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Model Copy


gamecreator
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Just trying to get copies (not the default instances) of models I can individually apply textures to. Neither of the following work and I can't find any helpful examples online.

 

model=Model::Load("Models/brick2.mdl",Asset::CreateNew);

 

model=(Model *)Model::Load("Models/brick2.mdl")->Copy();

 

I was trying to work off of this example with no luck and whatever I could find online.

http://www.leadwerks.com/werkspace/page/documentation/_/command-reference/asset/assetcopy-r40

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Well, thats what he is showing in his second code example. It works in lua so it should work in c++. The only suggestion would be to try to create the copy from the original loaded model reference instead to see if it makes a difference.

 

model1 = Model:Load("Models/brick.mdl")
model2 = model1:Copy()
model2:SetPosition(1,0,1)

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Win7 64bit / Intel i7-2600 CPU @ 3.9 GHz / 16 GB DDR3 / NVIDIA GeForce GTX 590

LE / 3DWS / BMX / Hexagon

macklebee's channel

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Good thought but no luck. I'll make a simpler example and see if I can submit a bug report with example. This is part of the two for loops which go through the array and create bricks:

 

level[j][i].model=(Model *)preloads_models[2]->Copy(true);
// level[j][i].model=Model::Load("Models/brick2.mdl", Asset::CreateNew);
level[j][i].model->SetPosition(i, 0, j, true);
level[j][i].model->SetRotation(90, 270, 0, true);

ran=(int)Math::Random(0, 4);
if(ran==0) level[j][i].model->GetSurface(0)->GetMaterial()->SetTexture(Texture::Load("Models/blue.tex"));
else if(ran==1) level[j][i].model->GetSurface(0)->GetMaterial()->SetTexture(Texture::Load("Models/green.tex"));
else if(ran==2) level[j][i].model->GetSurface(0)->GetMaterial()->SetTexture(Texture::Load("Models/red.tex"));
else level[j][i].model->GetSurface(0)->GetMaterial()->SetTexture(Texture::Load("Models/yellow.tex"));

 

... results in the same texture for all of the copies.

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hmmm the problem there is probably due to the fact that the material itself is not an individual copy... you have the same material being applied to all the copied bricks, so just changing the texture would just apply the last texture change to the same material thats being used on everything. This should work if you apply different materials to each model copy. Or create your own material via code and then make an individual copy of it to be applied to each individual brick that you want to have a certain texture.

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Win7 64bit / Intel i7-2600 CPU @ 3.9 GHz / 16 GB DDR3 / NVIDIA GeForce GTX 590

LE / 3DWS / BMX / Hexagon

macklebee's channel

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this seems to work ok:

 

mymodel = Model:Load("Models/crates/crate_large.mdl")
model = {}
mat = {}
mat[0] = Material:Load("materials/developer/bluegrid.mat")
mat[1] = Material:Load("materials/developer/greengrid.mat")
mat[2] = Material:Load("materials/developer/greygrid.mat")
for i = 0,2 do
 model[i] = mymodel:Copy()
 model[i]:SetPosition(1+i,0,0)
 model[i]:SetMaterial(mat[i])
end

 

and this way as well:

 

mymodel = Model:Load("Models/crates/crate_large.mdl")
material = mymodel:GetSurface(0):GetMaterial()
model = {}
mat = {}
tex = {}
tex[0] = Texture:Load("materials/developer/bluegrid.tex")
tex[1] = Texture:Load("materials/developer/greengrid.tex")
tex[2] = Texture:Load("materials/developer/greygrid.tex")
for i = 0,2 do
 model[i] = mymodel:Copy()
 model[i]:SetPosition(1+i,0,0)
 mat[i] = tolua.cast(material:Copy(), "Material")
 mat[i]:SetTexture(tex[i])
 model[i]:SetMaterial(mat[i])
end

  • Upvote 2

Win7 64bit / Intel i7-2600 CPU @ 3.9 GHz / 16 GB DDR3 / NVIDIA GeForce GTX 590

LE / 3DWS / BMX / Hexagon

macklebee's channel

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At this point I'm not exactly sure what's going on but based on what you suggested, I decided to start experimenting again. The following ended up working for me.

 

ran=(int)Math::Random(0, 4);
if(ran==0) level[j][i].model->SetMaterial(Material::Load("Models/blue.mat"));
else if(ran==1) level[j][i].model->SetMaterial(Material::Load("Models/green.mat"));
else if(ran==2) level[j][i].model->SetMaterial(Material::Load("Models/red.mat"));
else level[j][i].model->SetMaterial(Material::Load("Models/yellow.mat"));

 

I'm in your debt macklebee. Thank you for all your help!!

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  • 3 years later...

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