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generate random numbers as floats

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as they get converted from double before use anyway
This commit is contained in:
Matthias Mailänder
2013-03-01 10:53:41 +01:00
parent 793dfa5748
commit 47075e1cd0
5 changed files with 5 additions and 5 deletions
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2
OpenRA.FileFormats/Thirdparty/Random.cs vendored
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@@ -49,7 +49,7 @@ namespace OpenRA.Thirdparty
public int Next(int low, int high) { return low + Next() % (high - low); } public int Next(int low, int high) { return low + Next() % (high - low); }
public int Next(int high) { return Next() % high; } public int Next(int high) { return Next() % high; }
public double NextDouble() { return Math.Abs(Next() / (double)0x7fffffff); } public float NextFloat() { return Math.Abs(Next() / (float)0x7fffffff); }
void Generate() void Generate()
{ {

2
OpenRA.Game/WorldUtils.cs
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@@ -127,7 +127,7 @@ namespace OpenRA
public static float Gauss1D(this Thirdparty.Random r, int samples) public static float Gauss1D(this Thirdparty.Random r, int samples)
{ {
return Exts.MakeArray(samples, _ => (float)r.NextDouble() * 2 - 1f) return Exts.MakeArray(samples, _ => r.NextFloat() * 2 - 1f)
.Sum() / samples; .Sum() / samples;
} }

2
OpenRA.Mods.RA/AutoTarget.cs
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@@ -107,7 +107,7 @@ namespace OpenRA.Mods.RA
{ {
var info = self.Info.Traits.Get<AttackBaseInfo>(); var info = self.Info.Traits.Get<AttackBaseInfo>();
nextScanTime = (int)(25 * (info.ScanTimeAverage + nextScanTime = (int)(25 * (info.ScanTimeAverage +
(self.World.SharedRandom.NextDouble() * 2 - 1) * info.ScanTimeSpread)); (self.World.SharedRandom.NextFloat() * 2 - 1) * info.ScanTimeSpread));
var inRange = self.World.FindUnitsInCircle(self.CenterLocation, (int)(Game.CellSize * range)); var inRange = self.World.FindUnitsInCircle(self.CenterLocation, (int)(Game.CellSize * range));

2
OpenRA.Mods.RA/CrateDrop.cs
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@@ -78,7 +78,7 @@ namespace OpenRA.Mods.RA
void SpawnCrate(Actor self) void SpawnCrate(Actor self)
{ {
var inWater = self.World.SharedRandom.NextDouble() < Info.WaterChance; var inWater = self.World.SharedRandom.NextFloat() < Info.WaterChance;
var pp = ChooseDropCell(self, inWater, 100); var pp = ChooseDropCell(self, inWater, 100);
if (pp == null) return; if (pp == null) return;

2
OpenRA.Mods.RA/CrateSpawner.cs
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@@ -54,7 +54,7 @@ namespace OpenRA.Mods.RA
void SpawnCrate(Actor self, CrateSpawnerInfo info) void SpawnCrate(Actor self, CrateSpawnerInfo info)
{ {
var threshold = 100; var threshold = 100;
var inWater = self.World.SharedRandom.NextDouble() < info.WaterChance; var inWater = self.World.SharedRandom.NextFloat() < info.WaterChance;
for (var n = 0; n < threshold; n++ ) for (var n = 0; n < threshold; n++ )
{ {