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Functions | |
| int | GeneticParentsAndChildSelection (int numranks, float *ranks, int *parent1, int *parent2, int *child) |
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Definition at line 90 of file be_ai_gen.c. References botimport, Com_Memcpy(), GeneticSelection(), i, max, and PRT_WARNING. 00091 {
00092 float rankings[256], max;
00093 int i;
00094
00095 if (numranks > 256)
00096 {
00097 botimport.Print(PRT_WARNING, "GeneticParentsAndChildSelection: too many bots\n");
00098 *parent1 = *parent2 = *child = 0;
00099 return qfalse;
00100 } //end if
00101 for (max = 0, i = 0; i < numranks; i++)
00102 {
00103 if (ranks[i] < 0) continue;
00104 max++;
00105 } //end for
00106 if (max < 3)
00107 {
00108 botimport.Print(PRT_WARNING, "GeneticParentsAndChildSelection: too few valid bots\n");
00109 *parent1 = *parent2 = *child = 0;
00110 return qfalse;
00111 } //end if
00112 Com_Memcpy(rankings, ranks, sizeof(float) * numranks);
00113 //select first parent
00114 *parent1 = GeneticSelection(numranks, rankings);
00115 rankings[*parent1] = -1;
00116 //select second parent
00117 *parent2 = GeneticSelection(numranks, rankings);
00118 rankings[*parent2] = -1;
00119 //reverse the rankings
00120 max = 0;
00121 for (i = 0; i < numranks; i++)
00122 {
00123 if (rankings[i] < 0) continue;
00124 if (rankings[i] > max) max = rankings[i];
00125 } //end for
00126 for (i = 0; i < numranks; i++)
00127 {
00128 if (rankings[i] < 0) continue;
00129 rankings[i] = max - rankings[i];
00130 } //end for
00131 //select child
00132 *child = GeneticSelection(numranks, rankings);
00133 return qtrue;
00134 } //end of the function GeneticParentsAndChildSelection
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1.3.9.1