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Permit usage of std::unordered_map & std::unorderered_set on c++11 compilers (#4430)
This fallback to std::map & std::set for older compilers Use UNORDERED_SET as an example in decoration and ore biome sets Use UNORDERED_MAP as an example in nameidmapping
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@ -156,7 +156,7 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
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}
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if (mg->biomemap) {
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std::set<u8>::iterator iter;
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UNORDERED_SET<u8>::iterator iter;
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if (!biomes.empty()) {
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iter = biomes.find(mg->biomemap[mapindex]);
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@ -20,7 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#ifndef MG_DECORATION_HEADER
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#define MG_DECORATION_HEADER
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#include <set>
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#include "util/cpp11_container.h"
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#include "objdef.h"
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#include "noise.h"
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#include "nodedef.h"
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@ -83,7 +83,7 @@ public:
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float fill_ratio;
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NoiseParams np;
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std::set<u8> biomes;
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UNORDERED_SET<u8> biomes;
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//std::list<CutoffData> cutoffs;
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//Mutex cutoff_mutex;
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};
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@ -148,7 +148,7 @@ void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed,
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if (biomemap && !biomes.empty()) {
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u32 index = sizex * (z0 - nmin.Z) + (x0 - nmin.X);
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std::set<u8>::iterator it = biomes.find(biomemap[index]);
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UNORDERED_SET<u8>::iterator it = biomes.find(biomemap[index]);
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if (it == biomes.end())
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continue;
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}
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@ -202,7 +202,7 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
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continue;
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if (biomemap && !biomes.empty()) {
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std::set<u8>::iterator it = biomes.find(biomemap[index]);
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UNORDERED_SET<u8>::iterator it = biomes.find(biomemap[index]);
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if (it == biomes.end())
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continue;
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}
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@ -270,7 +270,7 @@ void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed,
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continue;
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if (biomemap && !biomes.empty()) {
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std::set<u8>::iterator it = biomes.find(biomemap[index]);
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UNORDERED_SET<u8>::iterator it = biomes.find(biomemap[index]);
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if (it == biomes.end())
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continue;
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}
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@ -338,7 +338,7 @@ void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
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if (biomemap && !biomes.empty()) {
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u32 bmapidx = sizex * (z0 - nmin.Z) + (x0 - nmin.X);
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std::set<u8>::iterator it = biomes.find(biomemap[bmapidx]);
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UNORDERED_SET<u8>::iterator it = biomes.find(biomemap[bmapidx]);
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if (it == biomes.end())
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continue;
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}
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@ -422,7 +422,7 @@ void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed,
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if (biomemap && !biomes.empty()) {
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u32 bmapidx = sizex * (z - nmin.Z) + (x - nmin.X);
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std::set<u8>::iterator it = biomes.find(biomemap[bmapidx]);
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UNORDERED_SET<u8>::iterator it = biomes.find(biomemap[bmapidx]);
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if (it == biomes.end())
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continue;
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}
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@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#ifndef MG_ORE_HEADER
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#define MG_ORE_HEADER
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#include "util/cpp11_container.h"
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#include "objdef.h"
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#include "noise.h"
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#include "nodedef.h"
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@ -64,7 +65,7 @@ public:
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float nthresh; // threshold for noise at which an ore is placed
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NoiseParams np; // noise for distribution of clusters (NULL for uniform scattering)
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Noise *noise;
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std::set<u8> biomes;
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UNORDERED_SET<u8> biomes;
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Ore();
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virtual ~Ore();
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@ -25,7 +25,7 @@ void NameIdMapping::serialize(std::ostream &os) const
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{
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writeU8(os, 0); // version
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writeU16(os, m_id_to_name.size());
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for(std::map<u16, std::string>::const_iterator
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for(UNORDERED_MAP<u16, std::string>::const_iterator
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i = m_id_to_name.begin();
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i != m_id_to_name.end(); ++i){
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writeU16(os, i->first);
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@ -23,15 +23,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include <string>
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#include <iostream>
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#include <set>
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#include <map>
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#include "irrlichttypes_bloated.h"
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#include "util/cpp11_container.h"
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class NameIdMapping
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{
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public:
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void serialize(std::ostream &os) const;
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void deSerialize(std::istream &is);
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void clear(){
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m_id_to_name.clear();
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m_name_to_id.clear();
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@ -55,7 +55,7 @@ public:
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m_name_to_id.erase(name);
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}
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bool getName(u16 id, std::string &result) const{
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std::map<u16, std::string>::const_iterator i;
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UNORDERED_MAP<u16, std::string>::const_iterator i;
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i = m_id_to_name.find(id);
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if(i == m_id_to_name.end())
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return false;
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@ -63,7 +63,7 @@ public:
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return true;
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}
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bool getId(const std::string &name, u16 &result) const{
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std::map<std::string, u16>::const_iterator i;
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UNORDERED_MAP<std::string, u16>::const_iterator i;
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i = m_name_to_id.find(name);
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if(i == m_name_to_id.end())
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return false;
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@ -74,8 +74,8 @@ public:
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return m_id_to_name.size();
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}
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private:
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std::map<u16, std::string> m_id_to_name;
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std::map<std::string, u16> m_name_to_id;
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UNORDERED_MAP<u16, std::string> m_id_to_name;
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UNORDERED_MAP<std::string, u16> m_name_to_id;
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};
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#endif
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@ -100,7 +100,7 @@ Biome *get_or_load_biome(lua_State *L, int index,
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BiomeManager *biomemgr);
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Biome *read_biome_def(lua_State *L, int index, INodeDefManager *ndef);
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size_t get_biome_list(lua_State *L, int index,
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BiomeManager *biomemgr, std::set<u8> *biome_id_list);
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BiomeManager *biomemgr, UNORDERED_SET<u8> *biome_id_list);
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Schematic *get_or_load_schematic(lua_State *L, int index,
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SchematicManager *schemmgr, StringMap *replace_names);
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@ -401,7 +401,7 @@ Biome *read_biome_def(lua_State *L, int index, INodeDefManager *ndef)
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size_t get_biome_list(lua_State *L, int index,
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BiomeManager *biomemgr, std::set<u8> *biome_id_list)
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BiomeManager *biomemgr, UNORDERED_SET<u8> *biome_id_list)
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{
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if (index < 0)
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index = lua_gettop(L) + 1 + index;
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35
src/util/cpp11_container.h
Normal file
35
src/util/cpp11_container.h
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@ -0,0 +1,35 @@
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/*
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Minetest
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Copyright (C) 2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MT_CPP11CONTAINER_HEADER
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#define MT_CPP11CONTAINER_HEADER
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#if __cplusplus >= 201103L
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#include <unordered_map>
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#include <unordered_set>
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#define UNORDERED_MAP std::unordered_map
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#define UNORDERED_SET std::unordered_set
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#else
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#include <map>
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#include <set>
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#define UNORDERED_MAP std::map
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#define UNORDERED_SET std::set
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#endif
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#endif
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