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dfhack/plugins/liquids.cpp

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// plugin liquids
//
// This is a rewrite of the liquids module which can also be used non-interactively (hotkey).
// First the user sets the mode and other parameters with the interactive command liqiudsgo
// just like in the original liquids module.
// They are stored in statics to allow being used after the interactive session was closed.
// After defining an action the non-interactive command liquids-here can be used to call the
// execute method without the necessity to go back to the console. This allows convenient painting
// of liquids and obsidian using the ingame cursor and a hotkey.
//
// Commands:
// liquids - basically the original liquids with the map changing stuff moved to an execute method
// liquids-here - runs the execute method with the last settings from liquids
// (intended to be mapped to a hotkey)
// Options:
// ?, help - print some help
//
// TODO:
// - maybe allow all parameters be passed as command line options? tedious parsing but might be useful
// - grab the code from digcircle to get a circle brush - could be nice when painting with obsidian
// - maybe store the last parameters in a file to make them persistent after dfhack is closed?
#include <cstdlib>
#include <iostream>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <stack>
#include <vector>
using std::vector;
using std::string;
using std::endl;
using std::set;
#include "Console.h"
#include "Core.h"
#include "Export.h"
#include "LuaTools.h"
#include "PluginManager.h"
#include "TileTypes.h"
#include "modules/Gui.h"
#include "modules/MapCache.h"
#include "modules/Maps.h"
#include "df/world.h"
#include "Brushes.h"
using namespace MapExtras;
using namespace DFHack;
using namespace df::enums;
DFHACK_PLUGIN("liquids");
REQUIRE_GLOBAL(world);
CommandHistory liquids_hist;
command_result df_liquids (color_ostream &out, vector <string> & parameters);
command_result df_liquids_here (color_ostream &out, vector <string> & parameters);
DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
{
liquids_hist.load("liquids.history");
commands.push_back(PluginCommand(
"liquids", "Place magma, water or obsidian.",
df_liquids, true,
"This tool allows placing magma, water and other similar things.\n"
"It is interactive and further help is available when you run it.\n"
"The settings will be remembered until dfhack is closed and you can call\n"
"'liquids-here' (mapped to a hotkey) to paint liquids at the cursor position\n"
"without the need to go back to the dfhack console.\n")); // interactive, needs console for prompt
commands.push_back(PluginCommand(
"liquids-here", "Use settings from liquids at cursor position.",
df_liquids_here, Gui::cursor_hotkey, // non-interactive, needs ingame cursor
" This command is intended to be mapped to a hotkey and is identical to pressing Enter in liquids with the current parameters.\n"));
return CR_OK;
}
DFhackCExport command_result plugin_shutdown ( color_ostream &out )
{
liquids_hist.save("liquids.history");
return CR_OK;
}
enum BrushType {
B_POINT, B_RANGE, B_BLOCK, B_COLUMN, B_FLOOD
};
static const char *brush_name[] = {
"point", "range", "block", "column", "flood", NULL
};
enum PaintMode {
P_WATER, P_MAGMA, P_OBSIDIAN, P_OBSIDIAN_FLOOR,
P_RIVER_SOURCE, P_FLOW_BITS, P_WCLEAN
};
static const char *paint_mode_name[] = {
"water", "magma", "obsidian", "obsidian_floor",
"riversource", "flowbits", "wclean", NULL
};
enum ModifyMode {
M_INC, M_KEEP, M_DEC
};
static const char *modify_mode_name[] = {
"+", ".", "-", NULL
};
enum PermaflowMode {
PF_KEEP, PF_NONE,
PF_NORTH, PF_SOUTH, PF_EAST, PF_WEST,
PF_NORTHEAST, PF_NORTHWEST, PF_SOUTHEAST, PF_SOUTHWEST
};
static const char *permaflow_name[] = {
".", "-", "N", "S", "E", "W",
"NE", "NW", "SE", "SW", NULL
};
#define X(name) tile_liquid_flow_dir::name
static const df::tile_liquid_flow_dir permaflow_id[] = {
X(none), X(none), X(north), X(south), X(east), X(west),
X(northeast), X(northwest), X(southeast), X(southwest)
};
#undef X
struct OperationMode {
BrushType brush;
PaintMode paint;
ModifyMode flowmode;
ModifyMode setmode;
PermaflowMode permaflow;
unsigned int amount;
df::coord size;
OperationMode() :
brush(B_POINT), paint(P_MAGMA),
flowmode(M_INC), setmode(M_KEEP), permaflow(PF_KEEP), amount(7),
size(1,1,1)
{}
} cur_mode;
command_result df_liquids_execute(color_ostream &out);
command_result df_liquids_execute(color_ostream &out, OperationMode &mode, df::coord pos);
static void print_prompt(std::ostream &str, OperationMode &cur_mode)
{
str <<"[" << paint_mode_name[cur_mode.paint] << ":" << brush_name[cur_mode.brush];
if (cur_mode.brush == B_RANGE)
str << "(w" << cur_mode.size.x << ":h" << cur_mode.size.y << ":z" << cur_mode.size.z << ")";
str << ":" << cur_mode.amount << ":f" << modify_mode_name[cur_mode.flowmode]
<< ":s" << modify_mode_name[cur_mode.setmode]
<< ":pf" << permaflow_name[cur_mode.permaflow]
<< "]";
}
command_result df_liquids (color_ostream &out_, vector <string> & parameters)
{
if(!out_.is_console())
return CR_FAILURE;
Console &out = static_cast<Console&>(out_);
for(size_t i = 0; i < parameters.size();i++)
{
if(parameters[i] == "help" || parameters[i] == "?")
return CR_WRONG_USAGE;
}
if (!Maps::IsValid())
{
out.printerr("Map is not available!\n");
return CR_FAILURE;
}
std::vector<std::string> commands;
bool end = false;
out << "Welcome to the liquid spawner.\nType 'help' or '?' for a list of available commands, 'q' to quit.\nPress return after a command to confirm." << std::endl;
while(!end)
{
string input = "";
std::stringstream str;
print_prompt(str, cur_mode);
str << "# ";
int rv;
while ((rv = out.lineedit(str.str(),input,liquids_hist))
== Console::RETRY);
if (rv <= Console::FAILURE)
return rv == Console::FAILURE ? CR_FAILURE : CR_OK;
liquids_hist.add(input);
commands.clear();
Core::cheap_tokenise(input, commands);
string command = commands.empty() ? "" : commands[0];
if(command=="help" || command == "?")
{
out << "Modes:" << endl
<< "m - switch to magma" << endl
<< "w - switch to water" << endl
<< "o - make obsidian wall instead" << endl
<< "of - make obsidian floors" << endl
<< "rs - make a river source" << endl
<< "f - flow bits only" << endl
<< "wclean - remove salt and stagnant flags from tiles" << endl
<< "Set-Modes (only for magma/water):" << endl
<< "s+ - only add" << endl
<< "s. - set" << endl
<< "s- - only remove" << endl
<< "Properties (only for magma/water):" << endl
<< "f+ - make the spawned liquid flow" << endl
<< "f. - don't change flow state (read state in flow mode)" << endl
<< "f- - make the spawned liquid static" << endl
<< "Permaflow (only for water):" << endl
<< "pf. - don't change permaflow state" << endl
<< "pf- - make the spawned liquid static" << endl
<< "pf[NS][EW] - make the spawned liquid permanently flow" << endl
<< "0-7 - set liquid amount" << endl
<< "Brush:" << endl
<< "point - single tile [p]" << endl
<< "range - block with cursor at bottom north-west [r]" << endl
<< " (any place, any size)" << endl
<< "block - DF map block with cursor in it" << endl
<< " (regular spaced 16x16x1 blocks)" << endl
<< "column - Column from cursor, up through free space" << endl
<< "flood - Flood-fill water tiles from cursor" << endl
<< " (only makes sense with wclean)" << endl
<< "Other:" << endl
<< "q - quit" << endl
<< "help or ? - print this list of commands" << endl
<< "empty line - put liquid" << endl
<< endl
<< "Usage: point the DF cursor at a tile you want to modify" << endl
<< "and use the commands available :)" << endl;
out << endl << "Settings will be remembered until you quit DF. You can call liquids-here to execute the last configured action. Useful in combination with keybindings." << endl;
}
else if(command == "m")
{
cur_mode.paint = P_MAGMA;
}
else if(command == "o")
{
cur_mode.paint = P_OBSIDIAN;
}
else if(command == "of")
{
cur_mode.paint = P_OBSIDIAN_FLOOR;
}
else if(command == "w")
{
cur_mode.paint = P_WATER;
}
else if(command == "f")
{
cur_mode.paint = P_FLOW_BITS;
}
else if(command == "rs")
{
cur_mode.paint = P_RIVER_SOURCE;
}
else if(command == "wclean")
{
cur_mode.paint = P_WCLEAN;
}
else if(command == "point" || command == "p")
{
cur_mode.brush = B_POINT;
}
else if(command == "range" || command == "r")
{
int width = 1, height = 1, z_levels = 1;
command_result res = parseRectangle(out, commands, 1, commands.size(),
width, height, z_levels);
if (res != CR_OK)
{
return res;
}
if (width == 1 && height == 1 && z_levels == 1)
{
cur_mode.brush = B_POINT;
cur_mode.size = df::coord(1, 1, 1);
}
else
{
cur_mode.brush = B_RANGE;
cur_mode.size = df::coord(width, height, z_levels);
}
}
else if(command == "block")
{
cur_mode.brush = B_BLOCK;
}
else if(command == "column")
{
cur_mode.brush = B_COLUMN;
}
else if(command == "flood")
{
cur_mode.brush = B_FLOOD;
}
else if(command == "q")
{
end = true;
}
else if(command == "f+")
{
cur_mode.flowmode = M_INC;
}
else if(command == "f-")
{
cur_mode.flowmode = M_DEC;
}
else if(command == "f.")
{
cur_mode.flowmode = M_KEEP;
}
else if(command == "s+")
{
cur_mode.setmode = M_INC;
}
else if(command == "s-")
{
cur_mode.setmode = M_DEC;
}
else if(command == "s.")
{
cur_mode.setmode = M_KEEP;
}
else if (command.size() > 2 && memcmp(command.c_str(), "pf", 2) == 0)
{
auto *tail = command.c_str()+2;
for (int pm = PF_KEEP; pm <= PF_SOUTHWEST; pm++)
{
if (strcmp(tail, permaflow_name[pm]) != 0)
continue;
cur_mode.permaflow = PermaflowMode(pm);
tail = NULL;
break;
}
if (tail)
out << command << " : invalid permaflow mode" << endl;
}
// blah blah, bad code, bite me.
else if(command == "0")
cur_mode.amount = 0;
else if(command == "1")
cur_mode.amount = 1;
else if(command == "2")
cur_mode.amount = 2;
else if(command == "3")
cur_mode.amount = 3;
else if(command == "4")
cur_mode.amount = 4;
else if(command == "5")
cur_mode.amount = 5;
else if(command == "6")
cur_mode.amount = 6;
else if(command == "7")
cur_mode.amount = 7;
else if(command.empty())
{
df_liquids_execute(out);
}
else
{
out << command << " : unknown command." << endl;
}
}
return CR_OK;
}
command_result df_liquids_here (color_ostream &out, vector <string> & parameters)
{
for(size_t i = 0; i < parameters.size();i++)
{
if(parameters[i] == "help" || parameters[i] == "?")
return CR_WRONG_USAGE;
}
out.print("Run liquids-here with these parameters: ");
print_prompt(out, cur_mode);
out << endl;
return df_liquids_execute(out);
}
command_result df_liquids_execute(color_ostream &out)
{
CoreSuspender suspend;
auto cursor = Gui::getCursorPos();
if (!cursor.isValid())
{
out.printerr("Can't get cursor coords! Make sure you have a cursor active in DF.\n");
return CR_WRONG_USAGE;
}
auto rv = df_liquids_execute(out, cur_mode, cursor);
if (rv == CR_OK)
out << "OK" << endl;
return rv;
}
command_result df_liquids_execute(color_ostream &out, OperationMode &cur_mode, df::coord cursor)
{
// create brush type depending on old parameters
std::unique_ptr<Brush> brush;
switch (cur_mode.brush)
{
case B_POINT:
brush.reset(new RectangleBrush(1,1,1,0,0,0));
break;
case B_RANGE:
brush.reset(new RectangleBrush(cur_mode.size.x,cur_mode.size.y,cur_mode.size.z,0,0,0));
break;
case B_BLOCK:
brush.reset(new BlockBrush());
break;
case B_COLUMN:
brush.reset(new ColumnBrush());
break;
case B_FLOOD:
brush.reset(new FloodBrush(&Core::getInstance()));
break;
default:
// this should never happen!
out << "Old brushtype is invalid! Resetting to point brush.\n";
cur_mode.brush = B_POINT;
brush.reset(new RectangleBrush(1,1,1,0,0,0));
}
if (!Maps::IsValid())
{
out << "Can't see any DF map loaded." << endl;
return CR_FAILURE;
}
MapCache mcache;
coord_vec all_tiles = brush->points(mcache,cursor);
// Force the game to recompute its walkability cache
world->reindex_pathfinding = true;
switch (cur_mode.paint)
{
case P_OBSIDIAN:
{
coord_vec::iterator iter = all_tiles.begin();
while (iter != all_tiles.end())
{
mcache.setTiletypeAt(*iter, tiletype::LavaWall);
mcache.setTemp1At(*iter,10015);
mcache.setTemp2At(*iter,10015);
df::tile_designation des = mcache.designationAt(*iter);
des.bits.flow_size = 0;
des.bits.flow_forbid = false;
mcache.setDesignationAt(*iter, des);
iter ++;
}
break;
}
case P_OBSIDIAN_FLOOR:
{
coord_vec::iterator iter = all_tiles.begin();
while (iter != all_tiles.end())
{
mcache.setTiletypeAt(*iter, findRandomVariant(tiletype::LavaFloor1));
iter ++;
}
break;
}
case P_RIVER_SOURCE:
{
coord_vec::iterator iter = all_tiles.begin();
while (iter != all_tiles.end())
{
mcache.setTiletypeAt(*iter, tiletype::RiverSource);
df::tile_designation a = mcache.designationAt(*iter);
a.bits.liquid_type = tile_liquid::Water;
a.bits.liquid_static = false;
a.bits.flow_size = 7;
mcache.setTemp1At(*iter,10015);
mcache.setTemp2At(*iter,10015);
mcache.setDesignationAt(*iter,a);
Block * b = mcache.BlockAt((*iter)/16);
b->enableBlockUpdates(true);
iter++;
}
break;
}
case P_WCLEAN:
{
coord_vec::iterator iter = all_tiles.begin();
while (iter != all_tiles.end())
{
DFHack::DFCoord current = *iter;
df::tile_designation des = mcache.designationAt(current);
des.bits.water_salt = false;
des.bits.water_stagnant = false;
mcache.setDesignationAt(current,des);
iter++;
}
break;
}
case P_MAGMA:
case P_WATER:
case P_FLOW_BITS:
{
set <Block *> seen_blocks;
coord_vec::iterator iter = all_tiles.begin();
while (iter != all_tiles.end())
{
DFHack::DFCoord current = *iter; // current tile coord
DFHack::DFCoord curblock = current /16; // current block coord
// check if the block is actually there
auto block = mcache.BlockAt(curblock);
if(!block)
{
iter ++;
continue;
}
auto raw_block = block->getRaw();
df::tile_designation des = mcache.designationAt(current);
df::tiletype tt = mcache.tiletypeAt(current);
// don't put liquids into places where they don't belong...
if(!DFHack::FlowPassable(tt))
{
iter++;
continue;
}
if(cur_mode.paint != P_FLOW_BITS)
{
unsigned old_amount = des.bits.flow_size;
unsigned new_amount = old_amount;
df::tile_liquid old_liquid = des.bits.liquid_type;
df::tile_liquid new_liquid = old_liquid;
// Compute new liquid type and amount
switch (cur_mode.setmode)
{
case M_KEEP:
new_amount = cur_mode.amount;
break;
case M_INC:
if(old_amount < cur_mode.amount)
new_amount = cur_mode.amount;
break;
case M_DEC:
if (old_amount > cur_mode.amount)
new_amount = cur_mode.amount;
}
if (cur_mode.paint == P_MAGMA)
new_liquid = tile_liquid::Magma;
else if (cur_mode.paint == P_WATER)
new_liquid = tile_liquid::Water;
// Store new amount and type
des.bits.flow_size = new_amount;
des.bits.liquid_type = new_liquid;
// Compute temperature
if (!old_amount)
old_liquid = tile_liquid::Water;
if (!new_amount)
new_liquid = tile_liquid::Water;
if (old_liquid != new_liquid)
{
if (new_liquid == tile_liquid::Water)
{
mcache.setTemp1At(current,10015);
mcache.setTemp2At(current,10015);
}
else
{
mcache.setTemp1At(current,12000);
mcache.setTemp2At(current,12000);
}
}
// mark the tile passable or impassable like the game does
des.bits.flow_forbid = (new_liquid == tile_liquid::Magma || new_amount > 3);
mcache.setDesignationAt(current,des);
// request flow engine updates
block->enableBlockUpdates(new_amount != old_amount, new_liquid != old_liquid);
}
if (cur_mode.permaflow != PF_KEEP && raw_block)
{
auto &flow = raw_block->liquid_flow[current.x&15][current.y&15];
flow.bits.perm_flow_dir = permaflow_id[cur_mode.permaflow];
flow.bits.temp_flow_timer = 0;
}
seen_blocks.insert(block);
iter++;
}
set <Block *>::iterator biter = seen_blocks.begin();
while (biter != seen_blocks.end())
{
switch (cur_mode.flowmode)
{
case M_INC:
(*biter)->enableBlockUpdates(true);
break;
case M_DEC:
if (auto block = (*biter)->getRaw())
{
block->flags.bits.update_liquid = false;
block->flags.bits.update_liquid_twice = false;
}
break;
case M_KEEP:
{
auto bflags = (*biter)->BlockFlags();
out << "flow bit 1 = " << bflags.bits.update_liquid << endl;
out << "flow bit 2 = " << bflags.bits.update_liquid_twice << endl;
}
}
biter ++;
}
break;
}
}
if(!mcache.WriteAll())
{
out << "Something failed horribly! RUN!" << endl;
return CR_FAILURE;
}
return CR_OK;
}
static int paint(lua_State *L)
{
df::coord pos;
OperationMode mode;
lua_settop(L, 8);
Lua::CheckDFAssign(L, &pos, 1);
if (!pos.isValid())
luaL_argerror(L, 1, "invalid cursor position");
mode.brush = (BrushType)luaL_checkoption(L, 2, NULL, brush_name);
mode.paint = (PaintMode)luaL_checkoption(L, 3, NULL, paint_mode_name);
mode.amount = luaL_optint(L, 4, 7);
if (mode.amount < 0 || mode.amount > 7)
luaL_argerror(L, 4, "invalid liquid amount");
if (!lua_isnil(L, 5))
Lua::CheckDFAssign(L, &mode.size, 5);
mode.setmode = (ModifyMode)luaL_checkoption(L, 6, ".", modify_mode_name);
mode.flowmode = (ModifyMode)luaL_checkoption(L, 7, "+", modify_mode_name);
mode.permaflow = (PermaflowMode)luaL_checkoption(L, 8, ".", permaflow_name);
lua_pushboolean(L, df_liquids_execute(*Lua::GetOutput(L), mode, pos));
return 1;
}
DFHACK_PLUGIN_LUA_COMMANDS {
DFHACK_LUA_COMMAND(paint),
DFHACK_LUA_END
};
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