X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Femerge.h;h=e1f5d5ab04468119658977f145756b29780a9030;hb=501f936b37046ab469844c5349054369de3e7fc6;hp=c8b99a6e1a15954829de3b9d63b861e69e7c59eb;hpb=9e811a92e7846b958e4bc84aeb30bad8b51e8e1d;p=minetest.git

diff --git a/src/emerge.h b/src/emerge.h
index c8b99a6e1..e1f5d5ab0 100644
--- a/src/emerge.h
+++ b/src/emerge.h
@@ -17,109 +17,161 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef EMERGE_HEADER
-#define EMERGE_HEADER
+#pragma once
 
 #include <map>
+#include <mutex>
+#include "network/networkprotocol.h"
 #include "irr_v3d.h"
 #include "util/container.h"
-#include "map.h" // for ManualMapVoxelManipulator
-#include "mapgen.h" // for MapgenParams
+#include "mapgen/mapgen.h" // for MapgenParams
+#include "map.h"
 
-#define MGPARAMS_SET_MGNAME      1
-#define MGPARAMS_SET_SEED        2
-#define MGPARAMS_SET_WATER_LEVEL 4
-#define MGPARAMS_SET_FLAGS       8
+#define BLOCK_EMERGE_ALLOW_GEN   (1 << 0)
+#define BLOCK_EMERGE_FORCE_QUEUE (1 << 1)
 
-#define BLOCK_EMERGE_ALLOWGEN (1<<0)
-
-#define EMERGE_DBG_OUT(x) \
-	{ if (enable_mapgen_debug_info) \
-	infostream << "EmergeThread: " x << std::endl; }
+#define EMERGE_DBG_OUT(x) {                            \
+	if (enable_mapgen_debug_info)                      \
+		infostream << "EmergeThread: " x << std::endl; \
+}
 
 class EmergeThread;
-class Biome;
-class BiomeDefManager;
-class Decoration;
-class Ore;
 class INodeDefManager;
 class Settings;
 
+class BiomeManager;
+class OreManager;
+class DecorationManager;
+class SchematicManager;
+class Server;
+
+// Structure containing inputs/outputs for chunk generation
 struct BlockMakeData {
-	ManualMapVoxelManipulator *vmanip;
-	u64 seed;
+	MMVManip *vmanip = nullptr;
+	u64 seed = 0;
 	v3s16 blockpos_min;
 	v3s16 blockpos_max;
 	v3s16 blockpos_requested;
 	UniqueQueue<v3s16> transforming_liquid;
-	INodeDefManager *nodedef;
+	INodeDefManager *nodedef = nullptr;
 
-	BlockMakeData():
-		vmanip(NULL),
-		seed(0),
-		nodedef(NULL)
-	{}
+	BlockMakeData() = default;
 
 	~BlockMakeData() { delete vmanip; }
 };
 
+// Result from processing an item on the emerge queue
+enum EmergeAction {
+	EMERGE_CANCELLED,
+	EMERGE_ERRORED,
+	EMERGE_FROM_MEMORY,
+	EMERGE_FROM_DISK,
+	EMERGE_GENERATED,
+};
+
+// Callback
+typedef void (*EmergeCompletionCallback)(
+	v3s16 blockpos, EmergeAction action, void *param);
+
+typedef std::vector<
+	std::pair<
+		EmergeCompletionCallback,
+		void *
+	>
+> EmergeCallbackList;
+
 struct BlockEmergeData {
 	u16 peer_requested;
-	u8 flags;
+	u16 flags;
+	EmergeCallbackList callbacks;
 };
 
 class EmergeManager {
 public:
 	INodeDefManager *ndef;
+	bool enable_mapgen_debug_info;
+
+	// Generation Notify
+	u32 gen_notify_on = 0;
+	std::set<u32> gen_notify_on_deco_ids;
+
+	// Parameters passed to mapgens owned by ServerMap
+	// TODO(hmmmm): Remove this after mapgen helper methods using them
+	// are moved to ServerMap
+	MapgenParams *mgparams;
+
+	// Hackish workaround:
+	// For now, EmergeManager must hold onto a ptr to the Map's setting manager
+	// since the Map can only be accessed through the Environment, and the
+	// Environment is not created until after script initialization.
+	MapSettingsManager *map_settings_mgr;
+
+	// Managers of various map generation-related components
+	BiomeManager *biomemgr;
+	OreManager *oremgr;
+	DecorationManager *decomgr;
+	SchematicManager *schemmgr;
+
+	// Methods
+	EmergeManager(Server *server);
+	~EmergeManager();
+	DISABLE_CLASS_COPY(EmergeManager);
 
-	std::map<std::string, MapgenFactory *> mglist;
+	bool initMapgens(MapgenParams *mgparams);
 
-	std::vector<Mapgen *> mapgen;
-	std::vector<EmergeThread *> emergethread;
+	void startThreads();
+	void stopThreads();
+	bool isRunning();
 
-	bool threads_active;
+	bool enqueueBlockEmerge(
+		session_t peer_id,
+		v3s16 blockpos,
+		bool allow_generate,
+		bool ignore_queue_limits=false);
 
-	//settings
-	MapgenParams params;
-	bool mapgen_debug_info;
-	u16 qlimit_total;
-	u16 qlimit_diskonly;
-	u16 qlimit_generate;
+	bool enqueueBlockEmergeEx(
+		v3s16 blockpos,
+		session_t peer_id,
+		u16 flags,
+		EmergeCompletionCallback callback,
+		void *callback_param);
 
-	u32 gennotify;
+	v3s16 getContainingChunk(v3s16 blockpos);
 
-	//block emerge queue data structures
-	JMutex queuemutex;
-	std::map<v3s16, BlockEmergeData *> blocks_enqueued;
-	std::map<u16, u16> peer_queue_count;
+	Mapgen *getCurrentMapgen();
 
-	//Mapgen-related structures
-	BiomeDefManager *biomedef;
-	std::vector<Ore *> ores;
-	std::vector<Decoration *> decorations;
+	// Mapgen helpers methods
+	int getSpawnLevelAtPoint(v2s16 p);
+	int getGroundLevelAtPoint(v2s16 p);
+	bool isBlockUnderground(v3s16 blockpos);
 
-	EmergeManager(IGameDef *gamedef);
-	~EmergeManager();
+	static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
 
-	void loadMapgenParams();
-	void initMapgens();
-	Mapgen *getCurrentMapgen();
-	Mapgen *createMapgen(std::string mgname, int mgid,
-						MapgenParams *mgparams);
-	MapgenSpecificParams *createMapgenParams(std::string mgname);
-	void startThreads();
-	void stopThreads();
-	bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
+private:
+	std::vector<Mapgen *> m_mapgens;
+	std::vector<EmergeThread *> m_threads;
+	bool m_threads_active = false;
 
-	void registerMapgen(std::string name, MapgenFactory *mgfactory);
-	void loadParamsFromSettings(Settings *settings);
-	void saveParamsToSettings(Settings *settings);
+	std::mutex m_queue_mutex;
+	std::map<v3s16, BlockEmergeData> m_blocks_enqueued;
+	std::unordered_map<u16, u16> m_peer_queue_count;
 
-	//mapgen helper methods
-	Biome *getBiomeAtPoint(v3s16 p);
-	int getGroundLevelAtPoint(v2s16 p);
-	bool isBlockUnderground(v3s16 blockpos);
-	u32 getBlockSeed(v3s16 p);
-};
+	u16 m_qlimit_total;
+	u16 m_qlimit_diskonly;
+	u16 m_qlimit_generate;
+
+	// Requires m_queue_mutex held
+	EmergeThread *getOptimalThread();
+
+	bool pushBlockEmergeData(
+		v3s16 pos,
+		u16 peer_requested,
+		u16 flags,
+		EmergeCompletionCallback callback,
+		void *callback_param,
+		bool *entry_already_exists);
 
-#endif
+	bool popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata);
+
+	friend class EmergeThread;
+};