historical/toontown-classic.git/panda/include/paramValue.h
2024-01-16 11:20:27 -06:00

212 lines
6.4 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file paramValue.h
* @author drose
* @date 1999-02-08
*/
#ifndef PARAMVALUE_H
#define PARAMVALUE_H
#include "pandabase.h"
#include "typedef.h"
#include "typedObject.h"
#include "typedWritableReferenceCount.h"
#include "pointerTo.h"
#include "bamReader.h"
#include "bamWriter.h"
#include "luse.h"
/**
* A non-template base class of ParamValue (below), which serves mainly to
* define the placeholder for the virtual output function.
*/
class EXPCL_PANDA_PUTIL ParamValueBase : public TypedWritableReferenceCount {
public:
INLINE ParamValueBase();
PUBLISHED:
virtual ~ParamValueBase();
INLINE virtual TypeHandle get_value_type() const;
virtual void output(std::ostream &out) const=0;
public:
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedWritableReferenceCount::init_type();
register_type(_type_handle, "ParamValueBase",
TypedWritableReferenceCount::get_class_type());
}
private:
static TypeHandle _type_handle;
};
/**
* A class object for storing specifically objects of type
* TypedReferenceCount, which is different than TypedWritableReferenceCount.
*/
class EXPCL_PANDA_PUTIL ParamTypedRefCount : public ParamValueBase {
PUBLISHED:
INLINE ParamTypedRefCount(const TypedReferenceCount *value);
virtual ~ParamTypedRefCount();
INLINE virtual TypeHandle get_value_type() const;
INLINE TypedReferenceCount *get_value() const;
MAKE_PROPERTY(value, get_value);
virtual void output(std::ostream &out) const;
private:
PT(TypedReferenceCount) _value;
public:
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
ParamValueBase::init_type();
register_type(_type_handle, "ParamTypedRefCount",
ParamValueBase::get_class_type());
}
private:
static TypeHandle _type_handle;
};
/**
* A handy class object for storing simple values (like integers or strings)
* passed along with an Event or to be used as a shader input. This is
* essentially just a wrapper around whatever data type you like, to make it a
* TypedWritableReferenceCount object which can be passed along inside an
* EventParameter or ShaderInput.
*/
template<class Type>
class ParamValue : public ParamValueBase {
protected:
INLINE ParamValue();
PUBLISHED:
INLINE ParamValue(const Type &value);
INLINE virtual ~ParamValue();
INLINE virtual TypeHandle get_value_type() const;
INLINE void set_value(const Type &value);
INLINE const Type &get_value() const;
MAKE_PROPERTY(value, get_value, set_value);
INLINE virtual void output(std::ostream &out) const;
private:
Type _value;
public:
INLINE static void register_with_read_factory();
INLINE virtual void write_datagram(BamWriter *manager, Datagram &dg);
protected:
INLINE static TypedWritable *make_from_bam(const FactoryParams &params);
INLINE void fillin(DatagramIterator &scan, BamReader *manager);
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type(const std::string &type_name = "UndefinedParamValue") {
ParamValueBase::init_type();
_type_handle = register_dynamic_type
(type_name, ParamValueBase::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {
// In this case, we can't do anything, since we don't have the class'
// type_name.
return get_class_type();
}
private:
static TypeHandle _type_handle;
};
#include "paramValue.I"
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<std::string>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<std::wstring>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase2d>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase2f>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase2i>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase3d>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase3f>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase3i>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase4d>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase4f>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LVecBase4i>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LMatrix3d>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LMatrix3f>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LMatrix4d>);
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_PUTIL, EXPTP_PANDA_PUTIL, ParamValue<LMatrix4f>);
typedef ParamValue<std::string> ParamString;
typedef ParamValue<std::wstring> ParamWstring;
typedef ParamValue<LVecBase2d> ParamVecBase2d;
typedef ParamValue<LVecBase2f> ParamVecBase2f;
typedef ParamValue<LVecBase2i> ParamVecBase2i;
typedef ParamValue<LVecBase3d> ParamVecBase3d;
typedef ParamValue<LVecBase3f> ParamVecBase3f;
typedef ParamValue<LVecBase3i> ParamVecBase3i;
typedef ParamValue<LVecBase4d> ParamVecBase4d;
typedef ParamValue<LVecBase4f> ParamVecBase4f;
typedef ParamValue<LVecBase4i> ParamVecBase4i;
typedef ParamValue<LMatrix3d> ParamMatrix3d;
typedef ParamValue<LMatrix3f> ParamMatrix3f;
typedef ParamValue<LMatrix4d> ParamMatrix4d;
typedef ParamValue<LMatrix4f> ParamMatrix4f;
#ifdef STDFLOAT_DOUBLE
typedef ParamVecBase2d ParamVecBase2;
typedef ParamVecBase3d ParamVecBase3;
typedef ParamVecBase4d ParamVecBase4;
typedef ParamMatrix3d ParamMatrix3;
typedef ParamMatrix4d ParamMatrix4;
#else
typedef ParamVecBase2f ParamVecBase2;
typedef ParamVecBase3f ParamVecBase3;
typedef ParamVecBase4f ParamVecBase4;
typedef ParamMatrix3f ParamMatrix3;
typedef ParamMatrix4f ParamMatrix4;
#endif
#endif