gameentity source code

1 module gameentity;
2 
3 import nudsfml.graphics;
4 
5 import std.stdio;
6 
7 import gamemap;
8 
9 class Entity {
10     Vector2f position;
11     Vector2i mapLocation;
12     int id;
13     bool destroy=false;
14 
15     this(){} 
16     void update(float dt){}
17     void draw(RenderTarget target){}
18 }
19 
20 
21 class SnakeEntity : Entity {
22     int partsID;
23     int parentID;
24     int childID;
25 
26     RectangleShape shape;
27 
28     Texture texture;
29 
30     this (Texture t){
31         texture=t;
32         shape = new RectangleShape();
33         shape.size(Vector2f(32,48));
34         shape.fillColor(Color.White);
35         shape.setTexture(texture);
36         shape.textureRect = IntRect(6*32,2*48,32,48);
37     }
38 
39     override void update(float dt){
40         if(destroy){
41             return;
42         }
43     }
44 
45     override void draw(RenderTarget target){
46         position = Vector2f(mapLocation.x * 32, mapLocation.y * 32);
47         shape.position = position;
48         target.draw(shape);   
49     }
50 }
51 
52 
53 class AppleEntity : Entity {
54     Vector2f offset = Vector2f(0, -8);
55 
56     float floatTime = 0;
57     float floatTimeMultiplyer = 1.0;
58 
59     Texture texture;
60     RectangleShape shape;
61     RectangleShape shadow;
62 
63     this(Texture t) {
64         texture = t;
65         shape = new RectangleShape();
66         shape.setTexture(t);
67         //TODO!!! - load tile texture position and size from file 
68         shape.size(Vector2f(32, 48));
69         shape.textureRect = IntRect(32 * 4, 48*2, 32, 48);
70         shape.fillColor = Color.White;
71 
72         shadow = new RectangleShape();
73         shadow.setTexture(t);
74         //TODO!!! - load tile texture position and size from file 
75         shadow.size(Vector2f(32, 48));
76         shadow.textureRect = IntRect(32 * 5, 48*2, 32, 48);
77         shadow.fillColor = Color.White;
78 
79         super();
80     }
81 
82     override void update(float deltaTime){
83         
84         floatTime += deltaTime * floatTimeMultiplyer;
85         //writeln("deltaTime: ", deltaTime ," floatTime: ", floatTime, " multiplier: ", floatTimeMultiplyer);
86         if(floatTime > .75 ){
87             floatTime = .75;
88             floatTimeMultiplyer = -floatTimeMultiplyer;
89         }
90         if(floatTime < 0 ){
91             floatTime = 0.0;
92             floatTimeMultiplyer = -floatTimeMultiplyer;
93         }
94 
95         super.update(deltaTime);
96     }
97 
98     override void draw(RenderTarget target){
99         shadow.position = position;
100         target.draw(shadow);
101         
102         shape.position = position + offset * (floatTime/0.75);
103         target.draw(shape);
104 
105         super.draw(target);
106     }
107 }