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Annotation of researchv10no/games/trek/impulse.c, revision 1.1.1.1

1.1       root        1: # include      "trek.h"
                      2: 
                      3: /**
                      4:  **    move under impulse power
                      5:  **/
                      6: 
                      7: float newpos();
                      8: 
                      9: # define ISPEED        0.095
                     10: 
                     11: impulse()
                     12: {
                     13:        int                     course;
                     14:        register int            power;
                     15:        float                   dist, time;
                     16:        register int            percent;
                     17: 
                     18:        if (Status.cond == DOCKED) {
                     19:                printf("Scotty: Sorry captain, but we are still docked\n");
                     20:                return;
                     21:        }
                     22:        if (Damage[IMPULSE]) {
                     23:                printf("Scotty: Our impulse engines are damaged\n");
                     24:                return;
                     25:        }
                     26:        if (getcodi(&course, &dist)==0)
                     27:                return;
                     28:        power = 20 + 100 * dist;
                     29:        percent = 100 * power / Status.energy + 0.5;
                     30:        if (percent >= 85)
                     31:        {
                     32:                printf("Scotty: That would consume %d%% of our remaining energy.\n",
                     33:                        percent);
                     34:                if (!getynpar("Are you sure that is wise"))
                     35:                        return;
                     36:                printf("Aye aye, sir\n");
                     37:        }
                     38:        time = dist / ISPEED;
                     39:        percent = 100 * time / Status.time + 0.5;
                     40:        if (percent >= 85)
                     41:        {
                     42:                printf("Spock: That would take %d%% of our remaining time.\n",
                     43:                        percent);
                     44:                if (!getynpar("Are you sure that is wise"))
                     45:                        return;
                     46:                printf("(He's finally gone mad)\n");
                     47:        }
                     48:        Move.delta = newpos(0, course, time, ISPEED);
                     49:        dist = Move.delta * ISPEED;
                     50:        Status.energy =- 20 + 100 * dist;
                     51: }

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