minetest/src/mg_decoration.h

151 lines
3.3 KiB
C++

/*
Minetest
Copyright (C) 2010-2013 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.
*/
#ifndef MG_DECORATION_HEADER
#define MG_DECORATION_HEADER
#include <set>
#include "mapgen.h"
struct NoiseParams;
class Mapgen;
class MMVManip;
class PseudoRandom;
class Schematic;
enum DecorationType {
DECO_SIMPLE,
DECO_SCHEMATIC,
DECO_LSYSTEM
};
#define DECO_PLACE_CENTER_X 0x01
#define DECO_PLACE_CENTER_Y 0x02
#define DECO_PLACE_CENTER_Z 0x04
#define DECO_USE_NOISE 0x08
extern FlagDesc flagdesc_deco[];
#if 0
struct CutoffData {
VoxelArea a;
Decoration *deco;
//v3s16 p;
//v3s16 size;
//s16 height;
CutoffData(s16 x, s16 y, s16 z, s16 h) {
p = v3s16(x, y, z);
height = h;
}
};
#endif
class Decoration : public GenElement, public NodeResolver {
public:
INodeDefManager *ndef;
u32 flags;
int mapseed;
std::vector<content_t> c_place_on;
s16 sidelen;
s16 y_min;
s16 y_max;
float fill_ratio;
NoiseParams np;
std::set<u8> biomes;
//std::list<CutoffData> cutoffs;
//JMutex cutoff_mutex;
Decoration();
virtual ~Decoration();
virtual void resolveNodeNames(NodeResolveInfo *nri);
size_t placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
//size_t placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
virtual size_t generate(MMVManip *vm, PseudoRandom *pr, s16 max_y, v3s16 p) = 0;
virtual int getHeight() = 0;
};
class DecoSimple : public Decoration {
public:
std::vector<content_t> c_decos;
std::vector<content_t> c_spawnby;
s16 deco_height;
s16 deco_height_max;
s16 nspawnby;
virtual void resolveNodeNames(NodeResolveInfo *nri);
bool canPlaceDecoration(MMVManip *vm, v3s16 p);
virtual size_t generate(MMVManip *vm, PseudoRandom *pr, s16 max_y, v3s16 p);
virtual int getHeight();
};
class DecoSchematic : public Decoration {
public:
Rotation rotation;
Schematic *schematic;
std::string filename;
virtual size_t generate(MMVManip *vm, PseudoRandom *pr, s16 max_y, v3s16 p);
virtual int getHeight();
};
/*
class DecoLSystem : public Decoration {
public:
virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
};
*/
class DecorationManager : public GenElementManager {
public:
static const char *ELEMENT_TITLE;
static const size_t ELEMENT_LIMIT = 0x10000;
DecorationManager(IGameDef *gamedef);
~DecorationManager() {}
Decoration *create(int type)
{
switch (type) {
case DECO_SIMPLE:
return new DecoSimple;
case DECO_SCHEMATIC:
return new DecoSchematic;
//case DECO_LSYSTEM:
// return new DecoLSystem;
default:
return NULL;
}
}
void clear();
size_t placeAllDecos(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
};
#endif