Merge pull request #111 from wowsims/fix/avoid-dr-nan

Fix/avoid dr nan

Author: 1337LutZ

sim/core/TestProtoVersioning.results

@@ -0,0 +1 @@
+saved_version_number: 1

sim/core/avoid_dr.go

@@ -30,20 +30,29 @@ var AvoidanceDRByClass = map[proto.Class]DiminishingReturnsConstants{
 func (unit *Unit) GetDiminishedDodgeChance() float64 {
 	// undiminished Dodge % = D
 	// diminished Dodge % = (D * Cd)/((k*Cd) + D)
+	if unit.avoidanceParams.c_d == 0 {
+		return 0
+	}
 	dodgePercent := unit.stats[stats.DodgeRating] / DodgeRatingPerDodgePercent
-	return (dodgePercent * unit.avoidanceParams.c_d) / (unit.avoidanceParams.k * unit.avoidanceParams.c_d + dodgePercent) / 100
+	return (dodgePercent * unit.avoidanceParams.c_d) / (unit.avoidanceParams.k*unit.avoidanceParams.c_d + dodgePercent) / 100
 }
 
 func (unit *Unit) GetDiminishedParryChance() float64 {
 	// undiminished Parry % = P
 	// diminished Parry % = (P * Cp)/((k*Cp) + P)
+	if unit.avoidanceParams.c_p == 0 {
+		return 0
+	}
 	parryPercent := unit.stats[stats.ParryRating] / ParryRatingPerParryPercent
-	return (parryPercent * unit.avoidanceParams.c_p) / (unit.avoidanceParams.k * unit.avoidanceParams.c_p + parryPercent) / 100
+	return (parryPercent * unit.avoidanceParams.c_p) / (unit.avoidanceParams.k*unit.avoidanceParams.c_p + parryPercent) / 100
 }
 
 func (unit *Unit) GetDiminishedBlockChance() float64 {
 	// undiminished Block % = B
 	// diminished Block % = (B * Cb)/((k*Cb) + B)
+	if unit.avoidanceParams.c_b == 0 {
+		return 0
+	}
 	blockPercent := unit.stats[stats.BlockPercent]
-	return (blockPercent * unit.avoidanceParams.c_b) / (unit.avoidanceParams.k * unit.avoidanceParams.c_b + blockPercent) / 100
+	return (blockPercent * unit.avoidanceParams.c_b) / (unit.avoidanceParams.k*unit.avoidanceParams.c_b + blockPercent) / 100
 }

sim/monk/brewmaster/TestBrewmaster.results

@@ -32,7 +32,7 @@ character_stats_results: {
   final_stats: 22.54412
   final_stats: 38.74531
   final_stats: 19.035
-  final_stats: 5
+  final_stats: 0
  }
 }
 dps_results: {

sim/monk/windwalker/TestWindwalker.results

@@ -32,7 +32,7 @@ character_stats_results: {
   final_stats: 14.91471
   final_stats: 31.01271
   final_stats: 13.22
-  final_stats: 5
+  final_stats: 0
  }
 }
 dps_results: {