/// <summary>
/// Loads a new script and creates a process out of it, then associates it
/// with this virtual machine.
/// </summary>
/// <param name="url">Url of file this script is in.</param>
/// <param name="cache">If set to true this scripts byte code will be cached for quick loading.</param>
public ScriptProcess LoadScript(object url, bool cache)
{
DebugLogger.WriteLog("Loading script into virtual machine from " + url);
HighPreformanceTimer timer = new HighPreformanceTimer();
if (Resources.ResourceManager.ResourceIsCached(url.ToString()))
{
ScriptProcess oldProcess = (ScriptProcess)Resources.ResourceManager.RetrieveResource(url.ToString());
// Create process and hand loading over to it.
ScriptProcess process = new ScriptProcess(this, (ScriptProcess)oldProcess);
process.Url = url as string;
_processes.Add(process);
DebugLogger.WriteLog("Loaded script from cache in "+timer.DurationMillisecond+".");
return process;
}
// Open a stream so we can read in the script.
Stream stream = StreamFactory.RequestStream(url, StreamMode.Open);
if (stream == null) return null;
BinaryReader reader = new BinaryReader(stream);
// Check if this script is already compiled or not.
if (reader.ReadByte() == 'C' && reader.ReadByte() == 'R' && reader.ReadByte() == 'X')
{
// Clean up our file handle.
reader.Close();
stream.Close();
// Create process and hand loading over to it.
ScriptProcess process = new ScriptProcess(this, url);
process.Url = url as string;
_processes.Add(process);
if (cache == true) Resources.ResourceManager.CacheResource(url.ToString(), process);
DebugLogger.WriteLog("Script loaded in " + timer.DurationMillisecond + ".");
return process;
}
else
{
// Clean up our file handle.
reader.Close();
// Compiler script to byte code.
ScriptCompiler compiler = new ScriptCompiler();
if (compiler.Compile(url) > 0)
{
bool serious = false;
foreach (CompileError error in compiler.ErrorList)
if (error.AlertLevel == ErrorAlertLevel.Error || error.AlertLevel == ErrorAlertLevel.FatalError)
serious = true;
if (serious == true)
{
DebugLogger.WriteLog(compiler.ErrorList.Count + " error(s) occured while compiling script from " + url.ToString() + ".");
foreach (CompileError error in compiler.ErrorList)
DebugLogger.WriteLog("\t" + error.ToString());
return null;
}
}
// Create a memory stream and dump the byte code into it.
Stream memoryStream = new MemoryStream();
if (memoryStream == null) return null;
BinaryWriter memoryWriter = new BinaryWriter(memoryStream);
BinaryReader memoryReader = new BinaryReader(memoryStream);
compiler.DumpExecutableFile(memoryWriter);
// Create process and hand loading over to it.
memoryStream.Position = 0;
ScriptProcess process = new ScriptProcess(this, memoryReader);
process.Url = url as string;
_processes.Add(process);
memoryReader.Close();
memoryWriter.Close();
memoryStream.Close();
stream.Close();
if (cache == true) Resources.ResourceManager.CacheResource(url.ToString(), process);
DebugLogger.WriteLog("Script loaded in " + timer.DurationMillisecond + ".");
return process;
}
}
/// <summary>
/// Called by the asset manager whenever a script is modified.
/// </summary>
/// <param name="sender">The script window that invoked this event.</param>
/// <param name="e">Arguments explaining why this event occured.</param>
private void ScriptModified(object sender, EventArgs e)
{
ScriptEditorWindow editorWindow = sender as ScriptEditorWindow;
// Compile the script.
ScriptCompiler compiler = new ScriptCompiler();
bool errorOccured = false;
string errorDescription = "";
if (compiler.Compile(editorWindow.Url) > 0)
foreach (CompileError error in compiler.ErrorList)
if (error.AlertLevel == ErrorAlertLevel.Error || error.AlertLevel == ErrorAlertLevel.FatalError)
{
errorDescription += (errorDescription == "" ? "" : "\n") + error.ToString();
errorOccured = true;
}
// If an error occured notify the user if not then
// insert a new scripted entity into the map.
if (errorOccured == true)
{
MessageBox.Show("Unable to recompile object's script, the following error(s) occured while attempt to compile object's script.\n\n" + errorDescription, "Compile Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
DebugLogger.WriteLog("Object's script recompile aborted. The following error(s) occured while attempting to compile object's script.\n\n" + errorDescription, LogAlertLevel.Warning);
return;
}
foreach (SceneNode node in Engine.Engine.GlobalInstance.Map.SceneGraph.EnumerateNodes())
{
if (node is ScriptedEntityNode == false) continue;
ScriptedEntityNode scriptEntityNode = node as ScriptedEntityNode;
if (scriptEntityNode.ScriptProcess.Url.ToLower() != ((string)editorWindow.Url).ToLower()) continue;
// Dump the compiled code into a memory stream.
MemoryStream memStream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(memStream);
BinaryReader reader = new BinaryReader(memStream);
compiler.DumpExecutableFile(writer);
memStream.Position = 0;
// Store current values of properties so we can set them in the
// new script later.
Hashtable propertyValueTable = new Hashtable();
foreach (Symbol symbol in scriptEntityNode.ScriptProcess.GlobalScope.Symbols)
{
if (symbol is VariableSymbol == false || ((VariableSymbol)symbol).IsProperty == false) continue;
VariableSymbol propertySymbol = symbol as VariableSymbol;
propertyValueTable.Add(propertySymbol.Identifier, propertySymbol);
}
// Create a new scripted entity with the given script attached to it.
ScriptProcess previousScript = scriptEntityNode.ScriptProcess;
scriptEntityNode.ScriptProcess = new ScriptProcess(null, reader);
scriptEntityNode.ScriptProcess.Url = previousScript.Url;
// Free up the streams.
memStream.Close();
reader.Close();
writer.Close();
// Go through each property in this process and set its value to
// the old one (if it exists).
foreach (Symbol symbol in scriptEntityNode.ScriptProcess.GlobalScope.Symbols)
{
if (symbol is VariableSymbol == false || ((VariableSymbol)symbol).IsProperty == false) continue;
VariableSymbol propertySymbol = symbol as VariableSymbol;
if (propertyValueTable.Contains(propertySymbol.Identifier) == true)
{
VariableSymbol previousPropertySymbol = (VariableSymbol)propertyValueTable[propertySymbol.Identifier];
if (previousPropertySymbol.DataType != propertySymbol.DataType) continue;
switch (propertySymbol.DataType.DataType)
{
case DataType.Bool:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetBooleanGlobal(propertySymbol.Identifier));
break;
case DataType.Byte:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetByteGlobal(propertySymbol.Identifier));
break;
case DataType.Double:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetDoubleGlobal(propertySymbol.Identifier));
break;
case DataType.Float:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetFloatGlobal(propertySymbol.Identifier));
break;
case DataType.Int:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetIntegerGlobal(propertySymbol.Identifier));
break;
case DataType.Long:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetLongGlobal(propertySymbol.Identifier));
break;
case DataType.Short:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetShortGlobal(propertySymbol.Identifier));
break;
case DataType.String:
scriptEntityNode.ScriptProcess[0].SetGlobalVariable(propertySymbol.Identifier, previousScript[0].GetStringGlobal(propertySymbol.Identifier));
break;
}
}
}
if (_entityPropertiesWindow != null && _entityPropertiesWindow.Entity == node)
_entityPropertiesWindow.SyncronizeData();
}
}
/// <summary>
/// Copys a directory tree from one location to another, unlike the one in IOMethods this
/// one will also increment a progress bar as it copys the directory tree.
/// </summary>
/// <param name="from">The source directory tree.</param>
/// <param name="to">The destination path of the directory tree.</param>
private void CopyDirectoryWithProgress(string from, string to)
{
// Append a directory seperator to the end of the path.
if (to[to.Length - 1] != Path.DirectorySeparatorChar)
to += Path.DirectorySeparatorChar;
// If the destination directory does not exist then create it.
if (Directory.Exists(to) == false) Directory.CreateDirectory(to);
// Retrieve all the files in the directory to be copied.
string[] files = Directory.GetFileSystemEntries(from);
// Update the progress bar.
DebugLogger.WriteLog("Copying directory \"" + from + "\"...");
_subTaskProgress = 0;
_subTask = "Copying directory: " + from;
_logStack.Push(_subTask);
// Go through each sub directory and file and copy it.
int index = 1;
foreach (string file in files)
{
if (Directory.Exists(file) == true)
CopyDirectoryWithProgress(file, to + Path.GetFileName(file));
else
{
_logStack.Push("Copying file \"" + file + "\"...");
// Check if its a script file which would mean we have to compile it.
if (file.ToLower().EndsWith(".fs") == true || file.ToLower().EndsWith(".fso") == true)
{
// See if we should compile it or not.
if (_compileScripts == true)
{
// Create a compile and compile the script.
ScriptCompiler compiler = new ScriptCompiler();
_logStack.Push("Compiling script \"" + file + "\"...");
// If there are any errors when compiling the script yell
// at the user.
string errorMessage = "";
bool showErrorMessage = false;
if (compiler.Compile(file, _compileFlags, _scriptDefineList, _scriptIncludePathList) > 0)
{
errorMessage = compiler.ErrorList.Count + " errors occured while compiling the script \""+file+"\" \n\n";
foreach (CompileError error in compiler.ErrorList)
{
if (error.AlertLevel == ErrorAlertLevel.Error ||
error.AlertLevel == ErrorAlertLevel.FatalError ||
(error.AlertLevel == ErrorAlertLevel.Warning && _treatWarningsAsErrors == true) ||
(error.AlertLevel == ErrorAlertLevel.Message && _treatMessagesAsErrors == true)
) showErrorMessage = true;
errorMessage += error.ToString() + "\n";
}
}
if (showErrorMessage == true)
{
DebugLogger.WriteLog(errorMessage, LogAlertLevel.Error);
_logStack.Push(errorMessage);
}
// Dump the compiled byte code to the build directory.
if (showErrorMessage == false)
compiler.DumpExecutableFile(to + Path.GetFileName(file));
}
// Copy the source code if we have been told to keep it.
if (_keepScriptSource == true)
File.Copy(file, to + Path.GetFileName(file), true);
}
// Check if its a script script file.
else if (file.ToLower().EndsWith(".fsl") == true)
{
if (_keepScriptSource == true)
File.Copy(file, to + Path.GetFileName(file), true);
}
// Its a normal file so we can just ignore it.
else
File.Copy(file, to + Path.GetFileName(file), true);
}
_subTaskProgress = (int)(((float)index / (float)files.Length) * 100.0f);
_subTask = "Copying directory: " + from;
}
}
/// <summary>
/// Inserts the current object into the map at the cursors position (or center-screen -
/// - if this is not the active window) at the highest level on the scene graph
/// </summary>
private void InsertCurrentObject(bool inCenter, string overrideObjectURL)
{
string objectURL = overrideObjectURL != "" ? overrideObjectURL : _assetManagerWindow.SelectedObjectURL;
EntityNode entity = null;
// Keep a log of this insertion.
DebugLogger.WriteLog("Inserting object of type '" + objectURL + "' into map");
// Check the extension to see if this is a built-in object or not.
if (objectURL.IndexOf(".fso") >= 0)
{
// Compile the script.
ScriptCompiler compiler = new ScriptCompiler();
bool errorOccured = false;
string errorDescription = "\t";
if (compiler.Compile(objectURL) > 0)
foreach (CompileError error in compiler.ErrorList)
if (error.AlertLevel == ErrorAlertLevel.Error || error.AlertLevel == ErrorAlertLevel.FatalError)
{
errorDescription += (errorDescription == "" ? "" : "\n\t") + error.ToString();
errorOccured = true;
}
// If an error occured notify the user if not then
// insert a new scripted entity into the map.
if (errorOccured == true)
{
MessageBox.Show("Unable to insert object into map, the following error(s) occured while attempt to compile this objects script.\n\n"+errorDescription,"Compile Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
DebugLogger.WriteLog("Object insertion aborted. The following error(s) occured while attempting to compile this objects script.\n\n" + errorDescription, LogAlertLevel.Warning);
}
else
{
// Dump the compiled code into a memory stream.
MemoryStream memStream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(memStream);
BinaryReader reader = new BinaryReader(memStream);
compiler.DumpExecutableFile(writer);
memStream.Position = 0;
// Create a new scripted entity with the given script attached to it.
ScriptedEntityNode scriptedEntity = new ScriptedEntityNode();
entity = scriptedEntity;
entity.RenderMode = EntityRenderMode.Rectangle;
entity.BoundingRectangle = new Rectangle(0, 0, 16, 16);
entity.Width = 16;
entity.Height = 16;
entity.Name = Path.GetFileNameWithoutExtension(objectURL);
ScriptProcess process = new ScriptProcess(VirtualMachine.GlobalInstance, reader);
process.Url = objectURL;
if (process.DefaultEditorState != null)
process.ChangeState(process.DefaultEditorState.Identifier);
else
process.State = null;
scriptedEntity.ScriptProcess = process;
// Are we allowed to place the entity?
bool canPlace = true;
string placeError = "This entity has been flagged as unplaceable. Please choose another or check this objects script.";
foreach (Define define in process.Defines)
{
switch (define.Ident.ToUpper())
{
case "UNPLACEABLE":
canPlace = false;
break;
case "UNPLACEABLE_ERROR":
placeError = define.Value;
break;
}
}
if (canPlace == false)
{
MessageBox.Show(placeError, "Unplaceable", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
Engine.Engine.GlobalInstance.Map.SceneGraph.RootNode.AddChild(entity);
// Invoke OnCreate event.
scriptedEntity.ScriptProcess[0].InvokeFunction("OnCreate", true, false);
// Free up the streams.
memStream.Close();
reader.Close();
writer.Close();
}
}
// Its built in so create the object requested.
else
{
switch (objectURL.ToLower())
{
case "tilemap segment":
TilemapSegmentNode segment = new TilemapSegmentNode(8, 8, 16, 16);
Engine.Engine.GlobalInstance.Map.SceneGraph.RootNode.AddChild(segment);
segment.IsGridVisible = true;
entity = segment;
break;
case "emitter":
entity = new EmitterNode();
Engine.Engine.GlobalInstance.Map.SceneGraph.RootNode.AddChild(entity);
entity.BoundingRectangle = new Rectangle(0, 0, 16, 16);
entity.Width = 16;
entity.Height = 16;
break;
case "entity":
entity = new EntityNode();
Engine.Engine.GlobalInstance.Map.SceneGraph.RootNode.AddChild(entity);
entity.BoundingRectangle = new Rectangle(0, 0, 16, 16);
entity.Width = 16;
entity.Height = 16;
break;
case "path marker":
entity = new PathMarkerNode();
Engine.Engine.GlobalInstance.Map.SceneGraph.RootNode.AddChild(entity);
entity.BoundingRectangle = new Rectangle(0, 0, 16, 16);
entity.Width = 16;
entity.Height = 16;
entity.Image = _pathMarkerImage;
entity.RenderMode = EntityRenderMode.Image;
entity.Name = "Path Marker " + MathMethods.Random(MathMethods.Random(0, 10000), MathMethods.Random(10000, 10000000));
foreach (EntityNode selEntity in _selectedEntityList)
if (selEntity is PathMarkerNode && ((PathMarkerNode)selEntity).NextNodeName == "")
{
((PathMarkerNode)selEntity).NextNode = (PathMarkerNode)entity;
((PathMarkerNode)selEntity).NextNodeName = entity.Name;
}
break;
}
}
if (entity == null) return;
// Find the correct position for our new entity.
int mapX, mapY;
if (inCenter == false)
{
mapX = (int)Editor.GlobalInstance.CameraNode.Transformation.X + (int)((mousePositionBeforeRightClick[0] / Editor.GlobalInstance.CameraNode.Zoom));
mapY = (int)Editor.GlobalInstance.CameraNode.Transformation.Y + (int)((mousePositionBeforeRightClick[1] / Editor.GlobalInstance.CameraNode.Zoom));
}
else
{
mapX = (int)Editor.GlobalInstance.CameraNode.Transformation.X + (int)(((mapPanel.ClientSize.Width - entity.BoundingRectangle.Width) / 2) / Editor.GlobalInstance.CameraNode.Zoom);
mapY = (int)Editor.GlobalInstance.CameraNode.Transformation.Y + (int)(((mapPanel.ClientSize.Height - entity.BoundingRectangle.Height) / 2) / Editor.GlobalInstance.CameraNode.Zoom);
}
if (_snapToGrid == true)
{
mapX = (mapX / _gridWidth) * _gridWidth;
mapY = (mapY / _gridHeight) * _gridHeight;
}
entity.Position(mapX, mapY, 0.0f);
entity.IsBoundingBoxVisible = _viewBoundingBoxs;
entity.IsEventLinesVisible = _viewEventLines;
entity.IsCollisionBoxVisible = _viewCollisionBoxs;
entity.ForceVisibility = true;
ClearSelection();
AddEntityToSelection(entity);
// Update the scene graph window if it exists.
if (_sceneGraphWindow != null) _sceneGraphWindow.SyncronizeData();
// Update this entitys event nodes and the event nodes of others.
foreach (SceneNode node in Engine.Engine.GlobalInstance.Map.SceneGraph.EnumerateNodes())
{
EntityNode subNode = node as EntityNode;
if (subNode == null) continue;
if (subNode.Event.ToLower() == entity.Name.ToString().ToLower()) subNode.EventNodes.Add(entity);
}
PushUndoOperation(new InsertNodesUndoOperation(new SceneNode[] { entity }));
SyncronizeWindow();
_mapChangedSinceSave = true;
}
/// <summary>
/// Compiles the given directory to the current pak file.
/// </summary>
/// <param name="from">Directory to compile.</param>
private void CompileDirectoryToPak(string from)
{
// Retrieve all the files in the directory to be copied.
string[] files = Directory.GetFileSystemEntries(from);
if (from != Directory.GetCurrentDirectory() && from.ToLower().StartsWith(Directory.GetCurrentDirectory().ToLower()))
from = from.Substring(Directory.GetCurrentDirectory().Length + 1);
// Update the progress bar.
_subTaskProgress = 0;
_subTask = "Paking directory: " + from;
_logStack.Push(_subTask);
DebugLogger.WriteLog("Paking directory \"" + from + "\"...");
// Go through each sub directory and file and copy it.
int index = 1;
foreach (string subFile in files)
{
string file = subFile;
if (file.ToLower().StartsWith(Directory.GetCurrentDirectory().ToLower()))
file = file.Substring(Directory.GetCurrentDirectory().Length + 1);
if (Directory.Exists(file) == true)
CompileDirectoryToPak(file);
else
{
DebugLogger.WriteLog("Paking file \"" + file + "\"...");
_logStack.Push("Paking file \"" + file + "\"...");
// Check if its a script file which would mean we have to compile it.
if (file.ToLower().EndsWith(".fso") == true || file.ToLower().EndsWith(".fs") == true)
{
// See if we should compile it or not.
if (_compileScripts == true)
{
// Create a compile and compile the script.
ScriptCompiler compiler = new ScriptCompiler();
DebugLogger.WriteLog("Compiling script \"" + file + "\"...");
_logStack.Push("Compiling script \"" + file + "\"...");
// If there are any errors when compiling the script yell
// at the user.
string errorMessage = "";
bool showErrorMessage = false;
if (compiler.Compile(file, _compileFlags, _scriptDefineList, _scriptIncludePathList) > 0)
{
errorMessage = compiler.ErrorList.Count + " errors occured while compiling the script \"" + file + "\" \n\n";
foreach (CompileError error in compiler.ErrorList)
{
if (error.AlertLevel == ErrorAlertLevel.Error ||
error.AlertLevel == ErrorAlertLevel.FatalError ||
(error.AlertLevel == ErrorAlertLevel.Warning && _treatWarningsAsErrors == true) ||
(error.AlertLevel == ErrorAlertLevel.Message && _treatMessagesAsErrors == true)
) showErrorMessage = true;
errorMessage += error.ToString() + "\n";
}
}
if (showErrorMessage == true)
{
DebugLogger.WriteLog(errorMessage, LogAlertLevel.Error);
_logStack.Push(errorMessage);
}
// Dump the compiled byte code to a temporary folder and set its path
// as this files path.
if (showErrorMessage == false)
{
string tempFile = Path.GetTempFileName();
compiler.DumpExecutableFile(tempFile);
PakFile(tempFile, file);
}
// Copy the source code if we have been told to keep it.
if (_keepScriptSource == true)
PakFile(file, file + ".source");
}
else
{
PakFile(file, file);
}
}
// Check if its a library script file.
else if (file.ToLower().EndsWith(".fsl") == true)
{
if (_keepScriptSource == true)
PakFile(file, file);
}
// Its a normal file so pak it normally.
else
PakFile(file, file);
}
_subTaskProgress = (int)((100.0f / (float)files.Length) * index);
_subTask = "Compiling directory: " + from;
}
}