104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// Filename: eggSwitchCondition.h
|
|
// Created by: drose (08Feb99)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) 2001, 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://www.panda3d.org/license.txt .
|
|
//
|
|
// To contact the maintainers of this program write to
|
|
// panda3d@yahoogroups.com .
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef EGGSWITCHCONDITION
|
|
#define EGGSWITCHCONDITION
|
|
|
|
#include <pandabase.h>
|
|
|
|
#include "eggObject.h"
|
|
#include <luse.h>
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : EggSwitchCondition
|
|
// Description : This corresponds to a <SwitchCondition> entry within
|
|
// a group. It indicates the condition at which a
|
|
// level-of-detail is switched in or out. This is
|
|
// actually an abstract base class for potentially any
|
|
// number of specific different kinds of switching
|
|
// conditions; presently, only a <Distance> type is
|
|
// actually supported.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDAEGG EggSwitchCondition : public EggObject {
|
|
public:
|
|
virtual EggSwitchCondition *make_copy() const=0;
|
|
virtual void write(ostream &out, int indent_level) const=0;
|
|
|
|
virtual void transform(const LMatrix4d &mat)=0;
|
|
|
|
|
|
public:
|
|
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
EggObject::init_type();
|
|
register_type(_type_handle, "EggSwitchCondition",
|
|
EggObject::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
};
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : EggSwitchConditionDistance
|
|
// Description : A SwitchCondition that switches the levels-of-detail
|
|
// based on distance from the camera's eyepoint.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDAEGG EggSwitchConditionDistance : public EggSwitchCondition {
|
|
public:
|
|
EggSwitchConditionDistance(double switch_in, double switch_out,
|
|
const LPoint3d ¢er, double fade = 0.0);
|
|
|
|
virtual EggSwitchCondition *make_copy() const;
|
|
virtual void write(ostream &out, int indent_level) const;
|
|
|
|
virtual void transform(const LMatrix4d &mat);
|
|
|
|
double _switch_in, _switch_out, _fade;
|
|
LPoint3d _center;
|
|
|
|
public:
|
|
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
EggSwitchCondition::init_type();
|
|
register_type(_type_handle, "EggSwitchConditionDistance",
|
|
EggSwitchCondition::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
};
|
|
|
|
|
|
#endif
|
|
|