/// <summary>
/// Initialises the Lua environment and compiles the Lua string for execution later on.
/// </summary>
protected virtual void InitLuaScript()
{
if (initialised)
{
return;
}
if (luaEnvironment == null)
{
// Create a Lua Environment if none exists yet
luaEnvironment = LuaEnvironment.GetLua();
}
if (luaEnvironment == null)
{
Debug.LogError("No Lua Environment found");
return;
}
// Ensure the LuaEnvironment is initialized before trying to execute code
luaEnvironment.InitEnvironment();
// Cache a descriptive name to use in Lua error messages
friendlyName = GetPath(transform) + ".LuaScript";
string s = GetLuaString();
luaFunction = luaEnvironment.LoadLuaFunction(s, friendlyName);
initialised = true;
}
public override void AddBindings(LuaEnvironment luaEnv)
{
if (!Init())
{
return;
}
MoonSharp.Interpreter.Script interpreter = luaEnv.Interpreter;
Table globals = interpreter.Globals;
if (globals == null)
{
Debug.LogError("Lua globals table is null");
return;
}
// If the fungus global table is defined then add the store to it
Table fungusTable = globals.Get("fungus").Table;
if (fungusTable != null)
{
fungusTable["store"] = primeTable;
}
else
{
// Add the store as a global
globals["store"] = primeTable;
}
}
protected IEnumerator CallLuaClosure(LuaEnvironment luaEnv, Closure callback)
{
yield return(new WaitForEndOfFrame());
if (callback != null)
{
luaEnv.RunLuaFunction(callback, true);
}
}
/// <summary>
/// Initialises the Lua environment and compiles the Lua string for execution later on.
/// </summary>
protected virtual void InitExecuteLua()
{
if (initialised)
{
return;
}
// Cache a descriptive name to use in Lua error messages
friendlyName = gameObject.name + "." + ParentBlock.BlockName + "." + this.GetType().ToString() + " #" + CommandIndex.ToString();
Flowchart flowchart = GetFlowchart();
// See if a Lua Environment has been assigned to this Flowchart
if (luaEnvironment == null)
{
luaEnvironment = flowchart.LuaEnv;
}
// No Lua Environment specified so just use any available or create one.
if (luaEnvironment == null)
{
luaEnvironment = LuaEnvironment.GetLua();
}
string s = GetLuaString();
luaFunction = luaEnvironment.LoadLuaFunction(s, friendlyName);
// Add a binding to the parent flowchart
if (flowchart.LuaBindingName != "")
{
Table globals = luaEnvironment.Interpreter.Globals;
if (globals != null)
{
globals[flowchart.LuaBindingName] = flowchart;
}
}
// Always initialise when playing in the editor.
// Allows the user to edit the Lua script while the game is playing.
if (!(Application.isPlaying && Application.isEditor))
{
initialised = true;
}
}
/// <summary>
/// Adds the option to the list of displayed options, calls a Lua function when selected.
/// Will cause the Menu dialog to become visible if it is not already visible.
/// </summary>
/// <returns><c>true</c>, if the option was added successfully.</returns>
public virtual bool AddOption(string text, bool interactable, LuaEnvironment luaEnv, Closure callBack)
{
if (!gameObject.activeSelf)
{
gameObject.SetActive(true);
}
// Copy to local variables
LuaEnvironment env = luaEnv;
Closure call = callBack;
UnityEngine.Events.UnityAction action = delegate
{
StopAllCoroutines();
// Stop timeout
Clear();
HideSayDialog();
// Use a coroutine to call the callback on the next frame
StartCoroutine(CallLuaClosure(env, call));
};
return(AddOption(text, interactable, false, action));
}
/// <summary>
/// Show a timer during which the player can select an option. Calls a Lua function when the timer expires.
/// </summary>
public virtual IEnumerator ShowTimer(float duration, LuaEnvironment luaEnv, Closure callBack)
{
if (CachedSlider == null ||
duration <= 0f)
{
yield break;
}
CachedSlider.gameObject.SetActive(true);
StopAllCoroutines();
float elapsedTime = 0;
Slider timeoutSlider = CachedSlider;
while (elapsedTime < duration)
{
if (timeoutSlider != null)
{
float t = 1f - elapsedTime / duration;
timeoutSlider.value = t;
}
elapsedTime += Time.deltaTime;
yield return(null);
}
Clear();
gameObject.SetActive(false);
HideSayDialog();
if (callBack != null)
{
luaEnv.RunLuaFunction(callBack, true);
}
}
/// <summary>
/// Add all declared bindings to the globals table.
/// </summary>
public override void AddBindings(LuaEnvironment luaEnv)
{
if (!allEnvironments &&
(luaEnvironment != null && !luaEnvironment.Equals(luaEnv)))
{
// Don't add bindings to this environment
return;
}
MoonSharp.Interpreter.Script interpreter = luaEnv.Interpreter;
Table globals = interpreter.Globals;
Table bindingsTable = null;
if (tableName == "")
{
// Add directly to globals table
bindingsTable = globals;
}
else
{
DynValue res = globals.Get(tableName);
if (res.Type == DataType.Table)
{
// Add to an existing table
bindingsTable = res.Table;
}
else
{
// Create a new table
bindingsTable = new Table(globals.OwnerScript);
globals[tableName] = bindingsTable;
}
}
if (bindingsTable == null)
{
Debug.LogError("Bindings table must not be null");
}
// Register types of bound objects with MoonSharp
if (registerTypes)
{
foreach (string typeName in boundTypes)
{
LuaEnvironment.RegisterType(typeName);
}
}
for (int i = 0; i < boundObjects.Count; ++i)
{
// Ignore empty keys
string key = boundObjects[i].key;
if (key == null ||
key == "")
{
continue;
}
// Check for keys used multiple times
if (bindingsTable.Get(key).Type != DataType.Nil)
{
Debug.LogWarning("An item already exists with the same key as binding '" + key + "'. This binding will be ignored.");
continue;
}
// Ignore bindings with no object set
GameObject go = boundObjects[i].obj as GameObject;
if (go != null)
{
// Register as gameobject / components
Component component = boundObjects[i].component;
if (component == null)
{
// Bind the key to the gameobject
bindingsTable[key] = go;
}
else
{
// Bind the key to the component
bindingsTable[key] = component;
}
}
else
{
// Register as other UnityEngine.Object type
bindingsTable[key] = boundObjects[i].obj;
}
}
}
/// <summary> /// Adds the required bindings to the Lua environment. /// </summary> public abstract void AddBindings(LuaEnvironment luaEnv);
/// <summary>
/// Registers all listed c# types for interop with Lua.
/// You can also register types directly in the Awake method of any
/// monobehavior in your scene using UserData.RegisterType().
/// </summary>
protected virtual void InitTypes()
{
// Always register these FungusLua utilities
LuaEnvironment.RegisterType("Fungus.PODTypeFactory");
LuaEnvironment.RegisterType("Fungus.FungusPrefs");
foreach (TextAsset textFile in registerTypes)
{
if (textFile == null)
{
continue;
}
// Parse JSON file
JSONObject jsonObject = new JSONObject(textFile.text);
if (jsonObject == null ||
jsonObject.type != JSONObject.Type.OBJECT)
{
UnityEngine.Debug.LogError("Error parsing JSON file " + textFile.name);
continue;
}
// Register types with MoonSharp
JSONObject registerTypesArray = jsonObject.GetField("registerTypes");
if (registerTypesArray != null &&
registerTypesArray.type == JSONObject.Type.ARRAY)
{
foreach (JSONObject entry in registerTypesArray.list)
{
if (entry != null &&
entry.type == JSONObject.Type.STRING)
{
string typeName = entry.str.Trim();
if (Type.GetType(typeName) == null)
{
continue;
}
LuaEnvironment.RegisterType(typeName);
}
}
}
// Register extension types with MoonSharp
JSONObject extensionTypesArray = jsonObject.GetField("extensionTypes");
if (extensionTypesArray != null &&
extensionTypesArray.type == JSONObject.Type.ARRAY)
{
foreach (JSONObject entry in extensionTypesArray.list)
{
if (entry != null &&
entry.type == JSONObject.Type.STRING)
{
string typeName = entry.str.Trim();
if (Type.GetType(typeName) == null)
{
continue;
}
LuaEnvironment.RegisterType(typeName, true);
}
}
}
}
}
