summaryrefslogtreecommitdiffstats
path: root/src/main/java/net/minecraft/server/ItemInWorldManager.java
blob: 9410b4b7f920f8f0218a8a0e3227cd7134041500 (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
package net.minecraft.server;

// CraftBukkit start
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.Event;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
// CraftBukkit end

public class ItemInWorldManager {

    public World world;
    public EntityPlayer player;
    private EnumGamemode gamemode;
    private boolean d;
    private int lastDigTick;
    private int f;
    private int g;
    private int h;
    private int currentTick;
    private boolean j;
    private int k;
    private int l;
    private int m;
    private int n;
    private int o;

    public ItemInWorldManager(World world) {
        this.gamemode = EnumGamemode.NONE;
        this.o = -1;
        this.world = world;
    }

    // CraftBukkit start - keep this for backwards compatibility
    public ItemInWorldManager(WorldServer world) {
        this((World) world);
    }
    // CraftBukkit end

    public void setGameMode(EnumGamemode enumgamemode) {
        this.gamemode = enumgamemode;
        enumgamemode.a(this.player.abilities);
        this.player.updateAbilities();
    }

    public EnumGamemode getGameMode() {
        return this.gamemode;
    }

    public boolean isCreative() {
        return this.gamemode.d();
    }

    public void b(EnumGamemode enumgamemode) {
        if (this.gamemode == EnumGamemode.NONE) {
            this.gamemode = enumgamemode;
        }

        this.setGameMode(this.gamemode);
    }

    public void a() {
        this.currentTick = (int) (System.currentTimeMillis() / 50); // CraftBukkit
        int i;
        float f;
        int j;

        if (this.j) {
            i = this.currentTick - this.n;
            int k = this.world.getTypeId(this.k, this.l, this.m);

            if (k == 0) {
                this.j = false;
            } else {
                Block block = Block.byId[k];

                f = block.getDamage(this.player, this.player.world, this.k, this.l, this.m) * (float) (i + 1);
                j = (int) (f * 10.0F);
                if (j != this.o) {
                    this.world.g(this.player.id, this.k, this.l, this.m, j);
                    this.o = j;
                }

                if (f >= 1.0F) {
                    this.j = false;
                    this.breakBlock(this.k, this.l, this.m);
                }
            }
        } else if (this.d) {
            i = this.world.getTypeId(this.f, this.g, this.h);
            Block block1 = Block.byId[i];

            if (block1 == null) {
                this.world.g(this.player.id, this.f, this.g, this.h, -1);
                this.o = -1;
                this.d = false;
            } else {
                int l = this.currentTick - this.lastDigTick;

                f = block1.getDamage(this.player, this.player.world, this.f, this.g, this.h) * (float) (l + 1);
                j = (int) (f * 10.0F);
                if (j != this.o) {
                    this.world.g(this.player.id, this.f, this.g, this.h, j);
                    this.o = j;
                }
            }
        }
    }

    public void dig(int i, int j, int k, int l) {
        // this.world.douseFire((EntityHuman) null, i, j, k, l); // CraftBukkit - moved down
        // CraftBukkit
        PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, i, j, k, l, this.player.inventory.getItemInHand());

        if (!this.gamemode.isAdventure() || this.player.f(i, j, k)) {
            // CraftBukkit start
            if (event.isCancelled()) {
                // Let the client know the block still exists
                ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                // Update any tile entity data for this block
                TileEntity tileentity = this.world.getTileEntity(i, j, k);
                if (tileentity != null) {
                    this.player.netServerHandler.sendPacket(tileentity.getUpdatePacket());
                }
                return;
            }
            // CraftBukkit end
            if (this.isCreative()) {
                if (!this.world.douseFire((EntityHuman) null, i, j, k, l)) {
                    this.breakBlock(i, j, k);
                }
            } else {
                this.world.douseFire(this.player, i, j, k, l);
                this.lastDigTick = this.currentTick;
                float f = 1.0F;
                int i1 = this.world.getTypeId(i, j, k);
                // CraftBukkit start - Swings at air do *NOT* exist.
                if (event.useInteractedBlock() == Event.Result.DENY) {
                    // If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
                    if (i1 == Block.WOODEN_DOOR.id) {
                        // For some reason *BOTH* the bottom/top part have to be marked updated.
                        boolean bottom = (this.world.getData(i, j, k) & 8) == 0;
                        ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                        ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j + (bottom ? 1 : -1), k, this.world));
                    } else if (i1 == Block.TRAP_DOOR.id) {
                        ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                    }
                } else if (i1 > 0) {
                    Block.byId[i1].attack(this.world, i, j, k, this.player);
                    // Allow fire punching to be blocked
                    this.world.douseFire((EntityHuman) null, i, j, k, l);
                }

                // Handle hitting a block
                if (i1 > 0) {
                    f = Block.byId[i1].getDamage(this.player, this.world, i, j, k);
                }

                if (event.useItemInHand() == Event.Result.DENY) {
                    // If we 'insta destroyed' then the client needs to be informed.
                    if (f > 1.0f) {
                        ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                    }
                    return;
                }
                org.bukkit.event.block.BlockDamageEvent blockEvent = CraftEventFactory.callBlockDamageEvent(this.player, i, j, k, this.player.inventory.getItemInHand(), f >= 1.0f);

                if (blockEvent.isCancelled()) {
                    // Let the client know the block still exists
                    ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                    return;
                }

                if (blockEvent.getInstaBreak()) {
                    f = 2.0f;
                }
                // CraftBukkit end

                if (i1 > 0 && f >= 1.0F) {
                    this.breakBlock(i, j, k);
                } else {
                    this.d = true;
                    this.f = i;
                    this.g = j;
                    this.h = k;
                    int j1 = (int) (f * 10.0F);

                    this.world.g(this.player.id, i, j, k, j1);
                    this.o = j1;
                }
            }
        }
    }

    public void a(int i, int j, int k) {
        if (i == this.f && j == this.g && k == this.h) {
            this.currentTick = (int) (System.currentTimeMillis() / 50); // CraftBukkit
            int l = this.currentTick - this.lastDigTick;
            int i1 = this.world.getTypeId(i, j, k);

            if (i1 != 0) {
                Block block = Block.byId[i1];
                float f = block.getDamage(this.player, this.player.world, i, j, k) * (float) (l + 1);

                if (f >= 0.7F) {
                    this.d = false;
                    this.world.g(this.player.id, i, j, k, -1);
                    this.breakBlock(i, j, k);
                } else if (!this.j) {
                    this.d = false;
                    this.j = true;
                    this.k = i;
                    this.l = j;
                    this.m = k;
                    this.n = this.lastDigTick;
                }
            }
        // CraftBukkit start - force blockreset to client
        } else {
            ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
            // CraftBukkit end
        }
    }

    public void c(int i, int j, int k) {
        this.d = false;
        this.world.g(this.player.id, this.f, this.g, this.h, -1);
    }

    private boolean d(int i, int j, int k) {
        Block block = Block.byId[this.world.getTypeId(i, j, k)];
        int l = this.world.getData(i, j, k);

        if (block != null) {
            block.a(this.world, i, j, k, l, this.player);
        }

        boolean flag = this.world.setTypeId(i, j, k, 0);

        if (block != null && flag) {
            block.postBreak(this.world, i, j, k, l);
        }

        return flag;
    }

    public boolean breakBlock(int i, int j, int k) {
        // CraftBukkit start
        BlockBreakEvent event = null;

        if (this.player instanceof EntityPlayer) {
            org.bukkit.block.Block block = this.world.getWorld().getBlockAt(i, j, k);

            // Tell client the block is gone immediately then process events
            if (world.getTileEntity(i, j, k) == null) {
                Packet53BlockChange packet = new Packet53BlockChange(i, j, k, this.world);

                packet.material = 0;
                packet.data = 0;
                ((EntityPlayer) this.player).netServerHandler.sendPacket(packet);
            }

            event = new BlockBreakEvent(block, this.player.getBukkitEntity());

            // Adventure mode pre-cancel
            event.setCancelled(this.gamemode.isAdventure() && !this.player.f(i, j, k));

            // Calculate default block experience
            Block nmsBlock = Block.byId[block.getTypeId()];

            if (nmsBlock != null && !event.isCancelled() && !this.isCreative() && this.player.b(nmsBlock)) {
                // Copied from Block.a(world, entityhuman, int, int, int, int)
                if (!(nmsBlock.s_() && EnchantmentManager.hasSilkTouchEnchantment(this.player))) {
                    int data = block.getData();
                    int bonusLevel = EnchantmentManager.getBonusBlockLootEnchantmentLevel(this.player);

                    event.setExpToDrop(nmsBlock.getExpDrop(this.world, data, bonusLevel));
                }
            }

            this.world.getServer().getPluginManager().callEvent(event);

            if (event.isCancelled()) {
                // Let the client know the block still exists
                ((EntityPlayer) this.player).netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
                // Update any tile entity data for this block
                TileEntity tileentity = this.world.getTileEntity(i, j, k);
                if (tileentity != null) {
                    this.player.netServerHandler.sendPacket(tileentity.getUpdatePacket());
                }
                return false;
            }
        }

        if (false) { // Never trigger
            // CraftBukkit end
            return false;
        } else {
            int l = this.world.getTypeId(i, j, k);
            if (Block.byId[l] == null) return false; // CraftBukkit - a plugin set block to air without cancelling
            int i1 = this.world.getData(i, j, k);

            // CraftBukkit start - special case skulls, their item data comes from a tile entity
            if (l == Block.SKULL.id && !this.isCreative()) {
                Block.SKULL.dropNaturally(world, i, j, k, i1, 1.0F, 0);
                return this.d(i, j, k);
            }
            // CraftBukkit end

            this.world.a(this.player, 2001, i, j, k, l + (this.world.getData(i, j, k) << 12));
            boolean flag = this.d(i, j, k);

            if (this.isCreative()) {
                this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, this.world));
            } else {
                ItemStack itemstack = this.player.bT();
                boolean flag1 = this.player.b(Block.byId[l]);

                if (itemstack != null) {
                    itemstack.a(this.world, l, i, j, k, this.player);
                    if (itemstack.count == 0) {
                        this.player.bU();
                    }
                }

                if (flag && flag1) {
                    Block.byId[l].a(this.world, this.player, i, j, k, i1);
                }
            }

            // CraftBukkit start - drop event experience
            if (flag && event != null) {
                Block.byId[l].f(this.world, i, j, k, event.getExpToDrop());
            }
            // CraftBukkit end

            return flag;
        }
    }

    public boolean useItem(EntityHuman entityhuman, World world, ItemStack itemstack) {
        int i = itemstack.count;
        int j = itemstack.getData();
        ItemStack itemstack1 = itemstack.a(world, entityhuman);

        if (itemstack1 == itemstack && (itemstack1 == null || itemstack1.count == i && itemstack1.m() <= 0 && itemstack1.getData() == j)) {
            return false;
        } else {
            entityhuman.inventory.items[entityhuman.inventory.itemInHandIndex] = itemstack1;
            if (this.isCreative()) {
                itemstack1.count = i;
                if (itemstack1.f()) {
                    itemstack1.setData(j);
                }
            }

            if (itemstack1.count == 0) {
                entityhuman.inventory.items[entityhuman.inventory.itemInHandIndex] = null;
            }

            if (!entityhuman.bM()) {
                ((EntityPlayer) entityhuman).updateInventory(entityhuman.defaultContainer);
            }

            return true;
        }
    }

    public boolean interact(EntityHuman entityhuman, World world, ItemStack itemstack, int i, int j, int k, int l, float f, float f1, float f2) {
        int i1 = world.getTypeId(i, j, k);

        // CraftBukkit start - Interact
        boolean result = false;
        if (i1 > 0) {
            PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(entityhuman, Action.RIGHT_CLICK_BLOCK, i, j, k, l, itemstack);
            if (event.useInteractedBlock() == Event.Result.DENY) {
                // If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
                if (i1 == Block.WOODEN_DOOR.id) {
                    boolean bottom = (world.getData(i, j, k) & 8) == 0;
                    ((EntityPlayer) entityhuman).netServerHandler.sendPacket(new Packet53BlockChange(i, j + (bottom ? 1 : -1), k, world));
                }
                result = (event.useItemInHand() != Event.Result.ALLOW);
            } else {
                result = Block.byId[i1].interact(world, i, j, k, entityhuman, l, f, f1, f2);
            }

            if (itemstack != null && !result) {
                int j1 = itemstack.getData();
                int k1 = itemstack.count;

                result = itemstack.placeItem(entityhuman, world, i, j, k, l, f, f1, f2);

                // The item count should not decrement in Creative mode.
                if (this.isCreative()) {
                    itemstack.setData(j1);
                    itemstack.count = k1;
                }
            }

            // If we have 'true' and no explicit deny *or* an explicit allow -- run the item part of the hook
            if (itemstack != null && ((!result && event.useItemInHand() != Event.Result.DENY) || event.useItemInHand() == Event.Result.ALLOW)) {
                this.useItem(entityhuman, world, itemstack);
            }
        }
        return result;
        // CraftBukkit end
    }

    public void a(WorldServer worldserver) {
        this.world = worldserver;
    }
}