panda3d/panda/src/sgattrib/fogTransition.h
2001-01-11 23:10:48 +00:00

63 lines
1.7 KiB
C++

// Filename: fogTransition.h
// Created by: mike (19Jan99)
//
////////////////////////////////////////////////////////////////////
#ifndef FOGTRANSITION_H
#define FOGTRANSITION_H
#include <pandabase.h>
#include <onOffTransition.h>
#include <fog.h>
////////////////////////////////////////////////////////////////////
// Class : FogTransition
// Description : This controls the enabling of fog. This typically
// attenuates the colors based on the distance from the
// observer (e.g. the z depth).
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA FogTransition : public OnOffTransition {
public:
INLINE FogTransition();
INLINE FogTransition(Fog *fog);
INLINE static FogTransition off();
INLINE void set_on(Fog *fog);
INLINE Fog *get_fog() const;
public:
virtual NodeTransition *make_copy() const;
virtual NodeAttribute *make_attrib() const;
protected:
virtual void set_value_from(const OnOffTransition *other);
virtual int compare_values(const OnOffTransition *other) const;
virtual void output_value(ostream &out) const;
virtual void write_value(ostream &out, int indent_level) const;
PT(Fog) _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() {
OnOffTransition::init_type();
register_type(_type_handle, "FogTransition",
OnOffTransition::get_class_type());
}
private:
static TypeHandle _type_handle;
friend class FogAttribute;
};
#include "fogTransition.I"
#endif