Implement throwing.

characters/base/base_character.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=29 format=3 uid="uid://blpbgwklc21k5"]
+[gd_scene load_steps=30 format=3 uid="uid://blpbgwklc21k5"]
 
 [ext_resource type="Script" uid="uid://jshmfmeoj28y" path="res://characters/base/character.gd" id="1_f78fl"]
 [ext_resource type="Script" uid="uid://vogde76hsl0j" path="res://characters/base/character_state_properties.gd" id="2_cchsv"]
@@ -28,6 +28,7 @@
 [ext_resource type="Resource" uid="uid://cgx3p61bbw6sw" path="res://characters/base/template_csp_jump_while_holding.tres" id="23_hhowv"]
 [ext_resource type="Resource" uid="uid://dc346050qtltb" path="res://characters/base/template_csp_swim.tres" id="24_0pfk6"]
 [ext_resource type="Resource" uid="uid://mgefvwuayfk4" path="res://characters/base/template_csp_swim_while_holding.tres" id="25_hpxkk"]
+[ext_resource type="Resource" uid="uid://bgunca0v4g3jg" path="res://characters/base/template_csp_throw.tres" id="26_5etud"]
 
 [node name="BaseCharacter" type="RigidBody3D" node_paths=PackedStringArray("_audio_player", "_property_save_restore_stack", "_state_machine")]
 mass = 60.0
@@ -54,6 +55,7 @@ _state_properties = Dictionary[StringName, ExtResource("2_cchsv")]({
 &"sprint": ExtResource("6_aigsb"),
 &"swim": ExtResource("24_0pfk6"),
 &"swim-while-holding": ExtResource("25_hpxkk"),
+&"throw": ExtResource("26_5etud"),
 &"victory1": ExtResource("15_hhowv"),
 &"victory2": ExtResource("16_0pfk6"),
 &"walk": ExtResource("4_0mnbh"),

characters/base/character.gd

@@ -755,6 +755,25 @@ func _apply_jump_deceleration(delta: float) -> void:
 		_get_jump_deceleration()*delta
 	)
 
+func _pick_up_deferred_callback(what: Node3D) -> void:
+	if _carrying == what:
+		if what is RigidBody3D:
+			what.linear_velocity = Vector3.ZERO
+			what.angular_velocity = Vector3.ZERO
+		what.process_mode = PROCESS_MODE_DISABLED
+		what.reparent(self)
+
+func _put_down_deferred_callback(what: Node3D) -> void:
+	what.reparent(get_parent())
+	what.process_mode = PROCESS_MODE_INHERIT
+
+func _throw_deferred_callback(what: Node3D) -> void:
+	_put_down_deferred_callback(what)
+	if what is RigidBody3D:
+		what.linear_velocity = 1.5*linear_velocity.length()*knockback*(
+			(ground_normal/2.0 - global_basis.z).normalized()
+		)
+
 #endregion
 
 #region Public Methods
@@ -1036,6 +1055,7 @@ func _make_state_handler_descriptors() -> Dictionary[StringName, Variant]:
 			&'ticked': _on_put_down_state_tick,
 			&'stopped': _on_put_down_state_stop
 		},
+		&'throw': _on_throw_state_tick,
 		&'idle-while-holding': _on_idle_while_holding_state_tick,
 		&'walk-while-holding': _on_walk_while_holding_state_tick,
 		&'run-while-holding': _on_run_while_holding_state_tick,
@@ -1199,21 +1219,12 @@ func _on_put_down_state_tick(delta: float) -> void:
 
 func _on_put_down_state_stop() -> void:
 	if _carrying:
-		var thunk := func (what: Node3D) -> void:
-			what.reparent(get_parent())
-			what.process_mode = PROCESS_MODE_INHERIT
-		thunk.call_deferred(_carrying)
+		call_deferred(&'_put_down_deferred_callback', _carrying)
+		_carrying = null
 
 func _on_pick_up_state_start() -> void:
 	if _carrying:
-		var thunk := func (what: Node3D) -> void:
-			if _carrying == what:
-				if what is RigidBody3D:
-					what.linear_velocity = Vector3.ZERO
-					what.angular_velocity = Vector3.ZERO
-				what.process_mode = PROCESS_MODE_DISABLED
-				what.reparent(self)
-		thunk.call_deferred(_carrying)
+		call_deferred(&'_pick_up_deferred_callback', _carrying)
 	else:
 		force_change_state(&'idle')
 
@@ -1274,6 +1285,8 @@ func _on_run_while_holding_state_tick(delta: float) -> void:
 		force_change_state(&'jump-while-holding')
 	elif top_speed_proximity < 0.125:
 		state = &'walk-while-holding'
+	elif action1_impetus || action2_impetus || interact_impetus:
+		state = &'throw'
 
 func _on_jump_while_holding_state_start() -> void:
 	_apply_jump_impulse()
@@ -1287,12 +1300,16 @@ func _on_jump_while_holding_state_tick(delta: float) -> void:
 		state = &'run-while-holding'
 	elif linear_velocity.dot(ground_normal) <= -0.25:
 		state = &'fall-while-holding'
+	elif action1_impetus || action2_impetus || interact_impetus:
+		state = &'throw'
 
 func _on_fall_while_holding_state_tick(delta: float) -> void:
 	_do_standard_motion(delta)
 	if is_really_grounded() && !state_coyote_time_active():
 		play_sound(_landing_sound, _landing_sound_volume_db)
 		state = &'run-while-holding'
+	elif action1_impetus || action2_impetus || interact_impetus:
+		state = &'throw'
 
 func _on_swim_state_tick(delta: float) -> void:
 	_do_standard_motion(delta)
@@ -1300,4 +1317,17 @@ func _on_swim_state_tick(delta: float) -> void:
 func _on_swim_while_holding_state_tick(delta: float) -> void:
 	_do_standard_motion(delta)
 
+func _on_throw_state_tick(_delta: float) -> void:
+	if _state_animation_done():
+		if _carrying:
+			_put_down_without_animation()
+		_carrying = null
+		force_change_state(&'run')
+	elif _carrying && (
+		_anim_player.current_animation_position /
+		_anim_player.current_animation_length
+	) >= 0.5:
+		call_deferred(&'_throw_deferred_callback', _carrying)
+		_carrying = null
+
 #endregion

characters/base/template_csp_throw.tres

@@ -0,0 +1,33 @@
+[gd_resource type="Resource" script_class="CharacterStateProperties" load_steps=3 format=3 uid="uid://bgunca0v4g3jg"]
+
+[ext_resource type="Script" uid="uid://vogde76hsl0j" path="res://characters/base/character_state_properties.gd" id="1_lxcu1"]
+[ext_resource type="AudioStream" uid="uid://b75p1mryrkduo" path="res://audio/small_whoosh.ogg" id="1_yqaif"]
+
+[resource]
+script = ExtResource("1_lxcu1")
+use_coyote_time = false
+coyote_time = 0.0
+uninterruptible = true
+is_carrying_state = true
+equivalent_carrying_state = &""
+animation_name = &"throw"
+animation_alt_name = &""
+animation_base_speed = 1.0
+animation_blend_time = 0.25
+animation_speedup_with_velocity = 0.0
+audio = ExtResource("1_yqaif")
+audio_volume_db = 0.0
+collider_length = 1.0
+collider_radius = 0.5
+collider_horizontal = false
+yaw_orientation = 0
+pitch_orientation = 3
+orientation_speed = 600.0
+counts_as_grounded = true
+physics_mode = 2
+is_attack = false
+attack_base_damage = 0.0
+attack_base_knockback = 0.0
+invulnerable = false
+etc = Dictionary[String, Variant]({})
+metadata/_custom_type_script = "uid://vogde76hsl0j"

util/ext_math.gd

@@ -0,0 +1,14 @@
+class_name ExtMath extends StaticClass
+
+static func multilerp(control_points: Array, weight: float) -> Variant:
+	if control_points.is_empty():
+		return null
+	elif control_points.size() == 1:
+		return control_points[0]
+	else:
+		var offset: float = weight*(control_points.size() - 1)
+		return lerp(
+			control_points[floori(offset)],
+			control_points[ceili(offset)],
+			fposmod(offset, 1.0)
+		)

util/ext_math.gd.uid

@@ -0,0 +1 @@
+uid://cnhaxbhw8cd5v

util/static_class.gd

@@ -0,0 +1,8 @@
+class_name StaticClass extends Object
+
+func _init() -> void:
+	push_error(
+		"%s is an instance of a static class, which is not allowed" %
+		self
+	)
+	free()

util/static_class.gd.uid

@@ -0,0 +1 @@
+uid://bwdm51eupfb5n