Line data    Source code

       1             : /*
       2             : Minetest
       3             : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #ifndef DUNGEONGEN_HEADER
      21             : #define DUNGEONGEN_HEADER
      22             : 
      23             : #include "voxel.h"
      24             : #include "noise.h"
      25             : #include "mapgen.h"
      26             : 
      27             : #define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1
      28             : #define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2
      29             : #define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\
      30             :                 VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE)
      31             : 
      32             : class MMVManip;
      33             : class INodeDefManager;
      34             : 
      35             : v3s16 rand_ortho_dir(PseudoRandom &random, bool diagonal_dirs);
      36             : v3s16 turn_xz(v3s16 olddir, int t);
      37             : v3s16 random_turn(PseudoRandom &random, v3s16 olddir);
      38             : int dir_to_facedir(v3s16 d);
      39             : 
      40             : 
      41           0 : struct DungeonParams {
      42             :         content_t c_water;
      43             :         content_t c_cobble;
      44             :         content_t c_moss;
      45             :         content_t c_stair;
      46             : 
      47             :         GenNotifyType notifytype;
      48             :         bool diagonal_dirs;
      49             :         float mossratio;
      50             :         v3s16 holesize;
      51             :         v3s16 roomsize;
      52             : 
      53             :         NoiseParams np_rarity;
      54             :         NoiseParams np_wetness;
      55             :         NoiseParams np_density;
      56             : };
      57             : 
      58             : class DungeonGen {
      59             : public:
      60             :         MMVManip *vm;
      61             :         Mapgen *mg;
      62             :         u32 blockseed;
      63             :         PseudoRandom random;
      64             :         v3s16 csize;
      65             : 
      66             :         content_t c_torch;
      67             :         DungeonParams dp;
      68             : 
      69             :         //RoomWalker
      70             :         v3s16 m_pos;
      71             :         v3s16 m_dir;
      72             : 
      73             :         DungeonGen(Mapgen *mg, DungeonParams *dparams);
      74             :         void generate(u32 bseed, v3s16 full_node_min, v3s16 full_node_max);
      75             : 
      76             :         void makeDungeon(v3s16 start_padding);
      77             :         void makeRoom(v3s16 roomsize, v3s16 roomplace);
      78             :         void makeCorridor(v3s16 doorplace, v3s16 doordir,
      79             :                                           v3s16 &result_place, v3s16 &result_dir);
      80             :         void makeDoor(v3s16 doorplace, v3s16 doordir);
      81             :         void makeFill(v3s16 place, v3s16 size, u8 avoid_flags, MapNode n, u8 or_flags);
      82             :         void makeHole(v3s16 place);
      83             : 
      84             :         bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir);
      85             :         bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace,
      86             :                         v3s16 &result_doordir, v3s16 &result_roomplace);
      87             : 
      88           0 :         void randomizeDir()
      89             :         {
      90           0 :                 m_dir = rand_ortho_dir(random, dp.diagonal_dirs);
      91           0 :         }
      92             : };
      93             : 
      94             : extern NoiseParams nparams_dungeon_rarity;
      95             : extern NoiseParams nparams_dungeon_wetness;
      96             : extern NoiseParams nparams_dungeon_density;
      97             : 
      98             : #endif