example.game source code

1 module example.game;
2 
3 version(GAMEEXAMPLE){
4 
5 import nudsfml.graphics;
6 import nudsfml.system;
7 import nudsfml.audio;
8 import nudsfml.network;
9 
10 import std.stdio;
11 import std.format;
12 
13 import gamemap;
14 import gameentity;
15 import snake;
16 
17 class Game {
18     string dataDir;
19     bool running = true;
20 
21     RenderWindow win;
22      
23     GameMap map;
24     AppleEntity [] apples;
25     //SceneManager
26     //scriptingEngine
27     //
28 
29     Snake snake;
30     bool doMove = true;
31 
32     Font systemFont;
33     Text debugText;
34 
35     bool doDrawDebug = false;
36 
37     Clock gameTick;
38 
39     Clock elementTimer;
40 
41     this(string dataDir_ = "data/"){
42         dataDir = dataDir_;
43 
44         win = new RenderWindow(VideoMode(1024, 768), "NudSFML");
45         //win.setVerticalSyncEnabled(true); // higher accuracy but more cpu time
46         //win.setFramerateLimit(60); // 60 fps max // TODO: make this configurable
47 
48         systemFont = new Font();
49         systemFont.loadFromFile(dataDir ~ "CamingoCode-Regular.ttf");
50 
51         debugText = new Text("Test", systemFont, 16);
52         doDrawDebug = true;
53         //create initial resources
54 
55         map = new GameMap();
56         apples ~= map.addApple(5,4);
57 
58         snake = new Snake(this);
59         snake.headPosition = Vector2i(map.width / 2, map.height / 2);
60         snake.direction = Direction.Up;
61         snake.generate(3);
62 
63         gameTick = new Clock();
64         elementTimer = new Clock();
65     } 
66 
67 
68     void startup() {
69         win.setTitle("素晴らしい ！"d);
70 
71     }
72 
73     float dt, drawtime, eventTimer, updateTimer;
74 
75     void run(){
76         while(running){
77             dt = gameTick.restart().asSeconds();
78             drawtime = elementTimer.restart().asSeconds();
79             handleEvents();
80             eventTimer= elementTimer.getElapsedTime.asSeconds();
81             update(dt);
82             updateTimer = elementTimer.getElapsedTime.asSeconds();
83             draw();
84         }
85     }
86 
87     void update(float dt){
88         if(Keyboard.isKeyPressed(Keyboard.Key.Up)){
89             if(snake.canDirection(Direction.Up)){
90                 snake.direction = Direction.Up;
91             }
92         } else if(Keyboard.isKeyPressed(Keyboard.Key.Right)){
93             if(snake.canDirection(Direction.Right)){
94                 snake.direction = Direction.Right;
95             }
96         } else if(Keyboard.isKeyPressed(Keyboard.Key.Down)){
97             if(snake.canDirection(Direction.Down)){
98                 snake.direction = Direction.Down;
99             }
100         } else if(Keyboard.isKeyPressed(Keyboard.Key.Left)){
101             if(snake.canDirection(Direction.Left)){
102                 snake.direction = Direction.Left;
103             }
104         }
105         map.update(dt); 
106         snake.update(dt);
107     }
108 
109     void draw(){
110         win.clear();
111 
112         //draw stuff here 
113         map.draw(Vector2f(0,16), win);
114         
115         drawDebug();
116         win.display();
117     }
118 
119     void drawDebug(){
120         if(doDrawDebug){
121             debugText.position = Vector2f(32,32);
122             string text = format("FPS: %0.f , drawTime: %f , eventTime: %f , updateTime: %f", 1/dt, drawtime, eventTimer, updateTimer);
123             debugText.setString = text;
124             win.draw(debugText);
125         }
126     }
127 
128     void handleEvents(){
129         Event e;
130         while(win.pollEvent(e)){
131             switch(e.type){
132                 case Event.Type.Closed:
133                     running = false;
134                     break;
135                 case Event.Type.KeyPressed:
136                     switch(e.key.code) { 
137                         case Keyboard.Key.Escape:  
138                             running = false;
139                             break;
140                         case Keyboard.Key.F9:
141                             snake.addPart();
142                             break;
143                         case Keyboard.Key.F10:
144                             snake.move();
145                             break;
146                         case Keyboard.Key.F12:
147                             doDrawDebug = !doDrawDebug;
148                             break;
149                         case Keyboard.Key.P:
150                             auto screenShot = win.capture();
151                             writeln("Saved screenshot to screenShot.png");
152                             screenShot.saveToFile("screenshot.png");
153                             break;
154                         case Keyboard.Key.Space:
155                             doMove = !doMove;
156                             break;
157                         default: break;
158                     }
159                     break;
160                 default: break;
161             }
162         }
163     }
164 
165     void shutdown(){
166         //clean up resources 
167 
168     }
169 }
170 }