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| − | Below is the full text to '''track.c''' from the [[NetHack 1.4f source code|source code]] of [[NetHack 1.4f]]. To link to a particular line, write [[NetHack 1.4f/track.c#line123|<nowiki>[[NetHack 1.4f/track.c#line123]]</nowiki>]], for example.
| + | The source code file '''track.c''' in [[NetHack 1.4f source code|NetHack 1.4f]] is unchanged from [[NetHack 1.3d/track.c]]. |
| − | | + | [[Category:NetHack 1.4f source code]] |
| − | '''Warning!''' This is the source code from an old release. For the latest release, see [[Source code]]
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| − | | |
| − | {{CWI}}
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| − | <span id="line1">1. /* SCCS Id: @(#)track.c 1.3 87/07/14</span>
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| − | <span id="line2">2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */</span>
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| − | <span id="line3">3. /* track.c - version 1.0.2 */</span>
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| − | <span id="line4">4. </span>
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| − | <span id="line5">5. #include "hack.h"</span>
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| − | <span id="line6">6. </span>
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| − | <span id="line7">7. #define UTSZ 50</span>
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| − | <span id="line8">8. </span>
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| − | <span id="line9">9. coord utrack[UTSZ];</span>
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| − | <span id="line10">10. int utcnt = 0;</span>
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| − | <span id="line11">11. int utpnt = 0;</span>
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| − | <span id="line12">12. </span>
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| − | <span id="line13">13. initrack(){</span>
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| − | <span id="line14">14. utcnt = utpnt = 0;</span>
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| − | <span id="line15">15. }</span>
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| − | <span id="line16">16. </span>
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| − | <span id="line17">17. /* add to track */</span>
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| − | <span id="line18">18. settrack(){</span>
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| − | <span id="line19">19. if(utcnt < UTSZ) utcnt++;</span>
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| − | <span id="line20">20. if(utpnt == UTSZ) utpnt = 0;</span>
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| − | <span id="line21">21. utrack[utpnt].x = u.ux;</span>
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| − | <span id="line22">22. utrack[utpnt].y = u.uy;</span>
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| − | <span id="line23">23. utpnt++;</span>
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| − | <span id="line24">24. }</span>
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| − | <span id="line25">25. </span>
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| − | <span id="line26">26. coord *</span>
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| − | <span id="line27">27. gettrack(x,y) register x,y; {</span>
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| − | <span id="line28">28. register int i,cnt,dist;</span>
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| − | <span id="line29">29. coord tc;</span>
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| − | <span id="line30">30. cnt = utcnt;</span>
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| − | <span id="line31">31. for(i = utpnt-1; cnt--; i--){</span>
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| − | <span id="line32">32. if(i == -1) i = UTSZ-1;</span>
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| − | <span id="line33">33. tc = utrack[i];</span>
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| − | <span id="line34">34. dist = (x-tc.x)*(x-tc.x) + (y-tc.y)*(y-tc.y);</span>
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| − | <span id="line35">35. if(dist < 3)</span>
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| − | <span id="line36">36. return(dist ? &(utrack[i]) : 0);</span>
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| − | <span id="line37">37. }</span>
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| − | <span id="line38">38. return(0);</span>
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| − | <span id="line39">39. }</span>
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| − | [[Category:NetHack 1.4f source code|track.c]] | |
