/*
https://github.com/peterix/dfhack
Copyright (c) 2009-2012 Petr Mrázek (peterix@gmail.com)

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source
distribution.
*/


#include "Internal.h"

#include <string>
#include <vector>
#include <map>
using namespace std;

#include "modules/Gui.h"
#include "MemAccess.h"
#include "VersionInfo.h"
#include "Types.h"
#include "Error.h"
#include "ModuleFactory.h"
#include "Core.h"
#include "Debug.h"
#include "PluginManager.h"
#include "MiscUtils.h"
using namespace DFHack;

#include "modules/Job.h"
#include "modules/Screen.h"
#include "modules/Maps.h"
#include "modules/Units.h"

#include "DataDefs.h"

#include "df/announcement_flags.h"
#include "df/assign_trade_status.h"
#include "df/building_cagest.h"
#include "df/building_civzonest.h"
#include "df/building_furnacest.h"
#include "df/building_trapst.h"
#include "df/building_type.h"
#include "df/building_workshopst.h"
#include "df/d_init.h"
#include "df/game_mode.h"
#include "df/general_ref.h"
#include "df/global_objects.h"
#include "df/graphic.h"
#include "df/historical_figure.h"
#include "df/interfacest.h"
#include "df/item_corpsepiecest.h"
#include "df/item_corpsest.h"
#include "df/job.h"
#include "df/layer_object_listst.h"
#include "df/occupation.h"
#include "df/plant.h"
#include "df/popup_message.h"
#include "df/report.h"
#include "df/report_zoom_type.h"
#include "df/route_stockpile_link.h"
#include "df/stop_depart_condition.h"
#include "df/ui_advmode.h"
#include "df/ui_build_selector.h"
#include "df/ui_look_list.h"
#include "df/ui_sidebar_menus.h"
#include "df/ui_unit_view_mode.h"
#include "df/unit.h"
#include "df/unit_inventory_item.h"
#include "df/viewscreen_announcelistst.h"
#include "df/viewscreen_assign_display_itemst.h"
#include "df/viewscreen_buildinglistst.h"
#include "df/viewscreen_customize_unitst.h"
#include "df/viewscreen_dungeon_monsterstatusst.h"
#include "df/viewscreen_dungeonmodest.h"
#include "df/viewscreen_dwarfmodest.h"
#include "df/viewscreen_itemst.h"
#include "df/viewscreen_joblistst.h"
#include "df/viewscreen_jobmanagementst.h"
#include "df/viewscreen_jobst.h"
#include "df/viewscreen_layer.h"
#include "df/viewscreen_layer_assigntradest.h"
#include "df/viewscreen_layer_militaryst.h"
#include "df/viewscreen_layer_noblelistst.h"
#include "df/viewscreen_layer_overall_healthst.h"
#include "df/viewscreen_layer_stockpilest.h"
#include "df/viewscreen_layer_unit_healthst.h"
#include "df/viewscreen_layer_unit_relationshipst.h"
#include "df/viewscreen_locationsst.h"
#include "df/viewscreen_petst.h"
#include "df/viewscreen_storesst.h"
#include "df/viewscreen_textviewerst.h"
#include "df/viewscreen_tradegoodsst.h"
#include "df/viewscreen_unitlistst.h"
#include "df/viewscreen_unitst.h"
#include "df/viewscreen_reportlistst.h"
#include "df/viewscreen_workquota_conditionst.h"
#include "df/viewscreen_workshop_profilest.h"
#include "df/world.h"

namespace DFHack
{
    DBG_DECLARE(core, gui, DebugCategory::LINFO);
}

using namespace df::enums;

using df::global::gamemode;
using df::global::gps;
using df::global::gview;
using df::global::init;
using df::global::selection_rect;
using df::global::ui;
using df::global::ui_menu_width;
using df::global::ui_sidebar_menus;
using df::global::world;

static df::layer_object_listst *getLayerList(df::viewscreen_layer *layer, int idx)
{
    return virtual_cast<df::layer_object_listst>(vector_get(layer->layer_objects,idx));
}

static std::string getNameChunk(virtual_identity *id, int start, int end)
{
    if (!id)
        return "UNKNOWN";
    const char *name = id->getName();
    int len = strlen(name);
    if (len > start + end)
        return std::string(name+start, len-start-end);
    else
        return name;
}

/*
 * Classifying focus context by means of a string path.
 */

typedef void (*getFocusStringHandler)(std::string &str, df::viewscreen *screen);
static std::map<virtual_identity*, getFocusStringHandler> getFocusStringHandlers;

#define VIEWSCREEN(name) df::viewscreen_##name##st
#define DEFINE_GET_FOCUS_STRING_HANDLER(screen_type) \
    static void getFocusString_##screen_type(std::string &focus, VIEWSCREEN(screen_type) *screen);\
    DFHACK_STATIC_ADD_TO_MAP(\
        &getFocusStringHandlers, &VIEWSCREEN(screen_type)::_identity, \
        (getFocusStringHandler)getFocusString_##screen_type \
    ); \
    static void getFocusString_##screen_type(std::string &focus, VIEWSCREEN(screen_type) *screen)

DEFINE_GET_FOCUS_STRING_HANDLER(dwarfmode)
{
    using namespace df::enums::ui_sidebar_mode;

    using df::global::ui_workshop_in_add;
    using df::global::ui_build_selector;
    using df::global::ui_selected_unit;
    using df::global::ui_look_list;
    using df::global::ui_look_cursor;
    using df::global::ui_building_item_cursor;
    using df::global::ui_building_assign_type;
    using df::global::ui_building_assign_is_marked;
    using df::global::ui_building_assign_units;
    using df::global::ui_building_assign_items;
    using df::global::ui_building_in_assign;

    focus += "/" + enum_item_key(ui->main.mode);

    switch (ui->main.mode)
    {
    case QueryBuilding:
        if (df::building *selected = world->selected_building)
        {
            if (!selected->jobs.empty() &&
                selected->jobs[0]->job_type == job_type::DestroyBuilding)
            {
                focus += "/Destroying";
                break;
            }

            focus += "/Some";

            virtual_identity *id = virtual_identity::get(selected);

            bool jobs = false;

            if (id == &df::building_workshopst::_identity ||
                id == &df::building_furnacest::_identity)
            {
                focus += "/Workshop";
                jobs = true;
            }
            else if (id == &df::building_trapst::_identity)
            {
                auto trap = (df::building_trapst*)selected;
                focus += "/" + enum_item_key(trap->trap_type);
                if (trap->trap_type == trap_type::Lever)
                    jobs = true;
            }
            else if (ui_building_in_assign && *ui_building_in_assign &&
                     ui_building_assign_type && ui_building_assign_units &&
                     ui_building_assign_type->size() == ui_building_assign_units->size())
            {
                focus += "/Assign";
                if (ui_building_item_cursor)
                {
                    auto unit = vector_get(*ui_building_assign_units, *ui_building_item_cursor);
                    focus += unit ? "/Unit" : "/None";
                }
            }
            else
                focus += "/" + enum_item_key(selected->getType());

            if (jobs)
            {
                if (ui_workshop_in_add && *ui_workshop_in_add)
                    focus += "/AddJob";
                else if (!selected->jobs.empty())
                    focus += "/Job";
                else
                    focus += "/Empty";
            }
        }
        else
            focus += "/None";
        break;

    case Build:
        if (ui_build_selector)
        {
            // Not selecting, or no choices?
            if (ui_build_selector->building_type < 0)
                focus += "/Type";
            else if (ui_build_selector->stage != 2)
            {
                if (ui_build_selector->stage != 1)
                    focus += "/NoMaterials";
                else
                    focus += "/Position";

                focus += "/" + enum_item_key(ui_build_selector->building_type);
            }
            else
            {
                focus += "/Material";
                if (ui_build_selector->is_grouped)
                    focus += "/Groups";
                else
                    focus += "/Items";
            }
        }
        break;

    case ViewUnits:
        if (ui_selected_unit)
        {
            if (vector_get(world->units.active, *ui_selected_unit))
            {
                focus += "/Some";

                using df::global::ui_unit_view_mode;

                if (ui_unit_view_mode)
                    focus += "/" + enum_item_key(ui_unit_view_mode->value);
            }
            else
                focus += "/None";
        }
        break;

    case LookAround:
        if (ui_look_list && ui_look_cursor)
        {
            auto item = vector_get(ui_look_list->items, *ui_look_cursor);
            if (item)
                focus += "/" + enum_item_key(item->type);
            else
                focus += "/None";
        }
        break;

    case BuildingItems:
        if (VIRTUAL_CAST_VAR(selected, df::building_actual, world->selected_building))
        {
            if (selected->contained_items.empty())
                focus += "/Some/Empty";
            else
                focus += "/Some/Item";
        }
        else
            focus += "/None";
        break;

    case ZonesPenInfo:
        if (ui_building_assign_type && ui_building_assign_units &&
            ui_building_assign_is_marked && ui_building_assign_items &&
            ui_building_assign_type->size() == ui_building_assign_units->size())
        {
            focus += "/Assign";
            if (ui_building_item_cursor)
            {
                if (vector_get(*ui_building_assign_units, *ui_building_item_cursor))
                    focus += "/Unit";
                else if (vector_get(*ui_building_assign_items, *ui_building_item_cursor))
                    focus += "/Vermin";
                else
                    focus += "/None";
            }
        }
        break;

    case Burrows:
        if (ui->burrows.in_confirm_delete)
            focus += "/ConfirmDelete";
        else if (ui->burrows.in_add_units_mode)
            focus += "/AddUnits";
        else if (ui->burrows.in_edit_name_mode)
            focus += "/EditName";
        else if (ui->burrows.in_define_mode)
            focus += "/Define";
        else
            focus += "/List";
        break;

    case Hauling:
        if (ui->hauling.in_assign_vehicle)
        {
            auto vehicle = vector_get(ui->hauling.vehicles, ui->hauling.cursor_vehicle);
            focus += "/AssignVehicle/" + std::string(vehicle ? "Some" : "None");
        }
        else
        {
            int idx = ui->hauling.cursor_top;
            auto route = vector_get(ui->hauling.view_routes, idx);
            auto stop = vector_get(ui->hauling.view_stops, idx);
            std::string tag = stop ? "Stop" : (route ? "Route" : "None");

            if (ui->hauling.in_name)
                focus += "/Rename/" + tag;
            else if (ui->hauling.in_stop)
            {
                int sidx = ui->hauling.cursor_stop;
                auto cond = vector_get(ui->hauling.stop_conditions, sidx);
                auto link = vector_get(ui->hauling.stop_links, sidx);

                focus += "/DefineStop";

                if (cond)
                    focus += "/Cond/" + enum_item_key(cond->mode);
                else if (link)
                {
                    focus += "/Link/";
                    if (link->mode.bits.give) focus += "Give";
                    if (link->mode.bits.take) focus += "Take";
                }
                else
                    focus += "/None";
            }
            else
                focus += "/Select/" + tag;
        }
        break;

    default:
        break;
    }
}

DEFINE_GET_FOCUS_STRING_HANDLER(dungeonmode)
{
    using df::global::ui_advmode;

    if (!ui_advmode)
        return;

    focus += "/" + enum_item_key(ui_advmode->menu);
}

DEFINE_GET_FOCUS_STRING_HANDLER(unitlist)
{
    focus += "/" + enum_item_key(screen->page);
}

DEFINE_GET_FOCUS_STRING_HANDLER(layer_military)
{
    auto list1 = getLayerList(screen, 0);
    auto list2 = getLayerList(screen, 1);
    auto list3 = getLayerList(screen, 2);
    if (!list1 || !list2 || !list3) return;

    focus += "/" + enum_item_key(screen->page);

    int cur_list;
    if (list1->active) cur_list = 0;
    else if (list2->active) cur_list = 1;
    else if (list3->active) cur_list = 2;
    else return;

    switch (screen->page)
    {
    case df::viewscreen_layer_militaryst::Positions:
        {
            static const char *lists[] = { "/Squads", "/Positions", "/Candidates" };
            focus += lists[cur_list];
            break;
        }

    case df::viewscreen_layer_militaryst::Equip:
        {
            focus += "/" + enum_item_key(screen->equip.mode);

            switch (screen->equip.mode)
            {
            case df::viewscreen_layer_militaryst::T_equip::Customize:
                {
                    if (screen->equip.edit_mode < 0)
                        focus += "/View";
                    else
                        focus += "/" + enum_item_key(screen->equip.edit_mode);
                    break;
                }
            case df::viewscreen_layer_militaryst::T_equip::Uniform:
                break;
            case df::viewscreen_layer_militaryst::T_equip::Priority:
                {
                    if (screen->equip.prio_in_move >= 0)
                        focus += "/Move";
                    else
                        focus += "/View";
                    break;
                }
            }

            static const char *lists[] = { "/Squads", "/Positions", "/Choices" };
            focus += lists[cur_list];
            break;
        }

    default:
        break;
    }
}

DEFINE_GET_FOCUS_STRING_HANDLER(workshop_profile)
{
    typedef df::viewscreen_workshop_profilest::T_tab T_tab;
    switch(screen->tab)
    {
    case T_tab::Workers:
        focus += "/Unit";
        break;
    case T_tab::Orders:
        focus += "/Orders";
        break;
    case T_tab::Restrictions:
        focus += "/Restrictions";
        break;
    }
}

DEFINE_GET_FOCUS_STRING_HANDLER(layer_noblelist)
{
    auto list1 = getLayerList(screen, 0);
    auto list2 = getLayerList(screen, 1);
    if (!list1 || !list2) return;

    focus += "/" + enum_item_key(screen->mode);
}

DEFINE_GET_FOCUS_STRING_HANDLER(pet)
{
    focus += "/" + enum_item_key(screen->mode);

    switch (screen->mode)
    {
    case df::viewscreen_petst::List:
        focus += vector_get(screen->is_vermin, screen->cursor) ? "/Vermin" : "/Unit";
        break;

    case df::viewscreen_petst::SelectTrainer:
        if (vector_get(screen->trainer_unit, screen->trainer_cursor))
            focus += "/Unit";
        break;

    default:
        break;
    }
}

DEFINE_GET_FOCUS_STRING_HANDLER(layer_overall_health)
{
    auto list1 = getLayerList(screen, 0);
    if (!list1) return;

    focus += "/Units";
}

DEFINE_GET_FOCUS_STRING_HANDLER(tradegoods)
{
    if (!screen->has_traders || screen->is_unloading)
        focus += "/NoTraders";
    else if (screen->in_edit_count)
        focus += "/EditCount";
    else
        focus += (screen->in_right_pane ? "/Items/Broker" : "/Items/Trader");
}

DEFINE_GET_FOCUS_STRING_HANDLER(layer_assigntrade)
{
    auto list1 = getLayerList(screen, 0);
    auto list2 = getLayerList(screen, 1);
    if (!list1 || !list2) return;

    int list_idx = vector_get(screen->visible_lists, list1->cursor, (int16_t)-1);
    unsigned num_lists = sizeof(screen->lists)/sizeof(screen->lists[0]);
    if (unsigned(list_idx) >= num_lists)
        return;

    if (list1->active)
        focus += "/Groups";
    else
        focus += "/Items";
}

DEFINE_GET_FOCUS_STRING_HANDLER(stores)
{
    if (!screen->in_right_list)
        focus += "/Categories";
    else if (screen->in_group_mode)
        focus += "/Groups";
    else
        focus += "/Items";
}

DEFINE_GET_FOCUS_STRING_HANDLER(layer_stockpile)
{
    auto list1 = getLayerList(screen, 0);
    auto list2 = getLayerList(screen, 1);
    auto list3 = getLayerList(screen, 2);
    if (!list1 || !list2 || !list3 || !screen->settings) return;

    auto group = screen->cur_group;
    if (group != vector_get(screen->group_ids, list1->cursor))
        return;

    focus += "/" + enum_item_key(group);

    auto bits = vector_get(screen->group_bits, list1->cursor);
    if (bits.whole && !(bits.whole & screen->settings->flags.whole))
    {
        focus += "/Off";
        return;
    }

    focus += "/On";

    if (list2->active || list3->active || screen->list_ids.empty()) {
        focus += "/" + enum_item_key(screen->cur_list);

        if (list3->active)
            focus += (screen->item_names.empty() ? "/None" : "/Item");
    }
}

DEFINE_GET_FOCUS_STRING_HANDLER(locations)
{
    focus += "/" + enum_item_key(screen->menu);
}

DEFINE_GET_FOCUS_STRING_HANDLER(jobmanagement)
{
    focus += (screen->in_max_workshops ? "/MaxWorkshops" : "/Main");
}

DEFINE_GET_FOCUS_STRING_HANDLER(workquota_condition)
{
    focus += "/" + enum_item_key(screen->mode);
    if (screen->item_count_edit)
        focus += "/EditCount";
}

std::string Gui::getFocusString(df::viewscreen *top)
{
    if (!top)
        return "";

    if (dfhack_viewscreen::is_instance(top))
    {
        auto name = static_cast<dfhack_viewscreen*>(top)->getFocusString();
        return name.empty() ? "dfhack" : "dfhack/"+name;
    }
    else if (virtual_identity *id = virtual_identity::get(top))
    {
        std::string name = getNameChunk(id, 11, 2);

        auto handler = map_find(getFocusStringHandlers, id);
        if (handler)
            handler(name, top);

        return name;
    }
    else
    {
        Core &core = Core::getInstance();
        std::string name = core.p->readClassName(*(void**)top);
        return name.substr(11, name.size()-11-2);
    }
}

// Predefined common guard functions

bool Gui::default_hotkey(df::viewscreen *top)
{
    // Default hotkey guard function
    for (;top ;top = top->parent)
    {
        if (strict_virtual_cast<df::viewscreen_dwarfmodest>(top))
            return true;
        if (strict_virtual_cast<df::viewscreen_dungeonmodest>(top))
            return true;
    }
    return false;
}

bool Gui::dwarfmode_hotkey(df::viewscreen *top)
{
    // Require the main dwarf mode screen
    return !!strict_virtual_cast<df::viewscreen_dwarfmodest>(top);
}

bool Gui::unitjobs_hotkey(df::viewscreen *top)
{
    // Require the unit or jobs list
    return !!strict_virtual_cast<df::viewscreen_joblistst>(top) ||
           !!strict_virtual_cast<df::viewscreen_unitlistst>(top);
}

bool Gui::item_details_hotkey(df::viewscreen *top)
{
    // Require the main dwarf mode screen
    return !!strict_virtual_cast<df::viewscreen_itemst>(top);
}

static bool has_cursor()
{
    return df::global::cursor && df::global::cursor->x != -30000;
}

bool Gui::cursor_hotkey(df::viewscreen *top)
{
    if (!dwarfmode_hotkey(top))
        return false;

    // Also require the cursor.
    if (!has_cursor())
        return false;

    return true;
}

bool Gui::workshop_job_hotkey(df::viewscreen *top)
{
    using namespace ui_sidebar_mode;
    using df::global::ui;
    using df::global::world;
    using df::global::ui_workshop_in_add;
    using df::global::ui_workshop_job_cursor;

    if (!dwarfmode_hotkey(top))
        return false;

    switch (ui->main.mode) {
    case QueryBuilding:
        {
            if (!ui_workshop_job_cursor) // allow missing
                return false;

            df::building *selected = world->selected_building;
            if (!virtual_cast<df::building_workshopst>(selected) &&
                !virtual_cast<df::building_furnacest>(selected))
                return false;

            // No jobs?
            if (selected->jobs.empty() ||
                selected->jobs[0]->job_type == job_type::DestroyBuilding)
                return false;

            // Add job gui activated?
            if (ui_workshop_in_add && *ui_workshop_in_add)
                return false;

            return true;
        };
    default:
        return false;
    }
}

bool Gui::build_selector_hotkey(df::viewscreen *top)
{
    using namespace ui_sidebar_mode;
    using df::global::ui;
    using df::global::ui_build_selector;

    if (!dwarfmode_hotkey(top))
        return false;

    switch (ui->main.mode) {
    case Build:
        {
            if (!ui_build_selector) // allow missing
                return false;

            // Not selecting, or no choices?
            if (ui_build_selector->building_type < 0 ||
                ui_build_selector->stage != 2 ||
                ui_build_selector->choices.empty())
                return false;

            return true;
        };
    default:
        return false;
    }
}

bool Gui::view_unit_hotkey(df::viewscreen *top)
{
    using df::global::ui;
    using df::global::world;
    using df::global::ui_selected_unit;

    if (!dwarfmode_hotkey(top))
        return false;
    if (ui->main.mode != ui_sidebar_mode::ViewUnits)
        return false;
    if (!ui_selected_unit) // allow missing
        return false;

    return vector_get(world->units.active, *ui_selected_unit) != NULL;
}

bool Gui::unit_inventory_hotkey(df::viewscreen *top)
{
    using df::global::ui_unit_view_mode;

    if (!view_unit_hotkey(top))
        return false;
    if (!ui_unit_view_mode)
        return false;

    return ui_unit_view_mode->value == df::ui_unit_view_mode::Inventory;
}

df::job *Gui::getSelectedWorkshopJob(color_ostream &out, bool quiet)
{
    using df::global::world;
    using df::global::ui_workshop_job_cursor;

    if (!workshop_job_hotkey(Core::getTopViewscreen())) {
        if (!quiet)
            out.printerr("Not in a workshop, or no job is highlighted.\n");
        return NULL;
    }

    df::building *selected = world->selected_building;
    int idx = *ui_workshop_job_cursor;

    if (size_t(idx) >= selected->jobs.size())
    {
        out.printerr("Invalid job cursor index: %d\n", idx);
        return NULL;
    }

    return selected->jobs[idx];
}

bool Gui::any_job_hotkey(df::viewscreen *top)
{
    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_joblistst, top))
        return vector_get(screen->jobs, screen->cursor_pos) != NULL;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_unitlistst, top))
        return vector_get(screen->jobs[screen->page], screen->cursor_pos[screen->page]) != NULL;

    return workshop_job_hotkey(top);
}

df::job *Gui::getSelectedJob(color_ostream &out, bool quiet)
{
    df::viewscreen *top = Core::getTopViewscreen();

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_jobst, top))
    {
        return screen->job;
    }
    if (VIRTUAL_CAST_VAR(joblist, df::viewscreen_joblistst, top))
    {
        df::job *job = vector_get(joblist->jobs, joblist->cursor_pos);

        if (!job && !quiet)
            out.printerr("Selected unit has no job\n");

        return job;
    }
    else if (VIRTUAL_CAST_VAR(unitlist, df::viewscreen_unitlistst, top))
    {
        int page = unitlist->page;
        df::job *job = vector_get(unitlist->jobs[page], unitlist->cursor_pos[page]);

        if (!job && !quiet)
            out.printerr("Selected unit has no job\n");

        return job;
    }
    else if (auto dfscreen = dfhack_viewscreen::try_cast(top))
        return dfscreen->getSelectedJob();
    else
        return getSelectedWorkshopJob(out, quiet);
}

df::unit *Gui::getAnyUnit(df::viewscreen *top)
{
    using namespace ui_sidebar_mode;
    using df::global::ui;
    using df::global::world;
    using df::global::ui_look_cursor;
    using df::global::ui_look_list;
    using df::global::ui_selected_unit;
    using df::global::ui_building_in_assign;
    using df::global::ui_building_assign_units;
    using df::global::ui_building_item_cursor;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_unitst, top))
    {
        return screen->unit;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_joblistst, top))
    {
        if (auto unit = vector_get(screen->units, screen->cursor_pos))
            return unit;
        if (auto job = vector_get(screen->jobs, screen->cursor_pos))
            return Job::getWorker(job);
        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_unitlistst, top))
        return vector_get(screen->units[screen->page], screen->cursor_pos[screen->page]);

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_dungeon_monsterstatusst, top))
        return screen->unit;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_unit_relationshipst, top))
    {
        if (VIRTUAL_CAST_VAR(list, df::layer_object_listst, vector_get(screen->layer_objects, 0)))
            return vector_get(screen->relation_unit, list->cursor);

        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_itemst, top))
    {
        df::general_ref *ref = vector_get(screen->entry_ref, screen->cursor_pos);
        return ref ? ref->getUnit() : NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_workshop_profilest, top))
    {
        if (screen->tab == df::viewscreen_workshop_profilest::Workers)
            return vector_get(screen->workers, screen->worker_idx);
        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_noblelistst, top))
    {
        switch (screen->mode)
        {
        case df::viewscreen_layer_noblelistst::List:
            if (auto list1 = getLayerList(screen, 0))
            {
                if (auto info = vector_get(screen->info, list1->cursor))
                    return info->unit;
            }
            return NULL;

        case df::viewscreen_layer_noblelistst::Appoint:
            if (auto list2 = getLayerList(screen, 1))
            {
                if (auto info = vector_get(screen->candidates, list2->cursor))
                    return info->unit;
            }
            return NULL;

        default:
            return NULL;
        }
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_locationsst, top))
    {
        switch (screen->menu)
        {
        case df::viewscreen_locationsst::AssignOccupation:
            return vector_get(screen->units, screen->unit_idx);
        case df::viewscreen_locationsst::Occupations:
        {
            auto occ = vector_get(screen->occupations, screen->occupation_idx);
            if (occ)
                return df::unit::find(occ->unit_id);
            return NULL;
        }
        default:
            return NULL;
        }
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_petst, top))
    {
        df::viewscreen_petst::T_animal animal_default;
        animal_default.unit = NULL;
        switch (screen->mode)
        {
        case df::viewscreen_petst::List:
            if (!vector_get(screen->is_vermin, screen->cursor))
                return vector_get(screen->animal, screen->cursor, animal_default).unit;
            return NULL;

        case df::viewscreen_petst::SelectTrainer:
            return vector_get(screen->trainer_unit, screen->trainer_cursor);

        default:
            return NULL;
        }
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_overall_healthst, top))
    {
        if (auto list1 = getLayerList(screen, 0))
            return vector_get(screen->unit, list1->cursor);
        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_textviewerst, top))
    {
        if (screen->parent)
            return getAnyUnit(screen->parent);
        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_reportlistst, top))
        return vector_get(screen->units, screen->cursor);

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_announcelistst, top))
    {
        if (world && screen->unit) {
            // in (r)eports -> enter
            auto *report = vector_get(screen->reports, screen->sel_idx);
            if (report)
            {
                for (df::unit *unit : world->units.all)
                {
                    if (unit && screen->report_type >= 0 && screen->report_type < 3
                        && unit != screen->unit) // find 'other' unit related to this report
                    {
                        for (int32_t report_id : unit->reports.log[screen->report_type])
                        {
                            if (report_id == report->id)
                                return unit;
                        }
                    }
                }
            }
        } else {
            // in (a)nnouncements
            return NULL; // cannot determine unit from reports
        }
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_militaryst, top))
    {
        if (screen->page == df::viewscreen_layer_militaryst::T_page::Positions) {
            auto positions = getLayerList(screen, 1);
            if (positions && positions->enabled && positions->active)
                return vector_get(screen->positions.assigned, positions->cursor);

            auto candidates = getLayerList(screen, 2);
            if (candidates && candidates->enabled && candidates->active)
                return vector_get(screen->positions.candidates, candidates->cursor);
        }
        if (screen->page == df::viewscreen_layer_militaryst::T_page::Equip) {
            auto positions = getLayerList(screen, 1);
            if (positions && positions->enabled && positions->active)
                return vector_get(screen->equip.units, positions->cursor);
        }
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_unit_healthst, top))
        return screen->unit;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_customize_unitst, top))
        return screen->unit;

    if (auto dfscreen = dfhack_viewscreen::try_cast(top))
        return dfscreen->getSelectedUnit();

    if (!Gui::dwarfmode_hotkey(top))
        return NULL;

    if (!ui)
        return NULL;

    // general assigning units in building, i.e. (q)uery cage -> (a)ssign
    if (ui_building_in_assign && *ui_building_in_assign
        && ui_building_assign_units && ui_building_item_cursor
        && ui->main.mode != Zones) // dont show for (i) zone
        return vector_get(*ui_building_assign_units, *ui_building_item_cursor);

    if (ui->follow_unit != -1)
        return df::unit::find(ui->follow_unit);

    switch (ui->main.mode) {
    case ViewUnits:
    {
        if (!ui_selected_unit || !world)
            return NULL;

        return vector_get(world->units.active, *ui_selected_unit);
    }
    case ZonesPitInfo: // (i) zone -> (P)it
    case ZonesPenInfo: // (i) zone -> pe(N)
    {
        if (!ui_building_assign_units || !ui_building_item_cursor)
            return NULL;

        return vector_get(*ui_building_assign_units, *ui_building_item_cursor);
    }
    case Burrows:
    {
        if (ui->burrows.in_add_units_mode)
            return vector_get(ui->burrows.list_units, ui->burrows.unit_cursor_pos);

        return NULL;
    }
    case QueryBuilding:
    {
        if (df::building *building = getAnyBuilding(top))
        {
            if (VIRTUAL_CAST_VAR(cage, df::building_cagest, building))
            {
                if (ui_building_item_cursor)
                    return df::unit::find(vector_get(cage->assigned_units, *ui_building_item_cursor));
            }
        }
        return NULL;
    }
    case LookAround:
    {
        if (!ui_look_list || !ui_look_cursor)
            return NULL;

        if (auto item = vector_get(ui_look_list->items, *ui_look_cursor))
        {
            if (item->type == df::ui_look_list::T_items::Unit)
                return item->data.Unit;
            else if (item->type == df::ui_look_list::T_items::Item)
            {
                if (VIRTUAL_CAST_VAR(corpse, df::item_corpsest, item->data.Item))
                    return df::unit::find(corpse->unit_id); // loo(k) at corpse
                else if (VIRTUAL_CAST_VAR(corpsepiece, df::item_corpsepiecest, item->data.Item))
                    return df::unit::find(corpsepiece->unit_id); // loo(k) at corpse piece
            }
            else if (item->type == df::ui_look_list::T_items::Spatter)
            {
                // loo(k) at blood/ichor/.. spatter with a name
                MaterialInfo mat;
                if (mat.decode(item->spatter_mat_type, item->spatter_mat_index) && mat.figure)
                    return df::unit::find(mat.figure->unit_id);
            }
        }

        return NULL;
    }
    default:
        return NULL;
    }
}

bool Gui::any_unit_hotkey(df::viewscreen *top)
{
    return getAnyUnit(top) != NULL;
}

df::unit *Gui::getSelectedUnit(color_ostream &out, bool quiet)
{
    df::unit *unit = getAnyUnit(Core::getTopViewscreen());

    if (!unit && !quiet)
        out.printerr("No unit is selected in the UI.\n");

    return unit;
}

df::item *Gui::getAnyItem(df::viewscreen *top)
{
    using namespace ui_sidebar_mode;
    using df::global::ui;
    using df::global::world;
    using df::global::ui_look_cursor;
    using df::global::ui_look_list;
    using df::global::ui_unit_view_mode;
    using df::global::ui_building_item_cursor;
    using df::global::ui_sidebar_menus;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_textviewerst, top))
    {
        // return the main item if the parent screen is a viewscreen_itemst
        if (VIRTUAL_CAST_VAR(parent_screen, df::viewscreen_itemst, screen->parent))
            return parent_screen->item;

        if (screen->parent)
            return getAnyItem(screen->parent);

        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_itemst, top))
    {
        df::general_ref *ref = vector_get(screen->entry_ref, screen->cursor_pos);
        return ref ? ref->getItem() : NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_layer_assigntradest, top))
    {
        auto list1 = getLayerList(screen, 0);
        auto list2 = getLayerList(screen, 1);
        if (!list1 || !list2 || !list2->active)
            return NULL;

        int list_idx = vector_get(screen->visible_lists, list1->cursor, (int16_t)-1);
        unsigned num_lists = sizeof(screen->lists)/sizeof(std::vector<int32_t>);
        if (unsigned(list_idx) >= num_lists)
            return NULL;

        int idx = vector_get(screen->lists[list_idx], list2->cursor, -1);
        if (auto info = vector_get(screen->info, idx))
            return info->item;

        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_tradegoodsst, top))
    {
        if (screen->in_right_pane)
            return vector_get(screen->broker_items, screen->broker_cursor);
        else
            return vector_get(screen->trader_items, screen->trader_cursor);
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_storesst, top))
    {
        if (screen->in_right_list && !screen->in_group_mode)
            return vector_get(screen->items, screen->item_cursor);

        return NULL;
    }

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_assign_display_itemst, top))
    {
        if (screen->sel_column == df::viewscreen_assign_display_itemst::T_sel_column::Items)
            return vector_get(screen->items[screen->item_type[screen->sel_type]],
                screen->sel_item);

        return NULL;
    }

    if (auto dfscreen = dfhack_viewscreen::try_cast(top))
        return dfscreen->getSelectedItem();

    if (!Gui::dwarfmode_hotkey(top))
        return NULL;

    switch (ui->main.mode) {
    case ViewUnits:
    {
        if (!ui_unit_view_mode || !ui_look_cursor || !ui_sidebar_menus)
            return NULL;

        if (ui_unit_view_mode->value != df::ui_unit_view_mode::Inventory)
            return NULL;

        auto inv_item = vector_get(ui_sidebar_menus->unit.inv_items, *ui_look_cursor);
        return inv_item ? inv_item->item : NULL;
    }
    case LookAround:
    {
        if (!ui_look_list || !ui_look_cursor)
            return NULL;

        auto item = vector_get(ui_look_list->items, *ui_look_cursor);
        if (item && item->type == df::ui_look_list::T_items::Item)
            return item->data.Item;
        else
            return NULL;
    }
    case BuildingItems:
    {
        if (!ui_building_item_cursor)
            return NULL;

        VIRTUAL_CAST_VAR(selected, df::building_actual, world->selected_building);
        if (!selected)
            return NULL;

        auto inv_item = vector_get(selected->contained_items, *ui_building_item_cursor);
        return inv_item ? inv_item->item : NULL;
    }
    default:
        return NULL;
    }
}

bool Gui::any_item_hotkey(df::viewscreen *top)
{
    return getAnyItem(top) != NULL;
}

df::item *Gui::getSelectedItem(color_ostream &out, bool quiet)
{
    df::item *item = getAnyItem(Core::getTopViewscreen());

    if (!item && !quiet)
        out.printerr("No item is selected in the UI.\n");

    return item;
}

df::building *Gui::getAnyBuilding(df::viewscreen *top)
{
    using namespace ui_sidebar_mode;
    using df::global::ui;
    using df::global::ui_look_list;
    using df::global::ui_look_cursor;
    using df::global::world;
    using df::global::ui_sidebar_menus;

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_buildinglistst, top))
        return vector_get(screen->buildings, screen->cursor);

    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_workshop_profilest, top))
        return df::building::find(screen->building_id);

    if (auto dfscreen = dfhack_viewscreen::try_cast(top))
        return dfscreen->getSelectedBuilding();

    if (!Gui::dwarfmode_hotkey(top))
        return NULL;

    switch (ui->main.mode) {
    case LookAround:
    {
        if (!ui_look_list || !ui_look_cursor)
            return NULL;

        auto item = vector_get(ui_look_list->items, *ui_look_cursor);
        if (item && item->type == df::ui_look_list::T_items::Building)
            return item->data.Building;
        else
            return NULL;
    }
    case QueryBuilding:
    case BuildingItems:
    {
        return world->selected_building;
    }
    case Zones:
    case ZonesPenInfo:
    case ZonesPitInfo:
    case ZonesHospitalInfo:
    {
        if (ui_sidebar_menus)
            return ui_sidebar_menus->zone.selected;
        return NULL;
    }
    default:
        return NULL;
    }
}

bool Gui::any_building_hotkey(df::viewscreen *top)
{
    return getAnyBuilding(top) != NULL;
}

df::building *Gui::getSelectedBuilding(color_ostream &out, bool quiet)
{
    df::building *building = getAnyBuilding(Core::getTopViewscreen());

    if (!building && !quiet)
        out.printerr("No building is selected in the UI.\n");

    return building;
}

df::plant *Gui::getAnyPlant(df::viewscreen *top)
{
    using df::global::cursor;
    using df::global::ui;
    using df::global::world;

    if (auto dfscreen = dfhack_viewscreen::try_cast(top))
        return dfscreen->getSelectedPlant();

    if (Gui::dwarfmode_hotkey(top))
    {
        if (!cursor || !ui || !world)
            return nullptr;

        if (ui->main.mode == ui_sidebar_mode::LookAround)
        {
            return Maps::getPlantAtTile(cursor->x, cursor->y, cursor->z);
        }
    }

    return nullptr;
}

bool Gui::any_plant_hotkey(df::viewscreen *top)
{
    return getAnyPlant(top) != nullptr;
}

df::plant *Gui::getSelectedPlant(color_ostream &out, bool quiet)
{
    df::plant *plant = getAnyPlant(Core::getTopViewscreen());

    if (!plant && !quiet)
        out.printerr("No plant is selected in the UI.\n");

    return plant;
}

//

DFHACK_EXPORT void Gui::writeToGamelog(std::string message)
{
    if (message.empty())
        return;

    std::ofstream fseed("gamelog.txt", std::ios::out | std::ios::app);
    if(fseed.is_open())
        fseed << message << std::endl;
    fseed.close();
}

bool Gui::parseReportString(std::vector<std::string> &out, const std::string &str, size_t line_length)
{   // out vector will contain strings cut to line_length, avoiding cutting up words
    // Reverse-engineered from DF announcement code, fixes applied

    if (str.empty() || line_length == 0)
        return false;
    out.clear();

    bool ignore_space = false;
    string current_line = "";
    size_t iter = 0;
    do
    {
        if (ignore_space)
        {
            if (str[iter] == ' ')
                continue;
            ignore_space = false;
        }

        if (str[iter] == '&') // escape character
        {
            iter++; // ignore the '&' itself
            if (iter >= str.length())
                break;

            if (str[iter] == 'r') // "&r" starts new line
            {
                if (!current_line.empty())
                {
                    out.push_back(string(current_line));
                    current_line = "";
                }
                out.push_back(" ");
                continue; // don't add 'r' to current_line
            }
            else if (str[iter] != '&')
            {   // not "&&", don't add character to current_line
                continue;
            }
        }

        current_line += str[iter];
        if (current_line.length() > line_length)
        {
            size_t i = current_line.length(); // start of current word
            size_t j; // end of previous word
            while (--i > 0 && current_line[i] != ' '); // find start of current word

            if (i == 0)
            {   // need to push at least one char
                j = i = line_length; // last char ends up on next line
            }
            else
            {
                j = i;
                while (j > 1 && current_line[j - 1] == ' ')
                    j--; // consume excess spaces at the split point
            }
            out.push_back(current_line.substr(0, j)); // push string before j

            if (current_line[i] == ' ')
                i++; // don't keep this space
            current_line.erase(0, i); // current_line now starts at last word or is empty
            ignore_space = current_line.empty(); // ignore leading spaces on new line
        }
    } while (++iter < str.length());

    if (!current_line.empty())
        out.push_back(current_line);

    return true;
}

namespace
{   // Utility functions for reports
    bool recent_report(df::unit *unit, df::unit_report_type slot)
    {
        if (unit && !unit->reports.log[slot].empty() &&
            *df::global::cur_year == unit->reports.last_year[slot] &&
            (*df::global::cur_year_tick - unit->reports.last_year_tick[slot]) <= 500)
        {
            return true;
        }
        return false;
    }

    bool recent_report_any(df::unit *unit)
    {
        FOR_ENUM_ITEMS(unit_report_type, slot)
        {
            if (recent_report(unit, slot))
                return true;
        }
        return false;
    }

    void delete_old_reports()
    {
        auto &reports = world->status.reports;
        while (reports.size() > 3000)
        {
            if (reports[0] != NULL)
            {
                if (reports[0]->flags.bits.announcement)
                    erase_from_vector(world->status.announcements, &df::report::id, reports[0]->id);
                delete reports[0];
            }
            reports.erase(reports.begin());
        }
    }

    int32_t check_repeat_report(vector<string> &results)
    {
        if (*gamemode == game_mode::DWARF && !results.empty() && world->status.reports.size() >= results.size())
        {
            auto &reports = world->status.reports;
            size_t base = reports.size() - results.size(); // index where a repeat would start
            size_t offset = 0;
            while (reports[base + offset]->text == results[offset] && ++offset < results.size()); // match each report

            if (offset == results.size()) // all lines matched
            {
                reports[base]->duration = 100;
                return ++(reports[base]->repeat_count);
            }
        }
        return 0;
    }
}

DFHACK_EXPORT int Gui::makeAnnouncement(df::announcement_type type, df::announcement_flags flags, df::coord pos, std::string message, int color, bool bright)
{
    using df::global::world;
    using df::global::cur_year;
    using df::global::cur_year_tick;

    if (message.empty())
        return -1;

    int year = 0, year_time = 0;

    if (cur_year && cur_year_tick)
    {
        year = *cur_year;
        year_time = *cur_year_tick;
    }
    else if (!world->status.reports.empty())
    {
        // Fallback: copy from the last report
        df::report *last = world->status.reports.back();
        year = last->year;
        year_time = last->time;
    }

    // Apply the requested effects
    writeToGamelog(message);

    if (flags.bits.DO_MEGA || flags.bits.PAUSE || flags.bits.RECENTER)
    {
        resetDwarfmodeView(flags.bits.DO_MEGA || flags.bits.PAUSE);

        if (flags.bits.RECENTER && pos.isValid())
            revealInDwarfmodeMap(pos, true);

        if (flags.bits.DO_MEGA)
            showPopupAnnouncement(message, color, bright);
    }

    bool display = false;

    if (gamemode == NULL)
        display = flags.bits.A_DISPLAY || flags.bits.D_DISPLAY;
    else if (*gamemode == game_mode::ADVENTURE)
        display = flags.bits.A_DISPLAY;
    else
        display = flags.bits.D_DISPLAY;

    // Generate the report objects
    int report_idx = world->status.reports.size();
    bool continued = false;

    while (!message.empty())
    {
        df::report *new_rep = new df::report();

        new_rep->type = type;
        new_rep->pos = pos;

        new_rep->color = color;
        new_rep->bright = bright;
        new_rep->year = year;
        new_rep->time = year_time;

        new_rep->flags.bits.continuation = continued;

        int size = std::min(message.size(), (size_t)73);
        new_rep->text = message.substr(0, size);
        message = message.substr(size);

        continued = true;

        // Add the object to the lists
        new_rep->id = world->status.next_report_id++;

        world->status.reports.push_back(new_rep);

        if (display)
        {
            new_rep->flags.bits.announcement = true;
            world->status.announcements.push_back(new_rep);
            world->status.display_timer = 2000;
        }
    }

    return report_idx;
}


bool Gui::addCombatReport(df::unit *unit, df::unit_report_type slot, int report_index)
{
    using df::global::world;

    CHECK_INVALID_ARGUMENT(is_valid_enum_item(slot));

    auto &vec = world->status.reports;
    auto report = vector_get(vec, report_index);

    if (!unit || !report)
        return false;

    // Check that it is a new report
    auto &rvec = unit->reports.log[slot];
    if (!rvec.empty() && rvec.back() >= report->id)
        return false;

    // Add the report
    rvec.push_back(report->id);

    unit->reports.last_year[slot] = report->year;
    unit->reports.last_year_tick[slot] = report->time;

    switch (slot) {
        case unit_report_type::Combat:
            world->status.flags.bits.combat = true;
            break;
        case unit_report_type::Hunting:
            world->status.flags.bits.hunting = true;
            break;
        case unit_report_type::Sparring:
            world->status.flags.bits.sparring = true;
            break;
    }

    // And all the continuation lines
    for (size_t i = report_index+1; i < vec.size() && vec[i]->flags.bits.continuation; i++)
        rvec.push_back(vec[i]->id);

    return true;
}

bool Gui::addCombatReportAuto(df::unit *unit, df::announcement_flags mode, int report_index)
{
    using df::global::world;

    auto &vec = world->status.reports;
    auto report = vector_get(vec, report_index);

    if (!unit || !report)
        return false;

    bool ok = false;

    if (mode.bits.UNIT_COMBAT_REPORT)
    {
        if (unit->flags2.bits.sparring)
            ok |= addCombatReport(unit, unit_report_type::Sparring, report_index);
        else if (unit->job.current_job && unit->job.current_job->job_type == job_type::Hunt)
            ok |= addCombatReport(unit, unit_report_type::Hunting, report_index);
        else
            ok |= addCombatReport(unit, unit_report_type::Combat, report_index);
    }

    if (mode.bits.UNIT_COMBAT_REPORT_ALL_ACTIVE)
    {
        FOR_ENUM_ITEMS(unit_report_type, slot)
        {
            if (!unit->reports.log[slot].empty() &&
                unit->reports.last_year[slot] == report->year &&
                (report->time - unit->reports.last_year_tick[slot]) <= 500)
            {
                ok |= addCombatReport(unit, slot, report_index);
            }
        }
    }

    return ok;
}

void Gui::showAnnouncement(std::string message, int color, bool bright)
{
    df::announcement_flags mode;
    mode.bits.D_DISPLAY = mode.bits.A_DISPLAY = true;

    makeAnnouncement(df::announcement_type(), mode, df::coord(), message, color, bright);
}

void Gui::showZoomAnnouncement(
    df::announcement_type type, df::coord pos, std::string message, int color, bool bright
) {
    df::announcement_flags mode;
    mode.bits.D_DISPLAY = mode.bits.A_DISPLAY = true;

    makeAnnouncement(type, mode, pos, message, color, bright);
}

void Gui::showPopupAnnouncement(std::string message, int color, bool bright)
{
    using df::global::world;

    df::popup_message *popup = new df::popup_message();
    popup->text = message;
    popup->color = color;
    popup->bright = bright;
    world->status.popups.push_back(popup);
}

void Gui::showAutoAnnouncement(
    df::announcement_type type, df::coord pos, std::string message, int color, bool bright,
    df::unit *unit1, df::unit *unit2
) {
    using df::global::d_init;

    df::announcement_flags flags;
    flags.bits.D_DISPLAY = flags.bits.A_DISPLAY = true;

    if (is_valid_enum_item(type) && d_init)
        flags = d_init->announcements.flags[type];

    int id = makeAnnouncement(type, flags, pos, message, color, bright);

    addCombatReportAuto(unit1, flags, id);
    addCombatReportAuto(unit2, flags, id);
}

bool Gui::autoDFAnnouncement(df::report_init r, string message)
{   // Reverse-engineered from DF announcement code
    
    if (!world->allow_announcements)
    {
        DEBUG(gui).print("Skipped announcement because world->allow_announcements is false:\n%s\n", message.c_str());
        return false;
    }

    df::announcement_flags a_flags;
    if (is_valid_enum_item(r.type))
        a_flags = df::global::d_init->announcements.flags[r.type];
    else
    {
        WARN(gui).print("Invalid announcement type:\n%s\n", message.c_str());
        return false;
    }

    if (message.empty())
    {
        Core::printerr("Empty announcement %u\n", r.type); // DF would print this to errorlog.txt
        return false;
    }

    // Check if the announcement will actually be announced
    if (*gamemode == game_mode::ADVENTURE)
    {
        if (r.pos.x != -30000 &&
            r.type != announcement_type::CREATURE_SOUND &&
            r.type != announcement_type::REGULAR_CONVERSATION &&
            r.type != announcement_type::CONFLICT_CONVERSATION &&
            r.type != announcement_type::MECHANISM_SOUND)
        {   // If not sound, make sure we can see pos
            if ((world->units.active.empty() || (r.unit1 != world->units.active[0] && r.unit2 != world->units.active[0])) &&
                ((Maps::getTileDesignation(r.pos)->whole & 0x10) == 0x0)) // Adventure mode uses this bit to determine current visibility
            {
                DEBUG(gui).print("Adventure mode announcement not heard:\n%s\n", message.c_str());
                return false;
            }
        }
    }
    else
    {   // Dwarf mode (or arena?)
        if ((r.unit1 != NULL || r.unit2 != NULL) && (r.unit1 == NULL || Units::isHidden(r.unit1)) && (r.unit2 == NULL || Units::isHidden(r.unit2)))
        {
            DEBUG(gui).print("Dwarf mode announcement not heard:\n%s\n", message.c_str());
            return false;
        }

        if (!a_flags.bits.D_DISPLAY)
        {
            if (a_flags.bits.UNIT_COMBAT_REPORT)
            {
                if (r.unit1 == NULL && r.unit2 == NULL)
                {
                    DEBUG(gui).print("Skipped UNIT_COMBAT_REPORT because it has no units:\n%s\n", message.c_str());
                    return false;
                }
            }
            else
            {
                if (!a_flags.bits.UNIT_COMBAT_REPORT_ALL_ACTIVE)
                {
                    DEBUG(gui).print("Skipped announcement not enabled for this game mode:\n%s\n", message.c_str());
                    return false;
                }
                else if (!recent_report_any(r.unit1) && !recent_report_any(r.unit2))
                {
                    DEBUG(gui).print("Skipped UNIT_COMBAT_REPORT_ALL_ACTIVE because there's no active report:\n%s\n", message.c_str());
                    return false;
                }
            }
        }
    }

    if (a_flags.bits.PAUSE || a_flags.bits.RECENTER)
        pauseRecenter((a_flags.bits.RECENTER ? r.pos : df::coord()), a_flags.bits.PAUSE); // Does nothing outside dwarf mode

    if (a_flags.bits.DO_MEGA && (*gamemode != game_mode::ADVENTURE || world->units.active.empty() || world->units.active[0]->counters.unconscious <= 0))
        showPopupAnnouncement(message, r.color, r.bright);

    vector<string> results;
    size_t line_length = (r.speaker_id == -1) ? (init->display.grid_x - 7) : (init->display.grid_x - 10);
    parseReportString(results, message, line_length);

    if (results.empty())
    {
        DEBUG(gui).print("Skipped announcement because it was empty after parsing:\n%s\n", message.c_str());
        return false;
    }

    // Check for repeat report
    int32_t repeat_count = check_repeat_report(results);
    if (repeat_count > 0)
    {
        if (a_flags.bits.D_DISPLAY)
        {
            world->status.display_timer = r.display_timer;
            Gui::writeToGamelog("x" + to_string(repeat_count + 1));
        }
        DEBUG(gui).print("Announcement succeeded as repeat:\n%s\n", message.c_str());
        return true;
    }

    bool success = false; // only print to gamelog if report was used
    size_t new_report_index = world->status.reports.size();
    for (size_t i = 0; i < results.size(); i++)
    {   // Generate report entries for each line
        auto new_report = new df::report();
        new_report->type = r.type;
        new_report->text = results[i];
        new_report->color = r.color;
        new_report->bright = r.bright;
        new_report->flags.whole = 0x0;
        new_report->zoom_type = r.zoom_type;
        new_report->pos = r.pos;
        new_report->zoom_type2 = r.zoom_type2;
        new_report->pos2 = r.pos2;
        new_report->id = world->status.next_report_id++;
        new_report->year = *df::global::cur_year;
        new_report->time = *df::global::cur_year_tick;
        new_report->unk_v40_1 = r.unk_v40_1;
        new_report->unk_v40_2 = r.unk_v40_2;
        new_report->speaker_id = r.speaker_id;
        world->status.reports.push_back(new_report);

        if (i > 0)
            new_report->flags.bits.continuation = true;

        if (*gamemode == game_mode::ADVENTURE && !world->units.active.empty() && world->units.active[0]->counters.unconscious > 0)
            new_report->flags.bits.unconscious = true;

        if ((*gamemode == game_mode::ADVENTURE && a_flags.bits.A_DISPLAY) || (*gamemode == game_mode::DWARF && a_flags.bits.D_DISPLAY))
        {
            insert_into_vector(world->status.announcements, &df::report::id, new_report);
            new_report->flags.bits.announcement = true;
            world->status.display_timer = r.display_timer;
            success = true;
        }
    }

    if (*gamemode == game_mode::DWARF)
    {
        if (a_flags.bits.UNIT_COMBAT_REPORT)
        {
            if (r.unit1 != NULL)
            {
                if (r.flags.bits.hostile_combat)
                    success |= addCombatReport(r.unit1, unit_report_type::Combat, new_report_index);
                else if (r.unit1->job.current_job != NULL && r.unit1->job.current_job->job_type == job_type::Hunt)
                    success |= addCombatReport(r.unit1, unit_report_type::Hunting, new_report_index);
                else
                    success |= addCombatReport(r.unit1, unit_report_type::Sparring, new_report_index);
            }

            if (r.unit2 != NULL)
            {
                if (r.flags.bits.hostile_combat)
                    success |= addCombatReport(r.unit2, unit_report_type::Combat, new_report_index);
                else if (r.unit2->job.current_job != NULL && r.unit2->job.current_job->job_type == job_type::Hunt)
                    success |= addCombatReport(r.unit2, unit_report_type::Hunting, new_report_index);
                else
                    success |= addCombatReport(r.unit2, unit_report_type::Sparring, new_report_index);
            }
        }

        if (a_flags.bits.UNIT_COMBAT_REPORT_ALL_ACTIVE)
        {
            FOR_ENUM_ITEMS(unit_report_type, slot)
            {
                if (recent_report(r.unit1, slot))
                    success |= addCombatReport(r.unit1, slot, new_report_index);
                if (recent_report(r.unit2, slot))
                    success |= addCombatReport(r.unit2, slot, new_report_index);
            }
        }
    }

    delete_old_reports();

    if (/*debug_gamelog &&*/ success) // TODO: Add debug_gamelog to globals?
    {
        DEBUG(gui).print("Announcement succeeded and printed to gamelog.txt:\n%s\n", message.c_str());
        Gui::writeToGamelog(message);
    }
    /*else if (success)
    {
        DEBUG(gui).print("Announcement succeeded but skipped printing to gamelog.txt because debug_gamelog is false:\n%s\n", message.c_str());
    }*/
    else
    {
        DEBUG(gui).print("Announcement succeeded internally but didn't qualify to be displayed anywhere:\n%s\n", message.c_str());
    }

    return true;
}

bool Gui::autoDFAnnouncement(df::announcement_type type, df::coord pos, std::string message, int color,
                            bool bright, df::unit *unit1, df::unit *unit2, bool is_sparring)
{
    auto r = df::report_init();
    r.type = type;
    r.color = color;
    r.bright = bright;
    r.pos = pos;
    r.unit1 = unit1;
    r.unit2 = unit2;
    r.flags.bits.hostile_combat = !is_sparring;

    if (Maps::isValidTilePos(pos))
        r.zoom_type = report_zoom_type::Unit;

    return autoDFAnnouncement(r, message);
}

df::viewscreen *Gui::getCurViewscreen(bool skip_dismissed)
{
    if (!gview)
        return NULL;

    df::viewscreen * ws = &gview->view;
    while (ws && ws->child)
        ws = ws->child;

    if (skip_dismissed)
    {
        while (ws && Screen::isDismissed(ws) && ws->parent)
            ws = ws->parent;
    }

    return ws;
}

df::viewscreen *Gui::getViewscreenByIdentity (virtual_identity &id, int n)
{
    bool limit = (n > 0);
    df::viewscreen *screen = Gui::getCurViewscreen();
    while (screen)
    {
        if (limit && n-- <= 0)
            break;
        if (id.is_instance(screen))
            return screen;
        screen = screen->parent;
    }
    return NULL;
}

df::coord Gui::getViewportPos()
{
    if (!df::global::window_x || !df::global::window_y || !df::global::window_z)
        return df::coord(0,0,0);

    return df::coord(*df::global::window_x, *df::global::window_y, *df::global::window_z);
}

df::coord Gui::getCursorPos()
{
    using df::global::cursor;
    if (!cursor)
        return df::coord();

    return df::coord(cursor->x, cursor->y, cursor->z);
}

void Gui::recenterViewscreen(int32_t x, int32_t y, int32_t z, df::report_zoom_type zoom)
{
    // Reverse-engineered from DF announcement code, also used when scrolling

    auto dims = getDwarfmodeViewDims();
    int32_t w = dims.map_x2 - dims.map_x1 + 1;
    int32_t h = dims.map_y2 - dims.map_y1 + 1;
    int32_t new_win_x, new_win_y, new_win_z;
    getViewCoords(new_win_x, new_win_y, new_win_z);

    if (zoom != report_zoom_type::Generic && x != -30000)
    {
        if (zoom == report_zoom_type::Unit)
        {
            new_win_x = x - w / 2;
            new_win_y = y - h / 2;
        }
        else // report_zoom_type::Item
        {
            if (new_win_x > (x - 5))
                new_win_x -= (new_win_x - (x - 5) - 1) / 10 * 10 + 10;
            if (new_win_y > (y - 5))
                new_win_y -= (new_win_y - (y - 5) - 1) / 10 * 10 + 10;
            if (new_win_x < (x + 5 - w))
                new_win_x += ((x + 5 - w) - new_win_x - 1) / 10 * 10 + 10;
            if (new_win_y < (y + 5 - h))
                new_win_y += ((y + 5 - h) - new_win_y - 1) / 10 * 10 + 10;
        }

        if (new_win_z != z)
            ui_sidebar_menus->minimap.need_scan = true;
        new_win_z = z;
    }

    *df::global::window_x = clip_range(new_win_x, 0, (world->map.x_count - w));
    *df::global::window_y = clip_range(new_win_y, 0, (world->map.y_count - h));
    *df::global::window_z = clip_range(new_win_z, 0, (world->map.z_count - 1));

    return;
}

void Gui::pauseRecenter(int32_t x, int32_t y, int32_t z, bool pause)
{
    // Reverse-engineered from DF announcement code

    if (*gamemode != game_mode::DWARF)
        return;

    resetDwarfmodeView(pause);
    if (x != -30000)
    {
        recenterViewscreen(x, y, z, report_zoom_type::Item);
        ui_sidebar_menus->minimap.need_render = true;
        ui_sidebar_menus->minimap.need_scan = true;
    }

    if (init->input.pause_zoom_no_interface_ms > 0)
    {
        gview->shutdown_interface_tickcount = Core::getInstance().p->getTickCount();
        gview->shutdown_interface_for_ms = init->input.pause_zoom_no_interface_ms;
    }

    return;
}

Gui::DwarfmodeDims getDwarfmodeViewDims_default()
{
    Gui::DwarfmodeDims dims;

    auto ws = Screen::getWindowSize();
    dims.y1 = 1;
    dims.y2 = ws.y-2;

    dims.map_x1 = 1;
    dims.map_x2 = ws.x-2;
    dims.map_y1 = dims.y1;
    dims.map_y2 = dims.y2;

    dims.area_x1 = dims.area_x2 = dims.menu_x1 = dims.menu_x2 = -1;
    dims.menu_forced = false;

    int menu_pos = (ui_menu_width ? (*ui_menu_width)[0] : 2);
    int area_pos = (ui_menu_width ? (*ui_menu_width)[1] : 3);

    if (ui && ui->main.mode && menu_pos >= area_pos)
    {
        dims.menu_forced = true;
        menu_pos = area_pos-1;
    }

    dims.area_on = (area_pos < 3);
    dims.menu_on = (menu_pos < area_pos);

    if (dims.menu_on)
    {
        dims.menu_x2 = ws.x - 2;
        dims.menu_x1 = dims.menu_x2 - Gui::MENU_WIDTH + 1;
        if (menu_pos == 1)
            dims.menu_x1 -= Gui::AREA_MAP_WIDTH + 1;
        dims.map_x2 = dims.menu_x1 - 2;
    }
    if (dims.area_on)
    {
        dims.area_x2 = ws.x-2;
        dims.area_x1 = dims.area_x2 - Gui::AREA_MAP_WIDTH + 1;
        if (dims.menu_on)
            dims.menu_x2 = dims.area_x1 - 2;
        else
            dims.map_x2 = dims.area_x1 - 2;
    }

    return dims;
}

GUI_HOOK_DEFINE(Gui::Hooks::dwarfmode_view_dims, getDwarfmodeViewDims_default);
Gui::DwarfmodeDims Gui::getDwarfmodeViewDims()
{
    return GUI_HOOK_TOP(Gui::Hooks::dwarfmode_view_dims)();
}

void Gui::resetDwarfmodeView(bool pause)
{
    using df::global::cursor;

    if (ui)
    {
        ui->follow_unit = -1;
        ui->follow_item = -1;
        ui->main.mode = ui_sidebar_mode::Default;
    }

    if (selection_rect)
    {
        selection_rect->start_x = -30000;
        selection_rect->end_x = -30000;
    }

    if (cursor)
        cursor->x = cursor->y = cursor->z = -30000;

    if (pause && df::global::pause_state)
        *df::global::pause_state = true;
}

bool Gui::revealInDwarfmodeMap(df::coord pos, bool center)
{
    using df::global::window_x;
    using df::global::window_y;
    using df::global::window_z;

    if (!window_x || !window_y || !window_z || !world)
        return false;
    if (!Maps::isValidTilePos(pos))
        return false;

    auto dims = getDwarfmodeViewDims();
    int w = dims.map_x2 - dims.map_x1 + 1;
    int h = dims.map_y2 - dims.map_y1 + 1;

    *window_z = pos.z;

    if (center)
    {
        *window_x = pos.x - w/2;
        *window_y = pos.y - h/2;
    }
    else
    {
        while (*window_x + w < pos.x+5) *window_x += 10;
        while (*window_y + h < pos.y+5) *window_y += 10;
        while (*window_x + 5 > pos.x) *window_x -= 10;
        while (*window_y + 5 > pos.y) *window_y -= 10;
    }

    *window_x = std::max(0, std::min(*window_x, world->map.x_count-w));
    *window_y = std::max(0, std::min(*window_y, world->map.y_count-h));
    return true;
}

bool Gui::refreshSidebar()
{
    auto scr = getViewscreenByType<df::viewscreen_dwarfmodest>(0);
    if (scr)
    {
        if (df::global::window_z && *df::global::window_z == 0)
        {
            scr->feed_key(interface_key::CURSOR_UP_Z);
            scr->feed_key(interface_key::CURSOR_DOWN_Z);
        }
        else
        {
            scr->feed_key(interface_key::CURSOR_DOWN_Z);
            scr->feed_key(interface_key::CURSOR_UP_Z);
        }
        return true;
    }
    return false;
}

bool Gui::inRenameBuilding()
{
    if (!ui_sidebar_menus)
        return false;

    return ui_sidebar_menus->barracks.in_rename;
}

bool Gui::getViewCoords (int32_t &x, int32_t &y, int32_t &z)
{
    x = *df::global::window_x;
    y = *df::global::window_y;
    z = *df::global::window_z;
    return true;
}

bool Gui::setViewCoords (const int32_t x, const int32_t y, const int32_t z)
{
    (*df::global::window_x) = x;
    (*df::global::window_y) = y;
    (*df::global::window_z) = z;
    return true;
}

bool Gui::getCursorCoords (int32_t &x, int32_t &y, int32_t &z)
{
    x = df::global::cursor->x;
    y = df::global::cursor->y;
    z = df::global::cursor->z;
    return has_cursor();
}

bool Gui::getCursorCoords (df::coord &pos)
{
    pos.x = df::global::cursor->x;
    pos.y = df::global::cursor->y;
    pos.z = df::global::cursor->z;
    return has_cursor();
}

//FIXME: confine writing of coords to map bounds?
bool Gui::setCursorCoords (const int32_t x, const int32_t y, const int32_t z)
{
    df::global::cursor->x = x;
    df::global::cursor->y = y;
    df::global::cursor->z = z;
    return true;
}

bool Gui::getDesignationCoords (int32_t &x, int32_t &y, int32_t &z)
{
    x = df::global::selection_rect->start_x;
    y = df::global::selection_rect->start_y;
    z = df::global::selection_rect->start_z;
    return (x == -30000) ? false : true;
}

bool Gui::setDesignationCoords (const int32_t x, const int32_t y, const int32_t z)
{
    df::global::selection_rect->start_x = x;
    df::global::selection_rect->start_y = y;
    df::global::selection_rect->start_z = z;
    return true;
}

bool Gui::getMousePos (int32_t & x, int32_t & y)
{
    if (gps) {
        x = gps->mouse_x;
        y = gps->mouse_y;
    }
    else {
        x = -1;
        y = -1;
    }
    return (x == -1) ? false : true;
}

int getDepthAt_default (int32_t x, int32_t y)
{
    return 0;
}

GUI_HOOK_DEFINE(Gui::Hooks::depth_at, getDepthAt_default);
int Gui::getDepthAt (int32_t x, int32_t y)
{
    return GUI_HOOK_TOP(Gui::Hooks::depth_at)(x, y);
}

bool Gui::getWindowSize (int32_t &width, int32_t &height)
{
    if (gps) {
        width = gps->dimx;
        height = gps->dimy;
        return true;
    }
    else {
        width = 80;
        height = 25;
        return false;
    }
}

bool Gui::getMenuWidth(uint8_t &menu_width, uint8_t &area_map_width)
{
    menu_width = (*df::global::ui_menu_width)[0];
    area_map_width = (*df::global::ui_menu_width)[1];
    return true;
}

bool Gui::setMenuWidth(const uint8_t menu_width, const uint8_t area_map_width)
{
    (*df::global::ui_menu_width)[0] = menu_width;
    (*df::global::ui_menu_width)[1] = area_map_width;
    return true;
}