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Diffstat (limited to 'src/graphcoloring/levelselect.cpp')
| -rw-r--r-- | src/graphcoloring/levelselect.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/graphcoloring/levelselect.cpp b/src/graphcoloring/levelselect.cpp new file mode 100644 index 0000000..02107e8 --- /dev/null +++ b/src/graphcoloring/levelselect.cpp @@ -0,0 +1,167 @@ +//////////////////////////////////////////////////////////////////////////////// +// Copyright (C) 2018 Leo Tenenbaum +// This file is part of GraphColoring. +// +// GraphColoring 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 3 of the License, or +// (at your option) any later version. +// +// GraphColoring is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with GraphColoring. If not, see <https://www.gnu.org/licenses/>. +//////////////////////////////////////////////////////////////////////////////// + +#include "levelselect.hpp" + +#include "utils/errors.hpp" +#include "graphcoloring.hpp" + +namespace graphcoloring { + +const char* const LevelSelect::LEVEL_LISTING_PATH = "saves/level-list.xml"; + +LevelSelect::LevelSelect(gui::Window* window_, + level_click_callback_t level_click_callback_) + : window(window_), level_click_callback(level_click_callback_) +{ + ReadCategories(); + window->SetRenderCallback([this](gui::Window*){Render();}); + window->SetScrollCallback([this](gui::Window*, GdkScrollDirection d) { + if (d == GDK_SCROLL_UP) + Scroll(-1); + else if (d == GDK_SCROLL_DOWN) + Scroll(+1); + }); + MakeLevelButtons(); +} + +void LevelSelect::Scroll(int direction) +{ + int circle_radius = + gui::Size(0,0,LEVEL_CIRCLE_RADIUS,0,&min_dimension_both).X(); + lowest_y = 0; + for (auto& button : buttons) + if (button->GetY() > lowest_y) + lowest_y = button->GetY(); + if (direction == 1 + && lowest_y < window->GetHeight()-10-2*circle_radius) + return; + scroll_position.y -= direction * 10; + if (scroll_position.y > 0) + scroll_position.y = 0; +} + +pugi::xml_object_range<pugi::xml_named_node_iterator> + LevelSelect::GetCategories() +{ + return category_listing.child("category-listing").children("category"); +} + +void LevelSelect::ButtonClicked(std::string category_id, std::string level_id) +{ + level_click_callback(category_id, level_id); +} + +void LevelSelect::MakeLevelButtons() +{ + double y = LEVEL_CIRCLE_PADDING; + total_points = 0; + for (pugi::xml_node category : GetCategories()) + { + std::string category_id(category.attribute("id").value()); + gui::Color color + = gui::colors::FromAttribute(category.attribute("color")); + + categories_y_positions[category_id] = y; // Keep track of y position to write text to + y += TEXT_SIZE + LEVEL_CIRCLE_PADDING; // Move past text + double x_spacing = // This formula determines the amount of space between each button + (1-LEVELS_PER_ROW*2*LEVEL_CIRCLE_RADIUS) / (LEVELS_PER_ROW+1) + + 2*LEVEL_CIRCLE_RADIUS; + double x = x_spacing - 2*LEVEL_CIRCLE_RADIUS; + + int i = 1; // Index of level + for (pugi::xml_node level : category.children("level")) + { + std::string level_id(level.attribute("id").value()); + total_points += level.attribute("points").as_int(0); + + if (x > 1.01-x_spacing) // Move down + { + x = x_spacing - 2*LEVEL_CIRCLE_RADIUS; + y += 2 * LEVEL_CIRCLE_RADIUS + LEVEL_CIRCLE_PADDING; + } + bool completed = !level.attribute("completed").empty(); + auto button = std::make_unique<gui::Button>(window, + std::to_string(i), + gui::Position(0,0,x,y,&min_dimension_y,&scroll_position), + gui::Size(0,0,LEVEL_CIRCLE_RADIUS,0,&min_dimension_both), + completed ? gui::colors::Shade(color, COMPLETED_SHADE) : color, + gui::Alignment::LEFT, + gui::Alignment::TOP, gui::Button::Shape::CIRCLE); + + button->SetCommand([category_id, level_id, this]() { + ButtonClicked(category_id, level_id); + }); + + buttons.push_back(std::move(button)); + x += x_spacing; + + i++; + } + y += 2 * LEVEL_CIRCLE_RADIUS + LEVEL_CIRCLE_PADDING; + } +} + +void LevelSelect::ReadCategories() +{ + if (!category_listing.load_file(LEVEL_LISTING_PATH)) + utils::errors::Die("Failed to load category listing file."); +} + +void LevelSelect::Render() +{ + // Update coordinates + int m = std::min(window->GetWidth(), window->GetHeight()); + min_dimension_both.SetPos(m,m); + min_dimension_y.SetPos(window->GetWidth(),m); + + window->SetDrawColor(GraphColoring::BACKGROUND_COLOR); + window->Clear(); + + // Draw Buttons + for (std::unique_ptr<gui::Button>& button : buttons) + button->Render(); + + RenderCategoryLabels(); + window->SetDrawColor(0xDDDDDDFF); + window->DrawText(std::string("Points: ") + std::to_string(total_points), + gui::Position(window->GetWidth()-10, 10), + gui::Alignment::RIGHT, gui::Alignment::TOP); + + +} + +void LevelSelect::RenderCategoryLabels() +{ + window->SetTextSize(TEXT_SIZE*min_dimension_both.X()); + for (pugi::xml_node category : GetCategories()) + { + std::string id(category.attribute("id").value()); + std::string category_name = category.attribute("name").value(); + gui::Color color + = gui::colors::FromAttribute(category.attribute("color")); + window->SetDrawColor(color); + double y_pos = categories_y_positions[id]; + window->DrawText(category_name, + gui::Position(0,0, LEVEL_CIRCLE_PADDING,y_pos,&min_dimension_both, + &scroll_position), + gui::Alignment::LEFT, gui::Alignment::TOP); + } +} + +} // namespace graphcoloring |