public override void _IntegrateForces(Physics2DDirectBodyState bodyState)
{
Vector2 linearVelocity = bodyState.LinearVelocity;
float step = bodyState.Step;
PlayerInputInteraction playerInputInteraction = ListenToPlayerInput();
linearVelocity.x -= this.floorHVelocity;
floorHVelocity = 0.0f;
FloorContact floorContact = FindFloorContact(bodyState);
ProcessSpawn(playerInputInteraction);
ProcessShooting(playerInputInteraction, step);
ProcessFloorContact(floorContact, step);
linearVelocity = ProcessJump(playerInputInteraction, linearVelocity, step);
linearVelocity = ProcessPlayerMovement(playerInputInteraction, linearVelocity, step);
this.shooting = playerInputInteraction.Shoot;
if (floorContact.FoundFloor)
{
floorHVelocity = bodyState.GetContactColliderVelocityAtPosition(floorContact.FloorIndex).x;
linearVelocity.x += floorHVelocity;
}
linearVelocity += bodyState.TotalGravity * step;
bodyState.LinearVelocity = linearVelocity;
}
private void ProcessAnimation(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity)
{
String newAnimation = this.animation;
if (this.jumping)
{
newAnimation = "jumping";
}
else if (Mathf.Abs(linearVelocity.x) < 0.1)
{
if (this.shootTime < MAX_SHOOT_POSE_TIME)
{
newAnimation = "idle_weapon";
}
else
{
newAnimation = "idle";
}
}
else
{
if (this.shootTime < MAX_SHOOT_POSE_TIME)
{
newAnimation = "run_weapon";
}
else
{
newAnimation = "run";
}
}
UpdateAnimation(newAnimation);
}
private void ProcessInAirAnimation(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity)
{
String newAnimation = this.animation;
if (linearVelocity.y < 0)
{
if (this.shootTime < MAX_SHOOT_POSE_TIME)
{
newAnimation = "jumping_weapon";
}
else
{
newAnimation = "jumping";
}
}
else
{
if (this.shootTime < MAX_SHOOT_POSE_TIME)
{
newAnimation = "falling_weapon";
}
else
{
newAnimation = "falling_weapon";
}
}
UpdateAnimation(newAnimation);
}
private Vector2 ProcessPlayerInAirDirectionalMovement(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity, float step)
{
if (playerInputInteraction.MoveLeft && !playerInputInteraction.MoveRight)
{
if (linearVelocity.x > -WALK_MAX_VELOCITY)
{
linearVelocity.x -= AIR_ACCELERATION * step;
}
}
else if (playerInputInteraction.MoveRight && !playerInputInteraction.MoveLeft)
{
if (linearVelocity.x < WALK_MAX_VELOCITY)
{
linearVelocity.x += AIR_ACCELERATION * step;
}
}
else
{
float linearVelocityX = Mathf.Abs(linearVelocity.x);
linearVelocityX -= AIR_DEACCELERATION * step;
linearVelocityX = linearVelocityX < 0 ? 0 : linearVelocityX;
linearVelocity.x = Mathf.Sign(linearVelocity.x) * linearVelocityX;
}
return(linearVelocity);
}
private void ProcessShooting(PlayerInputInteraction playerInputInteraction, float step)
{
if (playerInputInteraction.Shoot && !this.shooting)
{
CallDeferred("ShotBullet");
}
else
{
this.shootTime += step;
}
}
private Vector2 ProcessJumpMovement(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity, float step)
{
if (!this.jumping && playerInputInteraction.Jump)
{
linearVelocity.y = -JUMP_VELOCITY;
this.jumping = true;
this.stoppingJump = false;
AudioStreamPlayer2D soundJump = GetNode("SoundJump") as AudioStreamPlayer2D;
soundJump.Play();
}
return(linearVelocity);
}
private void ProcessSpawn(PlayerInputInteraction playerInputInteraction)
{
if (playerInputInteraction.Spawn)
{
RigidBody2D enemy = this.enemyScene.Instance() as RigidBody2D;
Vector2 position = Position;
position.y = position.y - 100;
enemy.Position = position;
GetParent().AddChild(enemy);
}
}
private void ProcessPlayerSiding(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity)
{
bool newSidingLeft = this.sidingLeft;
if (linearVelocity.x < 0 && playerInputInteraction.MoveLeft)
{
newSidingLeft = true;
}
else if (linearVelocity.x > 0 && playerInputInteraction.MoveRight)
{
newSidingLeft = false;
}
UpdateSidingLeft(newSidingLeft);
}
private Vector2 ProcessPlayerMovement(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity, float step)
{
bool onFloor = airborneTime < MAX_FLOOR_AIRBORNE_TIME;
if (onFloor)
{
linearVelocity = ProcessPlayerDirectionalMovement(playerInputInteraction, linearVelocity, step);
linearVelocity = ProcessJumpMovement(playerInputInteraction, linearVelocity, step);
ProcessPlayerSiding(playerInputInteraction, linearVelocity);
ProcessAnimation(playerInputInteraction, linearVelocity);
}
else
{
linearVelocity = ProcessPlayerInAirDirectionalMovement(playerInputInteraction, linearVelocity, step);
ProcessInAirAnimation(playerInputInteraction, linearVelocity);
}
return(linearVelocity);
}
private Vector2 ProcessJump(PlayerInputInteraction playerInputInteraction, Vector2 linearVelocity, float step)
{
if (!this.jumping)
{
return(linearVelocity);
}
if (linearVelocity.y > 0)
{
this.jumping = false;
}
else if (!playerInputInteraction.Jump)
{
this.stoppingJump = true;
}
if (this.stoppingJump)
{
linearVelocity.y += STOP_JUMP_FORCE * step;
}
return(linearVelocity);
}
