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

   1 package ru.deadsoftware.cavedroid.misc;
   2
   3 import com.badlogic.gdx.files.FileHandle;
   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 import java.util.Map;
  17
  18 public class Assets {
  19
  20     public static final JsonReader jsonReader = new JsonReader();
  21     public static final Sprite[][] playerSprite = new Sprite[2][4];
  22     public static final Sprite[][] pigSprite = new Sprite[2][2];
  23     public static final HashMap<String, TextureRegion> textureRegions = new HashMap<>();
  24     public static final ArrayMap<String, TouchButton> guiMap = new ArrayMap<>();
  25     private static final GlyphLayout glyphLayout = new GlyphLayout();
  26     public static BitmapFont minecraftFont;
  27
  28     public static Map<String, Texture> blockTextures = new HashMap<>();
  29     public static Map<String, Texture> itemTextures = new HashMap<>();
  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 loadMob(AssetLoader assetLoader, Sprite[][] sprite, String mob) {
  48         for (int i = 0; i < sprite.length; i++) {
  49             for (int j = 0; j < sprite[i].length; j++) {
  50                 sprite[i][j] = flippedSprite(new Texture(
  51                         assetLoader.getAssetHandle("mobs/" + mob + "/" + i + "_" + j + ".png")));
  52                 sprite[i][j].setOrigin(sprite[i][j].getWidth() / 2, 0);
  53             }
  54         }
  55     }
  56
  57     private static void setPlayerHeadOrigin() {
  58         for (Sprite[] sprites : playerSprite) {
  59             sprites[0].setOrigin(sprites[0].getWidth() / 2, sprites[0].getHeight());
  60         }
  61     }
  62
  63     /**
  64      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
  65      * and puts to {@link #textureRegions} HashMap
  66      */
  67     private static void loadJSON(AssetLoader assetLoader) {
  68         JsonValue json = jsonReader.parse(assetLoader.getAssetHandle("json/texture_regions.json"));
  69         for (JsonValue file = json.child(); file != null; file = file.next()) {
  70             Texture texture = new Texture(assetLoader.getAssetHandle(file.name() + ".png"));
  71             if (file.size == 0) {
  72                 textureRegions.put(file.name(),
  73                         flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
  74             } else {
  75                 for (JsonValue key = file.child(); key != null; key = key.next()) {
  76                     int x = getIntFromJson(key, "x", 0);
  77                     int y = getIntFromJson(key, "y", 0);
  78                     int w = getIntFromJson(key, "w", texture.getWidth());
  79                     int h = getIntFromJson(key, "h", texture.getHeight());
  80                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
  81                 }
  82             }
  83         }
  84     }
  85
  86     private static void loadAllPngsFromDirInto(FileHandle dir, Map<String, Texture> loadInto) {
  87         for (FileHandle handle : dir.list((d, name) -> name.endsWith(".png"))) {
  88             loadInto.put(handle.nameWithoutExtension(), new Texture(handle));
  89         }
  90     }
  91
  92     private static void loadItems(AssetLoader assetLoader) {
  93         final FileHandle itemsDir = assetLoader.getAssetHandle("textures/items");
  94         loadAllPngsFromDirInto(itemsDir, itemTextures);
  95     }
  96
  97     private static void loadBlocks(AssetLoader assetLoader) {
  98         final FileHandle blocksDir = assetLoader.getAssetHandle("textures/blocks");
  99         loadAllPngsFromDirInto(blocksDir, blockTextures);
 100     }
 101
 102     public static void load(final AssetLoader assetLoader) {
 103         loadMob(assetLoader, playerSprite, "char");
 104         loadMob(assetLoader, pigSprite, "pig");
 105         loadJSON(assetLoader);
 106         loadBlocks(assetLoader);
 107         loadItems(assetLoader);
 108         setPlayerHeadOrigin();
 109         minecraftFont = new BitmapFont(assetLoader.getAssetHandle("font.fnt"), true);
 110         minecraftFont.getData().setScale(.375f);
 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 float getFloatFromJson(JsonValue json, String name, float defaultValue) {
 136         return json.has(name) ? json.getFloat(name) : defaultValue;
 137     }
 138
 139     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 140         return json.has(name) ? json.getString(name) : defaultValue;
 141     }
 142
 143     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 144         return json.has(name) ? json.getBoolean(name) : defaultValue;
 145     }
 146
 147 }