// SuperTux
-// Copyright (C) 2009 Ingo Ruhnke <grumbel@gmx.de>
+// Copyright (C) 2009 Ingo Ruhnke <grumbel@gmail.com>
//
// 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
#include "gui/menu_manager.hpp"
-#include "control/joystickkeyboardcontroller.hpp"
+#include <assert.h>
+
+#include "control/input_manager.hpp"
+#include "gui/dialog.hpp"
#include "gui/menu.hpp"
+#include "gui/mousecursor.hpp"
+#include "math/sizef.hpp"
#include "supertux/globals.hpp"
+#include "supertux/menu/menu_storage.hpp"
#include "supertux/timer.hpp"
+#include "util/gettext.hpp"
+#include "util/log.hpp"
+#include "video/drawing_context.hpp"
+
+MenuManager* MenuManager::s_instance = 0;
+
+MenuManager&
+MenuManager::instance()
+{
+ assert(s_instance);
+ return *s_instance;
+}
+
+namespace {
+
+Rectf menu2rect(const Menu& menu)
+{
+ return Rectf(menu.get_center_pos().x - menu.get_width() / 2,
+ menu.get_center_pos().y - menu.get_height() / 2,
+ menu.get_center_pos().x + menu.get_width() / 2,
+ menu.get_center_pos().y + menu.get_height() / 2);
+}
+
+} // namespace
+
+class MenuTransition
+{
+private:
+ Rectf m_from_rect;
+ Rectf m_to_rect;
+
+ float m_effect_progress;
+ float m_effect_start_time;
+ bool m_is_active;
+
+public:
+ MenuTransition() :
+ m_from_rect(),
+ m_to_rect(),
+ m_effect_progress(1.0f),
+ m_effect_start_time(),
+ m_is_active(false)
+ {
+ }
+
+ void start(const Rectf& from_rect,
+ const Rectf& to_rect)
+ {
+ m_from_rect = from_rect;
+ m_to_rect = to_rect;
+
+ m_effect_start_time = real_time;
+ m_effect_progress = 0.0f;
+
+ m_is_active = true;
+ }
+
+ void set(const Rectf& rect)
+ {
+ m_to_rect = m_from_rect = rect;
+ }
+
+ void update()
+ {
+ if (m_is_active)
+ {
+ m_effect_progress = (real_time - m_effect_start_time) * 6.0f;
+
+ if (m_effect_progress > 1.0f)
+ {
+ m_effect_progress = 1.0f;
+ m_is_active = false;
+ }
+ }
+ }
-std::vector<Menu*> MenuManager::last_menus;
-std::list<Menu*> MenuManager::all_menus;
-Menu* MenuManager::current_ = 0;
-Menu* MenuManager::previous = 0;
+ void draw(DrawingContext& context)
+ {
+ float p = m_effect_progress;
+
+ Rectf rect = m_to_rect;
+ if (m_is_active)
+ {
+ rect.p1.x = (m_to_rect.p1.x * p) + (m_from_rect.p1.x * (1.0f - p));
+ rect.p1.y = (m_to_rect.p1.y * p) + (m_from_rect.p1.y * (1.0f - p));
+ rect.p2.x = (m_to_rect.p2.x * p) + (m_from_rect.p2.x * (1.0f - p));
+ rect.p2.y = (m_to_rect.p2.y * p) + (m_from_rect.p2.y * (1.0f - p));
+ }
+
+ // draw menu background rectangles
+ context.draw_filled_rect(Rectf(rect.p1.x - 4, rect.p1.y - 10-4,
+ rect.p2.x + 4, rect.p2.y + 10 + 4),
+ Color(0.2f, 0.3f, 0.4f, 0.8f),
+ 20.0f,
+ LAYER_GUI-10);
+
+ context.draw_filled_rect(Rectf(rect.p1.x, rect.p1.y - 10,
+ rect.p2.x, rect.p2.y + 10),
+ Color(0.6f, 0.7f, 0.8f, 0.5f),
+ 16.0f,
+ LAYER_GUI-10);
+ }
+
+ bool is_active()
+ {
+ return m_is_active;
+ }
+};
+
+MenuManager::MenuManager() :
+ m_dialog(),
+ m_has_next_dialog(false),
+ m_next_dialog(),
+ m_menu_stack(),
+ m_transition(new MenuTransition)
+{
+ s_instance = this;
+}
+
+MenuManager::~MenuManager()
+{
+ s_instance = nullptr;
+}
void
-MenuManager::push_current(Menu* pmenu)
+MenuManager::refresh()
{
- previous = current_;
+ for(auto i = m_menu_stack.begin(); i != m_menu_stack.end(); ++i)
+ {
+ (*i)->refresh();
+ }
+}
- if (current_)
- last_menus.push_back(current_);
+void
+MenuManager::process_input()
+{
+ if (m_dialog)
+ {
+ m_dialog->process_input(*InputManager::current()->get_controller());
+ }
+ else if (current_menu())
+ {
+ current_menu()->process_input();
+ }
+}
- current_ = pmenu;
- current_->effect_start_time = real_time;
- current_->effect_progress = 0.0f;
+void
+MenuManager::event(const SDL_Event& ev)
+{
+ if (!m_transition->is_active())
+ {
+ if (m_dialog)
+ {
+ m_dialog->event(ev);
+ }
+ else if (current_menu())
+ {
+ // only pass events when the menu is fully visible and not in a
+ // transition animation
+ current_menu()->event(ev);
+ }
+ }
}
void
-MenuManager::pop_current()
+MenuManager::draw(DrawingContext& context)
{
- previous = current_;
+ if (m_has_next_dialog)
+ {
+ m_dialog = std::move(m_next_dialog);
+ m_has_next_dialog = false;
+ }
+
+ if (m_transition->is_active())
+ {
+ m_transition->update();
+ m_transition->draw(context);
+ }
+ else
+ {
+ if (m_dialog)
+ {
+ m_dialog->update();
+ m_dialog->draw(context);
+ }
+ else if (current_menu())
+ {
+ // brute force the transition into the right shape in case the
+ // menu has changed sizes
+ m_transition->set(menu2rect(*current_menu()));
+ m_transition->draw(context);
+
+ current_menu()->draw(context);
+ }
+ }
- if (last_menus.size() >= 1) {
- current_ = last_menus.back();
- current_->effect_start_time = real_time;
- current_->effect_progress = 0.0f;
- last_menus.pop_back();
- } else {
- set_current(NULL);
+ if (current_menu() && MouseCursor::current())
+ {
+ MouseCursor::current()->draw(context);
}
}
void
-MenuManager::set_current(Menu* menu)
+MenuManager::set_dialog(std::unique_ptr<Dialog> dialog)
{
- if (current_ && current_->close == true)
- return;
+ // delay reseting m_dialog to a later point, as otherwise the Dialog
+ // can't unset itself without ending up with "delete this" problems
+ m_next_dialog = std::move(dialog);
+ m_has_next_dialog = true;
+}
+
+void
+MenuManager::push_menu(int id)
+{
+ push_menu(MenuStorage::instance().create(static_cast<MenuStorage::MenuId>(id)));
+}
+
+void
+MenuManager::set_menu(int id)
+{
+ set_menu(MenuStorage::instance().create(static_cast<MenuStorage::MenuId>(id)));
+}
+
+void
+MenuManager::push_menu(std::unique_ptr<Menu> menu)
+{
+ assert(menu);
+ transition(m_menu_stack.empty() ? nullptr : m_menu_stack.back().get(),
+ menu.get());
+ m_menu_stack.push_back(std::move(menu));
+}
+
+void
+MenuManager::pop_menu()
+{
+ if (m_menu_stack.empty())
+ {
+ log_warning << "trying to pop on an empty menu_stack" << std::endl;
+ }
+ else
+ {
+ transition(m_menu_stack.back().get(),
+ (m_menu_stack.size() >= 2)
+ ? m_menu_stack[m_menu_stack.size() - 2].get()
+ : nullptr);
- previous = current_;
+ m_menu_stack.pop_back();
+ }
+}
- if (menu) {
- menu->effect_start_time = real_time;
- menu->effect_progress = 0.0f;
- current_ = menu;
+void
+MenuManager::set_menu(std::unique_ptr<Menu> menu)
+{
+ if (menu)
+ {
+ transition(m_menu_stack.empty() ? nullptr : m_menu_stack.back().get(),
+ menu.get());
+ m_menu_stack.clear();
+ m_menu_stack.push_back(std::move(menu));
}
- else if (current_) {
- last_menus.clear(); //NULL new menu pointer => close all menus
- current_->effect_start_time = real_time;
- current_->effect_progress = 0.0f;
- current_->close = true;
+ else
+ {
+ transition(m_menu_stack.empty() ? nullptr : m_menu_stack.back().get(),
+ nullptr);
+ m_menu_stack.clear();
}
// just to be sure...
- g_jk_controller->reset();
+ InputManager::current()->reset();
}
void
-MenuManager::recalc_pos()
+MenuManager::clear_menu_stack()
+{
+ transition(m_menu_stack.empty() ? nullptr : m_menu_stack.back().get(),
+ nullptr);
+ m_menu_stack.clear();
+}
+
+void
+MenuManager::on_window_resize()
+{
+ for(auto i = m_menu_stack.begin(); i != m_menu_stack.end(); ++i)
+ {
+ (*i)->on_window_resize();
+ }
+}
+
+Menu*
+MenuManager::current_menu() const
{
- if (current_)
- current_->set_pos(SCREEN_WIDTH/2, SCREEN_HEIGHT/2);
+ if (m_menu_stack.empty())
+ {
+ return nullptr;
+ }
+ else
+ {
+ return m_menu_stack.back().get();
+ }
+}
- for(std::list<Menu*>::iterator i = all_menus.begin(); i != all_menus.end(); ++i)
+void
+MenuManager::transition(Menu* from, Menu* to)
+{
+ if (!from && !to)
{
- // FIXME: This is of course not quite right, since it ignores any previous set_pos() calls
- (*i)->set_pos(SCREEN_WIDTH/2, SCREEN_HEIGHT/2);
+ return;
+ }
+ else
+ {
+ Rectf from_rect;
+ if (from)
+ {
+ from_rect = menu2rect(*from);
+ }
+ else
+ {
+ from_rect = Rectf(to->get_center_pos(), Sizef(0, 0));
+ }
+
+ Rectf to_rect;
+ if (to)
+ {
+ to_rect = menu2rect(*to);
+ }
+ else
+ {
+ to_rect = Rectf(from->get_center_pos(), Sizef(0, 0));
+ }
+
+ m_transition->start(from_rect, to_rect);
}
}