/*
 * © Copyright 2014 – Urheberrechtshinweis
 * Alle Rechte vorbehalten / All Rights Reserved
 *
 * Programmcode ist urheberrechtlich geschuetzt.
 * Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
 * Keine Verwendung ohne explizite Genehmigung.
 * (vgl. § 106 ff UrhG / § 97 UrhG)
 */

#include "FloorplanRenderer.h"

#include <unordered_set>
#include <Indoor/navMesh/NavMesh.h>
#include <Indoor/navMesh/NavMeshTriangle.h>
#include <Indoor/navMesh/NavMeshType.h>

#include <QPainter>
#include <QOpenGLWidget>
#include <QOpenGLFunctions>

#include "../misc/Renderable3D.h"
#include "../misc/Shader.h"
#include "../misc/TriangleData.h"

#include <Indoor/floorplan/3D/Builder.h>

#include "RenderTriangle.h"


/** ctor */
FloorplanRenderer::FloorplanRenderer()  {
	;
}

void FloorplanRenderer::renderSolid(const RenderSettings& rs, const RenderTriangle& rt, bool wireframe) {

	rs.shader->bind();
	rs.shader->setModelMatrix(QMatrix4x4());

	rs.shader->setVertices(rt.getVertices());
	rs.shader->setNormals(rt.getNormals());
	rs.shader->setVertexColor(rt.getRGBA());
	rs.funcs->glDrawArrays(GL_TRIANGLES, 0, rt.count());
	rs.shader->unsetVertices();
	rs.shader->unsetNormals();
	rs.shader->unsetVertexColor();

	if (wireframe) {
		RenderTriangle rt2 = rt.toWireframe(false);
		rs.shader->setColor(0,0,0,128);
		rs.shader->setVertices(rt2.getVertices());
		//rs.shader->setVertexColor(rt2.getRGBA());
		rs.funcs->glDrawArrays(GL_LINES, 0, rt2.count());
		rs.shader->unsetVertices();
		//rs.shader->unsetVertexColor();
	}
	rs.shader->release();

}

void FloorplanRenderer::renderTransp(const RenderSettings& rs, const RenderTriangle& rt, bool wireframe) {

	rs.funcs->glEnable(GL_BLEND);
	rs.funcs->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

	rs.shader->bind();
	rs.shader->setModelMatrix(QMatrix4x4());

	rs.shader->setVertices(rt.getVertices());
	rs.shader->setNormals(rt.getNormals());
	rs.shader->setVertexColor(rt.getRGBA());
	rs.funcs->glDrawArrays(GL_TRIANGLES, 0, rt.count());
	rs.shader->unsetVertices();
	rs.shader->unsetNormals();
	rs.shader->unsetVertexColor();

	if (wireframe) {
		RenderTriangle rt2 = rt.toWireframe(false);
		rs.shader->setColor(0,0,0,128);
		rs.shader->setVertices(rt2.getVertices());
		//rs.shader->setVertexColor(rt2.getRGBA());
		rs.funcs->glDrawArrays(GL_LINES, 0, rt2.count());
		rs.shader->unsetVertices();
		//rs.shader->unsetVertexColor();
	}

	rs.shader->release();

	rs.funcs->glDisable(GL_BLEND);

}