7b20caf8fe
Use our implementation of atan2 in AI routines as profiling shows these are hotspots and (for these cases) our implementation is much faster.
88 lines
2.3 KiB
Java
88 lines
2.3 KiB
Java
package net.minecraft.server;
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import org.bukkit.craftbukkit.TrigMath; // CraftBukkit
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public class ControllerLook {
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private EntityLiving a;
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private float b;
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private float c;
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private boolean d = false;
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private double e;
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private double f;
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private double g;
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public ControllerLook(EntityLiving entityliving) {
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this.a = entityliving;
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}
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public void a(Entity entity, float f, float f1) {
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this.e = entity.locX;
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if (entity instanceof EntityLiving) {
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this.f = entity.locY + (double) entity.getHeadHeight();
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} else {
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this.f = (entity.boundingBox.b + entity.boundingBox.e) / 2.0D;
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}
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this.g = entity.locZ;
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this.b = f;
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this.c = f1;
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this.d = true;
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}
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public void a(double d0, double d1, double d2, float f, float f1) {
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this.e = d0;
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this.f = d1;
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this.g = d2;
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this.b = f;
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this.c = f1;
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this.d = true;
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}
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public void a() {
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this.a.pitch = 0.0F;
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if (this.d) {
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this.d = false;
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double d0 = this.e - this.a.locX;
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double d1 = this.f - (this.a.locY + (double) this.a.getHeadHeight());
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double d2 = this.g - this.a.locZ;
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double d3 = (double) MathHelper.sqrt(d0 * d0 + d2 * d2);
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// CraftBukkit start - Math -> TrigMath
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float f = (float) (TrigMath.atan2(d2, d0) * 180.0D / 3.1415927410125732D) - 90.0F;
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float f1 = (float) (-(TrigMath.atan2(d1, d3) * 180.0D / 3.1415927410125732D));
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// CraftBukkit end
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this.a.pitch = this.a(this.a.pitch, f1, this.c);
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this.a.as = this.a(this.a.as, f, this.b);
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} else {
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this.a.as = this.a(this.a.as, this.a.aq, 10.0F);
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}
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float f2 = MathHelper.g(this.a.as - this.a.aq);
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if (!this.a.getNavigation().f()) {
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if (f2 < -75.0F) {
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this.a.as = this.a.aq - 75.0F;
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}
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if (f2 > 75.0F) {
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this.a.as = this.a.aq + 75.0F;
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}
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}
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}
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private float a(float f, float f1, float f2) {
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float f3 = MathHelper.g(f1 - f);
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if (f3 > f2) {
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f3 = f2;
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}
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if (f3 < -f2) {
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f3 = -f2;
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}
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return f + f3;
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}
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}
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