Tree Scene Node v2.1

[JP]

it's probably just not got the necessary functions or you're not creating the required scene node factory to recreate the tree

[pera]

not sure how this factory works... any code?

[devsh]

ok i like the idea, but boys lets go next gen..

http://http.developer.nvidia.com/GPUGem ... _ch04.html

[baiqian]

Will you release it for irrlicht 1.5 ? it looks very nice

[Azim]

here, this works on irrlicht 1.5.

http://www.file-upload.net/download-169 ... s.zip.html

[netpipe]

that is far from 1.5 friendly, here's a version that works with 1.5 and svn. thanks a million for this Klasger you tree like no other. http://www.xup.in/dl,10862957/ProceduralTrees.7z

[baiqian]

thanks Tecan and Azim, i've tried both the links you post, but it can not download completely successfully.

[foboth]

first ... I must thank to all the ppl involved in this develop... its amazing the time and effort and the result of that energy.

I am interested in this plugin for the 1.5 editor (Irredit) ... and like baiqian, the downloads came to an dead end... some one have any working link of this?

Thanks again, later.

[fegabe]

Hi all,

I´ve discovered this application and it´s fantastic! I would like to export the generated tree to a file to be imported from irrlicht after.

I´ve tried to use this function in main.cpp

Code: Select all

void saveTree ()
{
    core::stringc dest;

    dest = "tree.irr";

    irr::scene::IMeshWriter *writer = manager->createMeshWriter(irr::scene::EMWT_IRR_MESH);
    writer->writeMesh(device->getFileSystem()->createAndWriteFile(dest.c_str()), tree->HighLODMesh);

    writer->drop();
}

and the variable HighLODMesh is created in the function setup in the file CTreeSceneNode.cpp,

Code: Select all

void CTreeSceneNode::setup( const STreeMesh* highLOD, const STreeMesh* midLOD, video::ITexture* billboardTexture )

after HighLODMeshBuffer initilization,

Code: Select all

    HighLODMeshBuffer = highLOD->MeshBuffer;
    MidLODMeshBuffer = midLOD->MeshBuffer;

    // my two lines code ->
    HighLODMesh = new SMesh();
    HighLODMesh->addMeshBuffer(HighLODMeshBuffer);

with type,

Code: Select all

SMesh* HighLODMesh;

I have uploaded the generated mesh file,

http://www.file-upload.eu/download-1715 ... e.irr.html

Thank you very much for your help!

[baiqian]

Thank you all, i can download it now. but , anyone has the irredit plugin for irredit1.5 ?

[buhatkj]

the 1.4 version works in 1.5 with only very minor edits. basically just changing the SMaterial.textures[0] to SMaterial.GetTexture(0) or something like that (saying this from memory, dont have the code here).

Anyway, I was able to get it working in irredit 1.5 in like 30 mins. Not too big a deal. If and when i have time I will post it someplace, but no guarantees I am REAL lazy y'know.....

[marmz]

Hi everyone. I succesfully compiled Ptrees on Debian.
But at run i get a Segfault.
Here's GDB debug output:
----------------------------------------------------------------------
Program received signal SIGSEGV, Segmentation fault.
0x0804bf9c in main () at ../../include/vector3d.h:28
28
Current language: auto; currently c++
(gdb) list
23 vector3d(const vector3d<T>& other) : X(other.X), Y(other.Y), Z(other.Z) {}
24
25 // operators
26
27 vector3d<T> operator-() const { return vector3d<T>(-X, -Y, -Z); }
28
29 vector3d<T>& operator=(const vector3d<T>& other) { X = other.X; Y = other.Y; Z = other.Z; return *this; }
30
31 vector3d<T> operator+(const vector3d<T>& other) const { return vector3d<T>(X + other.X, Y + other.Y, Z + other.Z); }
32 vector3d<T>& operator+=(const vector3d<T>& other) { X+=other.X; Y+=other.Y; Z+=other.Z; return *this; }
--------------------------------------------------------------
Hope someone can help me.

[hybrid]

Try to recompile without optimizations, will help to find the correct place to look for in the debug.

[marmz]

ok. i recompiled without flags: -O3 -ffast-math
now we have this:
----------------------------------------------------------------------------------------------
Program received signal SIGSEGV, Segmentation fault.
0x0804cab3 in irr::IReferenceCounted::drop () at ../../include/SMaterial.h:251
251 //! Sets the i-th texture
Current language: auto; currently c++
----------------------------------------------------------------------------------------------
guess what?

[hybrid]

Did you also recompile Irrlicht without optimizations? Please show the stack trace ('bt' in gdb). Could be that some stack corrution happens, which scrambles the final error place. Since it mentiones drop() it could be a wrongly called drop which destroys an object that is still used.