small movement work

assets/Data/creatures/human.json

@@ -129,6 +129,8 @@
                     "type" : "GROUND",
                     "acceleration" : 5000.0,
                     "maxVelocity" : 500.5,
+                    "strafeMultiplier" : 0.7,
+                    "backpedalMultiplier" : 0.5,
                     "animationStartup" : {
                         "nameThirdPerson" : "Jog",
                         "priorityCategory"  : "CORE_MOVEMENT"

docs/src/progress/renderertodo.md

@@ -503,6 +503,11 @@ State transition utils interrupt support
 Block animation cancels immediately on first person model
 Bone-attachment fix
 Fix data for viewmodel hand.r equip point
+Support audio on state transition
+Audio on block state transitions
+
+(08/04/2024)
+Strafe/backpedal movement speed multipliers
 
 # TODO
 

src/main/java/electrosphere/engine/Globals.java

@@ -135,7 +135,7 @@ public class Globals {
     public static boolean RUN_DEMO = false;
     public static boolean RUN_CLIENT = true;
     public static boolean RUN_HIDDEN = false; //glfw session will be created with hidden window
-    public static boolean RUN_AUDIO = true;
+    public static boolean RUN_AUDIO = false;
     public static int clientCharacterID;
     
     //

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

@@ -20,7 +20,6 @@ import electrosphere.entity.state.attack.ClientAttackTree.AttackTreeState;
 import electrosphere.entity.state.client.firstPerson.FirstPersonTree;
 import electrosphere.entity.state.movement.FallTree;
 import electrosphere.entity.state.movement.SprintTree;
-import electrosphere.entity.state.movement.SprintTree.SprintTreeState;
 import electrosphere.entity.state.movement.jump.ClientJumpTree;
 import electrosphere.net.parser.net.message.EntityMessage;
 import electrosphere.net.synchronization.annotation.SyncedField;
@@ -93,7 +92,7 @@ public class ClientGroundMovementTree implements BehaviorTree {
     GroundMovementSystem groundMovementData;
     
     Entity parent;
-    
+
     Collidable collidable;
     
     CopyOnWriteArrayList<EntityMessage> networkMessageQueue = new CopyOnWriteArrayList<EntityMessage>();
@@ -112,6 +111,9 @@ public class ClientGroundMovementTree implements BehaviorTree {
      */
     private ClientGroundMovementTree(Entity e, Object ... params){
         //Collidable collidable, GroundMovementSystem groundMovementData
+        if(params.length < 2){
+            throw new IllegalArgumentException("Tried to create a client ground movement tree without providing both mandatory parameters");
+        }
         state = MovementTreeState.IDLE;
         parent = e;
         this.collidable = (Collidable)params[0];
@@ -188,9 +190,8 @@ public class ClientGroundMovementTree implements BehaviorTree {
     public void simulate(float deltaTime){
         float velocity = CreatureUtils.getVelocity(parent);
         float acceleration = CreatureUtils.getAcceleration(parent);
-        float maxNaturalVelocity = sprintTree != null && sprintTree.getState() == SprintTreeState.SPRINTING ? sprintTree.getMaxVelocity() : CreatureUtils.getMaxNaturalVelocity(parent);
+        float maxNaturalVelocity = ServerGroundMovementTree.getMaximumVelocity(parent, this.groundMovementData, facing);
         Actor entityActor = EntityUtils.getActor(parent);
-//        Model entityModel = Globals.assetManager.fetchModel(EntityUtils.getEntityModelPath(parent));
         Vector3d position = EntityUtils.getPosition(parent);
         Vector3d facingVector = CreatureUtils.getFacingVector(parent);
         DBody body = PhysicsEntityUtils.getDBody(parent);

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

@@ -14,6 +14,7 @@ import electrosphere.collision.collidable.Collidable;
 import electrosphere.engine.Globals;
 import electrosphere.entity.types.camera.CameraEntityUtils;
 import electrosphere.entity.types.creature.CreatureUtils;
+import electrosphere.game.data.creature.type.movement.GroundMovementSystem;
 import electrosphere.entity.Entity;
 import electrosphere.entity.EntityDataStrings;
 import electrosphere.entity.EntityUtils;
@@ -23,7 +24,6 @@ import electrosphere.entity.state.attack.ClientAttackTree.AttackTreeState;
 import electrosphere.entity.state.attack.ServerAttackTree;
 import electrosphere.entity.state.movement.ServerFallTree;
 import electrosphere.entity.state.movement.ServerSprintTree;
-import electrosphere.entity.state.movement.ServerSprintTree.SprintTreeState;
 import electrosphere.entity.state.movement.groundmove.ClientGroundMovementTree.MovementRelativeFacing;
 import electrosphere.entity.state.movement.groundmove.ClientGroundMovementTree.MovementTreeState;
 import electrosphere.entity.state.movement.jump.ServerJumpTree;
@@ -62,6 +62,9 @@ public class ServerGroundMovementTree implements BehaviorTree {
     MovementTreeState state;
     @SyncedField
     MovementRelativeFacing facing;
+
+    //The data for the movement system
+    GroundMovementSystem groundMovementSystem;
     
     ServerSprintTree sprintTree;
     ServerJumpTree jumpTree;
@@ -80,11 +83,12 @@ public class ServerGroundMovementTree implements BehaviorTree {
     
     
     private ServerGroundMovementTree(Entity e, Object ... params){
-        //Collidable collidable
+        //Collidable collidable, GroundMovementSystem system
         state = MovementTreeState.IDLE;
         facing = MovementRelativeFacing.FORWARD;
         parent = e;
         this.collidable = (Collidable)params[0];
+        this.groundMovementSystem = (GroundMovementSystem)params[1];
     }
     
     public MovementTreeState getState(){
@@ -165,7 +169,7 @@ public class ServerGroundMovementTree implements BehaviorTree {
         if(CreatureUtils.hasVelocity(parent)){
             velocity = CreatureUtils.getVelocity(parent);
             acceleration = CreatureUtils.getAcceleration(parent);
-            maxNaturalVelocity = sprintTree != null && sprintTree.getState() == SprintTreeState.SPRINTING ? sprintTree.getMaxVelocity() : CreatureUtils.getMaxNaturalVelocity(parent);
+            maxNaturalVelocity = ServerGroundMovementTree.getMaximumVelocity(parent, this.groundMovementSystem, facing);
         }
         if(ServerPlayerViewDirTree.hasTree(parent)){
             ServerPlayerViewDirTree serverViewTree =ServerPlayerViewDirTree.getTree(parent);
@@ -471,6 +475,37 @@ public class ServerGroundMovementTree implements BehaviorTree {
         this.fallTree = fallTree;
     }
 
+    /**
+     * Gets the maximum velocity of an entity
+     * @param entity
+     * @param groundMovementSystem
+     * @return
+     */
+    public static float getMaximumVelocity(Entity entity, GroundMovementSystem groundMovementSystem, MovementRelativeFacing facing){
+        float maxVelocity = groundMovementSystem.getMaxVelocity();
+        switch(facing){
+            case FORWARD: {
+                return maxVelocity;
+            }
+            case BACKWARD_LEFT:
+            case BACKWARD_RIGHT:
+            case BACKWARD: {
+                if(groundMovementSystem.getBackpedalMultiplier() != null){
+                    return maxVelocity * groundMovementSystem.getBackpedalMultiplier();
+                }
+            } break;
+            case LEFT:
+            case RIGHT:
+            case FORWARD_LEFT:
+            case FORWARD_RIGHT: {
+                if(groundMovementSystem.getStrafeMultiplier() != null){
+                    return maxVelocity * groundMovementSystem.getStrafeMultiplier();
+                }
+            } break;
+        }
+        return maxVelocity;
+    }
+
     /**
      * <p> Automatically generated </p>
      * <p>

src/main/java/electrosphere/entity/types/creature/CreatureUtils.java

@@ -399,7 +399,7 @@ public class CreatureUtils {
                 // Generic ground
                 case GroundMovementSystem.GROUND_MOVEMENT_SYSTEM:
                     GroundMovementSystem groundMovementSystem = (GroundMovementSystem)movementSystem;
-                    ServerGroundMovementTree moveTree = ServerGroundMovementTree.attachTree(rVal,CollisionObjUtils.getCollidable(rVal));
+                    ServerGroundMovementTree moveTree = ServerGroundMovementTree.attachTree(rVal,CollisionObjUtils.getCollidable(rVal),groundMovementSystem);
                     if(groundMovementSystem.getAnimationStartup() != null){
                         moveTree.setAnimationStartUp(groundMovementSystem.getAnimationStartup().getNameThirdPerson());
                     }

src/main/java/electrosphere/game/data/creature/type/movement/GroundMovementSystem.java

@@ -18,6 +18,12 @@ public class GroundMovementSystem implements MovementSystem {
     float acceleration;
     float maxVelocity;
 
+    //The multiplier for movement speed when strafing
+    Float strafeMultiplier;
+
+    //The multiplier for movement speed when backpedaling
+    Float backpedalMultiplier;
+
     //startup data
     TreeDataAnimation animationStartup;
 
@@ -79,6 +85,22 @@ public class GroundMovementSystem implements MovementSystem {
         return sprintSystem;
     }
 
+    /**
+     * Gets the multiplier applied to the movement speed while the creature is strafing
+     * @return The multiplier
+     */
+    public Float getStrafeMultiplier(){
+        return this.strafeMultiplier;
+    }
+
+    /**
+     * Gets the multiplier applied to the movement speed while the creature is backpedaling
+     * @return The multiplier
+     */
+    public Float getBackpedalMultiplier(){
+        return this.backpedalMultiplier;
+    }
+
     @Override
     public String getType() {
         return type;