#include "exceptions.h"
#include "serialization.h"
#include "constants.h"
-#include "mapblockobject.h"
#include "voxel.h"
+#include "staticobject.h"
+#include "mapblock_nodemod.h"
+#include "modifiedstate.h"
-#define MAP_BLOCKSIZE 16
+class Map;
+class NodeMetadataList;
+class IGameDef;
+class IWritableNodeDefManager;
-// Named by looking towards z+
+#define BLOCK_TIMESTAMP_UNDEFINED 0xffffffff
+
+/*// Named by looking towards z+
enum{
FACE_BACK=0,
FACE_TOP,
FACE_FRONT,
FACE_BOTTOM,
FACE_LEFT
-};
-
-struct FastFace
-{
- TileSpec tile;
- video::S3DVertex vertices[4]; // Precalculated vertices
-};
-
-enum NodeModType
-{
- NODEMOD_NONE,
- NODEMOD_CHANGECONTENT, //param is content id
- NODEMOD_CRACK // param is crack progression
-};
+};*/
-struct NodeMod
+// NOTE: If this is enabled, set MapBlock to be initialized with
+// CONTENT_IGNORE.
+/*enum BlockGenerationStatus
{
- NodeMod(enum NodeModType a_type=NODEMOD_NONE, u16 a_param=0)
- {
- type = a_type;
- param = a_param;
- }
- enum NodeModType type;
- u16 param;
-};
-
+ // Completely non-generated (filled with CONTENT_IGNORE).
+ BLOCKGEN_UNTOUCHED=0,
+ // Trees or similar might have been blitted from other blocks to here.
+ // Otherwise, the block contains CONTENT_IGNORE
+ BLOCKGEN_FROM_NEIGHBORS=2,
+ // Has been generated, but some neighbors might put some stuff in here
+ // when they are generated.
+ // Does not contain any CONTENT_IGNORE
+ BLOCKGEN_SELF_GENERATED=4,
+ // The block and all its neighbors have been generated
+ BLOCKGEN_FULLY_GENERATED=6
+};*/
+
+#if 0
enum
{
NODECONTAINER_ID_MAPBLOCK,
virtual MapNode getNode(v3s16 p) = 0;
virtual void setNode(v3s16 p, MapNode & n) = 0;
virtual u16 nodeContainerId() const = 0;
+
+ MapNode getNodeNoEx(v3s16 p)
+ {
+ try{
+ return getNode(p);
+ }
+ catch(InvalidPositionException &e){
+ return MapNode(CONTENT_IGNORE);
+ }
+ }
};
+#endif
-class MapBlock : public NodeContainer
+/*
+ MapBlock itself
+*/
+
+class MapBlock /*: public NodeContainer*/
{
public:
- MapBlock(NodeContainer *parent, v3s16 pos, bool dummy=false);
+ MapBlock(Map *parent, v3s16 pos, IGameDef *gamedef, bool dummy=false);
~MapBlock();
- virtual u16 nodeContainerId() const
+ /*virtual u16 nodeContainerId() const
{
return NODECONTAINER_ID_MAPBLOCK;
+ }*/
+
+ Map * getParent()
+ {
+ return m_parent;
}
- NodeContainer * getParent()
+ void reallocate()
{
- return m_parent;
+ if(data != NULL)
+ delete[] data;
+ u32 l = MAP_BLOCKSIZE * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
+ data = new MapNode[l];
+ for(u32 i=0; i<l; i++){
+ //data[i] = MapNode();
+ data[i] = MapNode(CONTENT_IGNORE);
+ }
+ raiseModified(MOD_STATE_WRITE_NEEDED, "reallocate");
}
+ /*
+ Flags
+ */
+
bool isDummy()
{
return (data == NULL);
}
-
void unDummify()
{
assert(isDummy());
reallocate();
}
- bool getChangedFlag()
+ // m_modified methods
+ void raiseModified(u32 mod, const std::string &reason="unknown")
+ {
+ if(mod > m_modified){
+ m_modified = mod;
+ m_modified_reason = reason;
+ m_modified_reason_too_long = false;
+
+ if(m_modified >= MOD_STATE_WRITE_AT_UNLOAD){
+ m_disk_timestamp = m_timestamp;
+ }
+ } else if(mod == m_modified){
+ if(!m_modified_reason_too_long){
+ if(m_modified_reason.size() < 40)
+ m_modified_reason += ", " + reason;
+ else{
+ m_modified_reason += "...";
+ m_modified_reason_too_long = true;
+ }
+ }
+ }
+ }
+ u32 getModified()
{
- return changed;
+ return m_modified;
}
-
- void resetChangedFlag()
+ std::string getModifiedReason()
{
- changed = false;
+ return m_modified_reason;
}
-
- void setChangedFlag()
+ void resetModified()
+ {
+ m_modified = MOD_STATE_CLEAN;
+ m_modified_reason = "none";
+ m_modified_reason_too_long = false;
+ }
+
+ // is_underground getter/setter
+ bool getIsUnderground()
{
- changed = true;
+ return is_underground;
+ }
+ void setIsUnderground(bool a_is_underground)
+ {
+ is_underground = a_is_underground;
+ raiseModified(MOD_STATE_WRITE_NEEDED, "setIsUnderground");
}
+
#ifndef SERVER
void setMeshExpired(bool expired)
{
return m_mesh_expired;
}
#endif
- v3s16 getPos()
+
+ void setLightingExpired(bool expired)
{
- return m_pos;
+ if(expired != m_lighting_expired){
+ m_lighting_expired = expired;
+ raiseModified(MOD_STATE_WRITE_NEEDED, "setLightingExpired");
+ }
}
-
- v3s16 getPosRelative()
+ bool getLightingExpired()
{
- return m_pos * MAP_BLOCKSIZE;
+ return m_lighting_expired;
}
-
- bool getIsUnderground()
+
+ bool isGenerated()
{
- return is_underground;
+ return m_generated;
+ }
+ void setGenerated(bool b)
+ {
+ if(b != m_generated){
+ raiseModified(MOD_STATE_WRITE_NEEDED, "setGenerated");
+ m_generated = b;
+ }
}
- void setIsUnderground(bool a_is_underground)
+ bool isValid()
{
- is_underground = a_is_underground;
- setChangedFlag();
+ if(m_lighting_expired)
+ return false;
+ if(data == NULL)
+ return false;
+ return true;
}
+ /*
+ Position stuff
+ */
+
+ v3s16 getPos()
+ {
+ return m_pos;
+ }
+
+ v3s16 getPosRelative()
+ {
+ return m_pos * MAP_BLOCKSIZE;
+ }
+
core::aabbox3d<s16> getBox()
{
return core::aabbox3d<s16>(getPosRelative(),
+ v3s16(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE)
- v3s16(1,1,1));
}
-
- void reallocate()
- {
- if(data != NULL)
- delete[] data;
- u32 l = MAP_BLOCKSIZE * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
- data = new MapNode[l];
- for(u32 i=0; i<l; i++){
- data[i] = MapNode();
- }
- setChangedFlag();
- }
+ /*
+ Regular MapNode get-setters
+ */
+
bool isValidPosition(v3s16 p)
{
if(data == NULL)
&& p.Z >= 0 && p.Z < MAP_BLOCKSIZE);
}
- /*
- Regular MapNode get-setters
- */
-
MapNode getNode(s16 x, s16 y, s16 z)
{
if(data == NULL)
return getNode(p.X, p.Y, p.Z);
}
+ MapNode getNodeNoEx(v3s16 p)
+ {
+ try{
+ return getNode(p.X, p.Y, p.Z);
+ }catch(InvalidPositionException &e){
+ return MapNode(CONTENT_IGNORE);
+ }
+ }
+
void setNode(s16 x, s16 y, s16 z, MapNode & n)
{
if(data == NULL)
if(y < 0 || y >= MAP_BLOCKSIZE) throw InvalidPositionException();
if(z < 0 || z >= MAP_BLOCKSIZE) throw InvalidPositionException();
data[z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + y*MAP_BLOCKSIZE + x] = n;
- setChangedFlag();
+ raiseModified(MOD_STATE_WRITE_NEEDED, "setNode");
}
void setNode(v3s16 p, MapNode & n)
if(data == NULL)
throw InvalidPositionException();
data[z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + y*MAP_BLOCKSIZE + x] = n;
- setChangedFlag();
+ raiseModified(MOD_STATE_WRITE_NEEDED, "setNodeNoCheck");
}
void setNodeNoCheck(v3s16 p, MapNode & n)
setNode(x0+x, y0+y, z0+z, node);
}
- u8 getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
- v3s16 face_dir);
+ /*
+ Graphics-related methods
+ */
- u8 getFaceLight(u32 daynight_ratio, v3s16 p, v3s16 face_dir)
+#ifndef SERVER // Only on client
+
+ u8 getFaceLight2(u32 daynight_ratio, v3s16 p, v3s16 face_dir,
+ INodeDefManager *nodemgr)
{
return getFaceLight(daynight_ratio,
getNodeParentNoEx(p),
getNodeParentNoEx(p + face_dir),
- face_dir);
+ face_dir, nodemgr);
}
-#ifndef SERVER
- // light = 0...255
- static void makeFastFace(TileSpec tile, u8 light, v3f p,
- v3s16 dir, v3f scale, v3f posRelative_f,
- core::array<FastFace> &dest);
-
- TileSpec getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir);
- u8 getNodeContent(v3s16 p, MapNode mn);
-
+#if 1
/*
- startpos:
- translate_dir: unit vector with only one of x, y or z
- face_dir: unit vector with only one of x, y or z
+ Thread-safely updates the whole mesh of the mapblock.
+ NOTE: Prefer generating the mesh separately and then using
+ replaceMesh().
*/
- void updateFastFaceRow(
- u32 daynight_ratio,
- v3f posRelative_f,
- v3s16 startpos,
- u16 length,
- v3s16 translate_dir,
- v3f translate_dir_f,
- v3s16 face_dir,
- v3f face_dir_f,
- core::array<FastFace> &dest);
-
void updateMesh(u32 daynight_ratio);
- /*void updateMesh(s32 daynight_i);
- // Updates all DAYNIGHT_CACHE_COUNT meshes
- void updateMeshes(s32 first_i=0);*/
-#endif // !SERVER
+#endif
+ // Replace the mesh with a new one
+ void replaceMesh(scene::SMesh *mesh_new);
+#endif
// See comments in mapblock.cpp
- bool propagateSunlight(core::map<v3s16, bool> & light_sources);
+ bool propagateSunlight(core::map<v3s16, bool> & light_sources,
+ bool remove_light=false, bool *black_air_left=NULL);
// Copies data to VoxelManipulator to getPosRelative()
void copyTo(VoxelManipulator &dst);
+ // Copies data from VoxelManipulator getPosRelative()
+ void copyFrom(VoxelManipulator &dst);
- /*
- Object stuff
- */
-
- void serializeObjects(std::ostream &os, u8 version)
- {
- m_objects.serialize(os, version);
- }
- // If smgr!=NULL, new objects are added to the scene
- void updateObjects(std::istream &is, u8 version,
- scene::ISceneManager *smgr, u32 daynight_ratio)
- {
- m_objects.update(is, version, smgr, daynight_ratio);
-
- setChangedFlag();
- }
- void clearObjects()
- {
- m_objects.clear();
-
- setChangedFlag();
- }
- void addObject(MapBlockObject *object)
- throw(ContainerFullException, AlreadyExistsException)
- {
- m_objects.add(object);
-
- setChangedFlag();
- }
- void removeObject(s16 id)
- {
- m_objects.remove(id);
-
- setChangedFlag();
- }
- MapBlockObject * getObject(s16 id)
- {
- return m_objects.get(id);
- }
- JMutexAutoLock * getObjectLock()
- {
- return m_objects.getLock();
- }
-
- /*
- Moves objects, deletes objects and spawns new objects
- */
- void stepObjects(float dtime, bool server, u32 daynight_ratio);
-
- /*void wrapObject(MapBlockObject *object)
- {
- m_objects.wrapObject(object);
-
- setChangedFlag();
- }*/
-
- // origin is relative to block
- void getObjects(v3f origin, f32 max_d,
- core::array<DistanceSortedObject> &dest)
- {
- m_objects.getObjects(origin, max_d, dest);
- }
-
- /*void getPseudoObjects(v3f origin, f32 max_d,
- core::array<DistanceSortedObject> &dest);*/
-
- s32 getObjectCount()
- {
- return m_objects.getCount();
- }
-
-#ifndef SERVER
+#ifndef SERVER // Only on client
/*
Methods for setting temporary modifications to nodes for
drawing
+
+ returns true if the mod was different last time
*/
- void setTempMod(v3s16 p, NodeMod mod)
+ bool setTempMod(v3s16 p, const NodeMod &mod)
{
/*dstream<<"setTempMod called on block"
<<" ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
<<", mod.param="<<mod.param
<<std::endl;*/
JMutexAutoLock lock(m_temp_mods_mutex);
- m_temp_mods[p] = mod;
+
+ return m_temp_mods.set(p, mod);
}
// Returns true if there was one
- bool getTempMod(v3s16 p, struct NodeMod *mod)
+ bool getTempMod(v3s16 p, NodeMod *mod)
{
JMutexAutoLock lock(m_temp_mods_mutex);
- core::map<v3s16, NodeMod>::Node *n;
- n = m_temp_mods.find(p);
- if(n == NULL)
- return false;
- if(mod)
- *mod = n->getValue();
- return true;
+
+ return m_temp_mods.get(p, mod);
}
- void clearTempMod(v3s16 p)
+ bool clearTempMod(v3s16 p)
{
JMutexAutoLock lock(m_temp_mods_mutex);
- if(m_temp_mods.find(p))
- m_temp_mods.remove(p);
+
+ return m_temp_mods.clear(p);
}
- void clearTempMods()
+ bool clearTempMods()
{
JMutexAutoLock lock(m_temp_mods_mutex);
- m_temp_mods.clear();
+
+ return m_temp_mods.clear();
+ }
+ void copyTempMods(NodeModMap &dst)
+ {
+ JMutexAutoLock lock(m_temp_mods_mutex);
+ m_temp_mods.copy(dst);
}
#endif
/*
- Day-night lighting difference
+ Update day-night lighting difference flag.
+
+ Sets m_day_night_differs to appropriate value.
These methods don't care about neighboring blocks.
It means that to know if a block really doesn't need a mesh
s16 getGroundLevel(v2s16 p2d);
/*
- Serialization
+ Timestamp (see m_timestamp)
+ NOTE: BLOCK_TIMESTAMP_UNDEFINED=0xffffffff means there is no timestamp.
*/
+ void setTimestamp(u32 time)
+ {
+ m_timestamp = time;
+ raiseModified(MOD_STATE_WRITE_AT_UNLOAD, "setTimestamp");
+ }
+ void setTimestampNoChangedFlag(u32 time)
+ {
+ m_timestamp = time;
+ }
+ u32 getTimestamp()
+ {
+ return m_timestamp;
+ }
+ u32 getDiskTimestamp()
+ {
+ return m_disk_timestamp;
+ }
- // Doesn't write version by itself
- void serialize(std::ostream &os, u8 version);
-
- void deSerialize(std::istream &is, u8 version);
-
/*
- Public member variables
+ See m_usage_timer
*/
+ void resetUsageTimer()
+ {
+ m_usage_timer = 0;
+ }
+ void incrementUsageTimer(float dtime)
+ {
+ m_usage_timer += dtime;
+ }
+ u32 getUsageTimer()
+ {
+ return m_usage_timer;
+ }
-#ifndef SERVER
- //scene::SMesh *mesh[DAYNIGHT_CACHE_COUNT];
- scene::SMesh *mesh;
- JMutex mesh_mutex;
-#endif
+ /*
+ Serialization
+ */
+
+ // These don't write or read version by itself
+ // Set disk to true for on-disk format, false for over-the-network format
+ void serialize(std::ostream &os, u8 version, bool disk);
+ // If disk == true: In addition to doing other things, will add
+ // unknown blocks from id-name mapping to wndef
+ void deSerialize(std::istream &is, u8 version, bool disk);
private:
+ /*
+ Private methods
+ */
+
+ void serialize_pre22(std::ostream &os, u8 version, bool disk);
+ void deSerialize_pre22(std::istream &is, u8 version, bool disk);
/*
Used only internally, because changes can't be tracked
return getNodeRef(p.X, p.Y, p.Z);
}
+public:
+ /*
+ Public member variables
+ */
+
+#ifndef SERVER // Only on client
+ scene::SMesh *mesh;
+ JMutex mesh_mutex;
+#endif
+
+ NodeMetadataList *m_node_metadata;
+ StaticObjectList m_static_objects;
- NodeContainer *m_parent;
+private:
+ /*
+ Private member variables
+ */
+
+ // NOTE: Lots of things rely on this being the Map
+ Map *m_parent;
// Position in blocks on parent
v3s16 m_pos;
+
+ IGameDef *m_gamedef;
+
/*
If NULL, block is a dummy block.
Dummy blocks are used for caching not-found-on-disk blocks.
*/
MapNode * data;
+
/*
- - On the client, this is used for checking whether to
- recalculate the face cache. (Is it anymore?)
- On the server, this is used for telling whether the
- block has been changed from the one on disk.
+ block has been modified from the one on disk.
+ - On the client, this is used for nothing.
*/
- bool changed;
+ u32 m_modified;
+ std::string m_modified_reason;
+ bool m_modified_reason_too_long;
+
/*
- Used for some initial lighting stuff.
- At least /has been/ used. 8)
- It's probably useless now.
+ When propagating sunlight and the above block doesn't exist,
+ sunlight is assumed if this is false.
+
+ In practice this is set to true if the block is completely
+ undeground with nothing visible above the ground except
+ caves.
*/
bool is_underground;
+
+ /*
+ Set to true if changes has been made that make the old lighting
+ values wrong but the lighting hasn't been actually updated.
+
+ If this is false, lighting is exactly right.
+ If this is true, lighting might be wrong or right.
+ */
+ bool m_lighting_expired;
// Whether day and night lighting differs
bool m_day_night_differs;
-
- MapBlockObjectList m_objects;
- // Object spawning stuff
- float m_spawn_timer;
+ bool m_generated;
-#ifndef SERVER
+#ifndef SERVER // Only on client
+ /*
+ Set to true if the mesh has been ordered to be updated
+ sometime in the background.
+ In practice this is set when the day/night lighting switches.
+ */
bool m_mesh_expired;
// Temporary modifications to nodes
// These are only used when drawing
- core::map<v3s16, NodeMod> m_temp_mods;
+ NodeModMap m_temp_mods;
JMutex m_temp_mods_mutex;
#endif
+
+ /*
+ When block is removed from active blocks, this is set to gametime.
+ Value BLOCK_TIMESTAMP_UNDEFINED=0xffffffff means there is no timestamp.
+ */
+ u32 m_timestamp;
+ // The on-disk (or to-be on-disk) timestamp value
+ u32 m_disk_timestamp;
+
+ /*
+ When the block is accessed, this is set to 0.
+ Map will unload the block when this reaches a timeout.
+ */
+ float m_usage_timer;
};
inline bool blockpos_over_limit(v3s16 p)
return getContainerPos(y, MAP_BLOCKSIZE);
}
+/*
+ Get a quick string to describe what a block actually contains
+*/
+std::string analyze_block(MapBlock *block);
+
#endif