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/*
Minetest
Copyright (C) 2010-2013 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.
*/
#ifndef DUNGEONGEN_HEADER
#define DUNGEONGEN_HEADER
#include "voxel.h"
#include "noise.h"
#define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1
#define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2
#define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\
VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE)
class ManualMapVoxelManipulator;
class INodeDefManager;
v3s16 rand_ortho_dir(PseudoRandom &random);
v3s16 turn_xz(v3s16 olddir, int t);
v3s16 random_turn(PseudoRandom &random, v3s16 olddir);
int dir_to_facedir(v3s16 d);
class DungeonGen {
public:
u32 blockseed;
u64 mapseed;
ManualMapVoxelManipulator *vmanip;
INodeDefManager *ndef;
PseudoRandom random;
v3s16 csize;
s16 water_level;
NoiseParams *np_rarity;
NoiseParams *np_wetness;
NoiseParams *np_density;
content_t cid_water_source;
content_t cid_cobble;
content_t cid_mossycobble;
content_t cid_torch;
content_t cid_cobblestair;
//RoomWalker
v3s16 m_pos;
v3s16 m_dir;
DungeonGen(INodeDefManager *ndef, u64 seed, s16 waterlevel);
void generate(ManualMapVoxelManipulator *vm, u32 bseed,
v3s16 full_node_min, v3s16 full_node_max);
//void generate(v3s16 full_node_min, v3s16 full_node_max, u32 bseed);
void makeDungeon(v3s16 start_padding);
void makeRoom(v3s16 roomsize, v3s16 roomplace);
void makeCorridor(v3s16 doorplace, v3s16 doordir,
v3s16 &result_place, v3s16 &result_dir);
void makeDoor(v3s16 doorplace, v3s16 doordir);
void makeFill(v3s16 place, v3s16 size, u8 avoid_flags, MapNode n, u8 or_flags);
void makeHole(v3s16 place);
bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir);
bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace,
v3s16 &result_doordir, v3s16 &result_roomplace);
void randomizeDir()
{
m_dir = rand_ortho_dir(random);
}
};
class RoomWalker
{
public:
RoomWalker(VoxelManipulator &vmanip_, v3s16 pos, PseudoRandom &random,
INodeDefManager *ndef):
vmanip(vmanip_),
m_pos(pos),
m_random(random),
m_ndef(ndef)
{
randomizeDir();
}
void randomizeDir()
{
m_dir = rand_ortho_dir(m_random);
}
void setPos(v3s16 pos)
{
m_pos = pos;
}
void setDir(v3s16 dir)
{
m_dir = dir;
}
//bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir);
//bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace,
// v3s16 &result_doordir, v3s16 &result_roomplace);
private:
VoxelManipulator &vmanip;
v3s16 m_pos;
v3s16 m_dir;
PseudoRandom &m_random;
INodeDefManager *m_ndef;
};
#endif
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