Pass commandline arguments to the game process

Closes #4

injector/src/injector.c

@@ -7,29 +7,43 @@
 const char LAUNCHER_INJECT_DLL[] = "launcher_payload.dll";
 const char GAME_INJECT_DLL[] = "game_payload.dll";
 
+#define SHIFT(argc, argv) argc--, argv++
+
 int main(int argc, char **argv) {
     // Read arguments
     char *gamePath = NULL;
     char *launcherPath = NULL;
 
+    // Skip executable
+    SHIFT(argc, argv);
+    
     switch (argc) {
-        case 1:
+        case 0:
             printf("Usage: wine jadeite.exe [game path] <launcher path>\n");
             return 0;
-        case 2:
-            printf("No launcher process specified! Using explorer.exe\n");
-            gamePath = argv[1];
-            launcherPath = "C:\\Windows\\explorer.exe";
-            break;
-        case 3:
-            gamePath = argv[1];
-            launcherPath = argv[2];
+        case 1:
+            gamePath = argv[0];
+            SHIFT(argc, argv);
+
+            launcherPath = "--";
+
             break;
         default:
-            fprintf(stderr, "Too many arguments! (%d)\n", argc);
-            return 1;
+            gamePath = argv[0];
+            SHIFT(argc, argv);
+
+            launcherPath = argv[0];
+            SHIFT(argc, argv);
+
+            break;
     }
 
+    // Default launcher path
+    if (strcmp(launcherPath, "--") == 0) {
+        printf("No launcher process specified! Using explorer.exe\n");
+        launcherPath = "C:\\Windows\\explorer.exe";
+    } 
+
     // cd into the injector directory
     char injectorPath[MAX_PATH];
     GetModuleFileNameA(GetModuleHandleA(NULL), injectorPath, sizeof(injectorPath));
@@ -48,13 +62,26 @@ int main(int argc, char **argv) {
     char launcherPayloadPath[MAX_PATH];
     GetFullPathNameA(LAUNCHER_INJECT_DLL, sizeof(launcherPayloadPath), launcherPayloadPath, NULL);
 
-    printf("Starting '%s' via '%s'\n", gameExePath, launcherPath);
+    // Construct commandline for the game process
+    char cmdline[8192];
+    sprintf(cmdline, "\"%s\"", gameExePath);
+
+    while (argc) {
+        char arg[8192];
+        sprintf(arg, " \"%s\"", argv[0]);
+        strcat(cmdline, arg);
+
+        SHIFT(argc, argv);
+    }
 
     // Set envvars
     SetEnvironmentVariableA(ENV_EXE_PATH, gameExePath);
     SetEnvironmentVariableA(ENV_DLL_PATH, gamePayloadPath);
+    SetEnvironmentVariableA(ENV_PROC_CMD, cmdline);
 
     // Start the launcher
+    printf("Starting '%s' via '%s'\n", gameExePath, launcherPath);
+
     STARTUPINFO si;
     ZeroMemory(&si, sizeof(si));