/*
** Command & Conquer Generals Zero Hour(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see .
*/
/* $Header: /Commando/Code/Tools/max2w3d/nodefilt.cpp 9 1/16/98 10:34a Greg_h $ */
/***********************************************************************************************
*** Confidential - Westwood Studios ***
***********************************************************************************************
* *
* Project Name : Commando / G *
* *
* File Name : NODEFILT.CPP *
* *
* Programmer : Greg Hjelstrom *
* *
* Start Date : 06/09/97 *
* *
* Last Update : June 9, 1997 [GH] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* VisibleMeshINodeFilter::Accept_Node -- Accepts visible meshes *
* AnimatedINodeFilter::Accept_Node -- Accepts animated INodes *
* RootINodeFilter::Accept_Node -- Accepts root INodes *
* VisibleHelperINodeFilter::Accept_Node -- Accepts visible helper objects *
* VisibleMeshOrHelperINodeFilter::Accept_Node -- Accepts visible helper or mesh objects *
* HelperINodeFilter::Accept_Node -- Accepts all helper inodes (including hidden) *
* MeshINodeFilter::Accept_Node -- Accepts all mesh inodes (including hidden) *
* VisibleSelectedINodeFilter::Accept_Node -- Accepts Visible and selected inodes *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "nodefilt.h"
#include
/*
** The default node filter:
*/
VisibleMeshINodeFilter DefaultINodeFilter;
/***********************************************************************************************
* HelperINodeFilter::Accept_Node -- Accepts all helper inodes (including hidden) *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 07/10/1997 GH : Created. *
*=============================================================================================*/
BOOL HelperINodeFilter::Accept_Node(INode * node,TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
if (obj && obj->SuperClassID() == HELPER_CLASS_ID) {
return TRUE;
}
return FALSE;
}
/***********************************************************************************************
* MeshINodeFilter::Accept_Node -- Accepts all mesh inodes (including hidden) *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 07/10/1997 GH : Created. *
*=============================================================================================*/
BOOL MeshINodeFilter::Accept_Node(INode * node,TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
if (obj &&
obj->CanConvertToType(triObjectClassID) &&
obj->SuperClassID() == GEOMOBJECT_CLASS_ID)
{
return TRUE;
} else {
return FALSE;
}
}
/***********************************************************************************************
* VisibleMeshINodeFilter::Accept_Node -- Accepts visible meshes *
* *
* Accepts nodes which: *
* - can be converted to tri-meshes *
* - are not hidden *
* - whose visibility > 0.0 *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 06/09/1997 GH : Created. *
*=============================================================================================*/
BOOL VisibleMeshINodeFilter::Accept_Node(INode * node, TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
if
(
obj
&& !node->IsHidden ()
&& obj->CanConvertToType(triObjectClassID)
&& obj->SuperClassID() == GEOMOBJECT_CLASS_ID
// && node->GetVisibility (time) > 0.0f
)
{
return TRUE;
} else {
return FALSE;
}
}
/***********************************************************************************************
* VisibleHelperINodeFilter::Accept_Node -- Accepts visible helper objects *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 07/03/1997 GH : Created. *
*=============================================================================================*/
BOOL VisibleHelperINodeFilter::Accept_Node(INode * node, TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
if ((!obj) || (node->IsHidden()) /*|| (node->GetVisibility(time) <= 0.0f)*/) {
return FALSE;
}
if (obj->SuperClassID() == HELPER_CLASS_ID) {
return TRUE;
}
return FALSE;
}
/***********************************************************************************************
* VisibleMeshOrHelperINodeFilter::Accept_Node -- Accepts visible helper or mesh objects *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 07/03/1997 GH : Created. *
*=============================================================================================*/
BOOL VisibleMeshOrHelperINodeFilter::Accept_Node(INode * node, TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
if ((!obj) || (node->IsHidden()) /*|| (node->GetVisibility(time) <= 0.0f)*/) {
return FALSE;
}
if (obj->CanConvertToType(triObjectClassID) && obj->SuperClassID() == GEOMOBJECT_CLASS_ID) {
return TRUE;
}
if (obj->SuperClassID() == HELPER_CLASS_ID) {
return TRUE;
}
return FALSE;
}
/***********************************************************************************************
* AnimatedINodeFilter::Accept_Node -- Accepts animated INodes *
* *
* Accepts nodes which: *
* - can be converted to tri-meshes *
* - are not hidden *
* - whose visibility > 0.0 *
* - have animation keys! *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 06/09/1997 GH : Created. *
*=============================================================================================*/
BOOL AnimatedINodeFilter::Accept_Node(INode * node, TimeValue time)
{
Object * obj = node->EvalWorldState(time).obj;
Control * poscon = node->GetTMController()->GetPositionController();
Control * rotcon = node->GetTMController()->GetRotationController();
int numkeys = 0;
if (poscon != NULL) {
IKeyControl * poskeys = GetKeyControlInterface(poscon);
if (poskeys != NULL) numkeys += poskeys->GetNumKeys();
}
if (rotcon != NULL) {
IKeyControl * rotkeys = GetKeyControlInterface(rotcon);
if (rotkeys != NULL) numkeys += rotkeys->GetNumKeys();
}
if (obj && !node->IsHidden() && numkeys > 0) {
return TRUE;
}
return FALSE;
}
/***********************************************************************************************
* VisibleSelectedINodeFilter::Accept_Node -- Accepts Visible and selected inodes *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/13/98 GTH : Created. *
*=============================================================================================*/
BOOL VisibleSelectedINodeFilter::Accept_Node(INode * node, TimeValue time)
{
if (!node->IsHidden() && node->Selected()) {
return TRUE;
} else {
return FALSE;
}
}