feat(audio): add ambient pig sounds

Add pig call audio with randomized timing, triggered by proximity to the player as 3D positional sound.

include/Cubed/gameplay/client_entity_manager.hpp

@@ -1,6 +1,7 @@
 #pragma once
 #include "Cubed/gameplay/ecs/entity.hpp"
 #include "Cubed/gameplay/gait.hpp"
+#include "Cubed/tools/cubed_random.hpp"
 #include "glm/ext/vector_float3.hpp"
 #include "world/entity.pb.h"
 
@@ -26,6 +27,8 @@ public:
 
     const entt::registry& get_registry() const;
 
+    void player_sound(float dt);
+
 private:
     struct EntityCreateElement {
         EntityID id;
@@ -52,7 +55,7 @@ private:
     EntityMap m_entities;
     std::unordered_map<std::string_view, CreateFunc> m_factories;
     tbb::concurrent_queue<TaskPair> m_tasks;
-
+    Random m_random;
     void handle_task(float dt);
     void handle_entity_destory(EntityID id);
     // not thread safe

include/Cubed/gameplay/ecs/client_entity.hpp

@@ -11,4 +11,9 @@ struct BaseClientCreature {
 
     ModelID model;
 };
+
+struct SoundTime {
+    float next_call_time;
+};
+
 } // namespace Cubed