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dfhack/plugins/reveal.cpp

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C++
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#include <stdint.h>
#include <iostream>
#include <map>
#include <vector>
#include <dfhack/Core.h>
#include <dfhack/Console.h>
#include <dfhack/Export.h>
#include <dfhack/PluginManager.h>
#include <dfhack/modules/Maps.h>
#include <dfhack/modules/World.h>
#include <dfhack/extra/MapExtras.h>
#include <dfhack/modules/Gui.h>
using MapExtras::MapCache;
using namespace DFHack;
/*
* Anything that might reveal Hell is unsafe.
*/
bool isSafe(uint32_t x, uint32_t y, uint32_t z, DFHack::Maps *Maps)
{
DFHack::t_feature *local_feature = NULL;
DFHack::t_feature *global_feature = NULL;
// get features of block
// error -> obviously not safe to manipulate
if(!Maps->ReadFeatures(x,y,z,&local_feature,&global_feature))
{
return false;
}
// Adamantine tubes and temples lead to Hell
if (local_feature && local_feature->type != DFHack::feature_Other)
return false;
// And Hell *is* Hell.
if (global_feature && global_feature->type == DFHack::feature_Underworld)
return false;
// otherwise it's safe.
return true;
}
struct hideblock
{
uint32_t x;
uint32_t y;
uint32_t z;
uint8_t hiddens [16][16];
};
// the saved data. we keep map size to check if things still match
uint32_t x_max, y_max, z_max;
std::vector <hideblock> hidesaved;
enum revealstate
{
NOT_REVEALED,
REVEALED,
SAFE_REVEALED
};
revealstate revealed = NOT_REVEALED;
DFhackCExport command_result reveal(DFHack::Core * c, std::vector<std::string> & params);
DFhackCExport command_result unreveal(DFHack::Core * c, std::vector<std::string> & params);
DFhackCExport command_result revtoggle(DFHack::Core * c, std::vector<std::string> & params);
DFhackCExport command_result revflood(DFHack::Core * c, std::vector<std::string> & params);
DFhackCExport const char * plugin_name ( void )
{
return "reveal";
}
DFhackCExport command_result plugin_init ( Core * c, std::vector <PluginCommand> &commands)
{
commands.clear();
commands.push_back(PluginCommand("reveal","Reveal the map. 'reveal hell' will also reveal hell.",reveal));
commands.push_back(PluginCommand("unreveal","Revert the map to its previous state.",unreveal));
commands.push_back(PluginCommand("revtoggle","Reveal/unreveal depending on state.",revtoggle));
commands.push_back(PluginCommand("revflood","Hide all, reveal all tiles reachable from cursor position.",revflood));
return CR_OK;
}
DFhackCExport command_result plugin_onupdate ( Core * c )
{
// if the map is revealed and we're in fortress mode, force the game to pause.
if(revealed == REVEALED)
{
DFHack::World *World =c->getWorld();
t_gamemodes gm;
World->ReadGameMode(gm);
if(gm.g_mode == GAMEMODE_DWARF)
{
World->SetPauseState(true);
}
}
return CR_OK;
}
DFhackCExport command_result plugin_shutdown ( Core * c )
{
return CR_OK;
}
DFhackCExport command_result reveal(DFHack::Core * c, std::vector<std::string> & params)
{
bool no_hell = true;
if(params.size() && params[0] == "hell")
{
no_hell = false;
}
Console & con = c->con;
if(revealed != NOT_REVEALED)
{
con.printerr("Map is already revealed or this is a different map.\n");
return CR_FAILURE;
}
c->Suspend();
DFHack::Maps *Maps =c->getMaps();
DFHack::World *World =c->getWorld();
t_gamemodes gm;
World->ReadGameMode(gm);
if(gm.g_mode != GAMEMODE_DWARF)
{
con.printerr("Only in fortress mode.\n");
c->Resume();
return CR_FAILURE;
}
if(!Maps->Start())
{
con.printerr("Can't init map.\n");
c->Resume();
return CR_FAILURE;
}
if(no_hell && !Maps->StartFeatures())
{
con.printerr("Unable to read local features; can't reveal map safely.\n");
c->Resume();
return CR_FAILURE;
}
Maps->getSize(x_max,y_max,z_max);
hidesaved.reserve(x_max * y_max * z_max);
for(uint32_t x = 0; x< x_max;x++)
{
for(uint32_t y = 0; y< y_max;y++)
{
for(uint32_t z = 0; z< z_max;z++)
{
df_block *block = Maps->getBlock(x,y,z);
if(block)
{
// in 'no-hell'/'safe' mode, don't reveal blocks with hell and adamantine
if (no_hell && !isSafe(x, y, z, Maps))
continue;
hideblock hb;
hb.x = x;
hb.y = y;
hb.z = z;
DFHack::designations40d & designations = block->designation;
// for each tile in block
for (uint32_t i = 0; i < 16;i++) for (uint32_t j = 0; j < 16;j++)
{
// save hidden state of tile
hb.hiddens[i][j] = designations[i][j].bits.hidden;
// set to revealed
designations[i][j].bits.hidden = 0;
}
hidesaved.push_back(hb);
}
}
}
}
if(no_hell)
{
revealed = SAFE_REVEALED;
}
else
{
revealed = REVEALED;
World->SetPauseState(true);
}
c->Resume();
con.print("Map revealed.\n");
if(!no_hell)
con.print("Unpausing can unleash the forces of hell, so it has been temporarily disabled.\n");
con.print("Run 'unreveal' to revert to previous state.\n");
return CR_OK;
}
DFhackCExport command_result unreveal(DFHack::Core * c, std::vector<std::string> & params)
{
Console & con = c->con;
if(!revealed)
{
con.printerr("There's nothing to revert!\n");
return CR_FAILURE;
}
c->Suspend();
DFHack::Maps *Maps =c->getMaps();
DFHack::World *World =c->getWorld();
t_gamemodes gm;
World->ReadGameMode(gm);
if(gm.g_mode != GAMEMODE_DWARF)
{
con.printerr("Only in fortress mode.\n");
c->Resume();
return CR_FAILURE;
}
Maps = c->getMaps();
if(!Maps->Start())
{
con.printerr("Can't init map.\n");
c->Resume();
return CR_FAILURE;
}
// Sanity check: map size
uint32_t x_max_b, y_max_b, z_max_b;
Maps->getSize(x_max_b,y_max_b,z_max_b);
if(x_max != x_max_b || y_max != y_max_b || z_max != z_max_b)
{
con.printerr("The map is not of the same size...\n");
c->Resume();
return CR_FAILURE;
}
// FIXME: add more sanity checks / MAP ID
for(size_t i = 0; i < hidesaved.size();i++)
{
hideblock & hb = hidesaved[i];
df_block * b = Maps->getBlock(hb.x,hb.y,hb.z);
for (uint32_t i = 0; i < 16;i++) for (uint32_t j = 0; j < 16;j++)
{
b->designation[i][j].bits.hidden = hb.hiddens[i][j];
}
}
// give back memory.
hidesaved.clear();
revealed = NOT_REVEALED;
con.print("Map hidden!\n");
c->Resume();
return CR_OK;
}
DFhackCExport command_result revtoggle (DFHack::Core * c, std::vector<std::string> & params)
{
if(revealed)
{
return unreveal(c,params);
}
else
{
return reveal(c,params);
}
}
DFhackCExport command_result revflood(DFHack::Core * c, std::vector<std::string> & params)
{
c->Suspend();
uint32_t x_max,y_max,z_max;
Maps * Maps = c->getMaps();
Gui * Gui = c->getGui();
World * World = c->getWorld();
// init the map
if(!Maps->Start())
{
c->con.printerr("Can't init map. Make sure you have a map loaded in DF.\n");
c->Resume();
return CR_FAILURE;
}
if(revealed != NOT_REVEALED)
{
c->con.printerr("This is only safe to use with non-revealed map.\n");
c->Resume();
return CR_FAILURE;
}
t_gamemodes gm;
World->ReadGameMode(gm);
if(gm.g_type != GAMETYPE_DWARF_MAIN && gm.g_mode != GAMEMODE_DWARF )
{
c->con.printerr("Only in proper dwarf mode.\n");
c->Resume();
return CR_FAILURE;
}
int32_t cx, cy, cz;
Maps->getSize(x_max,y_max,z_max);
uint32_t tx_max = x_max * 16;
uint32_t ty_max = y_max * 16;
Gui->getCursorCoords(cx,cy,cz);
if(cx == -30000)
{
c->con.printerr("Cursor is not active. Point the cursor at some empty space you want to be unhidden.\n");
c->Resume();
return CR_FAILURE;
}
DFCoord xy ((uint32_t)cx,(uint32_t)cy,cz);
MapCache * MCache = new MapCache(Maps);
int16_t tt = MCache->tiletypeAt(xy);
if(isWallTerrain(tt))
{
c->con.printerr("Point the cursor at some empty space you want to be unhidden.\n");
delete MCache;
c->Resume();
return CR_FAILURE;
}
// hide all tiles, flush cache
Maps->getSize(x_max,y_max,z_max);
for(uint32_t x = 0; x< x_max;x++)
{
for(uint32_t y = 0; y< y_max;y++)
{
for(uint32_t z = 0; z< z_max;z++)
{
df_block * b = Maps->getBlock(x,y,z);
if(b)
{
// change the hidden flag to 0
for (uint32_t i = 0; i < 16;i++) for (uint32_t j = 0; j < 16;j++)
{
b->designation[i][j].bits.hidden = 1;
}
}
}
}
}
MCache->trash();
typedef std::pair <DFCoord, bool> foo;
std::stack < foo > flood;
flood.push( foo(xy,false) );
while( !flood.empty() )
{
foo tile = flood.top();
DFCoord & current = tile.first;
bool & from_below = tile.second;
flood.pop();
if(!MCache->testCoord(current))
continue;
int16_t tt = MCache->tiletypeAt(current);
t_designation des = MCache->designationAt(current);
if(!des.bits.hidden)
{
continue;
}
const TileRow * r = getTileRow(tt);
/*
if(!r)
{
cerr << "unknown tiletype! " << dec << tt << endl;
continue;
}
*/
bool below = 0;
bool above = 0;
bool sides = 0;
bool unhide = 1;
// by tile shape, determine behavior and action
switch (r->shape)
{
// walls:
case WALL:
case PILLAR:
if(from_below)
unhide = 0;
break;
// air/free space
case EMPTY:
case RAMP_TOP:
case STAIR_UPDOWN:
case STAIR_DOWN:
case BROOK_TOP:
above = below = sides = true;
break;
// has floor
case FORTIFICATION:
case STAIR_UP:
case RAMP:
case FLOOR:
case TREE_DEAD:
case TREE_OK:
case SAPLING_DEAD:
case SAPLING_OK:
case SHRUB_DEAD:
case SHRUB_OK:
case BOULDER:
case PEBBLES:
case BROOK_BED:
case RIVER_BED:
case ENDLESS_PIT:
case POOL:
if(from_below)
unhide = 0;
above = sides = true;
break;
}
if(unhide)
{
des.bits.hidden = false;
MCache->setDesignationAt(current,des);
}
if(sides)
{
flood.push(foo(DFCoord(current.x + 1, current.y ,current.z),0));
flood.push(foo(DFCoord(current.x + 1, current.y + 1 ,current.z),0));
flood.push(foo(DFCoord(current.x, current.y + 1 ,current.z),0));
flood.push(foo(DFCoord(current.x - 1, current.y + 1 ,current.z),0));
flood.push(foo(DFCoord(current.x - 1, current.y ,current.z),0));
flood.push(foo(DFCoord(current.x - 1, current.y - 1 ,current.z),0));
flood.push(foo(DFCoord(current.x, current.y - 1 ,current.z),0));
flood.push(foo(DFCoord(current.x + 1, current.y - 1 ,current.z),0));
}
if(above)
{
flood.push(foo(DFCoord(current.x, current.y ,current.z + 1),1));
}
if(below)
{
flood.push(foo(DFCoord(current.x, current.y ,current.z - 1),0));
}
}
MCache->WriteAll();
delete MCache;
c->Resume();
return CR_OK;
}
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