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src/main/java/com/vixis/advancement/VixisAdvancements.java

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+package com.vixis.advancement;
+
+import com.vixis.Vixis;
+import net.minecraft.advancements.Advancement;
+import net.minecraft.advancements.AdvancementProgress;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.util.ResourceLocation;
+
+public final class VixisAdvancements {
+	public static final ResourceLocation KISS_A_FOX = new ResourceLocation(Vixis.MODID, "kiss_a_fox");
+
+	private VixisAdvancements() {
+	}
+
+	public static void grant(EntityPlayerMP player, ResourceLocation id) {
+		Advancement advancement = player.getServerWorld().getAdvancementManager().getAdvancement(id);
+		if (advancement == null) {
+			return;
+		}
+
+		AdvancementProgress progress = player.getAdvancements().getProgress(advancement);
+		if (progress.isDone()) {
+			return;
+		}
+
+		for (String criterion : progress.getRemaningCriteria()) {
+			player.getAdvancements().grantCriterion(advancement, criterion);
+		}
+	}
+}