temp controller imp

Movecraft/src/main/java/net/countercraft/movecraft/craft/movement/MovementController.java

@@ -0,0 +1,76 @@
+package net.countercraft.movecraft.craft.movement;
+
+import net.countercraft.movecraft.MovecraftLocation;
+import net.countercraft.movecraft.MovecraftRotation;
+import net.countercraft.movecraft.craft.Craft;
+import net.countercraft.movecraft.craft.datatag.CraftDataTagKey;
+import net.countercraft.movecraft.craft.datatag.CraftDataTagRegistry;
+import net.countercraft.movecraft.processing.MovecraftWorld;
+import org.bukkit.Effect;
+import org.bukkit.NamespacedKey;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.function.Supplier;
+
+public class MovementController {
+    private static final @NotNull MovecraftLocation ZERO = new MovecraftLocation(0,0,0);
+    private static final @NotNull MovementData DEFAULT = new MovementData(ZERO, MovecraftRotation.NONE, null);
+    private final @NotNull CraftDataTagKey<MovementData> _dataTagKey;
+
+    public MovementController(Plugin plugin) {
+        _dataTagKey = CraftDataTagRegistry.INSTANCE.registerTagKey(
+            new NamespacedKey(plugin, "movement"),
+            craft -> DEFAULT);
+    }
+
+    public void move(@NotNull Craft craft, @Nullable MovecraftLocation translation, @Nullable MovecraftRotation rotation, @Nullable MovecraftWorld changeWorld){
+        craft.computeDataTag(_dataTagKey, (data) -> data.merge(new MovementData(
+            translation == null ? ZERO : translation,
+            rotation == null ? MovecraftRotation.NONE : rotation,
+            changeWorld)));
+    }
+
+    private MovementData reset(@NotNull Craft craft){
+        return craft.setDataTag(_dataTagKey, DEFAULT);
+    }
+
+    private class MovementTask implements Supplier<Effect> {
+
+        private final @NotNull Craft craft;
+
+        public MovementTask(@NotNull Craft craft){
+            this.craft = craft;
+        }
+
+        @Override
+        public @Nullable Effect get() {
+            // Reset the current movement tracker
+            var movement = reset(craft);
+
+            return null;
+        }
+    }
+
+    private record MovementData(@NotNull MovecraftLocation translation, @NotNull MovecraftRotation rotation, @Nullable MovecraftWorld world){
+
+        private static MovecraftRotation add(MovecraftRotation a, MovecraftRotation b){
+            if(a == MovecraftRotation.NONE || a==b){
+                return b;
+            }
+            if(b == MovecraftRotation.NONE){
+                return a;
+            }
+
+            return MovecraftRotation.NONE;
+        }
+
+        @Contract("_ -> new")
+        public @NotNull MovementData merge(@NotNull MovementData other){
+            // TODO: Correct this
+            return new MovementData(translation.add(other.translation), add(rotation, other.rotation), this.world == null ? other.world : this.world);
+        }
+    }
+}