From 78e6b4a904d8751c18af29e1a5ef496cc5f338fb Mon Sep 17 00:00:00 2001 From: Thilo Schulz Date: Wed, 25 Oct 2006 21:20:55 +0000 Subject: [PATCH] Fix weight interpolation thanks to cyrri --- code/botlib/be_ai_weight.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/code/botlib/be_ai_weight.c b/code/botlib/be_ai_weight.c index b5329db1..8d48ee62 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