121 lines
4.1 KiB
Plaintext
121 lines
4.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_ARRAY
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#define OSG_ARRAY 1
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#include <osg/Object>
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#include <osg/GL>
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#include <osg/Vec2>
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <vector>
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namespace osg {
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enum ArrayType
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{
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AttributeArrayType = 0,
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ByteArrayType = 1,
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ShortArrayType = 2,
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IntArrayType = 3,
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UByteArrayType = 4,
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UShortArrayType = 5,
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UIntArrayType = 6,
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UByte4ArrayType = 7,
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FloatArrayType = 8,
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Vec2ArrayType = 9,
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Vec3ArrayType = 10,
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Vec4ArrayType = 11
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};
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class SG_EXPORT AttributeArray : public Object
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{
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public:
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AttributeArray(ArrayType arrayType=AttributeArrayType,GLint dataSize=0,GLenum dataType=0):
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_arrayType(arrayType),
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_dataSize(dataSize),
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_dataType(dataType) {}
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AttributeArray(const AttributeArray& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Object(array,copyop),
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_arrayType(array._arrayType),
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_dataSize(array._dataSize),
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_dataType(array._dataType) {}
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const AttributeArray*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const;
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ArrayType arrayType() const { return _arrayType; }
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GLint dataSize() const { return _dataSize; }
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GLenum dataType() const { return _dataType; }
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virtual const GLvoid* dataPointer() const = 0;
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protected:
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virtual ~AttributeArray() {}
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ArrayType _arrayType;
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GLint _dataSize;
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GLenum _dataType;
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};
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template<typename T, ArrayType ARRAYTYPE, int DataSize, int DataType>
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class TemplateArray : public AttributeArray, public std::vector<T>
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{
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public:
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TemplateArray() : AttributeArray(ARRAYTYPE,DataSize,DataType) {}
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TemplateArray(const TemplateArray& ta,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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AttributeArray(ta,copyop),
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std::vector<T>(ta) {}
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TemplateArray(unsigned int no) :
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AttributeArray(ARRAYTYPE,DataSize,DataType),
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std::vector<T>(no) {}
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TemplateArray(unsigned int no,T* ptr) :
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AttributeArray(ARRAYTYPE,DataSize,DataType),
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std::vector<T>(ptr,ptr+no) {}
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template <class InputIterator>
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TemplateArray(InputIterator first,InputIterator last) :
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AttributeArray(ARRAYTYPE,DataSize,DataType),
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std::vector<T>(first,last) {}
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// TemplateArray(T* first,T* last) :
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// AttributeArray(ARRAYTYPE,DataSize,DataType),
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// std::vector<T>(first,last) {}
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virtual Object* cloneType() const { return osgNew TemplateArray(); }
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virtual Object* clone(const CopyOp& copyop) const { return osgNew TemplateArray(*this,copyop); }
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virtual const GLvoid* dataPointer() const { if (!empty()) return &front(); else return 0; }
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};
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typedef TemplateArray<char,ByteArrayType,1,GL_BYTE> ByteArray;
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typedef TemplateArray<short,ShortArrayType,1,GL_SHORT> ShortArray;
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typedef TemplateArray<int,IntArrayType,1,GL_INT> IntArray;
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typedef TemplateArray<unsigned char,UByteArrayType,1,GL_UNSIGNED_BYTE> UByteArray;
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typedef TemplateArray<unsigned short,UShortArrayType,1,GL_UNSIGNED_SHORT> UShortArray;
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typedef TemplateArray<unsigned int,UIntArrayType,1,GL_UNSIGNED_INT> UIntArray;
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typedef TemplateArray<unsigned int,UByte4ArrayType,4,GL_UNSIGNED_BYTE> UByte4Array;
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typedef TemplateArray<float,FloatArrayType,1,GL_FLOAT> FloatArray;
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typedef TemplateArray<Vec2,Vec2ArrayType,2,GL_FLOAT> Vec2Array;
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typedef TemplateArray<Vec3,Vec3ArrayType,3,GL_FLOAT> Vec3Array;
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typedef TemplateArray<Vec4,Vec4ArrayType,4,GL_FLOAT> Vec4Array;
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}
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#endif
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