Prevent crash in case of race condition. Fix #139

Author: tr7zw

gradle-compose.yml

@@ -3,7 +3,7 @@ source: "https://github.com/tr7zw/ProcessedModTemplate/tree/master"
 replacements:
   name: "WaveyCapes"
   id: "waveycapes"
-  version: "1.10.0"
+  version: "1.10.1"
   description: "The cape shouldn't be a static slab!"
   homepageUrl: "https://modrinth.com/mod/wavey-capes"
   sourcesUrl: "https://github.com/tr7zw/WaveyCapes"

src/main/java/dev/tr7zw/waveycapes/render/CustomCapeRenderer.java

@@ -265,6 +265,10 @@ private void modifyPoseStackSimulation(PoseStack poseStack, PlayerWrapper capeRe
         /*var entity = capeRenderInfo.getEntity();
         *///? }
         BasicSimulation simulation = ((CapeHolder) entity).getSimulation();
+        if (simulation == null) {
+            // race condition where the cape is being rendered before the simulation is initialized, just render it without movement instead of crashing
+            return;
+        }
         poseStack.pushPose();
         poseStack.translate(0.0D, 0.0D, 0.125D);