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.io.File;
  16 import java.util.HashMap;
  17 import java.util.LinkedList;
  18 import java.util.List;
  19 import java.util.Map;
  20
  21 public class Assets {
  22
  23     private static final int BLOCK_DAMAGE_STAGES = 10;
  24
  25     public static final JsonReader jsonReader = new JsonReader();
  26
  27     private static final List<Texture> loadedTextures = new LinkedList<>();
  28
  29     public static final Sprite[][] playerSprite = new Sprite[2][4];
  30     public static final Sprite[][] pigSprite = new Sprite[2][2];
  31
  32     public static final Sprite[] blockDamageSprites = new Sprite[10];
  33
  34     public static final HashMap<String, TextureRegion> textureRegions = new HashMap<>();
  35     public static final ArrayMap<String, TouchButton> guiMap = new ArrayMap<>();
  36     private static final GlyphLayout glyphLayout = new GlyphLayout();
  37     public static BitmapFont minecraftFont;
  38
  39     public static Map<String, Texture> blockTextures = new HashMap<>();
  40     public static Map<String, Texture> itemTextures = new HashMap<>();
  41
  42     public static void dispose() {
  43         minecraftFont.dispose();
  44         loadedTextures.forEach(Texture::dispose);
  45         loadedTextures.clear();
  46     }
  47
  48     private static Texture loadTexture(FileHandle fileHandle) {
  49         Texture texture = new Texture(fileHandle);
  50         loadedTextures.add(texture);
  51         return texture;
  52     }
  53
  54     private static TextureRegion flippedRegion(Texture texture, int x, int y, int width, int height) {
  55         return new TextureRegion(texture, x, y + height, width, -height);
  56     }
  57
  58     private static Sprite flippedSprite(Texture texture) {
  59         Sprite sprite = new Sprite(texture);
  60         sprite.flip(false, true);
  61         return sprite;
  62     }
  63
  64     private static Sprite flippedSprite(TextureRegion texture) {
  65         Sprite sprite = new Sprite(texture);
  66         sprite.flip(false, true);
  67         return sprite;
  68     }
  69
  70     private static void loadMob(AssetLoader assetLoader, Sprite[][] sprite, String mob) {
  71         for (int i = 0; i < sprite.length; i++) {
  72             for (int j = 0; j < sprite[i].length; j++) {
  73                 sprite[i][j] = flippedSprite(loadTexture(
  74                         assetLoader.getAssetHandle("mobs/" + mob + "/" + i + "_" + j + ".png")));
  75                 sprite[i][j].setOrigin(sprite[i][j].getWidth() / 2, 0);
  76             }
  77         }
  78     }
  79
  80     private static void loadBlockDamage(AssetLoader assetLoader) {
  81         final Texture blockDamageTexture = loadTexture(assetLoader.getAssetHandle("break.png"));
  82         for (int i = 0; i < BLOCK_DAMAGE_STAGES; i++) {
  83             blockDamageSprites[i] = new Sprite(flippedRegion(blockDamageTexture, i * 16, 0, 16, 16));
  84         }
  85     }
  86
  87     private static void setPlayerHeadOrigin() {
  88         for (Sprite[] sprites : playerSprite) {
  89             sprites[0].setOrigin(sprites[0].getWidth() / 2, sprites[0].getHeight());
  90         }
  91     }
  92
  93     /**
  94      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
  95      * and puts to {@link #textureRegions} HashMap
  96      */
  97     private static void loadJSON(AssetLoader assetLoader) {
  98         JsonValue json = jsonReader.parse(assetLoader.getAssetHandle("json/texture_regions.json"));
  99         for (JsonValue file = json.child(); file != null; file = file.next()) {
 100             Texture texture = loadTexture(assetLoader.getAssetHandle(file.name() + ".png"));
 101             if (file.size == 0) {
 102                 textureRegions.put(file.name(),
 103                         flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
 104             } else {
 105                 for (JsonValue key = file.child(); key != null; key = key.next()) {
 106                     int x = getIntFromJson(key, "x", 0);
 107                     int y = getIntFromJson(key, "y", 0);
 108                     int w = getIntFromJson(key, "w", texture.getWidth());
 109                     int h = getIntFromJson(key, "h", texture.getHeight());
 110                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
 111                 }
 112             }
 113         }
 114     }
 115
 116     private static Texture resolveTexture(AssetLoader assetLoader, String textureName, String lookUpPath, Map<String, Texture> cache) {
 117         if (cache.containsKey(textureName)) {
 118             return cache.get(textureName);
 119         }
 120
 121         final Texture texture = loadTexture(assetLoader.getAssetHandle(lookUpPath + File.separator + textureName + ".png"));
 122         cache.put(textureName, texture);
 123
 124         return texture;
 125     }
 126
 127     public static Texture resolveItemTexture(AssetLoader assetLoader, String textureName) {
 128         return resolveTexture(assetLoader, textureName, "textures/items", itemTextures);
 129     }
 130
 131     public static Texture resolveBlockTexture(AssetLoader assetLoader, String textureName) {
 132         return resolveTexture(assetLoader, textureName, "textures/blocks", blockTextures);
 133     }
 134
 135     private static void loadAllPngsFromDirInto(FileHandle dir, Map<String, Texture> loadInto) {
 136         for (FileHandle handle : dir.list((d, name) -> name.endsWith(".png"))) {
 137             loadInto.put(handle.nameWithoutExtension(), loadTexture(handle));
 138         }
 139     }
 140
 141     private static void loadItems(AssetLoader assetLoader) {
 142         final FileHandle itemsDir = assetLoader.getAssetHandle("textures/items");
 143         loadAllPngsFromDirInto(itemsDir, itemTextures);
 144     }
 145
 146     private static void loadBlocks(AssetLoader assetLoader) {
 147         final FileHandle blocksDir = assetLoader.getAssetHandle("textures/blocks");
 148         loadAllPngsFromDirInto(blocksDir, blockTextures);
 149     }
 150
 151     public static void load(final AssetLoader assetLoader) {
 152         loadMob(assetLoader, playerSprite, "char");
 153         loadMob(assetLoader, pigSprite, "pig");
 154         loadBlockDamage(assetLoader);
 155         loadJSON(assetLoader);
 156         loadBlocks(assetLoader);
 157         loadItems(assetLoader);
 158         setPlayerHeadOrigin();
 159         minecraftFont = new BitmapFont(assetLoader.getAssetHandle("font.fnt"), true);
 160         minecraftFont.getData().setScale(.375f);
 161     }
 162
 163     /**
 164      * @param s string whose width you want to know
 165      * @return A width of string written in {@link #minecraftFont} in pixels
 166      */
 167     public static int getStringWidth(String s) {
 168         glyphLayout.setText(minecraftFont, s);
 169         return (int) glyphLayout.width;
 170     }
 171
 172     /**
 173      * @param s string whose height you want to know
 174      * @return A height of string written in {@link #minecraftFont} in pixels
 175      */
 176     public static int getStringHeight(String s) {
 177         glyphLayout.setText(minecraftFont, s);
 178         return (int) glyphLayout.height;
 179     }
 180
 181     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 182         return json.has(name) ? json.getInt(name) : defaultValue;
 183     }
 184
 185     public static float getFloatFromJson(JsonValue json, String name, float defaultValue) {
 186         return json.has(name) ? json.getFloat(name) : defaultValue;
 187     }
 188
 189     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 190         return json.has(name) ? json.getString(name) : defaultValue;
 191     }
 192
 193     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 194         return json.has(name) ? json.getBoolean(name) : defaultValue;
 195     }
 196
 197 }