103 lines
3.1 KiB
GDScript
103 lines
3.1 KiB
GDScript
@tool
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extends RefCounted
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## Converts Godot Variants into values that can be encoded as JSON.
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## Non-finite floats (NaN/INF) have no JSON representation: JSON.stringify
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## emits them as the bare tokens `inf`/`nan`, which are invalid JSON — the
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## server drops the whole frame and the pending request times out (#688).
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## Serialize them as null instead (the same choice web JSON.stringify makes),
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## applied uniformly across the supported 4.5+ floor — no version gate, so
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## wire output is identical on every supported engine.
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static func _safe_float(f: float) -> Variant:
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return f if is_finite(f) else null
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static func serialize(value: Variant) -> Variant:
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if value == null:
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return null
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match typeof(value):
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TYPE_BOOL, TYPE_INT, TYPE_STRING:
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return value
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TYPE_FLOAT:
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return _safe_float(value)
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TYPE_STRING_NAME:
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return str(value)
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# Integer vector types are listed separately from their float twins so
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# int components stay ints on the wire (no float coercion via
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# _safe_float's typed parameter).
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TYPE_VECTOR2I:
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return {"x": value.x, "y": value.y}
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TYPE_VECTOR2:
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return {"x": _safe_float(value.x), "y": _safe_float(value.y)}
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TYPE_VECTOR3I:
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return {"x": value.x, "y": value.y, "z": value.z}
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TYPE_VECTOR3:
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return {"x": _safe_float(value.x), "y": _safe_float(value.y), "z": _safe_float(value.z)}
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TYPE_VECTOR4I:
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return {"x": value.x, "y": value.y, "z": value.z, "w": value.w}
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TYPE_VECTOR4, TYPE_QUATERNION:
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return {
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"x": _safe_float(value.x),
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"y": _safe_float(value.y),
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"z": _safe_float(value.z),
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"w": _safe_float(value.w),
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}
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TYPE_COLOR:
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return {
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"r": _safe_float(value.r),
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"g": _safe_float(value.g),
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"b": _safe_float(value.b),
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"a": _safe_float(value.a),
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}
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TYPE_RECT2, TYPE_RECT2I, TYPE_AABB:
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return {
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"position": serialize(value.position),
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"size": serialize(value.size),
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}
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TYPE_PLANE:
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return {"normal": serialize(value.normal), "d": _safe_float(value.d)}
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TYPE_BASIS:
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return {
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"x": serialize(value.x),
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"y": serialize(value.y),
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"z": serialize(value.z),
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}
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TYPE_TRANSFORM2D:
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return {
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"x": serialize(value.x),
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"y": serialize(value.y),
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"origin": serialize(value.origin),
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}
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TYPE_TRANSFORM3D:
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return {
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"basis": serialize(value.basis),
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"origin": serialize(value.origin),
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}
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TYPE_PROJECTION:
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return {
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"x": serialize(value.x),
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"y": serialize(value.y),
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"z": serialize(value.z),
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"w": serialize(value.w),
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}
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TYPE_NODE_PATH:
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return str(value)
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TYPE_ARRAY, TYPE_PACKED_BYTE_ARRAY, TYPE_PACKED_INT32_ARRAY, TYPE_PACKED_INT64_ARRAY, TYPE_PACKED_FLOAT32_ARRAY, TYPE_PACKED_FLOAT64_ARRAY, TYPE_PACKED_STRING_ARRAY, TYPE_PACKED_VECTOR2_ARRAY, TYPE_PACKED_VECTOR3_ARRAY, TYPE_PACKED_VECTOR4_ARRAY, TYPE_PACKED_COLOR_ARRAY:
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var arr: Array = []
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for item in value:
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arr.append(serialize(item))
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return arr
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TYPE_DICTIONARY:
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var out := {}
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for key in value:
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out[str(key)] = serialize(value[key])
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return out
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TYPE_OBJECT:
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if value is Resource and value.resource_path:
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return value.resource_path
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return str(value)
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_:
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return str(value)
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