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/*
Minetest
Copyright (C) 2013-2017 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#pragma once

#include "exceptions.h"

namespace con
{
/*
	Exceptions
*/
class NotFoundException : public BaseException
{
public:
	NotFoundException(const char *s) : BaseException(s) {}
};

class PeerNotFoundException : public BaseException
{
public:
	PeerNotFoundException(const char *s) : BaseException(s) {}
};

class ConnectionException : public BaseException
{
public:
	ConnectionException(const char *s) : BaseException(s) {}
};

class ConnectionBindFailed : public BaseException
{
public:
	ConnectionBindFailed(const char *s) : BaseException(s) {}
};

class InvalidIncomingDataException : public BaseException
{
public:
	InvalidIncomingDataException(const char *s) : BaseException(s) {}
};

class NoIncomingDataException : public BaseException
{
public:
	NoIncomingDataException(const char *s) : BaseException(s) {}
};

class ProcessedSilentlyException : public BaseException
{
public:
	ProcessedSilentlyException(const char *s) : BaseException(s) {}
};

class ProcessedQueued : public BaseException
{
public:
	ProcessedQueued(const char *s) : BaseException(s) {}
};

class IncomingDataCorruption : public BaseException
{
public:
	IncomingDataCorruption(const char *s) : BaseException(s) {}
};
}

class SocketException : public BaseException
{
public:
	SocketException(const std::string &s) : BaseException(s) {}
};

class ResolveError : public BaseException
{
public:
	ResolveError(const std::string &s) : BaseException(s) {}
};

class SendFailedException : public BaseException
{
public:
	SendFailedException(const std::string &s) : BaseException(s) {}
};
th_filler; s16 depth_water_top; s16 depth_riverbed; v3s16 min_pos; v3s16 max_pos; float heat_point; float humidity_point; s16 vertical_blend; virtual void resolveNodeNames(); }; //// //// BiomeGen //// enum BiomeGenType { BIOMEGEN_ORIGINAL, }; struct BiomeParams { virtual void readParams(const Settings *settings) = 0; virtual void writeParams(Settings *settings) const = 0; virtual ~BiomeParams() = default; s32 seed; }; // WARNING: this class is not thread-safe class BiomeGen { public: virtual ~BiomeGen() = default; virtual BiomeGenType getType() const = 0; // Clone this BiomeGen and set a the new BiomeManager to be used by the copy virtual BiomeGen *clone(BiomeManager *biomemgr) const = 0; // Check that the internal chunk size is what the mapgen expects, just to be sure. inline void assertChunkSize(v3s16 expect) const { FATAL_ERROR_IF(m_csize != expect, "Chunk size mismatches"); } // Calculates the biome at the exact position provided. This function can // be called at any time, but may be less efficient than the latter methods, // depending on implementation. virtual Biome *calcBiomeAtPoint(v3s16 pos) const = 0; // Computes any intermediate results needed for biome generation. Must be // called before using any of: getBiomes, getBiomeAtPoint, or getBiomeAtIndex. // Calling this invalidates the previous results stored in biomemap. virtual void calcBiomeNoise(v3s16 pmin) = 0; // Gets all biomes in current chunk using each corresponding element of // heightmap as the y position, then stores the results by biome index in // biomemap (also returned) virtual biome_t *getBiomes(s16 *heightmap, v3s16 pmin) = 0; // Gets a single biome at the specified position, which must be contained // in the region formed by m_pmin and (m_pmin + m_csize - 1). virtual Biome *getBiomeAtPoint(v3s16 pos) const = 0; // Same as above, but uses a raw numeric index correlating to the (x,z) position. virtual Biome *getBiomeAtIndex(size_t index, v3s16 pos) const = 0; // Result of calcBiomes bulk computation. biome_t *biomemap = nullptr; protected: BiomeManager *m_bmgr = nullptr; v3s16 m_pmin; v3s16 m_csize; }; //// //// BiomeGen implementations //// // // Original biome algorithm (Whittaker's classification + surface height) // struct BiomeParamsOriginal : public BiomeParams { BiomeParamsOriginal() : np_heat(50, 50, v3f(1000.0, 1000.0, 1000.0), 5349, 3, 0.5, 2.0), np_humidity(50, 50, v3f(1000.0, 1000.0, 1000.0), 842, 3, 0.5, 2.0), np_heat_blend(0, 1.5, v3f(8.0, 8.0, 8.0), 13, 2, 1.0, 2.0), np_humidity_blend(0, 1.5, v3f(8.0, 8.0, 8.0), 90003, 2, 1.0, 2.0) { } virtual void readParams(const Settings *settings); virtual void writeParams(Settings *settings) const; NoiseParams np_heat; NoiseParams np_humidity; NoiseParams np_heat_blend; NoiseParams np_humidity_blend; }; class BiomeGenOriginal : public BiomeGen { public: BiomeGenOriginal(BiomeManager *biomemgr, const BiomeParamsOriginal *params, v3s16 chunksize); virtual ~BiomeGenOriginal(); BiomeGenType getType() const { return BIOMEGEN_ORIGINAL; } BiomeGen *clone(BiomeManager *biomemgr) const; // Slower, meant for Script API use float calcHeatAtPoint(v3s16 pos) const; float calcHumidityAtPoint(v3s16 pos) const; Biome *calcBiomeAtPoint(v3s16 pos) const; void calcBiomeNoise(v3s16 pmin); biome_t *getBiomes(s16 *heightmap, v3s16 pmin); Biome *getBiomeAtPoint(v3s16 pos) const; Biome *getBiomeAtIndex(size_t index, v3s16 pos) const; Biome *calcBiomeFromNoise(float heat, float humidity, v3s16 pos) const; float *heatmap; float *humidmap; private: const BiomeParamsOriginal *m_params; Noise *noise_heat; Noise *noise_humidity; Noise *noise_heat_blend; Noise *noise_humidity_blend; }; //// //// BiomeManager //// class BiomeManager : public ObjDefManager { public: BiomeManager(Server *server); virtual ~BiomeManager() = default; BiomeManager *clone() const; const char *getObjectTitle() const { return "biome"; } static Biome *create(BiomeType type) { return new Biome; } BiomeGen *createBiomeGen(BiomeGenType type, BiomeParams *params, v3s16 chunksize) { switch (type) { case BIOMEGEN_ORIGINAL: return new BiomeGenOriginal(this, (BiomeParamsOriginal *)params, chunksize); default: return NULL; } } static BiomeParams *createBiomeParams(BiomeGenType type) { switch (type) { case BIOMEGEN_ORIGINAL: return new BiomeParamsOriginal; default: return NULL; } } virtual void clear(); private: BiomeManager() {}; Server *m_server; };