Add CrouchState

game/player/InputManagementComponent/InputManagementComponent.gd

@@ -13,6 +13,7 @@ class_name InputManagementComponent
 @export var run_action : StringName = "player_run"
 @export var jump_action : StringName = "player_jump"
 @export var dodge_action : StringName = "player_dodge"
+@export var crouch_action : StringName = "player_crouch"
 @export_subgroup("Camera variables")
 @export var aim_cam_action : StringName = "player_aim_camera"
 @export var cam_zoom_in_action : StringName = "player_zoom_camera_in"
@@ -38,6 +39,7 @@ func attribute_keybinds() -> void:
 	play_char_ref.run_action = run_action
 	play_char_ref.jump_action = jump_action
 	play_char_ref.dodge_action = dodge_action
+	play_char_ref.crouch_action = crouch_action
 	play_char_ref.aim_cam_action = aim_cam_action
 	
 	cam_holder_ref.aim_cam_action = aim_cam_action

game/player/PlayerCharacter.tscn

@@ -10,6 +10,7 @@
 [ext_resource type="Script" uid="uid://dn5idrvu68k83" path="res://game/player/StateMachine/AimState.gd" id="7_kxr4l"]
 [ext_resource type="Script" uid="uid://dpcfffs3vt5co" path="res://game/player/StateMachine/RunState.gd" id="8_j4mf1"]
 [ext_resource type="Script" uid="uid://bwojkp7yrwswt" path="res://game/player/StateMachine/DodgeState.gd" id="9_6abew"]
+[ext_resource type="Script" uid="uid://d0577tj0c23bu" path="res://game/player/StateMachine/CrouchState.gd" id="10_mi63v"]
 
 [sub_resource type="Curve" id="Curve_kxr4l"]
 _limits = [0.0, 10.0, 0.0, 1.0]
@@ -89,5 +90,8 @@ script = ExtResource("8_j4mf1")
 [node name="DodgeState" type="Node" parent="StateMachine" unique_id=232179400]
 script = ExtResource("9_6abew")
 
+[node name="CrouchState" type="Node" parent="StateMachine" unique_id=381419367]
+script = ExtResource("10_mi63v")
+
 [node name="InputManagementComponent" type="Node" parent="." unique_id=1981951371]
 script = ExtResource("2_r5dqo")

game/player/StateMachine/AimState.gd

@@ -24,10 +24,13 @@ var play_char : CharacterBody3D
 
 var auto_lock_blocked : bool = false #true apres un deverrouillage manuel, tant que la cible est encore au centre
 var dodging_from_aim : bool = false #true quand on quitte Aim pour rouler, pour ne pas relacher la cible verrouillee
+var came_from_crouch : bool = false #true si Aim a ete declenche depuis CrouchState, pour y retourner en sortant
 
 func enter(play_char_ref : CharacterBody3D) -> void:
 	play_char = play_char_ref
 	auto_lock_blocked = false
+	#curr_state_name n'est pas encore mis a jour a ce stade : il reflete encore l'etat qu'on est en train de quitter
+	came_from_crouch = play_char.state_machine.curr_state_name == "Crouch"
 	verifications()
 
 func verifications() -> void:
@@ -62,7 +65,10 @@ func input_management() -> bool:
 		return true
 	
 	if !Input.is_action_pressed(aim_action):
-		transitioned.emit(self, play_char.walk_or_run if play_char.move_dir else "IdleState")
+		if came_from_crouch:
+			transitioned.emit(self, "CrouchState")
+		else:
+			transitioned.emit(self, play_char.walk_or_run if play_char.move_dir else "IdleState")
 		return true
 	
 	if Input.is_action_just_pressed(unlock_action):

game/player/StateMachine/CrouchState.gd

@@ -0,0 +1,71 @@
+extends State
+
+class_name CrouchState
+
+var state_name : String = "Crouch"
+
+var play_char : CharacterBody3D
+
+func enter(play_char_ref : CharacterBody3D) -> void:
+	play_char = play_char_ref
+	
+	verifications()
+	
+func verifications() -> void:
+	#play_char.godot_plush_skin.set_state("crouch")
+	play_char.move_speed = play_char.crouch_speed
+	play_char.move_accel = play_char.crouch_accel
+	play_char.move_deccel = play_char.crouch_deccel
+	
+	play_char.floor_snap_length = 1.0
+	if play_char.jump_cooldown > 0.0: play_char.jump_cooldown = -1.0
+	if play_char.nb_jumps_in_air_allowed < play_char.nb_jumps_in_air_allowed_ref: play_char.nb_jumps_in_air_allowed = play_char.nb_jumps_in_air_allowed_ref
+	if play_char.coyote_jump_cooldown < play_char.coyote_jump_cooldown_ref: play_char.coyote_jump_cooldown = play_char.coyote_jump_cooldown_ref
+	if play_char.has_cut_jump: play_char.has_cut_jump = false
+	
+	play_char.is_crouching = true
+	
+func exit() -> void:
+	play_char.is_crouching = false
+	
+func physics_update(delta : float) -> void:
+	applies()
+	
+	play_char.gravity_apply(delta)
+	
+	input_management()
+	
+	move(delta)
+	
+func applies() -> void:
+	#quitter le sol (ex: crouch au bord d'une plateforme) bascule vers InairState, comme IdleState
+	if !play_char.is_on_floor() and !play_char.is_on_wall():
+		transitioned.emit(self, "InairState")
+		#le saut est bloque en crouch : on ne consomme pas le jump buffer ici, il restera en attente
+		#et sera pris en compte des la sortie du crouch (Idle/Walk)
+		
+func input_management() -> void:
+	#courir annule automatiquement le crouch
+	if play_char.walk_or_run == "RunState":
+		transitioned.emit(self, "RunState")
+	
+	#bascule (toggle) : un nouvel appui ressort du crouch vers l'etat au sol approprie
+	if Input.is_action_just_pressed(play_char.crouch_action):
+		transitioned.emit(self, play_char.walk_or_run if play_char.move_dir else "IdleState")
+	
+	if Input.is_action_just_pressed(play_char.aim_cam_action):
+		transitioned.emit(self, "AimState")
+	
+	#pas de saut ici : le jump_action est volontairement ignore pendant le crouch
+	
+func move(delta : float) -> void:
+	play_char.move_dir = Input.get_vector(play_char.move_left_action, play_char.move_right_action, play_char.move_forward_action, play_char.move_backward_action).rotated(-play_char.cam_holder.global_rotation.y)
+	
+	if play_char.move_dir and play_char.is_on_floor():
+		#deplacement accroupi, a vitesse reduite
+		play_char.velocity.x = lerp(play_char.velocity.x, play_char.move_dir.x * play_char.move_speed, play_char.move_accel * delta)
+		play_char.velocity.z = lerp(play_char.velocity.z, play_char.move_dir.y * play_char.move_speed, play_char.move_accel * delta)
+	else:
+		#pas de transition vers Idle ici : Crouch gere lui-meme l'immobilite, comme AimState
+		play_char.velocity.x = lerp(play_char.velocity.x, 0.0, play_char.move_deccel * delta)
+		play_char.velocity.z = lerp(play_char.velocity.z, 0.0, play_char.move_deccel * delta)

game/player/StateMachine/CrouchState.gd.uid

@@ -0,0 +1 @@
+uid://d0577tj0c23bu

game/player/StateMachine/IdleState.gd

@@ -47,6 +47,9 @@ func input_management() -> void:
 	if Input.is_action_just_pressed(play_char.dodge_action) and play_char.dodge_cooldown <= 0.0:
 		transitioned.emit(self, "DodgeState")
 		
+	if Input.is_action_just_pressed(play_char.crouch_action):
+		transitioned.emit(self, "CrouchState")
+		
 	if Input.is_action_pressed(play_char.jump_action) if play_char.auto_jump else Input.is_action_just_pressed(play_char.jump_action):
 		transitioned.emit(self, "JumpState")
 		

game/player/StateMachine/PlayerCharacter.gd

@@ -14,6 +14,7 @@ var last_frame_velocity : Vector3
 var was_on_floor : bool = false
 var walk_or_run : String = "WalkState" #keep in memory if play char was walking or running before being in the air
 var is_dodging : bool = false #true while DodgeState is active ; hook this up to a hurtbox/i-frame check later
+var is_crouching : bool = false #true while CrouchState is active ; hook this up to a collision-shape resize later
 
 @export_group("Walk variables")
 @export var walk_speed : float = 5.0
@@ -32,6 +33,11 @@ var is_dodging : bool = false #true while DodgeState is active ; hook this up to
 @export var dodge_cooldown : float = 0.6
 var dodge_cooldown_ref : float
 
+@export_group("Crouch variables")
+@export var crouch_speed : float = 2.5
+@export var crouch_accel : float = 7.0
+@export var crouch_deccel : float = 7.0
+
 @export_group("Jump variables")
 @export var jump_height : float = 3.0
 @export var jump_time_to_peak : float = 0.35
@@ -67,6 +73,7 @@ var move_right_action : StringName
 var run_action : StringName
 var jump_action : StringName
 var dodge_action : StringName
+var crouch_action : StringName
 var aim_cam_action : StringName
 
 @export_group("Model variables")

game/player/StateMachine/WalkState.gd

@@ -49,6 +49,9 @@ func input_management() -> void:
 	if Input.is_action_just_pressed(play_char.dodge_action) and play_char.dodge_cooldown <= 0.0:
 		transitioned.emit(self, "DodgeState")
 		
+	if Input.is_action_just_pressed(play_char.crouch_action):
+		transitioned.emit(self, "CrouchState")
+		
 	if Input.is_action_pressed(play_char.jump_action) if play_char.auto_jump else Input.is_action_just_pressed(play_char.jump_action) :
 		transitioned.emit(self, "JumpState")