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#include <ctype.h> |
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#ifndef VIEWHISTLEN |
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< |
#define VIEWHISTLEN 2 /* number of remembered views */ |
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> |
#define VIEWHISTLEN 4 /* number of remembered views */ |
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#endif |
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
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char *err; |
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/* restore previous view? */ |
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if (v == NULL) { |
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if (nhist < 2) { |
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error(COMMAND, "no previous view"); |
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< |
return; |
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} |
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nhist--; /* get one before last setting */ |
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> |
if (nhist > 1) /* get one before last setting */ |
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> |
nhist--; |
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> |
else /* else go to end of list */ |
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> |
while (nhist < VIEWHISTLEN && viewhist[nhist].type) |
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nhist++; |
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v = viewhist + ((nhist-1)%VIEWHISTLEN); |
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< |
} else if ((err = setview(v)) != NULL) { |
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> |
} else |
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> |
again: |
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if ((err = setview(v)) != NULL) { |
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error(COMMAND, err); |
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return; |
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} |
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again: |
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if (v->type == VT_PAR) { |
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error(COMMAND, "cannot handle parallel views"); |
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return; |
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case DS_STARTIMM: |
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case DS_ENDIMM: |
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imm_mode = msg.type==DS_STARTIMM; |
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if (msg.type == DS_ENDIMM) |
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dev_flush(); /* update display NOW */ |
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/* fall through */ |
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case DS_ACKNOW: |
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case DS_SHUTDOWN: |