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.math.Rectangle;
  10 import com.badlogic.gdx.utils.ArrayMap;
  11 import com.badlogic.gdx.utils.JsonReader;
  12 import com.badlogic.gdx.utils.JsonValue;
  13
  14 import java.util.HashMap;
  15
  16 public class Assets {
  17
  18     public static final JsonReader jsonReader = new JsonReader();
  19
  20     private static final GlyphLayout glyphLayout = new GlyphLayout();
  21
  22     static BitmapFont minecraftFont;
  23
  24     public static final Sprite[][] playerSprite = new Sprite[2][4];
  25     public static final Sprite[][] pigSprite = new Sprite[2][2];
  26     public static Sprite fallingSandSprite;
  27     public static Sprite fallingGravelSprite;
  28     public static final HashMap<String, TextureRegion> textureRegions = new HashMap<>();
  29     public static final ArrayMap<String, Rectangle> guiMap = new ArrayMap<>();
  30
  31     private static TextureRegion flippedRegion(Texture texture, int x, int y, int width, int height) {
  32         return new TextureRegion(texture, x, y + height, width, -height);
  33     }
  34
  35     private static Sprite flippedSprite(Texture texture) {
  36         Sprite sprite = new Sprite(texture);
  37         sprite.flip(false, true);
  38         return sprite;
  39     }
  40
  41     private static Sprite flippedSprite(TextureRegion texture) {
  42         Sprite sprite = new Sprite(texture);
  43         sprite.flip(false, true);
  44         return sprite;
  45     }
  46
  47     private static void loadPlayer() {
  48         Texture plTex = new Texture(Gdx.files.internal("mobs/char.png"));
  49         //LOOK TO LEFT
  50         //head
  51         playerSprite[0][0] = flippedSprite(new TextureRegion(plTex, 0, 0, 12, 12));
  52         //body
  53         playerSprite[0][1] = flippedSprite(new TextureRegion(plTex, 0, 13, 12, 12));
  54         //hand
  55         playerSprite[0][2] = flippedSprite(new TextureRegion(plTex, 25, 5, 20, 20));
  56         //leg
  57         playerSprite[0][3] = flippedSprite(new TextureRegion(plTex, 25, 27, 20, 20));
  58         //LOOK TO RIGHT
  59         //head
  60         playerSprite[1][0] = flippedSprite(new TextureRegion(plTex, 13, 0, 12, 12));
  61         //body
  62         playerSprite[1][1] = flippedSprite(new TextureRegion(plTex, 13, 13, 12, 12));
  63         //hand
  64         playerSprite[1][2] = flippedSprite(new TextureRegion(plTex, 37, 5, 20, 20));
  65         //leg
  66         playerSprite[1][3] = flippedSprite(new TextureRegion(plTex, 37, 27, 20, 20));
  67     }
  68
  69     private static void loadPig() {
  70         Texture pigTex = new Texture(Gdx.files.internal("mobs/pig.png"));
  71         pigSprite[0][0] = flippedSprite(new TextureRegion(pigTex, 0, 0, 25, 12));
  72         pigSprite[1][0] = flippedSprite(new TextureRegion(pigTex, 0, 12, 25, 12));
  73         pigSprite[0][1] = flippedSprite(new TextureRegion(pigTex, 4, 26, 12, 12));
  74         pigSprite[1][1] = flippedSprite(new TextureRegion(pigTex, 16, 26, 12, 12));
  75     }
  76
  77     private static void loadFallingBlocks() {
  78         fallingSandSprite = flippedSprite(new Texture((Gdx.files.internal("textures/blocks/sand.png"))));
  79         fallingGravelSprite = flippedSprite(new Texture((Gdx.files.internal("textures/blocks/gravel.png"))));
  80     }
  81
  82     /**
  83      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
  84      * and puts to {@link #textureRegions} HashMap
  85      */
  86     private static void loadJSON() {
  87         JsonValue json = jsonReader.parse(Gdx.files.internal("json/texture_regions.json"));
  88         for (JsonValue file = json.child(); file != null; file = file.next()) {
  89             Texture texture = new Texture(Gdx.files.internal(file.name() + ".png"));
  90             if (file.size == 0) {
  91                 textureRegions.put(file.name(), flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
  92             } else {
  93                 for (JsonValue key = file.child(); key != null; key = key.next()) {
  94                     int x = getIntFromJson(key, "x", 0);
  95                     int y = getIntFromJson(key, "y", 0);
  96                     int w = getIntFromJson(key, "w", texture.getWidth());
  97                     int h = getIntFromJson(key, "h", texture.getHeight());
  98                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
  99                 }
 100             }
 101         }
 102     }
 103
 104     public static void load() {
 105         minecraftFont = new BitmapFont(Gdx.files.internal("font.fnt"), true);
 106         minecraftFont.getData().setScale(.375f);
 107         loadPlayer();
 108         loadPig();
 109         loadFallingBlocks();
 110         loadJSON();
 111     }
 112
 113     /**
 114      * @param s string whose width you want to know
 115      * @return A width of string written in {@link #minecraftFont} in pixels
 116      */
 117     public static int getStringWidth(String s) {
 118         glyphLayout.setText(minecraftFont, s);
 119         return (int) glyphLayout.width;
 120     }
 121
 122     /**
 123      * @param s string whose height you want to know
 124      * @return A height of string written in {@link #minecraftFont} in pixels
 125      */
 126     public static int getStringHeight(String s) {
 127         glyphLayout.setText(minecraftFont, s);
 128         return (int) glyphLayout.height;
 129     }
 130
 131     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 132         return json.has(name) ? json.getInt(name) : defaultValue;
 133     }
 134
 135     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 136         return json.has(name) ? json.getString(name) : defaultValue;
 137     }
 138
 139     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 140         return json.has(name) ? json.getBoolean(name) : defaultValue;
 141     }
 142
 143 }