dfhack/plugins/automaterial.cpp

// Auto Material Select

#include <map>
#include <string>
#include <vector>

#include "Core.h"
#include <Console.h>
#include <Export.h>
#include <PluginManager.h>
#include <VTableInterpose.h>


// DF data structure definition headers
#include "DataDefs.h"
#include "MiscUtils.h"
#include "df/build_req_choice_genst.h"
#include "df/build_req_choice_specst.h"
#include "df/construction_type.h"
#include "df/item.h"
#include "df/ui.h"
#include "df/ui_build_selector.h"
#include "df/viewscreen_dwarfmodest.h"

#include "modules/Gui.h"
#include "modules/Screen.h"

using std::map;
using std::string;
using std::vector;

using namespace DFHack;
using namespace df::enums;
using df::global::gps;
using df::global::ui;
using df::global::ui_build_selector;

DFHACK_PLUGIN("automaterial");

struct MaterialDescriptor
{
    df::item_type item_type;
    int16_t item_subtype;
    int16_t type;
    int32_t index;
    bool valid;

    bool matches(const MaterialDescriptor &a) const
    {
        return a.valid && valid && 
            a.type == type && 
            a.index == index &&
            a.item_type == item_type &&
            a.item_subtype == item_subtype;
    }
};

static map<int16_t, MaterialDescriptor> last_used_material;
static map<int16_t, MaterialDescriptor> last_moved_material;
static map< int16_t, vector<MaterialDescriptor> > preferred_materials;
static map< int16_t, df::interface_key > hotkeys;
static bool last_used_moved = false;
static bool auto_choose_materials = true;
static bool auto_choose_attempted = true;
static bool revert_to_last_used_type = false;

static command_result automaterial_cmd(color_ostream &out, vector <string> & parameters)
{
    return CR_OK;
}

DFhackCExport command_result plugin_shutdown ( color_ostream &out )
{
    return CR_OK;
}

static inline bool in_material_choice_stage()
{
    return Gui::build_selector_hotkey(Core::getTopViewscreen()) && 
        ui_build_selector->building_type == df::building_type::Construction &&
        ui->main.mode == ui_sidebar_mode::Build && 
        ui_build_selector->stage == 2;
}

static inline bool in_placement_stage()
{
    return Gui::dwarfmode_hotkey(Core::getTopViewscreen()) && 
        ui->main.mode == ui_sidebar_mode::Build &&
        ui_build_selector &&
        ui_build_selector->building_type == df::building_type::Construction &&
        ui_build_selector->stage == 1;
}

static inline bool in_type_choice_stage()
{
    return Gui::dwarfmode_hotkey(Core::getTopViewscreen()) && 
        ui->main.mode == ui_sidebar_mode::Build &&
        ui_build_selector &&
        ui_build_selector->building_type < 0;
}

static inline vector<MaterialDescriptor> &get_curr_constr_prefs()
{
    if (preferred_materials.find(ui_build_selector->building_subtype) == preferred_materials.end())
        preferred_materials[ui_build_selector->building_subtype] = vector<MaterialDescriptor>();

    return preferred_materials[ui_build_selector->building_subtype];
}

static inline MaterialDescriptor &get_last_used_material()
{
    if (last_used_material.find(ui_build_selector->building_subtype) == last_used_material.end())
        last_used_material[ui_build_selector->building_subtype] = MaterialDescriptor();

    return last_used_material[ui_build_selector->building_subtype];
}

static void set_last_used_material(const MaterialDescriptor &matetial)
{
    last_used_material[ui_build_selector->building_subtype] = matetial;
}

static MaterialDescriptor &get_last_moved_material()
{
    if (last_moved_material.find(ui_build_selector->building_subtype) == last_moved_material.end())
        last_moved_material[ui_build_selector->building_subtype] = MaterialDescriptor();

    return last_moved_material[ui_build_selector->building_subtype];
}

static void set_last_moved_material(const MaterialDescriptor &matetial)
{
    last_moved_material[ui_build_selector->building_subtype] = matetial;
}

static MaterialDescriptor get_material_in_list(size_t i)
{
    MaterialDescriptor result;
    result.valid = false;

    if (VIRTUAL_CAST_VAR(gen, df::build_req_choice_genst, ui_build_selector->choices[i]))
    {
        result.item_type = gen->item_type;
        result.item_subtype = gen->item_subtype;
        result.type = gen->mat_type;
        result.index = gen->mat_index;
        result.valid = true;
    }
    else if (VIRTUAL_CAST_VAR(spec, df::build_req_choice_specst, ui_build_selector->choices[i]))
    {
        result.item_type = gen->item_type;
        result.item_subtype = gen->item_subtype;
        result.type = spec->candidate->getActualMaterial();
        result.index = spec->candidate->getActualMaterialIndex();
        result.valid = true;
    }

    return result;
}

static bool is_material_in_autoselect(size_t &i, MaterialDescriptor &material)
{
    for (i = 0; i < get_curr_constr_prefs().size(); i++)
    {
        if (get_curr_constr_prefs()[i].matches(material))
            return true;
    }

    return false;
}

static bool is_material_in_list(size_t &i, MaterialDescriptor &material)
{
    const size_t size = ui_build_selector->choices.size(); //Just because material list could be very big
    for (i = 0; i < size; i++)
    {
        if (get_material_in_list(i).matches(material))
            return true;
    }

    return false;
}

static bool move_material_to_top(MaterialDescriptor &material)
{
    size_t i;
    if (is_material_in_list(i, material))
    {
        auto sel_item = ui_build_selector->choices[i];
        ui_build_selector->choices.erase(ui_build_selector->choices.begin() + i);
        ui_build_selector->choices.insert(ui_build_selector->choices.begin(), sel_item);

        ui_build_selector->sel_index = 0;
        set_last_moved_material(material);
        return true;
    }

    set_last_moved_material(MaterialDescriptor());
    return false;
}

static bool check_autoselect(MaterialDescriptor &material, bool toggle)
{
    size_t idx;
    if (is_material_in_autoselect(idx, material))
    {
        if (toggle) 
            vector_erase_at(get_curr_constr_prefs(), idx);

        return true;
    }
    else
    {
        if (toggle)
            get_curr_constr_prefs().push_back(material);

        return false;
    }
}

struct jobutils_hook : public df::viewscreen_dwarfmodest
{
    typedef df::viewscreen_dwarfmodest interpose_base;

    bool choose_materials()
    {
        size_t size = ui_build_selector->choices.size();
        for (size_t i = 0; i < size; i++)
        {
            MaterialDescriptor material = get_material_in_list(i);
            size_t j;
            if (is_material_in_autoselect(j, material))
            {
                ui_build_selector->sel_index = i;
                std::set< df::interface_key > keys;
                keys.insert(df::interface_key::SELECT_ALL);
                this->feed(&keys);
                if (!in_material_choice_stage())
                    return true;
            }
        }

        return false;
    }

    DEFINE_VMETHOD_INTERPOSE(void, feed, (set<df::interface_key> *input))
    {
        if (in_material_choice_stage())
        {
            MaterialDescriptor material = get_material_in_list(ui_build_selector->sel_index);
            if (material.valid)
            {
                if (input->count(interface_key::SELECT) || input->count(interface_key::SEC_SELECT))
                {
                    if (get_last_moved_material().matches(material))
                        last_used_moved = false;

                    set_last_used_material(material);
                }
                else if (input->count(interface_key::CUSTOM_A))
                {
                    check_autoselect(material, true);
                    input->clear();
                }
            }
        }
        else if (in_placement_stage())
        {
            if (input->count(interface_key::CUSTOM_A))
            {
                auto_choose_materials = !auto_choose_materials;
            }
            else if (input->count(interface_key::CUSTOM_T))
            {
                revert_to_last_used_type = !revert_to_last_used_type;
            }
        }

        int16_t last_used_constr_subtype = (in_material_choice_stage()) ?  ui_build_selector->building_subtype : -1;
        INTERPOSE_NEXT(feed)(input);

        if (revert_to_last_used_type && 
            last_used_constr_subtype >= 0 && 
            !in_material_choice_stage() &&
            hotkeys.find(last_used_constr_subtype) != hotkeys.end())
        {
            interface_key_set keys;
            keys.insert(hotkeys[last_used_constr_subtype]);
            INTERPOSE_NEXT(feed)(&keys);
        }
    }

    DEFINE_VMETHOD_INTERPOSE(void, render, ())
    {
        if (in_material_choice_stage())
        {
            if (!last_used_moved)
            {
                if (auto_choose_materials && get_curr_constr_prefs().size() > 0)
                {
                    last_used_moved = true;
                    if (choose_materials())
                    {
                        return;
                    }
                }
                else if (ui_build_selector->is_grouped)
                {
                    last_used_moved = true;
                    move_material_to_top(get_last_used_material());
                }
            }
            else if (!ui_build_selector->is_grouped)
            {
                last_used_moved = false;
            }
        }
        else
        {
            last_used_moved = false;
        }

        INTERPOSE_NEXT(render)();

        if (in_material_choice_stage())
        {
            MaterialDescriptor material = get_material_in_list(ui_build_selector->sel_index);
            if (material.valid)
            {
                string title = "Disabled";
                if (check_autoselect(material, false))
                {
                    title = "Enabled";
                }

                auto dims = Gui::getDwarfmodeViewDims();
                Screen::Painter dc(dims.menu());

                dc.seek(1,24).key_pen(COLOR_LIGHTRED).pen(COLOR_WHITE);
                dc.key(interface_key::CUSTOM_A).string(": Autoselect "+title);
            }
        }
        else if (in_placement_stage() && ui_build_selector->building_subtype < construction_type::TrackN)
        {
            string autoselect_toggle = (auto_choose_materials) ? "Disable" : "Enable";
            string revert_toggle = (revert_to_last_used_type) ? "Disable" : "Enable";

            auto dims = Gui::getDwarfmodeViewDims();
            Screen::Painter dc(dims.menu());

            dc.seek(1,23).key_pen(COLOR_LIGHTRED).pen(COLOR_WHITE);
            dc.key(interface_key::CUSTOM_A).string(": "+autoselect_toggle+" Auto Mat-Select").newline(1);
            dc.key(interface_key::CUSTOM_T).string(": "+revert_toggle+" Auto Type-Select");
        }
    }
};

IMPLEMENT_VMETHOD_INTERPOSE(jobutils_hook, feed);
IMPLEMENT_VMETHOD_INTERPOSE(jobutils_hook, render);

DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
{
    if (!gps || !ui_build_selector ||
        !INTERPOSE_HOOK(jobutils_hook, feed).apply() ||
        !INTERPOSE_HOOK(jobutils_hook, render).apply())
        out.printerr("Could not insert jobutils hooks!\n");

    hotkeys[construction_type::Wall] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_WALL;
    hotkeys[construction_type::Floor] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_FLOOR;
    hotkeys[construction_type::Ramp] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_RAMP;
    hotkeys[construction_type::UpStair] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_STAIR_UP;
    hotkeys[construction_type::DownStair] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_STAIR_DOWN;
    hotkeys[construction_type::UpDownStair] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_STAIR_UPDOWN;
    hotkeys[construction_type::Fortification] = df::interface_key::HOTKEY_BUILDING_CONSTRUCTION_FORTIFICATION;
    //Ignore tracks, DF already returns to track menu

    return CR_OK;
}