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Allow result of PlayerInteractEvent to be changed when it's cancelled (#3744)

This commit is contained in:
Vincent Lee 2017-04-07 18:38:56 -05:00 committed by LexManos
parent 5ffbbd3b9f
commit 72dd06ca85
7 changed files with 170 additions and 67 deletions
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15
patches/minecraft/net/minecraft/client/multiplayer/PlayerControllerMP.java.patch
View File

@ -108,7 +108,7 @@
+ {
+ // Give the server a chance to fire event as well. That way server event is not dependant on client event.
+ this.field_78774_b.func_147297_a(new CPacketPlayerTryUseItemOnBlock(p_187099_3_, p_187099_4_, p_187099_6_, f, f1, f2));
+ return EnumActionResult.PASS;
+ return event.getCancellationResult();
+ }
+ EnumActionResult result = EnumActionResult.PASS;
+
@ -161,15 +161,16 @@
}
}
}
@@ -457,6 +490,7 @@
@@ -457,6 +490,8 @@
}
else
{
+ if (net.minecraftforge.common.ForgeHooks.onItemRightClick(p_187101_1_, p_187101_3_)) return net.minecraft.util.EnumActionResult.PASS;
+ EnumActionResult cancelResult = net.minecraftforge.common.ForgeHooks.onItemRightClickAction(p_187101_1_, p_187101_3_);
+ if (cancelResult != null) return cancelResult;
int i = itemstack.func_190916_E();
ActionResult<ItemStack> actionresult = itemstack.func_77957_a(p_187101_2_, p_187101_1_, p_187101_3_);
ItemStack itemstack1 = (ItemStack)actionresult.func_188398_b();
@@ -464,6 +498,10 @@
@@ -464,6 +499,10 @@
if (itemstack1 != itemstack || itemstack1.func_190916_E() != i)
{
p_187101_1_.func_184611_a(p_187101_3_, itemstack1);
@ -180,11 +181,13 @@
}
return actionresult.func_188397_a();
@@ -500,6 +538,7 @@
@@ -500,6 +539,9 @@
this.func_78750_j();
Vec3d vec3d = new Vec3d(p_187102_3_.field_72307_f.field_72450_a - p_187102_2_.field_70165_t, p_187102_3_.field_72307_f.field_72448_b - p_187102_2_.field_70163_u, p_187102_3_.field_72307_f.field_72449_c - p_187102_2_.field_70161_v);
this.field_78774_b.func_147297_a(new CPacketUseEntity(p_187102_2_, p_187102_4_, vec3d));
+ if(net.minecraftforge.common.ForgeHooks.onInteractEntityAt(p_187102_1_, p_187102_2_, p_187102_3_, p_187102_4_)) return EnumActionResult.PASS;
+ if (this.field_78779_k == GameType.SPECTATOR) return EnumActionResult.PASS; // don't fire for spectators to match non-specific EntityInteract
+ EnumActionResult cancelResult = net.minecraftforge.common.ForgeHooks.onInteractEntityAtAction(p_187102_1_, p_187102_2_, p_187102_3_, p_187102_4_);
+ if(cancelResult != null) return cancelResult;
return this.field_78779_k == GameType.SPECTATOR ? EnumActionResult.PASS : p_187102_2_.func_184199_a(p_187102_1_, vec3d, p_187102_4_);
}

37
patches/minecraft/net/minecraft/entity/player/EntityPlayer.java.patch
View File

@ -217,15 +217,16 @@
p_70665_2_ = this.func_70672_c(p_70665_1_, p_70665_2_);
float f = p_70665_2_;
p_70665_2_ = Math.max(p_70665_2_ - this.func_110139_bj(), 0.0F);
@@ -1111,6 +1183,7 @@
@@ -1111,6 +1183,8 @@
}
else
{
+ if (net.minecraftforge.common.ForgeHooks.onInteractEntity(this, p_190775_1_, p_190775_2_)) return EnumActionResult.PASS;
+ EnumActionResult cancelResult = net.minecraftforge.common.ForgeHooks.onInteractEntityAction(this, p_190775_1_, p_190775_2_);
+ if (cancelResult != null) return cancelResult;
ItemStack itemstack = this.func_184586_b(p_190775_2_);
ItemStack itemstack1 = itemstack.func_190926_b() ? ItemStack.field_190927_a : itemstack.func_77946_l();
@@ -1120,7 +1193,10 @@
@@ -1120,7 +1194,10 @@
{
itemstack.func_190920_e(itemstack1.func_190916_E());
}
@ -237,7 +238,7 @@
return EnumActionResult.SUCCESS;
}
else
@@ -1136,6 +1212,7 @@
@@ -1136,6 +1213,7 @@
{
if (itemstack.func_190926_b() && !this.field_71075_bZ.field_75098_d)
{
@ -245,7 +246,7 @@
this.func_184611_a(p_190775_2_, ItemStack.field_190927_a);
}
@@ -1161,6 +1238,7 @@
@@ -1161,6 +1239,7 @@
public void func_71059_n(Entity p_71059_1_)
{
@ -253,7 +254,7 @@
if (p_71059_1_.func_70075_an())
{
if (!p_71059_1_.func_85031_j(this))
@@ -1333,11 +1411,13 @@
@@ -1333,11 +1412,13 @@
if (!itemstack1.func_190926_b() && entity instanceof EntityLivingBase)
{
@ -267,7 +268,7 @@
}
}
@@ -1443,6 +1523,8 @@
@@ -1443,6 +1524,8 @@
public EntityPlayer.SleepResult func_180469_a(BlockPos p_180469_1_)
{
@ -276,7 +277,7 @@
EnumFacing enumfacing = (EnumFacing)this.field_70170_p.func_180495_p(p_180469_1_).func_177229_b(BlockHorizontal.field_185512_D);
if (!this.field_70170_p.field_72995_K)
@@ -1484,8 +1566,9 @@
@@ -1484,8 +1567,9 @@
this.func_70105_a(0.2F, 0.2F);
@ -288,7 +289,7 @@
float f1 = 0.5F + (float)enumfacing.func_82601_c() * 0.4F;
float f = 0.5F + (float)enumfacing.func_82599_e() * 0.4F;
this.func_175139_a(enumfacing);
@@ -1532,13 +1615,14 @@
@@ -1532,13 +1616,14 @@
public void func_70999_a(boolean p_70999_1_, boolean p_70999_2_, boolean p_70999_3_)
{
@ -306,7 +307,7 @@
if (blockpos == null)
{
@@ -1547,6 +1631,10 @@
@@ -1547,6 +1632,10 @@
this.func_70107_b((double)((float)blockpos.func_177958_n() + 0.5F), (double)((float)blockpos.func_177956_o() + 0.1F), (double)((float)blockpos.func_177952_p() + 0.5F));
}
@ -317,7 +318,7 @@
this.field_71083_bS = false;
@@ -1565,15 +1653,16 @@
@@ -1565,15 +1654,16 @@
private boolean func_175143_p()
{
@ -337,7 +338,7 @@
{
if (!p_180467_2_)
{
@@ -1588,16 +1677,17 @@
@@ -1588,16 +1678,17 @@
}
else
{
@ -358,7 +359,7 @@
switch (enumfacing)
{
@@ -1637,16 +1727,24 @@
@@ -1637,16 +1728,24 @@
public BlockPos func_180470_cg()
{
@ -385,7 +386,7 @@
if (p_180473_1_ != null)
{
this.field_71077_c = p_180473_1_;
@@ -1841,6 +1939,10 @@
@@ -1841,6 +1940,10 @@
super.func_180430_e(p_180430_1_, p_180430_2_);
}
@ -396,7 +397,7 @@
}
protected void func_71061_d_()
@@ -2041,6 +2143,18 @@
@@ -2041,6 +2144,18 @@
this.field_175152_f = p_71049_1_.field_175152_f;
this.field_71078_a = p_71049_1_.field_71078_a;
this.func_184212_Q().func_187227_b(field_184827_bp, p_71049_1_.func_184212_Q().func_187225_a(field_184827_bp));
@ -415,7 +416,7 @@
}
protected boolean func_70041_e_()
@@ -2145,7 +2259,10 @@
@@ -2145,7 +2260,10 @@
public ITextComponent func_145748_c_()
{
@ -427,7 +428,7 @@
itextcomponent.func_150256_b().func_150241_a(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, "/msg " + this.func_70005_c_() + " "));
itextcomponent.func_150256_b().func_150209_a(this.func_174823_aP());
itextcomponent.func_150256_b().func_179989_a(this.func_70005_c_());
@@ -2154,7 +2271,7 @@
@@ -2154,7 +2272,7 @@
public float func_70047_e()
{
@ -436,7 +437,7 @@
if (this.func_70608_bn())
{
@@ -2370,6 +2487,168 @@
@@ -2370,6 +2488,168 @@
return this.field_71075_bZ.field_75098_d && this.func_70003_b(2, "");
}

2
patches/minecraft/net/minecraft/network/NetHandlerPlayServer.java.patch
View File

@ -38,7 +38,7 @@
else if (p_147340_1_.func_149565_c() == CPacketUseEntity.Action.INTERACT_AT)
{
EnumHand enumhand1 = p_147340_1_.func_186994_b();
+ if(net.minecraftforge.common.ForgeHooks.onInteractEntityAt(field_147369_b, entity, p_147340_1_.func_179712_b(), enumhand1)) return;
+ if(net.minecraftforge.common.ForgeHooks.onInteractEntityAtAction(field_147369_b, entity, p_147340_1_.func_179712_b(), enumhand1) != null) return;
entity.func_184199_a(this.field_147369_b, p_147340_1_.func_179712_b(), enumhand1);
}
else if (p_147340_1_.func_149565_c() == CPacketUseEntity.Action.ATTACK)

15
patches/minecraft/net/minecraft/server/management/PlayerInteractionManager.java.patch
View File

@ -199,18 +199,19 @@
return flag1;
}
}
@@ -330,8 +352,10 @@
@@ -330,8 +352,11 @@
}
else
{
+ if (net.minecraftforge.common.ForgeHooks.onItemRightClick(p_187250_1_, p_187250_4_)) return net.minecraft.util.EnumActionResult.PASS;
+ EnumActionResult cancelResult = net.minecraftforge.common.ForgeHooks.onItemRightClickAction(p_187250_1_, p_187250_4_);
+ if (cancelResult != null) return cancelResult;
int i = p_187250_3_.func_190916_E();
int j = p_187250_3_.func_77960_j();
+ ItemStack copyBeforeUse = p_187250_3_.func_77946_l();
ActionResult<ItemStack> actionresult = p_187250_3_.func_77957_a(p_187250_2_, p_187250_1_, p_187250_4_);
ItemStack itemstack = (ItemStack)actionresult.func_188398_b();
@@ -360,6 +384,7 @@
@@ -360,6 +385,7 @@
if (itemstack.func_190926_b())
{
p_187250_1_.func_184611_a(p_187250_4_, ItemStack.field_190927_a);
@ -218,14 +219,14 @@
}
if (!p_187250_1_.func_184587_cr())
@@ -404,13 +429,23 @@
@@ -404,13 +430,23 @@
}
else
{
- if (!p_187251_1_.func_70093_af() || p_187251_1_.func_184614_ca().func_190926_b() && p_187251_1_.func_184592_cb().func_190926_b())
+ net.minecraftforge.event.entity.player.PlayerInteractEvent.RightClickBlock event = net.minecraftforge.common.ForgeHooks
+ .onRightClickBlock(p_187251_1_, p_187251_4_, p_187251_5_, p_187251_6_, net.minecraftforge.common.ForgeHooks.rayTraceEyeHitVec(p_187251_1_, getBlockReachDistance() + 1));
+ if (event.isCanceled()) return EnumActionResult.PASS;
+ if (event.isCanceled()) return event.getCancellationResult();
+
+ EnumActionResult ret = p_187251_3_.onItemUseFirst(p_187251_1_, p_187251_2_, p_187251_5_, p_187251_4_, p_187251_6_, p_187251_7_, p_187251_8_, p_187251_9_);
+ if (ret != EnumActionResult.PASS) return ret;
@ -245,7 +246,7 @@
}
}
@@ -438,14 +473,20 @@
@@ -438,14 +474,20 @@
{
int j = p_187251_3_.func_77960_j();
int i = p_187251_3_.func_190916_E();
@ -266,7 +267,7 @@
}
}
}
@@ -455,4 +496,13 @@
@@ -455,4 +497,13 @@
{
this.field_73092_a = p_73080_1_;
}

41
src/main/java/net/minecraftforge/common/ForgeHooks.java
View File

@ -1035,25 +1035,56 @@ public class ForgeHooks
return git == null ? null : git.hitVec;
}
// TODO 1.12 remove these three
@Deprecated
public static boolean onInteractEntityAt(EntityPlayer player, Entity entity, RayTraceResult ray, EnumHand hand)
{
Vec3d vec3d = new Vec3d(ray.hitVec.xCoord - entity.posX, ray.hitVec.yCoord - entity.posY, ray.hitVec.zCoord - entity.posZ);
return onInteractEntityAt(player, entity, vec3d, hand);
return onInteractEntityAtAction(player, entity, ray, hand) != null;
}
@Deprecated
public static boolean onInteractEntityAt(EntityPlayer player, Entity entity, Vec3d vec3d, EnumHand hand)
{
return MinecraftForge.EVENT_BUS.post(new PlayerInteractEvent.EntityInteractSpecific(player, hand, entity, vec3d));
return onInteractEntityAtAction(player, entity, vec3d, hand) != null;
}
@Deprecated
public static boolean onInteractEntity(EntityPlayer player, Entity entity, EnumHand hand)
{
return MinecraftForge.EVENT_BUS.post(new PlayerInteractEvent.EntityInteract(player, hand, entity));
return onInteractEntityAction(player, entity, hand) != null;
}
public static EnumActionResult onInteractEntityAtAction(EntityPlayer player, Entity entity, RayTraceResult ray, EnumHand hand)
{
Vec3d vec3d = new Vec3d(ray.hitVec.xCoord - entity.posX, ray.hitVec.yCoord - entity.posY, ray.hitVec.zCoord - entity.posZ);
return onInteractEntityAtAction(player, entity, vec3d, hand);
}
public static EnumActionResult onInteractEntityAtAction(EntityPlayer player, Entity entity, Vec3d vec3d, EnumHand hand)
{
PlayerInteractEvent.EntityInteractSpecific evt = new PlayerInteractEvent.EntityInteractSpecific(player, hand, entity, vec3d);
MinecraftForge.EVENT_BUS.post(evt);
return evt.isCanceled() ? evt.getCancellationResult() : null;
}
public static EnumActionResult onInteractEntityAction(EntityPlayer player, Entity entity, EnumHand hand)
{
PlayerInteractEvent.EntityInteract evt = new PlayerInteractEvent.EntityInteract(player, hand, entity);
MinecraftForge.EVENT_BUS.post(evt);
return evt.isCanceled() ? evt.getCancellationResult() : null;
}
@Deprecated // TODO 1.12 remove
public static boolean onItemRightClick(EntityPlayer player, EnumHand hand)
{
return MinecraftForge.EVENT_BUS.post(new PlayerInteractEvent.RightClickItem(player, hand));
return onItemRightClickAction(player, hand) != null;
}
public static EnumActionResult onItemRightClickAction(EntityPlayer player, EnumHand hand)
{
PlayerInteractEvent.RightClickItem evt = new PlayerInteractEvent.RightClickItem(player, hand);
MinecraftForge.EVENT_BUS.post(evt);
return evt.isCanceled() ? evt.getCancellationResult() : null;
}
public static PlayerInteractEvent.LeftClickBlock onLeftClickBlock(EntityPlayer player, BlockPos pos, EnumFacing face, Vec3d hitVec)

51
src/main/java/net/minecraftforge/event/entity/player/PlayerInteractEvent.java
View File

@ -23,6 +23,7 @@ import com.google.common.base.Preconditions;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.BlockPos;
@ -49,6 +50,7 @@ public class PlayerInteractEvent extends PlayerEvent
private final BlockPos pos;
@Nullable
private final EnumFacing face;
private EnumActionResult cancellationResult = EnumActionResult.PASS;
private PlayerInteractEvent(EntityPlayer player, EnumHand hand, BlockPos pos, @Nullable EnumFacing face)
{
@ -63,11 +65,9 @@ public class PlayerInteractEvent extends PlayerEvent
*
* "Interact at" is an interact where the local vector (which part of the entity you clicked) is known.
* The state of this event affects whether {@link Entity#applyPlayerInteraction} is called.
* If {@link Entity#applyPlayerInteraction} returns {@link net.minecraft.util.EnumActionResult#SUCCESS}, then processing ends.
* Otherwise processing will continue to {@link EntityInteract}
*
* Canceling the event clientside will cause processing to continue to {@link EntityInteract},
* while canceling serverside will simply do no further processing.
* Let result be the return value of {@link Entity#applyPlayerInteraction}, or {@link #cancellationResult} if the event is cancelled.
* If we are on the client and result is not {@link EnumActionResult#SUCCESS}, the client will then try {@link EntityInteract}.
*/
@Cancelable
public static class EntityInteractSpecific extends PlayerInteractEvent
@ -103,14 +103,12 @@ public class PlayerInteractEvent extends PlayerEvent
* This event is fired on both sides when the player right clicks an entity.
* It is responsible for all general entity interactions.
*
* This event is fired completely independently of the above {@link EntityInteractSpecific}, except for the case
* where the above call to {@link Entity#applyPlayerInteraction} returns {@link net.minecraft.util.EnumActionResult#SUCCESS}.
* In that case, general entity interactions, and hence this event, will not be called. See the above javadoc for more details.
*
* This event is fired only if the result of the above {@link EntityInteractSpecific} is not {@link EnumActionResult#SUCCESS}.
* This event's state affects whether {@link Entity#processInitialInteract} and {@link net.minecraft.item.Item#itemInteractionForEntity} are called.
*
* Canceling the event clientside will cause processing to continue to {@link RightClickItem},
* while canceling serverside will simply do no further processing.
* Let result be {@link EnumActionResult#SUCCESS} if {@link Entity#processInitialInteract} or {@link net.minecraft.item.Item#itemInteractionForEntity} return true,
* or {@link #cancellationResult} if the event is cancelled.
* If we are on the client and result is not {@link EnumActionResult#SUCCESS}, the client will then try {@link RightClickItem}.
*/
@Cancelable
public static class EntityInteract extends PlayerInteractEvent
@ -133,7 +131,11 @@ public class PlayerInteractEvent extends PlayerEvent
* This event is fired on both sides whenever the player right clicks while targeting a block.
* This event controls which of {@link net.minecraft.block.Block#onBlockActivated} and/or {@link net.minecraft.item.Item#onItemUse}
* will be called after {@link net.minecraft.item.Item#onItemUseFirst} is called.
* Canceling the event will cause none of the above three to be called.
* Canceling the event will cause none of the above three to be called
*
* Let result be a return value of the above three methods, or {@link #cancellationResult} if the event is cancelled.
* If we are on the client and result is not {@link EnumActionResult#SUCCESS}, the client will then try {@link RightClickItem}.
*
* There are various results to this event, see the getters below.
* Note that handling things differently on the client vs server may cause desynchronizations!
*/
@ -207,9 +209,10 @@ public class PlayerInteractEvent extends PlayerEvent
/**
* This event is fired on both sides before the player triggers {@link net.minecraft.item.Item#onItemRightClick}.
* Note that this is NOT fired if the player is targeting a block. For that case, see {@link RightClickBlock}.
* Canceling the event clientside causes processing to continue to the other hands,
* while canceling serverside will simply do no further processing.
* Note that this is NOT fired if the player is targeting a block {@link RightClickBlock} or entity {@link EntityInteract} {@link EntityInteractSpecific}.
*
* Let result be the return value of {@link net.minecraft.item.Item#onItemRightClick}, or {@link #cancellationResult} if the event is cancelled.
* If we are on the client and result is not {@link EnumActionResult#SUCCESS}, the client will then continue to other hands.
*/
@Cancelable
public static class RightClickItem extends PlayerInteractEvent
@ -381,4 +384,24 @@ public class PlayerInteractEvent extends PlayerEvent
return getWorld().isRemote ? Side.CLIENT : Side.SERVER;
}
/**
* @return The EnumActionResult that will be returned to vanilla if the event is cancelled, instead of calling the relevant
* method of the event. By default, this is {@link EnumActionResult#PASS}, meaning cancelled events will cause
* the client to keep trying more interactions until something works.
*/
public EnumActionResult getCancellationResult()
{
return cancellationResult;
}
/**
* Set the EnumActionResult that will be returned to vanilla if the event is cancelled, instead of calling the relevant
* method of the event.
* Note that this only has an effect on {@link RightClickBlock}, {@link RightClickItem}, {@link EntityInteract}, and {@link EntityInteractSpecific}.
*/
public void setCancellationResult(EnumActionResult result)
{
this.cancellationResult = result;
}
}

76
src/test/java/net/minecraftforge/test/PlayerInteractEventTest.java
View File

@ -5,9 +5,11 @@ import net.minecraft.entity.monster.EntityCreeper;
import net.minecraft.entity.monster.EntitySkeleton;
import net.minecraft.entity.passive.EntityHorse;
import net.minecraft.init.Items;
import net.minecraft.item.ItemBlock;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityChest;
import net.minecraft.tileentity.TileEntityDropper;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumHand;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
@ -49,7 +51,7 @@ public class PlayerInteractEventTest
if (!ENABLE) return;
logger.info("HIT VEC: {}", evt.getHitVec());
if (evt.getItemStack() != null)
if (!evt.getItemStack().isEmpty())
{
if (evt.getItemStack().getItem() == Items.GOLDEN_PICKAXE)
evt.setCanceled(true); // Redstone should not activate and pick should not be able to dig anything
@ -89,22 +91,34 @@ public class PlayerInteractEventTest
// Case: Flint and steel in main hand on top of a TE will light a fire, not open the TE.
// Note that if you do this on a chest, the f+s will fail, but then your off hand will open the chest
// If you dual wield flints and steels and right click a chest nothing should happen
if (evt.getItemStack() != null && evt.getItemStack().getItem() == Items.FLINT_AND_STEEL)
if (!evt.getItemStack().isEmpty() && evt.getItemStack().getItem() == Items.FLINT_AND_STEEL)
evt.setUseBlock(Event.Result.DENY);
// Case: Painting in main hand
// Opening a TE will also place a painting on the TE if possible
if (evt.getHand() == EnumHand.MAIN_HAND && evt.getItemStack() != null && evt.getItemStack().getItem() == Items.PAINTING) {
if (evt.getHand() == EnumHand.MAIN_HAND && !evt.getItemStack().isEmpty() && evt.getItemStack().getItem() == Items.PAINTING) {
evt.setUseItem(Event.Result.ALLOW);
}
// Spawn egg in main hand, block in offhand -> block should be placed
// Sword in main hand, spawn egg in offhand -> nothing should happen
if (evt.getItemStack() != null && evt.getItemStack().getItem() == Items.SPAWN_EGG) {
if (!evt.getItemStack().isEmpty()
&& evt.getItemStack().getItem() == Items.SPAWN_EGG
&& evt.getHand() == EnumHand.MAIN_HAND
&& !evt.getEntityPlayer().getHeldItemOffhand().isEmpty()
&& evt.getEntityPlayer().getHeldItemOffhand().getItem() instanceof ItemBlock) {
evt.setCanceled(true);
}
// Spawn egg in main hand, potion in offhand -> potion should NOT be thrown
if (!evt.getItemStack().isEmpty()
&& evt.getItemStack().getItem() == Items.SPAWN_EGG
&& evt.getHand() == EnumHand.MAIN_HAND
&& !evt.getEntityPlayer().getHeldItemOffhand().isEmpty()
&& evt.getEntityPlayer().getHeldItemOffhand().getItem() == Items.SPLASH_POTION) {
evt.setCanceled(true);
// Fake spawn egg success so splash potion does not trigger
evt.setCancellationResult(EnumActionResult.SUCCESS);
}
}
@SubscribeEvent
@ -112,12 +126,24 @@ public class PlayerInteractEventTest
{
if (!ENABLE) return;
// Use survival mode
// Case: Ender pearl in main hand, block in offhand -> Block is NOT placed
if (!evt.getItemStack().isEmpty()
&& evt.getItemStack().getItem() == Items.ENDER_PEARL
&& evt.getHand() == EnumHand.MAIN_HAND
&& !evt.getEntityPlayer().getHeldItemOffhand().isEmpty()
&& evt.getEntityPlayer().getHeldItemOffhand().getItem() instanceof ItemBlock)
{
evt.setCanceled(true);
evt.setCancellationResult(EnumActionResult.SUCCESS); // We fake success on the ender pearl so block is not placed
return;
}
// Case: Ender pearl in main hand, bow in offhand with arrows in inv -> Bow should trigger
// Case: Sword in main hand, ender pearl in offhand -> Nothing should happen
if (evt.getItemStack() != null && evt.getItemStack().getItem() == Items.ENDER_PEARL)
if (!evt.getItemStack().isEmpty() && evt.getItemStack().getItem() == Items.ENDER_PEARL)
{
evt.setCanceled(true);
}
}
@SubscribeEvent
@ -126,17 +152,27 @@ public class PlayerInteractEventTest
if (!ENABLE) return;
logger.info("LOCAL POS: {}", evt.getLocalPos());
if (evt.getItemStack() != null
if (!evt.getItemStack().isEmpty()
&& evt.getTarget() instanceof EntityArmorStand
&& evt.getItemStack().getItem() == Items.IRON_HELMET)
evt.setCanceled(true); // Should not be able to place iron helmet onto armor stand (you will put it on instead)
if (evt.getWorld().isRemote
if (!evt.getItemStack().isEmpty()
&& evt.getTarget() instanceof EntityArmorStand
&& evt.getItemStack().getItem() == Items.GOLDEN_HELMET)
{
evt.setCanceled(true);
evt.setCancellationResult(EnumActionResult.SUCCESS);
// Should not be able to place golden helmet onto armor stand
// However you will NOT put it on because we fake success on the armorstand.
}
if (!evt.getWorld().isRemote
&& evt.getTarget() instanceof EntitySkeleton
&& evt.getLocalPos().yCoord > evt.getTarget().height / 2.0)
{
// If we right click the upper half of a skeleton it dies.
((EntitySkeleton) evt.getTarget()).setDead();
evt.getTarget().setDead();
evt.setCanceled(true);
}
}
@ -146,10 +182,18 @@ public class PlayerInteractEventTest
{
if (!ENABLE) return;
if (evt.getItemStack() != null && (evt.getTarget() instanceof EntityHorse || evt.getTarget() instanceof EntityCreeper))
if (!evt.getItemStack().isEmpty() && evt.getTarget() instanceof EntityHorse) {
// Should not be able to feed wild horses with golden apple (you will start eating it in survival)
// Should not be able to ignite creeper with F+S
// Applies to both hands
evt.setCanceled(true);
if (evt.getItemStack().getItem() == Items.GOLDEN_APPLE
&& evt.getItemStack().getItemDamage() == 0)
evt.setCanceled(true);
// Should not be able to feed wild horses with notch apple but you will NOT eat it
if (evt.getItemStack().getItem() == Items.GOLDEN_APPLE
&& evt.getItemStack().getItemDamage() == 1)
{
evt.setCanceled(true);
evt.setCancellationResult(EnumActionResult.SUCCESS);
}
}
}
}