rename consistency

entity/EntityMovement.gd

@@ -0,0 +1,125 @@
+class_name EntityMovement extends Node
+
+const SPEED = 64.0
+const FRICTION = 0.01
+
+enum FacingDirection {
+	SOUTH = 0,
+	EAST = 1,
+	NORTH = 2,
+	WEST = 3
+};
+
+const FacingDirWalkAnimations = {
+	FacingDirection.SOUTH: "walk_south",
+	FacingDirection.EAST: "walk_east",
+	FacingDirection.NORTH: "walk_north",
+	FacingDirection.WEST: "walk_west"
+};
+
+const FacingDirAngle = {
+	FacingDirection.SOUTH: 0.0,
+	FacingDirection.EAST: PI / 2,
+	FacingDirection.NORTH: PI,
+	FacingDirection.WEST: -PI / 2
+};
+
+@export var body:CharacterBody3D
+@export var rotate:Node3D
+@export var sprite:AnimatedSprite3D
+
+var facingDir:FacingDirection = FacingDirection.SOUTH
+var inputDir:Vector2 = Vector2.ZERO
+
+func _enter_tree() -> void:
+	if !sprite:
+		return
+	for dir in FacingDirWalkAnimations:
+		if sprite.animation != FacingDirWalkAnimations[dir]:
+			continue
+		facingDir = dir
+		break
+
+func canMove() -> bool:
+	return true
+
+func applyFacingDir() -> void:
+	if !sprite || inputDir.length() <= 0.01:
+		return
+
+	if inputDir.y > 0:
+		if facingDir != FacingDirection.NORTH && inputDir.x != 0:
+			if inputDir.x > 0 && facingDir == FacingDirection.EAST:
+				facingDir = FacingDirection.EAST
+			elif inputDir.x < 0 && facingDir == FacingDirection.WEST:
+				facingDir = FacingDirection.WEST
+			else:
+				facingDir = FacingDirection.NORTH
+		else:
+			facingDir = FacingDirection.NORTH
+	elif inputDir.y < 0:
+		if facingDir != FacingDirection.SOUTH && inputDir.x != 0:
+			if inputDir.x > 0 && facingDir == FacingDirection.EAST:
+				facingDir = FacingDirection.EAST
+			elif inputDir.x < 0 && facingDir == FacingDirection.WEST:
+				facingDir = FacingDirection.WEST
+			else:
+				facingDir = FacingDirection.SOUTH
+		else:
+			facingDir = FacingDirection.SOUTH
+	elif inputDir.x > 0:
+		facingDir = FacingDirection.EAST
+	else:
+		facingDir = FacingDirection.WEST
+
+	sprite.animation = FacingDirWalkAnimations[facingDir]
+
+func applyGravity() -> void:
+	if !body.is_on_floor():
+		body.velocity += PHYSICS.GRAVITY * get_process_delta_time()
+
+func applyMovement() -> void:
+	if !canMove():
+		return
+
+	var cameraCurrent = get_viewport().get_camera_3d()
+	if !cameraCurrent:
+		return
+
+	# Use camera orientation for movement direction
+	var camBasis = cameraCurrent.global_transform.basis
+
+	# Forward and right vectors, ignore vertical component
+	var forward = -camBasis.z
+	forward.y = 0
+	forward = forward.normalized()
+	var right = camBasis.x
+	right.y = 0
+	right = right.normalized()
+
+	var directionAdjusted = (
+		forward * inputDir.y + right * inputDir.x
+	).normalized()
+	if directionAdjusted.length() <= 0.01:
+		return
+
+	if rotate:
+		var targetRot = atan2(directionAdjusted.x, directionAdjusted.z)
+		rotate.rotation.y = targetRot
+
+	body.velocity.x = directionAdjusted.x * SPEED
+	body.velocity.z = directionAdjusted.z * SPEED
+
+func applyFriction(delta:float) -> void:
+	body.velocity.x *= delta * FRICTION
+	body.velocity.z *= delta * FRICTION
+
+func _physics_process(delta:float) -> void:
+	if !body:
+		return
+
+	applyGravity()
+	applyFriction(delta)
+	applyMovement()
+	applyFacingDir()
+	body.move_and_slide()