Performance optimizations: sound caching, renderer culling, entity and lighting improvements

- Sound engine: cache filesystem probe results to avoid repeated file existence checks; add MA_SOUND_FLAG_DECODE for pre-decoded playback
- Level renderer: column-level frustum culling, compact visible chunk lists to skip empty iteration, lightweight second-pass render path, early-out for non-dirty chunks, scaled recheck period at high render distances
- Entity: cache shared_from_this() to reduce reference counting overhead in move() and checkInsideTiles()
- Level: skip checkLight() when tile light properties unchanged; enable entity locking on all platforms (not just Vita)
- LevelChunk: only rescan min height when the minimum column changes; defer lightGap processing
- LivingEntity: use raw pointer cast instead of dynamic_pointer_cast; cache friction tile lookup
- ServerPlayerGameMode: return whether block was destroyed to avoid redundant tile update packets

Minecraft.Client/Common/Audio/SoundEngine.h

@@ -5,6 +5,8 @@ using namespace std;
 #include "..\..\Minecraft.World\SoundTypes.h"
 
 #include "miniaudio.h"
+#include <unordered_map>
+#include <string>
 
 constexpr float SFX_3D_MIN_DISTANCE = 1.0f;
 constexpr float SFX_3D_MAX_DISTANCE = 16.0f;
@@ -187,6 +189,9 @@ private:
 	int m_iStream_CD_1;
 	bool *m_bHeardTrackA;
 
+	std::unordered_map<int, std::vector<std::string>> m_soundPathCache;   // play(): sound ID → all valid variant paths
+	std::unordered_map<int, std::string> m_uiSoundPathCache;              // playUI(): sound ID → resolved path
+
 #ifdef __ORBIS__
 	int32_t m_hBGMAudio;
 #endif