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1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)nova.c 4.2 (Berkeley) 5/9/83";
3: #endif not lint
4:
5: # include "trek.h"
6:
7: /*
8: ** CAUSE A NOVA TO OCCUR
9: **
10: ** A nova occurs. It is the result of having a star hit with
11: ** a photon torpedo. There are several things which may happen.
12: ** The star may not be affected. It may go nova. It may turn
13: ** into a black hole. Any (yummy) it may go supernova.
14: **
15: ** Stars that go nova cause stars which surround them to undergo
16: ** the same probabilistic process. Klingons next to them are
17: ** destroyed. And if the starship is next to it, it gets zapped.
18: ** If the zap is too much, it gets destroyed.
19: */
20:
21: nova(x, y)
22: int x, y;
23: {
24: register int i, j;
25: register int se;
26:
27: if (Sect[x][y] != STAR || Quad[Ship.quadx][Ship.quady].stars < 0)
28: return;
29: if (ranf(100) < 15)
30: {
31: printf("Spock: Star at %d,%d failed to nova.\n", x, y);
32: return;
33: }
34: if (ranf(100) < 5)
35: return (snova(x, y));
36: printf("Spock: Star at %d,%d gone nova\n", x, y);
37:
38: if (ranf(4) != 0)
39: Sect[x][y] = EMPTY;
40: else
41: {
42: Sect[x][y] = HOLE;
43: Quad[Ship.quadx][Ship.quady].holes += 1;
44: }
45: Quad[Ship.quadx][Ship.quady].stars -= 1;
46: Game.kills += 1;
47: for (i = x - 1; i <= x + 1; i++)
48: {
49: if (i < 0 || i >= NSECTS)
50: continue;
51: for (j = y - 1; j <= y + 1; j++)
52: {
53: if (j < 0 || j >= NSECTS)
54: continue;
55: se = Sect[i][j];
56: switch (se)
57: {
58:
59: case EMPTY:
60: case HOLE:
61: break;
62:
63: case KLINGON:
64: killk(i, j);
65: break;
66:
67: case STAR:
68: nova(i, j);
69: break;
70:
71: case INHABIT:
72: kills(i, j, -1);
73: break;
74:
75: case BASE:
76: killb(i, j);
77: Game.killb += 1;
78: break;
79:
80: case ENTERPRISE:
81: case QUEENE:
82: se = 2000;
83: if (Ship.shldup)
84: if (Ship.shield >= se)
85: {
86: Ship.shield -= se;
87: se = 0;
88: }
89: else
90: {
91: se -= Ship.shield;
92: Ship.shield = 0;
93: }
94: Ship.energy -= se;
95: if (Ship.energy <= 0)
96: lose(L_SUICID);
97: break;
98:
99: default:
100: printf("Unknown object %c at %d,%d destroyed\n",
101: se, i, j);
102: Sect[i][j] = EMPTY;
103: break;
104: }
105: }
106: }
107: return;
108: }
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