125 lines
4.7 KiB
C#
125 lines
4.7 KiB
C#
#if UNITY_EDITOR
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace FMODUnity
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{
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public static class CodeGeneration
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{
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public static void GenerateStaticPluginRegistration(string filePath, Platform platform,
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Action<string> reportError)
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{
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List<string> validatedPlugins = ValidateStaticPlugins(platform.StaticPlugins, reportError);
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using (StreamWriter file = new StreamWriter(filePath))
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{
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WriteStaticPluginRegistration(file, platform.IsFMODStaticallyLinked, validatedPlugins);
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}
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}
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private static void WriteStaticPluginRegistration(StreamWriter file, bool isFMODStaticallyLinked,
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IEnumerable<string> pluginFunctions)
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{
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file.WriteLine("#if ENABLE_IL2CPP");
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file.WriteLine();
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file.WriteLine("// This file was generated by FMOD for Unity from the Static Plugins list in the FMOD settings.");
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file.WriteLine();
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file.WriteLine("using System;");
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file.WriteLine("using System.Runtime.InteropServices;");
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file.WriteLine();
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file.WriteLine("namespace FMODUnity");
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file.WriteLine("{");
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file.WriteLine(" class {0}", Platform.RegisterStaticPluginsClassName);
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file.WriteLine(" {");
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// Import the plugin functions
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foreach (string pluginFunction in pluginFunctions)
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{
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file.WriteLine(" [DllImport(\"__Internal\")]");
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file.WriteLine(" private static extern IntPtr {0}();", pluginFunction);
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file.WriteLine();
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}
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// Import the RegisterDSP function
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file.WriteLine(" [DllImport(FMOD.VERSION.dll)]");
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file.WriteLine(" private static extern FMOD.RESULT FMOD5_System_RegisterDSP(IntPtr system, IntPtr description, IntPtr handle);");
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file.WriteLine();
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file.WriteLine(" public static void {0}(FMOD.System coreSystem, Action<FMOD.RESULT, string> reportResult)",
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Platform.RegisterStaticPluginsFunctionName);
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file.WriteLine(" {");
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if (pluginFunctions.Any())
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{
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file.WriteLine(" FMOD.RESULT result;");
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foreach (string pluginFunction in pluginFunctions)
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{
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file.WriteLine();
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file.WriteLine(" result = FMOD5_System_RegisterDSP(coreSystem.handle, {0}(), IntPtr.Zero);", pluginFunction);
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file.WriteLine(" reportResult(result, \"Registering static plugin '{0}'\");", pluginFunction);
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}
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}
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file.WriteLine(" }");
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file.WriteLine(" }");
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file.WriteLine("}");
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file.WriteLine("");
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file.WriteLine("#endif // ENABLE_IL2CPP");
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}
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private static List<string> ValidateStaticPlugins(List<string> staticPlugins, Action<string> reportError)
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{
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List<string> result = new List<string>();
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for (int i = 0; i < staticPlugins.Count; ++i)
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{
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string functionName = staticPlugins[i];
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string trimmedName = (functionName != null) ? functionName.Trim() : null;
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if (string.IsNullOrEmpty(trimmedName))
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{
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reportError(string.Format("Static plugin {0} has no name and will be ignored.", i + 1));
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}
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else if (IsValidFunctionName(trimmedName, reportError))
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{
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result.Add(trimmedName);
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}
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}
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return result;
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}
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private static bool IsValidFunctionName(string name, Action<string> reportError)
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{
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if (!(char.IsLetter(name[0]) || name[0] == '_'))
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{
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reportError(string.Format(
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"Plugin name '{0}' is not valid. Names must start with a letter or an underscore ('_').", name));
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return false;
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}
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for (int i = 1; i < name.Length; ++i)
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{
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if (!(char.IsLetterOrDigit(name[i]) || name[i] == '_'))
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{
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reportError(string.Format(
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"Plugin name '{0}' is not valid. " +
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"Character '{1}' at position {2} is invalid - it must be a letter, a number, or an underscore ('_').",
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name, name[i], i));
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return false;
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}
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}
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return true;
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}
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}
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}
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#endif
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