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     /**
  53      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
  54      * and puts to {@link #textureRegions} HashMap
  55      */
  56     private static void loadJSON() {
  57         JsonValue json = jsonReader.parse(Gdx.files.internal("json/texture_regions.json"));
  58         for (JsonValue file = json.child(); file != null; file = file.next()) {
  59             Texture texture = new Texture(Gdx.files.internal(file.name() + ".png"));
  60             if (file.size == 0) {
  61                 textureRegions.put(file.name(),
  62                         flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
  63             } else {
  64                 for (JsonValue key = file.child(); key != null; key = key.next()) {
  65                     int x = getIntFromJson(key, "x", 0);
  66                     int y = getIntFromJson(key, "y", 0);
  67                     int w = getIntFromJson(key, "w", texture.getWidth());
  68                     int h = getIntFromJson(key, "h", texture.getHeight());
  69                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
  70                 }
  71             }
  72         }
  73     }
  74
  75     public static void load() {
  76         loadMob(playerSprite, "char");
  77         loadMob(pigSprite, "pig");
  78         loadJSON();
  79         minecraftFont = new BitmapFont(Gdx.files.internal("font.fnt"), true);
  80         minecraftFont.getData().setScale(.375f);
  81     }
  82
  83     /**
  84      * @param s string whose width you want to know
  85      * @return A width of string written in {@link #minecraftFont} in pixels
  86      */
  87     public static int getStringWidth(String s) {
  88         glyphLayout.setText(minecraftFont, s);
  89         return (int) glyphLayout.width;
  90     }
  91
  92     /**
  93      * @param s string whose height you want to know
  94      * @return A height of string written in {@link #minecraftFont} in pixels
  95      */
  96     public static int getStringHeight(String s) {
  97         glyphLayout.setText(minecraftFont, s);
  98         return (int) glyphLayout.height;
  99     }
 100
 101     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 102         return json.has(name) ? json.getInt(name) : defaultValue;
 103     }
 104
 105     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 106         return json.has(name) ? json.getString(name) : defaultValue;
 107     }
 108
 109     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 110         return json.has(name) ? json.getBoolean(name) : defaultValue;
 111     }
 112
 113 }