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authorAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
committerAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
commitcb50ec10591c0e0e4b9915e642bc50d3d8d1fd0a (patch)
treef647b20e1823f1846af88e832cf82a4a02e96e69 /src/LightingThread.h
parentImprove clang-format config file, remove automatically enforced code style from contrib guide. (diff)
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Diffstat (limited to 'src/LightingThread.h')
-rw-r--r--src/LightingThread.h72
1 files changed, 38 insertions, 34 deletions
diff --git a/src/LightingThread.h b/src/LightingThread.h
index 1097558a4..a1e52e2aa 100644
--- a/src/LightingThread.h
+++ b/src/LightingThread.h
@@ -45,13 +45,11 @@ class cWorld;
-class cLightingThread:
- public cIsThread
+class cLightingThread : public cIsThread
{
using Super = cIsThread;
-public:
-
+ public:
cLightingThread(cWorld & a_World);
virtual ~cLightingThread() override;
@@ -66,20 +64,23 @@ public:
size_t GetQueueLength(void);
-protected:
-
- class cLightingChunkStay :
- public cChunkStay
+ protected:
+ class cLightingChunkStay : public cChunkStay
{
- public:
+ public:
cLightingThread & m_LightingThread;
int m_ChunkX;
int m_ChunkZ;
std::unique_ptr<cChunkCoordCallback> m_CallbackAfter;
- cLightingChunkStay(cLightingThread & a_LightingThread, int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallbackAfter);
+ cLightingChunkStay(
+ cLightingThread & a_LightingThread,
+ int a_ChunkX,
+ int a_ChunkZ,
+ std::unique_ptr<cChunkCoordCallback> a_CallbackAfter
+ );
- protected:
+ protected:
virtual void OnChunkAvailable(int a_ChunkX, int a_ChunkZ) override
{
UNUSED(a_ChunkX);
@@ -87,7 +88,7 @@ protected:
}
virtual bool OnAllChunksAvailable(void) override;
virtual void OnDisabled(void) override;
- } ;
+ };
typedef std::list<cChunkStay *> cChunkStays;
@@ -103,33 +104,34 @@ protected:
/** The ChunkStays that are waiting for load. Used for stopping the thread. */
cChunkStays m_PendingQueue;
- cEvent m_evtItemAdded; // Set when queue is appended, or to stop the thread
- cEvent m_evtQueueEmpty; // Set when the queue gets empty
+ cEvent m_evtItemAdded; // Set when queue is appended, or to stop the thread
+ cEvent m_evtQueueEmpty; // Set when the queue gets empty
/** The highest block in the current 3x3 chunk data */
HEIGHTTYPE m_MaxHeight;
// Buffers for the 3x3 chunk data
- // These buffers alone are 1.7 MiB in size, therefore they cannot be located on the stack safely - some architectures may have only 1 MiB for stack, or even less
- // Placing the buffers into the object means that this object can light chunks only in one thread!
- // The blobs are XZY organized as a whole, instead of 3x3 XZY-organized subarrays ->
+ // These buffers alone are 1.7 MiB in size, therefore they cannot be located on the stack safely - some
+ // architectures may have only 1 MiB for stack, or even less Placing the buffers into the object means that this
+ // object can light chunks only in one thread! The blobs are XZY organized as a whole, instead of 3x3 XZY-organized
+ // subarrays ->
// -> This means data has to be scatterred when reading and gathered when writing!
static const int BlocksPerYLayer = cChunkDef::Width * cChunkDef::Width * 3 * 3;
- BLOCKTYPE m_BlockTypes[BlocksPerYLayer * cChunkDef::Height];
+ BLOCKTYPE m_BlockTypes[BlocksPerYLayer * cChunkDef::Height];
NIBBLETYPE m_BlockLight[BlocksPerYLayer * cChunkDef::Height];
- NIBBLETYPE m_SkyLight [BlocksPerYLayer * cChunkDef::Height];
- HEIGHTTYPE m_HeightMap [BlocksPerYLayer];
+ NIBBLETYPE m_SkyLight[BlocksPerYLayer * cChunkDef::Height];
+ HEIGHTTYPE m_HeightMap[BlocksPerYLayer];
// Seed management (5.7 MiB)
// Two buffers, in each calc step one is set as input and the other as output, then in the next step they're swapped
// Each seed is represented twice in this structure - both as a "list" and as a "position".
// "list" allows fast traversal from seed to seed
// "position" allows fast checking if a coord is already a seed
- unsigned char m_IsSeed1 [BlocksPerYLayer * cChunkDef::Height];
- unsigned int m_SeedIdx1[BlocksPerYLayer * cChunkDef::Height];
- unsigned char m_IsSeed2 [BlocksPerYLayer * cChunkDef::Height];
- unsigned int m_SeedIdx2[BlocksPerYLayer * cChunkDef::Height];
+ unsigned char m_IsSeed1[BlocksPerYLayer * cChunkDef::Height];
+ unsigned int m_SeedIdx1[BlocksPerYLayer * cChunkDef::Height];
+ unsigned char m_IsSeed2[BlocksPerYLayer * cChunkDef::Height];
+ unsigned int m_SeedIdx2[BlocksPerYLayer * cChunkDef::Height];
size_t m_NumSeeds;
virtual void Execute(void) override;
@@ -152,8 +154,12 @@ protected:
/** Does one step in the light calculation - one seed propagation and seed recalculation */
void CalcLightStep(
NIBBLETYPE * a_Light,
- size_t a_NumSeedsIn, unsigned char * a_IsSeedIn, unsigned int * a_SeedIdxIn,
- size_t & a_NumSeedsOut, unsigned char * a_IsSeedOut, unsigned int * a_SeedIdxOut
+ size_t a_NumSeedsIn,
+ unsigned char * a_IsSeedIn,
+ unsigned int * a_SeedIdxIn,
+ size_t & a_NumSeedsOut,
+ unsigned char * a_IsSeedOut,
+ unsigned int * a_SeedIdxOut
);
/** Compresses from 1-block-per-byte (faster calc) into 2-blocks-per-byte (MC storage): */
@@ -161,16 +167,14 @@ protected:
void PropagateLight(
NIBBLETYPE * a_Light,
- unsigned int a_SrcIdx, unsigned int a_DstIdx,
- size_t & a_NumSeedsOut, unsigned char * a_IsSeedOut, unsigned int * a_SeedIdxOut
+ unsigned int a_SrcIdx,
+ unsigned int a_DstIdx,
+ size_t & a_NumSeedsOut,
+ unsigned char * a_IsSeedOut,
+ unsigned int * a_SeedIdxOut
);
/** Queues a chunkstay that has all of its chunks loaded.
Called by cLightingChunkStay when all of its chunks are loaded. */
void QueueChunkStay(cLightingChunkStay & a_ChunkStay);
-
-} ;
-
-
-
-
+};