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RAY_DemoSprite.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 is a sample procedural DSO which creates sprites on point geometry.
27  */
28 
29 #ifndef __RAY_DemoSprite__
30 #define __RAY_DemoSprite__
31 
32 #include <RAY/RAY_Procedural.h>
33 #include <GU/GU_Detail.h>
34 #include <UT/UT_BoundingBox.h>
35 #include <UT/UT_IntArray.h>
36 
37 namespace HDK_Sample {
38 
39 class ray_SpriteAttribMap;
40 
42 public:
43  // Data which is uniform for all splits
44  const GU_Detail *myGdp;
52  float myTimeScale;
56 };
57 
59 public:
61  virtual ~RAY_DemoSprite();
62 
63  virtual const char *className() const;
64  virtual int initialize(const UT_BoundingBox *box);
65  int initChild(RAY_DemoSprite *sprite,
66  const UT_BoundingBox &box);
67  virtual void getBoundingBox(UT_BoundingBox &box);
68  virtual void render();
69 
70 private:
71  const GU_Detail *getPointGdp() const { return myParms->myGdp; }
72  fpreal getTime() const { return myParms->myTimeScale; }
73  int getChunk() const { return myParms->myChunkSize; }
74 
75  RAY_DemoSpriteParms *myParms;
76 
77  // Data which is unique per procedural
78  UT_BoundingBox myBox;
79  UT_BoundingBox myVelBox;
80  UT_IntArray myPointList;
81 };
82 
83 } // End HDK_Sample namespace
84 
85 #endif
Procedural primitive for mantra (RAY)
virtual const char * className() const
int initChild(RAY_DemoSprite *sprite, const UT_BoundingBox &box)
double fpreal
Definition: SYS_Types.h:270
virtual void getBoundingBox(UT_BoundingBox &box)
The bounding box is the "object space" bounds of the procedural.
Read-only handle for string attribute data.
Definition: GA_Handle.h:756
ray_SpriteAttribMap * myAttribMap
virtual int initialize(const UT_BoundingBox *box)