Add support for commandline options (--help | number preset to load)

Author: brummer10

NeuralRack/standalone/NeuralRack.cc

@@ -513,18 +513,21 @@ class NeuralRack : public TextEntry
         // fprintf(stderr, "%d %s\n", key->keycode, buf);
         if((status || isNumPad) && (key->state & ShiftMask || std::isdigit(buf[0]))){
             int v = key->keycode;
-            // numpad keycode to num
-            if (v == 79) v = 7;
-            else if (v == 80) v = 8;
-            else if (v == 81) v = 9;
-            else if (v == 83) v = 4;
-            else if (v == 84) v = 5;
-            else if (v == 85) v = 6;
-            else if (v == 87) v = 1;
-            else if (v == 88) v = 2;
-            else if (v == 89) v = 3;
-            else if (v == 90) v = 0;
-            else v -= 9;
+            // map numpad keycode to number
+            if (isNumPad) {
+                if (v == 79) v = 7;
+                else if (v == 80) v = 8;
+                else if (v == 81) v = 9;
+                else if (v == 83) v = 4;
+                else if (v == 84) v = 5;
+                else if (v == 85) v = 6;
+                else if (v == 87) v = 1;
+                else if (v == 88) v = 2;
+                else if (v == 89) v = 3;
+                else if (v == 90) v = 0;
+            } else {
+                v -= 9;
+            }
             if (v > 9) v = 0;
             if (key->state & ShiftMask) {
                 v += 10;

NeuralRack/standalone/main.cpp

@@ -80,6 +80,21 @@ void signal_handler (int sig) {
 
 int main(int argc, char *argv[]){
 
+    if (argc > 1) {
+        std::string cmd = argv[1];
+        if ((cmd.compare("--help") == 0) || (cmd.compare("-h") == 0)) {
+            std::cout << "  _  _                   _ ___         _   " << std::endl;
+            std::cout << " | \\| |___ _  _ _ _ __ _| | _ \\__ _ __| |__" << std::endl;
+            std::cout << " | .` / -_) || | '_/ _` | |   / _` / _| / /" << std::endl;
+            std::cout << " |_|\\_\\___|\\_,_|_| \\__,_|_|_|_\\__,_\\__|_\\_\\" << std::endl;
+            std::cout << "                                           " << std::endl;
+            std::cout << " a Neural Model and Impulse Response File loader for Linux/Windows " << std::endl;
+            std::cout << " written by Hermann Meyer under the BSD 3-Clause License " << std::endl;
+            std::cout << " For help pleas visit: https://github.com/brummer10/NeuralRack/issues" << std::endl;
+            return 0;
+        }
+    }
+
     #if defined(__linux__) || defined(__FreeBSD__) || \
         defined(__NetBSD__) || defined(__OpenBSD__)
     #if defined(PAWPAW)
@@ -122,6 +137,10 @@ int main(int argc, char *argv[]){
     startJack();
     #endif
 
+    if (argc > 1) {
+        r->loadPreset((*argv[1]) -'0');
+    }
+
     main_run(r->getMain());
 
     #if defined(HAVE_PA)