TechGuy's Modding Tutorials

#4491 Sep 3, 2012
Xjurwi
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Does anyone know how to make a block generate on the surface?

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#4492 Sep 3, 2012
skyress2000
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Quote from Xjurwi

Does anyone know how to make a block generate on the surface?

If you mean like only on land, what I did is before it placed the block it used world.getBlockId to see if the block it would place it on was dirt and then the location that it was being placed in was air.

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#4493 Sep 3, 2012
Koadmaster
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Quote from b0mbshellAntics

Seriously? Why? I hope you realize that the mods'll never let you release that, and I doubt anyone will help you.

Well, I have seen some pretty nasty mods out there, but I would still recommend that he simply make a different mod, because even if the mods did let it stay, you would get a very small amount of people that would download it.
That being said; I will not assist in the creation of a mod that encourages something that is against my values.

Quote from ZeroLevels

You've most likely misplaced a texture file for your mod. A lot of people are under the impression that you need to put the textures into the .jar, but this is false. You simply need to put the textures in Your MCP Directory > bin > minecraft. It'd probably be better to place your textures within its own folder in there. Let's say we call this folder "Example". (You can call it whatever, as long as your code reflects that)

So your textures would be in Your MCP Directory > bin > minecraft > Example

Let's just assume you're trying to add a block. I'll call it blockExample. A texture override at that point would look like this;

blockExample.blockIndexInTexture = ModLoader.addOverride("/terrain.png", "/Example/blockExample.png");

Hope that helps.

Dude, you are a moderator, congrats
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#4494 Sep 3, 2012
Xjurwi
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This is probably a simple problem but somethings wrong with my crafting recipe, The game crashes when I load it.
Coding:

ModLoader.addRecipe(new ItemStack(CreeperBerry, 1), new Object [] {"#", Character.valueOf('#'), Item.CreeperBerrySeed});

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#4495 Sep 3, 2012
Koadmaster
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Quote from Xjurwi

This is probably a simple problem but somethings wrong with my crafting recipe, The game crashes when I load it.
Coding:

ModLoader.addRecipe(new ItemStack(CreeperBerry, 1), new Object [] {"#", Character.valueOf('#'), Item.CreeperBerrySeed});

Um, you should try making that recipe shapeless...

ModLoader.addShapelessRecipe(new ItemStack(CreeperBerry, 1), new Object [] {Item.CreeperBerrySeed});

Oh, and use the code tags, the button with the blue "<>"s on it
Last edited by Koadmaster: Sep 3, 2012

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#4497 Sep 3, 2012
Primo_Selwyn
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Quote from Hyrax77

Something that has to do with the crafting recipe keeps crashing the client. Any help would be appreciated.

Same thing as Koadmaster posted. Should be,

ModLoader.addShapelessRecipe(new ItemStack(CrystalPowder, 4), new Object [] {Item.CrystalFragment});
Last edited by Primo_Selwyn: Sep 3, 2012

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#4498 Sep 4, 2012
MagmaLair
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Quote from b0mbshellAntics

Seriously? Why? I hope you realize that the mods'll never let you release that, and I doubt anyone will help you.

Dunno. I just want my flowers!

You do realize this a mod right? Do you get angry at Betheda Studios because you can take phsyco in Fallout? If you can I still think you should help him with his coding, as long as it does not contain content that makes fun of this subject.

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#4499 Sep 4, 2012

MagmaLair

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package net.minecraft.src;
import java.util.List;
import java.util.Random;
public class BlockGlass_Stairs extends Block
{
 public static final int[][] field_72159_a = new int[][] {{2, 6}, {3, 7}, {2, 3}, {6, 7}, {0, 4}, {1, 5}, {0, 1}, {4, 5}};
 public boolean field_72156_cr = false;
 private int field_72160_cs = 0;
 protected BlockGlass_Stairs(int i, int j)
 {
  super(i, j, Material.glass);
  this.setLightOpacity(0);
  this.setCreativeTab(CreativeTabs.tabBlock);
 }
 public void setBlockBoundsBaseOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
 {
  if (this.field_72156_cr)
  {
   this.setBlockBounds(0.5F * (float)(this.field_72160_cs % 2), 0.5F * (float)(this.field_72160_cs / 2 % 2), 0.5F * (float)(this.field_72160_cs / 4 % 2), 0.5F + 0.5F * (float)(this.field_72160_cs % 2), 0.5F + 0.5F * (float)(this.field_72160_cs / 2 % 2), 0.5F + 0.5F * (float)(this.field_72160_cs / 4 % 2));
  }
  else
  {
   this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
  }
  
 }
 public boolean isOpaqueCube()
 {
  return false;
 }
 public boolean randerAsNormalBlock()
 {
  return false;
 }
 public int genRenderType()
 {
  return 10;
 }
 public void addCollidingBlockToList(World par1World, int par2, int par3, int par4, AxisAlignedBB par5AxisAlignedBB, List par6List, Entity par7Entity)
 {
  int var8 = par1World.getBlockMetadata(par2, par3, par4);
  int var9 = var8 & 3;
  float var10 = 0.0f;
  float var11 = 0.5f;
  float var12 = 0.5f;
  float var13 = 1.0f;
  if ((var8 & 4) != 0)
  {
   var10 = 0.5f;
   var11 = 1.0f;
   var12 = 0.0f;
   var13 = 0.5f;
   
  }
    this.setBlockBounds(0.0F, var10, 0.0F, 1.0F, var11, 1.0F);
    super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
    if (var9 == 0)
  {
    this.setBlockBounds(0.5F, var12, 0.0F, 1.0F, var13, 1.0F);
   super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
  }
  else if (var9 == 1)
  {
   this.setBlockBounds(0.0F, var12, 0.0F, 0.5F, var13, 1.0F);
   super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
  }
  else if (var9 == 2)
  {
   this.setBlockBounds(0.0F, var12, 0.5F, 1.0F, var13, 1.0F);
   super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
  }
  else if (var9 == 3)
  {
   this.setBlockBounds(0.0F, var12, 0.0F, 1.0F, var13, 0.5F);
   super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
  }		
  this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
 }
public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
 {
 int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;
 int var7 = par1World.getBlockMetadata(par2, par3, par4) & 4;
 if (var6 == 0)
  {
  par1World.setBlockMetadataWithNotify(par2, par3, par4, 2 | var7);
  }
 if (var6 == 1)
  {
  par1World.setBlockMetadataWithNotify(par2, par3, par4, 1 | var7);
  }
 if (var6 == 2)
  {
  par1World.setBlockMetadataWithNotify(par2, par3, par4, 3 | var7);
  }
 if (var6 == 3)
  {
  par1World.setBlockMetadataWithNotify(par2, par3, par4, 0 | var7);
  }
 }
public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8)
 {
 if (par5 == 0 || par5 != 1 && (double)par7 > 0.5D)
  {
  int var9 = par1World.getBlockMetadata(par2, par3, par4);
  par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 | 4);
  }
 }
public MovingObjectPosition collisionRayTrace(World par1World, int par2, int par3, int par4, Vec3 par5Vec3, Vec3 par6Vec3)
 {
  MovingObjectPosition[] var7 = new MovingObjectPosition[8];
  int var8 = par1World.getBlockMetadata(par2, par3, par4);
  int var9 = var8 & 3;
  boolean var10 = (var8 & 4) == 4;
  int[] var11 = field_72159_a[var9 + (var10 ? 4 : 0)];
  this.field_72156_cr = true;
  int var14;
  int var15;
  int var16;
  for (int var12 = 0; var12 < 8; ++var12)
  {
   this.field_72160_cs = var12;
   int[] var13 = var11;
   var14 = var11.length;
   for (var15 = 0; var15 < var14; ++var15)
   {
	var16 = var13[var15];
	if (var16 == var12)
	{
	 ;
	}
   }
   var7[var12] = super.collisionRayTrace(par1World, par2, par3, par4, par5Vec3, par6Vec3);
  }
  int[] var21 = var11;
  int var24 = var11.length;
  for (var14 = 0; var14 < var24; ++var14)
  {
   var15 = var21[var14];
   var7[var15] = null;
  }
  MovingObjectPosition var23 = null;
  double var22 = 0.0D;
  MovingObjectPosition[] var25 = var7;
  var16 = var7.length;
  for (int var17 = 0; var17 < var16; ++var17)
  {
   MovingObjectPosition var18 = var25[var17];
   if (var18 != null)
   {
	double var19 = var18.hitVec.squareDistanceTo(par6Vec3);
	if (var19 > var22)
	{
	 var23 = var18;
	 var22 = var19;
	}
   }
  }
  return var23;
 }
}

It's probably something simple, but it is beyond me.

It got burried again.

Last edited by MagmaLair: Sep 4, 2012

#4500 Sep 4, 2012
Primo_Selwyn
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Quote from MagmaLair

It got burried again.

Can you supply an error code?

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#4501 Sep 4, 2012

mac2937

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was trying to make a cookie block but i got these errors help?

== ERRORS FOUND ==
src/minecraft/net/minecraft/src/mod_cb.java:4: net.minecraft.src.mod_cb is not abstract and does not override abstract method load() in net.minecraft.src.BaseMod
public class mod_cb extends BaseMod
	   ^
src/minecraft/net/minecraft/src/mod_cb.java:10: cannot find symbol
symbol  : variable Modloader
location: class net.minecraft.src.mod_cb
  cookieBlock.blockIndexInTexture = Modloader.addOverride("/terrain.png","/CookieBlock.png");
								    ^
src/minecraft/net/minecraft/src/mod_cb.java:11: cannot find symbol
symbol  : variable Modloader
location: class net.minecraft.src.mod_cb
  Modloader.registerBlock(cookieBlock);
  ^
src/minecraft/net/minecraft/src/mod_cb.java:12: cannot find symbol
symbol  : variable Modloader
location: class net.minecraft.src.mod_cb
  Modloader.addName(cookieBlock, "CookieBlock");
  ^
src/minecraft/net/minecraft/src/mod_cb.java:13: cannot find symbol
symbol  : variable Modloader
location: class net.minecraft.src.mod_cb
  Modloader.addRecipe(new ItemStack(cookieBlock, 1), new Object []{
  ^
5 errors
==================

btw heres the code

package net.minecraft.src;
import java.util.Random;
public class mod_cb extends BaseMod
{
public static final Block cookieBlock = new BlockCookie(155,0).setHardness(0.1F).setResistance(5.0F).setBlockName("CB");
public mod_cb()
{
  cookieBlock.blockIndexInTexture = Modloader.addOverride("/terrain.png","/CookieBlock.png");
  Modloader.registerBlock(cookieBlock);
  Modloader.addName(cookieBlock, "CookieBlock");
  Modloader.addRecipe(new ItemStack(cookieBlock, 1), new Object []{
	  "**", Character.valueOf('*'), Block.dirt
  });
}


public String getVersion()
{
return "1345124077000";
}
}

#4502 Sep 4, 2012
Primo_Selwyn
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Quote from mac2937

was trying to make a cookie block but i got these errors help?

Modloader should be ModLoader. Capitalization and spelling are crucial.

You are missing a load method. Instead of mod_cb() it should be load().
Never change that no matter what the reason.

Should look like this

public void load() { cookieBlock.blockIndexInTexture = Modloader.addOverride("/terrain.png","/CookieBlock.png"); Modloader.registerBlock(cookieBlock); Modloader.addName(cookieBlock, "CookieBlock"); Modloader.addRecipe(new ItemStack(cookieBlock, 1), new Object []{ "**", Character.valueOf('*'), Block.dirt }); }
Last edited by Primo_Selwyn: Sep 4, 2012

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#4503 Sep 4, 2012
mac2937
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Quote from Primo_Selwyn

Modloader should be ModLoader. Capitalization and spelling are crucial.

You are missing a load method. Instead of mod_cb() it should be load().
Never change that no matter what the reason.

Should look like this

public void load() { cookieBlock.blockIndexInTexture = Modloader.addOverride("/terrain.png","/CookieBlock.png"); Modloader.registerBlock(cookieBlock); Modloader.addName(cookieBlock, "CookieBlock"); Modloader.addRecipe(new ItemStack(cookieBlock, 1), new Object []{ "**", Character.valueOf('*'), Block.dirt }); }

thanks it works now
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#4504 Sep 4, 2012
mac2937
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how do i make it so if i put it back into the crafting grid it makes 9 cookies?

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#4506 Sep 4, 2012
Xjurwi
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Here's my Crafting recipe code:

ModLoader.addShapelessRecipe(new ItemStack(CreeperBerry, 1), new Object [] {Item.CreeperBerrySeed});

What am I doing Wrong?
The Game Crashes when I load it.
Last edited by Xjurwi: Sep 4, 2012

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#4507 Sep 4, 2012
Koadmaster
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Quote from Xjurwi

Here's my Crafting recipe code:

ModLoader.addShapelessRecipe(new ItemStack(CreeperBerry, 1), new Object [] {Item.CreeperBerrySeed});

What am I doing Wrong?
The Game Crashes when I load it.

What is the crash report...
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#4510 Sep 4, 2012
Xjurwi
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Quote from Koadmaster

What is the crash report...

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; ModLoader has failed to initialize.
This error has been saved to C:\Users\Josh\Desktop\The Runic Mod\Files\Files from MCP\jars\.\crash-reports\crash-2012-09-04_18.37.15-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.

--- BEGIN ERROR REPORT a594c222 --------
Generated 9/4/12 6:37 PM

- Minecraft Version: 1.3.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_05, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 955305424 bytes (911 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
- JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
- ModLoader: Mods loaded: 19
ModLoader 1.3.2
mod_CandyCrystal 1.3.2
mod_CandyCrystalRed 1.3.2
mod_CreeperBerry 1.3.2
mod_CreeperBerryBush 1.3.2
mod_CreeperBerrySeed 1.3.2
mod_FireRubyDust 1.3.2
mod_FireRubyOre 1.3.2
mod_GravitestCrystal 1.3.2
mod_GravitestOre 1.3.2
mod_MBlueS 1.3.1
mod_MGS 1.3.1
mod_MRedS 1.3.1
mod_MYellowS 1.3.1
mod_MythicStoneBlack 1.3.1
mod_Orange 1.3.2
mod_runic 1.3.2
mod_RunicGem 1.3.2
mod_RunicOre 1.3.2

java.lang.Error: Unresolved compilation problem:
CreeperBerrySeed cannot be resolved or is not a field

at net.minecraft.src.mod_CreeperBerry.load(mod_CreeperBerry.java:11)
at net.minecraft.src.ModLoader.init(ModLoader.java:952)
at net.minecraft.src.ModLoader.addAllRenderers(ModLoader.java:186)
at net.minecraft.src.RenderManager.<init>(RenderManager.java:86)
at net.minecraft.src.RenderManager.<clinit>(RenderManager.java:14)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:404)
at net.minecraft.client.Minecraft.run(Minecraft.java:724)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT ef20cfbb ----------

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#4511 Sep 4, 2012

Xjurwi

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Quote from Saphir09

If you use an item you added with modloader in a crafting recipe, you have to type "yourItem" instead of "Item.yourItem"

for Xjurwi:

ModLoader.addShapelessRecipe(new ItemStack(CreeperBerry, 1), new Object [] {CreeperBerrySeed});

and for Hyrax77:

ModLoader.addShapelessRecipe(new ItemStack(CrystalPowder, 4), new Object [] {CrystalFragment});

Here's my coding:

package net.minecraft.src;
public class mod_CreeperBerry extends BaseMod
{
public static final Item CreeperBerry = new ItemFood(2012, 4, 1F, false).setItemName("CreeperBerry");
public void load()
{
CreeperBerry.iconIndex = ModLoader.addOverride("/gui/items.png", "/CreeperBerry.png");
		 ModLoader.addName(CreeperBerry, "CreeperBerry");
		 ModLoader.addShapelessRecipe(new ItemStack(CreeperBerry, 1), new Object [] {youritem.CreeperBerrySeed});
		
}
public String getVersion()
{
		 return "1.3.2";
}
}

Still doesn't work, Either I'm a failure at modding or something else is the problem, but I'm still not getting it..

Last edited by Xjurwi: Sep 4, 2012

#4513 Sep 4, 2012
Dragonphly77
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Quote from Xjurwi

-snip-

You haven't even defined CreeperBerrySeed yet. That's what's causing the crash and the shapeless recipe not to work. Define it and it'll work.

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#4515 Sep 4, 2012
Primo_Selwyn
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Quote from Hyrax77

How does one obtain such a definition of said item? I'm having a similar issue with the recipes and such.

You didn't define your CrystalFragment block. It's set to null. It's like me telling you to make a pizza, with just flour. Go ahead and define your CrystalFragment block first. Then try again.

For example, here is a definition for an ore block of mine.

public static final Block Valkyrie = new Block(160,0, Material.rock).setBlockName("Valkyrie").setHardness(10F).setResistance(4F);

Now, if this is going to be an actual block, it will be different. Eg; it's a cube of 9 items (like diamond.)
It will be lacking the Material class. But I would suggest looking at TechGuy's guide for Blocks.
Last edited by Primo_Selwyn: Sep 4, 2012

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#4517 Sep 4, 2012
Primo_Selwyn
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Quote from Hyrax77

Like this?
I don't fully understand what I'm suppose to stick where. It keeps saying something about the craftmanager. Am I suppose to put a recipe in the craftmanager.java?

Wait, wait, wait. No. That's not right. You don't have to do this under a new Java file.
In fact, you shouldn't be doing that at all. You do the new Items or Blocks, recipes, etc in your mod_CrystalPowder. Here, your mod_CrystalPowder should look like this.

package net.minecraft.src;
public class mod_CrystalPowder extends BaseMod
{
public static final Item CrystalPowder = new ItemCrystalPowder(4001).setItemName("CrystalPowder");
public static final Block CrystalFragment = new BlockCrystalFragment(160, 0).setBlockName("CrystalFragment").setHardness(3F).setResistance(4F).setCreativeTab(CreativeTabs.tabBlock);
public void load()
{
CrystalPowder.iconIndex = ModLoader.addOverride("/gui/items.png", "/crystalpowder.png");
ModLoader.addName(CrystalPowder, "Crystal Powder");
ModLoader.addShapelessRecipe(new ItemStack(CrystalPowder, 4), new Object [] {CrystalFragment});
}
public String getVersion()
{
return "1.3.2";
}
}

This is what I mean. See how your old Block Crystal Fragment has changed? Now instead of it being null, and having no definition, it is defined. Thus, the mod knows what to do with it.

Last edited by Primo_Selwyn: Sep 4, 2012

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