Atlas - ExampleXYZ.java
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1package com.github._0x4248.nova_examples;
2
3import com.github._0x4248.nova.Machine.core.Keyboard;
4import com.github._0x4248.nova.Machine.core.Machine;
5import com.github._0x4248.nova.Machine.core.MachineProgram;
6import com.github._0x4248.nova.Machine.core.Video;
7import com.github._0x4248.nova.Machine.gpu.GPU;
8
9import java.awt.event.KeyEvent;
10
11public class ExampleXYZ implements MachineProgram {
12
13    public static void main(String[] args) {
14        new ExampleXYZ().run(Machine.basic(), args);
15    }
16
17    @Override
18    public void run(Machine machine, String[] args) {
19        GPU gpu = machine.video().gpu;
20        Keyboard keyboard = machine.keyboard();
21
22        gpu.init(Video.Modes.CGA_TEXT_40x25);
23        gpu.clear(0);
24        gpu.drawText(8, 8, "NOVA TEXT MODE", 15, 0, false);
25        gpu.drawText(8, 20, "Press ENTER for VGA graphics", 14, 0, false);
26        gpu.drawText(8, 32, "ESC exits", 10, 0, false);
27        gpu.present();
28
29        while (true) {
30            Integer keyCode = keyboard.pollKeyCode();
31            if (keyCode == null) {
32                sleep(10);
33                continue;
34            }
35            if (keyCode == KeyEvent.VK_ESCAPE) {
36                break;
37            }
38            if (keyCode == KeyEvent.VK_ENTER) {
39                break;
40            }
41        }
42
43        gpu.init(Video.Modes.VGA_GRAPHICS_640x480_16);
44        gpu.clear(1);
45        gpu.drawText(8, 8, "VGA VIDEO MODE", 15, 1, false);
46
47        for (int x = 0; x < gpu.getWidth(); x++) {
48            int y = (int) (gpu.getHeight() * 0.5 + Math.sin(x / 20.0) * 50);
49            gpu.setPixel(x, y, 14);
50        }
51        gpu.present();
52
53        while (true) {
54            Integer keyCode = keyboard.pollKeyCode();
55            if (keyCode != null && keyCode == KeyEvent.VK_ESCAPE) {
56                break;
57            }
58            sleep(10);
59        }
60
61        gpu.shutdown();
62    }
63
64    private void sleep(long millis) {
65        try {
66            Thread.sleep(millis);
67        } catch (InterruptedException e) {
68            Thread.currentThread().interrupt();
69        }
70    }
71}
72
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