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-rw-r--r--code/botlib/be_ai_weight.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/code/botlib/be_ai_weight.c b/code/botlib/be_ai_weight.c
index b5329db..8d48ee6 100644
--- a/code/botlib/be_ai_weight.c
+++ b/code/botlib/be_ai_weight.c
@@ -593,9 +593,12 @@ float FuzzyWeight_r(int *inventory, fuzzyseperator_t *fs)
if (fs->next->child) w2 = FuzzyWeight_r(inventory, fs->next->child);
else w2 = fs->next->weight;
//the scale factor
- scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value);
+ if(fs->next->value == MAX_INVENTORYVALUE) // is fs->next the default case?
+ return w2; // can't interpolate, return default weight
+ else
+ scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value);
//scale between the two weights
- return scale * w1 + (1 - scale) * w2;
+ return (1 - scale) * w1 + scale * w2;
} //end if
return FuzzyWeight_r(inventory, fs->next);
} //end else if
@@ -627,9 +630,12 @@ float FuzzyWeightUndecided_r(int *inventory, fuzzyseperator_t *fs)
if (fs->next->child) w2 = FuzzyWeight_r(inventory, fs->next->child);
else w2 = fs->next->minweight + random() * (fs->next->maxweight - fs->next->minweight);
//the scale factor
- scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value);
+ if(fs->next->value == MAX_INVENTORYVALUE) // is fs->next the default case?
+ return w2; // can't interpolate, return default weight
+ else
+ scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value);
//scale between the two weights
- return scale * w1 + (1 - scale) * w2;
+ return (1 - scale) * w1 + scale * w2;
} //end if
return FuzzyWeightUndecided_r(inventory, fs->next);
} //end else if