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[1.7.10]crash when rendering item on tileEntity

denbukki

By denbukki
in Modder Support

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denbukki Creeper Killer

denbukki

Posted
Posted

i am trying to render a item that is in the inventory of the block on a tileentity/block but when i add the item in the slot it crashes

 

 

ublic class TileentityPedistalRenderer extends TileEntitySpecialRenderer {

        //The model of your block
        private final PedistalModel model;
        
        public TileentityPedistalRenderer() {
                this.model = new PedistalModel();
                customRenderItem = new RenderItem()
    	        {
    	            @Override
    	            public boolean shouldBob()
    	            {
    	                return false;
    	            }
    	        };
        
               
        }
        	private void adjustRotatePivotViaMeta(World world, int x, int y, int z) {
        		  int meta = world.getBlockMetadata(x, y, z);
                  GL11.glRotatef(meta * (90), 0.0F, 1.0F, 0.0F);
        	}
        	
        
        	private final RenderItem customRenderItem;
		private Entity entItem;
        
        
        @Override
        public void renderTileEntityAt(TileEntity te, double x, double y, double z, float scale) {
        	 GL11.glPushMatrix();
             GL11.glTranslatef((float) x + 0.5F, (float) y + 1.5F, (float) z + 0.5F);
                ResourceLocation texture = new ResourceLocation("baublelicious:textures/models/TileentityPedistal.png");
                FMLClientHandler.instance().getClient().renderEngine.bindTexture(texture);                  
                GL11.glPushMatrix();
                GL11.glRotatef(180F, 0.0F, 0.0F, 1.0F);
                GL11.glRotatef(180F, 0.0F, 1.0F, 0.0F);
                adjustRotatePivotViaMeta(te.getWorldObj(), te.xCoord, te.yCoord, te.zCoord);
                this.model.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
                GL11.glPopMatrix();
                GL11.glPopMatrix();
                
                GL11.glPushMatrix();
                TileentityPedistalEntity tileAltar = (TileentityPedistalEntity) te;
                if (tileAltar.getStackInSlot(0) != null)
                {
                    float scaleFactor = getGhostItemScaleFactor(tileAltar.getStackInSlot(0));
                    EntityItem ghostEntityItem = new EntityItem(tileAltar.getWorldObj());
                    ghostEntityItem.hoverStart = 0.0F;
                    ghostEntityItem.setEntityItemStack(tileAltar.getStackInSlot(0));
                    float displacement = 0.2F;

                    if (ghostEntityItem.getEntityItem().getItem() instanceof ItemBlock)
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + displacement + 0.7F, (float) z + 0.5F);
                    } else
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + displacement + 10.4f / 16.0f, (float) z + 0.5F - 0.0625f * 2f);
                    }
                    GL11.glScalef(scaleFactor, scaleFactor, scaleFactor);

                    if (!(ghostEntityItem.getEntityItem().getItem() instanceof ItemBlock))
                    {
                        GL11.glRotatef(90f, 1.0f, 0.0f, 0.0F);
                    }

                    customRenderItem.doRender(ghostEntityItem, 0, 0, 0, 0, 0);
                }
                GL11.glPopMatrix();
        }
              
                private float getGhostItemScaleFactor(ItemStack itemStack)
                {
                    float scaleFactor = 1.5F;

                    if (itemStack != null)
                    {
                        if (itemStack.getItem() instanceof ItemBlock)
                        {
                            switch (customRenderItem.getMiniBlockCount(itemStack, (byte) 1))
                            {
                                case 1:
                                    return 0.90F * scaleFactor;

                                case 2:
                                    return 0.90F * scaleFactor;

                                case 3:
                                    return 0.90F * scaleFactor;

                                case 4:
                                    return 0.90F * scaleFactor;

                                case 5:
                                    return 0.80F * scaleFactor;

                                default:
                                    return 0.90F * scaleFactor;
                            }
                        } else
                        {
                            switch (customRenderItem.getMiniItemCount(itemStack, (byte) 1))
                            {
                                case 1:
                                    return 0.65F * scaleFactor;

                                case 2:
                                    return 0.65F * scaleFactor;

                                case 3:
                                    return 0.65F * scaleFactor;

                                case 4:
                                    return 0.65F * scaleFactor;

                                default:
                                    return 0.65F * scaleFactor;
                            }
                        }
                    }

                    return scaleFactor;
                }

                private float getXDisplacementForSlot(int slot)
                {
                    switch (slot)
                    {
                        case 0:
                            return 0.0f;

                        case 1:
                            return -0.375f;

                        case 2:
                            return -0.125f;

                        case 3:
                            return 0.3125f;

                        case 4:
                            return 0.3125f;

                        case 5:
                            return -0.125f;

                        default:
                            return 0.0f;
                    }
                }

                private float getYDisplacementForSlot(int slot)
                {
                    switch (slot)
                    {
                        case 0:
                            return 0.4f;

                        case 1:
                            return -0.35f;

                        case 6:
                            return 0.4f;

                        default:
                            return -0.35f;
                    }
                }

                private float getZDisplacementForSlot(int slot)
                {
                    switch (slot)
                    {
                        case 0:
                            return 0.0f;

                        case 1:
                            return 0.0f;

                        case 2:
                            return 0.375f;

                        case 3:
                            return 0.25f;

                        case 4:
                            return -0.25f;

                        case 5:
                            return -0.375f;

                        default:
                            return 0.0f;
                    }
                }

                private void translateGhostItemByOrientation(ItemStack ghostItemStack, double x, double y, double z, ForgeDirection forgeDirection)
                {
                    if (ghostItemStack != null)
                    {
                        if (ghostItemStack.getItem() instanceof ItemBlock)
                        {
                            switch (forgeDirection)
                            {
                                case DOWN:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 2.7F, (float) z + 0.5F);
                                    return;
                                }

                                case UP:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.25F, (float) z + 0.5F);
                                    return;
                                }

                                case NORTH:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.5F, (float) z + 0.7F);
                                    return;
                                }

                                case SOUTH:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.5F, (float) z + 0.3F);
                                    return;
                                }

                                case EAST:
                                {
                                    GL11.glTranslatef((float) x + 0.3F, (float) y + 0.5F, (float) z + 0.5F);
                                    return;
                                }

                                case WEST:
                                {
                                    GL11.glTranslatef((float) x + 0.70F, (float) y + 0.5F, (float) z + 0.5F);
                                    return;
                                }

                                case UNKNOWN:
                                {
                                    return;
                                }

                                default:
                                {
                                    return;
                                }
                            }
                        } else
                        {
                            switch (forgeDirection)
                            {
                                case DOWN:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.6F, (float) z + 0.5F);
                                    return;
                                }

                                case UP:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.20F, (float) z + 0.5F);
                                    return;
                                }

                                case NORTH:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.4F, (float) z + 0.7F);
                                    return;
                                }

                                case SOUTH:
                                {
                                    GL11.glTranslatef((float) x + 0.5F, (float) y + 0.4F, (float) z + 0.3F);
                                    return;
                                }

                                case EAST:
                                {
                                    GL11.glTranslatef((float) x + 0.3F, (float) y + 0.4F, (float) z + 0.5F);
                                    return;
                                }

                                case WEST:
                                {
                                    GL11.glTranslatef((float) x + 0.70F, (float) y + 0.4F, (float) z + 0.5F);
                                    return;
                                }

                                case UNKNOWN:
                                {
                                    return;
                                }

                                default:
                                {
                                    return;
                                }
                            }
                        }     
       

 

crash log:

[16:38:47] [Client thread/FATAL]: Reported exception thrown!
net.minecraft.util.ReportedException: Rendering Block Entity
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntityAt(TileEntityRendererDispatcher.java:148) ~[TileEntityRendererDispatcher.class:?]
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntity(TileEntityRendererDispatcher.java:126) ~[TileEntityRendererDispatcher.class:?]
at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:539) ~[RenderGlobal.class:?]
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1300) ~[EntityRenderer.class:?]
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1087) ~[EntityRenderer.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1057) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:951) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:164) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_71]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_71]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78) [start/:?]
at GradleStart.main(GradleStart.java:45) [start/:?]
Caused by: java.lang.NullPointerException
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:245) ~[RenderItem.class:?]
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:772) ~[RenderItem.class:?]
at net.minecraft.client.renderer.entity.Render.bindEntityTexture(Render.java:55) ~[Render.class:?]
at net.minecraft.client.renderer.entity.RenderItem.doRender(RenderItem.java:65) ~[RenderItem.class:?]
at com.baublelicious.blocks.TileentityPedistalRenderer.renderTileEntityAt(TileentityPedistalRenderer.java:86) ~[TileentityPedistalRenderer.class:?]
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntityAt(TileEntityRendererDispatcher.java:141) ~[TileEntityRendererDispatcher.class:?]
... 15 more
[16:38:47] [Client thread/INFO] [sTDOUT]: [net.minecraft.client.Minecraft:displayCrashReport:388]: ---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 31-12-14 16:38
Description: Rendering Block Entity

java.lang.NullPointerException: Rendering Block Entity
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:245)
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:772)
at net.minecraft.client.renderer.entity.Render.bindEntityTexture(Render.java:55)
at net.minecraft.client.renderer.entity.RenderItem.doRender(RenderItem.java:65)
at com.baublelicious.blocks.TileentityPedistalRenderer.renderTileEntityAt(TileentityPedistalRenderer.java:86)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntityAt(TileEntityRendererDispatcher.java:141)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntity(TileEntityRendererDispatcher.java:126)
at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:539)
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1300)
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1087)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1057)
at net.minecraft.client.Minecraft.run(Minecraft.java:951)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78)
at GradleStart.main(GradleStart.java:45)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:245)
at net.minecraft.client.renderer.entity.RenderItem.getEntityTexture(RenderItem.java:772)
at net.minecraft.client.renderer.entity.Render.bindEntityTexture(Render.java:55)
at net.minecraft.client.renderer.entity.RenderItem.doRender(RenderItem.java:65)
at com.baublelicious.blocks.TileentityPedistalRenderer.renderTileEntityAt(TileentityPedistalRenderer.java:86)

-- Block Entity Details --
Details:
Name: TileentityPedistal // com.baublelicious.blocks.TileentityPedistalEntity
Block type: ID #205 (tile.PedistalBlock // com.baublelicious.blocks.TileentityPedistalBlock)
Block data value: 1 / 0x1 / 0b0001
Block location: World: (1435,4,-290), Chunk: (at 11,0,14 in 89,-19; contains blocks 1424,0,-304 to 1439,255,-289), Region: (2,-1; contains chunks 64,-32 to 95,-1, blocks 1024,0,-512 to 1535,255,-1)
Actual block type: ID #205 (tile.PedistalBlock // com.baublelicious.blocks.TileentityPedistalBlock)
Actual block data value: 1 / 0x1 / 0b0001
Stacktrace:
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntityAt(TileEntityRendererDispatcher.java:141)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.renderTileEntity(TileEntityRendererDispatcher.java:126)
at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:539)
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1300)

Draco18s Reality Controller

Draco18s

Posted
Posted

Ok yeah, I am not sure what the problem is, but here's one thing:

EntityItem ghostEntityItem = new EntityItem(tileAltar.getWorldObj());

Don't do that.  You're creating a new entity every time the game renders the world.  Make it once, save it.

 

https://github.com/Draco18s/Artifacts/blob/master/main/java/com/draco18s/artifacts/client/ModelPedestal.java#L60-80

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

denbukki Creeper Killer

denbukki

Posted
  • Author
Posted

Ok yeah, I am not sure what the problem is, but here's one thing:

EntityItem ghostEntityItem = new EntityItem(tileAltar.getWorldObj());

Don't do that.  You're creating a new entity every time the game renders the world.  Make it once, save it.

 

https://github.com/Draco18s/Artifacts/blob/master/main/java/com/draco18s/artifacts/client/ModelPedestal.java#L60-80

 

what then am i sepose to do = null or someting?

Draco18s Reality Controller

Draco18s

Posted
Posted

= null will get you nowhere.

As you can see, it's referencing the public property of the TileEntity.  Thus the value is handled by the TE thusly:

 

https://github.com/Draco18s/Artifacts/blob/master/main/java/com/draco18s/artifacts/entity/TileEntityDisplayPedestal.java#L236-249

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

Draco18s Reality Controller

Draco18s

Posted
Posted

In the code you have shared I do not see anything that would produce an NPE

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

larsgerrits Reality Controller

larsgerrits

Posted
Posted

What's at this line of the code?

at com.baublelicious.blocks.TileentityPedistalRenderer.renderTileEntityAt(TileentityPedistalRenderer.java:86) ~[TileentityPedistalRenderer.class:?]

Don't PM me with questions. They will be ignored! Make a thread on the appropriate board for support.

 

1.12 -> 1.13 primer by williewillus.

 

1.7.10 and older versions of Minecraft are no longer supported due to it's age! Update to the latest version for support.

 

http://www.howoldisminecraft1710.today/

larsgerrits Reality Controller

larsgerrits

Posted
Posted

Put a breakpoint on that line and inspect the values. Either 

customRenderItem

or 

ghostEntityItem

is 

null

.

Don't PM me with questions. They will be ignored! Make a thread on the appropriate board for support.

 

1.12 -> 1.13 primer by williewillus.

 

1.7.10 and older versions of Minecraft are no longer supported due to it's age! Update to the latest version for support.

 

http://www.howoldisminecraft1710.today/

denbukki Creeper Killer

denbukki

Posted
  • Author
Posted

Put a breakpoint on that line and inspect the values. Either 

customRenderItem

or 

ghostEntityItem

is 

null

.

and ghostEntityItem =

 

EntityItem['item.item.hoeDiamond'/31456, l='MpServer', x=0,00, y=0,00, z=0,00]

Draco18s Reality Controller

Draco18s

Posted
Posted

Um.  Yeah.  Don't do this: 

customRenderItem = new RenderItem()

 

Just because you created an instance of that class doesn't mean that all of its properties are set.  The crash isn't happening in your code, it's happening inside RenderItem.  And what's null there?  

renderManager

.  Because creating a new RenderItem doesn't magically make that property defined.

 

Seriously:

 

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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