X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapsector.h;h=dede364f6fe1f41a046210c36d336abf69ba25f2;hb=6e1372bd894d955300c40d69e5c882e9cc7d7523;hp=de93806b5a88703b91c7885eb2b6e8c67f211db0;hpb=be851871cd43316d12fd9a5f2cc6dec98a1c9ce0;p=minetest.git diff --git a/src/mapsector.h b/src/mapsector.h index de93806b5..dede364f6 100644 --- a/src/mapsector.h +++ b/src/mapsector.h @@ -1,64 +1,47 @@ /* -Minetest-c55 -Copyright (C) 2010 celeron55, Perttu Ahola +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola 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 -*/ - -#ifndef MAPSECTOR_HEADER -#define MAPSECTOR_HEADER +#pragma once -#include -#include "common_irrlicht.h" +#include "irrlichttypes.h" +#include "irr_v2d.h" #include "mapblock.h" -#include "heightmap.h" -#include "exceptions.h" +#include +#include +#include + +class Map; +class IGameDef; /* This is an Y-wise stack of MapBlocks. */ -#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_FIXEDHEIGHTMAPS_MAXCOUNT \ - (SECTOR_HEIGHTMAP_SPLIT * SECTOR_HEIGHTMAP_SPLIT) - #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(); @@ -68,274 +51,36 @@ class MapSector: public NodeContainer, public Heightmappish } MapBlock * getBlockNoCreateNoEx(s16 y); - MapBlock * getBlockNoCreate(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 &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. - - The implementation of this is quite slow - - if blocks==NULL; it is not accessed at all. - */ - bool isValidArea(v3s16 p_min_nodes, v3s16 p_max_nodes, - core::map *blocks) - { - core::map 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::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 &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); - } + void deleteBlock(MapBlock *block); - 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; + void getBlocks(MapBlockVect &dest); - // 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(); } protected: - + // The pile of MapBlocks - core::map m_blocks; - //JMutex m_blocks_mutex; // For public access functions + std::unordered_map 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; yprint(); - } - } - - void setObjects(core::map *objects) - { - m_objects = objects; - differs_from_disk = true; - } - - core::map * 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 & 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 *m_objects; -}; - -#ifndef SERVER -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 - -#endif -