Feature pour l'alpha 1.3

* Ajout d'un mode infini (pour nos hard core gamers)
* Ajout d'un message de découverte d'un nouvel outil
* Séparation de la pelle en deux outils : la pioche et la fourche
* Amélioration de la lisibilité des capsules d'énergies
* Changement léger des texture du sol et de la pierre
* Correction d'un bug lors du clic frénétique sur le porte de sortie du vaisseau
* Ajout d'un icône de recharge
* Fix de la mutation Ancien qui ne s'améliorait pas au niveau 4

+ début de dev des artefacts avec un distributeur

gui/vending_machine/scripts/vending_machine.gd

@@ -0,0 +1,88 @@
+@tool
+extends CanvasLayer
+class_name VendingMachine
+
+enum State {CHOOSE,PAY,FETCH}
+enum ChooseState {NONE,FIRST,SECOND}
+
+@export_tool_button("Update", "Callable") var update_action = update
+
+@export var state : State = State.CHOOSE : set = set_state
+@export var choose_state : ChooseState = ChooseState.NONE : set = set_choose_state
+@export var artefact_1 : Artefact = null : set = set_artifact_1
+@export var artefact_2 : Artefact = null : set = set_artifact_2
+
+func _ready():
+    update()
+
+func update():
+    set_artifact_1()
+    set_artifact_2()
+    set_state()
+
+func set_state(s := state):
+    state = s
+    if is_node_ready():
+       %PayButton.visible = state == State.PAY
+       %FetchButton.visible = state == State.FETCH
+
+       match state:
+            State.CHOOSE:
+                %IndicationLabel.text = "CHOOSE_AN_ITEM"
+            State.PAY:
+                %IndicationLabel.text = "PAY_THE_PRICE"
+            State.FETCH:
+                %IndicationLabel.text = "GET_YOUR_ITEM"
+
+func set_choose_state(s := choose_state):
+    choose_state = s
+    if is_node_ready():
+        %VendingMachine3d.screen_1_hide = s != ChooseState.FIRST
+        %VendingMachine3d.screen_2_hide = s != ChooseState.SECOND
+
+func set_artifact_1(a := artefact_1):
+    artefact_1 = a
+    if is_node_ready() and a:
+        %SelectButton1.text = a.get_artefact_name()
+        %VendingMachine3d.object_1_scene = a.get_3d_scene()
+
+func set_artifact_2(a := artefact_2):
+    artefact_2 = a
+    if is_node_ready() and a:
+        %SelectButton2.text = a.get_artefact_name()
+        %VendingMachine3d.object_2_scene = a.get_3d_scene()
+
+
+func _on_fetch_button_button_down():
+    pass # TODO : Adding the artifacts
+
+
+func _on_pay_button_button_down():
+    # TODO : The payment
+    if state == State.PAY and choose_state != ChooseState.NONE:
+        state = State.FETCH
+
+        if choose_state == ChooseState.FIRST:
+            %VendingMachine3d.fall_object_1()
+        else :
+            %VendingMachine3d.fall_object_2()
+
+func _on_select_button_1_button_down():
+    choose_state = ChooseState.FIRST
+    if state == State.CHOOSE:
+        state = State.PAY
+
+func _on_select_button_2_button_down():
+    choose_state = ChooseState.SECOND
+    if state == State.CHOOSE:
+        state = State.PAY
+
+func _on_select_button_bis_1_button_down():
+    choose_state = ChooseState.FIRST
+    if state == State.CHOOSE:
+        state = State.PAY
+
+func _on_select_button_bis_2_button_down():
+    choose_state = ChooseState.SECOND
+    if state == State.CHOOSE:
+        state = State.PAY