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authorVitaliy <silverunicorn2011@yandex.ru>2017-11-09 01:56:20 +0300
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-11-08 23:56:20 +0100
commit20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch)
tree67378802190117d8271b3b6d489a92bcb16203b7 /src/mg_biome.h
parentfc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff)
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Move files to subdirectories (#6599)
* Move files around
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-/*
-Minetest
-Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
-Copyright (C) 2014-2017 paramat
-
-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 "objdef.h"
-#include "nodedef.h"
-#include "noise.h"
-
-class Server;
-class Settings;
-class BiomeManager;
-
-////
-//// Biome
-////
-
-typedef u8 biome_t;
-
-#define BIOME_NONE ((biome_t)0)
-
-// TODO(hmmmm): Decide whether this is obsolete or will be used in the future
-enum BiomeType {
- BIOMETYPE_NORMAL,
- BIOMETYPE_LIQUID,
- BIOMETYPE_NETHER,
- BIOMETYPE_AETHER,
- BIOMETYPE_FLAT,
-};
-
-class Biome : public ObjDef, public NodeResolver {
-public:
- u32 flags;
-
- content_t c_top;
- content_t c_filler;
- content_t c_stone;
- content_t c_water_top;
- content_t c_water;
- content_t c_river_water;
- content_t c_riverbed;
- content_t c_dust;
-
- s16 depth_top;
- s16 depth_filler;
- s16 depth_water_top;
- s16 depth_riverbed;
-
- s16 y_min;
- s16 y_max;
- float heat_point;
- float humidity_point;
-
- 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;
-};
-
-class BiomeGen {
-public:
- virtual ~BiomeGen() = default;
-
- virtual BiomeGenType getType() const = 0;
-
- // 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) = 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, s16 y) 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,
- BiomeParamsOriginal *params, v3s16 chunksize);
- virtual ~BiomeGenOriginal();
-
- BiomeGenType getType() const { return BIOMEGEN_ORIGINAL; }
-
- Biome *calcBiomeAtPoint(v3s16 pos) const;
- void calcBiomeNoise(v3s16 pmin);
-
- biome_t *getBiomes(s16 *heightmap);
- Biome *getBiomeAtPoint(v3s16 pos) const;
- Biome *getBiomeAtIndex(size_t index, s16 y) const;
-
- Biome *calcBiomeFromNoise(float heat, float humidity, s16 y) const;
-
- float *heatmap;
- float *humidmap;
-
-private:
- 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;
-
- 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:
- Server *m_server;
-
-};