Renderer/src/main/java/electrosphere/entity/state/collidable/CollidableTree.java
2021-11-07 17:41:26 -05:00

103 lines
4.3 KiB
Java

package electrosphere.entity.state.collidable;
import electrosphere.collision.dispatch.CollisionObject;
import electrosphere.entity.Entity;
import electrosphere.entity.EntityDataStrings;
import electrosphere.entity.EntityUtils;
import electrosphere.entity.state.GravityTree;
import electrosphere.game.collision.PhysicsUtils;
import electrosphere.game.collision.collidable.Collidable;
import electrosphere.game.data.creature.type.CollidableTemplate;
import electrosphere.main.Globals;
import org.joml.Quaternionf;
import org.joml.Vector3d;
import org.joml.Vector3f;
/**
*
* @author amaterasu
*/
public class CollidableTree {
Entity parent;
CollisionObject body;
Collidable collidable;
public CollidableTree(Entity e, Collidable collidable, CollisionObject body){
parent = e;
this.collidable = collidable;
this.body = body;
}
public void simulate(){
Vector3d position = EntityUtils.getPosition(parent);
Quaternionf rotation = EntityUtils.getRotation(parent);
Vector3d offsetVector = new Vector3d();
Vector3d newPosition = new Vector3d(position);
javax.vecmath.Matrix4f bodyTransformMatrix;
//have we hit a terrain impulse?
boolean hitTerrain = false;
//handle impulses
for(Impulse impulse : collidable.getImpulses()){
// collidable.getImpulses().remove(impulse);
Vector3d impulseForce = new Vector3d(impulse.getDirection()).mul(impulse.getForce());
if(impulse.type.matches(Collidable.TYPE_TERRAIN)){
hitTerrain = true;
// System.out.println("Impulse force: " + impulseForce);
// System.out.println("Position: " + position);
}
if(impulse.type.matches(Collidable.TYPE_ITEM)){
if(parent.getDataKeys().contains(EntityDataStrings.GRAVITY_TREE)){
((GravityTree)parent.getData(EntityDataStrings.GRAVITY_TREE)).start();
}
}
if(impulse.type.matches(Collidable.TYPE_CREATURE)){
// System.out.println(System.currentTimeMillis() + " creature hit!");
if(parent.getDataKeys().contains(EntityDataStrings.GRAVITY_TREE)){
((GravityTree)parent.getData(EntityDataStrings.GRAVITY_TREE)).start();
}
}
// if(impulse.type.matches("movement")){
// System.out.println("Impulse force: " + impulseForce);
// }
offsetVector.add(impulseForce);
}
//the reasoning here is that if we have something above something else and it's pushing it into the terrain,
//we should instead just not push into terrain and push along terrain
if(hitTerrain && offsetVector.y < 0){
offsetVector.y = 0;
}
//make sure we're in a valid (World bounds) position
newPosition.add(offsetVector);
if(!Globals.collisionEngine.checkCanOccupyPosition(Globals.commonWorldData, parent, newPosition)){
newPosition = Globals.collisionEngine.suggestMovementPosition(Globals.commonWorldData, parent, newPosition);
}
position.set(newPosition);
//update collision engine of this thing's position
CollidableTemplate template = (CollidableTemplate)parent.getData(EntityDataStrings.PHYSICS_MODEL_TEMPLATE);
bodyTransformMatrix = new javax.vecmath.Matrix4f(PhysicsUtils.jomlToVecmathQuaternionf(rotation),PhysicsUtils.jomlToVecmathVector3f(new Vector3f((float)position.x + template.getOffsetX(),(float)position.y + template.getOffsetY(),(float)position.z + template.getOffsetZ())),1.0f);
body.setWorldTransform(new electrosphere.linearmath.Transform(bodyTransformMatrix));
// bodyTransformMatrix = new javax.vecmath.Matrix4f(PhysicsUtils.jomlToVecmathQuaternionf(rotation),PhysicsUtils.jomlToVecmathVector3f(new Vector3f((float)newPosition.x,(float)newPosition.y,(float)newPosition.z)),1.0f);
// body.setWorldTransform(new electrosphere.linearmath.Transform(bodyTransformMatrix));
}
public void setCollisionObject(CollisionObject body, Collidable collidable){
this.body = body;
this.collidable = collidable;
}
}