Initial commit (Forge 1291).

patches/net/minecraft/entity/passive/EntitySquid.java.patch

@@ -0,0 +1,39 @@
+--- ../src-base/minecraft/net/minecraft/entity/passive/EntitySquid.java
++++ ../src-work/minecraft/net/minecraft/entity/passive/EntitySquid.java
+@@ -8,6 +8,8 @@
+ import net.minecraft.util.MathHelper;
+ import net.minecraft.world.World;
+ 
++import org.bukkit.craftbukkit.TrigMath; // CraftBukkit
++
+ public class EntitySquid extends EntityWaterMob
+ {
+     public float squidPitch;
+@@ -79,10 +81,12 @@
+         }
+     }
+ 
++    /* CraftBukkit start - Delegate to Entity to use existing inWater value
+     public boolean isInWater()
+     {
+         return this.worldObj.handleMaterialAcceleration(this.boundingBox.expand(0.0D, -0.6000000238418579D, 0.0D), Material.water, this);
+     }
++    // CraftBukkit end */
+ 
+     public void onLivingUpdate()
+     {
+@@ -137,10 +141,12 @@
+             }
+ 
+             f = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
+-            this.renderYawOffset += (-((float)Math.atan2(this.motionX, this.motionZ)) * 180.0F / (float)Math.PI - this.renderYawOffset) * 0.1F;
++            // CraftBukkit - Math -> TrigMath
++            this.renderYawOffset += (-((float) TrigMath.atan2(this.motionX, this.motionZ)) * 180.0F / (float)Math.PI - this.renderYawOffset) * 0.1F;
+             this.rotationYaw = this.renderYawOffset;
+             this.squidYaw += (float)Math.PI * this.field_70871_bB * 1.5F;
+-            this.squidPitch += (-((float)Math.atan2((double)f, this.motionY)) * 180.0F / (float)Math.PI - this.squidPitch) * 0.1F;
++            // CraftBukkit - Math -> TrigMath
++            this.squidPitch += (-((float) TrigMath.atan2((double) f, this.motionY)) * 180.0F / (float)Math.PI - this.squidPitch) * 0.1F;
+         }
+         else
+         {