editor_toolkit.cpp

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/*
    Copyright (C) 2012 - 2022
    by Fabian Mueller <fabianmueller5@gmx.de>
    Part of the Battle for Wesnoth Project https://www.wesnoth.org/

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY.

    See the COPYING file for more details.
*/

#include "editor/toolkit/editor_toolkit.hpp"
#include "config.hpp"

#include "editor/action/mouse/mouse_action.hpp"
#include "editor/action/mouse/mouse_action_map_label.hpp"
#include "editor/action/mouse/mouse_action_unit.hpp"
#include "editor/action/mouse/mouse_action_village.hpp"
#include "editor/action/mouse/mouse_action_item.hpp"
#include "editor/action/mouse/mouse_action_select.hpp"

#include "game_config_view.hpp"
#include "sdl/input.hpp" // get_mouse_state

namespace editor {

editor_toolkit::editor_toolkit(editor_display& gui, const CKey& key,
        const game_config_view& game_config, context_manager& c_manager)
    : gui_(gui)
    , key_(key)
    , palette_manager_()
    , mouse_action_(nullptr)  // Will be set before this constructor ends.
    , mouse_actions_()
    , brush_(nullptr)
    , brushes_()
{
    init_brushes(game_config);
    init_sidebar(game_config);
    init_mouse_actions(c_manager);
}

editor_toolkit::~editor_toolkit() = default;

void editor_toolkit::init_brushes(const game_config_view& game_config)
{
    for (const config &i : game_config.child_range("brush")) {
        brushes_.emplace_back(i);
    }
    if (brushes_.empty()) {
        ERR_ED << "No brushes defined!";
        brushes_.emplace_back();
        brushes_[0].add_relative_location(0, 0);
    }
    brush_ = &brushes_[0];
}

void editor_toolkit::init_sidebar(const game_config_view& game_config)
{
    palette_manager_.reset(new palette_manager(gui_, game_config, *this));
}

void editor_toolkit::init_mouse_actions(context_manager& cmanager)
{
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_PAINT,
        std::make_shared<mouse_action_paint>(&brush_, key_, *palette_manager_->terrain_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_FILL,
        std::make_shared<mouse_action_fill>(key_, *palette_manager_->terrain_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_SELECT,
        std::make_shared<mouse_action_select>(&brush_, key_, *palette_manager_->empty_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_STARTING_POSITION,
        std::make_shared<mouse_action_starting_position>(key_, *palette_manager_->location_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_LABEL,
        std::make_shared<mouse_action_map_label>(key_, *palette_manager_->empty_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_UNIT,
        std::make_shared<mouse_action_unit>(key_, *palette_manager_->unit_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_VILLAGE,
        std::make_shared<mouse_action_village>(key_, *palette_manager_->empty_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_CLIPBOARD_PASTE,
        std::make_shared<mouse_action_paste>(cmanager.get_clipboard(), key_, *palette_manager_->empty_palette_.get()));
    mouse_actions_.emplace(hotkey::HOTKEY_EDITOR_TOOL_ITEM,
        std::make_shared<mouse_action_item>(key_, *palette_manager_->item_palette_.get()));

    for (const theme::menu& menu : gui_.get_theme().menus()) {
        if (menu.items().size() == 1) {
            hotkey::HOTKEY_COMMAND hk = hotkey::get_hotkey_command(menu.items().front()["id"]).command;
            mouse_action_map::iterator i = mouse_actions_.find(hk);
            if (i != mouse_actions_.end()) {
                i->second->set_toolbar_button(&menu);
            }
        }
    }

    mouse_action_ = (mouse_actions_.find(hotkey::HOTKEY_EDITOR_TOOL_PAINT))->second;
    set_mouseover_overlay();
}


void editor_toolkit::hotkey_set_mouse_action(hotkey::HOTKEY_COMMAND command)
{
    mouse_action_map::iterator i = mouse_actions_.find(command);
    if (i != mouse_actions_.end()) {
        palette_manager_->active_palette().hide(true);
        mouse_action_ = i->second;
        palette_manager_->adjust_size();

        set_mouseover_overlay();
        gui_.invalidate_game_status();
        palette_manager_->active_palette().hide(false);
    } else {
        ERR_ED << "Invalid hotkey command ("
            << static_cast<int>(command) << ") passed to set_mouse_action";
    }

}

bool editor_toolkit::is_mouse_action_set(hotkey::HOTKEY_COMMAND command) const
{
    mouse_action_map::const_iterator i = mouse_actions_.find(command);
    return (i != mouse_actions_.end()) && (i->second == mouse_action_);
}

common_palette& editor_toolkit::get_palette()
{
    return get_mouse_action().get_palette();
}

void editor_toolkit::update_mouse_action_highlights()
{
    DBG_ED << __func__;
    int x, y;
    sdl::get_mouse_state(&x, &y);
    map_location hex_clicked = gui_.hex_clicked_on(x,y);
    get_mouse_action().update_brush_highlights(gui_, hex_clicked);
}

void editor_toolkit::set_mouseover_overlay(editor_display& gui)
{
    get_mouse_action().set_mouse_overlay(gui);
}

void editor_toolkit::clear_mouseover_overlay()
{
    gui_.clear_mouseover_hex_overlay();
}

void editor_toolkit::set_brush(std::string id) {

    for (brush& i : brushes_) {
        if (i.id() == id) {
            brush_ = &i;
        }
    }
}

void editor_toolkit::cycle_brush()
{
    if (brush_ == &brushes_.back()) {
        brush_ = &brushes_.front();
    } else {
        ++brush_;
    }

    update_mouse_action_highlights();
}

void editor_toolkit::adjust_size()
{
    palette_manager_->adjust_size();
}


} //Namespace editor