summaryrefslogtreecommitdiffstats
path: root/src/main/java/net/minecraft/server/ItemStack.java
blob: 41ba8fe38549e33e997ecd20ebd1a336cf52f68b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
package net.minecraft.server;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import java.text.DecimalFormat;
import java.util.Random;

public final class ItemStack {

    public static final DecimalFormat a = new DecimalFormat("#.###");
    public int count;
    public int c;
    public int id;
    public NBTTagCompound tag;
    private int damage;
    private EntityItemFrame g;

    public ItemStack(Block block) {
        this(block, 1);
    }

    public ItemStack(Block block, int i) {
        this(block.id, i, 0);
    }

    public ItemStack(Block block, int i, int j) {
        this(block.id, i, j);
    }

    public ItemStack(Item item) {
        this(item.id, 1, 0);
    }

    public ItemStack(Item item, int i) {
        this(item.id, i, 0);
    }

    public ItemStack(Item item, int i, int j) {
        this(item.id, i, j);
    }

    public ItemStack(int i, int j, int k) {
        this.id = i;
        this.count = j;
        // CraftBukkit start - Pass to setData to do filtering
        this.setData(k);
        //this.damage = k;
        //if (this.damage < 0) {
        //    this.damage = 0;
        //}
        // CraftBukkit end
    }

    public static ItemStack createStack(NBTTagCompound nbttagcompound) {
        ItemStack itemstack = new ItemStack();

        itemstack.c(nbttagcompound);
        return itemstack.getItem() != null ? itemstack : null;
    }

    private ItemStack() {}

    public ItemStack a(int i) {
        ItemStack itemstack = new ItemStack(this.id, i, this.damage);

        if (this.tag != null) {
            itemstack.tag = (NBTTagCompound) this.tag.clone();
        }

        this.count -= i;
        return itemstack;
    }

    public Item getItem() {
        return Item.byId[this.id];
    }

    public boolean placeItem(EntityHuman entityhuman, World world, int i, int j, int k, int l, float f, float f1, float f2) {
        boolean flag = this.getItem().interactWith(this, entityhuman, world, i, j, k, l, f, f1, f2);

        if (flag) {
            entityhuman.a(StatisticList.E[this.id], 1);
        }

        return flag;
    }

    public float a(Block block) {
        return this.getItem().getDestroySpeed(this, block);
    }

    public ItemStack a(World world, EntityHuman entityhuman) {
        return this.getItem().a(this, world, entityhuman);
    }

    public ItemStack b(World world, EntityHuman entityhuman) {
        return this.getItem().b(this, world, entityhuman);
    }

    public NBTTagCompound save(NBTTagCompound nbttagcompound) {
        nbttagcompound.setShort("id", (short) this.id);
        nbttagcompound.setByte("Count", (byte) this.count);
        nbttagcompound.setShort("Damage", (short) this.damage);
        if (this.tag != null) {
            nbttagcompound.set("tag", this.tag.clone()); // CraftBukkit - make defensive copy, data is going to another thread
        }

        return nbttagcompound;
    }

    public void c(NBTTagCompound nbttagcompound) {
        this.id = nbttagcompound.getShort("id");
        this.count = nbttagcompound.getByte("Count");
        this.damage = nbttagcompound.getShort("Damage");
        if (this.damage < 0) {
            this.damage = 0;
        }

        if (nbttagcompound.hasKey("tag")) {
            // CraftBukkit - clear name from compound and make defensive copy as this data may be coming from the save thread
            this.tag = (NBTTagCompound) nbttagcompound.getCompound("tag").clone().setName("");
        }
    }

    public int getMaxStackSize() {
        return this.getItem().getMaxStackSize();
    }

    public boolean isStackable() {
        return this.getMaxStackSize() > 1 && (!this.g() || !this.i());
    }

    public boolean g() {
        return Item.byId[this.id].getMaxDurability() > 0;
    }

    public boolean usesData() {
        return Item.byId[this.id].n();
    }

    public boolean i() {
        return this.g() && this.damage > 0;
    }

    public int j() {
        return this.damage;
    }

    public int getData() {
        return this.damage;
    }

    public void setData(int i) {
        // CraftBukkit start - Filter out data for items that shouldn't have it
        // The crafting system uses this value for a special purpose so we have to allow it
        if (i == 32767) {
            this.damage = i;
            return;
        }

        if (!(this.usesData() || Item.byId[this.id].usesDurability() || this.id > 255)) {
            i = 0;
        }

        // Filter wool to avoid confusing the client
        if (this.id == Block.WOOL.id) {
            i = Math.min(15, i);
        }
        // CraftBukkit end

        this.damage = i;
        if (this.damage < -1) { // CraftBukkit - don't filter -1, we use it
            this.damage = 0;
        }
    }

    public int l() {
        return Item.byId[this.id].getMaxDurability();
    }

    public boolean isDamaged(int i, Random random) {
        if (!this.g()) {
            return false;
        } else {
            if (i > 0) {
                int j = EnchantmentManager.getEnchantmentLevel(Enchantment.DURABILITY.id, this);
                int k = 0;

                for (int l = 0; j > 0 && l < i; ++l) {
                    if (EnchantmentDurability.a(this, j, random)) {
                        ++k;
                    }
                }

                i -= k;
                if (i <= 0) {
                    return false;
                }
            }

            this.damage += i;
            return this.damage > this.l();
        }
    }

    public void damage(int i, EntityLiving entityliving) {
        if (!(entityliving instanceof EntityHuman) || !((EntityHuman) entityliving).abilities.canInstantlyBuild) {
            if (this.g()) {
                if (this.isDamaged(i, entityliving.aC())) {
                    entityliving.a(this);
                    --this.count;
                    if (entityliving instanceof EntityHuman) {
                        EntityHuman entityhuman = (EntityHuman) entityliving;

                        entityhuman.a(StatisticList.F[this.id], 1);
                        if (this.count == 0 && this.getItem() instanceof ItemBow) {
                            entityhuman.by();
                        }
                    }

                    if (this.count < 0) {
                        this.count = 0;
                    }

                    // CraftBukkit start - Check for item breaking
                    if (this.count == 0 && entityliving instanceof EntityHuman) {
                        org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent((EntityHuman) entityliving, this);
                    }
                    // CraftBukkit end

                    this.damage = 0;
                }
            }
        }
    }

    public void a(EntityLiving entityliving, EntityHuman entityhuman) {
        boolean flag = Item.byId[this.id].a(this, entityliving, (EntityLiving) entityhuman);

        if (flag) {
            entityhuman.a(StatisticList.E[this.id], 1);
        }
    }

    public void a(World world, int i, int j, int k, int l, EntityHuman entityhuman) {
        boolean flag = Item.byId[this.id].a(this, world, i, j, k, l, entityhuman);

        if (flag) {
            entityhuman.a(StatisticList.E[this.id], 1);
        }
    }

    public boolean b(Block block) {
        return Item.byId[this.id].canDestroySpecialBlock(block);
    }

    public boolean a(EntityHuman entityhuman, EntityLiving entityliving) {
        return Item.byId[this.id].a(this, entityhuman, entityliving);
    }

    public ItemStack cloneItemStack() {
        ItemStack itemstack = new ItemStack(this.id, this.count, this.damage);

        if (this.tag != null) {
            itemstack.tag = (NBTTagCompound) this.tag.clone();
        }

        return itemstack;
    }

    public static boolean equals(ItemStack itemstack, ItemStack itemstack1) {
        return itemstack == null && itemstack1 == null ? true : (itemstack != null && itemstack1 != null ? (itemstack.tag == null && itemstack1.tag != null ? false : itemstack.tag == null || itemstack.tag.equals(itemstack1.tag)) : false);
    }

    public static boolean matches(ItemStack itemstack, ItemStack itemstack1) {
        return itemstack == null && itemstack1 == null ? true : (itemstack != null && itemstack1 != null ? itemstack.d(itemstack1) : false);
    }

    private boolean d(ItemStack itemstack) {
        return this.count != itemstack.count ? false : (this.id != itemstack.id ? false : (this.damage != itemstack.damage ? false : (this.tag == null && itemstack.tag != null ? false : this.tag == null || this.tag.equals(itemstack.tag))));
    }

    public boolean doMaterialsMatch(ItemStack itemstack) {
        return this.id == itemstack.id && this.damage == itemstack.damage;
    }

    public String a() {
        return Item.byId[this.id].d(this);
    }

    public static ItemStack b(ItemStack itemstack) {
        return itemstack == null ? null : itemstack.cloneItemStack();
    }

    public String toString() {
        return this.count + "x" + Item.byId[this.id].getName() + "@" + this.damage;
    }

    public void a(World world, Entity entity, int i, boolean flag) {
        if (this.c > 0) {
            --this.c;
        }

        Item.byId[this.id].a(this, world, entity, i, flag);
    }

    public void a(World world, EntityHuman entityhuman, int i) {
        entityhuman.a(StatisticList.D[this.id], i);
        Item.byId[this.id].d(this, world, entityhuman);
    }

    public int n() {
        return this.getItem().d_(this);
    }

    public EnumAnimation o() {
        return this.getItem().c_(this);
    }

    public void b(World world, EntityHuman entityhuman, int i) {
        this.getItem().a(this, world, entityhuman, i);
    }

    public boolean hasTag() {
        return this.tag != null;
    }

    public NBTTagCompound getTag() {
        return this.tag;
    }

    public NBTTagList getEnchantments() {
        return this.tag == null ? null : (NBTTagList) this.tag.get("ench");
    }

    public void setTag(NBTTagCompound nbttagcompound) {
        this.tag = nbttagcompound;
    }

    public String getName() {
        String s = this.getItem().l(this);

        if (this.tag != null && this.tag.hasKey("display")) {
            NBTTagCompound nbttagcompound = this.tag.getCompound("display");

            if (nbttagcompound.hasKey("Name")) {
                s = nbttagcompound.getString("Name");
            }
        }

        return s;
    }

    public void c(String s) {
        if (this.tag == null) {
            this.tag = new NBTTagCompound("tag");
        }

        if (!this.tag.hasKey("display")) {
            this.tag.setCompound("display", new NBTTagCompound());
        }

        this.tag.getCompound("display").setString("Name", s);
    }

    public void t() {
        if (this.tag != null) {
            if (this.tag.hasKey("display")) {
                NBTTagCompound nbttagcompound = this.tag.getCompound("display");

                nbttagcompound.remove("Name");
                if (nbttagcompound.isEmpty()) {
                    this.tag.remove("display");
                    if (this.tag.isEmpty()) {
                        this.setTag((NBTTagCompound) null);
                    }
                }
            }
        }
    }

    public boolean hasName() {
        return this.tag == null ? false : (!this.tag.hasKey("display") ? false : this.tag.getCompound("display").hasKey("Name"));
    }

    public boolean x() {
        return !this.getItem().e_(this) ? false : !this.hasEnchantments();
    }

    public void addEnchantment(Enchantment enchantment, int i) {
        if (this.tag == null) {
            this.setTag(new NBTTagCompound());
        }

        if (!this.tag.hasKey("ench")) {
            this.tag.set("ench", new NBTTagList("ench"));
        }

        NBTTagList nbttaglist = (NBTTagList) this.tag.get("ench");
        NBTTagCompound nbttagcompound = new NBTTagCompound();

        nbttagcompound.setShort("id", (short) enchantment.id);
        nbttagcompound.setShort("lvl", (short) ((byte) i));
        nbttaglist.add(nbttagcompound);
    }

    public boolean hasEnchantments() {
        return this.tag != null && this.tag.hasKey("ench");
    }

    public void a(String s, NBTBase nbtbase) {
        if (this.tag == null) {
            this.setTag(new NBTTagCompound());
        }

        this.tag.set(s, nbtbase);
    }

    public boolean z() {
        return this.getItem().z();
    }

    public boolean A() {
        return this.g != null;
    }

    public void a(EntityItemFrame entityitemframe) {
        this.g = entityitemframe;
    }

    public EntityItemFrame B() {
        return this.g;
    }

    public int getRepairCost() {
        return this.hasTag() && this.tag.hasKey("RepairCost") ? this.tag.getInt("RepairCost") : 0;
    }

    public void setRepairCost(int i) {
        if (!this.hasTag()) {
            this.tag = new NBTTagCompound("tag");
        }

        this.tag.setInt("RepairCost", i);
    }

    public Multimap D() {
        Object object;

        if (this.hasTag() && this.tag.hasKey("AttributeModifiers")) {
            object = HashMultimap.create();
            NBTTagList nbttaglist = this.tag.getList("AttributeModifiers");

            for (int i = 0; i < nbttaglist.size(); ++i) {
                NBTTagCompound nbttagcompound = (NBTTagCompound) nbttaglist.get(i);
                AttributeModifier attributemodifier = GenericAttributes.a(nbttagcompound);

                if (attributemodifier.a().getLeastSignificantBits() != 0L && attributemodifier.a().getMostSignificantBits() != 0L) {
                    ((Multimap) object).put(nbttagcompound.getString("AttributeName"), attributemodifier);
                }
            }
        } else {
            object = this.getItem().h();
        }

        return (Multimap) object;
    }
}