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         for (Texture texture : loadedTextures) {
  53             texture.dispose();
  54         }
  55         loadedTextures.clear();
  56     }
  57
  58     private static Texture loadTexture(FileHandle fileHandle) {
  59         Texture texture = new Texture(fileHandle);
  60         loadedTextures.add(texture);
  61         return texture;
  62     }
  63
  64     private static TextureRegion flippedRegion(Texture texture, int x, int y, int width, int height) {
  65         return new TextureRegion(texture, x, y + height, width, -height);
  66     }
  67
  68     private static Sprite flippedSprite(Texture texture) {
  69         Sprite sprite = new Sprite(texture);
  70         sprite.flip(false, true);
  71         return sprite;
  72     }
  73
  74     private static Sprite flippedSprite(TextureRegion texture) {
  75         Sprite sprite = new Sprite(texture);
  76         sprite.flip(false, true);
  77         return sprite;
  78     }
  79
  80     private static void loadMob(AssetLoader assetLoader, Sprite[][] sprite, String mob) {
  81         for (int i = 0; i < sprite.length; i++) {
  82             for (int j = 0; j < sprite[i].length; j++) {
  83                 sprite[i][j] = flippedSprite(loadTexture(
  84                         assetLoader.getAssetHandle("pp/mobs/" + mob + "/" + i + "_" + j + ".png")));
  85                 sprite[i][j].setOrigin(sprite[i][j].getWidth() / 2, 0);
  86             }
  87         }
  88     }
  89
  90     private static void loadBlockDamage(AssetLoader assetLoader) {
  91         final Texture blockDamageTexture = loadTexture(assetLoader.getAssetHandle("pp/break.png"));
  92         for (int i = 0; i < BLOCK_DAMAGE_STAGES; i++) {
  93             blockDamageSprites[i] = new Sprite(flippedRegion(blockDamageTexture, i * 16, 0, 16, 16));
  94         }
  95     }
  96
  97     private static void setPlayerHeadOrigin() {
  98         for (Sprite[] sprites : playerSprite) {
  99             sprites[0].setOrigin(sprites[0].getWidth() / 2, sprites[0].getHeight());
 100         }
 101     }
 102
 103     /**
 104      * Loads texture names and sizes from <b>json/texture_regions.json</b>, cuts them to TextureRegions
 105      * and puts to {@link #textureRegions} HashMap
 106      */
 107     private static void loadJSON(AssetLoader assetLoader) {
 108         JsonValue json = jsonReader.parse(assetLoader.getAssetHandle("json/texture_regions.json"));
 109         for (JsonValue file = json.child(); file != null; file = file.next()) {
 110             Texture texture = loadTexture(assetLoader.getAssetHandle(file.name() + ".png"));
 111             final String[] pathSegments = file.name().split("/");
 112             final String name = pathSegments[pathSegments.length - 1];
 113             if (file.size == 0) {
 114                 textureRegions.put(name, flippedRegion(texture, 0, 0, texture.getWidth(), texture.getHeight()));
 115             } else {
 116                 for (JsonValue key = file.child(); key != null; key = key.next()) {
 117                     int x = getIntFromJson(key, "x", 0);
 118                     int y = getIntFromJson(key, "y", 0);
 119                     int w = getIntFromJson(key, "w", texture.getWidth());
 120                     int h = getIntFromJson(key, "h", texture.getHeight());
 121                     textureRegions.put(key.name(), flippedRegion(texture, x, y, w, h));
 122                 }
 123             }
 124         }
 125     }
 126
 127     private static int getMouseKey(String name) {
 128         switch (name) {
 129             case "Left":
 130                 return Input.Buttons.LEFT;
 131             case "Right":
 132                 return Input.Buttons.RIGHT;
 133             case "Middle":
 134                 return Input.Buttons.MIDDLE;
 135             case "Back":
 136                 return Input.Buttons.BACK;
 137             case "Forward":
 138                 return Input.Buttons.FORWARD;
 139             default:
 140                 return -1;
 141         }
 142     }
 143
 144     private static void loadTouchButtonsFromJSON(AssetLoader assetLoader) {
 145         JsonValue json = Assets.jsonReader.parse(assetLoader.getAssetHandle("json/touch_buttons.json"));
 146         for (JsonValue key = json.child(); key != null; key = key.next()) {
 147             float x = key.getFloat("x");
 148             float y = key.getFloat("y");
 149             float w = key.getFloat("w");
 150             float h = key.getFloat("h");
 151             boolean mouse = Assets.getBooleanFromJson(key, "mouse", false);
 152             String name = key.getString("key");
 153             int code = mouse ? getMouseKey(name) : Input.Keys.valueOf(name);
 154             if (x < 0) {
 155                 x = assetLoader.getGameRendererWidth() + x;
 156             }
 157             if (y < 0) {
 158                 y = assetLoader.getGameRendererHeight() + y;
 159             }
 160             Assets.guiMap.put(key.name(), new TouchButton(new Rectangle(x, y, w, h), code, mouse));
 161         }
 162
 163     }
 164
 165     private static Texture resolveTexture(AssetLoader assetLoader, String textureName, String lookUpPath, Map<String, Texture> cache) {
 166         if (cache.containsKey(textureName)) {
 167             return cache.get(textureName);
 168         }
 169
 170         final Texture texture = loadTexture(assetLoader.getAssetHandle(lookUpPath + File.separator + textureName + ".png"));
 171         cache.put(textureName, texture);
 172
 173         return texture;
 174     }
 175
 176     public static Texture resolveItemTexture(AssetLoader assetLoader, String textureName) {
 177         return resolveTexture(assetLoader, textureName, "pp/textures/items", itemTextures);
 178     }
 179
 180     public static Texture resolveBlockTexture(AssetLoader assetLoader, String textureName) {
 181         return resolveTexture(assetLoader, textureName, "pp/textures/blocks", blockTextures);
 182     }
 183
 184     private static void loadAllPngsFromDirInto(FileHandle dir, Map<String, Texture> loadInto) {
 185         for (FileHandle handle : dir.list((d, name) -> name.endsWith(".png"))) {
 186             loadInto.put(handle.nameWithoutExtension(), loadTexture(handle));
 187         }
 188     }
 189
 190     private static void loadItems(AssetLoader assetLoader) {
 191         final FileHandle itemsDir = assetLoader.getAssetHandle("pp/textures/items");
 192         loadAllPngsFromDirInto(itemsDir, itemTextures);
 193     }
 194
 195     private static void loadBlocks(AssetLoader assetLoader) {
 196         final FileHandle blocksDir = assetLoader.getAssetHandle("pp/textures/blocks");
 197         loadAllPngsFromDirInto(blocksDir, blockTextures);
 198     }
 199
 200     private static void loadJoystick(AssetLoader assetLoader) {
 201         joyStick = new Sprite(loadTexture(assetLoader.getAssetHandle("joy_stick.png")));
 202         joyBackground = new Sprite(loadTexture(assetLoader.getAssetHandle("joy_background.png")));
 203     }
 204
 205     private static void loadFurnace(AssetLoader assetLoader) {
 206         furnaceBurn = new Sprite(textureRegions.get("furnace_burn"));
 207         furnaceProgress = new Sprite(textureRegions.get("furnace_progress"));
 208     }
 209
 210     public static void load(final AssetLoader assetLoader) {
 211         loadMob(assetLoader, playerSprite, "char");
 212         loadMob(assetLoader, pigSprite, "pig");
 213         loadBlockDamage(assetLoader);
 214         loadJSON(assetLoader);
 215         loadBlocks(assetLoader);
 216         loadItems(assetLoader);
 217         loadTouchButtonsFromJSON(assetLoader);
 218         loadJoystick(assetLoader);
 219         loadFurnace(assetLoader);
 220         setPlayerHeadOrigin();
 221         minecraftFont = new BitmapFont(assetLoader.getAssetHandle("font.fnt"), true);
 222         minecraftFont.getData().setScale(.375f);
 223         minecraftFont.setUseIntegerPositions(false);
 224     }
 225
 226     /**
 227      * @param s string whose width you want to know
 228      * @return A width of string written in {@link #minecraftFont} in pixels
 229      */
 230     public static int getStringWidth(String s) {
 231         glyphLayout.setText(minecraftFont, s);
 232         return (int) glyphLayout.width;
 233     }
 234
 235     /**
 236      * @param s string whose height you want to know
 237      * @return A height of string written in {@link #minecraftFont} in pixels
 238      */
 239     public static int getStringHeight(String s) {
 240         glyphLayout.setText(minecraftFont, s);
 241         return (int) glyphLayout.height;
 242     }
 243
 244     public static int getIntFromJson(JsonValue json, String name, int defaultValue) {
 245         return json.has(name) ? json.getInt(name) : defaultValue;
 246     }
 247
 248     public static float getFloatFromJson(JsonValue json, String name, float defaultValue) {
 249         return json.has(name) ? json.getFloat(name) : defaultValue;
 250     }
 251
 252     public static String getStringFromJson(JsonValue json, String name, String defaultValue) {
 253         return json.has(name) ? json.getString(name) : defaultValue;
 254     }
 255
 256     public static boolean getBooleanFromJson(JsonValue json, String name, boolean defaultValue) {
 257         return json.has(name) ? json.getBoolean(name) : defaultValue;
 258     }
 259
 260 }