summaryrefslogtreecommitdiffstats
path: root/nms-patches/Explosion.patch
blob: b9423fd1d95c89cf7d33385b95cd6eeeb66c8b55 (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
--- ../work/decompile-8eb82bde/net/minecraft/server/Explosion.java	2015-02-01 16:12:57.784236937 +1100
+++ src/main/java/net/minecraft/server/Explosion.java	2015-02-01 16:12:57.788236936 +1100
@@ -8,6 +8,12 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
+ 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.Location;
+// CraftBukkit end
 
 public class Explosion {
 
@@ -22,11 +28,12 @@
     private final float size;
     private final List blocks = Lists.newArrayList();
     private final Map k = Maps.newHashMap();
+    public boolean wasCanceled = false; // CraftBukkit - add field
 
     public Explosion(World world, Entity entity, double d0, double d1, double d2, float f, boolean flag, boolean flag1) {
         this.world = world;
         this.source = entity;
-        this.size = f;
+        this.size = (float) Math.max(f, 0.0); // CraftBukkit - clamp bad values
         this.posX = d0;
         this.posY = d1;
         this.posZ = d2;
@@ -35,6 +42,12 @@
     }
 
     public void a() {
+        // CraftBukkit start
+        if (this.size < 0.1F) {
+            return;
+        }
+        // CraftBukkit end
+        
         HashSet hashset = Sets.newHashSet();
         boolean flag = true;
 
@@ -68,7 +81,7 @@
                                 f -= (f2 + 0.3F) * 0.3F;
                             }
 
-                            if (f > 0.0F && (this.source == null || this.source.a(this, this.world, blockposition, iblockdata, f))) {
+                            if (f > 0.0F && (this.source == null || this.source.a(this, this.world, blockposition, iblockdata, f)) && blockposition.getY() < 256 && blockposition.getY() >= 0) { // CraftBukkit - don't wrap explosions
                                 hashset.add(blockposition);
                             }
 
@@ -112,7 +125,17 @@
                         double d12 = (double) this.world.a(vec3d, entity.getBoundingBox());
                         double d13 = (1.0D - d7) * d12;
 
-                        entity.damageEntity(DamageSource.explosion(this), (float) ((int) ((d13 * d13 + d13) / 2.0D * 8.0D * (double) f3 + 1.0D)));
+                        // entity.damageEntity(DamageSource.explosion(this), (float) ((int) ((d13 * d13 + d13) / 2.0D * 8.0D * (double) f3 + 1.0D)));
+                        
+                        // CraftBukkit start
+                        CraftEventFactory.entityDamage = source;
+                        boolean wasDamaged = entity.damageEntity(DamageSource.explosion(this), (float) ((int) ((d13 * d13 + d13) / 2.0D * 8.0D * (double) f3 + 1.0D)));
+                        CraftEventFactory.entityDamage = null;
+                        if (!wasDamaged && !(entity instanceof EntityTNTPrimed || entity instanceof EntityFallingBlock)) {
+                            continue;
+                        }
+                        // CraftBukkit end
+
                         double d14 = EnchantmentProtection.a(entity, d13);
 
                         entity.motX += d8 * d14;
@@ -140,6 +163,35 @@
         BlockPosition blockposition;
 
         if (this.b) {
+            // CraftBukkit start
+            org.bukkit.World bworld = this.world.getWorld();
+            org.bukkit.entity.Entity explode = this.source == null ? null : this.source.getBukkitEntity();
+            Location location = new Location(bworld, this.posX, this.posY, this.posZ);
+
+            List<org.bukkit.block.Block> blockList = Lists.newArrayList();
+            for (int i1 = this.blocks.size() - 1; i1 >= 0; i1--) {
+                BlockPosition cpos = (BlockPosition) this.blocks.get(i1);
+                org.bukkit.block.Block bblock = bworld.getBlockAt(cpos.getX(), cpos.getY(), cpos.getZ());
+                if (bblock.getType() != org.bukkit.Material.AIR) {
+                    blockList.add(bblock);
+                }
+            }
+
+            EntityExplodeEvent event = new EntityExplodeEvent(explode, location, blockList, 0.3F);
+            this.world.getServer().getPluginManager().callEvent(event);
+
+            this.blocks.clear();
+
+            for (org.bukkit.block.Block bblock : event.blockList()) {
+                BlockPosition coords = new BlockPosition(bblock.getX(), bblock.getY(), bblock.getZ());
+                blocks.add(coords);
+            }
+
+            if (event.isCancelled()) {
+                this.wasCanceled = true;
+                return;
+            }
+            // CraftBukkit end
             iterator = this.blocks.iterator();
 
             while (iterator.hasNext()) {
@@ -170,7 +222,8 @@
 
                 if (block.getMaterial() != Material.AIR) {
                     if (block.a(this)) {
-                        block.dropNaturally(this.world, blockposition, this.world.getType(blockposition), 1.0F / this.size, 0);
+                        // CraftBukkit - add yield
+                        block.dropNaturally(this.world, blockposition, this.world.getType(blockposition), event.getYield(), 0);
                     }
 
                     this.world.setTypeAndData(blockposition, Blocks.AIR.getBlockData(), 3);
@@ -184,8 +237,12 @@
 
             while (iterator.hasNext()) {
                 blockposition = (BlockPosition) iterator.next();
-                if (this.world.getType(blockposition).getBlock().getMaterial() == Material.AIR && this.world.getType(blockposition.down()).getBlock().m() && this.c.nextInt(3) == 0) {
-                    this.world.setTypeUpdate(blockposition, Blocks.FIRE.getBlockData());
+                if (this.world.getType(blockposition).getBlock().getMaterial() == Material.AIR && this.world.getType(blockposition.down()).getBlock().m() && this.c.nextInt(3) == 0) {                    
+                    // CraftBukkit start - Ignition by explosion
+                    if (!org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(this.world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this).isCancelled()) {
+                        this.world.setTypeUpdate(blockposition, Blocks.FIRE.getBlockData());
+                    }
+                    // CraftBukkit end
                 }
             }
         }