329 lines
11 KiB
C++
329 lines
11 KiB
C++
// Filename: geomVertexColumn.h
|
|
// Created by: drose (06Mar05)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
|
|
//
|
|
// All use of this software is subject to the terms of the Panda 3d
|
|
// Software license. You should have received a copy of this license
|
|
// along with this source code; you will also find a current copy of
|
|
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
|
|
//
|
|
// To contact the maintainers of this program write to
|
|
// panda3d-general@lists.sourceforge.net .
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef GEOMVERTEXCOLUMN_H
|
|
#define GEOMVERTEXCOLUMN_H
|
|
|
|
#include "pandabase.h"
|
|
#include "geomEnums.h"
|
|
#include "internalName.h"
|
|
#include "pointerTo.h"
|
|
#include "luse.h"
|
|
|
|
class TypedWritable;
|
|
class BamWriter;
|
|
class BamReader;
|
|
class Datagram;
|
|
class DatagramIterator;
|
|
|
|
class GeomVertexReader;
|
|
class GeomVertexWriter;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : GeomVertexColumn
|
|
// Description : This defines how a single column is interleaved
|
|
// within a vertex array stored within a Geom. The
|
|
// GeomVertexArrayFormat class maintains a list of these
|
|
// to completely define a particular array structure.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDA GeomVertexColumn : public GeomEnums {
|
|
PUBLISHED:
|
|
private:
|
|
INLINE GeomVertexColumn();
|
|
PUBLISHED:
|
|
INLINE GeomVertexColumn(InternalName *name, int num_components,
|
|
NumericType numeric_type, Contents contents,
|
|
int start);
|
|
INLINE GeomVertexColumn(const GeomVertexColumn ©);
|
|
void operator = (const GeomVertexColumn ©);
|
|
INLINE ~GeomVertexColumn();
|
|
|
|
INLINE InternalName *get_name() const;
|
|
INLINE int get_num_components() const;
|
|
INLINE int get_num_values() const;
|
|
INLINE NumericType get_numeric_type() const;
|
|
INLINE Contents get_contents() const;
|
|
INLINE int get_start() const;
|
|
INLINE int get_component_bytes() const;
|
|
INLINE int get_total_bytes() const;
|
|
INLINE bool has_homogeneous_coord() const;
|
|
|
|
INLINE bool overlaps_with(int start_byte, int num_bytes) const;
|
|
INLINE bool is_bytewise_equivalent(const GeomVertexColumn &other) const;
|
|
|
|
void output(ostream &out) const;
|
|
|
|
public:
|
|
INLINE bool is_packed_argb() const;
|
|
INLINE bool is_uint8_rgba() const;
|
|
|
|
INLINE int compare_to(const GeomVertexColumn &other) const;
|
|
INLINE bool operator == (const GeomVertexColumn &other) const;
|
|
INLINE bool operator != (const GeomVertexColumn &other) const;
|
|
INLINE bool operator < (const GeomVertexColumn &other) const;
|
|
|
|
private:
|
|
class Packer;
|
|
|
|
void setup();
|
|
Packer *make_packer() const;
|
|
|
|
public:
|
|
void write_datagram(BamWriter *manager, Datagram &dg);
|
|
int complete_pointers(TypedWritable **plist, BamReader *manager);
|
|
void fillin(DatagramIterator &scan, BamReader *manager);
|
|
|
|
private:
|
|
PT(InternalName) _name;
|
|
int _num_components;
|
|
int _num_values;
|
|
NumericType _numeric_type;
|
|
Contents _contents;
|
|
int _start;
|
|
int _component_bytes;
|
|
int _total_bytes;
|
|
Packer *_packer;
|
|
|
|
// This nested class provides the implementation for packing and
|
|
// unpacking data in a very general way, but also provides the hooks
|
|
// for implementing the common, very direct code paths (for
|
|
// instance, 3-component float32 to LVecBase3f) as quickly as
|
|
// possible.
|
|
class Packer {
|
|
public:
|
|
virtual ~Packer();
|
|
virtual float get_data1f(const unsigned char *pointer);
|
|
virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual int get_data1i(const unsigned char *pointer);
|
|
virtual const int *get_data2i(const unsigned char *pointer);
|
|
virtual const int *get_data3i(const unsigned char *pointer);
|
|
virtual const int *get_data4i(const unsigned char *pointer);
|
|
|
|
virtual void set_data1f(unsigned char *pointer, float data);
|
|
virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
|
|
virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &data);
|
|
|
|
virtual void set_data1i(unsigned char *pointer, int a);
|
|
virtual void set_data2i(unsigned char *pointer, int a, int b);
|
|
virtual void set_data3i(unsigned char *pointer, int a, int b, int c);
|
|
virtual void set_data4i(unsigned char *pointer, int a, int b, int c, int d);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer";
|
|
}
|
|
|
|
INLINE float maybe_scale_color(unsigned int value);
|
|
INLINE void maybe_scale_color(unsigned int a, unsigned int b);
|
|
INLINE void maybe_scale_color(unsigned int a, unsigned int b,
|
|
unsigned int c);
|
|
INLINE void maybe_scale_color(unsigned int a, unsigned int b,
|
|
unsigned int c, unsigned int d);
|
|
|
|
INLINE unsigned int maybe_unscale_color(float data);
|
|
INLINE void maybe_unscale_color(const LVecBase2f &data);
|
|
INLINE void maybe_unscale_color(const LVecBase3f &data);
|
|
INLINE void maybe_unscale_color(const LVecBase4f &data);
|
|
|
|
const GeomVertexColumn *_column;
|
|
LVecBase2f _v2;
|
|
LVecBase3f _v3;
|
|
LVecBase4f _v4;
|
|
int _i[4];
|
|
unsigned int _a, _b, _c, _d;
|
|
};
|
|
|
|
|
|
// This is a specialization on the generic Packer that handles
|
|
// points, which are special because the fourth component, if not
|
|
// present in the data, is implicitly 1.0; and if it is present,
|
|
// than any three-component or smaller return is implicitly divided
|
|
// by the fourth component.
|
|
class Packer_point : public Packer {
|
|
public:
|
|
virtual float get_data1f(const unsigned char *pointer);
|
|
virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data1f(unsigned char *pointer, float data);
|
|
virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
|
|
virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &data);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point";
|
|
}
|
|
};
|
|
|
|
// This is similar to Packer_point, in that the fourth component is
|
|
// implicitly 1.0 if it is not present in the data, but we never
|
|
// divide by alpha.
|
|
class Packer_color : public Packer {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data1f(unsigned char *pointer, float data);
|
|
virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
|
|
virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_color";
|
|
}
|
|
};
|
|
|
|
|
|
// These are the specializations on the generic Packer that handle
|
|
// the direct code paths.
|
|
|
|
class Packer_float32_3 : public Packer {
|
|
public:
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
virtual void set_data3f(unsigned char *pointer, const LVecBase3f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_float32_3";
|
|
}
|
|
};
|
|
|
|
class Packer_point_float32_2 : public Packer_point {
|
|
public:
|
|
virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
|
|
virtual void set_data2f(unsigned char *pointer, const LVecBase2f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point_float32_2";
|
|
}
|
|
};
|
|
|
|
class Packer_point_float32_3 : public Packer_point {
|
|
public:
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
virtual void set_data3f(unsigned char *pointer, const LVecBase3f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point_float32_3";
|
|
}
|
|
};
|
|
|
|
class Packer_point_float32_4 : public Packer_point {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point_float32_4";
|
|
}
|
|
};
|
|
|
|
class Packer_nativefloat_3 : public Packer_float32_3 {
|
|
public:
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_nativefloat_3";
|
|
}
|
|
};
|
|
|
|
class Packer_point_nativefloat_2 : public Packer_point_float32_2 {
|
|
public:
|
|
virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_nativefloat_2";
|
|
}
|
|
};
|
|
|
|
class Packer_point_nativefloat_3 : public Packer_point_float32_3 {
|
|
public:
|
|
virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point_nativefloat_3";
|
|
}
|
|
};
|
|
|
|
class Packer_point_nativefloat_4 : public Packer_point_float32_4 {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_point_nativefloat_4";
|
|
}
|
|
};
|
|
|
|
class Packer_argb_packed : public Packer_color {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_argb_packed";
|
|
}
|
|
};
|
|
|
|
class Packer_rgba_uint8_4 : public Packer_color {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_rgba_uint8_4";
|
|
}
|
|
};
|
|
|
|
class Packer_rgba_float32_4 : public Packer_color {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_rgba_float32_4";
|
|
}
|
|
};
|
|
|
|
class Packer_rgba_nativefloat_4 : public Packer_rgba_float32_4 {
|
|
public:
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_rgba_nativefloat_4";
|
|
}
|
|
};
|
|
|
|
class Packer_uint16_1 : public Packer {
|
|
public:
|
|
virtual int get_data1i(const unsigned char *pointer);
|
|
virtual void set_data1i(unsigned char *pointer, int value);
|
|
|
|
virtual const char *get_name() const {
|
|
return "Packer_uint16_1";
|
|
}
|
|
};
|
|
|
|
friend class GeomVertexArrayFormat;
|
|
friend class GeomVertexReader;
|
|
friend class GeomVertexWriter;
|
|
};
|
|
|
|
INLINE ostream &operator << (ostream &out, const GeomVertexColumn &obj);
|
|
|
|
#include "geomVertexColumn.I"
|
|
|
|
#endif
|