Mercurial > touhou-doc
changeset 11:9f0e37b7eeab
Some fixes in the replay format.
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
---|---|
date | Wed, 24 Aug 2011 15:40:37 +0200 |
parents | d0e992b282a0 |
children | 79dfd9765a67 |
files | 06/t6rp.xhtml |
diffstat | 1 files changed, 11 insertions(+), 11 deletions(-) [+] |
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line diff
--- a/06/t6rp.xhtml +++ b/06/t6rp.xhtml @@ -21,14 +21,14 @@ typedef struct { uint8_t player; // 0 = ReimuA, 1 = ReimuB, 2 = MarisaA, 3 = MarisaB uint8_t rank; // 0 = Easy, 3 = Lunatic, 4 = Extra uint32_t checksum; // (0x3f000318 + key + sum(c for c in decrypted_data)) % (2 ** 32) - uint16_t unknown2; //TODO: seems to be ignored by the game + uint16_t unknown2; //TODO: seems to be ignored by the game. uint8_t key; char crypted_data[]; // crypted(a, i) = (a + key + 7*i) % 256 // decrypted(c, i) = (c - key - 7*i) % 256 } thrpy6_header_t; </pre> - <h2>Decrypting the data section.</h2> + <h2>Decrypting the data section</h2> <p>As stated earlier, the data section is encrypted. Luckily, this encryption is quite simplistic, and encrypting/decrypting it is easy (see this snippet of python3 code):</p> <pre> def decrypt(key, data): @@ -41,14 +41,14 @@ def encrypt(key, data): <h2>Encrypted header</h2> <pre> typedef struct { - uint8_t unknown; //TODO: seems to be ignored by the game + uint8_t unknown; //TODO: seems to be ignored by the game. Padding? char date[9]; // null-terminated string char name[9]; // null-terminated string - uint16_t unknown2; //TODO: seems to be ignored by the game - uint32_t score; //TODO: Total score. seems to be ignored by the game - uint32_t unknown3; //TODO: seems to be ignored by the game + uint16_t unknown2; //TODO: seems to be ignored by the game. Padding? + uint32_t score; //TODO: Total score. seems to be ignored by the game. + uint32_t unknown3; //TODO: seems to be ignored by the game. float slowdown_rate; // As a percentage, not a proper rate - uint8_t unknwon[4]; //TODO: seems to have no effect + uint32_t unknown4; //TODO: seems to be ignored by the game. uint32_t stage1_offset; // Offset of a thrpy6_stage_t from the start of the file (including the unencrypted header) uint32_t stage2_offset; uint32_t stage3_offset; @@ -64,7 +64,7 @@ typedef struct { typedef struct { uint32_t score; uint16_t random_seed; - uint16_t unknown1; //TODO: seems to be ignored by the game + uint16_t unknown1; //TODO: seems to be ignored by the game. uint8_t power; int8_t lives; int8_t bombs; @@ -79,9 +79,9 @@ typedef struct { <h2>Keystates</h2> <pre> struct { - uint32_t time; // Time of the event, most probably exprimed in frames - uint16_t keys; // 1 = shoot, 2 = bomb, 4 = focus, 8 = ?, 16 = up, 32 = down, 64 = left, 128 = right - uint16_t unknown; //TODO: seems to be ignored by the game + uint32_t time; // Time of the event, most probably exprimed in frames. + uint16_t keys; // 1 = shoot, 2 = bomb, 4 = focus, 8 = ?, 16 = up, 32 = down, 64 = left, 128 = right, 256 = skip dialogs + uint16_t unknown; //TODO: seems to be ignored by the game. } thrpy6_keystate_t; </pre> </body>