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Merge remote-tracking branch 'abstern/autofarm-fallow-if-no-eligible-plants' into develop

develop
lethosor 2021-01-30 18:09:12 -05:00
parent 813a353ec2 78df890217
commit c78866aba7
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GPG Key ID: 76A269552F4F58C1
1 changed files with 34 additions and 9 deletions
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43
plugins/autofarm.cpp
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@ -197,15 +197,44 @@ public:
}
}
string get_plant_name(int plant_id)
{
df::plant_raw *raw = df::plant_raw::find(plant_id);
if (raw)
return raw->name;
else
return "NONE";
}
void set_farm(color_ostream& out, int new_plant_id, df::building_farmplotst* farm, int season)
{
int old_plant_id = farm->plant_id[season];
if (old_plant_id != new_plant_id)
{
farm->plant_id[season] = new_plant_id;
out << "autofarm: changing farm #" << farm->id <<
" from " << get_plant_name(old_plant_id) <<
" to " << get_plant_name(new_plant_id) << endl;
}
}
void set_farms(color_ostream& out, set<int> plants, vector<df::building_farmplotst*> farms)
{
// this algorithm attempts to change as few farms as possible, while ensuring that
// the number of farms planting each eligible plant is "as equal as possible"
if (farms.empty() || plants.empty())
return; // do nothing if there are no farms or no plantable plants
int season = *df::global::cur_season;
if (farms.empty() || plants.empty())
{
// if no more plants were requested, fallow all farms
// if there were no farms, do nothing
for (auto farm : farms)
{
set_farm(out, -1, farm, season);
}
return;
}
int min = farms.size() / plants.size(); // the number of farms that should plant each eligible plant, rounded down
int extra = farms.size() - min * plants.size(); // the remainder that cannot be evenly divided
@ -236,11 +265,7 @@ public:
{
// pick one of the excess farms and change it to plant this plant
df::building_farmplotst* farm = toChange.front();
int o = farm->plant_id[season];
farm->plant_id[season] = n;
out << "autofarm: changing farm #" << farm->id <<
" from " << ((o == -1) ? "NONE" : world->raws.plants.all[o]->name) <<
" to " << ((n == -1) ? "NONE" : world->raws.plants.all[n]->name) << endl;
set_farm(out, n, farm, season);
toChange.pop();
if (c++ == min)
extra--;