2011-m2s3-city-builder/lod.cpp
2011-12-21 16:16:32 +01:00

114 lines
3.4 KiB
C++

#include "all_includes.hh"
Lod::Lod(Vertex camera, Chose* root) {
for (int i = 0; i < 6; i++) merge[i].setId(i);
for (int i = 0; i < 12; i++) split[i].setId(6+i);
this->camera[0] = camera.x;
this->camera[1] = camera.y;
this->camera[2] = camera.z;
addSplitCube(root);
setCamera(camera);
}
void Lod::setCamera(Vertex newCamera) {
this->camera[0] = newCamera.x;
this->camera[1] = newCamera.y;
this->camera[2] = newCamera.z;
// Merge.
for(int i = 0; i < 6; i++) {
Chose* c;
int pos = NegateEven(camera[i>>1], i);
while((c = merge[i].popIfLessThan(pos))) {
std::cout << "=== mer Pop " << (int)(c) << " from merge " << i << std::endl;
for(int j = 0; j < 6; j++) {
if(i == j) continue;
std::cout << "=== mer Remove " << (int)(c) << " from merge " << j << std::endl;
merge[j].remove(c);
// TODO
}
}
}
// Split out vers split in.
for(int i = 0; i < 6; i++) {
Chose* c;
int pos = NegateOdd(camera[i>>1], i);
while((c = split[2*i+1].popIfLessThan(pos))) {
std::cout << "=== soi Pop " << (int)(c) << " from split " << 2*i+1 << std::endl;
for (int a = 0; a < 18; a++) std::cout << (c->lod.heaps[a]) << " ";
std::cout << std::endl;
if(c->inCounter == 5) {
for(int j = 0; j < 6; j++) {
if(i == j) continue;
std::cout << "=== soi1 Remove " << (int)(c)<<" from split "<< 2*j<<std::endl;
split[2*j].remove(c);
}
std::cout << "CALL doSplit FROM soi" << std::endl;
doSplit(c);
}
else {
c->inCounter++;
std::cout << "=== soi2 Insert " << (int)(c) << " into split " << 2*i << std::endl;
split[2*i].insert(c->splitCube[i], c);
}
}
}
// Split in vers split out.
for(int i = 0; i < 6; i++) {
Chose* c;
int pos = NegateEven(camera[i>>1], i);
while((c = split[2*i].popIfLessThan(pos))) {
std::cout << "=== sio Pop " << (int)(c) << " from split " << 2*i << std::endl;
c->inCounter--;
std::cout << "=== sio Insert " << (int)(c) << " into split " << 2*i+1 << std::endl;
split[2*i+1].insert(c->splitCube[i], c);
}
}
}
void Lod::doSplit(Chose* c) {
std::cout << "doSplit " << (int)(c) << std::endl;
// TODO
c->split();
std::vector<Chose*>::iterator it;
for (it = c->children.begin(); it != c->children.end(); ++it) {
(*it)->triangulation();
(*it)->updateAABB();
addSplitCube((*it));
}
std::cout << "END doSplit" << std::endl;
}
void Lod::addMergeCube(Chose* chose) {
for(int i = 0; i < 5; i++) {
std::cout << "+++ mer Insert " << (int)(chose) << " into merge " << i << std::endl;
merge[i].insert(NegateEven(chose->lod.mergeCube[i], i), chose);
}
}
void Lod::addSplitCube(Chose* chose) {
std::cout << "addSplitCube " << (int)chose << std::endl;
chose->inCounter = 0;
for(int i = 0; i < 6; i++) {
if(NegateEven(chose->lod.splitCube[i] - camera[i>>1], i) >= 0) {
chose->inCounter++;
std::cout << "+++ spl1 Insert " << (int)(chose) << " into split " << 2*i << std::endl;
split[2*i].insert(NegateEven(chose->lod.splitCube[i],i), chose);
}
else {
std::cout << "+++ spl2 Insert " << (int)(chose) << " into split " << 2*i+1<<std::endl;
split[2*i+1].insert(NegateOdd(chose->lod.splitCube[i],i), chose);
}
}
// TODO : si chose->inCounter == 6, il faut le split immédiatement.
if (chose->inCounter == 6) {
for(int i = 0; i < 6; i++) {
std::cout << "+++ spl3 Remove " << (int)(chose) << " from split " << 2*i << std::endl;
split[2*i].remove(chose);
}
std::cout << "CALL doSplit FROM addSplitCube" << std::endl;
doSplit(chose);
}
}