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263 lines
9.8 KiB
C++
263 lines
9.8 KiB
C++
// Filename: lvecBase4_src.h
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// Created by: drose (08Mar00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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class FLOATNAME(LVecBase2);
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class FLOATNAME(LVecBase3);
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class FLOATNAME(LPoint3);
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class FLOATNAME(LVector3);
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class FLOATNAME(UnalignedLVecBase4);
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////////////////////////////////////////////////////////////////////
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// Class : LVecBase4
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// Description : This is the base class for all three-component
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// vectors and points.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_LINMATH ALIGN_LINMATH FLOATNAME(LVecBase4) {
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PUBLISHED:
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typedef FLOATTYPE numeric_type;
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typedef const FLOATTYPE *iterator;
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typedef const FLOATTYPE *const_iterator;
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enum {
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num_components = 4,
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#ifdef FLOATTYPE_IS_INT
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is_int = 1
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#else
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is_int = 0
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#endif
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};
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INLINE_LINMATH FLOATNAME(LVecBase4)();
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INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LVecBase4) ©);
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INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(UnalignedLVecBase4) ©);
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INLINE_LINMATH FLOATNAME(LVecBase4) &operator = (const FLOATNAME(LVecBase4) ©);
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INLINE_LINMATH FLOATNAME(LVecBase4) &operator = (const FLOATNAME(UnalignedLVecBase4) ©);
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INLINE_LINMATH FLOATNAME(LVecBase4) &operator = (FLOATTYPE fill_value);
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INLINE_LINMATH FLOATNAME(LVecBase4)(FLOATTYPE fill_value);
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INLINE_LINMATH FLOATNAME(LVecBase4)(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
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INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LVecBase3) ©, FLOATTYPE w);
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INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LPoint3) &point);
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INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LVector3) &vector);
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ALLOC_DELETED_CHAIN(FLOATNAME(LVecBase4));
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INLINE_LINMATH static const FLOATNAME(LVecBase4) &zero();
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INLINE_LINMATH static const FLOATNAME(LVecBase4) &unit_x();
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INLINE_LINMATH static const FLOATNAME(LVecBase4) &unit_y();
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INLINE_LINMATH static const FLOATNAME(LVecBase4) &unit_z();
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INLINE_LINMATH static const FLOATNAME(LVecBase4) &unit_w();
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INLINE_LINMATH ~FLOATNAME(LVecBase4)();
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EXTENSION(INLINE_LINMATH PyObject *__reduce__(PyObject *self) const);
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EXTENSION(INLINE_LINMATH PyObject *__getattr__(PyObject *self, const string &attr_name) const);
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EXTENSION(INLINE_LINMATH int __setattr__(PyObject *self, const string &attr_name, PyObject *assign));
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INLINE_LINMATH FLOATTYPE operator [](int i) const;
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INLINE_LINMATH FLOATTYPE &operator [](int i);
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INLINE_LINMATH static int size();
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INLINE_LINMATH bool is_nan() const;
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INLINE_LINMATH FLOATTYPE get_cell(int i) const;
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INLINE_LINMATH FLOATTYPE get_x() const;
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INLINE_LINMATH FLOATTYPE get_y() const;
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INLINE_LINMATH FLOATTYPE get_z() const;
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INLINE_LINMATH FLOATTYPE get_w() const;
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INLINE_LINMATH void set_cell(int i, FLOATTYPE value);
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INLINE_LINMATH void set_x(FLOATTYPE value);
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INLINE_LINMATH void set_y(FLOATTYPE value);
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INLINE_LINMATH void set_z(FLOATTYPE value);
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INLINE_LINMATH void set_w(FLOATTYPE value);
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// These next functions add to an existing value.
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// i.e. foo.set_x(foo.get_x() + value)
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// These are useful to reduce overhead in scripting
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// languages:
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INLINE_LINMATH void add_to_cell(int i, FLOATTYPE value);
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INLINE_LINMATH void add_x(FLOATTYPE value);
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INLINE_LINMATH void add_y(FLOATTYPE value);
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INLINE_LINMATH void add_z(FLOATTYPE value);
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INLINE_LINMATH void add_w(FLOATTYPE value);
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INLINE_LINMATH const FLOATTYPE *get_data() const;
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INLINE_LINMATH int get_num_components() const;
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INLINE_LINMATH void extract_data(float*){};
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public:
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INLINE_LINMATH iterator begin();
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INLINE_LINMATH iterator end();
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INLINE_LINMATH const_iterator begin() const;
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INLINE_LINMATH const_iterator end() const;
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PUBLISHED:
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INLINE_LINMATH void fill(FLOATTYPE fill_value);
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INLINE_LINMATH void set(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
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INLINE_LINMATH FLOATTYPE dot(const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH FLOATTYPE length_squared() const;
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#ifndef FLOATTYPE_IS_INT
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INLINE_LINMATH FLOATTYPE length() const;
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INLINE_LINMATH bool normalize();
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INLINE_LINMATH FLOATNAME(LVecBase4) project(const FLOATNAME(LVecBase4) &onto) const;
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#endif
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INLINE_LINMATH bool operator < (const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH bool operator == (const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH bool operator != (const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH int compare_to(const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH size_t get_hash() const;
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INLINE_LINMATH size_t add_hash(size_t hash) const;
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INLINE_LINMATH void generate_hash(ChecksumHashGenerator &hashgen) const;
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#ifndef FLOATTYPE_IS_INT
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INLINE_LINMATH int compare_to(const FLOATNAME(LVecBase4) &other,
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FLOATTYPE threshold) const;
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INLINE_LINMATH size_t get_hash(FLOATTYPE threshold) const;
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INLINE_LINMATH size_t add_hash(size_t hash, FLOATTYPE threshold) const;
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INLINE_LINMATH void generate_hash(ChecksumHashGenerator &hashgen,
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FLOATTYPE threshold) const;
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#endif
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INLINE_LINMATH FLOATNAME(LVecBase4) operator - () const;
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INLINE_LINMATH FLOATNAME(LVecBase4)
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operator + (const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH FLOATNAME(LVecBase4)
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operator - (const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH FLOATNAME(LVecBase4) operator * (FLOATTYPE scalar) const;
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INLINE_LINMATH FLOATNAME(LVecBase4) operator / (FLOATTYPE scalar) const;
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INLINE_LINMATH void operator += (const FLOATNAME(LVecBase4) &other);
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INLINE_LINMATH void operator -= (const FLOATNAME(LVecBase4) &other);
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INLINE_LINMATH void operator *= (FLOATTYPE scalar);
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INLINE_LINMATH void operator /= (FLOATTYPE scalar);
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INLINE_LINMATH void componentwise_mult(const FLOATNAME(LVecBase4) &other);
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EXTENSION(INLINE_LINMATH FLOATNAME(LVecBase4) __pow__(FLOATTYPE exponent) const);
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EXTENSION(INLINE_LINMATH PyObject *__ipow__(PyObject *self, FLOATTYPE exponent));
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INLINE_LINMATH FLOATNAME(LVecBase4) fmax(const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH FLOATNAME(LVecBase4) fmin(const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH bool almost_equal(const FLOATNAME(LVecBase4) &other,
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FLOATTYPE threshold) const;
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INLINE_LINMATH bool almost_equal(const FLOATNAME(LVecBase4) &other) const;
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INLINE_LINMATH void output(ostream &out) const;
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EXTENSION(INLINE_LINMATH string __repr__() const);
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INLINE_LINMATH void write_datagram_fixed(Datagram &destination) const;
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INLINE_LINMATH void read_datagram_fixed(DatagramIterator &source);
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INLINE_LINMATH void write_datagram(Datagram &destination) const;
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INLINE_LINMATH void read_datagram(DatagramIterator &source);
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public:
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// The underlying implementation is via the Eigen library, if available.
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// Unlike LVecBase2 and LVecBase3, we fully align LVecBase4 to
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// 16-byte boundaries, to take advantage of SSE2 optimizations when
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// available. Sometimes this alignment requirement is inconvenient,
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// so we also provide UnalignedLVecBase4, below.
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typedef LINMATH_MATRIX(FLOATTYPE, 1, 4) EVector4;
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EVector4 _v;
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INLINE_LINMATH FLOATNAME(LVecBase4)(const EVector4 &v) : _v(v) { }
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private:
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static const FLOATNAME(LVecBase4) _zero;
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static const FLOATNAME(LVecBase4) _unit_x;
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static const FLOATNAME(LVecBase4) _unit_y;
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static const FLOATNAME(LVecBase4) _unit_z;
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static const FLOATNAME(LVecBase4) _unit_w;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type();
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private:
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static TypeHandle _type_handle;
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};
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////////////////////////////////////////////////////////////////////
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// Class : UnalignedLVecBase4
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// Description : This is an "unaligned" LVecBase4. It has no
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// functionality other than to store numbers, and it
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// will pack them in as tightly as possible, avoiding
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// any SSE2 alignment requirements shared by the primary
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// LVecBase4 class.
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//
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// Use it only when you need to pack numbers tightly
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// without respect to alignment, and then copy it to a
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// proper LVecBase4 to get actual use from it.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_LINMATH FLOATNAME(UnalignedLVecBase4) {
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PUBLISHED:
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enum {
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num_components = 4,
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#ifdef FLOATTYPE_IS_INT
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is_int = 1
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#else
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is_int = 0
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#endif
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};
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)();
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(const FLOATNAME(LVecBase4) ©);
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(const FLOATNAME(UnalignedLVecBase4) ©);
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4) &operator = (const FLOATNAME(LVecBase4) ©);
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4) &operator = (const FLOATNAME(UnalignedLVecBase4) ©);
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INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
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INLINE_LINMATH void set(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
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INLINE_LINMATH FLOATTYPE operator [](int i) const;
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INLINE_LINMATH FLOATTYPE &operator [](int i);
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INLINE_LINMATH static int size();
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INLINE_LINMATH const FLOATTYPE *get_data() const;
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INLINE_LINMATH int get_num_components() const;
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public:
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typedef FLOATTYPE numeric_type;
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typedef UNALIGNED_LINMATH_MATRIX(FLOATTYPE, 1, 4) UVector4;
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UVector4 _v;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type();
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private:
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static TypeHandle _type_handle;
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};
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INLINE ostream &operator << (ostream &out, const FLOATNAME(LVecBase4) &vec) {
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vec.output(out);
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return out;
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}
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#include "lvecBase4_src.I"
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