Reduce Server Patches

mods/src/extra.c

@@ -151,11 +151,7 @@ static int is_server = 0;
 
 // Check For Feature
 int extra_has_feature(const char *name) {
-    if (is_server) {
+    char *env = is_server ? (char *) server_get_features() : getenv("MCPI_FEATURES");
-        // Enable All Features In Server
-        return 1;
-    } else {
-        char *env = getenv("MCPI_FEATURES");
     char *features = strdup(env != NULL ? env : "");
     char *tok = strtok(features, "|");
     int ret = 0;
@@ -167,9 +163,10 @@ int extra_has_feature(const char *name) {
         tok = strtok(NULL, "|");
     }
     free(features);
+    if (!is_server) {
         INFO("Feature: %s: %s", name, ret ? "Enabled" : "Disabled");
-        return ret;
     }
+    return ret;
 }
 
 // Get Graphics Mode
@@ -259,11 +256,7 @@ __attribute__((constructor)) static void init() {
         patch_address(MouseBuildInput_tickBuild_vtable_addr, (void *) MouseBuildInput_tickBuild_injection);
     }
 
-    if (is_server) {
-        mob_spawning = server_get_mob_spawning();
-    } else {
     mob_spawning = extra_has_feature("Mob Spawning");
-    }
     // Set Mob Spawning
     overwrite((void *) LevelData_getSpawnMobs, LevelData_getSpawnMobs_injection);
 

mods/src/server/server.cpp

@@ -34,6 +34,7 @@ static ServerProperties &get_server_properties() {
 #define DEFAULT_PORT "19132"
 #define DEFAULT_SEED ""
 #define DEFAULT_MOB_SPAWNING "true"
+#define DEFAULT_PEACEFUL_MODE "false"
 #define DEFAULT_WORLD_NAME "world"
 #define DEFAULT_MAX_PLAYERS "4"
 
@@ -390,10 +391,25 @@ const char *server_get_motd() {
     std::string *motd = new std::string(get_server_properties().get_string("motd", DEFAULT_MOTD));
     return motd->c_str();
 }
-int server_get_mob_spawning() {
+
-    return get_server_properties().get_bool("spawn-mobs", DEFAULT_MOB_SPAWNING);
+static bool loaded_features = false;
+const char *server_get_features() {
+    static std::string features;
+    if (!loaded_features) {
+        loaded_features = true;
+
+        features = "";
+        if (get_server_properties().get_bool("spawn-mobs", DEFAULT_MOB_SPAWNING)) {
+            features += "Mob Spawning|";
         }
-static unsigned char server_get_max_players() {
+        if (get_server_properties().get_bool("peaceful-mode", DEFAULT_PEACEFUL_MODE)) {
+            features += "Peaceful Mode|";
+        }
+    }
+    return features.c_str();
+}
+
+static unsigned char get_max_players() {
     int val = get_server_properties().get_int("max-players", DEFAULT_MAX_PLAYERS);
     if (val < 0) {
         val = 0;
@@ -426,6 +442,8 @@ void server_init() {
         properties_file_output << "seed=" DEFAULT_SEED "\n";
         properties_file_output << "# Mob Spawning (false = Disabled, true = Enabled)\n";
         properties_file_output << "spawn-mobs=" DEFAULT_MOB_SPAWNING "\n";
+        properties_file_output << "# Peaceful Mode (false = Disabled, true = Enabled)\n";
+        properties_file_output << "peaceful-mode=" DEFAULT_PEACEFUL_MODE "\n";
         properties_file_output << "# World To Select\n";
         properties_file_output << "world-name=" DEFAULT_WORLD_NAME "\n";
         properties_file_output << "# Maximum Player Count\n";
@@ -472,7 +490,7 @@ void server_init() {
     unsigned char allow_all_ip_patch[4] = {0x00, 0xf0, 0x20, 0xe3};
     patch((void *) 0xe1f6c, allow_all_ip_patch);
     // Set Max Players
-    unsigned char max_players_patch[4] = {server_get_max_players(), 0x30, 0xa0, 0xe3};
+    unsigned char max_players_patch[4] = {get_max_players(), 0x30, 0xa0, 0xe3};
     patch((void *) 0x166d0, max_players_patch);
     // Custom Banned IP List
     overwrite((void *) RakNet_RakPeer_IsBanned, (void *) RakNet_RakPeer_IsBanned_injection);

mods/src/server/server.h

@@ -9,7 +9,8 @@ extern "C" {
 void server_init();
 
 const char *server_get_motd();
-int server_get_mob_spawning();
+
+const char *server_get_features();
 
 #ifdef __cplusplus
 }