core/src/ru/deadsoftware/cavedroid/misc/Assets.java

   1 package ru.deadsoftware.cavedroid.misc;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.graphics.Texture;
   5 import com.badlogic.gdx.graphics.g2d.BitmapFont;
   6 import com.badlogic.gdx.graphics.g2d.GlyphLayout;
   7 import com.badlogic.gdx.graphics.g2d.Sprite;
   8 import com.badlogic.gdx.graphics.g2d.TextureRegion;
   9 import com.badlogic.gdx.utils.ArrayMap;
  10 import com.badlogic.gdx.utils.JsonReader;
  11 import com.badlogic.gdx.utils.JsonValue;
  12 import ru.deadsoftware.cavedroid.game.objects.TouchButton;
  13 import ru.deadsoftware.cavedroid.misc.utils.AssetLoader;
  14
  15 import java.util.HashMap;
  16
  17 public class Assets {
  18
  19     public static final JsonReader jsonReader = new JsonReader();
  20     public static final Sprite[][] playerSprite = new Sprite[2][4];
  21     public static final Sprite[][] pigSprite = new Sprite[2][2];
  22     public static final HashMap<String, TextureRegion> textureRegions = new HashMap<>();
  23     public static final ArrayMap<String, TouchButton> guiMap = new ArrayMap<>();
  24     private static final GlyphLayout glyphLayout = new GlyphLayout();
  25     static BitmapFont minecraftFont;
  26
  27     private static TextureRegion flippedRegion(Texture texture, int x, int y, int width, int height) {
  28         return new TextureRegion(texture, x, y + height, width, -height);
  29     }
  30
  31     private static Sprite flippedSprite(Texture texture) {
  32         Sprite sprite = new Sprite(texture);
  33         sprite.flip(false, true);
  34         return sprite;
  35     }
  36
  37     private static Sprite flippedSprite(TextureRegion texture) {
  38         Sprite sprite = new Sprite(texture);
  39         sprite.flip(false, true);
  40         return sprite;
  41     }
  42
  43     private static void loadMob(AssetLoader assetLoader, Sprite[][] sprite, String mob) {
  44         for (int i = 0; i < sprite.length; i++) {
  45             for (int j = 0; j < sprite[i].length; j++) {
  46                 sprite[i][j] = flippedSprite(new Texture(
  47                         assetLoader.getAssetHandle("mobs/" + mob + "/" + i + "_" + j + ".png")));
  48                 sprite[i][j].setOrigin(sprite[i][j].getWidth() / 2, 0);
  49             }
  50         }
  51     }
  52
  53     private static void setPlayerHeadOrigin() {
  54         for (Sprite[] sprites : playerSprite) {
  55             sprites[0].setOrigin(sprites[0].getWidth() / 2, sprites[0].getHeight());
  56         }
  57     }
  58
  59     /**
  60      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
  61      * and puts to {@link #textureRegions} HashMap
  62      */
  63     private static void loadJSON(AssetLoader assetLoader) {
  64         JsonValue json = jsonReader.parse(assetLoader.getAssetHandle("json/texture_regions.json"));
  65         for (JsonValue file = json.child(); file != null; file = file.next()) {
  66             Texture texture = new Texture(assetLoader.getAssetHandle(file.name() + ".png"));
  67             if (file.size == 0) {
  68                 textureRegions.put(file.name(),
  69                         flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
  70             } else {
  71                 for (JsonValue key = file.child(); key != null; key = key.next()) {
  72                     int x = getIntFromJson(key, "x", 0);
  73                     int y = getIntFromJson(key, "y", 0);
  74                     int w = getIntFromJson(key, "w", texture.getWidth());
  75                     int h = getIntFromJson(key, "h", texture.getHeight());
  76                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
  77                 }
  78             }
  79         }
  80     }
  81
  82     public static void load(final AssetLoader assetLoader) {
  83         loadMob(assetLoader, playerSprite, "char");
  84         loadMob(assetLoader, pigSprite, "pig");
  85         loadJSON(assetLoader);
  86         setPlayerHeadOrigin();
  87         minecraftFont = new BitmapFont(assetLoader.getAssetHandle("font.fnt"), true);
  88         minecraftFont.getData().setScale(.375f);
  89     }
  90
  91     /**
  92      * @param s string whose width you want to know
  93      * @return A width of string written in {@link #minecraftFont} in pixels
  94      */
  95     public static int getStringWidth(String s) {
  96         glyphLayout.setText(minecraftFont, s);
  97         return (int) glyphLayout.width;
  98     }
  99
 100     /**
 101      * @param s string whose height you want to know
 102      * @return A height of string written in {@link #minecraftFont} in pixels
 103      */
 104     public static int getStringHeight(String s) {
 105         glyphLayout.setText(minecraftFont, s);
 106         return (int) glyphLayout.height;
 107     }
 108
 109     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 110         return json.has(name) ? json.getInt(name) : defaultValue;
 111     }
 112
 113     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 114         return json.has(name) ? json.getString(name) : defaultValue;
 115     }
 116
 117     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 118         return json.has(name) ? json.getBoolean(name) : defaultValue;
 119     }
 120
 121 }