Reverse engineering Diablo v1.09b (last patch)

[mewmew]

Here's an explicit question:

Are 0x1D and 0x19 hard-coded values describing the "entry" of the maze-generation? To guarantee that the stairs themselves are in a room with possible exiting cells?

They are indeed hard-coded values.

The actual entrance is added in trigs_init_warps_town:

Code:

warps[0].entrance_x = 25; // ref: 0x4619C1
warps[0].entrance_y = 29;

and for the description text on mouse hover, the mouse X-Y map coordinates are set in trigs_set_stairway_text_town.

Code:

strcpy(description_line, "Down to dungeon");
cursor_x = 25; // ref: 0x462049
cursor_y = 29;

Also, take a look at the global variable warps and the Warp struct.