Workaround - Ups

src/lindbergh/lindbergh.c

@@ -11,6 +11,7 @@
 #define LD_LIBRARY_PATH "LD_LIBRARY_PATH"
 #define LD_PRELOAD "LD_PRELOAD"
 #define PRELOAD_FILE_NAME "lindbergh.so"
+#define PRELOAD_FILE_FLATPAK "/app/lib32/lindbergh.so"
 #define TEAM "bobbydilley, retrofan, dkeruza-neo, doozer, francesco, rolel, caviar-x"
 #define LINDBERGH_CONFIG_PATH "LINDBERGH_CONFIG_PATH"
 
@@ -232,7 +233,7 @@ void testModePath(char *name)
  * Makes sure the environment variables are set correctly
  * to run the game.
  */
-void setEnvironmentVariables()
+void setEnvironmentVariables(int isFlatpak)
 {
     // Ensure the library path is set correctly
     char libraryPath[128] = {0};
@@ -249,7 +250,10 @@ void setEnvironmentVariables()
     setenv(LD_LIBRARY_PATH, libraryPath, 1);
 
     // Ensure the preload path is set correctly
-    setenv(LD_PRELOAD, PRELOAD_FILE_NAME, 1);
+    if (!isFlatpak)
+        setenv(LD_PRELOAD, PRELOAD_FILE_NAME, 1);
+    else
+        setenv(LD_PRELOAD, PRELOAD_FILE_FLATPAK, 1);
 }
 
 /**
@@ -316,9 +320,6 @@ void printVersion() {
  */
 int main(int argc, char *argv[])
 {
-    // Ensure environment variables are set correctly
-    setEnvironmentVariables();
-
     // Check for --version before directory operations
     if (argc > 1 && strcmp(argv[1], "--version") == 0) {
         printVersion();
@@ -338,6 +339,7 @@ int main(int argc, char *argv[])
     char *game = NULL;
 
     int lindberghSharedObjectFound = 0;
+    int isFlatpak = 0;
 
     while ((ent = readdir(dir)) != NULL)
     {
@@ -385,10 +387,22 @@ int main(int argc, char *argv[])
 
     if (!lindberghSharedObjectFound)
     {
-        log_error("The preload object lindbergh.so was not found in this directory.");
+        FILE *file = fopen(PRELOAD_FILE_FLATPAK, "r");
-        return EXIT_FAILURE;
+        if (file)
+        {
+            fclose(file);
+            isFlatpak = 1;
+        }
+        else
+        {
+            log_error("The preload object lindbergh.so was not found in this directory.");
+            return EXIT_FAILURE;
+        }
     }
 
+    // Ensure environment variables are set correctly
+    setEnvironmentVariables(isFlatpak);
+
     // Build up the command to start the game
 
     int testMode = 0;

src/lindbergh/shader_patches.c

@@ -1432,16 +1432,30 @@ int parseCgcArgs(const char *input, const char ***compilerArgs, const char **out
 
 void loadLibCg()
 {
+    int isFlatpak = 0;
     void *handle = dlopen("./libCg.so", RTLD_NOW);
     if (!handle)
     {
-        fprintf(stderr, "Error: Unable to load library libCg.so %s\n", dlerror());
+        handle = dlopen("/app/lib32/libCg2.so", RTLD_NOW);
-        fprintf(stderr, "Error: libCg.so version 2.0 is needed to compile the shaders in the game's folder.\n");
+        if (!handle)
-        exit(1);
+        {
+            fprintf(stderr, "Error: Unable to load library libCg.so %s\n", dlerror());
+            fprintf(stderr, "Error: libCg.so version 2.0 is needed to compile the shaders in the game's folder.\n");
+            exit(1);
+        }
+        else
+        {
+            isFlatpak = 1;
+        }
     }
 
     char libCgVersion[9];
-    FILE *libF = fopen("./libCg.so", "r");
+    FILE *libF;
+    if (isFlatpak)
+        libF = fopen("/app.lib32/libCg.so", "r");
+    else
+        libF = fopen("./libCg.so", "r");
+
     fseek(libF, 0x226d84, SEEK_SET);
     fread(libCgVersion, 9, 1, libF);
     fclose(libF);