private static void CreateInitFile(string path, string initClassName)
{
using (StreamWriter streamWriter = new StreamWriter(path + initClassName + ".cs"))
{
CodeWriter code = new CodeWriter(streamWriter);
GenerateHeader(code, initClassName);
code.WriteLine("internal static Func<string, IntPtr> GetProcAddress;");
code.WriteLine();
code.WriteLine("public static void Init(Func<string, IntPtr> @procAddress)");
code.WriteOpenBraceAndIndent();
code.WriteLine("GetProcAddress = @procAddress;");
code.WriteCloseBraceAndDedent();
CloseFile(code);
}
}
private static void WriteCommands(CodeWriter code, VariableTypes types, List<string> requiredCommands, Dictionary<GLCommandGroup, List<GLCommand>> commands)
{
code.WriteLine("#region Commands");
int commandIID = requiredCommands.Count;
// Get distinct elements and convert into a list again.
List<string> distinct = requiredCommands.Distinct().ToList();
foreach (var command in distinct)
{
GLCommand obj = FindCommand(commands, command);
if (obj != null)
{
var paramCode = "";
var argsInCall = "";
bool firstParam = true;
foreach (var parameter in obj.GetParameters())
{
if (!firstParam)
{
paramCode += ", ";
argsInCall += ", ";
}
if (firstParam)
{
firstParam = false;
}
paramCode += types.GetCSName(parameter.Value) + " " + parameter.Key.Trim();
argsInCall += (parameter.Value.Contains("ref") ? "ref " : "") + parameter.Key.Trim();
}
code.WriteLine("internal delegate {0} {1}Func({2});", types.GetCSName(obj.returnType), obj.name, paramCode);
code.WriteLine("internal static {0}Func {0}Ptr;", obj.name);
code.WriteLine("internal static void load{0}()", obj.name.Replace("gl", ""));
code.WriteOpenBraceAndIndent();
code.WriteLine("try");
code.WriteOpenBraceAndIndent();
code.WriteLine(string.Format("{0}Ptr = ({0}Func)Marshal.GetDelegateForFunctionPointer(OpenGLInit.GetProcAddress(\"{0}\"), typeof({0}Func));", obj.name));
code.WriteCloseBraceAndDedent();
code.WriteLine("catch");
code.WriteOpenBraceAndIndent();
code.WriteLine("Console.WriteLine(\"Failed to get function pointer for '{0}'.\");", obj.name); // throw new InvalidOperationException
code.WriteCloseBraceAndDedent();
code.WriteCloseBraceAndDedent();
code.WriteLine("public static {0} {1}({2}) => " + "{1}Ptr({3});", types.GetCSName(obj.returnType), obj.name, paramCode, argsInCall); // => " + (returnType != "void" ? "return {1}Ptr({3});" : "{1}Ptr({3});")
if (commandIID > 1)
{
code.WriteLine();
}
commandIID--;
}
}
code.WriteLine("#endregion");
}
private static void CloseFile(CodeWriter code)
{
code.WriteCloseBraceAndDedent();
code.WriteCloseBraceAndDedent();
}
private static void WriteInterop(CodeWriter code, string className, List<string> requiredCommands, Dictionary<GLCommandGroup, List<GLCommand>> commands)
{
code.WriteLine("#region Interop");
code.WriteLine("static {0}()", className);
code.WriteOpenBraceAndIndent();
List<string> writtenInterop = new List<string>();
code.WriteLine("Console.WriteLine(\"Initalising {0} interop methods!\");", className);
code.WriteLine();
code.WriteLine("if (OpenGLInit.GetProcAddress == null)");
code.WriteOpenBraceAndIndent();
code.WriteLine("throw new System.ArgumentException(\"Value OpenGLInit.GetProcAddress cannot be null, call \'OpenGLInit.Init(Func<string, IntPtr> @procAddress)\' before using OpenGl!\", \"OpenGLInit.GetProcAddress\");");
code.WriteCloseBraceAndDedent();
code.WriteLine();
foreach (var command in requiredCommands)
{
GLCommand obj = FindCommand(commands, command);
if (obj != null)
{
code.WriteLine("load{0}();", obj.name.Replace("gl", ""));
}
}
code.WriteCloseBraceAndDedent();
code.WriteLine("#endregion");
code.WriteLine();
}