From dc416cecf883ac0e7df364d21bcdee6cf9d0cea4 Mon Sep 17 00:00:00 2001
From: Agent X <44549182+AgentXLP@users.noreply.github.com>
Date: Sat, 11 Jan 2025 13:12:34 -0500
Subject: [PATCH] Add enable/disable mod launch parameters

---
 src/pc/cliopts.c    | 15 ++++++++++++++-
 src/pc/cliopts.h    |  3 +++
 src/pc/configfile.c | 20 ++++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/src/pc/cliopts.c b/src/pc/cliopts.c
index 2f444d126..af232cda1 100644
--- a/src/pc/cliopts.c
+++ b/src/pc/cliopts.c
@@ -27,7 +27,9 @@ static void print_help(void) {
     printf("--client IP PORT        Starts the game and joins an existing server.\n");
     printf("--playername PLAYERNAME Starts the game with a specific playername.\n");
     printf("--skip-update-check     Skips the update check when loading the game.\n");
-    printf("--no-discord            Disables discord integration.");
+    printf("--no-discord            Disables discord integration.\n");
+    printf("--disable-mods          Disables all mods that are already enabled.\n");
+    printf("--enable-mod MODNAME    Enables a mod.");
 }
 
 static inline int arg_string(const char *name, const char *value, char *target, int maxLength) {
@@ -49,6 +51,7 @@ static inline int arg_uint(UNUSED const char *name, const char *value, unsigned
 bool parse_cli_opts(int argc, char* argv[]) {
     // initialize options with false values
     memset(&gCLIOpts, 0, sizeof(gCLIOpts));
+    gCLIOpts.enableMods = NULL;
 
     for (int i = 1; i < argc; i++) {
 #if defined(_WIN32) || defined(_WIN64)
@@ -86,6 +89,16 @@ bool parse_cli_opts(int argc, char* argv[]) {
             gCLIOpts.skipUpdateCheck = true;
         } else if (!strcmp(argv[i], "--no-discord")) {
             gCLIOpts.noDiscord = true;
+        } else if (!strcmp(argv[i], "--disable-mods")) {
+            gCLIOpts.disableMods = true;
+        } else if (!strcmp(argv[i], "--enable-mod") && (i + 1) < argc) {
+            gCLIOpts.enabledModsCount++;
+            if (gCLIOpts.enableMods == NULL) {
+                gCLIOpts.enableMods = malloc(sizeof(char*));
+            } else {
+                gCLIOpts.enableMods = realloc(gCLIOpts.enableMods, sizeof(char*) * gCLIOpts.enabledModsCount);
+            }
+            gCLIOpts.enableMods[gCLIOpts.enabledModsCount - 1] = strdup(argv[++i]);
         } else if (!strcmp(argv[i], "--help")) {
             print_help();
             return false;
diff --git a/src/pc/cliopts.h b/src/pc/cliopts.h
index 7552519c1..62d30cdee 100644
--- a/src/pc/cliopts.h
+++ b/src/pc/cliopts.h
@@ -28,6 +28,9 @@ struct CLIOptions {
     bool hideLoadingScreen;
     bool skipUpdateCheck;
     bool noDiscord;
+    bool disableMods;
+    int enabledModsCount;
+    char** enableMods;
 };
 
 extern struct CLIOptions gCLIOpts;
diff --git a/src/pc/configfile.c b/src/pc/configfile.c
index a46c2c7c9..2b9ac7b11 100644
--- a/src/pc/configfile.c
+++ b/src/pc/configfile.c
@@ -360,6 +360,8 @@ void enable_queued_mods(void) {
 }
 
 static void enable_mod_read(char** tokens, UNUSED int numTokens) {
+    if (gCLIOpts.disableMods) { return; }
+
     char combined[256] = { 0 };
     for (int i = 1; i < numTokens; i++) {
         if (i != 1) { strncat(combined, " ", 255); }
@@ -378,6 +380,19 @@ static void enable_mod_read(char** tokens, UNUSED int numTokens) {
     }
 }
 
+static void enable_mod(char* mod) {
+    struct QueuedFile* queued = malloc(sizeof(struct QueuedFile));
+    queued->path = strdup(mod);
+    queued->next = NULL;
+    if (!sQueuedEnableModsHead) {
+        sQueuedEnableModsHead = queued;
+    } else {
+        struct QueuedFile* tail = sQueuedEnableModsHead;
+        while (tail->next) { tail = tail->next; }
+        tail->next = queued;
+    }
+}
+
 static void enable_mod_write(FILE* file) {
     for (unsigned int i = 0; i < gLocalMods.entryCount; i++) {
         struct Mod* mod = gLocalMods.entries[i];
@@ -724,6 +739,11 @@ NEXT_OPTION:
     if (configDjuiTheme >= DJUI_THEME_MAX) { configDjuiTheme = 0; }
     if (configDjuiScale >= 5) { configDjuiScale = 0; }
 
+    for (int i = 0; i < gCLIOpts.enabledModsCount; i++) {
+        enable_mod(gCLIOpts.enableMods[i]);
+    }
+    free(gCLIOpts.enableMods);
+
 #ifndef COOPNET
     configNetworkSystem = NS_SOCKET;
 #endif