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banjo_kazooie:sprites [2025/04/12 13:01] snowboundmage2 [Sprite Asset] |
banjo_kazooie:sprites [2025/05/01 12:05] (current) snowboundmage2 removed emojis for easier reading |
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| ---- | ---- | ||
| - | ===== 🢩 Overview ===== | + | ===== Overview ===== |
| This format is used for static or animated sprite graphics in the ROM. Depending on frame count, it can store a simple image or a complex animation. | This format is used for static or animated sprite graphics in the ROM. Depending on frame count, it can store a simple image or a complex animation. | ||
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| ---- | ---- | ||
| - | ===== 📘 Reference Table ===== | + | ===== Reference Table ===== |
| - | ==== 🥇 File Header (offsets 0x00–0x03) ==== | + | ==== File Header (offsets 0x00–0x03) ==== |
| ^ Field ^ Offset ^ Type ^ Description ^ | ^ Field ^ Offset ^ Type ^ Description ^ | ||
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| | Format ID | 0x02 | `uint16_t` | Format identifier | | | Format ID | 0x02 | `uint16_t` | Format identifier | | ||
| - | ==== 🎨 Format ID Mappings ==== | + | ==== Format ID Mappings ==== |
| ^ Format ID ^ Enum ^ Description ^ Bits per Pixel ^ | ^ Format ID ^ Enum ^ Description ^ Bits per Pixel ^ | ||
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| | 0x0020 | I4 | 4-bit intensity | 4 | | | 0x0020 | I4 | 4-bit intensity | 4 | | ||
| | 0x0040 | I8 | 8-bit intensity | 8 | | | 0x0040 | I8 | 8-bit intensity | 8 | | ||
| + | | 0x0100 | IA4 | 4-bit intensity(with alpha) | 4 | | ||
| + | | 0x0200 | IA8 | 8-bit intensity(with alpha) | 8 | | ||
| | 0x0400 | RGBA16 | 16-bit RGBA (5-5-5-1 format) | 16 | | | 0x0400 | RGBA16 | 16-bit RGBA (5-5-5-1 format) | 16 | | ||
| | 0x0800 | RGBA32 | 32-bit RGBA | 32 | | | 0x0800 | RGBA32 | 32-bit RGBA | 32 | | ||
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| ---- | ---- | ||
| - | ===== 🖼 Single Chunk Sprite Layout ===== | + | ===== Single Chunk Sprite Layout ===== |
| Used if `frameCount > 256` (`0x0100`). | Used if `frameCount > 256` (`0x0100`). | ||
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| ---- | ---- | ||
| - | ===== 🎞 Multi-Frame Sprite Layout ===== | + | ===== Multi-Frame Sprite Layout ===== |
| Used if `frameCount ≤ 256` (`0x0100`). | Used if `frameCount ≤ 256` (`0x0100`). | ||
| - | ==== 📂 Frame Table ==== | + | ==== Frame Table ==== |
| * Offset: `0x10` | * Offset: `0x10` | ||
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| * Each entry contains a **relative** 32-bit offset from the start of the frame data block. | * Each entry contains a **relative** 32-bit offset from the start of the frame data block. | ||
| - | ==== 🧱 Frame Data Block ==== | + | ==== Frame Data Block ==== |
| Starts at: `0x10 + (frameCount × 4)` | Starts at: `0x10 + (frameCount × 4)` | ||
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| ---- | ---- | ||
| - | ===== 🧠 Design Rationale ===== | + | ===== Design Rationale ===== |
| === Format ID and Versatility === | === Format ID and Versatility === | ||
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| ---- | ---- | ||
| - | ===== ✅ Validation Checklist ===== | + | ===== Validation Checklist ===== |
| Use the following to verify whether a file matches this format: | Use the following to verify whether a file matches this format: | ||
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| ---- | ---- | ||
| - | ===== 📌 Notes ===== | + | ===== Notes ===== |
| * All integers are stored in **big-endian** format. | * All integers are stored in **big-endian** format. | ||
banjo_kazooie/sprites.1744462893.txt.gz · Last modified: 2025/04/12 13:01 by snowboundmage2