more scripting work

assets/Scripts/engine/entity/entity.ts

@@ -1,10 +0,0 @@
-
-
-/**
- * An entity
- */
-export interface Entity {
-    id: number,
-}
-
-

assets/Scripts/types/host/entity/entity.ts

@@ -0,0 +1,16 @@
+
+
+
+
+/**
+ * An entity
+ */
+export interface Entity {
+
+    /**
+     * Gets the id of the entity
+     * @returns The id
+     */
+    getId: () => number,
+
+}

assets/Scripts/types/host/static-classes.ts

@@ -1,4 +1,6 @@
+import { Entity } from "/Scripts/types/host/entity/entity";
 import { TutorialUtils } from "/Scripts/types/host/renderer/ui/tutorial";
+import { Vector } from "/Scripts/types/spatial";
 
 
 /**
@@ -21,6 +23,11 @@ export interface StaticClasses {
      */
     readonly tutorialUtils?: Class<TutorialUtils>,
 
+    /**
+     * Utilities for performing actions on the server
+     */
+    readonly serverUtils?: Class<ServerUtils>,
+
 
 }
 
@@ -50,3 +57,31 @@ export interface SimulationClass {
     readonly setFramestep: (value: number) => void,
 
 }
+
+/**
+ * Utilities for core functionality on the server
+ */
+export interface ServerUtils {
+
+    /**
+     * Spawns a creature
+     * @param creatureType The type of creature 
+     * @returns The entity created on the server
+     */
+    readonly spawnCreature: (sceneInstanceId: number, creatureType: string, position: Vector) => Entity
+
+    /**
+     * Gets the position of an entity
+     * @param entity The entity
+     * @returns The position
+     */
+    readonly getPosition: (entity: Entity) => Vector
+
+    /**
+     * Sets the position of an entity
+     * @param entity The entity
+     * @param position The position
+     */
+    readonly setPosition: (entity: Entity, position: Vector) => void
+
+}

src/main/java/electrosphere/entity/Entity.java

@@ -2,6 +2,8 @@ package electrosphere.entity;
 
 import java.util.HashMap;
 
+import org.graalvm.polyglot.HostAccess.Export;
+
 
 /**
  * An entity
@@ -29,6 +31,7 @@ public class Entity {
      * Gets the id of this entity
      * @return The id
      */
+    @Export
     public int getId() {
         return id;
     }

src/main/java/electrosphere/entity/ServerEntityUtils.java

@@ -70,12 +70,6 @@ public class ServerEntityUtils {
                 }
             }
         }
-        // //if the server is also a client, update the drawcell manager to know to pull new chunks
-        // if(Globals.RUN_CLIENT){
-        //     Globals.drawCellManager.invalidateAllCells();
-        //     Globals.drawCellManager.setCellX(Globals.clientPlayerData.getWorldPos().x);
-        //     Globals.drawCellManager.setCellY(Globals.clientPlayerData.getWorldPos().z);
-        // }
         //reposition entity
         CollisionObjUtils.serverPositionCharacter(entity, position);
     }

src/main/java/electrosphere/script/ScriptEngine.java

@@ -17,6 +17,7 @@ import electrosphere.engine.Globals;
 import electrosphere.engine.Main;
 import electrosphere.logger.LoggerInterface;
 import electrosphere.menu.tutorial.TutorialMenus;
+import electrosphere.script.translation.JSServerUtils;
 import electrosphere.util.FileUtils;
 import electrosphere.util.math.MathUtils;
 
@@ -85,6 +86,7 @@ public class ScriptEngine {
         {"mathUtils",MathUtils.class},
         {"simulation",Main.class},
         {"tutorialUtils",TutorialMenus.class},
+        {"serverUtils",JSServerUtils.class},
     };
 
     //singletons from the host that are provided to the javascript context

src/main/java/electrosphere/script/translation/JSServerUtils.java

@@ -0,0 +1,42 @@
+package electrosphere.script.translation;
+
+import electrosphere.entity.Entity;
+import electrosphere.entity.EntityUtils;
+import electrosphere.entity.ServerEntityUtils;
+import electrosphere.entity.types.creature.CreatureUtils;
+import electrosphere.script.access.Vector;
+import electrosphere.script.utils.AccessTransforms;
+
+/**
+ * Server utilities provided to the js context
+ */
+public class JSServerUtils {
+    
+    /**
+     * Spawns a creature
+     * @param creatureType The creature
+     */
+    public static void spawnCreature(int sceneInstanceId, String creatureType, Vector position){
+        //TODO: find realm from scene id
+        CreatureUtils.serverSpawnBasicCreature(null, AccessTransforms.getVector(position), creatureType, null);
+    }
+
+    /**
+     * Gets the position of an entity
+     * @param entity The entity
+     * @return The position of the entity
+     */
+    public static Vector getPosition(Entity entity){
+        return AccessTransforms.getVector(EntityUtils.getPosition(entity));
+    }
+
+    /**
+     * Sets the position of an entity
+     * @param entity The entity
+     * @param vector THe new position of the entity
+     */
+    public static void setPosition(Entity entity, Vector vector){
+        ServerEntityUtils.repositionEntity(entity, AccessTransforms.getVector(vector));
+    }
+
+}

src/main/java/electrosphere/script/utils/AccessTransforms.java

@@ -14,5 +14,14 @@ public class AccessTransforms {
     public static electrosphere.script.access.Vector getVector(org.joml.Vector3d source){
         return new electrosphere.script.access.Vector(source.x, source.y, source.z);
     }
+
+    /**
+     * Converts an access vector into a JOML vector
+     * @param source The access vectpr
+     * @return The JOML vector
+     */
+    public static org.joml.Vector3d getVector(electrosphere.script.access.Vector source){
+        return new org.joml.Vector3d(source.x,source.y,source.z);
+    }
     
 }