/*
 * © 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)
 */

#ifndef NAVMESHRENDERER_H
#define NAVMESHRENDERER_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"

class NavMeshModel;

class NavMeshRenderer {

private:

	// settings
	//GridRendererColorMode colorMode = GridRendererColorMode::SHOW_NODE_IMPORTANCE;
	bool showEdges = false;

	struct Color {
		float r,g,b;
		Color() : r(1), g(0), b(0) {;}
		Color(float r, float g, float b) : r(r), g(g), b(b) {;}
	};

//	/** node color depending on the node's type. see ctor */
//	Color colors[200];

	TriangleData triangles;
	TriangleData outlines;
	int lastBuildID = 0;			// to check whether the model has changed

public:

	/** ctor */
	NavMeshRenderer();


//	void setNodeColorMode(const GridRendererColorMode mode) {this->colorMode = mode;}
	void setShowEdges(const bool show) {this->showEdges = show;}


	/** render the given grid using GL commands */
	void render(const RenderSettings& rs, NavMeshModel* model);

private:

	void rebuildIfNeeded(NavMeshModel* model);

};

#endif // NAVMESHRENDERER_H