fix gravity tree not deactivating

docs/src/progress/renderertodo.md

@@ -1226,6 +1226,8 @@ Add native testing step to jenkins pipeline
 
 (12/03/2024)
 Native code building correctly in jenkins pipeline
+Refactoring native code
+Fix gravity tree not deactivating when body is disabled
 
 
 

src/main/java/electrosphere/entity/state/gravity/ClientGravityTree.java

@@ -3,6 +3,7 @@ package electrosphere.entity.state.gravity;
 
 import org.ode4j.ode.DBody;
 
+import electrosphere.collision.PhysicsEntityUtils;
 import electrosphere.collision.collidable.Collidable;
 import electrosphere.engine.Globals;
 import electrosphere.entity.Entity;
@@ -65,11 +66,6 @@ public class ClientGravityTree implements BehaviorTree {
         state = GravityTreeState.ACTIVE;
     }
     
-    
-    public void interrupt(){
-        state = GravityTreeState.NOT_ACTIVE;
-    }
-    
     public void stop(){
         state = GravityTreeState.NOT_ACTIVE;
     }
@@ -93,7 +89,7 @@ public class ClientGravityTree implements BehaviorTree {
         //state machine
         switch(state){
             case ACTIVE:
-                if(hadGroundCollision()){
+                if(this.hadGroundCollision() || !this.bodyIsActive()){
                     ClientJumpTree jumpTree;
                     if((jumpTree = ClientJumpTree.getClientJumpTree(parent))!=null){
                         jumpTree.land();
@@ -133,6 +129,18 @@ public class ClientGravityTree implements BehaviorTree {
         return rVal;
     }
 
+    /**
+     * Checks if the physics body is active
+     * @return true if it is active (or not present), false otherwise
+     */
+    private boolean bodyIsActive(){
+        if(PhysicsEntityUtils.getDBody(parent) == null){
+            return true;
+        }
+        DBody body = PhysicsEntityUtils.getDBody(parent);
+        return body.isEnabled();
+    }
+    
     public boolean hadEntityCollision(){
         boolean rVal = false;
         for(Impulse impulse : collidable.getImpulses()){

src/main/java/electrosphere/entity/state/gravity/ServerGravityTree.java

@@ -8,6 +8,7 @@ import electrosphere.server.datacell.utils.ServerBehaviorTreeUtils;
 
 import org.ode4j.ode.DBody;
 
+import electrosphere.collision.PhysicsEntityUtils;
 import electrosphere.collision.collidable.Collidable;
 import electrosphere.engine.Globals;
 import electrosphere.entity.Entity;
@@ -67,10 +68,6 @@ public class ServerGravityTree implements BehaviorTree {
         }
     }
     
-    public void interrupt(){
-        setState(GravityTreeState.NOT_ACTIVE);
-    }
-    
     public void stop(){
         setState(GravityTreeState.NOT_ACTIVE);
     }
@@ -97,7 +94,7 @@ public class ServerGravityTree implements BehaviorTree {
         //state machine
         switch(state){
             case ACTIVE:
-                if(hadGroundCollision()){
+                if(this.hadGroundCollision() || !this.bodyIsActive()){
                     setState(GravityTreeState.NOT_ACTIVE);
                     ServerJumpTree jumpTree;
                     if((jumpTree = ServerJumpTree.getServerJumpTree(parent))!=null){
@@ -144,6 +141,18 @@ public class ServerGravityTree implements BehaviorTree {
         return rVal;
     }
 
+    /**
+     * Checks if the physics body is active
+     * @return true if it is active (or not present), false otherwise
+     */
+    private boolean bodyIsActive(){
+        if(PhysicsEntityUtils.getDBody(parent) == null){
+            return true;
+        }
+        DBody body = PhysicsEntityUtils.getDBody(parent);
+        return body.isEnabled();
+    }
+    
     /**
      * Checks if the gravity tree had a collision with an entity
      * @return true if collided on the most recent frame, false otherwise

src/main/java/electrosphere/entity/state/movement/groundmove/ClientGroundMovementTree.java

@@ -408,6 +408,8 @@ public class ClientGroundMovementTree implements BehaviorTree {
                         }
                     }
                     CreatureUtils.setVelocity(parent, velocity);
+                } else {
+                    GravityUtils.clientAttemptActivateGravity(parent);
                 }
                 PhysicsEntityUtils.getDBody(parent).enable();
                 body.setLinearVel(
@@ -418,7 +420,6 @@ public class ClientGroundMovementTree implements BehaviorTree {
                 body.setAngularVel(0, 0, 0);
                 rotation.set(movementQuaternion);
                 
-                GravityUtils.clientAttemptActivateGravity(parent);
             } break;
             case IDLE: {
                 Vector3d playerPos = EntityUtils.getPosition(parent);

src/main/java/electrosphere/entity/state/movement/groundmove/ServerGroundMovementTree.java

@@ -381,6 +381,8 @@ public class ServerGroundMovementTree implements BehaviorTree {
                             poseActor.stopAnimation(animationToPlay);
                         }
                     }
+                } else {
+                    GravityUtils.serverAttemptActivateGravity(parent);
                 }
                 // PhysicsEntityUtils.getDBody(parent).addForce(
                 //     movementVector.x * velocity * Globals.timekeeper.getSimFrameTime(),
@@ -396,8 +398,6 @@ public class ServerGroundMovementTree implements BehaviorTree {
                 body.setAngularVel(0, 0, 0);
 //                position.set(newPosition);
                 
-                GravityUtils.serverAttemptActivateGravity(parent);
-                
                 DataCellSearchUtils.getEntityDataCell(parent).broadcastNetworkMessage(
                     EntityMessage.constructmoveUpdateMessage(
                         parent.getId(),