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Sort mods by dependencies defined by modpath/depends.txt in each mod (not mandatory)

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This commit is contained in:
Perttu Ahola 2011-11-27 11:44:05 +02:00
parent 739cb87385
commit a8a82e0b21
1 changed files with 46 additions and 5 deletions
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51
src/server.cpp
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@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "server.h"
#include "utility.h"
#include <iostream>
#include <queue>
#include "clientserver.h"
#include "map.h"
#include "jmutexautolock.h"
@ -927,20 +928,32 @@ u32 PIChecksum(core::list<PlayerInfo> &l)
return checksum;
}
/*
Mods
*/
struct ModSpec
{
std::string name;
std::string path;
std::set<std::string> depends;
std::set<std::string> unsatisfied_depends;
ModSpec(const std::string &name_="", const std::string path_=""):
ModSpec(const std::string &name_="", const std::string path_="",
const std::set<std::string> &depends_=std::set<std::string>()):
name(name_),
path(path_)
path(path_),
depends(depends_),
unsatisfied_depends(depends_)
{}
};
// Get a dependency-sorted list of ModSpecs
static core::list<ModSpec> getMods(core::list<std::string> &modspaths)
{
core::list<ModSpec> mods;
std::queue<ModSpec> mods_satisfied;
core::list<ModSpec> mods_unsorted;
core::list<ModSpec> mods_sorted;
for(core::list<std::string>::Iterator i = modspaths.begin();
i != modspaths.end(); i++){
std::string modspath = *i;
@ -950,10 +963,38 @@ static core::list<ModSpec> getMods(core::list<std::string> &modspaths)
continue;
std::string modname = dirlist[j].name;
std::string modpath = modspath + DIR_DELIM + modname;
mods.push_back(ModSpec(modname, modpath));
std::set<std::string> depends;
std::ifstream is((modpath+DIR_DELIM+"depends.txt").c_str(),
std::ios_base::binary);
while(is.good()){
std::string dep;
std::getline(is, dep);
dep = trim(dep);
if(dep != "")
depends.insert(dep);
}
ModSpec spec(modname, modpath, depends);
mods_unsorted.push_back(spec);
if(depends.empty())
mods_satisfied.push(spec);
}
}
return mods;
while(!mods_satisfied.empty()){
ModSpec mod = mods_satisfied.front();
mods_satisfied.pop();
mods_sorted.push_back(mod);
for(core::list<ModSpec>::Iterator i = mods_unsorted.begin();
i != mods_unsorted.end(); i++){
ModSpec mod2 = *i;
if(mod2.unsatisfied_depends.empty())
continue;
mod2.unsatisfied_depends.erase(mod.name);
if(!mod2.unsatisfied_depends.empty())
continue;
mods_satisfied.push(mod2);
}
}
return mods_sorted;
}
/*