Half of my level is out of purportion?

Graphics and GPU Programming Programming

Started by eviltwigflipper January 05, 2005 08:54 PM

7 comments, last by eviltwigflipper 19 years, 3 months ago

140

Author

January 05, 2005 08:54 PM

When I render my Doom III map, half of the level is out of purportion, and the other half is rendered correctlly. Here is what it looks like Screenshot 1 And this is what it is supposed to look like(ignoring the static meshes): Correct level screenshot Ignore the fact that I load a test texture instead of the correct shader. Any ideas?

Moe

1,256

January 05, 2005 10:01 PM

Not sure what could be causing it, but it looks as if something is garbling the geometry data. I notice some messed up texture coordinates. It makes me wonder if everything is being loaded in poperly. (But then again, I have never tried loading Doom 3 levels or anything of the like).

Moe's blog/devlog

Ademan555

361

January 05, 2005 10:28 PM

i dont have any suggestions unless you post code... but speaking of code, where are you learning the details on the file format? ;-) linky linky?
thanks
-Dan

When General Patton died after World War 2 he went to the gates of Heaven to talk to St. Peter. The first thing he asked is if there were any Marines in heaven. St. Peter told him no, Marines are too rowdy for heaven. He then asked why Patton wanted to know. Patton told him he was sick of the Marines overshadowing the Army because they did more with less and were all hard-core sons of bitches. St. Peter reassured him there were no Marines so Patton went into Heaven. As he was checking out his new home he rounded a corner and saw someone in Marine Dress Blues. He ran back to St. Peter and yelled "You lied to me! There are Marines in heaven!" St. Peter said "Who him? That's just God. He wishes he were a Marine."

eviltwigflipper

140

Author

January 05, 2005 11:00 PM

Here is my source:

/*======================================================void dx9System::RenderPlane(model thisplane);======================================================*/void dx9System::RenderPlane(model thisplane){	int i,a;	int texcoordnum = 0;	device->SetRenderState(D3DRS_COLORWRITEENABLE, 0xf);	if(thisplane.numofsurfaces < 1)		sys_error("RenderPlane: Numofsurfaces is invalid for this model\n");	for(a = 0; a<thisplane.numofsurfaces; a++)	{		IDirect3DVertexBuffer9 *vb;		IDirect3DIndexBuffer9 *ib;		if(thisplane.mapsurfaces[a].numofverts < 1 || thisplane.mapsurfaces[a].numofindexs < 1)			sys_error("RenderPlane: This surface has a illegal number of verts or indexs\n");		device->CreateVertexBuffer(thisplane.mapsurfaces[a].numofverts * sizeof(NormalTexVertex),								D3DUSAGE_WRITEONLY,FVF_NORMAL_TEX, D3DPOOL_MANAGED,								&vb,0);		device->CreateIndexBuffer(thisplane.mapsurfaces[a].numofindexs * sizeof(WORD),								D3DUSAGE_WRITEONLY,D3DFMT_INDEX16, D3DPOOL_MANAGED,								&ib,0);		NormalTexVertex *verts;		vb->Lock(0,0,(void **)&verts,0);			int c = 0;			for(i = 0; i < thisplane.mapsurfaces[a].numofverts; i++)			{				float trixyz[3];				float oldxyz[3];				if(thisplane.mapsurfaces[a].verts[c] == 0 && thisplane.mapsurfaces[a].verts[c+1] == 0 &&				   thisplane.mapsurfaces[a].verts[c+2] == 0)				   sys_error("RenderPlane: Invalid triangle found\n");				trixyz[0] = thisplane.mapsurfaces[a].verts[c];				trixyz[1] = thisplane.mapsurfaces[a].verts[c+2];				trixyz[2] = -thisplane.mapsurfaces[a].verts[c+1];				verts = NormalTexVertex(trixyz[0],trixyz[1],										trixyz[2],										thisplane.mapsurfaces[a].normals[c],										thisplane.mapsurfaces[a].normals[c+2],										-thisplane.mapsurfaces[a].normals[c+1],										thisplane.mapsurfaces[a].texcoords[texcoordnum],										thisplane.mapsurfaces[a].texcoords[texcoordnum+1]);				texcoordnum += 2;				c += 3;			}		vb->Unlock();		WORD *indicies;		ib->Lock(0,0,(void **)&indicies,0);			for(i = 0; i< thisplane.mapsurfaces[a].numofindexs; i++)			{				indicies = thisplane.mapsurfaces[a].indexs;			}		ib->Unlock();		device->SetTexture(0,testtexture);		device->SetStreamSource(0,vb,0,sizeof(NormalTexVertex));		device->SetIndices(ib);		device->SetFVF(FVF_NORMAL_TEX);		device->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,thisplane.mapsurfaces[a].numofverts,0,thisplane.mapsurfaces[a].numofverts / 3);	}}

Doom 3 Unoffical File Formats

The above link gives you all the various for Doom III except the AAS format, which is the AI helper file.

Everything is being loaded correctlly. Ive debugged the points being added to the final arrays(NormalTexVertex *verts, and WORD *indicies), and they are all correct.

Makes me wonder if Doom III has any type of scaling to do before you render the points?

EDIT:

TExture corrds are probley wrong because the polygons are streched out to much.

eviltwigflipper

140

Author

January 06, 2005 07:09 PM

*bump*

eviltwigflipper

140

Author

January 06, 2005 10:26 PM

It looks like some triangles are at 504 -288 8 -1.9583332539, when most are only at -100-100, any idea on how to scale them correctlly so they are the same size?

Anonymous

January 07, 2005 01:22 AM

Looks like you have error either in your data as it is read, or your creation of your vertex buffers, (size, count, offset, stride etc). The give away is the funky skewed texture coordinates, and planes appear to span forever.

Also your code above is not near enough complete for anyone to help you. Try posting some more.