mirror of
https://github.com/iAmInActions/SpaceCadetPinballPPC.git
synced 2024-11-24 21:20:09 +00:00
135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
#include "pch.h"
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#include "partman.h"
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#include "gdrv.h"
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#include "GroupData.h"
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#include "zdrv.h"
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short partman::_field_size[] =
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{
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2, -1, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0
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};
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DatFile* partman::load_records(LPCSTR lpFileName, bool fullTiltMode)
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{
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datFileHeader header{};
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dat8BitBmpHeader bmpHeader{};
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dat16BitBmpHeader zMapHeader{};
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auto fileHandle = fopen(lpFileName, "rb");
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if (fileHandle == nullptr)
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return nullptr;
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fread(&header, 1, sizeof header, fileHandle);
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if (strcmp("PARTOUT(4.0)RESOURCE", header.FileSignature) != 0)
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{
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fclose(fileHandle);
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return nullptr;
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}
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auto datFile = new DatFile();
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if (!datFile)
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{
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fclose(fileHandle);
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return nullptr;
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}
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datFile->AppName = header.AppName;
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datFile->Description = header.Description;
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if (header.Unknown)
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{
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auto unknownBuf = new char[header.Unknown];
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if (!unknownBuf)
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{
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fclose(fileHandle);
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delete datFile;
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return nullptr;
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}
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fread(unknownBuf, 1, header.Unknown, fileHandle);
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delete[] unknownBuf;
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}
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datFile->Groups.reserve(header.NumberOfGroups);
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bool abort = false;
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for (auto groupIndex = 0; !abort && groupIndex < header.NumberOfGroups; ++groupIndex)
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{
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auto entryCount = LRead<uint8_t>(fileHandle);
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auto groupData = new GroupData(groupIndex);
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groupData->ReserveEntries(entryCount);
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for (auto entryIndex = 0; entryIndex < entryCount; ++entryIndex)
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{
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auto entryData = new EntryData();
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auto entryType = static_cast<FieldTypes>(LRead<uint8_t>(fileHandle));
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entryData->EntryType = entryType;
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int fixedSize = _field_size[static_cast<int>(entryType)];
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size_t fieldSize = fixedSize >= 0 ? fixedSize : LRead<uint32_t>(fileHandle);
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entryData->FieldSize = static_cast<int>(fieldSize);
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if (entryType == FieldTypes::Bitmap8bit)
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{
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fread(&bmpHeader, 1, sizeof(dat8BitBmpHeader), fileHandle);
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assertm(bmpHeader.Size + sizeof(dat8BitBmpHeader) == fieldSize, "partman: Wrong bitmap field size");
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assertm(bmpHeader.Resolution <= 2, "partman: bitmap resolution out of bounds");
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auto bmp = new gdrv_bitmap8(bmpHeader);
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entryData->Buffer = reinterpret_cast<char*>(bmp);
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fread(bmp->IndexedBmpPtr, 1, bmpHeader.Size, fileHandle);
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}
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else if (entryType == FieldTypes::Bitmap16bit)
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{
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/*Full tilt has extra byte(@0:resolution) in zMap*/
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auto zMapResolution = 0u;
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if (fullTiltMode)
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{
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zMapResolution = LRead<uint8_t>(fileHandle);
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fieldSize--;
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assertm(zMapResolution <= 2, "partman: zMap resolution out of bounds");
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}
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fread(&zMapHeader, 1, sizeof(dat16BitBmpHeader), fileHandle);
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auto length = fieldSize - sizeof(dat16BitBmpHeader);
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auto zMap = new zmap_header_type(zMapHeader.Width, zMapHeader.Height, zMapHeader.Stride);
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zMap->Resolution = zMapResolution;
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if (zMapHeader.Stride * zMapHeader.Height * 2u == length)
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{
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fread(zMap->ZPtr1, 1, length, fileHandle);
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}
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else
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{
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// 3DPB .dat has zeroed zMap headers, in groups 497 and 498, skip them.
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fseek(fileHandle, static_cast<int>(length), SEEK_CUR);
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}
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entryData->Buffer = reinterpret_cast<char*>(zMap);
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}
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else
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{
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auto entryBuffer = new char[fieldSize];
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entryData->Buffer = entryBuffer;
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if (!entryBuffer)
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{
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abort = true;
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break;
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}
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fread(entryBuffer, 1, fieldSize, fileHandle);
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}
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groupData->AddEntry(entryData);
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}
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datFile->Groups.push_back(groupData);
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}
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fclose(fileHandle);
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if (datFile->Groups.size() == header.NumberOfGroups)
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{
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datFile->Finalize();
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return datFile;
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}
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delete datFile;
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return nullptr;
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}
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