From ec1b73d7b312719bc5a678609e929abd5e92dabe Mon Sep 17 00:00:00 2001
From: Rob Kelly <contact@robkel.ly>
Date: Tue, 17 Dec 2024 12:04:41 -0700
Subject: [PATCH] Tools for handling multiple input methods

---
 src/ui/elements/input_prompt/input_prompt.gd  | 31 +++++++++----
 .../elements/input_prompt/input_prompt.tscn   |  2 +-
 src/util/input_method.gd                      | 45 +++++++++++++++++++
 3 files changed, 69 insertions(+), 9 deletions(-)
 create mode 100644 src/util/input_method.gd

diff --git a/src/ui/elements/input_prompt/input_prompt.gd b/src/ui/elements/input_prompt/input_prompt.gd
index 2579ec4..9243d03 100644
--- a/src/ui/elements/input_prompt/input_prompt.gd
+++ b/src/ui/elements/input_prompt/input_prompt.gd
@@ -11,6 +11,16 @@ const UNKNOWN_LABEL_SYM := "[unknown]"
 		action = value
 		_update()
 
+@export var show_name := true:
+	set(value):
+		show_name = value
+		_update()
+
+@export var event_index := 0:
+	set(value):
+		event_index = value
+		_update()
+
 
 func _ready() -> void:
 	_update()
@@ -19,15 +29,20 @@ func _ready() -> void:
 func _update() -> void:
 	var input_symbol: String
 	var actions := InputMap.action_get_events(action)
-	if actions:
-		var primary := actions[0]
+	if actions and event_index < len(actions):
+		var primary := actions[event_index]
 		input_symbol = PromptMap.from_event(primary)
 
 	var loc_action := tr(ControlBinding.ACTION_KEY_FMT.format([action]))
 
-	text = PROMPT_FORMAT.format(
-		[
-			input_symbol if input_symbol else str(PromptMap.UNKNOWN_INPUT_SYMBOL),
-			loc_action if loc_action else str(action)
-		]
-	)
+	if not input_symbol:
+		input_symbol = str(PromptMap.UNKNOWN_INPUT_SYMBOL)
+	if show_name:
+		text = PROMPT_FORMAT.format(
+			[
+				input_symbol if input_symbol else str(PromptMap.UNKNOWN_INPUT_SYMBOL),
+				loc_action if loc_action else str(action)
+			]
+		)
+	else:
+		text = input_symbol
diff --git a/src/ui/elements/input_prompt/input_prompt.tscn b/src/ui/elements/input_prompt/input_prompt.tscn
index 5113eff..4e1c191 100644
--- a/src/ui/elements/input_prompt/input_prompt.tscn
+++ b/src/ui/elements/input_prompt/input_prompt.tscn
@@ -9,5 +9,5 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 theme_type_variation = &"InputPrompt"
-text = "❓ - [unknown]"
+text = "❓ - ACTION_"
 script = ExtResource("1_qq6w5")
diff --git a/src/util/input_method.gd b/src/util/input_method.gd
new file mode 100644
index 0000000..77114d7
--- /dev/null
+++ b/src/util/input_method.gd
@@ -0,0 +1,45 @@
+class_name InputMethod
+## Tools for disambiguating game input methods.
+
+enum Type {
+	UNKNOWN,
+	MOUSE_KEYBOARD,
+	GAMEPAD,
+	SONY,
+	XBOX,
+	NINTENDO,
+}
+
+
+static func _get_gamepad_type(device_id: int) -> Type:
+	var name := Input.get_joy_name(device_id)
+	if name.contains("Nintendo Switch"):
+		return Type.NINTENDO
+	if name.contains("Xbox"):
+		return Type.XBOX
+	# rpk: If you see this and think "HA! I could replace that with one simple regex!"...
+	# ... buy me a beer sometime and ask me about the User Agent Regex.
+	if (
+		name.contains("PlayStation")
+		or name.contains("PS1")
+		or name.contains("PS2")
+		or name.contains("PS3")
+		or name.contains("PS4")
+		or name.contains("PS5")
+	):
+		return Type.SONY
+
+	return Type.GAMEPAD
+
+
+static func get_method(event: InputEvent) -> Type:
+	if event is InputEventKey or event is InputEventMouse:
+		return Type.MOUSE_KEYBOARD
+
+	if event is InputEventJoypadButton:
+		return _get_gamepad_type((event as InputEventJoypadButton).device)
+
+	if event is InputEventJoypadMotion:
+		return _get_gamepad_type((event as InputEventJoypadMotion).device)
+
+	return Type.UNKNOWN