Files
cobor/nodes/robots/modules/path_finder_module.gd
2025-09-01 20:22:54 +02:00

76 lines
2.1 KiB
GDScript

extends Module
var enabled := true
var pos_x_register_index:int
var pos_y_register_index:int
var pos_z_register_index:int
var index_register_index:int
var prev_index := 0
var target := Vector3i.ZERO
var path : Array[Vector3i]
func _ready() -> void:
if Terrain.instance == null:
print("No terrain to plan path on")
if cpu.get_parent() is not Robot:
print("Module not part of Robot")
func get_register_reservation_size()->int:
return 4
func set_reserved_registers(index:int)->void:
pos_x_register_index = index
pos_y_register_index = index+1
pos_z_register_index = index+2
index_register_index = index+3
func get_register_types()->Dictionary[int, String]:
return {
pos_x_register_index: "[X] Path",
pos_y_register_index: "[Y] Path",
pos_z_register_index: "[Z] Path",
index_register_index: "Idx Path"
}
func early_tick()->void:
var registers := cpu.cobor_vm.get_registers()
prev_index = registers[index_register_index]
func late_tick()->void:
var registers := cpu.cobor_vm.get_registers()
var index := registers[index_register_index]
if index < 0:
target = Vector3i(
registers[pos_x_register_index],
registers[pos_y_register_index],
registers[pos_z_register_index]
)
print("Target set: ", target)
else:
if index == prev_index:
print("index stays same")
return
if prev_index < 0:
var path_finder := VoxelAStarGrid3D.new()
path_finder.set_terrain(Terrain.instance)
path_finder.set_region(AABB(cpu.get_parent().global_position + Vector3.ONE * -100, Vector3.ONE * 200))
path = path_finder.find_path(cpu.get_parent().global_position, target)
if not path.is_empty():
path.append(target)
print("Recalculating path of size:", path.size(), " towards: ", target)
if index >= path.size():
index = path.size()-1
var step:Vector3i
if path.size() == 0:
step = Vector3i.ZERO
else:
step = path[index]
print("next step: ", step)
registers[pos_x_register_index] = step.x
registers[pos_y_register_index] = step.y
registers[pos_z_register_index] = step.z
registers[index_register_index] = index
cpu.cobor_vm.set_registers(cpu.register_size, registers)