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

   1 package ru.deadsoftware.cavedroid.misc;
   2
   3 import com.badlogic.gdx.Input;
   4 import com.badlogic.gdx.files.FileHandle;
   5 import com.badlogic.gdx.graphics.Texture;
   6 import com.badlogic.gdx.graphics.g2d.BitmapFont;
   7 import com.badlogic.gdx.graphics.g2d.GlyphLayout;
   8 import com.badlogic.gdx.graphics.g2d.Sprite;
   9 import com.badlogic.gdx.graphics.g2d.TextureRegion;
  10 import com.badlogic.gdx.math.Rectangle;
  11 import com.badlogic.gdx.utils.ArrayMap;
  12 import com.badlogic.gdx.utils.JsonReader;
  13 import com.badlogic.gdx.utils.JsonValue;
  14 import ru.deadsoftware.cavedroid.game.objects.TouchButton;
  15 import ru.deadsoftware.cavedroid.misc.utils.AssetLoader;
  16
  17 import java.io.File;
  18 import java.util.HashMap;
  19 import java.util.LinkedList;
  20 import java.util.List;
  21 import java.util.Map;
  22
  23 public class Assets {
  24
  25     private static final int BLOCK_DAMAGE_STAGES = 10;
  26
  27     public static final JsonReader jsonReader = new JsonReader();
  28
  29     private static final List<Texture> loadedTextures = new LinkedList<>();
  30
  31     public static final Sprite[][] playerSprite = new Sprite[2][4];
  32     public static final Sprite[][] pigSprite = new Sprite[2][2];
  33
  34     public static final Sprite[] blockDamageSprites = new Sprite[10];
  35
  36     public static final HashMap<String, TextureRegion> textureRegions = new HashMap<>();
  37     public static final ArrayMap<String, TouchButton> guiMap = new ArrayMap<>();
  38     private static final GlyphLayout glyphLayout = new GlyphLayout();
  39     public static BitmapFont minecraftFont;
  40
  41     public static Map<String, Texture> blockTextures = new HashMap<>();
  42     public static Map<String, Texture> itemTextures = new HashMap<>();
  43
  44     public static Sprite joyBackground;
  45     public static Sprite joyStick;
  46
  47     public static Sprite furnaceBurn;
  48     public static Sprite furnaceProgress;
  49
  50     public static void dispose() {
  51         minecraftFont.dispose();
  52         loadedTextures.forEach(Texture::dispose);
  53         loadedTextures.clear();
  54     }
  55
  56     private static Texture loadTexture(FileHandle fileHandle) {
  57         Texture texture = new Texture(fileHandle);
  58         loadedTextures.add(texture);
  59         return texture;
  60     }
  61
  62     private static TextureRegion flippedRegion(Texture texture, int x, int y, int width, int height) {
  63         return new TextureRegion(texture, x, y + height, width, -height);
  64     }
  65
  66     private static Sprite flippedSprite(Texture texture) {
  67         Sprite sprite = new Sprite(texture);
  68         sprite.flip(false, true);
  69         return sprite;
  70     }
  71
  72     private static Sprite flippedSprite(TextureRegion texture) {
  73         Sprite sprite = new Sprite(texture);
  74         sprite.flip(false, true);
  75         return sprite;
  76     }
  77
  78     private static void loadMob(AssetLoader assetLoader, Sprite[][] sprite, String mob) {
  79         for (int i = 0; i < sprite.length; i++) {
  80             for (int j = 0; j < sprite[i].length; j++) {
  81                 sprite[i][j] = flippedSprite(loadTexture(
  82                         assetLoader.getAssetHandle("mobs/" + mob + "/" + i + "_" + j + ".png")));
  83                 sprite[i][j].setOrigin(sprite[i][j].getWidth() / 2, 0);
  84             }
  85         }
  86     }
  87
  88     private static void loadBlockDamage(AssetLoader assetLoader) {
  89         final Texture blockDamageTexture = loadTexture(assetLoader.getAssetHandle("break.png"));
  90         for (int i = 0; i < BLOCK_DAMAGE_STAGES; i++) {
  91             blockDamageSprites[i] = new Sprite(flippedRegion(blockDamageTexture, i * 16, 0, 16, 16));
  92         }
  93     }
  94
  95     private static void setPlayerHeadOrigin() {
  96         for (Sprite[] sprites : playerSprite) {
  97             sprites[0].setOrigin(sprites[0].getWidth() / 2, sprites[0].getHeight());
  98         }
  99     }
 100
 101     /**
 102      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
 103      * and puts to {@link #textureRegions} HashMap
 104      */
 105     private static void loadJSON(AssetLoader assetLoader) {
 106         JsonValue json = jsonReader.parse(assetLoader.getAssetHandle("json/texture_regions.json"));
 107         for (JsonValue file = json.child(); file != null; file = file.next()) {
 108             Texture texture = loadTexture(assetLoader.getAssetHandle(file.name() + ".png"));
 109             if (file.size == 0) {
 110                 textureRegions.put(file.name(),
 111                         flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
 112             } else {
 113                 for (JsonValue key = file.child(); key != null; key = key.next()) {
 114                     int x = getIntFromJson(key, "x", 0);
 115                     int y = getIntFromJson(key, "y", 0);
 116                     int w = getIntFromJson(key, "w", texture.getWidth());
 117                     int h = getIntFromJson(key, "h", texture.getHeight());
 118                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
 119                 }
 120             }
 121         }
 122     }
 123
 124     private static int getMouseKey(String name) {
 125         switch (name) {
 126             case "Left":
 127                 return Input.Buttons.LEFT;
 128             case "Right":
 129                 return Input.Buttons.RIGHT;
 130             case "Middle":
 131                 return Input.Buttons.MIDDLE;
 132             case "Back":
 133                 return Input.Buttons.BACK;
 134             case "Forward":
 135                 return Input.Buttons.FORWARD;
 136             default:
 137                 return -1;
 138         }
 139     }
 140
 141     private static void loadTouchButtonsFromJSON(AssetLoader assetLoader) {
 142         JsonValue json = Assets.jsonReader.parse(assetLoader.getAssetHandle("json/touch_buttons.json"));
 143         for (JsonValue key = json.child(); key != null; key = key.next()) {
 144             float x = key.getFloat("x");
 145             float y = key.getFloat("y");
 146             float w = key.getFloat("w");
 147             float h = key.getFloat("h");
 148             boolean mouse = Assets.getBooleanFromJson(key, "mouse", false);
 149             String name = key.getString("key");
 150             int code = mouse ? getMouseKey(name) : Input.Keys.valueOf(name);
 151             if (x < 0) {
 152                 x = assetLoader.getGameRendererWidth() + x;
 153             }
 154             if (y < 0) {
 155                 y = assetLoader.getGameRendererHeight() + y;
 156             }
 157             Assets.guiMap.put(key.name(), new TouchButton(new Rectangle(x, y, w, h), code, mouse));
 158         }
 159
 160     }
 161
 162     private static Texture resolveTexture(AssetLoader assetLoader, String textureName, String lookUpPath, Map<String, Texture> cache) {
 163         if (cache.containsKey(textureName)) {
 164             return cache.get(textureName);
 165         }
 166
 167         final Texture texture = loadTexture(assetLoader.getAssetHandle(lookUpPath + File.separator + textureName + ".png"));
 168         cache.put(textureName, texture);
 169
 170         return texture;
 171     }
 172
 173     public static Texture resolveItemTexture(AssetLoader assetLoader, String textureName) {
 174         return resolveTexture(assetLoader, textureName, "textures/items", itemTextures);
 175     }
 176
 177     public static Texture resolveBlockTexture(AssetLoader assetLoader, String textureName) {
 178         return resolveTexture(assetLoader, textureName, "textures/blocks", blockTextures);
 179     }
 180
 181     private static void loadAllPngsFromDirInto(FileHandle dir, Map<String, Texture> loadInto) {
 182         for (FileHandle handle : dir.list((d, name) -> name.endsWith(".png"))) {
 183             loadInto.put(handle.nameWithoutExtension(), loadTexture(handle));
 184         }
 185     }
 186
 187     private static void loadItems(AssetLoader assetLoader) {
 188         final FileHandle itemsDir = assetLoader.getAssetHandle("textures/items");
 189         loadAllPngsFromDirInto(itemsDir, itemTextures);
 190     }
 191
 192     private static void loadBlocks(AssetLoader assetLoader) {
 193         final FileHandle blocksDir = assetLoader.getAssetHandle("textures/blocks");
 194         loadAllPngsFromDirInto(blocksDir, blockTextures);
 195     }
 196
 197     private static void loadJoystick(AssetLoader assetLoader) {
 198         joyStick = new Sprite(loadTexture(assetLoader.getAssetHandle("joy_stick.png")));
 199         joyBackground = new Sprite(loadTexture(assetLoader.getAssetHandle("joy_background.png")));
 200     }
 201
 202     private static void loadFurnace(AssetLoader assetLoader) {
 203         furnaceBurn = new Sprite(textureRegions.get("furnace_burn"));
 204         furnaceProgress = new Sprite(textureRegions.get("furnace_progress"));
 205     }
 206
 207     public static void load(final AssetLoader assetLoader) {
 208         loadMob(assetLoader, playerSprite, "char");
 209         loadMob(assetLoader, pigSprite, "pig");
 210         loadBlockDamage(assetLoader);
 211         loadJSON(assetLoader);
 212         loadBlocks(assetLoader);
 213         loadItems(assetLoader);
 214         loadTouchButtonsFromJSON(assetLoader);
 215         loadJoystick(assetLoader);
 216         loadFurnace(assetLoader);
 217         setPlayerHeadOrigin();
 218         minecraftFont = new BitmapFont(assetLoader.getAssetHandle("font.fnt"), true);
 219         minecraftFont.getData().setScale(.375f);
 220         minecraftFont.setUseIntegerPositions(false);
 221     }
 222
 223     /**
 224      * @param s string whose width you want to know
 225      * @return A width of string written in {@link #minecraftFont} in pixels
 226      */
 227     public static int getStringWidth(String s) {
 228         glyphLayout.setText(minecraftFont, s);
 229         return (int) glyphLayout.width;
 230     }
 231
 232     /**
 233      * @param s string whose height you want to know
 234      * @return A height of string written in {@link #minecraftFont} in pixels
 235      */
 236     public static int getStringHeight(String s) {
 237         glyphLayout.setText(minecraftFont, s);
 238         return (int) glyphLayout.height;
 239     }
 240
 241     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 242         return json.has(name) ? json.getInt(name) : defaultValue;
 243     }
 244
 245     public static float getFloatFromJson(JsonValue json, String name, float defaultValue) {
 246         return json.has(name) ? json.getFloat(name) : defaultValue;
 247     }
 248
 249     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 250         return json.has(name) ? json.getString(name) : defaultValue;
 251     }
 252
 253     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 254         return json.has(name) ? json.getBoolean(name) : defaultValue;
 255     }
 256
 257 }