  /// case, a star shape.
52  virtual OP_ERROR cookMySop(OP_Context &context);
53  virtual GU_DetailHandle cookMySopOutput(OP_Context &context, int outputidx, SOP_Node *interest);
54 
55  /// Actually build a star in the given geometry
56  void buildStar(GU_Detail *dst,
57  OP_Context &context);
58 
59 private:
60  /// The following list of accessors simplify evaluating the parameters
61  /// of the SOP.
62  int DIVISIONS(fpreal t) { return evalInt ("divs", 0, t); }
63  fpreal XRADIUS(fpreal t) { return evalFloat("rad", 0, t); }
64  fpreal YRADIUS(fpreal t) { return evalFloat("rad", 1, t); }
65  int NEGRADIUS() { return evalInt ("nradius", 0, 0); }
66  fpreal CENTERX(fpreal t) { return evalFloat("t", 0, t); }
67  fpreal CENTERY(fpreal t) { return evalFloat("t", 1, t); }
68  fpreal CENTERZ(fpreal t) { return evalFloat("t", 2, t); }
69  int ORIENT() { return evalInt ("orient", 0, 0); }
70 };
71 } // End HDK_Sample namespace
72 
73 #endif
fpreal evalFloat(int pi, int vi, fpreal t) const
UT_ErrorSeverity
Definition: UT_Error.h:25
SOP_DualStar(OP_Network *net, const char *name, OP_Operator *op)
Definition: SOP_DualStar.C:109
static OP_Node * myConstructor(OP_Network *, const char *, OP_Operator *)
Definition: SOP_DualStar.C:104
static PRM_Template myTemplateList[]
Definition: SOP_DualStar.h:43
GLuint const GLchar * name
Definition: glcorearb.h:785
GLenum GLenum dst
Definition: glcorearb.h:1792
double fpreal
Definition: SYS_Types.h:270
virtual OP_ERROR cookMySop(OP_Context &context)
Definition: SOP_DualStar.C:118
virtual GU_DetailHandle cookMySopOutput(OP_Context &context, int outputidx, SOP_Node *interest)
Definition: SOP_DualStar.C:215
exint evalInt(int pi, int vi, fpreal t) const
void buildStar(GU_Detail *dst, OP_Context &context)
Actually build a star in the given geometry.
Definition: SOP_DualStar.C:136