Split off highly version-dependent code from ModCompat

versions/1.7.10/src/main/java/com/replaymod/core/utils/ModInfoGetter.java

@@ -0,0 +1,32 @@
+package com.replaymod.core.utils;
+
+import com.replaymod.replaystudio.data.ModInfo;
+import cpw.mods.fml.common.Loader;
+import cpw.mods.fml.common.ModContainer;
+import cpw.mods.fml.common.registry.GameData;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class ModInfoGetter {
+    static Collection<ModInfo> getInstalledNetworkMods() {
+        Map<String, ModContainer> ignoreCaseMap = Loader.instance().getModList().stream()
+                .collect(Collectors.toMap(m -> m.getModId().toLowerCase(), Function.identity()));
+        return Stream.concat(
+                ((Set<String>) GameData.getBlockRegistry().getKeys()).stream(),
+                ((Set<String>) GameData.getItemRegistry().getKeys()).stream()
+        ).map(name -> {
+            if (!name.contains(":")) return null; // Still using old names without namespace, can't do anything, ignore
+            return name.split(":", 2)[0];
+        }).filter(Objects::nonNull)
+                .filter(s -> !s.equals("minecraft")).distinct()
+                .map(String::toLowerCase).map(ignoreCaseMap::get).filter(Objects::nonNull)
+                .map(mod -> new ModInfo(mod.getModId(), mod.getName(), mod.getVersion()))
+                .collect(Collectors.toList());
+    }
+}