Fix TextureLoader.openResourceStream assuming the domain is provided by the resource manager.

Author: AlexIIL

build.properties

@@ -2,4 +2,4 @@ mc_version=1.12.2
 forge_version=14.23.0.2544
 mcp_mappings=snapshot_20171120
 
-mod_version=1.5.6-pre.1
+mod_version=1.5.7-pre.1

src/main/java/alexiil/mc/mod/load/render/TextureLoader.java

@@ -150,6 +150,14 @@ public static InputStream openResourceStream(ResourceLocation location) throws I
             }
 
             Object value = map.get(location.getResourceDomain());
+
+            if (value == null) {
+                if (CustomLoadingScreen.debugResourceLoading) {
+                    CLSLog.info("[debug]   - Found no entry for the domain!");
+                }
+                return null;
+            }
+
             if (CustomLoadingScreen.debugResourceLoading) {
                 CLSLog.info("[debug]   - Looking at " + value);
             }