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Use TrigMath in hotspots

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Use our implementation of atan2 in AI routines as profiling shows these are
hotspots and (for these cases) our implementation is much faster.
This commit is contained in:
Travis Watkins
2012-08-15 05:15:36 -05:00
parent 8219081385
commit 7b20caf8fe
3 changed files with 14 additions and 5 deletions
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8
src/main/java/net/minecraft/server/EntitySquid.java
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@@ -1,5 +1,7 @@
package net.minecraft.server;
import org.bukkit.craftbukkit.TrigMath; // CraftBukkit
public class EntitySquid extends EntityWaterAnimal {
public float d = 0.0F;
@@ -104,10 +106,12 @@ public class EntitySquid extends EntityWaterAnimal {
}
f = MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ);
this.aq += (-((float) Math.atan2(this.motX, this.motZ)) * 180.0F / 3.1415927F - this.aq) * 0.1F;
// CraftBukkit - Math -> TrigMath
this.aq += (-((float) TrigMath.atan2(this.motX, this.motZ)) * 180.0F / 3.1415927F - this.aq) * 0.1F;
this.yaw = this.aq;
this.f += 3.1415927F * this.bB * 1.5F;
this.d += (-((float) Math.atan2((double) f, this.motY)) * 180.0F / 3.1415927F - this.d) * 0.1F;
// CraftBukkit - Math -> TrigMath
this.d += (-((float) TrigMath.atan2((double) f, this.motY)) * 180.0F / 3.1415927F - this.d) * 0.1F;
} else {
this.j = MathHelper.abs(MathHelper.sin(this.h)) * 3.1415927F * 0.25F;
if (!this.world.isStatic) {