dfhack/plugins/regrass.cpp

165 lines
6.2 KiB
C++

// All above-ground soil not covered by buildings will be covered with grass.
// Necessary for worlds generated prior to version 0.31.19 - otherwise, outdoor shrubs and trees no longer grow.
#include "Core.h"
#include "Console.h"
#include "Export.h"
#include "PluginManager.h"
#include "DataDefs.h"
#include "df/world.h"
#include "df/world_raws.h"
#include "df/plant_raw.h"
#include "df/map_block.h"
#include "df/block_square_event.h"
//#include "df/block_square_event_type.h"
#include "df/block_square_event_grassst.h"
#include "TileTypes.h"
using std::string;
using std::vector;
using namespace std;
using namespace DFHack;
using df::global::world;
DFHACK_PLUGIN("regrass");
command_result df_regrass (color_ostream &out, vector <string> & parameters);
DFhackCExport command_result plugin_init (color_ostream &out, std::vector<PluginCommand> &commands)
{
commands.push_back(PluginCommand("regrass", "Regrows surface grass.", df_regrass, false,
"Specify parameter 'max' to set all grass types to full density, otherwise only one type of grass will be restored per tile.\n"));
return CR_OK;
}
DFhackCExport command_result plugin_shutdown ( color_ostream &out )
{
return CR_OK;
}
command_result df_regrass (color_ostream &out, vector <string> & parameters)
{
bool max = false;
if (!parameters.empty())
{
if(parameters[0] == "max")
max = true;
else
return CR_WRONG_USAGE;
}
CoreSuspender suspend;
int count = 0;
for (size_t i = 0; i < world->map.map_blocks.size(); i++)
{
df::map_block *cur = world->map.map_blocks[i];
// check block for grass events before looking at 16x16 tiles
df::block_square_event_grassst * grev = NULL;
for(size_t e=0; e<cur->block_events.size(); e++)
{
df::block_square_event * blev = cur->block_events[e];
df::block_square_event_type blevtype = blev->getType();
if(blevtype == df::block_square_event_type::grass)
{
grev = (df::block_square_event_grassst *)blev;
break;
}
}
if(!grev)
{
// in this worst case we should check other blocks, create a new event etc
// but looking at some maps that should happen very very rarely if at all
// a standard map block seems to always have up to 10 grass events we can refresh
continue;
}
for (int y = 0; y < 16; y++)
{
for (int x = 0; x < 16; x++)
{
if ( tileShape(cur->tiletype[x][y]) != tiletype_shape::FLOOR
|| cur->designation[x][y].bits.subterranean
|| cur->occupancy[x][y].bits.building
|| cur->occupancy[x][y].bits.no_grow)
continue;
// don't touch furrowed tiles (dirt roads made on soil)
if(tileSpecial(cur->tiletype[x][y]) == tiletype_special::FURROWED)
continue;
int mat = tileMaterial(cur->tiletype[x][y]);
if ( mat != tiletype_material::SOIL
&& mat != tiletype_material::GRASS_DARK // refill existing grass, too
&& mat != tiletype_material::GRASS_LIGHT // refill existing grass, too
)
continue;
// max = set amounts of all grass events on that tile to 100
if(max)
{
for(size_t e=0; e<cur->block_events.size(); e++)
{
df::block_square_event * blev = cur->block_events[e];
df::block_square_event_type blevtype = blev->getType();
if(blevtype == df::block_square_event_type::grass)
{
df::block_square_event_grassst * gr_ev = (df::block_square_event_grassst *)blev;
gr_ev->amount[x][y] = 100;
}
}
}
else
{
// try to find the 'original' event
bool regrew = false;
for(size_t e=0; e<cur->block_events.size(); e++)
{
df::block_square_event * blev = cur->block_events[e];
df::block_square_event_type blevtype = blev->getType();
if(blevtype == df::block_square_event_type::grass)
{
df::block_square_event_grassst * gr_ev = (df::block_square_event_grassst *)blev;
if(gr_ev->amount[x][y] > 0)
{
gr_ev->amount[x][y] = 100;
regrew = true;
break;
}
}
}
// if original could not be found (meaning it was already depleted):
// refresh random grass event in the map block
if(!regrew)
{
vector <df::block_square_event_grassst *> gr_evs;
for(size_t e=0; e<cur->block_events.size(); e++)
{
df::block_square_event * blev = cur->block_events[e];
df::block_square_event_type blevtype = blev->getType();
if(blevtype == df::block_square_event_type::grass)
{
df::block_square_event_grassst * gr_ev = (df::block_square_event_grassst *)blev;
gr_evs.push_back(gr_ev);
}
}
int r = rand() % gr_evs.size();
gr_evs[r]->amount[x][y]=100;
}
}
cur->tiletype[x][y] = findRandomVariant((rand() & 1) ? tiletype::GrassLightFloor1 : tiletype::GrassDarkFloor1);
count++;
}
}
}
if (count)
out.print("Regrew %d tiles of grass.\n", count);
return CR_OK;
}