Add piano mono/poly, octave, and expanded drum voice set

server/app/items/piano.py

@@ -9,7 +9,17 @@ from ..models import WorldItem
 
 LABEL = "piano"
 TOOLTIP = "Playable keyboard instrument with multiple synth voices."
-EDITABLE_PROPERTIES: tuple[str, ...] = ("title", "instrument", "attack", "decay", "release", "brightness", "emitRange")
+EDITABLE_PROPERTIES: tuple[str, ...] = (
+    "title",
+    "instrument",
+    "voiceMode",
+    "octave",
+    "attack",
+    "decay",
+    "release",
+    "brightness",
+    "emitRange",
+)
 CAPABILITIES: tuple[str, ...] = ("editable", "carryable", "deletable", "usable")
 USE_SOUND: str | None = None
 EMIT_SOUND: str | None = None
@@ -19,6 +29,8 @@ DIRECTIONAL = False
 DEFAULT_TITLE = "piano"
 DEFAULT_PARAMS: dict = {
     "instrument": "piano",
+    "voiceMode": "poly",
+    "octave": 0,
     "attack": 15,
     "decay": 45,
     "release": 35,
@@ -34,25 +46,34 @@ INSTRUMENT_OPTIONS: tuple[str, ...] = (
     "bass",
     "violin",
     "synth_lead",
+    "brass",
     "nintendo",
     "drum_kit",
 )
+VOICE_MODE_OPTIONS: tuple[str, ...] = ("poly", "mono")
 
-DEFAULT_ENVELOPE_BY_INSTRUMENT: dict[str, tuple[int, int, int, int]] = {
-    "piano": (15, 45, 35, 55),
-    "electric_piano": (12, 40, 30, 62),
-    "guitar": (8, 35, 25, 50),
-    "organ": (25, 70, 45, 48),
-    "bass": (10, 35, 28, 38),
-    "violin": (22, 75, 55, 58),
-    "synth_lead": (6, 30, 22, 72),
-    "nintendo": (2, 28, 18, 85),
-    "drum_kit": (1, 22, 12, 68),
+DEFAULT_ENVELOPE_BY_INSTRUMENT: dict[str, tuple[int, int, int, int, str, int]] = {
+    "piano": (15, 45, 35, 55, "poly", 0),
+    "electric_piano": (12, 40, 30, 62, "poly", 0),
+    "guitar": (8, 35, 25, 50, "poly", 0),
+    "organ": (25, 70, 45, 48, "poly", 0),
+    "bass": (2, 24, 18, 34, "mono", -1),
+    "violin": (22, 75, 55, 58, "mono", 0),
+    "synth_lead": (6, 30, 22, 72, "poly", 0),
+    "brass": (10, 45, 30, 60, "mono", 0),
+    "nintendo": (1, 24, 15, 85, "poly", 0),
+    "drum_kit": (1, 22, 12, 68, "poly", 0),
 }
 
 PROPERTY_METADATA: dict[str, dict[str, object]] = {
     "title": {"valueType": "text", "tooltip": "Display name spoken and shown for this item.", "maxLength": 80},
     "instrument": {"valueType": "list", "tooltip": "Instrument voice used when playing this piano."},
+    "voiceMode": {"valueType": "list", "tooltip": "Mono plays one note at a time; poly allows chords."},
+    "octave": {
+        "valueType": "number",
+        "tooltip": "Shifts played notes in octaves. -1 is one octave down.",
+        "range": {"min": -2, "max": 2, "step": 1},
+    },
     "attack": {
         "valueType": "number",
         "tooltip": "How quickly notes ramp in. Lower is sharper; higher is softer.",
@@ -90,6 +111,19 @@ def validate_update(_item: WorldItem, next_params: dict) -> dict:
     previous_instrument = str(_item.params.get("instrument", "piano")).strip().lower()
     next_params["instrument"] = instrument
 
+    voice_mode = str(next_params.get("voiceMode", _item.params.get("voiceMode", "poly"))).strip().lower()
+    if voice_mode not in VOICE_MODE_OPTIONS:
+        raise ValueError("voiceMode must be one of: poly, mono.")
+    next_params["voiceMode"] = voice_mode
+
+    try:
+        octave = int(next_params.get("octave", _item.params.get("octave", 0)))
+    except (TypeError, ValueError) as exc:
+        raise ValueError("octave must be an integer between -2 and 2.") from exc
+    if not (-2 <= octave <= 2):
+        raise ValueError("octave must be between -2 and 2.")
+    next_params["octave"] = octave
+
     try:
         attack = int(next_params.get("attack", 15))
     except (TypeError, ValueError) as exc:
@@ -119,7 +153,11 @@ def validate_update(_item: WorldItem, next_params: dict) -> dict:
 
     # When instrument changes, reset envelope to instrument-appropriate defaults.
     if instrument != previous_instrument:
-        attack, decay, release, brightness = DEFAULT_ENVELOPE_BY_INSTRUMENT.get(instrument, (15, 45, 35, 55))
+        attack, decay, release, brightness, voice_mode, octave = DEFAULT_ENVELOPE_BY_INSTRUMENT.get(
+            instrument, (15, 45, 35, 55, "poly", 0)
+        )
+        next_params["voiceMode"] = voice_mode
+        next_params["octave"] = octave
     next_params["attack"] = attack
     next_params["decay"] = decay
     next_params["release"] = release