/*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-/*
-(c) 2010 Perttu Ahola <celeron55@gmail.com>
-*/
-
-#ifndef MAPSECTOR_HEADER
-#define MAPSECTOR_HEADER
+#pragma once
-#include <jmutex.h>
-#include "common_irrlicht.h"
+#include "irrlichttypes.h"
+#include "irr_v2d.h"
#include "mapblock.h"
-#include "heightmap.h"
-#include "exceptions.h"
+#include <ostream>
+#include <map>
+#include <vector>
+
+class Map;
+class IGameDef;
/*
This is an Y-wise stack of MapBlocks.
*/
-#define WATER_LEVEL (-5)
-
-#define SECTOR_OBJECT_TEST 0
-#define SECTOR_OBJECT_TREE_1 1
-#define SECTOR_OBJECT_BUSH_1 2
-#define SECTOR_OBJECT_RAVINE 3
-
-#define MAPSECTOR_FIXEDHEIGHTMAPS_MAXCOUNT 4
-
#define MAPSECTOR_SERVER 0
#define MAPSECTOR_CLIENT 1
-class MapSector: public NodeContainer, public Heightmappish
+class MapSector
{
public:
-
- MapSector(NodeContainer *parent, v2s16 pos);
- virtual ~MapSector();
- virtual u16 nodeContainerId() const
- {
- return NODECONTAINER_ID_MAPSECTOR;
- }
-
- virtual u32 getId() const = 0;
+ MapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
+ virtual ~MapSector();
void deleteBlocks();
return m_pos;
}
- MapBlock * getBlockNoCreate(s16 y);
+ MapBlock * getBlockNoCreateNoEx(s16 y);
MapBlock * createBlankBlockNoInsert(s16 y);
MapBlock * createBlankBlock(s16 y);
- //MapBlock * getBlock(s16 y, bool generate=true);
void insertBlock(MapBlock *block);
-
- // This is used to remove a dummy from the sector while generating it.
- // Block is only removed from internal container, not deleted.
- void removeBlock(MapBlock *block);
-
- /*
- This might not be a thread-safe depending on the day.
- See the implementation.
- */
- void getBlocks(core::list<MapBlock*> &dest);
-
- /*
- If all nodes in area can be accessed, returns true and
- adds all blocks in area to blocks.
- If all nodes in area cannot be accessed, returns false.
+ void deleteBlock(MapBlock *block);
- The implementation of this is quite slow
+ void getBlocks(MapBlockVect &dest);
- if blocks==NULL; it is not accessed at all.
- */
- bool isValidArea(v3s16 p_min_nodes, v3s16 p_max_nodes,
- core::map<s16, MapBlock*> *blocks)
- {
- core::map<s16, MapBlock*> bs;
-
- v3s16 p_min = getNodeBlockPos(p_min_nodes);
- v3s16 p_max = getNodeBlockPos(p_max_nodes);
- if(p_min.X != 0 || p_min.Z != 0
- || p_max.X != 0 || p_max.Z != 0)
- return false;
- v3s16 y;
- for(s16 y=p_min.Y; y<=p_max.Y; y++)
- {
- try{
- MapBlock *block = getBlockNoCreate(y);
- if(block->isDummy())
- return false;
- if(blocks!=NULL)
- bs[y] = block;
- }
- catch(InvalidPositionException &e)
- {
- return false;
- }
- }
-
- if(blocks!=NULL)
- {
- for(core::map<s16, MapBlock*>::Iterator i=bs.getIterator();
- i.atEnd()==false; i++)
- {
- MapBlock *block = i.getNode()->getValue();
- s16 y = i.getNode()->getKey();
- blocks->insert(y, block);
- }
- }
- return true;
- }
-
- void getBlocksInArea(v3s16 p_min_nodes, v3s16 p_max_nodes,
- core::map<v3s16, MapBlock*> &blocks)
- {
- v3s16 p_min = getNodeBlockPos(p_min_nodes);
- v3s16 p_max = getNodeBlockPos(p_max_nodes);
- v3s16 y;
- for(s16 y=p_min.Y; y<=p_max.Y; y++)
- {
- try{
- MapBlock *block = getBlockNoCreate(y);
- blocks.insert(block->getPos(), block);
- }
- catch(InvalidPositionException &e)
- {
- }
- }
- }
-
- // virtual from NodeContainer
- bool isValidPosition(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
-
- if(blockpos.X != 0 || blockpos.Z != 0)
- return false;
-
- MapBlock *blockref;
- try{
- blockref = getBlockNoCreate(blockpos.Y);
- }
- catch(InvalidPositionException &e)
- {
- return false;
- }
-
- return true;
- }
-
- // virtual from NodeContainer
- MapNode getNode(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- if(blockpos.X != 0 || blockpos.Z != 0)
- throw InvalidPositionException
- ("MapSector only allows Y");
-
- MapBlock * blockref = getBlockNoCreate(blockpos.Y);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
-
- return blockref->getNode(relpos);
- }
- // virtual from NodeContainer
- void setNode(v3s16 p, MapNode & n)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- if(blockpos.X != 0 || blockpos.Z != 0)
- throw InvalidPositionException
- ("MapSector only allows Y");
-
- MapBlock * blockref = getBlockNoCreate(blockpos.Y);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- blockref->setNode(relpos, n);
- }
-
- virtual f32 getGroundHeight(v2s16 p, bool generate=false)
- {
- return GROUNDHEIGHT_NOTFOUND_SETVALUE;
- }
- virtual void setGroundHeight(v2s16 p, f32 y, bool generate=false)
- {
- }
-
- // When true, sector metadata is changed from the one on disk
- // (sector metadata = all but blocks)
- // Basically, this should be changed to true in every setter method
- bool differs_from_disk;
-
- // Counts seconds from last usage.
- // Sector can be deleted from memory after some time of inactivity.
- // NOTE: It has to be made very sure no other thread is accessing
- // the sector and it doesn't remain in any cache when
- // deleting it.
- float usage_timer;
+ bool empty() const { return m_blocks.empty(); }
+ int size() const { return m_blocks.size(); }
protected:
-
+
// The pile of MapBlocks
- core::map<s16, MapBlock*> m_blocks;
- //JMutex m_blocks_mutex; // For public access functions
+ std::unordered_map<s16, MapBlock*> m_blocks;
- NodeContainer *m_parent;
+ Map *m_parent;
// Position on parent (in MapBlock widths)
v2s16 m_pos;
- // Be sure to set this to NULL when the cached block is deleted
- MapBlock *m_block_cache;
+ IGameDef *m_gamedef;
+
+ // Last-used block is cached here for quicker access.
+ // Be sure to set this to nullptr when the cached block is deleted
+ MapBlock *m_block_cache = nullptr;
s16 m_block_cache_y;
-
- // This is used for protecting m_blocks
- JMutex m_mutex;
-
+
/*
Private methods
*/
MapBlock *getBlockBuffered(s16 y);
};
-
-class ServerMapSector : public MapSector
-{
-public:
- ServerMapSector(NodeContainer *parent, v2s16 pos, u16 hm_split);
- ~ServerMapSector();
-
- u32 getId() const
- {
- return MAPSECTOR_SERVER;
- }
-
- void setHeightmap(v2s16 hm_p, FixedHeightmap *hm);
- FixedHeightmap * getHeightmap(v2s16 hm_p);
-
- void printHeightmaps()
- {
- for(s16 y=0; y<m_hm_split; y++)
- for(s16 x=0; x<m_hm_split; x++)
- {
- std::cout<<"Sector "
- <<"("<<m_pos.X<<","<<m_pos.Y<<")"
- " heightmap "
- "("<<x<<","<<y<<"):"
- <<std::endl;
- FixedHeightmap *hm = getHeightmap(v2s16(x,y));
- hm->print();
- }
- }
-
- void setObjects(core::map<v3s16, u8> *objects)
- {
- m_objects = objects;
- differs_from_disk = true;
- }
-
- core::map<v3s16, u8> * getObjects()
- {
- differs_from_disk = true;
- return m_objects;
- }
-
- f32 getGroundHeight(v2s16 p, bool generate=false);
- void setGroundHeight(v2s16 p, f32 y, bool generate=false);
-
- /*
- These functions handle metadata.
- They do not handle blocks.
- */
- void serialize(std::ostream &os, u8 version);
-
- static ServerMapSector* deSerialize(
- std::istream &is,
- NodeContainer *parent,
- v2s16 p2d,
- Heightmap *master_hm,
- core::map<v2s16, MapSector*> & sectors
- );
-
-private:
- // Heightmap(s) for the sector
- FixedHeightmap *m_heightmaps[MAPSECTOR_FIXEDHEIGHTMAPS_MAXCOUNT];
- // Sector is split in m_hm_split^2 heightmaps.
- // Value of 0 means there is no heightmap.
- u16 m_hm_split;
- // These are removed when they are drawn to blocks.
- // - Each is drawn when generating blocks; When the last one of
- // the needed blocks is being generated.
- core::map<v3s16, u8> *m_objects;
-};
-
-class ClientMapSector : public MapSector
-{
-public:
- ClientMapSector(NodeContainer *parent, v2s16 pos);
- ~ClientMapSector();
-
- u32 getId() const
- {
- return MAPSECTOR_CLIENT;
- }
-
- void deSerialize(std::istream &is);
-
- s16 getCorner(u16 i)
- {
- return m_corners[i];
- }
-
-private:
- // The ground height of the corners is stored in here
- s16 m_corners[4];
-};
-
-#endif
-
projects / dragonfireclient.git / blobdiff