git.mutantstargoat.com Git - ld42_outofspace/blob - src/menuscr.cc

   1 #include <stdio.h>
   2 #include "game.h"
   3 #include "screen.h"
   4 #include "opengl.h"
   5 #include "goatkit/goatkit.h"
   6
   7 enum {
   8         BN_START,
   9         BN_EXIT
  10 };
  11
  12 static void bn_handler(goatkit::Widget *w, const goatkit::Event &ev, void *cls);
  13
  14 extern GameScreen *scr_game;
  15
  16 static int virt_width = 800;
  17 static int virt_height = 600;
  18 static goatkit::Screen ui;
  19 static goatkit::Button *bn_start, *bn_exit;
  20 static bool start_pending, exit_pending;
  21 static bool stopped;
  22
  23 bool MenuScreen::init()
  24 {
  25         ui.hide();
  26
  27         int bnwidth = 200;
  28         int bnheight = 40;
  29
  30         int xpos = (virt_width - bnwidth) / 2;
  31         int ypos = 100;
  32         int vsep = 80;
  33
  34         bn_start = new goatkit::Button;
  35         bn_start->set_position(xpos, ypos += vsep);
  36         bn_start->set_size(bnwidth, bnheight);
  37         bn_start->set_text("Don't Panic!");
  38         bn_start->set_callback(goatkit::EV_CLICK, bn_handler, (void*)BN_START);
  39         ui.add_widget(bn_start);
  40
  41         bn_exit = new goatkit::Button;
  42         bn_exit->set_position(xpos, ypos += vsep);
  43         bn_exit->set_size(bnwidth, bnheight);
  44         bn_exit->set_text("Panic");
  45         bn_exit->set_callback(goatkit::EV_CLICK, bn_handler, (void*)BN_EXIT);
  46         ui.add_widget(bn_exit);
  47
  48         ui.set_visibility_transition(300);
  49
  50         if(!(goatkit::theme = goatkit::get_theme("simple"))) {
  51                 return false;
  52         }
  53
  54         return true;
  55 }
  56
  57 void MenuScreen::destroy()
  58 {
  59 }
  60
  61
  62 void MenuScreen::start()
  63 {
  64         ui.show();
  65         stopped = false;
  66 }
  67
  68 void MenuScreen::stop()
  69 {
  70         ui.hide();
  71         stopped = true;
  72 }
  73
  74 void MenuScreen::draw()
  75 {
  76         if(ui.get_visibility() == 0.0f) {
  77                 if(start_pending) {
  78                         start_pending = false;
  79                         push_screen(scr_game);
  80                         stop();
  81                         return;
  82                 }
  83                 if(exit_pending) {
  84                         exit_pending = false;
  85                         game_quit();
  86                         return;
  87                 }
  88         }
  89
  90         if(stopped) {
  91                 start();
  92         }
  93
  94         glClearColor(0, 0, 0, 1);
  95         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  96
  97         glMatrixMode(GL_PROJECTION);
  98         glLoadIdentity();
  99         glOrtho(0, virt_width, virt_height, 0, -1, 1);
 100
 101         glMatrixMode(GL_MODELVIEW);
 102         glLoadIdentity();
 103
 104         ui.draw();
 105
 106 }
 107
 108 void MenuScreen::reshape(int x, int y)
 109 {
 110         ui.set_size(virt_width, virt_height);
 111 }
 112
 113
 114 void MenuScreen::keyboard(int key, bool pressed)
 115 {
 116         if(pressed) {
 117                 switch(key) {
 118                 case KEY_ESC:
 119                         exit_pending = true;
 120                         ui.hide();
 121                         return;
 122
 123                 default:
 124                         break;
 125                 }
 126         }
 127
 128         ui.sysev_keyboard(key, pressed);
 129 }
 130
 131 void MenuScreen::mbutton(int bn, bool pressed, int x, int y)
 132 {
 133         x = x * virt_width / win_width;
 134         y = y * virt_height / win_height;
 135         ui.sysev_mouse_button(bn, pressed, x, y);
 136 }
 137
 138 void MenuScreen::mmotion(int x, int y)
 139 {
 140         x = x * virt_width / win_width;
 141         y = y * virt_height / win_height;
 142         ui.sysev_mouse_motion(x, y);
 143 }
 144
 145 static void bn_handler(goatkit::Widget *w, const goatkit::Event &ev, void *cls)
 146 {
 147         if(w == bn_start) {
 148                 start_pending = true;
 149                 ui.hide();
 150         } else if(w == bn_exit) {
 151                 exit_pending = true;
 152                 ui.hide();
 153         }
 154 }