public ItemStack func_75144_a(
int p_75144_1_, int p_75144_2_, int p_75144_3_, EntityPlayer p_75144_4_) {
ItemStack var5 = null;
InventoryPlayer var6 = p_75144_4_.field_71071_by;
Slot var7;
ItemStack var8;
int var10;
ItemStack var11;
if ((p_75144_3_ == 0 || p_75144_3_ == 1) && (p_75144_2_ == 0 || p_75144_2_ == 1)) {
if (p_75144_1_ == -999) {
if (var6.func_70445_o() != null && p_75144_1_ == -999) {
if (p_75144_2_ == 0) {
p_75144_4_.func_71021_b(var6.func_70445_o());
var6.func_70437_b((ItemStack) null);
}
if (p_75144_2_ == 1) {
p_75144_4_.func_71021_b(var6.func_70445_o().func_77979_a(1));
if (var6.func_70445_o().field_77994_a == 0) {
var6.func_70437_b((ItemStack) null);
}
}
}
} else if (p_75144_3_ == 1) {
var7 = (Slot) this.field_75151_b.get(p_75144_1_);
if (var7 != null && var7.func_82869_a(p_75144_4_)) {
var8 = this.func_82846_b(p_75144_4_, p_75144_1_);
if (var8 != null) {
int var12 = var8.field_77993_c;
var5 = var8.func_77946_l();
if (var7 != null
&& var7.func_75211_c() != null
&& var7.func_75211_c().field_77993_c == var12) {
this.func_75133_b(p_75144_1_, p_75144_2_, true, p_75144_4_);
}
}
}
} else {
if (p_75144_1_ < 0) {
return null;
}
var7 = (Slot) this.field_75151_b.get(p_75144_1_);
if (var7 != null) {
var8 = var7.func_75211_c();
ItemStack var13 = var6.func_70445_o();
if (var8 != null) {
var5 = var8.func_77946_l();
}
if (var8 == null) {
if (var13 != null && var7.func_75214_a(var13)) {
var10 = p_75144_2_ == 0 ? var13.field_77994_a : 1;
if (var10 > var7.func_75219_a()) {
var10 = var7.func_75219_a();
}
var7.func_75215_d(var13.func_77979_a(var10));
if (var13.field_77994_a == 0) {
var6.func_70437_b((ItemStack) null);
}
}
} else if (var7.func_82869_a(p_75144_4_)) {
if (var13 == null) {
var10 = p_75144_2_ == 0 ? var8.field_77994_a : (var8.field_77994_a + 1) / 2;
var11 = var7.func_75209_a(var10);
var6.func_70437_b(var11);
if (var8.field_77994_a == 0) {
var7.func_75215_d((ItemStack) null);
}
var7.func_82870_a(p_75144_4_, var6.func_70445_o());
} else if (var7.func_75214_a(var13)) {
if (var8.field_77993_c == var13.field_77993_c
&& (!var8.func_77981_g() || var8.func_77960_j() == var13.func_77960_j())
&& ItemStack.func_77970_a(var8, var13)) {
var10 = p_75144_2_ == 0 ? var13.field_77994_a : 1;
if (var10 > var7.func_75219_a() - var8.field_77994_a) {
var10 = var7.func_75219_a() - var8.field_77994_a;
}
if (var10 > var13.func_77976_d() - var8.field_77994_a) {
var10 = var13.func_77976_d() - var8.field_77994_a;
}
var13.func_77979_a(var10);
if (var13.field_77994_a == 0) {
var6.func_70437_b((ItemStack) null);
}
var8.field_77994_a += var10;
} else if (var13.field_77994_a <= var7.func_75219_a()) {
var7.func_75215_d(var13);
var6.func_70437_b(var8);
}
} else if (var8.field_77993_c == var13.field_77993_c
&& var13.func_77976_d() > 1
&& (!var8.func_77981_g() || var8.func_77960_j() == var13.func_77960_j())
&& ItemStack.func_77970_a(var8, var13)) {
var10 = var8.field_77994_a;
if (var10 > 0 && var10 + var13.field_77994_a <= var13.func_77976_d()) {
var13.field_77994_a += var10;
var8 = var7.func_75209_a(var10);
if (var8.field_77994_a == 0) {
var7.func_75215_d((ItemStack) null);
}
var7.func_82870_a(p_75144_4_, var6.func_70445_o());
}
}
}
var7.func_75218_e();
}
}
} else if (p_75144_3_ == 2 && p_75144_2_ >= 0 && p_75144_2_ < 9) {
var7 = (Slot) this.field_75151_b.get(p_75144_1_);
if (var7.func_82869_a(p_75144_4_)) {
var8 = var6.func_70301_a(p_75144_2_);
boolean var9 = var8 == null || var7.field_75224_c == var6 && var7.func_75214_a(var8);
var10 = -1;
if (!var9) {
var10 = var6.func_70447_i();
var9 |= var10 > -1;
}
if (var7.func_75216_d() && var9) {
var11 = var7.func_75211_c();
var6.func_70299_a(p_75144_2_, var11);
if ((var7.field_75224_c != var6 || !var7.func_75214_a(var8)) && var8 != null) {
if (var10 > -1) {
var6.func_70441_a(var8);
var7.func_75215_d((ItemStack) null);
var7.func_82870_a(p_75144_4_, var11);
}
} else {
var7.func_75215_d(var8);
var7.func_82870_a(p_75144_4_, var11);
}
} else if (!var7.func_75216_d() && var8 != null && var7.func_75214_a(var8)) {
var6.func_70299_a(p_75144_2_, (ItemStack) null);
var7.func_75215_d(var8);
}
}
} else if (p_75144_3_ == 3
&& p_75144_4_.field_71075_bZ.field_75098_d
&& var6.func_70445_o() == null
&& p_75144_1_ >= 0) {
var7 = (Slot) this.field_75151_b.get(p_75144_1_);
if (var7 != null && var7.func_75216_d()) {
var8 = var7.func_75211_c().func_77946_l();
var8.field_77994_a = var8.func_77976_d();
var6.func_70437_b(var8);
}
}
return var5;
}
