sprites: address #1210; fix tripod offsets. (#1212)

The sprite is now centered around the main body, rather than having it jump around all over the place while both walking and shooting.

buildcfg.txt

@@ -1878,50 +1878,50 @@ TROOS0	30	31
 TROOT0	31	28
 TROOU0	32	28
 
-CYBRA1    47   103  ; Cyberdemon
-CYBRA2A8  39   103
-CYBRA3A7  42   103
-CYBRA4A6  41   102
-CYBRA5    48   103
-CYBRB1    50   100
-CYBRB2B8  39   96
-CYBRB3B7  54   103
-CYBRB4B6  49   99
-CYBRB5    45   100
-CYBRC1    45   98
-CYBRC2C8  37   103
-CYBRC3C7  37   98
-CYBRC4C6  48   102
-CYBRC5    39   103
-CYBRD1    48   100
-CYBRD2D8  43   101
-CYBRD3D7  49   101
-CYBRD4D6  39   99
-CYBRD5    37   100
-CYBRE1    44   98
-CYBRE2E8  52   101
-CYBRE3E7  46   101
-CYBRE4E6  33   102
-CYBRE5    40   103
-CYBRF1    47   99
-CYBRF2F8  39   99
-CYBRF3F7  43   100
-CYBRF4F6  44   99
-CYBRF5    44   100
-CYBRG1    47   99
-CYBRG2G8  39   99
-CYBRG3G7  43   100
-CYBRG4G6  44   99
-CYBRG5    44   100
-CYBRH0    47   99
-CYBRI0    47   99
-CYBRJ0    44   99
-CYBRK0    52   84
-CYBRL0    55   74
-CYBRM0    56   80
-CYBRN0    56   83
-CYBRO0    56   76
-CYBRP0    56   36
+CYBRA1	47	102  ; Cyberdemon
+CYBRA2A8	46	101
+CYBRA3A7	34	103
+CYBRA4A6	22	101
+CYBRA5	32	105
+CYBRB1	50	100
+CYBRB2B8	46	100
+CYBRB3B7	54	103
+CYBRB4B6	49	99
+CYBRB5	52	103
+CYBRC1	42	98
+CYBRC2C8	30	102
+CYBRC3C7	33	102
+CYBRC4C6	40	102
+CYBRC5	47	102
+CYBRD1	48	96
+CYBRD2D8	36	102
+CYBRD3D7	45	103
+CYBRD4D6	31	99
+CYBRD5	37	100
+CYBRE1	46	98
+CYBRE2E8	37	101
+CYBRE3E7	45	103
+CYBRE4E6	41	101
+CYBRE5	48	103
+CYBRF1	46	96
+CYBRF2F8	35	100
+CYBRF3F7	43	100
+CYBRF4F6	40	99
+CYBRF5	45	101
+CYBRG1	46	96
+CYBRG2G8	34	100
+CYBRG3G7	41	100
+CYBRG4G6	39	99
+CYBRG5	46	101
+CYBRH0	47	99
+CYBRI0	47	99
+CYBRJ0	44	99
+CYBRK0	52	84
+CYBRL0	55	74
+CYBRM0	56	80
+CYBRN0	56	83
+CYBRO0	56	76
+CYBRP0	56	36
 
 HEADA1	31	61			; cacodemon
 HEADA2A8	32	61