Fixed an issue of index out of bounds under specific conditions

Author: xTracr

common/src/main/java/com/xtracr/realcamera/mixin/MixinLevelRenderer.java

@@ -24,7 +24,7 @@ public abstract class MixinLevelRenderer {
     @Final private RenderBuffers renderBuffers;
 
     @Inject(method = "renderLevel", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/MultiBufferSource$BufferSource;endLastBatch()V", ordinal = 0))
-    private void realcamera$renderLocalPlayer(PoseStack poseStack, float deltaTick, long limitTime, boolean renderBlockOutline, Camera camera, GameRenderer gameRenderer, LightTexture lightTexture, Matrix4f matrix4f, CallbackInfo ci) {
+    private void realcamera$renderCameraEntity(PoseStack poseStack, float deltaTick, long limitTime, boolean renderBlockOutline, Camera camera, GameRenderer gameRenderer, LightTexture lightTexture, Matrix4f matrix4f, CallbackInfo ci) {
         if (!RealCameraCore.isRendering()) return;
         MultiBufferSource.BufferSource bufferSource = renderBuffers.bufferSource();
         if (!ConfigFile.config().isClassic()) RealCameraCore.renderCameraEntity(minecraft, deltaTick, bufferSource);

common/src/main/java/com/xtracr/realcamera/util/IterableVertexBuffer.java

@@ -337,7 +337,7 @@ public PrimitiveIterator() {
                 for (int i = 0; i < primitiveLength; i++) {
                     reusablePrimitive[i] = VertexData.mutable();
                 }
-                readVertexAt(0, reusablePrimitive[0]);
+                if (0 < vertexCount) readVertexAt(0, reusablePrimitive[0]);
             }
 
             @Override
@@ -364,7 +364,7 @@ public PrimitiveSpliterator(int start, int end) {
                 for (int i = 0; i < primitiveLength; i++) {
                     reusablePrimitive[i] = VertexData.mutable();
                 }
-                readVertexAt(0, reusablePrimitive[0]);
+                if (0 < vertexCount) readVertexAt(0, reusablePrimitive[0]);
             }
 
             @Override