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Comparing deliantra/server/common/los.C (file contents):
Revision 1.6 by root, Sat Sep 16 22:24:12 2006 UTC vs.
Revision 1.7 by root, Mon Dec 11 21:32:16 2006 UTC

… …
144 * area. l is the distance from x,y to the line. 144 * area. l is the distance from x,y to the line.
145 * r is more a curiosity - it lets us know what direction (left/right) 145 * r is more a curiosity - it lets us know what direction (left/right)
146 * the line is off 146 * the line is off
147 */ 147 */
148 148
149 d1 = (float) (pow (MAP_CLIENT_X / 2 - dx, 2) + pow (MAP_CLIENT_Y / 2 - dy, 2)); 149 d1 = (float) (pow (MAP_CLIENT_X / 2 - dx, 2.f) + pow (MAP_CLIENT_Y / 2 - dy, 2.f));
150 r = (float) ((dy - y) * (dy - MAP_CLIENT_Y / 2) - (dx - x) * (MAP_CLIENT_X / 2 - dx)) / d1; 150 r = (float) ((dy - y) * (dy - MAP_CLIENT_Y / 2) - (dx - x) * (MAP_CLIENT_X / 2 - dx)) / d1;
151 s = (float) ((dy - y) * (MAP_CLIENT_X / 2 - dx) - (dx - x) * (MAP_CLIENT_Y / 2 - dy)) / d1; 151 s = (float) ((dy - y) * (MAP_CLIENT_X / 2 - dx) - (dx - x) * (MAP_CLIENT_Y / 2 - dy)) / d1;
152 l = FABS (sqrt (d1) * s); 152 l = FABS (sqrt (d1) * s);
153 153
154 if (l <= SPACE_BLOCK) 154 if (l <= SPACE_BLOCK)

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