Stockflow plugin v1.0
Eric Wald
parent
18a91ef221
commit
b9ed7a5cc2
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Load Diff
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/*
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* Stockflow plugin.
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* For best effect, place "stockflow enable" in your dfhack.init configuration.
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*/
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#include "uicommon.h"
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#include "LuaTools.h"
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#include "df/building_stockpilest.h"
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#include "df/job.h"
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#include "df/viewscreen_dwarfmodest.h"
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#include "modules/Gui.h"
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#include "modules/Maps.h"
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#include "modules/World.h"
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using namespace DFHack;
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using namespace std;
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using df::global::world;
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using df::global::ui;
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using df::building_stockpilest;
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DFHACK_PLUGIN("stockflow");
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bool enabled = false;
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const char *tagline = "Allows the fortress bookkeeper to queue jobs through the manager.";
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const char *usage = (
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" stockflow enable\n"
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" Enable the plugin.\n"
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" stockflow disable\n"
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" Disable the plugin.\n"
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" stockflow list\n"
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" List any work order settings for your stockpiles.\n"
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" stockflow status\n"
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" Display whether the plugin is enabled.\n"
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"\n"
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"While enabled, the 'q' menu of each stockpile will have two new options:\n"
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" j: Select a job to order, from an interface like the manager's screen.\n"
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" J: Cycle between several options for how many such jobs to order.\n"
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"\n"
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"Whenever the bookkeeper updates stockpile records, new work orders will\n"
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"be placed on the manager's queue for each such selection, reduced by the\n"
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"number of identical orders already in the queue.\n"
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);
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/*
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* Stockpile Access
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*/
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static building_stockpilest *get_selected_stockpile() {
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if (!Gui::dwarfmode_hotkey(Core::getTopViewscreen()) ||
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ui->main.mode != ui_sidebar_mode::QueryBuilding)
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{
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return nullptr;
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}
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return virtual_cast<building_stockpilest>(world->selected_building);
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}
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/*
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* Lua interface.
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* Currently calls out to Lua functions, but never back in.
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*/
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class LuaHelper {
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public:
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void cycle(color_ostream &out) {
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bool found = false;
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for (df::job_list_link* link = &df::global::world->job_list; link != NULL; link = link->next) {
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if (link->item == NULL) continue;
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if (link->item->job_type == job_type::UpdateStockpileRecords) {
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found = true;
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break;
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}
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}
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if (found && !bookkeeping) {
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command_method("start_bookkeeping", out);
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bookkeeping = true;
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} else if (bookkeeping && !found) {
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command_method("finish_bookkeeping", out);
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bookkeeping = false;
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}
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}
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void init() {
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stockpile_id = -1;
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initialized = false;
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bookkeeping = false;
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}
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bool reset(color_ostream &out, bool load) {
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stockpile_id = -1;
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bookkeeping = false;
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if (load) {
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return initialized = command_method("initialize_world", out);
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} else if (initialized) {
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initialized = false;
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return command_method("clear_caches", out);
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}
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return true;
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}
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bool command_method(const char *method, color_ostream &out) {
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// Calls a lua function with no parameters.
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// Suspension is required for "stockflow enable" from the command line,
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// but may be overkill for other situations.
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CoreSuspender suspend;
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auto L = Lua::Core::State;
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Lua::StackUnwinder top(L);
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if (!lua_checkstack(L, 1))
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return false;
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if (!Lua::PushModulePublic(out, L, "plugins.stockflow", method))
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return false;
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if (!Lua::SafeCall(out, L, 0, 0))
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return false;
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return true;
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}
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bool stockpile_method(const char *method, building_stockpilest *sp) {
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// Combines the select_order and toggle_trigger method calls,
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// because they share the same signature.
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// Suspension is necessary for toggle_trigger,
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// but may be overkill for select_order.
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// Both are used from hooks, so CoreSuspender is prohibited.
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CoreSuspendClaimer suspend;
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auto L = Lua::Core::State;
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color_ostream_proxy out(Core::getInstance().getConsole());
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Lua::StackUnwinder top(L);
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if (!lua_checkstack(L, 2))
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return false;
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if (!Lua::PushModulePublic(out, L, "plugins.stockflow", method))
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return false;
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Lua::Push(L, sp);
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if (!Lua::SafeCall(out, L, 1, 0))
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return false;
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// Invalidate the string cache.
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stockpile_id = -1;
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return true;
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}
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bool collect_settings(building_stockpilest *sp) {
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// Find strings representing the job to order, and the trigger condition.
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// There might be a memory leak here; C++ is odd like that.
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auto L = Lua::Core::State;
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color_ostream_proxy out(Core::getInstance().getConsole());
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Lua::StackUnwinder top(L);
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if (!lua_checkstack(L, 2))
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return false;
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if (!Lua::PushModulePublic(out, L, "plugins.stockflow", "stockpile_settings"))
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return false;
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Lua::Push(L, sp);
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if (!Lua::SafeCall(out, L, 1, 2))
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return false;
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if (!lua_isstring(L, -1))
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return false;
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current_trigger = lua_tostring(L, -1);
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lua_pop(L, 1);
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if (!lua_isstring(L, -1))
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return false;
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current_job = lua_tostring(L, -1);
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lua_pop(L, 1);
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stockpile_id = sp->id;
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return true;
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}
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void draw(building_stockpilest *sp) {
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if (sp->id != stockpile_id) {
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if (!collect_settings(sp)) {
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Core::printerr("Stockflow job collection failed!\n");
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return;
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}
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}
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auto dims = Gui::getDwarfmodeViewDims();
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int left_margin = dims.menu_x1 + 1;
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int x = left_margin;
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int y = 14;
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OutputHotkeyString(x, y, current_job, "j", true, left_margin, COLOR_WHITE, COLOR_LIGHTRED);
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if (*current_trigger)
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OutputHotkeyString(x, y, current_trigger, " J", true, left_margin, COLOR_WHITE, COLOR_LIGHTRED);
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}
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private:
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long stockpile_id;
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bool initialized;
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bool bookkeeping;
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const char *current_job;
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const char *current_trigger;
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};
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static LuaHelper helper;
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#define DELTA_TICKS 600
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DFhackCExport command_result plugin_onupdate(color_ostream &out) {
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if (!enabled)
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return CR_OK;
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if (!Maps::IsValid())
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return CR_OK;
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static decltype(world->frame_counter) last_frame_count = 0;
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if (DFHack::World::ReadPauseState())
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return CR_OK;
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if (world->frame_counter - last_frame_count < DELTA_TICKS)
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return CR_OK;
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last_frame_count = world->frame_counter;
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helper.cycle(out);
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return CR_OK;
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}
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/*
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* Interface hooks
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*/
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struct stockflow_hook : public df::viewscreen_dwarfmodest {
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typedef df::viewscreen_dwarfmodest interpose_base;
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bool handleInput(set<df::interface_key> *input) {
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building_stockpilest *sp = get_selected_stockpile();
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if (!sp)
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return false;
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if (input->count(interface_key::CUSTOM_J)) {
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// Select a new order for this stockpile.
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if (!helper.stockpile_method("select_order", sp)) {
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Core::printerr("Stockflow order selection failed!\n");
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}
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return true;
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} else if (input->count(interface_key::CUSTOM_SHIFT_J)) {
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// Toggle the order trigger for this stockpile.
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if (!helper.stockpile_method("toggle_trigger", sp)) {
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Core::printerr("Stockflow trigger toggle failed!\n");
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}
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return true;
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}
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return false;
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}
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DEFINE_VMETHOD_INTERPOSE(void, feed, (set<df::interface_key> *input)) {
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if (!handleInput(input))
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INTERPOSE_NEXT(feed)(input);
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}
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DEFINE_VMETHOD_INTERPOSE(void, render, ()) {
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INTERPOSE_NEXT(render)();
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building_stockpilest *sp = get_selected_stockpile();
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if (sp)
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helper.draw(sp);
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}
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};
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IMPLEMENT_VMETHOD_INTERPOSE(stockflow_hook, feed);
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IMPLEMENT_VMETHOD_INTERPOSE(stockflow_hook, render);
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static command_result stockflow_cmd(color_ostream &out, vector <string> & parameters) {
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bool desired = enabled;
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if (parameters.size() == 1) {
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if (parameters[0] == "enable" || parameters[0] == "on" || parameters[0] == "1") {
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desired = true;
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} else if (parameters[0] == "disable" || parameters[0] == "off" || parameters[0] == "0") {
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desired = false;
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} else if (parameters[0] == "usage" || parameters[0] == "help" || parameters[0] == "?") {
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out.print("%s: %s\nUsage:\n%s", name, tagline, usage);
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return CR_OK;
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} else if (parameters[0] == "list") {
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if (!enabled) {
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out.printerr("Stockflow is not currently enabled.\n");
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return CR_FAILURE;
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}
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if (!Maps::IsValid()) {
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out.printerr("You haven't loaded a map yet.\n");
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return CR_FAILURE;
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}
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// Tell Lua to list any saved stockpile orders.
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return helper.command_method("list_orders", out)? CR_OK: CR_FAILURE;
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} else if (parameters[0] != "status") {
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return CR_WRONG_USAGE;
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}
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} else if (parameters.size() > 1) {
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return CR_WRONG_USAGE;
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}
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if (desired != enabled) {
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if (desired && !gps) {
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out.printerr("Stockflow needs graphics.\n");
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return CR_FAILURE;
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}
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if (!INTERPOSE_HOOK(stockflow_hook, feed).apply(desired) || !INTERPOSE_HOOK(stockflow_hook, render).apply(desired)) {
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out.printerr("Could not %s stockflow hooks!\n", desired? "insert": "remove");
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return CR_FAILURE;
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}
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if (!helper.reset(out, desired && Maps::IsValid())) {
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out.printerr("Could not reset stockflow world data!\n");
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return CR_FAILURE;
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}
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}
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out.print("Stockflow is %s %s.\n", (desired == enabled)? "currently": "now", desired? "enabled": "disabled");
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enabled = desired;
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return CR_OK;
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}
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DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_change_event event) {
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if (event == DFHack::SC_MAP_LOADED) {
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if (!helper.reset(out, enabled)) {
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out.printerr("Could not load stockflow world data!\n");
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return CR_FAILURE;
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}
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} else if (event == DFHack::SC_MAP_UNLOADED) {
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if (!helper.reset(out, false)) {
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out.printerr("Could not unload stockflow world data!\n");
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return CR_FAILURE;
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}
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}
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return CR_OK;
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}
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DFhackCExport command_result plugin_init(color_ostream &out, std::vector <PluginCommand> &commands) {
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helper.init();
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commands.push_back(PluginCommand(name, tagline, stockflow_cmd, false, usage));
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return CR_OK;
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}
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DFhackCExport command_result plugin_shutdown(color_ostream &out) {
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return CR_OK;
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}
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