Setup basic GUI and scanner selection

scripts/gui.gd

@@ -0,0 +1,7 @@
+class_name Gui
+extends Control
+
+signal scanner_selected
+
+func _on_scanner_modes_scanner_selected(type : Scanners.Type):
+	emit_signal("scanner_selected", type)

scripts/gui/scanner_modes.gd

@@ -0,0 +1,14 @@
+extends Control
+
+signal scanner_selected
+
+func _on_scanner_select_item_selected(index):
+	var scannerType : Scanners.Type
+	
+	match index:
+		0: scannerType = Scanners.Type.NoScanner
+		1: scannerType = Scanners.Type.Water
+		2: scannerType = Scanners.Type.Fertility
+		3: scannerType = Scanners.Type.Presence
+	
+	emit_signal("scanner_selected", scannerType)

scripts/map.gd

@@ -1,2 +1,6 @@
 class_name Map
 extends Node2D
+
+
+func _on_gui_scanner_selected(type : Scanners.Type):
+	$Scanners.select_scanner(type)

scripts/scanners.gd

@@ -1,11 +1,20 @@
 class_name Scanners
 extends Node2D
 
-func _ready():
-	for sprite in [$Water, $Fertility, $Data]:
-		sprite.texture = GameTerrain.get_texture()
-		sprite.scale = Vector2(GameTerrain.MAP_RATIO,GameTerrain.MAP_RATIO,)
+enum Type {NoScanner, Water, Fertility, Presence, Combined}
 
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta):
-	pass
+func _ready():
+	for sprite in [$Water, $Fertility, $Presence, $Data]:
+		sprite.texture = GameTerrain.get_texture()
+		sprite.scale = Vector2(GameTerrain.MAP_RATIO,GameTerrain.MAP_RATIO)
+		sprite.visible = false
+
+func select_scanner(type: Type):
+	for sprite in [$Water, $Fertility, $Presence, $Data]:
+		sprite.visible = false
+	
+	match type:
+		Type.Water: $Water.visible = true
+		Type.Fertility: $Fertility.visible = true
+		Type.Presence: $Presence.visible = true
+		Type.Combined: $Data.visible = true