count		short	2B
name_length	uint	1B
data_offset	uint	4B

如果data_offset=7+(name_length+8)*count ->v1
如果data_offset=7+(name_length+12)*count ->v2

index_offset=7

[ INDEX
name		*string	name_length
{ v1
entryOffset	uint	4B (+data_offset *相对整个文件而言)
entrySize	uint	4B
}
{ v2
entryOffset	long	8B (+data_offset *同上)
entrySize	uint	4B
}
]

[ DATA
]

文件处理
.ogg/.grd/.srp全部去掉