HTTP API: Allow binary downloads and headers (#8573)

[dragonfireclient.git] / src / emerge.h

diff --git a/src/emerge.h b/src/emerge.h
index b72b2a2c35fee3e148e8e53a3fde5db86d6b5c78..df849e54210b397e3487de777036e1fb4cfa0749 100644 (file)
--- a/src/emerge.h
+++ b/src/emerge.h
@@ -17,47 +17,45 @@ 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 "mapgen.h" // for MapgenParams
+#include "mapgen/mapgen.h" // for MapgenParams
 #include "map.h"
 
 #define BLOCK_EMERGE_ALLOW_GEN   (1 << 0)
 #define BLOCK_EMERGE_FORCE_QUEUE (1 << 1)
 
-#define EMERGE_DBG_OUT(x) do {                         \
+#define EMERGE_DBG_OUT(x) {                            \
        if (enable_mapgen_debug_info)                      \
                infostream << "EmergeThread: " x << std::endl; \
-} while (0)
+}
 
 class EmergeThread;
-class INodeDefManager;
+class NodeDefManager;
 class Settings;
 
 class BiomeManager;
 class OreManager;
 class DecorationManager;
 class SchematicManager;
+class Server;
 
 // Structure containing inputs/outputs for chunk generation
 struct BlockMakeData {
-       MMVManip *vmanip;
-       u64 seed;
+       MMVManip *vmanip = nullptr;
+       u64 seed = 0;
        v3s16 blockpos_min;
        v3s16 blockpos_max;
        v3s16 blockpos_requested;
        UniqueQueue<v3s16> transforming_liquid;
-       INodeDefManager *nodedef;
+       const NodeDefManager *nodedef = nullptr;
 
-       BlockMakeData():
-               vmanip(NULL),
-               seed(0),
-               nodedef(NULL)
-       {}
+       BlockMakeData() = default;
 
        ~BlockMakeData() { delete vmanip; }
 };
@@ -90,15 +88,23 @@ struct BlockEmergeData {
 
 class EmergeManager {
 public:
-       INodeDefManager *ndef;
+       const NodeDefManager *ndef;
        bool enable_mapgen_debug_info;
 
        // Generation Notify
-       u32 gen_notify_on;
+       u32 gen_notify_on = 0;
        std::set<u32> gen_notify_on_deco_ids;
 
-       // Map generation parameters
-       MapgenParams params;
+       // 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;
@@ -107,24 +113,25 @@ class EmergeManager {
        SchematicManager *schemmgr;
 
        // Methods
-       EmergeManager(IGameDef *gamedef);
+       EmergeManager(Server *server);
        ~EmergeManager();
+       DISABLE_CLASS_COPY(EmergeManager);
 
-       void loadMapgenParams();
-       void initMapgens();
+       void initMapgens(MapgenParams *mgparams);
 
        void startThreads();
        void stopThreads();
+       bool isRunning();
 
        bool enqueueBlockEmerge(
-               u16 peer_id,
+               session_t peer_id,
                v3s16 blockpos,
                bool allow_generate,
                bool ignore_queue_limits=false);
 
        bool enqueueBlockEmergeEx(
                v3s16 blockpos,
-               u16 peer_id,
+               session_t peer_id,
                u16 flags,
                EmergeCompletionCallback callback,
                void *callback_param);
@@ -134,23 +141,20 @@ class EmergeManager {
        Mapgen *getCurrentMapgen();
 
        // Mapgen helpers methods
-       Biome *getBiomeAtPoint(v3s16 p);
+       int getSpawnLevelAtPoint(v2s16 p);
        int getGroundLevelAtPoint(v2s16 p);
        bool isBlockUnderground(v3s16 blockpos);
 
-       static MapgenFactory *getMapgenFactory(const std::string &mgname);
-       static void getMapgenNames(
-               std::vector<const char *> *mgnames, bool include_hidden);
        static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
 
 private:
        std::vector<Mapgen *> m_mapgens;
        std::vector<EmergeThread *> m_threads;
-       bool m_threads_active;
+       bool m_threads_active = false;
 
-       Mutex m_queue_mutex;
+       std::mutex m_queue_mutex;
        std::map<v3s16, BlockEmergeData> m_blocks_enqueued;
-       std::map<u16, u16> m_peer_queue_count;
+       std::unordered_map<u16, u16> m_peer_queue_count;
 
        u16 m_qlimit_total;
        u16 m_qlimit_diskonly;
@@ -158,11 +162,16 @@ class EmergeManager {
 
        // Requires m_queue_mutex held
        EmergeThread *getOptimalThread();
-       bool pushBlockEmergeData(v3s16 pos, u16 peer_requested, u16 flags,
-               EmergeCompletionCallback callback, void *callback_param);
+
+       bool pushBlockEmergeData(
+               v3s16 pos,
+               u16 peer_requested,
+               u16 flags,
+               EmergeCompletionCallback callback,
+               void *callback_param,
+               bool *entry_already_exists);
+
        bool popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata);
 
        friend class EmergeThread;
 };
-
-#endif