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113 lines
3.0 KiB
113 lines
3.0 KiB
var player
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var is_placing = false
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var placing_node
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var placed = []
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var max_placed = 5
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var start_action
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var confirm_action
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var delete_action
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var scene_path
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signal start_placement
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signal confirm_placement
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func place_input():
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# We allow you to just click to place, without needing to press E
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var confirm = Input.is_action_just_pressed(confirm_action)
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if Input.is_action_just_pressed(start_action) or (confirm and not is_placing):
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# Press button twice to cancel
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if is_placing:
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# We changed our mind, delete the placing wall
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placing_node.queue_free()
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is_placing = false
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else:
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# Make a floating placement wall
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placing_node = create()
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is_placing = true
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if Input.is_action_just_pressed(delete_action):
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var pick = player.pick_from(placed)
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if pick != -1:
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remove_placed(pick)
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if is_placing or confirm:
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call_deferred("position_placement", placing_node)
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if confirm:
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call_deferred("confirm_placement", placing_node)
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emit_signal("confirm_placement")
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func confirm_placement(node, tf=null):
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if tf:
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node.set_transform(tf)
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# TODO: Is this working? Could it be done better?
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node.place()
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# Remember this wall, and return to non-placing state
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# We need to do this even as slave, because we keep track of the count
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placed.append(node)
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check_count()
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placing_node = null
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is_placing = false
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func check_count():
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# If we've made max_walls, remove the first we made
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if placed.size() > max_placed:
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placed[0].queue_free()
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placed.pop_front()
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# When placing, make the about-to-disappear wall translucent
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if placed.size() >= max_placed:
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placed[0].make_last()
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# Find the point we're looking at, and put the wall there
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func position_placement(node):
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var aim = player.get_node("Yaw/Pitch").get_global_transform().basis
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var look_ray = player.get_node("TPCamera/Camera/Ray")
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var pos = look_ray.get_collision_point()
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node.set_translation(pos)
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var normal = look_ray.get_collision_normal()
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var towards = normal + pos
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var up = aim[2] # Wall should be horizontal to my view
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# This helps nearly horizontal walls be easier to make flat
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# We have two methods I'm deciding between
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var use_method_two = true
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if not use_method_two:
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# Method one: only allow horizontal or vertical, based on whether the surface faces you
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var on_wall_margin = 0.75
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if normal.dot(Vector3(0,1,0)) < on_wall_margin:
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var margin = 0.8
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if up.dot(normal) > margin: # The wall is facing us
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# We want flat
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up = Vector3(0,1,0)
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else:
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# We want straight
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up.y = 0
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else:
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# Method two: Make y more aggressive than other dimensions
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up.y = 3 * tanh(up.y)
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up = up.normalized()
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node.look_at(towards, up)
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func clear():
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for node in placed:
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node.queue_free()
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placed = []
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slave func slave_place(tf):
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var node = create()
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confirm_placement(node, tf)
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sync func remove_placed(index):
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placed[index].queue_free()
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placed.remove(index)
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func create():
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var node = load(scene_path).instance()
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player.get_node("/root/Level").call_deferred("add_child", node)
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node.call_deferred("init", player) # TODO: Is call_deferred legal on possibly not existing node?
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return node
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