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#include "renderer.h"
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#include "level.h"
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#include "hero.h"
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constexpr unsigned int DEFAULT_CELL_WIDTH = 60;
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constexpr unsigned int DEFAULT_CELL_HEIGHT = 35;
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constexpr unsigned int DEFAULT_CELL_DEVIATION = 25;
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constexpr unsigned int DEFAULT_WINDOW_SIDE = DEFAULT_CELL_WIDTH * 4;
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Renderer::Renderer() :
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cell_width(DEFAULT_CELL_WIDTH),
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cell_height(DEFAULT_CELL_HEIGHT),
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cell_deviation(DEFAULT_CELL_DEVIATION),
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window_size(DEFAULT_WINDOW_SIDE),
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init_painter_x(60),
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init_painter_y(60),
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vertical_shift(0),
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horizontal_shift(0)
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{
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font.loadFromFile("font/VeraMono.ttf");
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text_charges.setFont(font);
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text_charges.setFillColor(palette::White);
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text_charges.setCharacterSize(25);
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brush_background.setFillColor(palette::Black);
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brush_background.setPosition(0.f, 0.f);
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brush_cell.setPointCount(4);
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brush_cell.setPoint(0, sf::Vector2f(cell_deviation, 0.f));
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brush_cell.setPoint(1, sf::Vector2f(cell_deviation + cell_width, 0.f));
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brush_cell.setPoint(2, sf::Vector2f(cell_width, cell_height));
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brush_cell.setPoint(3, sf::Vector2f(0.f, cell_height));
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brush_cell.setFillColor(palette::Blue);
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brush_cell.setOutlineThickness(0);
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brush_wall.setPointCount(6); // Points 0 and 4 should be calculated each iteration of rendering
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brush_wall.setPoint(1, sf::Vector2f(cell_deviation + cell_width, 0.f));
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brush_wall.setPoint(2, sf::Vector2f(cell_width, cell_height));
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brush_wall.setPoint(3, sf::Vector2f(0.f, cell_height));
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brush_wall.setPoint(5, sf::Vector2f(cell_width, cell_height));
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brush_wall.setOutlineThickness(0);
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}
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bool Renderer::drawCell(const CellPtr &cell, sf::RenderWindow &main_window)
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{
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vertical_shift = static_cast<float>(cell->heightShift());
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// If cell has any height value, we should draw walls for it
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if (vertical_shift > 0)
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{
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brush_wall.setPoint(0, sf::Vector2f(cell_deviation + cell_width, -vertical_shift));
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brush_wall.setPoint(4, sf::Vector2f(0.f, cell_height - vertical_shift));
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sf::Color wall_color(sf::Uint8(cell->color().r - 40), sf::Uint8(cell->color().g - 40), sf::Uint8(cell->color().b - 40));
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brush_wall.setFillColor(wall_color);
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brush_wall.setPosition(painter_x + horizontal_shift, painter_y);
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main_window.draw(brush_wall);
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}
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// Draw the top surface of the cell itself
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float final_x = painter_x + horizontal_shift;
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float final_y = painter_y - vertical_shift;
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brush_cell.setPosition(final_x, final_y);
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brush_cell.setFillColor(cell->color());
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main_window.draw(brush_cell);
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return true;
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}
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bool Renderer::render(const LevelPtr &level, const HeroPtr &hero, sf::RenderWindow &main_window)
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{
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if (!hero || !level)
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return false;
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painter_x = init_painter_x;
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painter_y = init_painter_y;
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horizontal_shift = 0;
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vertical_shift = 0;
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brush_background.setSize({static_cast<float>(main_window.getSize().x), static_cast<float>(main_window.getSize().y)});
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main_window.draw(brush_background);
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brush_cell.setPosition(painter_x, painter_y);
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// Where is hero
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coordinate hero_row, hero_col;
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hero->position(hero_row, hero_col);
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// Draw map from 2D array
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for (coordinate c = 0; c < level->cols(); ++c)
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{
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horizontal_shift = static_cast<float>(level->cols()) * cell_deviation;
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for (coordinate r = 0; r < level->rows(); ++r)
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{
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drawCell(level->getCellAt(r, c), main_window);
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if (hero_row == r && hero_col == c)
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{
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// Draw the hero sprite
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brush_cell.setFillColor(palette::White);
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main_window.draw(brush_cell);
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}
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// Move painter to next cell of current column
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painter_y += cell_height;
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horizontal_shift -= cell_deviation;
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}
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// Move painter to next column
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painter_y = init_painter_y;
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painter_x += cell_width;
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}
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text_charges.setPosition(50, 350);
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text_charges.setString("Available charges left: " + std::to_string(hero->charges()));
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main_window.draw(text_charges);
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return true;
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}
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unsigned int Renderer::windowSize() const
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{
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return window_size;
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}
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@ -0,0 +1,43 @@
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#ifndef RENDERER_H
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#define RENDERER_H
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#include <SFML/Graphics/RectangleShape.hpp>
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#include <SFML/Graphics/ConvexShape.hpp>
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#include <SFML/Graphics/Text.hpp>
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#include <SFML/Graphics/RenderWindow.hpp>
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#include <SFML/Window.hpp>
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class Level;
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class Cell;
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class Hero;
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/// Represents functionality to draw game level onto window
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class Renderer
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{
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private:
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float cell_width, cell_height, cell_deviation;
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unsigned int window_size;
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float init_painter_x, init_painter_y;
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float painter_x, painter_y;
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float vertical_shift, horizontal_shift;
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sf::Text text_charges;
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sf::Font font;
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sf::RectangleShape brush_background;
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sf::ConvexShape brush_cell;
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sf::ConvexShape brush_wall;
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bool drawCell(const std::unique_ptr<Cell> &cell, sf::RenderWindow &main_window);
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public:
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explicit Renderer();
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bool render(const std::unique_ptr<Level> &level, const std::unique_ptr<Hero> &hero, sf::RenderWindow &main_window);
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unsigned int windowSize() const;
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};
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#endif // RENDERER_H
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