User:Belal/Memory research

Feburary 17, 2010 - Windows Version 0.28.181.40d17

Addresses

Address	Type	Name	Information
0x014240A4	std::vector()	Notes	holds the notes for the map
0x016385DC	std::vector()	Fort	holds data for the current fort, probably has all the forts created so far in the world

Offsets

Notes

Looks like:

struct Note {
  char symbol;
  int foreground;
  int background;
  string name;
  int x;
  int y;
  int z;
}

Offset (+Hex)	Type	Name	Information
0x0	char	symbol type	ascii char for the symbol to use
0x2	int	foreground color	foreground color for the note
0x4	int	background color	background color for the note
0x8	string	name	text for the note
0x24	int	x
0x26	int	y
0x28	int	z

This is interesting: the ints are two bytes each, yet the string starts at offset 0x8, implying something in it requires four-byte alignment. Moving char symbol to immediately after string name in the structure should immediately save at least two bytes per instance without having to change the types of any of the members.

Forts

Offset (+Hex)	Type	Name	Information
0x38	dword	prefix	the index for the first part of the fort name
0x3C	dword	suffix	the index for the last part of the fort name

These are indexes to the name vectors, in the stock screen both the dwarven name and the generic name are displayed