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