bool LoadDrawable::operator()(
const std::string & meshname,
const std::vector<std::string> & texname,
const PTree & cfg,
SCENENODE & topnode,
keyed_container<SCENENODE>::handle * nodeptr,
keyed_container<DRAWABLE>::handle * drawptr)
{
DRAWABLE drawable;
// set textures
TEXTUREINFO texinfo;
texinfo.mipmap = true;
texinfo.anisotropy = anisotropy;
std::tr1::shared_ptr<TEXTURE> tex;
if (texname.size() == 0)
{
error << "No texture defined" << std::endl;
return false;
}
if (texname.size() > 0)
{
if (!content.load(path, texname[0], texinfo, tex)) return false;
drawable.SetDiffuseMap(tex);
}
if (texname.size() > 1)
{
if (!content.load(path, texname[1], texinfo, tex)) return false;
drawable.SetMiscMap1(tex);
}
if (texname.size() > 2)
{
if (!content.load(path, texname[2], texinfo, tex)) return false;
drawable.SetMiscMap2(tex);
}
// set mesh
std::tr1::shared_ptr<MODEL> mesh;
if (!content.load(path, meshname, mesh)) return false;
std::string scalestr;
if (cfg.get("scale", scalestr) &&
!content.get(path, meshname + scalestr, mesh))
{
MATHVECTOR<float, 3> scale;
std::stringstream s(scalestr);
s >> scale;
VERTEXARRAY meshva = mesh->GetVertexArray();
meshva.Scale(scale[0], scale[1], scale[2]);
content.load(path, meshname + scalestr, meshva, mesh);
}
void TEXT_DRAW::SetText(
DRAWABLE & draw,
const FONT & font, const std::string & text,
float x, float y, float scalex, float scaley,
float r, float g, float b,
VERTEXARRAY & output_array)
{
RenderText(font, text, x, y, scalex, scaley, output_array);
draw.SetDiffuseMap(font.GetFontTexture());
draw.SetVertArray(&output_array);
draw.SetCull(false, false);
draw.SetColor(r, g, b, 1.0);
}
///returns true if the object was culled and should not be drawn
bool RENDER_INPUT_SCENE::FrustumCull(DRAWABLE & tocull)
{
//return false;
DRAWABLE * d (&tocull);
//if (d->GetRadius() != 0.0 && d->parent != NULL && !d->skybox)
if (d->GetRadius() != 0.0 && !d->GetSkybox() && d->GetCameraTransformEnable())
{
//do frustum culling
MATHVECTOR <float, 3> objpos(d->GetObjectCenter());
d->GetTransform().TransformVectorOut(objpos[0],objpos[1],objpos[2]);
float dx=objpos[0]-cam_position[0]; float dy=objpos[1]-cam_position[1]; float dz=objpos[2]-cam_position[2];
float rc=dx*dx+dy*dy+dz*dz;
float temp_lod_far = lod_far + d->GetRadius();
if (rc > temp_lod_far*temp_lod_far)
return true;
else if (rc < d->GetRadius()*d->GetRadius())
return false;
else
{
float bound, rd;
bound = d->GetRadius();
for (int i=0; i<6; i++)
{
rd=frustum.frustum[i][0]*objpos[0]+
frustum.frustum[i][1]*objpos[1]+
frustum.frustum[i][2]*objpos[2]+
frustum.frustum[i][3];
if (rd <= -bound)
{
return true;
}
}
}
}
return false;
}
void RENDER_INPUT_SCENE::DrawList(GLSTATEMANAGER & glstate, std::vector <DRAWABLE*> & drawlist, bool preculled)
{
unsigned int drawcount = 0;
unsigned int loopcount = 0;
for (vector <DRAWABLE*>::iterator ptr = drawlist.begin(); ptr != drawlist.end(); ptr++, loopcount++)
{
DRAWABLE * i = *ptr;
if (preculled || !FrustumCull(*i))
{
drawcount++;
SelectFlags(*i, glstate);
if (shaders) SelectAppropriateShader(*i);
SelectTexturing(*i, glstate);
bool need_pop = SelectTransformStart(*i, glstate);
//assert(i->GetDraw()->GetVertArray() || i->GetDraw()->IsDrawList() || !i->GetDraw()->GetLine().empty());
if (i->IsDrawList())
{
// FLOW_VIS //
if (shader && shader->program == 4 && shader->vertex_shader == 5 && i->activeMVMatrix == 0) {
shader->UploadAttributeMat16("oldModelViewMatrix", i->oldModelViewMatrix[i->activeMVMatrix]);
//memcpy(i->oldModelViewMatrix, tmp_matrix, sizeof(float) * 16);
glGetFloatv(GL_MODELVIEW_MATRIX, i->oldModelViewMatrix[i->activeMVMatrix]);
i->activeMVMatrix = 1;
}
const unsigned int numlists = i->GetDrawLists().size();
for (unsigned int n = 0; n < numlists; ++n)
glCallList(i->GetDrawLists()[n]);
}
else if (i->GetVertArray())
{
const float * verts;
int vertcount;
i->GetVertArray()->GetVertices(verts, vertcount);
if (vertcount > 0 && verts)
{
glVertexPointer(3, GL_FLOAT, 0, verts);
glEnableClientState(GL_VERTEX_ARRAY);
const int * faces;
int facecount;
i->GetVertArray()->GetFaces(faces, facecount);
if (facecount > 0 && faces)
{
const float * norms;
int normcount;
i->GetVertArray()->GetNormals(norms, normcount);
if (normcount > 0 && norms)
{
glNormalPointer(GL_FLOAT, 0, norms);
glEnableClientState(GL_NORMAL_ARRAY);
}
const float * tc[1];
int tccount[1];
if (i->GetVertArray()->GetTexCoordSets() > 0)
{
i->GetVertArray()->GetTexCoords(0, tc[0], tccount[0]);
if (tc[0] && tccount[0])
{
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, tc[0]);
}
}
glDrawElements(GL_TRIANGLES, facecount, GL_UNSIGNED_INT, faces);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
else if (i->GetLineSize() > 0)
{
glstate.Enable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glLineWidth(i->GetLineSize());
glDrawArrays(GL_LINES, 0, vertcount/3);
}
glDisableClientState(GL_VERTEX_ARRAY);
}
}
SelectTransformEnd(*i, need_pop);
}
}
}