Simplify batching code that sets bits in the set_mask

Author: SanderMertens

distr/flecs.c

@@ -9393,9 +9393,9 @@ void flecs_cmd_batch_for_entity(
                 }
             }
 
-            int32_t index = (i >= 64) + (i >= 128) + (i >= 192);
-            int32_t shift = i - 64 * index;
-            set_mask[index] |= (1llu << shift);
+            ecs_assert(i < 256, ECS_UNSUPPORTED, 
+                "cannot add more than 256 components in a single operation");
+            set_mask[i >> 6] |= 1llu << (i & 63);
 
             world->info.cmd.batched_command_count ++;
             break;
@@ -13395,12 +13395,7 @@ void flecs_emit(
         if (set_mask && event == EcsOnAdd) {
             ecs_assert(i < 256, ECS_UNSUPPORTED, 
                 "cannot add more than 256 components in a single operation");
-
-            int32_t index = (i >= 64) + (i >= 128) + (i >= 192);
-            int32_t shift = i - 64 * index;
-
-            ecs_flags64_t id_bit = 1llu << shift;
-            if (id_bit & set_mask[index]) {
+            if (set_mask[i >> 6] & (1llu << (i & 63))) {
                 /* Component is already set, so don't override with prefab value */
                 id_can_override = false;
             }

src/entity.c

@@ -4907,9 +4907,9 @@ void flecs_cmd_batch_for_entity(
                 }
             }
 
-            int32_t index = (i >= 64) + (i >= 128) + (i >= 192);
-            int32_t shift = i - 64 * index;
-            set_mask[index] |= (1llu << shift);
+            ecs_assert(i < 256, ECS_UNSUPPORTED, 
+                "cannot add more than 256 components in a single operation");
+            set_mask[i >> 6] |= 1llu << (i & 63);
 
             world->info.cmd.batched_command_count ++;
             break;

src/observable.c

@@ -1273,12 +1273,7 @@ void flecs_emit(
         if (set_mask && event == EcsOnAdd) {
             ecs_assert(i < 256, ECS_UNSUPPORTED, 
                 "cannot add more than 256 components in a single operation");
-
-            int32_t index = (i >= 64) + (i >= 128) + (i >= 192);
-            int32_t shift = i - 64 * index;
-
-            ecs_flags64_t id_bit = 1llu << shift;
-            if (id_bit & set_mask[index]) {
+            if (set_mask[i >> 6] & (1llu << (i & 63))) {
                 /* Component is already set, so don't override with prefab value */
                 id_can_override = false;
             }