125 lines
4.6 KiB
Plaintext
125 lines
4.6 KiB
Plaintext
// Filename: LODNode.I
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// Created by: mike (27Sep99)
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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) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#include <LOD.h>
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#include <notify.h>
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE LODNode::
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LODNode(const string &name) : SwitchNodeOne(name) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::Copy Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE LODNode::
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LODNode(const LODNode ©) :
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SwitchNodeOne(copy),
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_lod(copy._lod)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::add_switch
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// Access: Public
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// Description: Adds a switch range to the LODNode. This implies
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// that the corresponding child node has been parented
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// to the node.
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//
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// The sense of in vs. out distances is as if the object
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// were coming towards you from far away: it switches
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// "in" at the far distance, and switches "out" at the
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// close distance. Thus, "in" should be larger than
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// "out".
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////////////////////////////////////////////////////////////////////
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INLINE void LODNode::
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add_switch(float in, float out) {
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_lod._switch_vector.push_back(LODSwitch(in, out));
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::set_switch
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// Access: Public
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// Description: Changes the switching range of a particular child of
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// the LODNode. See add_switch().
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////////////////////////////////////////////////////////////////////
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INLINE bool LODNode::
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set_switch(int index, float in, float out) {
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nassertr(index >= 0 && index < (int)_lod._switch_vector.size(), false);
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_lod._switch_vector[index].set_range(in, out);
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return true;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::clear_switches
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// Access: Public
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// Description: Removes the set of switching ranges for the LODNode,
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// presumably in conjunction with removing all of its
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// children. See add_switch().
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////////////////////////////////////////////////////////////////////
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INLINE void LODNode::
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clear_switches(void) {
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_lod._switch_vector.erase(_lod._switch_vector.begin(),
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_lod._switch_vector.end());
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::get_num_switches
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// Access: Public
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// Description: Returns the number of switch ranges added to the
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// LODNode. This should correspond to the number of
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// children of the node in order for the LODNode to
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// function correctly.
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////////////////////////////////////////////////////////////////////
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INLINE int LODNode::
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get_num_switches() const {
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return _lod._switch_vector.size();
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::get_in
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// Access: Public
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// Description: Returns the "in" distance of the indicated switch
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// range. This should be larger than the "out" distance
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// of the same range.
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////////////////////////////////////////////////////////////////////
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INLINE float LODNode::
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get_in(int index) const {
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nassertr(index >= 0 && index < (int)_lod._switch_vector.size(), 0.0);
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return _lod._switch_vector[index].get_in();
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}
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////////////////////////////////////////////////////////////////////
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// Function: LODNode::get_out
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// Access: Public
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// Description: Returns the "out" distance of the indicated switch
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// range. This should be smaller than the "in" distance
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// of the same range.
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////////////////////////////////////////////////////////////////////
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INLINE float LODNode::
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get_out(int index) const {
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nassertr(index >= 0 && index < (int)_lod._switch_vector.size(), 0.0);
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return _lod._switch_vector[index].get_out();
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}
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