So PM you and I had this convo on botmans forum:
Quote:
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03/27/03 at 20:06:59 Reply by: PM (pm@racc-ai.com)
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Normal, I'd say. 
The BSP slicer aligns its slices taking the whole map bounding box as a reference. Thus, the center of the bitmap
will always correspond to the center of the map. But not to the center of the world !
Many maps are not centred around (0,0,0) actually.
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03/27/03 at 21:03:35 Reply by: BAStumm (bs@bs-linux.com)
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right so how might I attempt to guess at where the center is or what kind of offset to use or whatever. Must be a way, valve uses
an overlay (bmp file) in game for that one overview spectator mode.
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03/27/03 at 21:47:09 Reply by: PM (pm@racc-ai.com)
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Of course, all you have to do is to substract the coordinates of the center of the map's bounding box to the coordinates of your player.
The map (worldspawn) is model #0 in the BSP data, and entity #0 in the game.
v_relative_coords = v_absolute_coords - (INDEXENT (0)->v.absmin + INDEXENT (0)->v.absmax) / 2;
you get the idea...
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But I am getting -1 for INDEXENT(0)->v.absmin.x and +1 for v.absmax.x and same for the Y versions of these values... Any ideas?