feat(server): send entity position updates to all sessions

include/Cubed/gameplay/server_entity_manager.hpp

@@ -46,6 +46,7 @@ private:
     void send_all_entities(std::shared_ptr<Session>& session);
     void update_ai();
     void update_move();
+    void update_send();
     template <typename... Args>
     EntityID create_entity_in_factory(Args&&... args) {
         auto entity = m_registry.create();

src/gameplay/server_entity_manager.cpp

@@ -20,23 +20,44 @@ void ServerEntityManager::init() {
     m_factories.try_emplace("cubed:pig", [this]() {
         BaseServerCreature c;
         c.hitbox = HitboxManager::instance().get_hitbox_id("cubed:pig");
-        return create_entity_in_factory(Entity{m_next},
-                                        EntityInfo{"cubed:pig", ""},
-                                        std::move(c), PigTag{});
+        return create_entity_in_factory(
+            Entity{m_next}, EntityInfo{"cubed:pig", ""}, std::move(c), PigTag{},
+            AIBase{}, WanderAITag{}, MoveBoost{});
     });
 }
 void ServerEntityManager::update() {
     handle_task();
     update_ai();
     update_move();
+
+    update_send();
 }
 
 void ServerEntityManager::update_ai() { WanderAISystem::update(m_registry); }
+
 void ServerEntityManager::update_move() {
     SpeedSystem::update(
         static_cast<float>(m_world.get_per_tick_time()) / 1000.0f, m_registry);
     PhysicalSystem::update(m_world, m_registry);
 }
+
+void ServerEntityManager::update_send() {
+    auto sessions = m_world.get_all_session();
+    auto view = m_registry.view<Entity, BaseServerCreature>();
+
+    for (auto& e : view) {
+        auto [entity, creature] = view.get<Entity, BaseServerCreature>(e);
+        Arena arena;
+        auto* p = Arena::Create<S2CEntityUpdate>(&arena);
+        p->set_id(entity.id);
+        Tools::set_net_pos(p, creature.transform.position.value);
+
+        for (auto& s : sessions) {
+            s->send(make_packet(p));
+        }
+    }
+}
+
 void ServerEntityManager::handle_task() {
     TaskPair pair;
     while (m_tasks.try_pop(pair)) {

src/gameplay/systems/speed_system.cpp

@@ -14,11 +14,24 @@ void SpeedSystem::update(float dt, entt::registry& registry) {
             ++moveboost.count;
             creature.velocity.value +=
                 creature.direction.value * creature.movement.acceleration;
-        } else {
+        } else if (glm::dot(creature.velocity.value, creature.velocity.value) >=
+                   0.001f) {
             creature.velocity.value -=
                 creature.direction.value * creature.movement.deceleration;
+        } else {
+            creature.velocity.value = glm::vec3(0.0f);
         }
-        creature.velocity.value.y = creature.gravity.value * dt;
+        creature.velocity.value.y += -creature.gravity.value * dt;
+        auto v_clamp = [](float& v, float max) {
+            auto temp = std::abs(v);
+            max = std::abs(max);
+            temp = std::clamp(temp, 0.0f, max);
+
+            v = temp;
+        };
+        v_clamp(creature.velocity.value.x, creature.velocity.max.x);
+        v_clamp(creature.velocity.value.y, creature.velocity.max.y);
+        v_clamp(creature.velocity.value.z, creature.velocity.max.z);
     }
 }