4 files changed, 63 insertions, 0 deletions
diff --git a/game/server/game.cc b/game/server/game.cc
index 8624670..f9802ae 100644
--- a/game/server/game.cc
+++ b/game/server/game.cc
@@ -28,6 +28,7 @@
 #include "shared/protocol.hh"
 #include "shared/splash.hh"
 
+#include "server/world/random_tick.hh"
 #include "server/world/universe.hh"
 #include "server/world/unloader.hh"
 #include "server/world/worldgen.hh"
@@ -69,6 +70,8 @@ void server_game::init(void)
 
     world::unloader::init();
     world::universe::init();
+
+    world::random_tick::init();
 }
 
 void server_game::init_late(void)
@@ -128,6 +131,10 @@ void server_game::fixed_update(void)
         entity::Transform::fixed_update(dimension.second);
         entity::Gravity::fixed_update(dimension.second);
         entity::Stasis::fixed_update(dimension.second);
+
+        for(auto [entity, component] : dimension.second->chunks.view<world::ChunkComponent>().each()) {
+            world::random_tick::tick(component.cpos, component.chunk);
+        }
     }
 }
 
diff --git a/game/server/world/CMakeLists.txt b/game/server/world/CMakeLists.txt
index e8fd4be..58a2216 100644
--- a/game/server/world/CMakeLists.txt
+++ b/game/server/world/CMakeLists.txt
@@ -2,6 +2,8 @@ target_sources(vserver PRIVATE
     "${CMAKE_CURRENT_LIST_DIR}/inhabited.hh"
     "${CMAKE_CURRENT_LIST_DIR}/overworld.cc"
     "${CMAKE_CURRENT_LIST_DIR}/overworld.hh"
+    "${CMAKE_CURRENT_LIST_DIR}/random_tick.cc"
+    "${CMAKE_CURRENT_LIST_DIR}/random_tick.hh"
     "${CMAKE_CURRENT_LIST_DIR}/universe.cc"
     "${CMAKE_CURRENT_LIST_DIR}/universe.hh"
     "${CMAKE_CURRENT_LIST_DIR}/unloader.cc"
diff --git a/game/server/world/random_tick.cc b/game/server/world/random_tick.cc
new file mode 100644
index 0000000..c5fa47c
--- /dev/null
+++ b/game/server/world/random_tick.cc
@@ -0,0 +1,40 @@
+#include "server/pch.hh"
+
+#include "server/world/random_tick.hh"
+
+#include "core/config/number.hh"
+
+#include "core/io/config_map.hh"
+
+#include "shared/world/chunk.hh"
+#include "shared/world/dimension.hh"
+#include "shared/world/voxel.hh"
+
+#include "shared/coord.hh"
+
+#include "server/globals.hh"
+
+static config::Int random_tick_speed(2, 1, 1000);
+static std::mt19937_64 random_source;
+
+void world::random_tick::init(void)
+{
+    globals::server_config.add_value("world.random_tick_speed", random_tick_speed);
+
+    random_source.seed(std::random_device {}());
+}
+
+void world::random_tick::tick(const chunk_pos& cpos, Chunk* chunk)
+{
+    assert(chunk);
+
+    for(int i = 0; i < random_tick_speed.get_value(); ++i) {
+        auto voxel_index = random_source() % CHUNK_VOLUME;
+        auto lpos = coord::to_local(voxel_index);
+        auto vpos = coord::to_voxel(cpos, lpos);
+
+        if(auto voxel = chunk->get_voxel(lpos)) {
+            voxel->on_tick(chunk->get_dimension(), vpos);
+        }
+    }
+}
diff --git a/game/server/world/random_tick.hh b/game/server/world/random_tick.hh
new file mode 100644
index 0000000..4ef1691
--- /dev/null
+++ b/game/server/world/random_tick.hh
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "shared/types.hh"
+
+namespace world
+{
+class Chunk;
+} // namespace world
+
+namespace world::random_tick
+{
+void init(void);
+void tick(const chunk_pos& cpos, Chunk* chunk);
+} // namespace world::random_tick