/*	EQEmu: EQEmulator

	Copyright (C) 2001-2026 EQEmu Development Team

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once

#include "zone/position.h"
#include "zone/zone_config.h"

#include <cstdio>

#define BEST_Z_INVALID -99999

extern const ZoneConfig *Config;

class Map
{
public:
	Map();
	~Map();

	float FindBestZ(glm::vec3 &start, glm::vec3 *result) const;
	float FindClosestZ(glm::vec3 &start, glm::vec3 *result) const;
	float FindCeiling(glm::vec3 &start, glm::vec3 *result) const;
	float FindGround(glm::vec3 &start, glm::vec3 *result) const;
	bool LineIntersectsZone(glm::vec3 start, glm::vec3 end, float step, glm::vec3 *result) const;
	bool LineIntersectsZoneNoZLeaps(glm::vec3 start, glm::vec3 end, float step_mag, glm::vec3 *result) const;
	bool CheckLoS(glm::vec3 myloc, glm::vec3 oloc) const;
	bool DoCollisionCheck(glm::vec3 myloc, glm::vec3 oloc, glm::vec3 &outnorm, float &distance) const;

#ifdef USE_MAP_MMFS
	bool Load(std::string filename, bool force_mmf_overwrite = false);
#else
	bool Load(const std::string& filename);
#endif

	static Map *LoadMapFile(std::string file);
private:
	void RotateVertex(glm::vec3 &v, float rx, float ry, float rz);
	void ScaleVertex(glm::vec3 &v, float sx, float sy, float sz);
	void TranslateVertex(glm::vec3 &v, float tx, float ty, float tz);
	bool LoadV1(FILE *f);
	bool LoadV2(FILE *f);

#ifdef USE_MAP_MMFS
	bool LoadMMF(const std::string& map_file_name, bool force_mmf_overwrite);
	bool SaveMMF(const std::string& map_file_name, bool force_mmf_overwrite);
#endif /*USE_MAP_MMFS*/

	struct impl;
	impl *imp;
};