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Various C# Script improvements

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Move handling code in a separate file
Add caching ability for low-power devices (rpi..)
Use a distinct API with MCC.MethodName()
Stop script execution only on specific API calls
This commit is contained in:
ORelio 2015-08-23 18:51:24 +02:00
parent ca02c7f2e6
commit 3e2622fbb7
8 changed files with 407 additions and 159 deletions
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96
MinecraftClient/ChatBots/Script.cs
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@ -5,6 +5,7 @@ using System.Text;
using System.Threading;
using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;
namespace MinecraftClient.ChatBots
{
@ -143,8 +144,18 @@ namespace MinecraftClient.ChatBots
tpause = new ManualResetEvent(false);
thread = new Thread(() =>
{
if (!RunCSharpScript() && owner != null)
SendPrivateMessage(owner, "Script '" + file + "' failed to run.");
try
{
CSharpRunner.Run(this, tpause, lines, args);
}
catch (CSharpException e)
{
string errorMessage = "Script '" + file + "' failed to run (" + e.ExceptionType + ").";
LogToConsole(errorMessage);
if (owner != null)
SendPrivateMessage(owner, errorMessage);
LogToConsole(e.InnerException);
}
});
thread.Start();
}
@ -154,7 +165,7 @@ namespace MinecraftClient.ChatBots
{
tpause.Set();
tpause.Reset();
if (thread.Join(100))
if (!thread.IsAlive)
UnloadBot();
}
}
@ -205,84 +216,5 @@ namespace MinecraftClient.ChatBots
}
}
}
private bool RunCSharpScript()
{
//Script compatibility check for handling future versions differently
if (lines.Length < 1 || lines[0] != "//MCCScript 1.0")
{
LogToConsole("Script file '" + file + "' does not start with a valid //MCCScript identifier.");
return false;
}
//Process different sections of the script file
bool scriptMain = true;
List<string> script = new List<string>();
List<string> extensions = new List<string>();
foreach (string line in lines)
{
if (line.StartsWith("//MCCScript"))
{
if (line.EndsWith("Extensions"))
scriptMain = false;
}
else if (scriptMain)
{
script.Add(line);
//Add breakpoints for step-by-step execution of the script
if (tpause != null && line.Trim().EndsWith(";"))
script.Add("tpause.WaitOne();");
}
else extensions.Add(line);
}
//Generate a ChatBot class, allowing access to the ChatBot API
string code = String.Join("\n", new string[]
{
"using System;",
"using System.IO;",
"using System.Threading;",
"using MinecraftClient;",
"namespace ScriptLoader {",
"public class Script : ChatBot {",
"public void __run(ChatBot master, ManualResetEvent tpause, string[] args) {",
"SetMaster(master);",
String.Join("\n", script),
"}",
String.Join("\n", extensions),
"}}",
});
//Compile the C# class in memory using all the currently loaded assemblies
CSharpCodeProvider compiler = new CSharpCodeProvider();
CompilerParameters parameters = new CompilerParameters();
parameters.ReferencedAssemblies
.AddRange(AppDomain.CurrentDomain
.GetAssemblies()
.Where(a => !a.IsDynamic)
.Select(a => a.Location).ToArray());
parameters.CompilerOptions = "/t:library";
parameters.GenerateInMemory = true;
CompilerResults result
= compiler.CompileAssemblyFromSource(parameters, code);
//Process compile warnings and errors
if (result.Errors.Count > 0)
{
LogToConsole("Error loading '" + file + "':\n" + result.Errors[0].ErrorText);
return false;
}
//Run the compiled script with exception handling
object compiledScript = result.CompiledAssembly.CreateInstance("ScriptLoader.Script");
try { compiledScript.GetType().GetMethod("__run").Invoke(compiledScript, new object[] { this, tpause, args }); }
catch (Exception e)
{
LogToConsole("Runtime error for '" + file + "':\n" + e);
return false;
}
return true;
}
}
}