59 lines
1.4 KiB
GDScript
59 lines
1.4 KiB
GDScript
extends Control
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onready var map_menu = $menu/menubar/MapMenu.get_popup()
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onready var map_node = $map
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const MAP_SCALE_MAX = 8
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const MAP_SCALE_MIN = 0.25
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func _ready():
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pass
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# Prevent input handler from running when other dialogs/actions are focused
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var input_lock = false
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# Drag variables
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var dragging = false
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var view_origin = Vector2.ZERO
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var mouse_origin = Vector2.ZERO
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func _input(ev: InputEvent):
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if input_lock:
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return
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if ev is InputEventMouseMotion:
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if dragging:
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map_node.position = view_origin - (mouse_origin - ev.global_position)
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else:
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# Map cursor location to grid
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var mouseOffset = ev.global_position - map_node.global_position
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if ev is InputEventMouseButton:
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var mouse = ev as InputEventMouseButton
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if mouse.pressed:
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match ev.button_index:
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BUTTON_WHEEL_UP:
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# Zoom in
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if map_node.scale.x < MAP_SCALE_MAX:
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if map_node.scale.x < 1:
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map_node.scale *= 2
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else:
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map_node.scale += Vector2.ONE
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BUTTON_WHEEL_DOWN:
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# Zoom out
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if map_node.scale.x > MAP_SCALE_MIN:
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if map_node.scale.x <= 1:
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map_node.scale /= 2
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else:
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map_node.scale -= Vector2.ONE
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BUTTON_MIDDLE:
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view_origin = map_node.position
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mouse_origin = ev.global_position
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dragging = true
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else:
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match ev.button_index:
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BUTTON_MIDDLE:
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dragging = false
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map_node.position = view_origin - (mouse_origin - ev.global_position)
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