Add MobEffect from mc-dev for diff visibility

src/main/java/net/minecraft/server/MobEffect.java

@@ -0,0 +1,143 @@
+package net.minecraft.server;
+
+public class MobEffect {
+
+    private int effectId;
+    private int duration;
+    private int amplification;
+    private boolean splash;
+    private boolean ambient;
+
+    public MobEffect(int i, int j) {
+        this(i, j, 0);
+    }
+
+    public MobEffect(int i, int j, int k) {
+        this(i, j, k, false);
+    }
+
+    public MobEffect(int i, int j, int k, boolean flag) {
+        this.effectId = i;
+        this.duration = j;
+        this.amplification = k;
+        this.ambient = flag;
+    }
+
+    public MobEffect(MobEffect mobeffect) {
+        this.effectId = mobeffect.effectId;
+        this.duration = mobeffect.duration;
+        this.amplification = mobeffect.amplification;
+    }
+
+    public void a(MobEffect mobeffect) {
+        if (this.effectId != mobeffect.effectId) {
+            System.err.println("This method should only be called for matching effects!");
+        }
+
+        if (mobeffect.amplification > this.amplification) {
+            this.amplification = mobeffect.amplification;
+            this.duration = mobeffect.duration;
+        } else if (mobeffect.amplification == this.amplification && this.duration < mobeffect.duration) {
+            this.duration = mobeffect.duration;
+        } else if (!mobeffect.ambient && this.ambient) {
+            this.ambient = mobeffect.ambient;
+        }
+    }
+
+    public int getEffectId() {
+        return this.effectId;
+    }
+
+    public int getDuration() {
+        return this.duration;
+    }
+
+    public int getAmplifier() {
+        return this.amplification;
+    }
+
+    public boolean isSplash() {
+        return this.splash;
+    }
+
+    public void setSplash(boolean flag) {
+        this.splash = flag;
+    }
+
+    public boolean isAmbient() {
+        return this.ambient;
+    }
+
+    public boolean tick(EntityLiving entityliving) {
+        if (this.duration > 0) {
+            if (MobEffectList.byId[this.effectId].a(this.duration, this.amplification)) {
+                this.b(entityliving);
+            }
+
+            this.h();
+        }
+
+        return this.duration > 0;
+    }
+
+    private int h() {
+        return --this.duration;
+    }
+
+    public void b(EntityLiving entityliving) {
+        if (this.duration > 0) {
+            MobEffectList.byId[this.effectId].tick(entityliving, this.amplification);
+        }
+    }
+
+    public String f() {
+        return MobEffectList.byId[this.effectId].a();
+    }
+
+    public int hashCode() {
+        return this.effectId;
+    }
+
+    public String toString() {
+        String s = "";
+
+        if (this.getAmplifier() > 0) {
+            s = this.f() + " x " + (this.getAmplifier() + 1) + ", Duration: " + this.getDuration();
+        } else {
+            s = this.f() + ", Duration: " + this.getDuration();
+        }
+
+        if (this.splash) {
+            s = s + ", Splash: true";
+        }
+
+        return MobEffectList.byId[this.effectId].i() ? "(" + s + ")" : s;
+    }
+
+    public boolean equals(Object object) {
+        if (!(object instanceof MobEffect)) {
+            return false;
+        } else {
+            MobEffect mobeffect = (MobEffect) object;
+
+            return this.effectId == mobeffect.effectId && this.amplification == mobeffect.amplification && this.duration == mobeffect.duration && this.splash == mobeffect.splash && this.ambient == mobeffect.ambient;
+        }
+    }
+
+    public NBTTagCompound a(NBTTagCompound nbttagcompound) {
+        nbttagcompound.setByte("Id", (byte) this.getEffectId());
+        nbttagcompound.setByte("Amplifier", (byte) this.getAmplifier());
+        nbttagcompound.setInt("Duration", this.getDuration());
+        nbttagcompound.setBoolean("Ambient", this.isAmbient());
+        return nbttagcompound;
+    }
+
+    public static MobEffect b(NBTTagCompound nbttagcompound) {
+        byte b0 = nbttagcompound.getByte("Id");
+        byte b1 = nbttagcompound.getByte("Amplifier");
+        int i = nbttagcompound.getInt("Duration");
+        boolean flag = nbttagcompound.getBoolean("Ambient");
+
+        return new MobEffect(b0, i, b1, flag);
+    }
+}