1 package com.mygdx.game.Managers;
2
3 import com.badlogic.gdx.Application;
4 import com.badlogic.gdx.Gdx;
5 import com.badlogic.gdx.graphics.OrthographicCamera;
6 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
7 import com.mygdx.game.Components.Component;
8 import com.mygdx.game.Entitys.Building;
9
10 import java.util.ArrayList;
11
12 import static com.mygdx.utils.Constants.*;
13
14 /**
15 * Responsible for all rending. Renders in layers render item layers can't be changed
16 * holds the primary sprite batch and rendering camera
17 */
18 public final class RenderingManager {
19 private static boolean initialized = false;
20 private static ArrayList<Component> renderItems;
21 private static ArrayList<ArrayList<Integer>> layers;
22 private static OrthographicCamera camera;
23 private static SpriteBatch batch;
24
25 public static void Initialize() {
26 initialized = true;
27 renderItems = new ArrayList<>();
28
29
30 batch = new SpriteBatch();
31 // batch.enableBlending();
32 camera = new OrthographicCamera();
33 camera.viewportHeight = VIEWPORT_HEIGHT / ZOOM;
34 camera.viewportWidth = VIEWPORT_WIDTH / ZOOM;
35 camera.update();
36
37 layers = new ArrayList<>(RenderLayer.values().length);
38
39 for (int i = 0; i < RenderLayer.values().length; i++) {
40 layers.add(new ArrayList<>());
41 }
42 }
43
44 public static OrthographicCamera getCamera() {
45 return camera;
46 }
47
48
49 public static void setCamera(OrthographicCamera cam) {
50 camera = cam;
51 }
52
53 /**
54 * adds item to the list of renderable and adds to the correct layer
55 *
56 * @param item component that utilises render
57 * @param layer the layer that it will be rendered in
58 */
59 public static void addItem(Component item, RenderLayer layer) {
60 if(Application.ApplicationType.HeadlessDesktop == Gdx.app.getType()){
61 return;
62 }
63 tryInit();
64 renderItems.add(item);
65 layers.get(layer.ordinal()).add(renderItems.size() - 1);
66 }
67
68 private static void tryInit() {
69
70 if (!initialized) {
71 Initialize();
72 }
73 }
74
75 /**
76 * Renders all items in accordance with their layers on one sprite batch
77 */
78 public static void render() {
79 tryInit();
80
81 batch.setProjectionMatrix(camera.combined);
82 batch.begin();
83
84 for (ArrayList<Integer> layer : layers) {
85 for (Integer itemIndex : layer) {
86 Component item = renderItems.get(itemIndex);
87 if (item.getParent() instanceof Building) {
88 int i = 0;
89 }
90 item.render();
91 }
92 }
93
94 /*for(int i = 0; i < renderItems.size(); i++){
95 //renderItems.get(renderItems.size() - (1 + i)).render();
96 renderItems.get(i).render();
97 }*/
98
99 batch.end();
100 }
101
102 public static void cleanUp() {
103 batch.dispose();
104 }
105
106 public static SpriteBatch getBatch() {
107 return batch;
108 }
109 }