move block ticks register to separate script

src/voxels/blocks_agent.cpp

@@ -14,39 +14,46 @@ std::vector<BlockRegisterEvent> blocks_agent::pull_register_events() {
     return events;
 }
 
+static uint16_t get_events_bits(bool present, const Block& def) {
+    uint16_t bits = 0;
+    if (def.rt.funcsset.onblocktick) {
+        bits |= present ? BlockRegisterEvent::REGISTER_UPDATING_BIT
+                        : BlockRegisterEvent::UNREGISTER_UPDATING_BIT;
+    }
+    return bits;
+}
+
 static void on_chunk_register_event(
     const ContentIndices& indices,
     const Chunk& chunk,
-    BlockRegisterEvent::Type type
+    bool present
 ) {
     for (int i = 0; i < CHUNK_VOL; i++) {
         const auto& def =
             indices.blocks.require(chunk.voxels[i].id);
-        if (def.rt.funcsset.onblocktick) {
-            int x = i % CHUNK_W + chunk.x * CHUNK_W;
-            int z = (i / CHUNK_W) % CHUNK_D + chunk.z * CHUNK_D;
-            int y = (i / CHUNK_W / CHUNK_D);
-            block_register_events.push_back(BlockRegisterEvent {
-                type, def.rt.id, {x, y, z}
-            });
+        uint16_t bits = get_events_bits(present, def);
+        if (bits == 0) {
+            continue;
         }
+        int x = i % CHUNK_W + chunk.x * CHUNK_W;
+        int z = (i / CHUNK_W) % CHUNK_D + chunk.z * CHUNK_D;
+        int y = (i / CHUNK_W / CHUNK_D);
+        block_register_events.push_back(BlockRegisterEvent {
+            bits, def.rt.id, {x, y, z}
+        });
     }
 }
 
 void blocks_agent::on_chunk_present(
     const ContentIndices& indices, const Chunk& chunk
 ) {
-    on_chunk_register_event(
-        indices, chunk, BlockRegisterEvent::Type::REGISTER_UPDATING
-    );
+    on_chunk_register_event(indices, chunk, true);
 }
 
 void blocks_agent::on_chunk_remove(
     const ContentIndices& indices, const Chunk& chunk
 ) {
-    on_chunk_register_event(
-        indices, chunk, BlockRegisterEvent::Type::UNREGISTER_UPDATING
-    );
+    on_chunk_register_event(indices, chunk, false);
 }
 
 template <class Storage>
@@ -101,11 +108,14 @@ static void finalize_block(
             chunk.flags.blocksData = true;
         }
     }
-    if (def.rt.funcsset.onblocktick) {
-        block_register_events.push_back(BlockRegisterEvent {
-            BlockRegisterEvent::Type::UNREGISTER_UPDATING, def.rt.id, {x, y, z}
-        });
+
+    uint16_t bits = get_events_bits(false, def);
+    if (bits == 0) {
+        return;
     }
+    block_register_events.push_back(BlockRegisterEvent {
+        bits, def.rt.id, {x, y, z}
+    });
 }
 
 template <class Storage>
@@ -131,9 +141,17 @@ static void initialize_block(
     refresh_chunk_heights(chunk, id == BLOCK_AIR, y);
     mark_neighboirs_modified(chunks, cx, cz, lx, lz);
 
+    uint16_t bits = get_events_bits(true, def);
+    if (bits == 0) {
+        return;
+    }
+    block_register_events.push_back(BlockRegisterEvent {
+        bits, def.rt.id, {x, y, z}
+    });
+
     if (def.rt.funcsset.onblocktick) {
         block_register_events.push_back(BlockRegisterEvent {
-            BlockRegisterEvent::Type::REGISTER_UPDATING, def.rt.id, {x, y, z}
+            bits, def.rt.id, {x, y, z}
         });
     }
 }