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| /** |
| * ART files for Imagination Pilots Entertainment 16-bit games (IPE16) |
| * - Blown Away - The Interactive Game by Imagination Pilots (BA) |
| * - Panic in the Park - The Interactive Game by Imagination Pilots (PiP) |
| * - Where's Waldo? At the Circus (Waldo1) |
| * ART file packer and unpacker by Daniel Marschall, ViaThinkSoft (C) 2014-2018 |
| * Revision: 2018-02-15 |
| **/ |
| |
| #ifndef __inc__ipe16_artfile |
| #define __inc__ipe16_artfile |
| |
| #include <stdint.h> |
| |
| #define BA_COMPRESSIONTYPE_LZW 'P' |
| #define BA_COMPRESSIONTYPE_NONE 'p' |
| |
| // PANIC.EXE offset 0x44365: Choice between "Q" and "q" |
| #define PIP_COMPRESSIONTYPE_LZW 'Q' |
| #define PIP_COMPRESSIONTYPE_NONE 'q' |
| |
| #define IPE16_PALETTETYPE_ATTACHED 'X' |
| |
| // Pictures with the type 'C' do not have a palette. |
| // They use the palette of their parent picture where they are embedded in |
| #define IPE16_PALETTETYPE_PARENT 'C' |
| |
| #define IPE16_NAME_SIZE 23 |
| |
| #define IPE16_MAGIC_ART "Art" |
| #define IPE16_MAGIC_DUMMY '?' |
| |
| #pragma pack(push, 1) |
| |
| typedef struct tagIpe16FileHeader { |
| char magic[IPE16_NAME_SIZE]; // always "Art\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" (ignored by the game) |
| char dummy; // always '?' (ignored by the game) |
| uint32_t numHeaderEntries; // number of headers including this file header (number of follow-up Ipe16PictureEntryHeader entries plus one) |
| uint32_t totalFileSize; // total file size including this header (ignored by the game) |
| } Ipe16FileHeader; |
| |
| typedef struct tagIpe16PictureEntryHeader { |
| char name[IPE16_NAME_SIZE]; // zero terminated string. case sensitive |
| char paletteType; // 'X' (0x58) = RGB palette attached |
| // 'C' (0x43) = no palette attached (for embedded picture, use palette of parent picture) |
| uint32_t offset; // offset to the picture (PictureHeader) |
| uint32_t size; // size of the picture (PictureHeader + picture data + optional palette) |
| } Ipe16PictureEntryHeader; |
| |
| typedef struct tagBAPictureHeader { |
| char compressionType; // Compression type of the follow-up data (top down pixel data; the palette won't be compressed) |
| // 'P' (0x50, upper case) = LZW compression, more precisely: |
| // The LZW variant of the GIF specification, |
| // but without splitting the output data into chunks |
| // 'p' (0x70, lower case) = No compression |
| uint16_t width; // width of the picture |
| uint16_t height; // height of the picture |
| } BAPictureHeader; |
| |
| typedef struct tagPipPictureHeader { |
| char compressionType; // Compression type of the follow-up data (top down pixel data; the palette won't be compressed) |
| // 'Q' (0x51, upper case) = LZW compression, more precisely: |
| // The LZW variant of the GIF specification, |
| // but without splitting the output data into chunks |
| // 'q' (0x71, lower case) = No compression |
| uint16_t offsetX; // Additional offsets for 'fine-tuning' |
| uint16_t offsetY; |
| uint16_t width; // width of the picture |
| uint16_t height; // height of the picture |
| } PipPictureHeader; |
| |
| typedef struct tagIpe16ColorTableEntry { |
| uint8_t r; |
| uint8_t g; |
| uint8_t b; |
| } Ipe16ColorTableEntry; |
| |
| typedef struct tagIpe16ColorTable { |
| Ipe16ColorTableEntry colors[256]; |
| } Ipe16ColorTable; |
| |
| #pragma pack(pop) |
| |
| #endif // #ifndef __inc__ipe16_artfile |
| |
| Property changes: |
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