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/*
Minetest
Copyright (C) 2015-2020 paramat
Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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 <unordered_set>
#include "objdef.h"
#include "noise.h"
#include "nodedef.h"
typedef u16 biome_t; // copy from mg_biome.h to avoid an unnecessary include
class Noise;
class Mapgen;
class MMVManip;
/////////////////// Ore generation flags
#define OREFLAG_ABSHEIGHT 0x01 // Non-functional but kept to not break flags
#define OREFLAG_PUFF_CLIFFS 0x02
#define OREFLAG_PUFF_ADDITIVE 0x04
#define OREFLAG_USE_NOISE 0x08
#define OREFLAG_USE_NOISE2 0x10
enum OreType {
ORE_SCATTER,
ORE_SHEET,
ORE_PUFF,
ORE_BLOB,
ORE_VEIN,
ORE_STRATUM,
};
extern FlagDesc flagdesc_ore[];
class Ore : public ObjDef, public NodeResolver {
public:
const bool needs_noise;
content_t c_ore; // the node to place
std::vector<content_t> c_wherein; // the nodes to be placed in
u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
s16 clust_num_ores; // how many ore nodes are in a chunk
s16 clust_size; // how large (in nodes) a chunk of ore is
s16 y_min;
s16 y_max;
u8 ore_param2; // to set node-specific attributes
u32 flags = 0; // attributes for this ore
float nthresh; // threshold for noise at which an ore is placed
NoiseParams np; // noise for distribution of clusters (NULL for uniform scattering)
Noise *noise = nullptr;
std::unordered_set<biome_t> biomes;
explicit Ore(bool needs_noise): needs_noise(needs_noise) {}
virtual ~Ore();
virtual void resolveNodeNames();
size_t placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) = 0;
protected:
void cloneTo(Ore *def) const;
};
class OreScatter : public Ore {
public:
OreScatter() : Ore(false) {}
ObjDef *clone() const;
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OreSheet : public Ore {
public:
OreSheet() : Ore(true) {}
ObjDef *clone() const;
u16 column_height_min;
u16 column_height_max;
float column_midpoint_factor;
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OrePuff : public Ore {
public:
ObjDef *clone() const;
NoiseParams np_puff_top;
NoiseParams np_puff_bottom;
Noise *noise_puff_top = nullptr;
Noise *noise_puff_bottom = nullptr;
OrePuff() : Ore(true) {}
virtual ~OrePuff();
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OreBlob : public Ore {
public:
ObjDef *clone() const;
OreBlob() : Ore(true) {}
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OreVein : public Ore {
public:
ObjDef *clone() const;
float random_factor;
Noise *noise2 = nullptr;
int sizey_prev = 0;
OreVein() : Ore(true) {}
virtual ~OreVein();
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OreStratum : public Ore {
public:
ObjDef *clone() const;
NoiseParams np_stratum_thickness;
Noise *noise_stratum_thickness = nullptr;
u16 stratum_thickness;
OreStratum() : Ore(false) {}
virtual ~OreStratum();
void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, biome_t *biomemap) override;
};
class OreManager : public ObjDefManager {
public:
OreManager(IGameDef *gamedef);
virtual ~OreManager() = default;
OreManager *clone() const;
const char *getObjectTitle() const
{
return "ore";
}
static Ore *create(OreType type)
{
switch (type) {
case ORE_SCATTER:
return new OreScatter;
case ORE_SHEET:
return new OreSheet;
case ORE_PUFF:
return new OrePuff;
case ORE_BLOB:
return new OreBlob;
case ORE_VEIN:
return new OreVein;
case ORE_STRATUM:
return new OreStratum;
default:
return nullptr;
}
}
void clear();
size_t placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
private:
OreManager() {};
};
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