mirror of
https://github.com/gwdevhub/gMod.git
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code@koerner-de.net
107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
/*
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This file is part of Universal Modding Engine.
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Universal Modding Engine 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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Universal Modding Engine 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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You should have received a copy of the GNU General Public License
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along with Universal Modding Engine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "uMod_Main.h"
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uMod_FileHandler::uMod_FileHandler(void)
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{
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Message("uMod_FileHandler(void): %lu\n", this);
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Number = 0;
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FieldCounter = 0;
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Files = NULL;
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}
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uMod_FileHandler::~uMod_FileHandler(void)
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{
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Message("~uMod_FileHandler(void): %lu\n", this);
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if (Files!=NULL)
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{
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for (int i=0; i<FieldCounter; i++) if (Files[i] != NULL) delete [] Files[i];
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delete [] Files;
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}
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}
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int uMod_FileHandler::Add(TextureFileStruct* file)
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{
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Message("uMod_FileHandler::Add(%lu): %lu\n", file, this);
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if (gl_ErrorState & uMod_ERROR_FATAL) return (RETURN_FATAL_ERROR);
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if (file->Reference>=0) return (RETURN_UPDATE_ALLREADY_ADDED);
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if (Number/FieldLength==FieldCounter) // get more memory
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{
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TextureFileStruct*** temp = NULL;
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try {temp = new TextureFileStruct**[FieldCounter+10];}
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catch (...)
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{
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gl_ErrorState |= uMod_ERROR_MEMORY | uMod_ERROR_TEXTURE;
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return (RETURN_NO_MEMORY);
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}
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for (int i=0; i<FieldCounter; i++) temp[i] = Files[i]; //copy to new allocated memory
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for (int i=FieldCounter; i<FieldCounter+10; i++) temp[i] = NULL; // initialize unused parts to zero
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FieldCounter += 10;
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if (Files!=NULL) delete [] Files;
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Files = temp;
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}
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if (Number%FieldLength==0) // maybe we need to get more memory
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{
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try {if (Files[Number/FieldLength]==NULL) Files[Number/FieldLength] = new TextureFileStruct*[FieldLength];}
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catch (...)
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{
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Files[Number/FieldLength] = NULL;
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gl_ErrorState |= uMod_ERROR_MEMORY | uMod_ERROR_TEXTURE;
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return (RETURN_NO_MEMORY);
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}
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}
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Files[Number/FieldLength][Number%FieldLength] = file;
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file->Reference = Number++; //set the reference for a fast deleting
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return (RETURN_OK);
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}
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int uMod_FileHandler::Remove(TextureFileStruct* file)
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{
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Message("uMod_FileHandler::Remove(%lu): %lu\n", file, this);
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if (gl_ErrorState & uMod_ERROR_FATAL) return (RETURN_FATAL_ERROR);
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int ref = file->Reference;
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if (ref<0) return (RETURN_OK); // returning if no Reference is set
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file->Reference = -1; //set reference outside of bound
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if (ref<(--Number)) //if reference is unequal to Number-1 we copy the last entry to the index "ref"
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{
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Files[ref/FieldLength][ref%FieldLength] = Files[Number/FieldLength][Number%FieldLength];
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Files[ref/FieldLength][ref%FieldLength]->Reference = ref; //set the new reference entry
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}
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return (RETURN_OK);
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}
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