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