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Common mods support

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Implement "common mods", includeable from
  {$user,$share}/games/common/$modname
by using the game.conf setting
  common_mods = $modname,$modname2,...
This commit is contained in:
Perttu Ahola 2013-03-21 18:48:21 +02:00
parent 9b5bb5c755
commit 306d1ab866
4 changed files with 68 additions and 7 deletions
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52
src/mods.cpp
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@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "log.h"
#include "subgame.h"
#include "settings.h"
#include "strfnd.h"
std::map<std::string, ModSpec> getModsInPath(std::string path)
{
@ -188,11 +189,58 @@ void ModConfiguration::addMods(std::vector<ModSpec> new_mods)
}
}
// If failed, returned modspec has name==""
static ModSpec findCommonMod(const std::string &modname)
{
// Try to find in {$user,$share}/games/common/$modname
std::vector<std::string> find_paths;
find_paths.push_back(porting::path_user + DIR_DELIM + "games" +
DIR_DELIM + "common" + DIR_DELIM + "mods" + DIR_DELIM + modname);
find_paths.push_back(porting::path_share + DIR_DELIM + "games" +
DIR_DELIM + "common" + DIR_DELIM + "mods" + DIR_DELIM + modname);
for(u32 i=0; i<find_paths.size(); i++){
const std::string &try_path = find_paths[i];
if(fs::PathExists(try_path))
return ModSpec(modname, try_path);
}
// Failed to find mod
return ModSpec();
}
ModConfiguration::ModConfiguration(std::string worldpath)
{
SubgameSpec gamespec = findWorldSubgame(worldpath);
// Add common mods without dependency handling
std::vector<std::string> inexistent_common_mods;
Settings gameconf;
if(getGameConfig(gamespec.path, gameconf)){
if(gameconf.exists("common_mods")){
Strfnd f(gameconf.get("common_mods"));
while(!f.atend()){
std::string modname = trim(f.next(","));
if(modname.empty())
continue;
ModSpec spec = findCommonMod(modname);
if(spec.name.empty())
inexistent_common_mods.push_back(modname);
else
m_sorted_mods.push_back(spec);
}
}
}
if(!inexistent_common_mods.empty()){
std::string s = "Required common mods ";
for(u32 i=0; i<inexistent_common_mods.size(); i++){
if(i != 0) s += ", ";
s += std::string("\"") + inexistent_common_mods[i] + "\"";
}
s += " could not be found.";
throw ModError(s);
}
// Add all world mods and all game mods
addModsInPath(worldpath + DIR_DELIM + "worldmods");
SubgameSpec gamespec = findWorldSubgame(worldpath);
addModsInPath(gamespec.gamemods_path);
// check world.mt file for mods explicitely declared to be
@ -217,6 +265,6 @@ ModConfiguration::ModConfiguration(std::string worldpath)
}
for(std::set<std::string>::const_iterator i = gamespec.addon_mods_paths.begin();
i != gamespec.addon_mods_paths.end(); ++i)
i != gamespec.addon_mods_paths.end(); ++i)
addModsInPathFiltered((*i),exclude_mod_names);
}