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SOP_CustomBrush.h
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1 /*
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27 
28 #ifndef __SOP_CustomBrush_h__
29 #define __SOP_CustomBrush_h__
30 
31 #include <SOP/SOP_Node.h>
32 #include <UT/UT_Array.h>
33 
34 namespace HDK_Sample {
35 enum
36 {
37  // Group parameters
47 };
48 
49 // structure to describe the paint applied to a particular point
50 // the colors are assumed to be pre-multiplied by the alpha
52 {
55 
61 };
62 
63 class SOP_CustomBrush : public SOP_Node
64 {
65 public:
66  // our constructor
67  SOP_CustomBrush(OP_Network *net, const char *name, OP_Operator *op);
68  // our destructor
69  ~SOP_CustomBrush() override;
70 
72  static OP_Node *myConstructor(OP_Network*, const char *, OP_Operator *);
73 
75  int alone = 0) override;
76 
77  // used by undo/redo to update the paint
79 
80 protected:
81  // Method to cook geometry for the SOP
83 
84  // save the SOP's data (including the applied paint)
85  OP_ERROR save(std::ostream &os,
86  const OP_SaveFlags &flags,
87  const char *path_prefix,
88  const UT_String &name_override = UT_String()
89  ) override;
90  // load the SOP's data (including the applied paint)
91  bool load(UT_IStream &is,
92  const char *extension,
93  const char *path) override;
94 
95  // callback used by the "Clear All" parameter
96  static int clearAllStatic(void *op, int, fpreal time, const PRM_Template *);
97  void clearAll();
98 
99 private:
100  UT_Vector3 evalVector3(int idx, fpreal t)
101  {
102  return UT_Vector3(evalFloat(idx, 0, t),
103  evalFloat(idx, 1, t),
104  evalFloat(idx, 2, t));
105  }
106 
107  UT_Vector3 getOrigin(fpreal t)
108  { return evalVector3(SOP_CUSTOMBRUSH_ORIGIN_IDX, t); }
109 
110  UT_Vector3 getDirection(fpreal t)
111  { return evalVector3(SOP_CUSTOMBRUSH_DIRECTION_IDX, t); }
112 
113  fpreal getRadius(fpreal t)
114  { return evalFloat(SOP_CUSTOMBRUSH_RADIUS_IDX, 0, t); }
115 
116  UT_Vector3 getBrushColor(fpreal t)
117  { return evalVector3(SOP_CUSTOMBRUSH_COLOR_IDX, t); }
118 
119  fpreal getBrushAlpha(fpreal t)
120  { return evalFloat(SOP_CUSTOMBRUSH_ALPHA_IDX, 0, t); }
121 
122  int getOperation(fpreal t)
123  { return evalInt(SOP_CUSTOMBRUSH_OPERATION_IDX, 0, t); }
124 
125  int getEvent(fpreal t)
126  { return evalInt(SOP_CUSTOMBRUSH_EVENT_IDX, 0, t); }
127 
128  const GA_PointGroup *myGroup;
129 
130  // expected number of points in the input
131  GA_Size myNumPts;
132 
133  // contains previous expected number of points in the input for undos
134  GA_Size myOldNumPts;
135 
136  // stores applied paint values
138 
139  // contains previous paint values for undos
141 };
142 } // End HDK_Sample namespace
143 
144 #endif
GLuint const GLchar * name
Definition: glew.h:1814
static int clearAllStatic(void *op, int, fpreal time, const PRM_Template *)
GT_API const UT_StringHolder time
GLboolean GLboolean GLboolean GLboolean a
Definition: glew.h:9477
UT_Vector3T< float > UT_Vector3
GLenum GLsizei GLsizei GLsizei GLsizei GLbitfield flags
Definition: glew.h:2864
int64 exint
Definition: SYS_Types.h:125
fpreal evalFloat(int pi, int vi, fpreal t) const
UT_ErrorSeverity
Definition: UT_Error.h:25
SOP_CustomBrush(OP_Network *net, const char *name, OP_Operator *op)
exint GA_Size
Defines the bit width for index and offset types in GA.
Definition: GA_Types.h:233
bool load(UT_IStream &is, const char *extension, const char *path) override
OP_ERROR save(std::ostream &os, const OP_SaveFlags &flags, const char *path_prefix, const UT_String &name_override=UT_String()) override
OIIO_API std::string extension(const std::string &filepath, bool include_dot=true)
void updateData(exint numpts, UT_Array< SOP_CustomBrushData > &data)
GLint GLenum GLsizei GLint GLsizei const void * data
Definition: glew.h:1379
OP_ERROR cookMySop(OP_Context &context) override
SOP_CustomBrushData(GA_Index ptnum, fpreal r, fpreal g, fpreal b, fpreal a)
OP_ERROR cookInputGroups(OP_Context &context, int alone=0) override
GA_Size GA_Index
Define the strictness of GA_Offset/GA_Index.
Definition: GA_Types.h:633
static OP_Node * myConstructor(OP_Network *, const char *, OP_Operator *)
GLsizei const GLchar *const * path
Definition: glew.h:6461
GLdouble GLdouble GLdouble b
Definition: glew.h:9122
fpreal64 fpreal
Definition: SYS_Types.h:277
GLdouble GLdouble GLdouble r
Definition: glew.h:1406
exint evalInt(int pi, int vi, fpreal t) const
static PRM_Template myTemplateList[]
GLdouble GLdouble t
Definition: glew.h:1398
GLboolean GLboolean g
Definition: glew.h:9477