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Initial commit of Command & Conquer Renegade source code.
This commit is contained in:
LFeenanEA
281
Code/ww3d2/htreemgr.cpp
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281
Code/ww3d2/htreemgr.cpp
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* $Header: /Commando/Code/ww3d2/htreemgr.cpp 2 9/19/01 6:17p Jani_p $ */
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/***********************************************************************************************
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*** Confidential - Westwood Studios ***
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***********************************************************************************************
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* *
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* Project Name : Commando / G 3D Library *
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* *
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* $Archive:: /Commando/Code/ww3d2/htreemgr.cpp $*
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* *
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* Author:: Byon_g *
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* *
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* $Modtime:: 9/14/01 12:01p $*
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* *
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* $Revision:: 2 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* HTreeManagerClass::HTreeManagerClass -- constructor *
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* HTreeManagerClass::~HTreeManagerClass -- destructor *
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* HTreeManagerClass::Free -- de-allocate all memory in use *
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* HTreeManagerClass::Free_All_Trees -- de-allocates all hierarchy trees currently loaded *
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* HTreeManagerClass::Load_Tree -- load a hierarchy tree from a file *
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* HTreeManagerClass::Get_Tree_ID -- look up the ID of a named hierarchy tree *
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* HTreeManagerClass::Get_Tree -- get a pointer to the specified hierarchy tree *
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* HTreeManagerClass::Get_Tree -- get a pointer to the specified hierarchy tree *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "htreemgr.h"
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#include <string.h>
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#include "htree.h"
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#include "chunkio.h"
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#include "wwmemlog.h"
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/***********************************************************************************************
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* HTreeManagerClass::HTreeManagerClass -- constructor *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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HTreeManagerClass::HTreeManagerClass(void) :
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NumTrees(0)
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{
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for (int treeidx=0; treeidx < MAX_TREES; treeidx++) {
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TreePtr[treeidx] = NULL;
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}
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}
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/***********************************************************************************************
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* HTreeManagerClass::~HTreeManagerClass -- destructor *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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HTreeManagerClass::~HTreeManagerClass(void)
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{
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Free();
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}
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/***********************************************************************************************
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* HTreeManagerClass::Free -- de-allocate all memory in use *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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void HTreeManagerClass::Free(void)
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{
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Free_All_Trees();
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}
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/***********************************************************************************************
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* HTreeManagerClass::Free_All_Trees -- de-allocates all hierarchy trees currently loaded *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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void HTreeManagerClass::Free_All_Trees(void)
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{
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// Clear the hash table
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TreeHash.Remove_All();
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for (int treeidx=0; treeidx < MAX_TREES; treeidx++) {
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if (TreePtr[treeidx] != NULL) {
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delete TreePtr[treeidx];
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TreePtr[treeidx] = NULL;
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}
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}
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NumTrees = 0;
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}
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/***********************************************************************************************
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* HTreeManagerClass::Load_Tree -- load a hierarchy tree from a file *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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int HTreeManagerClass::Load_Tree(ChunkLoadClass & cload)
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{
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WWMEMLOG(MEM_ANIMATION);
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HTreeClass * newtree = new HTreeClass;
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if (newtree == NULL) {
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goto Error;
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}
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if (newtree->Load_W3D(cload) != HTreeClass::OK) {
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// load failed, delete and return error
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delete newtree;
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goto Error;
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} else if (Get_Tree_ID(newtree->Get_Name()) != -1) {
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// tree with this name already exists, reject it!
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delete newtree;
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goto Error;
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} else {
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// ok, accept this hierarchy tree!
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TreePtr[NumTrees] = newtree;
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NumTrees++;
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// Insert to hash table for fast name based search
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StringClass lower_case_name(newtree->Get_Name(),true);
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_strlwr(lower_case_name.Peek_Buffer());
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TreeHash.Insert(lower_case_name,newtree);
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}
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return 0;
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Error:
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return 1;
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}
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/***********************************************************************************************
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* HTreeManagerClass::Get_Tree_ID -- look up the ID of a named hierarchy tree *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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int HTreeManagerClass::Get_Tree_ID(const char * name)
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{
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for (int i=0; i<NumTrees; i++) {
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if (TreePtr[i] && (stricmp(name,TreePtr[i]->Get_Name()) == 0)) {
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return i;
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}
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}
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return -1;
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}
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/***********************************************************************************************
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* HTreeManagerClass::Get_Tree_Name -- look up the name of a id'd hierarchy tree *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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char *HTreeManagerClass::Get_Tree_Name(const int idx)
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{
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if ((idx < NumTrees) && TreePtr[idx]) {
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if (TreePtr[idx]) {
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return (char *)TreePtr[idx]->Get_Name();
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}
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}
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return NULL;
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}
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/***********************************************************************************************
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* HTreeManagerClass::Get_Tree -- get a pointer to the specified hierarchy tree *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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HTreeClass * HTreeManagerClass::Get_Tree(const char * name)
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{
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StringClass lower_case_name(name,true);
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_strlwr(lower_case_name.Peek_Buffer());
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return TreeHash.Get(lower_case_name);
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// for (int i=0; i<NumTrees; i++) {
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// if (TreePtr[i] && (stricmp(name,TreePtr[i]->Get_Name()) == 0)) {
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//
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// return TreePtr[i];
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// }
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// }
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// return NULL;
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}
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/***********************************************************************************************
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* HTreeManagerClass::Get_Tree -- get a pointer to the specified hierarchy tree *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 08/11/1997 GH : Created. *
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*=============================================================================================*/
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HTreeClass * HTreeManagerClass::Get_Tree(int id)
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{
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if ((id >= 0) && (id < NumTrees)) {
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return TreePtr[id];
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} else {
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return NULL;
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}
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}
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