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590 lines
29 KiB
Java
590 lines
29 KiB
Java
package electrosphere.collision;
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import java.util.LinkedList;
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import java.util.List;
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import org.joml.Matrix4d;
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import org.joml.Quaterniond;
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import org.joml.Vector3d;
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import org.ode4j.ode.DBody;
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import org.ode4j.ode.DGeom;
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import electrosphere.collision.collidable.Collidable;
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import electrosphere.engine.Globals;
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import electrosphere.entity.Entity;
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import electrosphere.entity.EntityDataStrings;
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import electrosphere.entity.EntityTags;
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import electrosphere.entity.EntityUtils;
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import electrosphere.entity.ServerEntityUtils;
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import electrosphere.entity.state.collidable.ClientCollidableTree;
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import electrosphere.entity.state.collidable.ServerCollidableTree;
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import electrosphere.entity.state.physicssync.ClientPhysicsSyncTree;
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import electrosphere.entity.state.physicssync.ServerPhysicsSyncTree;
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import electrosphere.entity.types.terrain.TerrainChunkData;
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import electrosphere.game.data.collidable.CollidableTemplate;
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import electrosphere.server.datacell.Realm;
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import electrosphere.server.datacell.utils.ServerEntityTagUtils;
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/**
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* Utilities for performing physics-related operations on entities (particularly attaching physics to them in the first place)
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*/
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public class PhysicsEntityUtils {
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/**
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* The linear velocity threshold to disable under
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*/
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static final double LINEAR_THRESHOLD = 0.1;
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/**
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* The angular velocity threshold to disable under
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*/
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static final double ANGULAR_THRESHOLD = 0.1;
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/**
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* The number of steps below threshold to disable after
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*/
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static final int STEP_THRESHOLD = 4;
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/**
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* [CLIENT ONLY] Attaches a collidable template to a given entity
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* @param rVal The entity
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* @param physicsTemplate The collidable template
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*/
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public static void clientAttachCollidableTemplate(Entity rVal, CollidableTemplate physicsTemplate){
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DBody rigidBody = null;
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Collidable collidable;
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double mass = 1.0f;
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if(physicsTemplate.getMass() != null){
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mass = physicsTemplate.getMass();
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}
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switch(physicsTemplate.getType()){
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case "CYLINDER": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCylinderBody(
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Globals.clientSceneWrapper.getCollisionEngine(),
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setCylinderMass(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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mass,
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(Globals.clientSceneWrapper.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from center of entity position
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CollisionBodyCreation.setOffsetPosition(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
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);
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//
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//create collidable and link to structures
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collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
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if(physicsTemplate.getLinearFriction() != null){
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collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
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}
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if(physicsTemplate.getRollingFriction() != null){
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collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
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}
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ClientCollidableTree tree = new ClientCollidableTree(rVal,collidable,rigidBody);
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PhysicsEntityUtils.setDBody(rVal,rigidBody);
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//
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//store values
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Matrix4d offsetTransform = new Matrix4d().translationRotate(
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physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
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physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW() //rotate
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);
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if(physicsTemplate.isAngularlyStatic()){
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Globals.clientSceneWrapper.getCollisionEngine().setAngularlyStatic(rigidBody, true);
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}
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if(physicsTemplate.getKinematic()){
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Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
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}
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rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
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rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
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rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
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rVal.putData(EntityDataStrings.CLIENT_COLLIDABLE_TREE, tree);
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rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
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Globals.clientSceneWrapper.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
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Globals.clientScene.registerEntityToTag(rVal, EntityTags.COLLIDABLE);
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} break;
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case "CUBE": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCubeBody(
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Globals.clientSceneWrapper.getCollisionEngine(),
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new Vector3d(physicsTemplate.getDimension1(),physicsTemplate.getDimension2(),physicsTemplate.getDimension3()),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setBoxMass(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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mass,
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new Vector3d(physicsTemplate.getDimension1(),physicsTemplate.getDimension2(),physicsTemplate.getDimension3()),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(Globals.clientSceneWrapper.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from center of entity position
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CollisionBodyCreation.setOffsetPosition(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
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);
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//
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//create collidable and link to structures
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collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
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if(physicsTemplate.getLinearFriction() != null){
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collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
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}
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if(physicsTemplate.getRollingFriction() != null){
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collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
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}
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ClientCollidableTree tree = new ClientCollidableTree(rVal,collidable,rigidBody);
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PhysicsEntityUtils.setDBody(rVal,rigidBody);
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//
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//store values
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Matrix4d offsetTransform = new Matrix4d().translationRotateScale(
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physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
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physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW(), //rotate
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1, 1, 1 //scale
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);
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if(physicsTemplate.isAngularlyStatic()){
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Globals.clientSceneWrapper.getCollisionEngine().setAngularlyStatic(rigidBody, true);
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}
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if(physicsTemplate.getKinematic()){
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Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
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}
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rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
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rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
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rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
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rVal.putData(EntityDataStrings.CLIENT_COLLIDABLE_TREE, tree);
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rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
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Globals.clientSceneWrapper.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
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Globals.clientScene.registerEntityToTag(rVal, EntityTags.COLLIDABLE);
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} break;
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case "CAPSULE": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCapsuleBody(
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Globals.clientSceneWrapper.getCollisionEngine(),
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physicsTemplate.getDimension2(),
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physicsTemplate.getDimension2() - physicsTemplate.getDimension1() - physicsTemplate.getDimension1(),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setCapsuleMass(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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mass,
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(Globals.clientSceneWrapper.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from center of entity position
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CollisionBodyCreation.setOffsetPosition(
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Globals.clientSceneWrapper.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
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);
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//
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//create collidable and link to structures
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collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
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if(physicsTemplate.getLinearFriction() != null){
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collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
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}
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if(physicsTemplate.getRollingFriction() != null){
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collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
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}
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ClientCollidableTree tree = new ClientCollidableTree(rVal,collidable,rigidBody);
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PhysicsEntityUtils.setDBody(rVal,rigidBody);
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//
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//store values
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Matrix4d offsetTransform = new Matrix4d().translationRotateScale(
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physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
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physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW(), //rotate
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1, 1, 1 //scale
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);
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if(physicsTemplate.isAngularlyStatic()){
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Globals.clientSceneWrapper.getCollisionEngine().setAngularlyStatic(rigidBody, true);
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}
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if(physicsTemplate.getKinematic()){
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Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
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}
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rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
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rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
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rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
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rVal.putData(EntityDataStrings.CLIENT_COLLIDABLE_TREE, tree);
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rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
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Globals.clientSceneWrapper.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
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Globals.clientScene.registerEntityToTag(rVal, EntityTags.COLLIDABLE);
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} break;
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}
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//if we successfully attached the body, add a sync tree
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if(rigidBody != null){
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ClientPhysicsSyncTree.attachTree(rVal);
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}
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}
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/**
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* [SERVER ONLY] Attaches a collidable template to a given entity
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* @param realm The realm the entity is inside of
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* @param rVal The entity
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* @param physicsTemplate The collidable template
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*/
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public static void serverAttachCollidableTemplate(Realm realm, Entity rVal, CollidableTemplate physicsTemplate){
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DBody rigidBody = null;
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Collidable collidable;
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double mass = 1.0f;
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if(physicsTemplate.getMass() != null){
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mass = physicsTemplate.getMass();
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}
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switch(physicsTemplate.getType()){
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case "CYLINDER": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCylinderBody(
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realm.getCollisionEngine(),
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setCylinderMass(
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realm.getCollisionEngine(),
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rigidBody,
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mass,
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(realm.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from entity center
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CollisionBodyCreation.setOffsetPosition(
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realm.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
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);
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//
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//create collidable and attach tracking
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collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
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if(physicsTemplate.getLinearFriction() != null){
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collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
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}
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if(physicsTemplate.getRollingFriction() != null){
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collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
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}
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ServerCollidableTree tree = new ServerCollidableTree(rVal,collidable,rigidBody);
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PhysicsEntityUtils.setDBody(rVal,rigidBody);
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//
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//store data
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Matrix4d offsetTransform = new Matrix4d().translationRotateScale(
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physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
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physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW(), //rotate
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1, 1, 1 //scale
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);
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if(physicsTemplate.isAngularlyStatic()){
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realm.getCollisionEngine().setAngularlyStatic(rigidBody, true);
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}
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if(physicsTemplate.getKinematic()){
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Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
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}
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rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
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rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
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rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
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rVal.putData(EntityDataStrings.SERVER_COLLIDABLE_TREE, tree);
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rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
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realm.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
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ServerEntityTagUtils.attachTagToEntity(rVal, EntityTags.COLLIDABLE);
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} break;
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case "CUBE": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCubeBody(
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realm.getCollisionEngine(),
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new Vector3d(physicsTemplate.getDimension1(),physicsTemplate.getDimension2(),physicsTemplate.getDimension3()),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setBoxMass(
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realm.getCollisionEngine(),
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rigidBody,
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mass,
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new Vector3d(physicsTemplate.getDimension1(),physicsTemplate.getDimension2(),physicsTemplate.getDimension3()),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(realm.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from entity center
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CollisionBodyCreation.setOffsetPosition(
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realm.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
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);
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//
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//create collidable and attach tracking
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collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
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if(physicsTemplate.getLinearFriction() != null){
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collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
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}
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if(physicsTemplate.getRollingFriction() != null){
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collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
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}
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ServerCollidableTree tree = new ServerCollidableTree(rVal,collidable,rigidBody);
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PhysicsEntityUtils.setDBody(rVal,rigidBody);
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//
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//store data
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Matrix4d offsetTransform = new Matrix4d().translationRotateScale(
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physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
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physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW(), //rotate
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1, 1, 1 //scale
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);
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if(physicsTemplate.isAngularlyStatic()){
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realm.getCollisionEngine().setAngularlyStatic(rigidBody, true);
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}
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if(physicsTemplate.getKinematic()){
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Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
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}
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rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
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rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
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rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
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rVal.putData(EntityDataStrings.SERVER_COLLIDABLE_TREE, tree);
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rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
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realm.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
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ServerEntityTagUtils.attachTagToEntity(rVal, EntityTags.COLLIDABLE);
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} break;
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case "CAPSULE": {
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//
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//create dbody
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rigidBody = CollisionBodyCreation.createCapsuleBody(
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realm.getCollisionEngine(),
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physicsTemplate.getDimension2(),
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physicsTemplate.getDimension2() - physicsTemplate.getDimension1() - physicsTemplate.getDimension1(),
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Collidable.TYPE_CREATURE_BIT
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);
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if(physicsTemplate.getMass() != null){
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CollisionBodyCreation.setCapsuleMass(
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realm.getCollisionEngine(),
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rigidBody,
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mass,
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physicsTemplate.getDimension1(),
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physicsTemplate.getDimension2(),
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ()),
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new Quaterniond(physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW())
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);
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}
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CollisionBodyCreation.setAutoDisable(realm.getCollisionEngine(), rigidBody, true, LINEAR_THRESHOLD, ANGULAR_THRESHOLD, STEP_THRESHOLD);
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//
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//set offset from entity center
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CollisionBodyCreation.setOffsetPosition(
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realm.getCollisionEngine(),
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rigidBody,
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new Vector3d(physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ())
|
|
);
|
|
|
|
//
|
|
//create collidable and attach tracking
|
|
collidable = new Collidable(rVal, Collidable.TYPE_CREATURE, true);
|
|
if(physicsTemplate.getLinearFriction() != null){
|
|
collidable.getSurfaceParams().setLinearFriction(physicsTemplate.getLinearFriction());
|
|
}
|
|
if(physicsTemplate.getRollingFriction() != null){
|
|
collidable.getSurfaceParams().setRollingFriction(physicsTemplate.getRollingFriction());
|
|
}
|
|
ServerCollidableTree tree = new ServerCollidableTree(rVal,collidable,rigidBody);
|
|
PhysicsEntityUtils.setDBody(rVal,rigidBody);
|
|
|
|
//
|
|
//store data
|
|
Matrix4d offsetTransform = new Matrix4d().translationRotateScale(
|
|
physicsTemplate.getOffsetX(), physicsTemplate.getOffsetY(), physicsTemplate.getOffsetZ(), //translate
|
|
physicsTemplate.getRotX(), physicsTemplate.getRotY(), physicsTemplate.getRotZ(), physicsTemplate.getRotW(), //rotate
|
|
1, 1, 1 //scale
|
|
);
|
|
if(physicsTemplate.isAngularlyStatic()){
|
|
realm.getCollisionEngine().setAngularlyStatic(rigidBody, true);
|
|
}
|
|
if(physicsTemplate.getKinematic()){
|
|
Globals.clientSceneWrapper.getCollisionEngine().setKinematic(rigidBody);
|
|
}
|
|
rVal.putData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM, offsetTransform);
|
|
rVal.putData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE, physicsTemplate);
|
|
rVal.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
|
|
rVal.putData(EntityDataStrings.SERVER_COLLIDABLE_TREE, tree);
|
|
|
|
rVal.putData(EntityDataStrings.PHYSICS_MASS, mass);
|
|
|
|
realm.getCollisionEngine().registerCollisionObject(rigidBody, collidable);
|
|
ServerEntityTagUtils.attachTagToEntity(rVal, EntityTags.COLLIDABLE);
|
|
} break;
|
|
}
|
|
//if we successfully attached the body, add a sync tree
|
|
if(rigidBody != null){
|
|
ServerPhysicsSyncTree.attachTree(rVal);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* [CLIENT ONLY] Given an entity and a terrain chunk description, create physics for the chunk and attach it to the entity
|
|
* @param terrain The entity
|
|
* @param data The terrain description
|
|
* @return The rigid body created (note, attachment has already been performed)
|
|
*/
|
|
public static void clientAttachTerrainChunkRigidBody(Entity terrain, TerrainChunkData data){
|
|
DBody terrainBody = CollisionBodyCreation.generateBodyFromTerrainData(Globals.clientSceneWrapper.getCollisionEngine(), data, Collidable.TYPE_STATIC_BIT);
|
|
Collidable collidable = new Collidable(terrain,Collidable.TYPE_TERRAIN, false);
|
|
Globals.clientSceneWrapper.getCollisionEngine().registerCollisionObject(terrainBody, collidable);
|
|
PhysicsEntityUtils.setDBody(terrain,terrainBody);
|
|
terrain.putData(EntityDataStrings.PHYSICS_COLLIDABLE, collidable);
|
|
}
|
|
|
|
|
|
/**
|
|
* [SERVER ONLY] Given an entity and a terrain chunk description, create physics for the chunk and attach it to the entity
|
|
* @param terrain The entity
|
|
* @param data The terrain description
|
|
* @return The rigid body created (note, attachment has already been performed)
|
|
*/
|
|
public static DBody serverAttachTerrainChunkRigidBody(Entity terrain, TerrainChunkData data){
|
|
Realm terrainRealm = Globals.realmManager.getEntityRealm(terrain);
|
|
DBody terrainBody = CollisionBodyCreation.generateBodyFromTerrainData(terrainRealm.getCollisionEngine(),data,Collidable.TYPE_STATIC_BIT);
|
|
|
|
terrainRealm.getCollisionEngine().registerCollisionObject(terrainBody, new Collidable(terrain,Collidable.TYPE_TERRAIN, false));
|
|
PhysicsEntityUtils.setDBody(terrain,terrainBody);
|
|
|
|
return terrainBody;
|
|
}
|
|
|
|
/**
|
|
* Repositions all active physics-scoped entities on a given realm
|
|
* @param collisionEngine The realm's collision engine
|
|
*/
|
|
public static void serverRepositionEntities(CollisionEngine collisionEngine){
|
|
List<Entity> toReposition = new LinkedList<Entity>();
|
|
List<Collidable> collidableList = collisionEngine.getCollidables();
|
|
if(collidableList == null){
|
|
collisionEngine.getCollidables();
|
|
throw new Error("Collision engine collidables are null!");
|
|
}
|
|
for(Collidable collidable : collidableList){
|
|
Entity entity = collidable.getParent();
|
|
DBody body = PhysicsEntityUtils.getDBody(entity);
|
|
if(body != null && body.isEnabled() && !body.isKinematic()){
|
|
toReposition.add(entity);
|
|
}
|
|
}
|
|
for(Entity parent : toReposition){
|
|
ServerEntityUtils.repositionEntity(parent,EntityUtils.getPosition(parent));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the transform from parent entity position to rigid body
|
|
* @param entity The entity
|
|
* @return The transform
|
|
*/
|
|
public static Matrix4d getEntityCollidableTransform(Entity entity){
|
|
return (Matrix4d) entity.getData(EntityDataStrings.PHYSICS_COLLISION_BODY_TRANSFORM);
|
|
}
|
|
|
|
/**
|
|
* Checks if the entity contains a dbody
|
|
* @param entity the entity
|
|
* @return true if contains, false otherwise
|
|
*/
|
|
public static boolean containsDBody(Entity entity){
|
|
return entity.containsKey(EntityDataStrings.PHYSICS_COLLISION_BODY);
|
|
}
|
|
|
|
/**
|
|
* Sets the dbody on the entity
|
|
* @param entity The entity
|
|
* @param body The body
|
|
*/
|
|
public static void setDBody(Entity entity, DBody body){
|
|
if(body == null){
|
|
throw new Error("Trying to set null DBody!");
|
|
}
|
|
entity.putData(EntityDataStrings.PHYSICS_COLLISION_BODY, body);
|
|
}
|
|
|
|
/**
|
|
* Gets the DBody attached to an entity
|
|
* @param entity the entity
|
|
* @return The dbody if it exists, null otherwise
|
|
*/
|
|
public static DBody getDBody(Entity entity){
|
|
return (DBody)entity.getData(EntityDataStrings.PHYSICS_COLLISION_BODY);
|
|
}
|
|
|
|
/**
|
|
* Sets the position of a DGeom
|
|
* @param collisionEngine the collision engine
|
|
* @param geom the geometry
|
|
*/
|
|
public static void setGeometryPosition(CollisionEngine collisionEngine, DGeom geom, Vector3d position, Quaterniond rotation){
|
|
collisionEngine.setGeomTransform(geom, position, rotation);
|
|
}
|
|
|
|
/**
|
|
* Gets the collidable attached to the entity
|
|
* @param entity The entity
|
|
* @return The collidable if it exists, null otherwise
|
|
*/
|
|
public static Collidable getCollidable(Entity entity){
|
|
return (Collidable)entity.getData(EntityDataStrings.PHYSICS_COLLIDABLE);
|
|
}
|
|
|
|
}
|