Allow reading doubles for frametimes in animation.mcmeta files (leniently correct them into integers)

Author: TBlueF

core/src/main/java/de/bluecolored/bluemap/core/resources/pack/resourcepack/texture/AnimationMeta.java

@@ -80,7 +80,7 @@ public AnimationMeta read(JsonReader in, Gson gson) throws IOException {
                         case "interpolate" : animationMeta.interpolate = in.nextBoolean(); break;
                         case "width" : animationMeta.width = in.nextInt(); break;
                         case "height" : animationMeta.height = in.nextInt(); break;
-                        case "frametime" : animationMeta.frametime = in.nextInt(); break;
+                        case "frametime" : animationMeta.frametime = (int) in.nextDouble(); break;
                         case "frames" : readFramesList(in, animationMeta); break;
                         default: in.skipValue(); break;
                     }
@@ -115,7 +115,7 @@ private void readFramesList(JsonReader in, AnimationMeta animationMeta) throws I
                     while (in.hasNext()) {
                         switch (in.nextName()) {
                             case "index" : index = in.nextInt(); break;
-                            case "time" : time = in.nextInt(); break;
+                            case "time" : time = (int) in.nextDouble(); break;
                             default: in.skipValue(); break;
                         }
                     }