diff options
| -rw-r--r-- | Tools/QtBiomeVisualiser/BiomeView.cpp | 42 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/BiomeView.h | 8 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/ChunkCache.cpp | 126 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/ChunkLoader.cpp | 29 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/ChunkLoader.h | 45 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/ChunkSource.cpp | 10 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/ChunkSource.h | 6 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/MainWindow.cpp | 2 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro | 18 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/Region.cpp | 72 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/Region.h | 44 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/RegionCache.cpp | 138 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/RegionCache.h (renamed from Tools/QtBiomeVisualiser/ChunkCache.h) | 31 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/RegionLoader.cpp | 37 | ||||
| -rw-r--r-- | Tools/QtBiomeVisualiser/RegionLoader.h | 50 |
15 files changed, 409 insertions, 249 deletions
diff --git a/Tools/QtBiomeVisualiser/BiomeView.cpp b/Tools/QtBiomeVisualiser/BiomeView.cpp index b44b935d7..fef2b0afd 100644 --- a/Tools/QtBiomeVisualiser/BiomeView.cpp +++ b/Tools/QtBiomeVisualiser/BiomeView.cpp @@ -1,8 +1,8 @@ #include "Globals.h" #include "BiomeView.h" -#include "QtChunk.h" #include <QPainter> #include <QResizeEvent> +#include "Region.h" @@ -40,7 +40,7 @@ BiomeView::BiomeView(QWidget * parent) : redraw(); // Add a chunk-update callback mechanism: - connect(&m_Cache, SIGNAL(chunkAvailable(int, int)), this, SLOT(chunkAvailable(int, int))); + connect(&m_Cache, SIGNAL(regionAvailable(int, int)), this, SLOT(regionAvailable(int, int))); // Allow mouse and keyboard interaction: setFocusPolicy(Qt::StrongFocus); @@ -143,9 +143,15 @@ void BiomeView::redraw() -void BiomeView::chunkAvailable(int a_ChunkX, int a_ChunkZ) +void BiomeView::regionAvailable(int a_RegionX, int a_RegionZ) { - drawChunk(a_ChunkX, a_ChunkZ); + for (int z = 0; z < 32; z++) + { + for (int x = 0; x < 32; x++) + { + drawChunk(a_RegionX * 32 + x, a_RegionZ * 32 + z); + } + } update(); } @@ -175,8 +181,11 @@ void BiomeView::drawChunk(int a_ChunkX, int a_ChunkZ) return; } - //fetch the chunk: - ChunkPtr chunk = m_Cache.fetch(a_ChunkX, a_ChunkZ); + // Fetch the region: + int regionX; + int regionZ; + Region::chunkToRegion(a_ChunkX, a_ChunkZ, regionX, regionZ); + RegionPtr region = m_Cache.fetch(regionX, regionZ); // Figure out where on the screen this chunk should be drawn: // first find the center chunk @@ -228,9 +237,15 @@ void BiomeView::drawChunk(int a_ChunkX, int a_ChunkZ) // If the chunk is valid, use its data; otherwise use the empty placeholder: const uchar * src = m_EmptyChunkImage; - if (chunk.get() != nullptr) + if (region.get() != nullptr) { - src = chunk->getImage(); + int relChunkX = a_ChunkX - regionX * 32; + int relChunkZ = a_ChunkZ - regionZ * 32; + Chunk & chunk = region->getRelChunk(relChunkX, relChunkZ); + if (chunk.isValid()) + { + src = chunk.getImage(); + } } // Blit or scale-blit the image: @@ -317,11 +332,12 @@ void BiomeView::mouseMoveEvent(QMouseEvent * a_Event) // Update the status bar info text: int blockX = floor((a_Event->x() - width() / 2) / m_Zoom + m_X); int blockZ = floor((a_Event->y() - height() / 2) / m_Zoom + m_Z); - int chunkX, chunkZ; - int relX = blockX, relY, relZ = blockZ; - cChunkDef::AbsoluteToRelative(relX, relY, relZ, chunkX, chunkZ); - auto chunk = m_Cache.fetch(chunkX, chunkZ); - int biome = (chunk.get() != nullptr) ? chunk->getBiome(relX, relZ) : biInvalidBiome; + int regionX, regionZ; + Region::blockToRegion(blockX, blockZ, regionX, regionZ); + int relX = blockX - regionX * 512; + int relZ = blockZ - regionZ * 512; + auto region = m_Cache.fetch(regionX, regionZ); + int biome = (region.get() != nullptr) ? region->getRelBiome(relX, relZ) : biInvalidBiome; emit hoverChanged(blockX, blockZ, biome); } diff --git a/Tools/QtBiomeVisualiser/BiomeView.h b/Tools/QtBiomeVisualiser/BiomeView.h index 40d8b96ae..9901b8f24 100644 --- a/Tools/QtBiomeVisualiser/BiomeView.h +++ b/Tools/QtBiomeVisualiser/BiomeView.h @@ -2,7 +2,7 @@ #include <QWidget> #include <memory> -#include "ChunkCache.h" +#include "RegionCache.h" #include "ChunkSource.h" @@ -51,8 +51,8 @@ public slots: /** Redraw the entire widget area. */ void redraw(); - /** A specified chunk has become available, redraw it. */ - void chunkAvailable(int a_ChunkX, int a_ChunkZ); + /** A specified region has become available, redraw it. */ + void regionAvailable(int a_RegionX, int a_RegionZ); /** Reloads the current chunk source and redraws the entire workspace. */ void reload(); @@ -62,7 +62,7 @@ protected: double m_Zoom; /** Cache for the loaded chunk data. */ - ChunkCache m_Cache; + RegionCache m_Cache; /** The entire view's contents in an offscreen image. */ QImage m_Image; diff --git a/Tools/QtBiomeVisualiser/ChunkCache.cpp b/Tools/QtBiomeVisualiser/ChunkCache.cpp deleted file mode 100644 index 05c267d30..000000000 --- a/Tools/QtBiomeVisualiser/ChunkCache.cpp +++ /dev/null @@ -1,126 +0,0 @@ -#include "Globals.h" -#include "ChunkCache.h" -#include <QMutexLocker> -#include <QThreadPool> -#include "ChunkSource.h" -#include "ChunkLoader.h" - - - - - -ChunkCache::ChunkCache(QObject * parent) : - super(parent) -{ - m_Cache.setMaxCost(1024 * 1024 * 1024); // 1 GiB of memory for the cache -} - - - - - -ChunkPtr ChunkCache::fetch(int a_ChunkX, int a_ChunkZ) -{ - // Retrieve from the cache: - quint32 hash = getChunkHash(a_ChunkX, a_ChunkZ); - ChunkPtr * res; - { - QMutexLocker lock(&m_Mtx); - res = m_Cache[hash]; - // If succesful and chunk loaded, return the retrieved value: - if ((res != nullptr) && (*res)->isValid()) - { - return *res; - } - } - - // If the chunk is in cache but not valid, it means it has been already queued for rendering, do nothing now: - if (res != nullptr) - { - return ChunkPtr(nullptr); - } - - // There's no such item in the cache, create it now: - res = new ChunkPtr(new Chunk); - if (res == nullptr) - { - return ChunkPtr(nullptr); - } - { - QMutexLocker lock(&m_Mtx); - m_Cache.insert(hash, res, sizeof(Chunk)); - } - - // Queue the chunk for rendering: - queueChunkRender(a_ChunkX, a_ChunkZ, *res); - - // Return failure, the chunk is not yet rendered: - return ChunkPtr(nullptr); -} - - - - - -void ChunkCache::setChunkSource(std::shared_ptr<ChunkSource> a_ChunkSource) -{ - // Replace the chunk source: - m_ChunkSource = a_ChunkSource; - - // Clear the cache: - QMutexLocker lock(&m_Mtx); - m_Cache.clear(); -} - - - - - -void ChunkCache::reload() -{ - assert(m_ChunkSource.get() != nullptr); - - // Reload the chunk source: - m_ChunkSource->reload(); - - // Clear the cache: - QMutexLocker lock(&m_Mtx); - m_Cache.clear(); -} - - - - - -void ChunkCache::gotChunk(int a_ChunkX, int a_ChunkZ) -{ - emit chunkAvailable(a_ChunkX, a_ChunkZ); -} - - - - - -quint32 ChunkCache::getChunkHash(int a_ChunkX, int a_ChunkZ) -{ - // Simply join the two coords into a single int - // The coords will never be larger than 16-bits, so we can do this safely - return (((static_cast<quint32>(a_ChunkX) & 0xffff) << 16) | (static_cast<quint32>(a_ChunkZ) & 0xffff)); -} - - - - - -void ChunkCache::queueChunkRender(int a_ChunkX, int a_ChunkZ, ChunkPtr & a_Chunk) -{ - // Create a new loader task: - ChunkLoader * loader = new ChunkLoader(a_ChunkX, a_ChunkZ, a_Chunk, m_ChunkSource); - connect(loader, SIGNAL(loaded(int, int)), this, SLOT(gotChunk(int, int))); - - QThreadPool::globalInstance()->start(loader); -} - - - - diff --git a/Tools/QtBiomeVisualiser/ChunkLoader.cpp b/Tools/QtBiomeVisualiser/ChunkLoader.cpp deleted file mode 100644 index 3d0123b23..000000000 --- a/Tools/QtBiomeVisualiser/ChunkLoader.cpp +++ /dev/null @@ -1,29 +0,0 @@ -#include "Globals.h" -#include "ChunkLoader.h" -#include "ChunkSource.h" - - - - - -ChunkLoader::ChunkLoader(int a_ChunkX, int a_ChunkZ, ChunkPtr a_Chunk, ChunkSourcePtr a_ChunkSource) : - m_ChunkX(a_ChunkX), - m_ChunkZ(a_ChunkZ), - m_Chunk(a_Chunk), - m_ChunkSource(a_ChunkSource) -{ -} - - - - - -void ChunkLoader::run() -{ - m_ChunkSource->getChunkBiomes(m_ChunkX, m_ChunkZ, m_Chunk); - emit loaded(m_ChunkX, m_ChunkZ); -} - - - - diff --git a/Tools/QtBiomeVisualiser/ChunkLoader.h b/Tools/QtBiomeVisualiser/ChunkLoader.h deleted file mode 100644 index 4d026a45e..000000000 --- a/Tools/QtBiomeVisualiser/ChunkLoader.h +++ /dev/null @@ -1,45 +0,0 @@ -#pragma once - -#include <QObject> -#include <QRunnable> -#include <memory> - - - - -// fwd: -class Chunk; -typedef std::shared_ptr<Chunk> ChunkPtr; - -class ChunkSource; -typedef std::shared_ptr<ChunkSource> ChunkSourcePtr; - - - - - -class ChunkLoader : - public QObject, - public QRunnable -{ - Q_OBJECT - -public: - ChunkLoader(int a_ChunkX, int a_ChunkZ, ChunkPtr a_Chunk, ChunkSourcePtr a_ChunkSource); - virtual ~ChunkLoader() {} - -signals: - void loaded(int a_ChunkX, int a_ChunkZ); - -protected: - virtual void run() override; - -private: - int m_ChunkX, m_ChunkZ; - ChunkPtr m_Chunk; - ChunkSourcePtr m_ChunkSource; -}; - - - - diff --git a/Tools/QtBiomeVisualiser/ChunkSource.cpp b/Tools/QtBiomeVisualiser/ChunkSource.cpp index c5cde1c3b..c6d50b2e0 100644 --- a/Tools/QtBiomeVisualiser/ChunkSource.cpp +++ b/Tools/QtBiomeVisualiser/ChunkSource.cpp @@ -24,14 +24,14 @@ BioGenSource::BioGenSource(cIniFilePtr a_IniFile) : -void BioGenSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChunk) +void BioGenSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, Chunk & a_DestChunk) { cChunkDef::BiomeMap biomes; { QMutexLocker lock(&m_Mtx); m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, biomes); } - a_DestChunk->setBiomes(biomes); + a_DestChunk.setBiomes(biomes); } @@ -160,7 +160,7 @@ AnvilSource::AnvilSource(QString a_WorldRegionFolder) : -void AnvilSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChunk) +void AnvilSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, Chunk & a_DestChunk) { // Load the compressed data: AString compressedChunkData = getCompressedChunkData(a_ChunkX, a_ChunkZ); @@ -200,7 +200,7 @@ void AnvilSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChun { biomeMap[i] = (EMCSBiome)GetBEInt(beBiomes + 4 * i); } - a_DestChunk->setBiomes(biomeMap); + a_DestChunk.setBiomes(biomeMap); return; } @@ -216,7 +216,7 @@ void AnvilSource::getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChun { biomeMap[i] = EMCSBiome(vanillaBiomes[i]); } - a_DestChunk->setBiomes(biomeMap); + a_DestChunk.setBiomes(biomeMap); } diff --git a/Tools/QtBiomeVisualiser/ChunkSource.h b/Tools/QtBiomeVisualiser/ChunkSource.h index 5332c5d3f..ed2f457e9 100644 --- a/Tools/QtBiomeVisualiser/ChunkSource.h +++ b/Tools/QtBiomeVisualiser/ChunkSource.h @@ -26,7 +26,7 @@ public: /** Fills the a_DestChunk with the biomes for the specified coords. It is expected to be thread-safe and re-entrant. Usually QThread::idealThreadCount() threads are used. */ - virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChunk) = 0; + virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, Chunk & a_DestChunk) = 0; /** Forces a fresh reload of the source. Useful mainly for the generator, whose underlying definition file may have been changed. */ virtual void reload() = 0; @@ -45,7 +45,7 @@ public: BioGenSource(cIniFilePtr a_IniFile); // ChunkSource overrides: - virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChunk) override; + virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, Chunk & a_DestChunk) override; virtual void reload(void) override; protected: @@ -70,7 +70,7 @@ public: AnvilSource(QString a_WorldRegionFolder); // ChunkSource overrides: - virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, ChunkPtr a_DestChunk) override; + virtual void getChunkBiomes(int a_ChunkX, int a_ChunkZ, Chunk & a_DestChunk) override; virtual void reload() override; protected: diff --git a/Tools/QtBiomeVisualiser/MainWindow.cpp b/Tools/QtBiomeVisualiser/MainWindow.cpp index 7853d768e..dc26a32c7 100644 --- a/Tools/QtBiomeVisualiser/MainWindow.cpp +++ b/Tools/QtBiomeVisualiser/MainWindow.cpp @@ -8,8 +8,8 @@ #include <QSettings> #include <QDirIterator> #include <QStatusBar> -#include "src/IniFile.h" #include "ChunkSource.h" +#include "src/IniFile.h" #include "src/Generating/BioGen.h" #include "src/StringCompression.h" #include "src/WorldStorage/FastNBT.h" diff --git a/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro b/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro index f3a5255fb..4cff9c90f 100644 --- a/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro +++ b/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro @@ -26,9 +26,6 @@ SOURCES +=\ ../../src/OSSupport/CriticalSection.cpp \ ../../src/OSSupport/IsThread.cpp \ ../../src/BiomeDef.cpp \ - ChunkCache.cpp \ - ChunkSource.cpp \ - ChunkLoader.cpp \ ../../src/StringCompression.cpp \ ../../src/WorldStorage/FastNBT.cpp \ ../../lib/zlib/adler32.c \ @@ -48,7 +45,11 @@ SOURCES +=\ ../../lib/zlib/zutil.c \ GeneratorSetup.cpp \ QtBiomeVisualiser.cpp \ - QtChunk.cpp + QtChunk.cpp \ + RegionCache.cpp \ + Region.cpp \ + ChunkSource.cpp \ + RegionLoader.cpp HEADERS += MainWindow.h \ Globals.h \ @@ -64,9 +65,6 @@ HEADERS += MainWindow.h \ ../../src/OSSupport/CriticalSection.h \ ../../src/OSSupport/IsThread.h \ ../../src/BiomeDef.h \ - ChunkCache.h \ - ChunkSource.h \ - ChunkLoader.h \ ../../src/StringCompression.h \ ../../src/WorldStorage/FastNBT.h \ ../../lib/zlib/crc32.h \ @@ -81,7 +79,11 @@ HEADERS += MainWindow.h \ ../../lib/zlib/zlib.h \ ../../lib/zlib/zutil.h \ GeneratorSetup.h \ - QtChunk.h + QtChunk.h \ + RegionCache.h \ + Region.h \ + ChunkSource.h \ + RegionLoader.h INCLUDEPATH += $$_PRO_FILE_PWD_ \ $$_PRO_FILE_PWD_/../../lib \ diff --git a/Tools/QtBiomeVisualiser/Region.cpp b/Tools/QtBiomeVisualiser/Region.cpp new file mode 100644 index 000000000..d8a0a2f76 --- /dev/null +++ b/Tools/QtBiomeVisualiser/Region.cpp @@ -0,0 +1,72 @@ + +#include "Globals.h" +#include "Region.h" + + + + + +Region::Region() +{ +} + + + + + +Chunk & Region::getRelChunk(int a_RelChunkX, int a_RelChunkZ) +{ + ASSERT(a_RelChunkX >= 0); + ASSERT(a_RelChunkZ >= 0); + ASSERT(a_RelChunkX < 32); + ASSERT(a_RelChunkZ < 32); + + return m_Chunks[a_RelChunkX + a_RelChunkZ * 32]; +} + + + + + +int Region::getRelBiome(int a_RelBlockX, int a_RelBlockZ) +{ + ASSERT(a_RelBlockX >= 0); + ASSERT(a_RelBlockZ >= 0); + ASSERT(a_RelBlockX < 512); + ASSERT(a_RelBlockZ < 512); + + int chunkX = a_RelBlockX / 16; + int chunkZ = a_RelBlockZ / 16; + Chunk & chunk = m_Chunks[chunkX + 32 * chunkZ]; + if (chunk.isValid()) + { + return chunk.getBiome(a_RelBlockX - 16 * chunkX, a_RelBlockZ - 16 * chunkZ); + } + else + { + return biInvalidBiome; + } +} + + + + +void Region::blockToRegion(int a_BlockX, int a_BlockZ, int & a_RegionX, int & a_RegionZ) +{ + a_RegionX = static_cast<int>(std::floor(static_cast<float>(a_BlockX) / 512)); + a_RegionZ = static_cast<int>(std::floor(static_cast<float>(a_BlockZ) / 512)); +} + + + + + +void Region::chunkToRegion(int a_ChunkX, int a_ChunkZ, int & a_RegionX, int & a_RegionZ) +{ + a_RegionX = static_cast<int>(std::floor(static_cast<float>(a_ChunkX) / 32)); + a_RegionZ = static_cast<int>(std::floor(static_cast<float>(a_ChunkZ) / 32)); +} + + + + diff --git a/Tools/QtBiomeVisualiser/Region.h b/Tools/QtBiomeVisualiser/Region.h new file mode 100644 index 000000000..f1bef0c2d --- /dev/null +++ b/Tools/QtBiomeVisualiser/Region.h @@ -0,0 +1,44 @@ +#pragma once + +#include "QtChunk.h" + + + + + +class Region +{ +public: + Region(); + + /** Retrieves the chunk with the specified relative coords. */ + Chunk & getRelChunk(int a_RelChunkX, int a_RelChunkZ); + + /** Returns true iff the chunk data for all chunks has been loaded. + This doesn't mean that all the chunks are valid, only that the entire region has been processed and should + be displayed. */ + bool isValid(void) const { return m_IsValid; } + + /** Returns the biome in the block coords relative to this region. + Returns biInvalidBiome if the underlying chunk is not valid. */ + int getRelBiome(int a_RelBlockX, int a_RelBlockZ); + + /** Converts block coordinates into region coordinates. */ + static void blockToRegion(int a_BlockX, int a_BlockZ, int & a_RegionX, int & a_RegionZ); + + /** Converts chunk coordinates into region coordinates. */ + static void chunkToRegion(int a_ChunkX, int a_ChunkZ, int & a_RegionX, int & a_RegionZ); + +protected: + + Chunk m_Chunks[32 * 32]; + + /** True iff the data for all the chunks has been loaded. + This doesn't mean that all the chunks are valid, only that the entire region has been processed and should + be displayed. */ + bool m_IsValid; +}; + + + + diff --git a/Tools/QtBiomeVisualiser/RegionCache.cpp b/Tools/QtBiomeVisualiser/RegionCache.cpp new file mode 100644 index 000000000..e46fd222a --- /dev/null +++ b/Tools/QtBiomeVisualiser/RegionCache.cpp @@ -0,0 +1,138 @@ +#include "Globals.h" +#include "RegionCache.h" +#include <QMutexLocker> +#include <QThreadPool> +#include "ChunkSource.h" +#include "RegionLoader.h" +#include "Region.h" + + + + + +RegionCache::RegionCache(QObject * parent) : + super(parent) +{ + m_Cache.setMaxCost(1024 * 1024 * 1024); // 1 GiB of memory for the cache +} + + + + + +RegionPtr RegionCache::fetch(int a_RegionX, int a_RegionZ) +{ + // Retrieve from the cache: + quint32 hash = getRegionHash(a_RegionX, a_RegionZ); + RegionPtr * res; + { + QMutexLocker lock(&m_Mtx); + res = m_Cache[hash]; + // If succesful and region loaded, return the retrieved value: + if ((res != nullptr) && (*res)->isValid()) + { + return *res; + } + } + + // If the region is in cache but not valid, it means it has been already queued for rendering, do nothing now: + if (res != nullptr) + { + return RegionPtr(nullptr); + } + + // There's no such item in the cache, create it now: + try + { + res = new RegionPtr(new Region); + } + catch (const std::bad_alloc &) + { + /* Allocation failed (32-bit process hit the 2 GiB barrier?) + This may happen even with the cache set to 1 GiB, because it contains shared ptrs and so they may be + held by another place in the code even when they are removed from cache. + */ + return RegionPtr(nullptr); + } + if (res == nullptr) + { + return RegionPtr(nullptr); + } + { + QMutexLocker lock(&m_Mtx); + m_Cache.insert(hash, res, sizeof(Region)); + } + + // Queue the region for rendering: + queueRegionRender(a_RegionX, a_RegionZ, *res); + + // Return failure, the region is not yet rendered: + return RegionPtr(nullptr); +} + + + + + +void RegionCache::setChunkSource(std::shared_ptr<ChunkSource> a_ChunkSource) +{ + // Replace the chunk source: + m_ChunkSource = a_ChunkSource; + + // Clear the cache: + QMutexLocker lock(&m_Mtx); + m_Cache.clear(); +} + + + + + +void RegionCache::reload() +{ + assert(m_ChunkSource.get() != nullptr); + + // Reload the chunk source: + m_ChunkSource->reload(); + + // Clear the cache: + QMutexLocker lock(&m_Mtx); + m_Cache.clear(); +} + + + + + +void RegionCache::gotRegion(int a_RegionX, int a_RegionZ) +{ + emit regionAvailable(a_RegionX, a_RegionZ); +} + + + + + +quint32 RegionCache::getRegionHash(int a_RegionX, int a_RegionZ) +{ + // Simply join the two coords into a single int + // The coords will never be larger than 16-bits, so we can do this safely + return (((static_cast<quint32>(a_RegionX) & 0xffff) << 16) | (static_cast<quint32>(a_RegionZ) & 0xffff)); +} + + + + + +void RegionCache::queueRegionRender(int a_RegionX, int a_RegionZ, RegionPtr & a_Region) +{ + // Create a new loader task: + RegionLoader * loader = new RegionLoader(a_RegionX, a_RegionZ, a_Region, m_ChunkSource); + connect(loader, SIGNAL(loaded(int, int)), this, SLOT(gotRegion(int, int))); + + QThreadPool::globalInstance()->start(loader); +} + + + + diff --git a/Tools/QtBiomeVisualiser/ChunkCache.h b/Tools/QtBiomeVisualiser/RegionCache.h index 8d198f02f..c343e4ba9 100644 --- a/Tools/QtBiomeVisualiser/ChunkCache.h +++ b/Tools/QtBiomeVisualiser/RegionCache.h @@ -9,8 +9,9 @@ -class Chunk; -typedef std::shared_ptr<Chunk> ChunkPtr; +// fwd: +class Region; +typedef std::shared_ptr<Region> RegionPtr; class ChunkSource; @@ -18,19 +19,19 @@ class ChunkSource; -/** Caches chunk data for reuse */ -class ChunkCache : +/** Caches regions' chunk data for reuse */ +class RegionCache : public QObject { typedef QObject super; Q_OBJECT public: - explicit ChunkCache(QObject * parent = NULL); + explicit RegionCache(QObject * parent = NULL); - /** Retrieves the specified chunk from the cache. - Only returns valid chunks; if the chunk is invalid, queues it for rendering and returns an empty ptr. */ - ChunkPtr fetch(int a_ChunkX, int a_ChunkZ); + /** Retrieves the specified region from the cache. + Only returns valid regions; if the region is invalid, queues it for rendering and returns an empty ptr. */ + RegionPtr fetch(int a_RegionX, int a_RegionZ); /** Replaces the chunk source used by the biome view to get the chunk biome data. The cache is then invalidated. */ @@ -43,16 +44,16 @@ public: void reload(); signals: - void chunkAvailable(int a_ChunkX, int a_ChunkZ); + void regionAvailable(int a_RegionX, int a_RegionZ); protected slots: - void gotChunk(int a_ChunkX, int a_ChunkZ); + void gotRegion(int a_RegionX, int a_RegionZ); protected: /** The cache of the chunks */ - QCache<quint32, ChunkPtr> m_Cache; + QCache<quint32, RegionPtr> m_Cache; - /** Locks te cache against multithreaded access */ + /** Locks the cache against multithreaded access */ QMutex m_Mtx; /** The source used to get the biome data. */ @@ -60,10 +61,10 @@ protected: /** Returns the hash used by the chunk in the cache */ - quint32 getChunkHash(int a_ChunkX, int a_ChunkZ); + quint32 getRegionHash(int a_RegionX, int a_RegionZ); - /** Queues the specified chunk for rendering by m_ChunkSource. */ - void queueChunkRender(int a_ChunkX, int a_ChunkZ, ChunkPtr & a_Chunk); + /** Queues the specified region for rendering by m_RegionSource. */ + void queueRegionRender(int a_RegionX, int a_RegionZ, RegionPtr & a_Region); }; diff --git a/Tools/QtBiomeVisualiser/RegionLoader.cpp b/Tools/QtBiomeVisualiser/RegionLoader.cpp new file mode 100644 index 000000000..8c298da1e --- /dev/null +++ b/Tools/QtBiomeVisualiser/RegionLoader.cpp @@ -0,0 +1,37 @@ +#include "Globals.h" +#include "RegionLoader.h" +#include "ChunkSource.h" +#include "Region.h" + + + + + +RegionLoader::RegionLoader(int a_RegionX, int a_RegionZ, RegionPtr a_Region, ChunkSourcePtr a_ChunkSource) : + m_RegionX(a_RegionX), + m_RegionZ(a_RegionZ), + m_Region(a_Region), + m_ChunkSource(a_ChunkSource) +{ +} + + + + + +void RegionLoader::run() +{ + // Load all the chunks in this region: + for (int z = 0; z < 32; z++) + { + for (int x = 0; x < 32; x++) + { + m_ChunkSource->getChunkBiomes(m_RegionX * 32 + x, m_RegionZ * 32 + z, m_Region->getRelChunk(x, z)); + } + } + emit loaded(m_RegionX, m_RegionZ); +} + + + + diff --git a/Tools/QtBiomeVisualiser/RegionLoader.h b/Tools/QtBiomeVisualiser/RegionLoader.h new file mode 100644 index 000000000..5a993f5ca --- /dev/null +++ b/Tools/QtBiomeVisualiser/RegionLoader.h @@ -0,0 +1,50 @@ +#pragma once + +#include <QObject> +#include <QRunnable> +#include <memory> + + + + +// fwd: +class Region; +typedef std::shared_ptr<Region> RegionPtr; + +class ChunkSource; +typedef std::shared_ptr<ChunkSource> ChunkSourcePtr; + + + + + +class RegionLoader : + public QObject, + public QRunnable +{ + Q_OBJECT + +public: + RegionLoader(int a_RegionX, int a_RegionZ, RegionPtr a_Region, ChunkSourcePtr a_ChunkSource); + virtual ~RegionLoader() {} + +signals: + void loaded(int a_RegionX, int a_RegionZ); + +protected: + virtual void run() override; + +private: + /** Coords of the region to be loaded. */ + int m_RegionX, m_RegionZ; + + /** The region to be loaded. */ + RegionPtr m_Region; + + /** The chunk source to be used for individual chunks within the region. */ + ChunkSourcePtr m_ChunkSource; +}; + + + + |