Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package net.minecraft.server;
2
3import java.io.*;
4import java.util.Iterator;
5
6public class ChunkLoader implements IChunkLoader {
7
8 private File a;
9 private boolean b;
10
11 public ChunkLoader(File file1, boolean flag) {
12 this.a = file1;
13 this.b = flag;
14 }
15
16 private File a(int i, int j) {
17 String s = "c." + Integer.toString(i, 36) + "." + Integer.toString(j, 36) + ".dat";
18 String s1 = Integer.toString(i & 63, 36);
19 String s2 = Integer.toString(j & 63, 36);
20 File file1 = new File(this.a, s1);
21
22 if (!file1.exists()) {
23 if (!this.b) {
24 return null;
25 }
26
27 file1.mkdir();
28 }
29
30 file1 = new File(file1, s2);
31 if (!file1.exists()) {
32 if (!this.b) {
33 return null;
34 }
35
36 file1.mkdir();
37 }
38
39 file1 = new File(file1, s);
40 return !file1.exists() && !this.b ? null : file1;
41 }
42
43 public Chunk a(World world, int i, int j) {
44 File file1 = this.a(i, j);
45
46 if (file1 != null && file1.exists()) {
47 try {
48 FileInputStream fileinputstream = new FileInputStream(file1);
49 NBTTagCompound nbttagcompound = CompressedStreamTools.a((InputStream) fileinputstream);
50
51 if (!nbttagcompound.hasKey("Level")) {
52 System.out.println("Chunk file at " + i + "," + j + " is missing level data, skipping");
53 return null;
54 }
55
56 if (!nbttagcompound.k("Level").hasKey("Blocks")) {
57 System.out.println("Chunk file at " + i + "," + j + " is missing block data, skipping");
58 return null;
59 }
60
61 Chunk chunk = a(world, nbttagcompound.k("Level"));
62
63 if (!chunk.a(i, j)) {
64 System.out.println("Chunk file at " + i + "," + j + " is in the wrong location; relocating. (Expected " + i + ", " + j + ", got " + chunk.x + ", " + chunk.z + ")");
65 nbttagcompound.a("xPos", i);
66 nbttagcompound.a("zPos", j);
67 chunk = a(world, nbttagcompound.k("Level"));
68 }
69
70 chunk.h();
71 return chunk;
72 } catch (Exception exception) {
73 exception.printStackTrace();
74 }
75 }
76
77 return null;
78 }
79
80 public void a(World world, Chunk chunk) {
81 world.k();
82 File file1 = this.a(chunk.x, chunk.z);
83
84 if (file1.exists()) {
85 WorldData worlddata = world.q();
86
87 worlddata.b(worlddata.g() - file1.length());
88 }
89
90 try {
91 File file2 = new File(this.a, "tmp_chunk.dat");
92 FileOutputStream fileoutputstream = new FileOutputStream(file2);
93 NBTTagCompound nbttagcompound = new NBTTagCompound();
94 NBTTagCompound nbttagcompound1 = new NBTTagCompound();
95
96 nbttagcompound.a("Level", (NBTBase) nbttagcompound1);
97 a(chunk, world, nbttagcompound1);
98 CompressedStreamTools.a(nbttagcompound, (OutputStream) fileoutputstream);
99 fileoutputstream.close();
100 if (file1.exists()) {
101 file1.delete();
102 }
103
104 file2.renameTo(file1);
105 WorldData worlddata1 = world.q();
106
107 worlddata1.b(worlddata1.g() + file1.length());
108 } catch (Exception exception) {
109 exception.printStackTrace();
110 }
111 }
112
113 public static void a(Chunk chunk, World world, NBTTagCompound nbttagcompound) {
114 world.k();
115 nbttagcompound.a("xPos", chunk.x);
116 nbttagcompound.a("zPos", chunk.z);
117 nbttagcompound.setLong("LastUpdate", world.getTime());
118 nbttagcompound.a("Blocks", chunk.b);
119 nbttagcompound.a("Data", chunk.e.a);
120 nbttagcompound.a("SkyLight", chunk.f.a);
121 nbttagcompound.a("BlockLight", chunk.g.a);
122 nbttagcompound.a("HeightMap", chunk.heightMap);
123 nbttagcompound.a("TerrainPopulated", chunk.done);
124 chunk.q = false;
125 NBTTagList nbttaglist = new NBTTagList();
126
127 Iterator iterator;
128 NBTTagCompound nbttagcompound1;
129
130 for (int i = 0; i < chunk.entitySlices.length; ++i) {
131 iterator = chunk.entitySlices[i].iterator();
132
133 while (iterator.hasNext()) {
134 Entity entity = (Entity) iterator.next();
135
136 chunk.q = true;
137 nbttagcompound1 = new NBTTagCompound();
138 if (entity.c(nbttagcompound1)) {
139 nbttaglist.a((NBTBase) nbttagcompound1);
140 }
141 }
142 }
143
144 nbttagcompound.a("Entities", (NBTBase) nbttaglist);
145 NBTTagList nbttaglist1 = new NBTTagList();
146
147 iterator = chunk.tileEntities.values().iterator();
148
149 while (iterator.hasNext()) {
150 TileEntity tileentity = (TileEntity) iterator.next();
151
152 nbttagcompound1 = new NBTTagCompound();
153 tileentity.b(nbttagcompound1);
154 nbttaglist1.a((NBTBase) nbttagcompound1);
155 }
156
157 nbttagcompound.a("TileEntities", (NBTBase) nbttaglist1);
158 }
159
160 public static Chunk a(World world, NBTTagCompound nbttagcompound) {
161 int i = nbttagcompound.e("xPos");
162 int j = nbttagcompound.e("zPos");
163 Chunk chunk = new Chunk(world, i, j);
164
165 chunk.b = nbttagcompound.j("Blocks");
166 chunk.e = new NibbleArray(nbttagcompound.j("Data"));
167 chunk.f = new NibbleArray(nbttagcompound.j("SkyLight"));
168 chunk.g = new NibbleArray(nbttagcompound.j("BlockLight"));
169 chunk.heightMap = nbttagcompound.j("HeightMap");
170 chunk.done = nbttagcompound.m("TerrainPopulated");
171 if (!chunk.e.a()) {
172 chunk.e = new NibbleArray(chunk.b.length);
173 }
174
175 if (chunk.heightMap == null || !chunk.f.a()) {
176 chunk.heightMap = new byte[256];
177 chunk.f = new NibbleArray(chunk.b.length);
178 chunk.initLighting();
179 }
180
181 if (!chunk.g.a()) {
182 chunk.g = new NibbleArray(chunk.b.length);
183 chunk.a();
184 }
185
186 NBTTagList nbttaglist = nbttagcompound.l("Entities");
187
188 if (nbttaglist != null) {
189 for (int k = 0; k < nbttaglist.c(); ++k) {
190 NBTTagCompound nbttagcompound1 = (NBTTagCompound) nbttaglist.a(k);
191 Entity entity = EntityTypes.a(nbttagcompound1, world);
192
193 chunk.q = true;
194 if (entity != null) {
195 chunk.a(entity);
196 }
197 }
198 }
199
200 NBTTagList nbttaglist1 = nbttagcompound.l("TileEntities");
201
202 if (nbttaglist1 != null) {
203 for (int l = 0; l < nbttaglist1.c(); ++l) {
204 NBTTagCompound nbttagcompound2 = (NBTTagCompound) nbttaglist1.a(l);
205 TileEntity tileentity = TileEntity.c(nbttagcompound2);
206
207 if (tileentity != null) {
208 chunk.a(tileentity);
209 }
210 }
211 }
212
213 return chunk;
214 }
215
216 public void a() {
217 }
218
219 public void b() {
220 }
221
222 public void b(World world, Chunk chunk) {
223 }
224}