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dfhack/plugins/seedwatch.cpp

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// Dynamically enables and disables cooking restrictions for plants and seeds
// in order to limit the number of seeds available for each crop type
// With thanks to peterix for DFHack and Quietust for information
// http://www.bay12forums.com/smf/index.php?topic=91166.msg2605147#msg2605147
#include "Debug.h"
#include "LuaTools.h"
#include "PluginManager.h"
#include "TileTypes.h"
#include "modules/Items.h"
#include "modules/Kitchen.h"
#include "modules/Maps.h"
#include "modules/Persistence.h"
#include "modules/Units.h"
#include "modules/World.h"
#include "df/item_flags.h"
#include "df/items_other_id.h"
#include "df/plant_raw.h"
#include "df/world.h"
#include <unordered_map>
using namespace DFHack;
using namespace df::enums;
using std::map;
using std::string;
using std::unordered_map;
using std::vector;
DFHACK_PLUGIN("seedwatch");
DFHACK_PLUGIN_IS_ENABLED(is_enabled);
REQUIRE_GLOBAL(world);
namespace DFHack {
// for configuration-related logging
DBG_DECLARE(seedwatch, config, DebugCategory::LINFO);
// for logging during the periodic scan
DBG_DECLARE(seedwatch, cycle, DebugCategory::LINFO);
}
// abbreviations for the standard plants
static unordered_map<string, const char *> abbreviations;
static map<string, int32_t> world_plant_ids;
static const int DEFAULT_TARGET = 30;
static const int TARGET_BUFFER = 20; // seed number buffer; 20 is reasonable
static const string CONFIG_KEY = string(plugin_name) + "/config";
static const string SEED_CONFIG_KEY_PREFIX = string(plugin_name) + "/seed/";
static PersistentDataItem config;
static unordered_map<int, PersistentDataItem> watched_seeds;
enum ConfigValues {
CONFIG_IS_ENABLED = 0,
};
enum SeedConfigValues {
SEED_CONFIG_ID = 0,
SEED_CONFIG_TARGET = 1,
};
static int get_config_val(PersistentDataItem &c, int index) {
if (!c.isValid())
return -1;
return c.ival(index);
}
static bool get_config_bool(PersistentDataItem &c, int index) {
return get_config_val(c, index) == 1;
}
static void set_config_val(PersistentDataItem &c, int index, int value) {
if (c.isValid())
c.ival(index) = value;
}
static void set_config_bool(PersistentDataItem &c, int index, bool value) {
set_config_val(c, index, value ? 1 : 0);
}
static PersistentDataItem & ensure_seed_config(color_ostream &out, int id) {
if (watched_seeds.count(id))
return watched_seeds[id];
string keyname = SEED_CONFIG_KEY_PREFIX + int_to_string(id);
DEBUG(config,out).print("creating new persistent key for seed type %d\n", id);
watched_seeds.emplace(id, World::GetPersistentData(keyname, NULL));
return watched_seeds[id];
}
static void remove_seed_config(color_ostream &out, int id) {
if (!watched_seeds.count(id))
return;
DEBUG(config,out).print("removing persistent key for seed type %d\n", id);
World::DeletePersistentData(watched_seeds[id]);
watched_seeds.erase(id);
}
static const int32_t CYCLE_TICKS = 1200;
static int32_t cycle_timestamp = 0; // world->frame_counter at last cycle
static command_result do_command(color_ostream &out, vector<string> &parameters);
static void do_cycle(color_ostream &out, int32_t *num_enabled_seeds, int32_t *num_disabled_seeds);
static void seedwatch_setTarget(color_ostream &out, string name, int32_t num);
DFhackCExport command_result plugin_init(color_ostream &out, std::vector <PluginCommand> &commands) {
DEBUG(config,out).print("initializing %s\n", plugin_name);
// provide a configuration interface for the plugin
commands.push_back(PluginCommand(
plugin_name,
"Automatically toggle seed cooking based on quantity available.",
do_command));
// fill in the abbreviations map
abbreviations["bs"] = "SLIVER_BARB";
abbreviations["bt"] = "TUBER_BLOATED";
abbreviations["bw"] = "WEED_BLADE";
abbreviations["cw"] = "GRASS_WHEAT_CAVE";
abbreviations["dc"] = "MUSHROOM_CUP_DIMPLE";
abbreviations["fb"] = "BERRIES_FISHER";
abbreviations["hr"] = "ROOT_HIDE";
abbreviations["kb"] = "BULB_KOBOLD";
abbreviations["lg"] = "GRASS_LONGLAND";
abbreviations["mr"] = "ROOT_MUCK";
abbreviations["pb"] = "BERRIES_PRICKLE";
abbreviations["ph"] = "MUSHROOM_HELMET_PLUMP";
abbreviations["pt"] = "GRASS_TAIL_PIG";
abbreviations["qb"] = "BUSH_QUARRY";
abbreviations["rr"] = "REED_ROPE";
abbreviations["rw"] = "WEED_RAT";
abbreviations["sb"] = "BERRY_SUN";
abbreviations["sp"] = "POD_SWEET";
abbreviations["vh"] = "HERB_VALLEY";
abbreviations["ws"] = "BERRIES_STRAW";
abbreviations["wv"] = "VINE_WHIP";
return CR_OK;
}
DFhackCExport command_result plugin_enable(color_ostream &out, bool enable) {
if (!Core::getInstance().isWorldLoaded()) {
out.printerr("Cannot enable %s without a loaded world.\n", plugin_name);
return CR_FAILURE;
}
if (enable != is_enabled) {
is_enabled = enable;
DEBUG(config,out).print("%s from the API; persisting\n",
is_enabled ? "enabled" : "disabled");
set_config_bool(config, CONFIG_IS_ENABLED, is_enabled);
if (enable)
seedwatch_setTarget(out, "all", DEFAULT_TARGET);
} else {
DEBUG(config,out).print("%s from the API, but already %s; no action\n",
is_enabled ? "enabled" : "disabled",
is_enabled ? "enabled" : "disabled");
}
return CR_OK;
}
DFhackCExport command_result plugin_shutdown (color_ostream &out) {
DEBUG(config,out).print("shutting down %s\n", plugin_name);
return CR_OK;
}
DFhackCExport command_result plugin_load_data (color_ostream &out) {
world_plant_ids.clear();
for (size_t i = 0; i < world->raws.plants.all.size(); ++i) {
auto & plant = world->raws.plants.all[i];
if (plant->material_defs.type[plant_material_def::seed] != -1)
world_plant_ids[plant->id] = i;
}
config = World::GetPersistentData(CONFIG_KEY);
if (!config.isValid()) {
DEBUG(config,out).print("no config found in this save; initializing\n");
config = World::AddPersistentData(CONFIG_KEY);
set_config_bool(config, CONFIG_IS_ENABLED, is_enabled);
}
is_enabled = get_config_bool(config, CONFIG_IS_ENABLED);
DEBUG(config,out).print("loading persisted enabled state: %s\n",
is_enabled ? "true" : "false");
watched_seeds.clear();
vector<PersistentDataItem> seed_configs;
World::GetPersistentData(&seed_configs, SEED_CONFIG_KEY_PREFIX, true);
const size_t num_seed_configs = seed_configs.size();
for (size_t idx = 0; idx < num_seed_configs; ++idx) {
auto &c = seed_configs[idx];
watched_seeds.emplace(get_config_val(c, SEED_CONFIG_ID), c);
}
return CR_OK;
}
DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_change_event event) {
if (event == DFHack::SC_WORLD_UNLOADED) {
if (is_enabled) {
DEBUG(config,out).print("world unloaded; disabling %s\n",
plugin_name);
is_enabled = false;
}
}
return CR_OK;
}
DFhackCExport command_result plugin_onupdate(color_ostream &out) {
if (is_enabled && world->frame_counter - cycle_timestamp >= CYCLE_TICKS) {
int32_t num_enabled_seeds, num_disabled_seeds;
do_cycle(out, &num_enabled_seeds, &num_disabled_seeds);
if (0 < num_enabled_seeds)
out.print("%s: enabled %d seed types for cooking\n",
plugin_name, num_enabled_seeds);
if (0 < num_disabled_seeds)
out.print("%s: protected %d seed types from cooking\n",
plugin_name, num_disabled_seeds);
}
return CR_OK;
}
static bool call_seedwatch_lua(color_ostream *out, const char *fn_name,
int nargs = 0, int nres = 0,
Lua::LuaLambda && args_lambda = Lua::DEFAULT_LUA_LAMBDA,
Lua::LuaLambda && res_lambda = Lua::DEFAULT_LUA_LAMBDA) {
CoreSuspender guard;
auto L = Lua::Core::State;
Lua::StackUnwinder top(L);
if (!out)
out = &Core::getInstance().getConsole();
DEBUG(config,*out).print("calling %s lua function: '%s'\n", plugin_name, fn_name);
return Lua::CallLuaModuleFunction(*out, L, "plugins.seedwatch", fn_name,
nargs, nres,
std::forward<Lua::LuaLambda&&>(args_lambda),
std::forward<Lua::LuaLambda&&>(res_lambda));
}
static command_result do_command(color_ostream &out, vector<string> &parameters) {
CoreSuspender suspend;
if (!Core::getInstance().isWorldLoaded()) {
out.printerr("Cannot run %s without a loaded world.\n", plugin_name);
return CR_FAILURE;
}
bool show_help = false;
if (!call_seedwatch_lua(&out, "parse_commandline", parameters.size(), 1,
[&](lua_State *L) {
for (const string &param : parameters)
Lua::Push(L, param);
},
[&](lua_State *L) {
show_help = !lua_toboolean(L, -1);
})) {
return CR_FAILURE;
}
return show_help ? CR_WRONG_USAGE : CR_OK;
}
/////////////////////////////////////////////////////
// cycle logic
//
struct BadFlags {
uint32_t whole;
BadFlags() {
df::item_flags flags;
#define F(x) flags.bits.x = true;
F(dump); F(forbid); F(garbage_collect);
F(hostile); F(on_fire); F(rotten); F(trader);
F(in_building); F(construction); F(artifact);
F(in_job); F(owned); F(in_chest); F(removed);
F(encased); F(spider_web);
#undef F
whole = flags.whole;
}
};
static bool is_accessible_item(df::item *item, const vector<df::unit *> &citizens) {
const df::coord pos = Items::getPosition(item);
for (auto &unit : citizens) {
if (Maps::canWalkBetween(Units::getPosition(unit), pos))
return true;
}
return false;
}
static void scan_seeds(color_ostream &out, unordered_map<int32_t, int32_t> *accessible_counts,
unordered_map<int32_t, int32_t> *inaccessible_counts = NULL) {
static const BadFlags bad_flags;
vector<df::unit *> citizens;
Units::getCitizens(citizens);
for (auto &item : world->items.other[items_other_id::SEEDS]) {
MaterialInfo mat(item);
if (!mat.isPlant())
continue;
if ((bad_flags.whole & item->flags.whole) || !is_accessible_item(item, citizens)) {
if (inaccessible_counts)
++(*inaccessible_counts)[mat.plant->index];
} else {
if (accessible_counts)
++(*accessible_counts)[mat.plant->index];
}
}
}
static void do_cycle(color_ostream &out, int32_t *num_enabled_seed_types, int32_t *num_disabled_seed_types) {
DEBUG(cycle,out).print("running %s cycle\n", plugin_name);
// mark that we have recently run
cycle_timestamp = world->frame_counter;
if (num_enabled_seed_types)
*num_enabled_seed_types = 0;
if (num_disabled_seed_types)
*num_disabled_seed_types = 0;
unordered_map<int32_t, int32_t> accessible_counts;
scan_seeds(out, &accessible_counts);
for (auto &entry : watched_seeds) {
int32_t id = entry.first;
int32_t target = get_config_val(entry.second, SEED_CONFIG_TARGET);
if (accessible_counts[id] <= target) {
DEBUG(cycle,out).print("disabling seed mat: %d\n", id);
if (num_disabled_seed_types)
++*num_disabled_seed_types;
Kitchen::denyPlantSeedCookery(id);
} else if (target + TARGET_BUFFER < accessible_counts[id]) {
DEBUG(cycle,out).print("enabling seed mat: %d\n", id);
if (num_enabled_seed_types)
++*num_enabled_seed_types;
Kitchen::allowPlantSeedCookery(id);
}
}
}
/////////////////////////////////////////////////////
// Lua API
// core will already be suspended when coming in through here
//
static void set_target(color_ostream &out, int32_t id, int32_t target) {
if (target == 0)
remove_seed_config(out, id);
else {
PersistentDataItem &c = ensure_seed_config(out, id);
set_config_val(c, SEED_CONFIG_TARGET, target);
}
}
// searches abbreviations, returns expansion if so, returns original if not
static string searchAbbreviations(string in) {
if(abbreviations.count(in) > 0)
return abbreviations[in];
return in;
};
static void seedwatch_setTarget(color_ostream &out, string name, int32_t num) {
DEBUG(config,out).print("entering seedwatch_setTarget\n");
if (num < 0) {
out.printerr("target must be at least 0\n");
return;
}
if (name == "all") {
for (auto &entry : world_plant_ids) {
set_target(out, entry.second, num);
}
return;
}
string token = searchAbbreviations(name);
if (!world_plant_ids.count(token)) {
out.printerr("%s has not been found as a material.\n", token.c_str());
return;
}
set_target(out, world_plant_ids[token], num);
}
static int seedwatch_getData(lua_State *L) {
color_ostream *out = Lua::GetOutput(L);
if (!out)
out = &Core::getInstance().getConsole();
DEBUG(config,*out).print("entering seedwatch_getData\n");
unordered_map<int32_t, int32_t> watch_map, accessible_counts;
scan_seeds(*out, &accessible_counts);
for (auto &entry : watched_seeds) {
watch_map.emplace(entry.first, get_config_val(entry.second, SEED_CONFIG_TARGET));
}
Lua::Push(L, watch_map);
Lua::Push(L, accessible_counts);
return 2;
}
DFHACK_PLUGIN_LUA_FUNCTIONS {
DFHACK_LUA_FUNCTION(seedwatch_setTarget),
DFHACK_LUA_END
};
DFHACK_PLUGIN_LUA_COMMANDS {
DFHACK_LUA_COMMAND(seedwatch_getData),
DFHACK_LUA_END
};
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