void GX_TestInitLightShininess(GXLightObj *lobj, f32 shininess) {
shininess = (shininess / 128) * 256; //convert opengl range to gx
GX_InitLightAttn(lobj, 1.0, 0.0, 2.0, (shininess)*0.5, 0.0, 1.0F-(shininess)*0.5 );
//Redshade
//math behind a and k is [a0 + a1^2 + a2^3], brightness as you go away from the center, [or brightness as you go away from source in k
//if you want to see the GL equivalent, look up GL_(CONSTANT|LINEAR|QUADRATIC)_ATTENUATION, since those are k0,k1,k2 respectively
//your end equation value should be between 0.0 and 1.0
}
void render(NODE * node, Vector camPos)
{
Mtx tmp;
if(!node->isRenderable()) return;//Skip non-renderable nodes such as empty nodes, regions or lights
if(node->flags & F_Visible)//Is it visible?
{
//Set matrices
Mtx aux, inv;
GX_ClearVtxDesc();
node->absMtx(modelM);
char msg[64];
guMtxConcat(view, modelM, modelview);
GX_LoadPosMtxImm(modelview, GX_PNMTX0);//Load model view matrix
guMtxInverse(modelview, tmp);
guMtxTranspose(tmp,inv);
GX_LoadNrmMtxImm(inv, GX_PNMTX0);//Load normal matrix
//TODO: Better lighting (multiple lights)
std::vector<LIGHT*>::iterator light = mainRoot->getLights().begin();
//if(light == mainRoot->getLights().end())
// REVConsole->write("LIGHT");
GXLightObj lObj[8];
u8 lightMask = 0, tmpLight = GX_LIGHT0;
for(u8 i = 0;light != mainRoot->getLights().end(); ++light, ++i)
{
Vector lpos = (*light)->getPos();
guVecMultiply(view, &lpos, &lpos);
GX_InitLightPos(&lObj[i],lpos.x,lpos.y,lpos.z);
GX_InitLightAttn(&lObj[i], 1.0f,0.0f,0.0f,1.0f,0.0f,0.0f);
GX_InitLightSpot(&lObj[i],0.0f,GX_SP_OFF);
GX_InitLightColor(&lObj[i],(*light)->clr);
GX_LoadLightObj(&lObj[i],tmpLight);
lightMask |= tmpLight;
tmpLight *= 2;
}
//Render the node
node->render(lightMask);
}
}
