#include "all_includes.hh"

QuartierQuad::QuartierQuad(Vertex ne, Vertex se, Vertex sw, Vertex nw) : Chose() {
	addEntropy(ne, se, sw, nw);
	c[NE] = ne;
	c[SE] = se;
	c[SW] = sw;
	c[NW] = nw;
}

QuartierQuad::~QuartierQuad() {
    children.clear();
    triangles.clear();
}

void QuartierQuad::getBoundingBoxPoints() {
	addBBPoint(c[NE]);
	addBBPoint(c[SE]);
	addBBPoint(c[SW]);
	addBBPoint(c[NW]);
	addBBPoint(c[NE] + Vertex(0,0,1000)); // TODO
	addBBPoint(c[SE] + Vertex(0,0,1000));
	addBBPoint(c[SW] + Vertex(0,0,1000));
	addBBPoint(c[NW] + Vertex(0,0,1000));
}

Chose* QuartierQuad::factory(int seed, int n, Vertex ne, Vertex se, Vertex sw, Vertex nw) {
	Quad q = Quad(ne,se,sw,nw);
	bool small = q.minLength() < 2500;
	bool big = q.maxLength() >= 5000;
	bool anglesAcceptable = q.minAngle() > Angle::d2r(90-60) && q.maxAngle() < Angle::d2r(90+60);
	bool anglesOk = q.minAngle() > Angle::d2r(90-40) && q.maxAngle() < Angle::d2r(90+40);
	bool tooWideX = q.minLengthEW() * 2 < q.maxLengthNS(); // trop allongé (côté E ou W deux fois plus petit que le côté N ou S).
	bool tooWideY = q.minLengthNS() * 2 < q.maxLengthEW(); // trop allongé (côté N ou S deux fois plus petit que le côté E ou W).
	if (!big && proba(seed, n, 1, 20)) {
		return new TerrainQuadHerbe(ne, se, sw, nw);
	} else if (small && anglesAcceptable) {
		return new BatimentQuad(ne, se, sw, nw, N);
	} else if (!small && !anglesOk) {
		return new QuartierQuadAngle(ne, se, sw, nw);
	} else if (!small && tooWideY) {
		return new QuartierQuadRect(nw, ne, se, sw);
	} else if (!small && tooWideX) {
		return new QuartierQuadRect(ne, se, sw, nw);
	} else if (!small) {
		return new QuartierQuadCarre(ne, se, sw, nw);
	} else {
		return new TerrainQuadHerbe(ne, se, sw, nw);
	}
}

bool QuartierQuad::split() {
	std::cout << "ERROR : QuartierQuad cannot be split." << std::endl;
	return false;
}

void QuartierQuad::triangulation() {
	triangles.reserve(2);
	addTriangle(new GPUTriangle(c[NE], c[NW], c[SW], 0xc0, 0xc0, 0xc0));
	addTriangle(new GPUTriangle(c[SW], c[SE], c[NE], 0xc0, 0xc0, 0xc0));
}