OBJ model has default texture

Xumuk · August 20, 2018

Hello eweryone!
The loading of the mtl library. More precisely, it works, but the texture of it is not loaded.

The model is loaded, but the texture is not. Forge does not throw an error. Only the notification that the texture I use for my model is not supported and is skipping.

My MC version - 1.12.2

Loading the model like this:

   public static void registerRenderObj(Block block) {
         ModelLoader.setCustomModelResourceLocation(Item.getItemFromBlock(block),0, new ModelResourceLocation(new ResourceLocation(block.getRegistryName().getResourceDomain(), block.getRegistryName().getResourcePath().concat(".obj")),"inventory"));
    }

Spoiler

#this is mtl-lib. appletop.png - basic 16px texture
# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
# File Created: 12.08.2018 19:45:17

newmtl 01___Default
   Ns 10.0000
   Ni 1.5000
   d 1.0000
   Tr 0.0000
   Tf 1.0000 1.0000 1.0000
   illum 2
   Ka 0.5882 0.5882 0.5882
   Kd 0.5882 0.5882 0.5882
   Ks 0.0000 0.0000 0.0000
   Ke 0.0000 0.0000 0.0000
   map_Ka realism:textures\blocks\appletop.png
   map_Kd realism:textures\blocks\appletop.png

I export the model like this:

854405302_bandicam2018-08-0400-25-17-518.jpg.8babb0da4d2519c270f4b41e85ec8735.jpg

Edited August 20, 2018 by Xumuk

Draco18s · August 20, 2018

1) Your block isn't at the correct origin. Minecraft block origins are the bottom, north, west corner.

2) Its scale is likely wrong. It needs to fit within a 1x1x1 unit volume within your modeling program.

Xumuk · August 20, 2018

19 minutes ago, Draco18s said:

1) Your block isn't at the correct origin. Minecraft block origins are the bottom, north, west corner.

2) Its scale is likely wrong. It needs to fit within a 1x1x1 unit volume within your modeling program.

Your advice didn't help.

The model is now less than one block size, located inside the coordinates 1x1x1, but still has no texture.

Edited August 20, 2018 by Xumuk

Draco18s · August 20, 2018

There's also a problem with the texture, but yes, those two things are also problems.

Xumuk · August 20, 2018

# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
# File Created: 20.08.2018 18:34:47

newmtl 01___Default
	Ns 10.0000
	Ni 1.5000
	d 1.0000
	Tr 0.0000
	Tf 1.0000 1.0000 1.0000 
	illum 2
	Ka 0.5882 0.5882 0.5882
	Kd 0.5882 0.5882 0.5882
	Ks 0.0000 0.0000 0.0000
	Ke 0.0000 0.0000 0.0000
	map_Ka realism:textures\blocks\appletop.png
	map_Kd realism:textures\blocks\appletop.png

Maybe the wrong way to textures?

Draco18s · August 20, 2018

I don't know how the textures work for OBJ models.

☀☀☀ · August 21, 2018

21 hours ago, Xumuk said:

Maybe the wrong way to textures?

Xumuk · August 21, 2018

I'm use custom name. But still does not work

31728362_bandicam2018-08-2122-32-01-026.jpg.da7cd07f9480087a68ab23c474f2c394.jpg

☀☀☀ · August 21, 2018

7 minutes ago, Xumuk said:

I'm use custom name. But still does not work

map_Kd realism:textures\blocks\appletop should be without ".png"

Xumuk · August 21, 2018

1 hour ago, ☀☀☀ said:

map_Kd realism:textures\blocks\appletop should be without ".png"

It didn't help me

DouYanC · August 22, 2018

You try it out setBlockBounds(0.0F, 0.0F, 0.0F, 5.0F, 5.0F, 5.0F);

Edited August 22, 2018 by DouYanC

Draco18s · August 22, 2018

8 hours ago, DouYanC said:

You try it out setBlockBounds(0.0F, 0.0F, 0.0F, 5.0F, 5.0F, 5.0F);

No. This won't work. This will never work, I don't even know how you think this would even solve the problem at hand.

Block bounds are not allowed to exceed 1 block wide and 1.5 blocks tall.

Pheenixm · August 27, 2018

Your texture is in the wrong place. Here's an example of one of my mtl files

# Blender MTL File: 'engine.blend'
# Material Count: 14

newmtl Material
Ns 96.078431
Ka 1.000000 1.000000 1.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
Ni 1.000000
d 1.000000
illum 2
map_Kd explosivesplus:items/engine_tank

newmtl Material.001
Ns 96.078431
Ka 1.000000 1.000000 1.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
Ni 1.000000
d 1.000000
illum 2
map_Kd explosivesplus:items/engine_nozzle

You'll note I don't specify the "textures" folder at all; that's automatic. My textures are in assets/explosivesplus/textures/items. But the "texture" line is just implied

Also, you can just load the model in your blockstates file.

				"model": "explosivesplus:silo.obj",

You'll also want to put

	@SubscribeEvent
	public static void registerModels(ModelRegistryEvent event) {
		
        OBJLoader.INSTANCE.addDomain(ExplosivesPlus.MOD_ID);
	}

somewhere in your ClientProxy file.

Edited August 27, 2018 by Pheenixm

Pheenixm · August 27, 2018

On 8/20/2018 at 11:18 AM, Draco18s said:

1) Your block isn't at the correct origin. Minecraft block origins are the bottom, north, west corner.

2) Its scale is likely wrong. It needs to fit within a 1x1x1 unit volume within your modeling program.

Think you're wrong on 2. Obj files can be as large as you want them to be; you'll run into some errors with frustrum though.

Draco18s · August 27, 2018

13 minutes ago, Pheenixm said:

Think you're wrong on 2. Obj files can be as large as you want them to be; you'll run into some errors with frustrum though.

Oh, it can be larger, but you'll run into all kinds of issues...like frustum culling, being able to place blocks inside it, being unable to collide with it, unable to prevent mobs moving through it, and so on.

Pheenixm · August 27, 2018

Just now, Draco18s said:

Oh, it can be larger, but you'll run into all kinds of issues...like frustum culling, being able to place blocks inside it, being unable to collide with it, unable to prevent mobs moving through it, and so on.

Oh, definitely. I've been using invisible blocks with large .obj models in my multiblock setup, and it has been a pain to get the frustrum culling to stop. I'm having to use

	@Override
    public boolean isGlobalRenderer(TileEntitySilo tile)
    {
        return true;
    }

in my TESR just to ward off the frustrum culling issues. Fortunately, I don't expect a lot of my multiblocks to ever be built (350 block composition), so it shouldn't be too much of a problem.

Xumuk · August 27, 2018

@Pheenixm

I did everything you said, but the white color just got a little darker. And texture my still there is no?

My mtl file now:

# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
# File Created: 20.08.2018 18:34:47

newmtl mymtl
	Ns 96.078431
Ni 1.000000
d 1.000000
	Tr 0.0000
	Tf 1.0000 1.0000 1.0000 
	illum 2
Ka 1.000000 1.000000 1.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
	map_Ka realism:blocks\appletop
	map_Kd realism:blocks\appletop

What's that ? There are no such values in your mtl file.

	Tr 0.0000
	Tf 1.0000 1.0000 1.0000

2018-08-27_20_15_32.png.46287c25a034652f847daded20623b4f.png

Edited August 27, 2018 by Xumuk

Pheenixm · August 27, 2018

3 minutes ago, Xumuk said:
@Pheenixm

I did everything you said, but the white color just got a little darker. And texture my still there is no))

My mtl file now:
# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
# File Created: 20.08.2018 18:34:47

newmtl mymtl
	Ns 96.078431
Ni 1.000000
d 1.000000
	Tr 0.0000
	Tf 1.0000 1.0000 1.0000 
	illum 2
Ka 1.000000 1.000000 1.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
	map_Ka realism:blocks\appletop
	map_Kd realism:blocks\appletop
What's that ? There are no such values in your mtl file.
	Tr 0.0000
	Tf 1.0000 1.0000 1.0000 

Show me your blockstate.json for the block. I don't know what those values are, most of the values in mtl's are essentially unnecessary, beyond the most basic map_Kd or map_Ka calls. For instance, look at Immersive Engineering. Also, a picture of your folder structure would be ideal.

What rendering software are you using?

Xumuk · August 27, 2018

3ds Max
~~~
I haven't created blockstate for this model since I don't know what it should look like for .obj

Pheenixm · August 27, 2018

You don't need this

 ModelLoader.setCustomModelResourceLocation(Item.getItemFromBlock(block),0, new ModelResourceLocation(new ResourceLocation(block.getRegistryName().getResourceDomain(), block.getRegistryName().getResourcePath().concat(".obj")),"inventory"))

Use a blockstate.json file, like I do here

https://bitbucket.org/Pheenixm/explosivesplus/src/master/Explosives%2B/src/main/resources/assets/explosivesplus/blockstates/concrete.json

Edited August 27, 2018 by Pheenixm

Xumuk · August 28, 2018

If you do as you said, in the end it will simply be loaded default model specified in the blockstate. OBJ model is not loaded at all...

{
	"forge_marker": 1,
	"defaults": {
		"model": "realism:beton"
	},
	"variants": {
		"normal": [
			{
				
			}
		],
		"inventory": [
			{
				
			}
		],
		"multi": {
			"invalid": {
				"model": "realism:beton"
			},
			"center":{},
			"render": {
				"custom": {
					"flip-v": true
				},
				"model": "realism:testobj.obj",
				"transform": {
					"scale": [
						1,
						1,
						1
					],
					"translation": [
						0.5,
						0,
						0.5
					]
				}
			},
			"structure": {
				
			}
		}
	}
}

Pheenixm · August 28, 2018

10 hours ago, Xumuk said:

If you do as you said, in the end it will simply be loaded default model specified in the blockstate. OBJ model is not loaded at all...


{
	"forge_marker": 1,
	"defaults": {
		"model": "realism:beton"
	},
	"variants": {
		"normal": [
			{
				
			}
		],
		"inventory": [
			{
				
			}
		],
		"multi": {
			"invalid": {
				"model": "realism:beton"
			},
			"center":{},
			"render": {
				"custom": {
					"flip-v": true
				},
				"model": "realism:testobj.obj",
				"transform": {
					"scale": [
						1,
						1,
						1
					],
					"translation": [
						0.5,
						0,
						0.5
					]
				}
			},
			"structure": {
				
			}
		}
	}
}

I didn't mean copy my code exactly. That code is specific to my block, not yours. If you don't understand the fields in blockstate.json files, I suggest you go learn them independently. What you need to know is that you have to have the custom tag, because flip-v has to be specified as true, and ALL of your model references need to end in .obj when you're referring to .obj files.

Xumuk · August 31, 2018

I understood. If I do this:

{
    "forge_marker": 1,
    "variants": {
        "normal": { "model": "realism:testobj.obj","flip-v": true}
    }
}

But the texture is still missing, only gray. Gray, but not white default, because to the loader writed , that it takes the color from the material. But the texture is still present. If mtl insert row "map_Ke realism:blocks\appletop", nothing will change
Console writed:

[13:36:16] [main/INFO] [FML]: OBJLoader.MaterialLibrary: key '' (model: 'realism:models/block/testobj.mtl') is not currently supported, skipping
[13:36:16] [main/INFO] [FML]: OBJLoader.MaterialLibrary: key 'Ni' (model: 'realism:models/block/testobj.mtl') is not currently supported, skipping
[13:36:16] [main/INFO] [FML]: OBJModel: A color has already been defined for material 'mylib' in 'realism:models/block/testobj.mtl'. The color defined by key 'Ks' will not be applied!
[13:36:16] [main/INFO] [FML]: OBJLoader.MaterialLibrary: key 'Ke' (model: 'realism:models/block/testobj.mtl') is not currently supported, skipping
[13:36:16] [main/INFO] [FML]: OBJLoader.Parser: command 's' (model: 'realism:models/block/testobj.obj') is not currently supported, skipping. Line: 37 's 2'

File testobj with "s 2" line

mtllib testobj.mtl

#
# object Box001
#

v  0.1500 -0.0000 0.8500
v  0.1500 -0.0000 0.1500
v  0.8500 -0.0000 0.1500
v  0.8500 -0.0000 0.8500
v  0.1500 0.7000 0.8500
v  0.8500 0.7000 0.8500
v  0.8500 0.7000 0.1500
v  0.1500 0.7000 0.1500
# 8 vertices

vn 0.0000 -1.0000 -0.0000
vn 0.0000 1.0000 -0.0000
vn 0.0000 0.0000 1.0000
vn 1.0000 0.0000 -0.0000
vn 0.0000 0.0000 -1.0000
vn -1.0000 0.0000 -0.0000
# 6 vertex normals

vt 1.0000 0.0000 0.0000
vt 1.0000 1.0000 0.0000
vt 0.0000 1.0000 0.0000
vt 0.0000 0.0000 0.0000
# 4 texture coords

o Box001
g Box001
usemtl mylib
s 2
f 1/1/1 2/2/1 3/3/1 
f 3/3/1 4/4/1 1/1/1 
s 4
f 5/4/2 6/1/2 7/2/2 
f 7/2/2 8/3/2 5/4/2 
s 8
f 1/4/3 4/1/3 6/2/3 
f 6/2/3 5/3/3 1/4/3 
s 16
f 4/4/4 3/1/4 7/2/4 
f 7/2/4 6/3/4 4/4/4 
s 32
f 3/4/5 2/1/5 8/2/5 
f 8/2/5 7/3/5 3/4/5 
s 64
f 2/4/6 1/1/6 5/2/6 
f 5/2/6 8/3/6 2/4/6 
# 12 faces

Edited August 31, 2018 by Xumuk

Pheenixm · August 31, 2018

Looks like you're the not the first person to have trouble with 3DSMax. I'd switch to blender while I was still early on, it actually works.

That said, try removing all 's' references you can find; it probably won't do anything, but it's worth a shot. Finally, I'd try reimporting your model, because I've thought about it further; your texture is DEFINITELY loading, otherwise, you'd have the purple and black checkers that Forge applies by default to missing texture objects. Try changing your texture files (appletop) to neon yellow, then see if the render of the block in-game changes at all. If it does, you're likely dealing with UV errors, and again, I'd recommend you just go learn blender.

Edited August 31, 2018 by Pheenixm

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OBJ model has default texture

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