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104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
#include "start_screen.h"
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#include <vector>
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#include <string>
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using std::vector;
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using std::string;
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StartScreen::StartScreen(std::map<std::string, ALLEGRO_BITMAP*> _sprites) {
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vector<string> menu_options;
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menu_options.push_back("Start"); //Start game
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menu_options.push_back("Quit"); //Quit game
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menu.activate(menu_options);
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sprites = _sprites;
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}
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void StartScreen::reset() {
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}
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//Run screen
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void StartScreen::run(ALLEGRO_FONT * font) {
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ALLEGRO_EVENT_QUEUE* event_queue = NULL;
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event_queue = al_create_event_queue();
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al_register_event_source(event_queue, al_get_keyboard_event_source());
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redraw(font);
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menu.draw(300.0, 400.0, 20.0, font);
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al_flip_display();
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bool ctrl = false;
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bool exit_screen = false;
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while (!exit_screen) {
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ALLEGRO_EVENT ev;
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al_wait_for_event(event_queue, &ev);
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if (ev.type == ALLEGRO_EVENT_KEY_DOWN) {
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switch (ev.keyboard.keycode) {
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case ALLEGRO_KEY_W:
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case ALLEGRO_KEY_UP:
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//Move cursor up
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menu.up();
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break;
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case ALLEGRO_KEY_S:
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case ALLEGRO_KEY_DOWN:
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//Move cursor down
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menu.down();
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break;
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case ALLEGRO_KEY_SPACE:
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//Select item
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cont();
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exit_screen = true;
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break;
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case ALLEGRO_KEY_ESCAPE:
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//Force quit game
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back();
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exit_screen = true;
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break;
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}
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redraw(font);
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al_flip_display();
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}
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}
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//Garbage collection
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al_destroy_event_queue(event_queue);
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}
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void StartScreen::redraw(ALLEGRO_FONT* font) {
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//Logo
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al_draw_bitmap(sprites["Title"], SCREEN_W / 2 - 240, 20, NULL);
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//Instructions
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 2, SCREEN_H / 3, ALLEGRO_ALIGN_CENTER, "Journey to the end of space");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 2, SCREEN_H / 3 + 10, ALLEGRO_ALIGN_CENTER, "and kill the red ships!");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 2, SCREEN_H / 3 + 20, ALLEGRO_ALIGN_CENTER, "Red is a bad colour that must be eradicated.");
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//Keys and their associated functions
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 12, SCREEN_H / 1.5 - 10, ALLEGRO_ALIGN_LEFT, "WASD or Arrows - Move ship");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 12, SCREEN_H / 1.3 - 20, ALLEGRO_ALIGN_LEFT, "Spacebar - Shoot, select menu item");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 12, SCREEN_H / 2 + 150, ALLEGRO_ALIGN_LEFT, "Esc - Exit Game");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 2 + 113, SCREEN_H / 1.5 - 10, ALLEGRO_ALIGN_LEFT, "Ctrl + H - Open help menu");
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al_draw_text(font, al_map_rgb(255, 255, 255), SCREEN_W / 2 + 113, SCREEN_H / 1.3 - 20, ALLEGRO_ALIGN_LEFT, "Ctrl + M - Toggle Music");
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al_draw_text(font, al_map_rgb(255, 255, 255), 0, SCREEN_H - 10, ALLEGRO_ALIGN_LEFT, "Copyright 2019 Braydon Kains");
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}
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void StartScreen::back() {
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next_state = Exit;
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}
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void StartScreen::cont() {
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if (menu.get_selected() == "Start") {
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next_state = Gameplay;
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}
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else {
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next_state = Exit;
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}
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} |