110 lines
3.3 KiB
Java
110 lines
3.3 KiB
Java
package electrosphere.entity.state.movement;
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import org.joml.Vector3d;
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import org.ode4j.math.DVector3C;
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import org.ode4j.ode.DBody;
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import electrosphere.collision.PhysicsEntityUtils;
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import electrosphere.collision.collidable.Collidable;
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import electrosphere.entity.Entity;
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import electrosphere.entity.EntityDataStrings;
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import electrosphere.entity.EntityUtils;
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import electrosphere.entity.btree.BehaviorTree;
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import electrosphere.entity.state.collidable.Impulse;
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import electrosphere.entity.state.gravity.GravityUtils;
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import electrosphere.entity.types.collision.CollisionObjUtils;
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import electrosphere.renderer.actor.Actor;
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public class ServerJumpTree implements BehaviorTree {
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static enum JumpState {
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INACTIVE,
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ACTIVE,
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AWAITING_LAND,
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}
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JumpState state = JumpState.INACTIVE;
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String animationJump = "Armature|Jump";
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Entity parent;
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int jumpFrames = 0;
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int currentFrame = 0;
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float jumpForce = 10.0f;
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float currentJumpForce = jumpForce;
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static final float jumpFalloff = 0.99f;
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public ServerJumpTree(Entity parent, int jumpFrames, float jumpForce){
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this.parent = parent;
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this.jumpFrames = jumpFrames;
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this.jumpForce = jumpForce;
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}
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public void start(){
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if(state == JumpState.INACTIVE){
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state = JumpState.ACTIVE;
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currentFrame = 0;
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currentJumpForce = jumpForce;
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GravityUtils.serverAttemptActivateGravity(parent);
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}
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}
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@Override
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public void simulate(float deltaTime) {
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Actor entityActor = EntityUtils.getActor(parent);
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switch(state){
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case ACTIVE:
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if(entityActor != null){
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String animationToPlay = determineCorrectAnimation();
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if(!entityActor.isPlayingAnimation() || !entityActor.isPlayingAnimation(animationToPlay)){
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entityActor.playAnimation(animationToPlay,1);
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entityActor.incrementAnimationTime(0.0001);
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}
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}
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currentFrame++;
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currentJumpForce = currentJumpForce * jumpFalloff;
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//stop body falling if it is
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DBody body = PhysicsEntityUtils.getDBody(parent);
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DVector3C linearVelocity = body.getLinearVel();
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body.setLinearVel(linearVelocity.get0(), 0, linearVelocity.get2());
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//push parent up
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body.addForce(0, currentJumpForce, 0);
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//potentially disable
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if(currentFrame >= jumpFrames){
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state = JumpState.AWAITING_LAND;
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GravityUtils.serverAttemptActivateGravity(parent);
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}
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break;
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case INACTIVE:
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break;
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case AWAITING_LAND:
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break;
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}
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}
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public static ServerJumpTree getServerJumpTree(Entity parent){
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return (ServerJumpTree)parent.getData(EntityDataStrings.SERVER_JUMP_TREE);
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}
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public void land(){
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if(state != JumpState.INACTIVE && currentFrame > 2){
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state = JumpState.INACTIVE;
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}
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}
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public boolean isJumping(){
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return state == JumpState.ACTIVE;
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}
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String determineCorrectAnimation(){
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return animationJump;
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}
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public void setAnimationJump(String animationName){
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animationJump = animationName;
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}
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}
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