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NullPointException with a TileEntity


XoxoForKing

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Sooo...I am literally new to the world of modders, have been a constant mod user but never dived inside the programming of mods, until yesterday that I started a project-tutorial based on videos that, looking at these forums, seem to be quite "popular" since I've read about many complaining about them (may I be not completely an horrible programmer?).

This is also my first time ever typing in a forum, so please go easy on me. ?

Alright, gotta speak about the problem. Long story short, I've made a sort of furnace (which is called "electric" but still it is not), with the gui and I guess everything needed BUT once in game if I right-click on it to open the gui it doesn't work, and if I repeat that action for a couple times it actually crashes the game. Will ya give me some help understanding the problem? I almost copied (literally ctrl+c - ctrl+v) the classes that I saw too different, but still in the video works but in my game doesn't.

I'mma paste the error log and the files under here, hoping not to put anything in the wrong way.

 

Log:

[01:40:18] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:23] [pool-2-thread-1/WARN] [mojang/YggdrasilMinecraftSessionService]: Couldn't look up profile properties for com.mojang.authlib.GameProfile@5fc07f75[id=d566deca-6b21-32cb-af90-4edf09eeac2e,name=Player312,properties={},legacy=false]
com.mojang.authlib.exceptions.AuthenticationException: The client has sent too many requests within a certain amount of time
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:79) ~[YggdrasilAuthenticationService.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:180) [YggdrasilMinecraftSessionService.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService$1.load(YggdrasilMinecraftSessionService.java:60) [YggdrasilMinecraftSessionService$1.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService$1.load(YggdrasilMinecraftSessionService.java:57) [YggdrasilMinecraftSessionService$1.class:?]
	at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3716) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2424) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2298) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2211) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache.get(LocalCache.java:4154) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4158) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:5147) [guava-21.0.jar:?]
	at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:5153) [guava-21.0.jar:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:170) [YggdrasilMinecraftSessionService.class:?]
	at net.minecraft.client.Minecraft.getProfileProperties(Minecraft.java:3181) [Minecraft.class:?]
	at net.minecraft.client.resources.SkinManager$3.run(SkinManager.java:138) [SkinManager$3.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_201]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_201]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_201]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
[01:40:25] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:41] [Server thread/WARN] [minecraft/MinecraftServer]: Can't keep up! Did the system time change, or is the server overloaded? Running 4882ms behind, skipping 97 tick(s)
[01:40:41] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:43] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:43] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:43] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:44] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
	at com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace.<init>(ContainerElectricFurnace.java:23) ~[ContainerElectricFurnace.class:?]
	at com.luciusforking.techvariety.util.handlers.GuiHandler.getServerGuiElement(GuiHandler.java:16) ~[GuiHandler.class:?]
	at net.minecraftforge.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:253) ~[NetworkRegistry.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:88) ~[FMLNetworkHandler.class:?]
	at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2809) ~[EntityPlayer.class:?]
	at com.luciusforking.techvariety.blocks.machines.BlockElectricFurnace.onBlockActivated(BlockElectricFurnace.java:56) ~[BlockElectricFurnace.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.processRightClickBlock(PlayerInteractionManager.java:475) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processTryUseItemOnBlock(NetHandlerPlayServer.java:769) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:68) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.processPacket(CPacketPlayerTryUseItemOnBlock.java:13) ~[CPacketPlayerTryUseItemOnBlock.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_201]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_201]
	at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]
	... 5 more
[01:40:46] [Server thread/INFO] [minecraft/IntegratedServer]: Saving and pausing game...
[01:40:46] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'New World'/overworld
[01:41:27] [Server thread/INFO] [minecraft/MinecraftServer]: Stopping server
[01:41:27] [Server thread/INFO] [minecraft/MinecraftServer]: Saving players
[01:41:27] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: Player312 lost connection: Disconnected
[01:41:27] [Server thread/INFO] [minecraft/MinecraftServer]: Player312 left the game
[01:41:27] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: Stopping singleplayer server as player logged out
[01:41:27] [Server thread/INFO] [minecraft/MinecraftServer]: Saving worlds
[01:41:27] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'New World'/overworld
[01:41:29] [Server thread/INFO] [FML]: Unloading dimension 0
[01:41:29] [Server thread/INFO] [FML]: Applying holder lookups
[01:41:29] [Server thread/INFO] [FML]: Holder lookups applied
[01:41:31] [main/INFO] [minecraft/Minecraft]: Stopping!

 

Block:

package com.luciusforking.techvariety.blocks.machines;

import java.util.Random;

import com.luciusforking.techvariety.Main;
import com.luciusforking.techvariety.blocks.BlockBase;
import com.luciusforking.techvariety.init.ModBlocks;
import com.luciusforking.techvariety.util.Reference;

import net.minecraft.block.BlockHorizontal;
import net.minecraft.block.ITileEntityProvider;
import net.minecraft.block.SoundType;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumBlockRenderType;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.Mirror;
import net.minecraft.util.Rotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public class BlockElectricFurnace extends BlockBase implements ITileEntityProvider{
	
	public static final PropertyDirection FACING=BlockHorizontal.FACING;
	public static final PropertyBool BURNING=PropertyBool.create("burning");
	
	public BlockElectricFurnace(String name) {
		super(name, Material.IRON);
		setSoundType(SoundType.METAL);
		this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH).withProperty(BURNING, false));
	}
	
	@Override
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		return Item.getItemFromBlock(ModBlocks.ELECTRIC_FURNACE);
	}
	
	@Override
	public ItemStack getItem(World worldIn, BlockPos pos, IBlockState state) {
		return new ItemStack(ModBlocks.ELECTRIC_FURNACE);
	}
	
	@Override
	public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
		if(!worldIn.isRemote) {
			playerIn.openGui(Main.instance, Reference.GUI_ELECTRIC_FURNACE, worldIn, pos.getX(), pos.getY(), pos.getZ());
		}
		return true;
	}
	
	@Override
	public void onBlockAdded(World worldIn, BlockPos pos, IBlockState state) {
		if(!worldIn.isRemote) {
			IBlockState north=worldIn.getBlockState(pos.north());
			IBlockState south=worldIn.getBlockState(pos.south());
			IBlockState west=worldIn.getBlockState(pos.west());
			IBlockState east=worldIn.getBlockState(pos.east());
			EnumFacing face=(EnumFacing)state.getValue(FACING);
			
			if(face==EnumFacing.NORTH && north.isFullBlock() && !south.isFullBlock()) face =EnumFacing.SOUTH;
			else if(face==EnumFacing.SOUTH && !north.isFullBlock() && south.isFullBlock()) face =EnumFacing.NORTH;
			else if(face==EnumFacing.WEST && west.isFullBlock() && !east.isFullBlock()) face =EnumFacing.EAST;
			else if(face==EnumFacing.EAST && !west.isFullBlock() && east.isFullBlock()) face =EnumFacing.WEST;
			worldIn.setBlockState(pos, state.withProperty(FACING,  face), 2);
		}
	}

	public static void setState(boolean active, World worldIn, BlockPos pos) {
		IBlockState state=worldIn.getBlockState(pos);
		TileEntity tileEntity=worldIn.getTileEntity(pos);
		
		if(active) worldIn.setBlockState(pos, ModBlocks.ELECTRIC_FURNACE.getDefaultState().withProperty(FACING,  state.getValue(FACING)).withProperty(BURNING, true), 3);
		else worldIn.setBlockState(pos, ModBlocks.ELECTRIC_FURNACE.getDefaultState().withProperty(FACING,  state.getValue(FACING)).withProperty(BURNING, false), 3);
		
		if(tileEntity != null) {
			tileEntity.validate();
			worldIn.setTileEntity(pos, tileEntity);
		}
	}
	
	@Override
	public boolean hasTileEntity(IBlockState state) {
		return true;
	}
	
	@Override
	public TileEntity createNewTileEntity(World worldIn, int meta) {
		return new TileEntityElectricFurnace();
	}
	
	@Override 
	public IBlockState getStateForPlacement(World world, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer, EnumHand hand) {
		return this.getDefaultState().withProperty(FACING,  placer.getHorizontalFacing().getOpposite());
	}
	
	@Override
	public void onBlockPlacedBy(World worldIn, BlockPos pos, IBlockState state, EntityLivingBase placer, ItemStack stack) {
		worldIn.setBlockState(pos, this.getDefaultState().withProperty(FACING,  placer.getHorizontalFacing().getOpposite()), 2);
	}
	
	@Override
	public EnumBlockRenderType getRenderType(IBlockState state) {
		return EnumBlockRenderType.MODEL;
	}
	
	@Override
	public IBlockState withRotation(IBlockState state, Rotation rot) {
		return state.withProperty(FACING, rot.rotate((EnumFacing)state.getValue(FACING)));
	}
	
	@Override 
	public IBlockState withMirror(IBlockState state, Mirror mirrorIn) {
		return state.withRotation(mirrorIn.toRotation((EnumFacing)state.getValue(FACING)));
	}
	
	@Override
	public BlockStateContainer createBlockState() {
		return new BlockStateContainer(this, new IProperty[] {BURNING, FACING});
	}
	
	@Override
	public IBlockState getStateFromMeta(int meta) {
		EnumFacing facing=EnumFacing.getFront(meta);
		if(facing.getAxis()==EnumFacing.Axis.Y) facing=EnumFacing.NORTH;
		return this.getDefaultState().withProperty(FACING,  facing);
	}
	
	@Override
	public int getMetaFromState(IBlockState state) {
		return ((EnumFacing)state.getValue(FACING)).getIndex();
	}
	
}

 

TileEntity:

package com.luciusforking.techvariety.blocks.machines;

import com.luciusforking.techvariety.init.ModBlocks;
import com.luciusforking.techvariety.init.ModItems;

import net.minecraft.block.Block;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.util.text.TextComponentString;
import net.minecraft.util.text.TextComponentTranslation;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import net.minecraftforge.items.CapabilityItemHandler;
import net.minecraftforge.items.ItemStackHandler;

public class TileEntityElectricFurnace extends TileEntity implements ITickable
{
	private ItemStackHandler handler = new ItemStackHandler(4);
	private String customName;
	private ItemStack smelting = ItemStack.EMPTY;
	
	private int burnTime;
	private int currentBurnTime;
	private int cookTime;
	private int totalCookTime = 200;

	@Override
	public boolean hasCapability(Capability<?> capability, EnumFacing facing) 
	{
		if(capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY) return true;
		else return false;
	}
	
	@Override
	public <T> T getCapability(Capability<T> capability, EnumFacing facing) 
	{
		if(capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY) return (T) this.handler;
		return super.getCapability(capability, facing);
	}
	
	public boolean hasCustomName() 
	{
		return this.customName != null && !this.customName.isEmpty();
	}
	
	public void setCustomName(String customName) 
	{
		this.customName = customName;
	}
	
	@Override
	public ITextComponent getDisplayName() 
	{
		return this.hasCustomName() ? new TextComponentString(this.customName) : new TextComponentTranslation("container.sintering_furnace");
	}
	
	@Override
	public void readFromNBT(NBTTagCompound compound)
	{
		super.readFromNBT(compound);
		this.handler.deserializeNBT(compound.getCompoundTag("Inventory"));
		this.burnTime = compound.getInteger("BurnTime");
		this.cookTime = compound.getInteger("CookTime");
		this.totalCookTime = compound.getInteger("CookTimeTotal");
		this.currentBurnTime = getItemBurnTime((ItemStack)this.handler.getStackInSlot(2));
		
		if(compound.hasKey("CustomName", 8)) this.setCustomName(compound.getString("CustomName"));
	}
	
	@Override
	public NBTTagCompound writeToNBT(NBTTagCompound compound) 
	{
		super.writeToNBT(compound);
		compound.setInteger("BurnTime", (short)this.burnTime);
		compound.setInteger("CookTime", (short)this.cookTime);
		compound.setInteger("CookTimeTotal", (short)this.totalCookTime);
		compound.setTag("Inventory", this.handler.serializeNBT());
		
		if(this.hasCustomName()) compound.setString("CustomName", this.customName);
		return compound;
	}
	
	public boolean isBurning() 
	{
		return this.burnTime > 0;
	}
	
	@SideOnly(Side.CLIENT)
	public static boolean isBurning(TileEntityElectricFurnace te) 
	{
		return te.getField(0) > 0;
	}
	
	public void update() 
	{	
		if(this.isBurning())
		{
			--this.burnTime;
			BlockElectricFurnace.setState(true, world, pos);
		}
		
		ItemStack[] inputs = new ItemStack[] {handler.getStackInSlot(0), handler.getStackInSlot(1)};
		ItemStack fuel = this.handler.getStackInSlot(2);
		
		if(this.isBurning() || !fuel.isEmpty() && !this.handler.getStackInSlot(0).isEmpty() || this.handler.getStackInSlot(1).isEmpty())
		{
			if(!this.isBurning() && this.canSmelt())
			{
				this.burnTime = getItemBurnTime(fuel);
				this.currentBurnTime = burnTime;
				
				if(this.isBurning() && !fuel.isEmpty())
				{
					Item item = fuel.getItem();
					fuel.shrink(1);
					
					if(fuel.isEmpty())
					{
						ItemStack item1 = item.getContainerItem(fuel);
						this.handler.setStackInSlot(2, item1);
					}
				}
			}
		}
		
		if(this.isBurning() && this.canSmelt() && cookTime > 0)
		{
			cookTime++;
			if(cookTime == totalCookTime)
			{
				if(handler.getStackInSlot(3).getCount() > 0)
				{
					handler.getStackInSlot(3).grow(1);
				}
				else
				{
					handler.insertItem(3, smelting, false);
				}
				
				smelting = ItemStack.EMPTY;
				cookTime = 0;
				return;
			}
		}
		else
		{
			if(this.canSmelt() && this.isBurning())
			{
				ItemStack output = ElectricFurnaceRecipes.getInstance().getResult(inputs[0], inputs[1]);
				if(!output.isEmpty())
				{
					smelting = output;
					cookTime++;
					inputs[0].shrink(1);
					inputs[1].shrink(1);
					handler.setStackInSlot(0, inputs[0]);
					handler.setStackInSlot(1, inputs[1]);
				}
			}
		}
	}
	
	private boolean canSmelt() 
	{
		if(((ItemStack)this.handler.getStackInSlot(0)).isEmpty() || ((ItemStack)this.handler.getStackInSlot(1)).isEmpty()) return false;
		else 
		{
			ItemStack result = ElectricFurnaceRecipes.getInstance().getResult((ItemStack)this.handler.getStackInSlot(0), (ItemStack)this.handler.getStackInSlot(1));	
			if(result.isEmpty()) return false;
			else
			{
				ItemStack output = (ItemStack)this.handler.getStackInSlot(3);
				if(output.isEmpty()) return true;
				if(!output.isItemEqual(result)) return false;
				int res = output.getCount() + result.getCount();
				return res <= 64 && res <= output.getMaxStackSize();
			}
		}
	}
	
	public static int getItemBurnTime(ItemStack fuel) {
		if(fuel.isEmpty()) return 0;
		else {
			Item item=fuel.getItem();
			
			if(item instanceof ItemBlock && Block.getBlockFromItem(item) != Blocks.AIR) {
				Block block=Block.getBlockFromItem(item);
				
				if(block==ModBlocks.RUBY_BLOCK) return 32000;
			}
			
			if(item == ModItems.RUBY) return 3200;
			if(item == Items.BLAZE_ROD) return 2400;
			
			return 0;
		}
	}
		
	public static boolean isItemFuel(ItemStack fuel)
	{
		return getItemBurnTime(fuel) > 0;
	}
	
	public boolean isUsableByPlayer(EntityPlayer player) 
	{
		return this.world.getTileEntity(this.pos) != this ? false : player.getDistanceSq((double)this.pos.getX() + 0.5D, (double)this.pos.getY() + 0.5D, (double)this.pos.getZ() + 0.5D) <= 64.0D;
	}

	public int getField(int id) 
	{
		switch(id) 
		{
		case 0:
			return this.burnTime;
		case 1:
			return this.currentBurnTime;
		case 2:
			return this.cookTime;
		case 3:
			return this.totalCookTime;
		default:
			return 0;
		}
	}

	public void setField(int id, int value) 
	{
		switch(id) 
		{
		case 0:
			this.burnTime = value;
			break;
		case 1:
			this.currentBurnTime = value;
			break;
		case 2:
			this.cookTime = value;
			break;
		case 3:
			this.totalCookTime = value;
		}
	}
}

 

Container:

package com.luciusforking.techvariety.blocks.machines;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.IContainerListener;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import net.minecraftforge.items.CapabilityItemHandler;
import net.minecraftforge.items.IItemHandler;
import net.minecraftforge.items.SlotItemHandler;

public class ContainerElectricFurnace extends Container
{
	private final TileEntityElectricFurnace tileentity;
	private int cookTime, totalCookTime, burnTime, currentBurnTime;
	
	public ContainerElectricFurnace(InventoryPlayer player, TileEntityElectricFurnace tileentity) 
	{
		this.tileentity = tileentity;
		IItemHandler handler = tileentity.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null);
		this.addSlotToContainer(new SlotItemHandler(handler, 0, 25, 10));
		this.addSlotToContainer(new SlotItemHandler(handler, 1, 53, 10));
		this.addSlotToContainer(new SlotItemHandler(handler, 2, 39, 39));
		this.addSlotToContainer(new SlotItemHandler(handler, 3, 102, 25));
		
		for(int y = 0; y < 3; y++)
		{
			for(int x = 0; x < 9; x++)
			{
				this.addSlotToContainer(new Slot(player, x + y*9 + 9, 8 + x*18, 84 + y*18));
			}
		}
		
		for(int x = 0; x < 9; x++)
		{
			this.addSlotToContainer(new Slot(player, x, 8 + x * 18, 142));
		}
	}
	
	@Override
	public void detectAndSendChanges() 
	{
		super.detectAndSendChanges();
		
		for(int i = 0; i < this.listeners.size(); ++i) 
		{
			IContainerListener listener = (IContainerListener)this.listeners.get(i);
			
			if(this.cookTime != this.tileentity.getField(2)) listener.sendWindowProperty(this, 2, this.tileentity.getField(2));
			if(this.burnTime != this.tileentity.getField(0)) listener.sendWindowProperty(this, 0, this.tileentity.getField(0));
			if(this.currentBurnTime != this.tileentity.getField(1)) listener.sendWindowProperty(this, 1, this.tileentity.getField(1));
			if(this.totalCookTime != this.tileentity.getField(3)) listener.sendWindowProperty(this, 3, this.tileentity.getField(3));
		}
		
		this.cookTime = this.tileentity.getField(2);
		this.burnTime = this.tileentity.getField(0);
		this.currentBurnTime = this.tileentity.getField(1);
		this.totalCookTime = this.tileentity.getField(3);
	}
	
	@Override
	@SideOnly(Side.CLIENT)
	public void updateProgressBar(int id, int data) 
	{
		this.tileentity.setField(id, data);
	}
	
	@Override
	public boolean canInteractWith(EntityPlayer playerIn) 
	{
		return this.tileentity.isUsableByPlayer(playerIn);
	}
	
	@Override
	public ItemStack transferStackInSlot(EntityPlayer playerIn, int index) 
	{
		ItemStack stack = ItemStack.EMPTY;
		Slot slot = (Slot)this.inventorySlots.get(index);
		
		if(slot != null && slot.getHasStack()) 
		{
			ItemStack stack1 = slot.getStack();
			stack = stack1.copy();
			
			if(index == 3) 
			{
				if(!this.mergeItemStack(stack1, 4, 40, true)) return ItemStack.EMPTY;
				slot.onSlotChange(stack1, stack);
			}
			else if(index != 2 && index != 1 && index != 0) 
			{		
				Slot slot1 = (Slot)this.inventorySlots.get(index + 1);
				
				if(!ElectricFurnaceRecipes.getInstance().getResult(stack1, slot1.getStack()).isEmpty())
				{
					if(!this.mergeItemStack(stack1, 0, 2, false)) 
					{
						return ItemStack.EMPTY;
					}
					else if(TileEntityElectricFurnace.isItemFuel(stack1))
					{
						if(!this.mergeItemStack(stack1, 2, 3, false)) return ItemStack.EMPTY;
					}
					else if(TileEntityElectricFurnace.isItemFuel(stack1))
					{
						if(!this.mergeItemStack(stack1, 2, 3, false)) return ItemStack.EMPTY;
					}
					else if(TileEntityElectricFurnace.isItemFuel(stack1))
					{
						if(!this.mergeItemStack(stack1, 2, 3, false)) return ItemStack.EMPTY;
					}
					else if(index >= 4 && index < 31)
					{
						if(!this.mergeItemStack(stack1, 31, 40, false)) return ItemStack.EMPTY;
					}
					else if(index >= 31 && index < 40 && !this.mergeItemStack(stack1, 4, 31, false))
					{
						return ItemStack.EMPTY;
					}
				}
			} 
			else if(!this.mergeItemStack(stack1, 4, 40, false)) 
			{
				return ItemStack.EMPTY;
			}
			if(stack1.isEmpty())
			{
				slot.putStack(ItemStack.EMPTY);
			}
			else
			{
				slot.onSlotChanged();

			}
			if(stack1.getCount() == stack.getCount()) return ItemStack.EMPTY;
			slot.onTake(playerIn, stack1);
		}
		return stack;
	}
}

 

And for last, Gui:

package com.luciusforking.techvariety.blocks.machines;

import com.luciusforking.techvariety.util.Reference;

import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.util.ResourceLocation;

public class GuiElectricFurnace extends GuiContainer{
	private static final ResourceLocation TEXTURES=new ResourceLocation(Reference.MOD_ID+":textures/gui/electric_furnace.png");
	private final InventoryPlayer player;
	private final TileEntityElectricFurnace tileEntity;
	
	public GuiElectricFurnace(InventoryPlayer player, TileEntityElectricFurnace tileEntity) {
		super(new ContainerElectricFurnace(player, tileEntity));
		this.player=player;
		this.tileEntity=tileEntity;
	}
	
	@Override
	protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY) {
		String tileName=this.tileEntity.getDisplayName().getUnformattedText();
		this.fontRenderer.drawString(tileName, (this.xSize/2 - this.fontRenderer.getStringWidth(tileName)/2) + 3, 8, 4210752);
		this.fontRenderer.drawString(this.player.getDisplayName().getUnformattedText(), 122, this.ySize-96+2, 4210752);
	}
	
	@Override
	protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY) {
		GlStateManager.color(1.0f, 1.0f, 1.0f);
		this.mc.getTextureManager().bindTexture(TEXTURES);
		this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
		
		if(TileEntityElectricFurnace.isBurning(tileEntity)){
			int k=this.getBurnLeftScaled(13);
			this.drawTexturedModalRect(this.guiLeft+37, this.guiTop+22+12-k, 132, 12-k, 14, k+1);
		}
		int l=this.getCookProgressionScaled(25);
		this.drawTexturedModalRect(this.guiLeft+65, this.guiTop+19+25, 132, 14, l+1, 16);
	}
	
	private int getBurnLeftScaled(int pixels) {
		int i= this.tileEntity.getField(1);
		if(i==0) i=200;
		return this.tileEntity.getField(0)*pixels/i;
	}
	
	private int getCookProgressionScaled(int pixels) {
		int i=this.tileEntity.getField(2);
		int j=this.tileEntity.getField(3);
		return j!=0 && i!=0 ? i*pixels/j:0;
	}
}

 

Thank you a lot for your time, and sorry again for the mess that I may have done, from which I seem to not be able to escape. ?

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1. Can you post your code as a GitHub repo?

2. If not, please post your GuiHandler.

3. ITileEntityProvider is legacy vanilla code and should not be used. Override Block#hasTileEntity and Block#createTileEntity instead.

4. BlockBase is bad. Do not abuse inheritance.

5. Judging from the usage of outdated code and unnecessary overriding, you seem to be following a terrible tutorial. I would suggest ditching it.

 

24 minutes ago, XoxoForKing said:

seem to be quite "popular" since I've read about many complaining about them

"Hitler is famous, so I should follow whatever he does."

"Famous for something bad" is a reason of why you should not follow it.

Edited by DavidM

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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5 minutes ago, DavidM said:

please post your GuiHandler.

Sure thing, here it is.

package com.luciusforking.techvariety.util.handlers;

import com.luciusforking.techvariety.blocks.machines.ContainerElectricFurnace;
import com.luciusforking.techvariety.blocks.machines.GuiElectricFurnace;
import com.luciusforking.techvariety.blocks.machines.TileEntityElectricFurnace;
import com.luciusforking.techvariety.util.Reference;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.network.IGuiHandler;

public class GuiHandler implements IGuiHandler{
	@Override
	public Object getServerGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
		if(ID==Reference.GUI_ELECTRIC_FURNACE) return new ContainerElectricFurnace(player.inventory, (TileEntityElectricFurnace)world.getTileEntity(new BlockPos(x,y,x)));
		return null;
	}
	
	@Override
	public Object getClientGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
		if(ID==Reference.GUI_ELECTRIC_FURNACE) return new GuiElectricFurnace(player.inventory, (TileEntityElectricFurnace)world.getTileEntity(new BlockPos(x,y,x)));
		return null;
	}
}

 

6 minutes ago, DavidM said:

ITileEntityProvider is legacy vanilla code and should not be used. Override Block#hasTileEntity and Block#createTileEntity instead.

Uhmm understood, I will take care of it.

 

7 minutes ago, DavidM said:

BlockBase is bad. Do not abuse inheritance.

What do you mean? Why not, and is it the only "bad" part? ?

 

8 minutes ago, DavidM said:

Judging from the usage of outdated code and unnecessary overriding, you seem to be following a terrible tutorial. I would suggest ditching it.

 

"Hitler is famous, so I should follow whatever he does."

"Famous for something bad" is a reason of why you should not follow it.

Sure I will not anymore, I looked at those video tutorials before googling about the errors those brought me, because I didn't find many tutorials that I found not too complicated (for my personal knowledge). I asked here because I hoped that it wouldn't take as much as restart everything from scratch, starting from searching a good tutorial.

 

Thank you for your answer, I'll start for removing that ITileEntityProvider for now.

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3 minutes ago, XoxoForKing said:

Why not

 

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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6 minutes ago, DavidM said:

 

Oh well my bad, thanks, so in simple words it is suggested to avoid all those "base" classes, and instead everything that would've been put in them should be put in a registry class, whose methods would be called on objects' construction, did I get it right?

 

Ps: the other tutorials I was following were the ones that they criticized, guess I gotta do some deep research to find the best tutorials. ?

Edited by XoxoForKing
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