152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2025 tildearrow and contributors
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "assetDir.h"
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#include "../ta-log.h"
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void moveAsset(std::vector<DivAssetDir>& dir, int before, int after) {
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if (before<0 || after<0) return;
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for (DivAssetDir& i: dir) {
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for (size_t j=0; j<i.entries.size(); j++) {
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// erase matching entry
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if (i.entries[j]==before) {
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i.entries[j]=after;
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} else if (i.entries[j]==after) {
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i.entries[j]=before;
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}
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}
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}
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}
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void removeAsset(std::vector<DivAssetDir>& dir, int entry) {
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if (entry<0) return;
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for (DivAssetDir& i: dir) {
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for (size_t j=0; j<i.entries.size(); j++) {
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// erase matching entry
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if (i.entries[j]==entry) {
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i.entries.erase(i.entries.begin()+j);
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j--;
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} else if (i.entries[j]>entry) {
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i.entries[j]--;
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}
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}
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}
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}
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void checkAssetDir(std::vector<DivAssetDir>& dir, size_t entries) {
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bool* inAssetDir=new bool[entries];
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memset(inAssetDir,0,entries*sizeof(bool));
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for (DivAssetDir& i: dir) {
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for (size_t j=0; j<i.entries.size(); j++) {
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// erase invalid entry
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if (i.entries[j]<0 || i.entries[j]>=(int)entries) {
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i.entries.erase(i.entries.begin()+j);
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j--;
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continue;
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}
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// erase duplicate entry
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if (inAssetDir[i.entries[j]]) {
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i.entries.erase(i.entries.begin()+j);
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j--;
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continue;
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}
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// mark entry as present
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inAssetDir[i.entries[j]]=true;
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}
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}
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// get unsorted directory
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DivAssetDir* unsortedDir=NULL;
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for (DivAssetDir& i: dir) {
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if (i.name.empty()) {
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unsortedDir=&i;
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break;
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}
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}
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// add missing items to unsorted directory
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for (size_t i=0; i<entries; i++) {
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if (!inAssetDir[i]) {
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// create unsorted directory if it doesn't exist
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if (unsortedDir==NULL) {
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dir.push_back(DivAssetDir(""));
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unsortedDir=&(*dir.rbegin());
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}
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unsortedDir->entries.push_back(i);
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}
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}
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delete[] inAssetDir;
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}
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void putAssetDirData(SafeWriter* w, std::vector<DivAssetDir>& dir) {
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size_t blockStartSeek, blockEndSeek;
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w->write("ADIR",4);
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blockStartSeek=w->tell();
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w->writeI(0);
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w->writeI(dir.size());
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for (DivAssetDir& i: dir) {
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w->writeString(i.name,false);
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w->writeS(i.entries.size());
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for (int j: i.entries) {
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w->writeC(j);
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}
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}
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blockEndSeek=w->tell();
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w->seek(blockStartSeek,SEEK_SET);
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w->writeI(blockEndSeek-blockStartSeek-4);
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w->seek(0,SEEK_END);
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}
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DivDataErrors readAssetDirData(SafeReader& reader, std::vector<DivAssetDir>& dir) {
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char magic[4];
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reader.read(magic,4);
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if (memcmp(magic,"ADIR",4)!=0) {
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logV("header is invalid: %c%c%c%c",magic[0],magic[1],magic[2],magic[3]);
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return DIV_DATA_INVALID_HEADER;
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}
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reader.readI(); // reserved
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unsigned int numDirs=reader.readI();
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dir.reserve(numDirs);
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for (unsigned int i=0; i<numDirs; i++) {
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DivAssetDir d;
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d.name=reader.readString();
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unsigned short numEntries=reader.readS();
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d.entries.reserve(numEntries);
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for (unsigned short j=0; j<numEntries; j++) {
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d.entries.push_back(((unsigned char)reader.readC()));
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}
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dir.push_back(d);
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}
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return DIV_DATA_SUCCESS;
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}
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