121 lines
5.3 KiB
Haxe
121 lines
5.3 KiB
Haxe
package funkin.backend.utils;
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import lime.app.Application;
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/**
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* Small util that allows you to load any function from ndlls via `getFunction`.
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*
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* NDLLs must be in your mod's "ndlls" folder, and must follow this name scheme:
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* - `name-windows.ndll` for Windows targeted ndlls
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* - `name-linux.ndll` for Linux targeted ndlls
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* - `name-mac.ndll` for Mac targeted ndlls
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*
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* If:
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* - The platform does not support NDLLs
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* - The NDLL is not found
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* - The Function cannot be found in the NDLL
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* then an empty function will be returned instead, and a message will be shown in logs.
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*/
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class NdllUtil {
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#if NDLLS_SUPPORTED
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#if windows public static final os:String = "windows"; #end
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#if linux public static final os:String = "linux"; #end
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#if macos public static final os:String = "mac"; #end
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#if android public static final os:String = "android"; #end
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#end
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/**
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* Returns an function from a Haxe NDLL.
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* Limited to 20 argument due to a limitation
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*
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* @param ndll Name of the NDLL.
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* @param name Name of the function.
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* @param args Number of arguments of that function.
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*/
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public static function getFunction(ndll:String, name:String, args:Int):Dynamic {
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#if NDLLS_SUPPORTED
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var func:Dynamic = getFunctionFromPath(Paths.ndll('$ndll-$os'), name, args);
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// I hate this code below, at least it wasnt 390625 switch cases, but like reflect.callmethod doesnt work with c++ functions
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return Reflect.makeVarArgs(function(_args:Array<Dynamic>) {
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var arg0:Dynamic = _args.length > 0 ? _args[0] : null;
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var arg1:Dynamic = _args.length > 1 ? _args[1] : null;
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var arg2:Dynamic = _args.length > 2 ? _args[2] : null;
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var arg3:Dynamic = _args.length > 3 ? _args[3] : null;
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var arg4:Dynamic = _args.length > 4 ? _args[4] : null;
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var arg5:Dynamic = _args.length > 5 ? _args[5] : null;
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var arg6:Dynamic = _args.length > 6 ? _args[6] : null;
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var arg7:Dynamic = _args.length > 7 ? _args[7] : null;
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var arg8:Dynamic = _args.length > 8 ? _args[8] : null;
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var arg9:Dynamic = _args.length > 9 ? _args[9] : null;
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var arg10:Dynamic = _args.length > 10 ? _args[10] : null;
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var arg11:Dynamic = _args.length > 11 ? _args[11] : null;
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var arg12:Dynamic = _args.length > 12 ? _args[12] : null;
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var arg13:Dynamic = _args.length > 13 ? _args[13] : null;
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var arg14:Dynamic = _args.length > 14 ? _args[14] : null;
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var arg15:Dynamic = _args.length > 15 ? _args[15] : null;
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var arg16:Dynamic = _args.length > 16 ? _args[16] : null;
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var arg17:Dynamic = _args.length > 17 ? _args[17] : null;
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var arg18:Dynamic = _args.length > 18 ? _args[18] : null;
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var arg19:Dynamic = _args.length > 19 ? _args[19] : null;
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return switch(_args.length) {
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case 0: func();
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case 1: func(arg0);
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case 2: func(arg0, arg1);
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case 3: func(arg0, arg1, arg2);
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case 4: func(arg0, arg1, arg2, arg3);
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case 5: func(arg0, arg1, arg2, arg3, arg4);
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case 6: func(arg0, arg1, arg2, arg3, arg4, arg5);
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case 7: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6);
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case 8: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
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case 9: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
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case 10: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
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case 11: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
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case 12: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
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case 13: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
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case 14: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13);
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case 15: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14);
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case 16: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15);
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case 17: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16);
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case 18: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17);
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case 19: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18);
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case 20: func(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19);
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default: throw "Too many arguments";
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};
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//return Reflect.callMethod(null, func, _args);
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});
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#else
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Logs.trace('NDLLs are not supported on this platform.', WARNING);
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return noop;
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#end
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}
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/**
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* Returns an function from a Haxe NDLL at specified path.
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*
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* @param ndll Asset path to the NDLL.
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* @param name Name of the function.
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* @param args Number of arguments of that function.
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*/
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public static function getFunctionFromPath(ndll:String, name:String, args:Int):Dynamic {
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#if NDLLS_SUPPORTED
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if (!Assets.exists(ndll)) {
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Logs.trace('Couldn\'t find ndll at ${ndll}.', WARNING);
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return noop;
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}
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var func = lime.system.CFFI.load(Assets.getPath(ndll), name, args);
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if (func == null) {
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Logs.trace('Method ${name} in ndll ${ndll} with ${args} args was not found.', ERROR);
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return noop;
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}
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return func;
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#else
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Logs.trace('NDLLs are not supported on this platform.', WARNING);
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#end
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return noop;
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}
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@:dox(hide) @:noCompletion static function noop() {}
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} |