public async Task LoadWasmFromUrl(string url, ContentsStore contentsStore = null, List <string> args = null)
{
var httpClient = new HttpClient();
var result = await httpClient.GetAsync(url);
if (result.IsSuccessStatusCode)
{
var stream = await result.Content.ReadAsStreamAsync();
LoadWasm(stream, contentsStore, args);
}
}
private void Awake()
{
contentsStore = new ContentsStore()
{
RootTransform = transform
};
var resourceObject = new GameObject("resource");
resourceObject.transform.localScale = Vector3.zero;
// resourceObject.SetActive(false);
resourceRoot = resourceObject.transform;
resourceRoot.SetParent(transform, false);
if (!string.IsNullOrEmpty(path))
{
_ = LoadAsync(path);
}
}
protected void LoadWasm(WasmFile file, ContentsStore store = null, List <string> args = null)
{
if (store == null)
{
store = new ContentsStore();
}
var importer = new PredefinedImporter();
var wasiFunctions = new List <string>()
{
//"proc_exit",
"fd_prestat_get",
"fd_prestat_dir_name",
// "random_get",
"abort",
};
importer.DefineFunction("proc_exit",
new DelegateFunctionDefinition(
new WasmValueType[] { WasmValueType.Int32 },
new WasmValueType[] { },
x => new object[0]
));
importer.DefineFunction("clock_time_get",
new DelegateFunctionDefinition(
new WasmValueType[] { WasmValueType.Int32, WasmValueType.Int64, WasmValueType.Int32 },
new WasmValueType[] { WasmValueType.Int32 },
GetTime
));
foreach (var wasiFunction in wasiFunctions)
{
importer.DefineFunction(wasiFunction,
new DelegateFunctionDefinition(
new WasmValueType[] { },
new WasmValueType[] { },
x => ReturnValue.FromObject(0)
));
}
importer.DefineFunction("random_get",
new DelegateFunctionDefinition(
ValueType.PointerAndPointer,
ValueType.Int,
x => ReturnValue.FromObject(0)
));
var element = new Element()
{
GameObject = gameObject
};
// WASI functions
if (args == null)
{
args = new List <string>();
}
var scriptName = "";
args.Insert(0, scriptName);
var envs = new List <string>();
var argsBinding = new ArgsBinding(element, store, args, envs);
importer.IncludeDefinitions(argsBinding.Importer);
var fileDescriptorBinding = new FileDescriptorBinding(element, store);
importer.IncludeDefinitions(fileDescriptorBinding.Importer);
// Spirare functions
var debugBinding = new DebugBinding(element, store);
importer.IncludeDefinitions(debugBinding.Importer);
var gameObjectBinding = new GameObjectBinding(element, store, context, mainThread);
importer.IncludeDefinitions(gameObjectBinding.Importer);
var transformBinding = new TransformBinding(element, store, context, mainThread);
importer.IncludeDefinitions(transformBinding.Importer);
var physicsBinding = new PhysicsBinding(element, store, context, mainThread);
importer.IncludeDefinitions(physicsBinding.Importer);
var textBinding = new TextBinding(element, store, context, mainThread);
importer.IncludeDefinitions(textBinding.Importer);
var timeBinding = new TimeBinding(element, store);
importer.IncludeDefinitions(timeBinding.Importer);
try
{
module = ModuleInstance.Instantiate(file, importer);
argsBinding.ModuleInstance = module;
fileDescriptorBinding.ModuleInstance = module;
gameObjectBinding.ModuleInstance = module;
debugBinding.ModuleInstance = module;
textBinding.ModuleInstance = module;
var exportedFunctions = module.ExportedFunctions;
exportedFunctions.TryGetValue("start", out startFunction);
exportedFunctions.TryGetValue("update", out updateFunction);
exportedFunctions.TryGetValue("on_use", out onUseFunction);
exportedFunctions.TryGetValue("on_select", out onSelectFunction);
exportedFunctions.TryGetValue("on_equip", out onEquipFunction);
exportedFunctions.TryGetValue("on_unequip", out onEquipFunction);
}
catch (Exception e)
{
Debug.LogError(e);
}
}
public void LoadWasm(Stream stream, ContentsStore store = null, List <string> args = null)
{
var file = WasmFile.ReadBinary(stream);
LoadWasm(file, store, args);
}