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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-12-13 13:11:01 +0100
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-12-13 13:11:01 +0100
commit4b20a615192baeb5ef0a04a10161a03428cda8cd (patch)
treec6f25102267b0cc4a444f6e746679405948142b0 /src/Generating/ChunkGenerator.h
parentFixed compilation? (diff)
parentMerge pull request #1660 from Seadragon91/master (diff)
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Diffstat (limited to 'src/Generating/ChunkGenerator.h')
-rw-r--r--src/Generating/ChunkGenerator.h47
1 files changed, 38 insertions, 9 deletions
diff --git a/src/Generating/ChunkGenerator.h b/src/Generating/ChunkGenerator.h
index 190d9e616..4af486ae1 100644
--- a/src/Generating/ChunkGenerator.h
+++ b/src/Generating/ChunkGenerator.h
@@ -119,8 +119,12 @@ public:
bool Start(cPluginInterface & a_PluginInterface, cChunkSink & a_ChunkSink, cIniFile & a_IniFile);
void Stop(void);
- /// Queues the chunk for generation; removes duplicate requests
- void QueueGenerateChunk(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate);
+ /** Queues the chunk for generation
+ If a-ForceGenerate is set, the chunk is regenerated even if the data is already present in the chunksink.
+ a_Callback is called after the chunk is generated. If the chunk was already present, the callback is still called, even if not regenerating.
+ It is legal to set the callback to nullptr, no callback is called then.
+ If the generator becomes overloaded and skips this chunk, the callback is still called. */
+ void QueueGenerateChunk(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate, cChunkCoordCallback * a_Callback = nullptr);
/// Generates the biomes for the specified chunk (directly, not in a separate thread). Used by the world loader if biomes failed loading.
void GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap);
@@ -131,22 +135,46 @@ public:
int GetSeed(void) const { return m_Seed; }
- /// Returns the biome at the specified coords. Used by ChunkMap if an invalid chunk is queried for biome
+ /** Returns the biome at the specified coords. Used by ChunkMap if an invalid chunk is queried for biome */
EMCSBiome GetBiomeAt(int a_BlockX, int a_BlockZ);
- /// Reads a block type from the ini file; returns the blocktype on success, emits a warning and returns a_Default's representation on failure.
+ /** Reads a block type from the ini file; returns the blocktype on success, emits a warning and returns a_Default's representation on failure. */
static BLOCKTYPE GetIniBlock(cIniFile & a_IniFile, const AString & a_SectionName, const AString & a_ValueName, const AString & a_Default);
private:
+ struct cQueueItem
+ {
+ /** The chunk coords */
+ int m_ChunkX, m_ChunkZ;
+
+ /** Force the regeneration of an already existing chunk */
+ bool m_ForceGenerate;
+
+ /** Callback to call after generating.*/
+ cChunkCoordCallback * m_Callback;
+ };
+
+ typedef std::list<cQueueItem> cGenQueue;
+
+
+ /** Seed used for the generator. */
int m_Seed;
- cCriticalSection m_CS;
- cChunkCoordsWithBoolList m_Queue;
- cEvent m_Event; ///< Set when an item is added to the queue or the thread should terminate
- cEvent m_evtRemoved; ///< Set when an item is removed from the queue
+ /** CS protecting access to the queue. */
+ cCriticalSection m_CS;
+
+ /** Queue of the chunks to be generated. Protected against multithreaded access by m_CS. */
+ cGenQueue m_Queue;
+
+ /** Set when an item is added to the queue or the thread should terminate. */
+ cEvent m_Event;
+
+ /** Set when an item is removed from the queue. */
+ cEvent m_evtRemoved;
- cGenerator * m_Generator; ///< The actual generator engine used to generate chunks
+ /** The actual generator engine used to generate chunks. */
+ cGenerator * m_Generator;
/** The plugin interface that may modify the generated chunks */
cPluginInterface * m_PluginInterface;
@@ -158,6 +186,7 @@ private:
// cIsThread override:
virtual void Execute(void) override;
+ /** Generates the specified chunk and sets it into the chunksink. */
void DoGenerate(int a_ChunkX, int a_ChunkZ);
};