initial commit

demo/addons/onebit_lua/onebit_lua.gdextension

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+[configuration]
+
+entry_symbol = "onebit_lua_library_init"
+compatibility_minimum = "4.6"
+
+[libraries]
+
+linux.debug.x86_64 = "res://addons/onebit_lua/bin/libonebit_lua.linux.template_debug.x86_64.so"
+linux.release.x86_64 = "res://addons/onebit_lua/bin/libonebit_lua.linux.template_release.x86_64.so"

demo/addons/onebit_lua/onebit_lua.gdextension.uid

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+uid://cokyuf5lvnqgw

demo/project.godot

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+config_version=5
+
+[application]
+
+config/name="OneBit Lua Runtime Demo"
+run/main_scene="res://test_runtime.tscn"
+config/features=PackedStringArray("4.6")
+
+[native_extensions]
+
+paths=["res://addons/onebit_lua/onebit_lua.gdextension"]

demo/test_runtime.gd

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+extends Node
+
+
+class QueryHost:
+	extends RefCounted
+
+	func lua_query(_entity_id: int, query_name: String, params: Dictionary) -> Variant:
+		print("lua_query: ", query_name, " ", params)
+		match query_name:
+			"sense.is_walkable":
+				return params.get("x", 0) == 2 and params.get("y", 0) == 3
+			"sense.find_nearest":
+				return {
+					"entity_id": 7,
+					"distance": 4,
+					"world_x": 32.0,
+					"world_y": 48.0,
+					"group": params.get("group", ""),
+				}
+			_:
+				return null
+
+
+var query_host := QueryHost.new()
+
+
+func _ready() -> void:
+	var rt := OneBitLuaRuntime.new()
+	rt.set_entity_id(42)
+	rt.set_query_host(query_host)
+	rt.set_instruction_budget(10000)
+
+	var loaded := rt.load_string("""
+return {
+	api_version = 2,
+
+	on_update = function(ctx, state)
+		state.count = (state.count or 0) + 1
+		if not ctx.self.is_moving and sense.is_walkable(2, 3) then
+			local nearest = sense.find_nearest("players")
+			move.step(1, 0)
+			log.say("tick", 1.0)
+		end
+	end
+}
+""")
+	if not loaded.ok:
+		push_error("load_string failed: " + str(loaded.error))
+		get_tree().quit(1)
+		return
+
+	var ctx := {
+		"self": {
+			"is_moving": false,
+		},
+	}
+	var state := {}
+	var result := rt.call_event("on_update", ctx, state, [])
+	if not result.ok:
+		push_error("call_event failed: " + str(result.error))
+		get_tree().quit(1)
+		return
+
+	if result.commands.size() != 1 or result.logs.size() != 1 or result.state.get("count", 0) != 1:
+		push_error("unexpected result: " + str(result))
+		get_tree().quit(1)
+		return
+
+	print("OneBitLuaRuntime smoke test passed: ", result)
+	get_tree().quit(0)

demo/test_runtime.gd.uid

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+uid://du60k7ew85w0j

demo/test_runtime.tscn

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+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://test_runtime.gd" id="1"]
+
+[node name="TestRuntime" type="Node"]
+script = ExtResource("1")