127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
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Copyright (C) 2015-2018 paramat
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include "voxel.h"
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#include "noise.h"
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#include "mapgen.h"
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#define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1
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#define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2
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#define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\
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VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE)
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class MMVManip;
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class NodeDefManager;
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v3s16 rand_ortho_dir(PseudoRandom &random, bool diagonal_dirs);
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v3s16 turn_xz(v3s16 olddir, int t);
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void random_turn(PseudoRandom &random, v3s16 &dir);
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int dir_to_facedir(v3s16 d);
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struct DungeonParams {
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s32 seed;
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content_t c_wall;
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// Randomly scattered alternative wall nodes
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content_t c_alt_wall;
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content_t c_stair;
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// 3D noise that determines which c_wall nodes are converted to c_alt_wall
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NoiseParams np_alt_wall;
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// Number of dungeons generated in mapchunk. All will use the same set of
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// dungeonparams.
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u16 num_dungeons;
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// Dungeons only generate in ground
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bool only_in_ground;
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// Number of rooms
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u16 num_rooms;
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// Room size random range. Includes walls / floor / ceilng
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v3s16 room_size_min;
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v3s16 room_size_max;
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// Large room size random range. Includes walls / floor / ceilng
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v3s16 room_size_large_min;
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v3s16 room_size_large_max;
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// Value 0 disables large rooms.
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// Value 1 results in 1 large room, the first generated room.
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// Value > 1 makes the first generated room large, all other rooms have a
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// '1 in value' chance of being large.
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u16 large_room_chance;
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// Dimensions of 3D 'brush' that creates corridors.
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// Dimensions are of the empty space, not including walls / floor / ceilng.
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// Diagonal corridors must have hole width >=2 to be passable.
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// Currently, hole width >= 3 causes stair corridor bugs.
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v3s16 holesize;
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// Corridor length random range
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u16 corridor_len_min;
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u16 corridor_len_max;
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// Diagonal corridors are possible, 1 in 4 corridors will be diagonal
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bool diagonal_dirs;
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// Usually 'GENNOTIFY_DUNGEON', but mapgen v6 uses 'GENNOTIFY_TEMPLE' for
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// desert dungeons.
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GenNotifyType notifytype;
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};
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class DungeonGen {
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public:
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MMVManip *vm = nullptr;
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const NodeDefManager *ndef;
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GenerateNotifier *gennotify;
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u32 blockseed;
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PseudoRandom random;
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v3s16 csize;
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content_t c_torch;
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DungeonParams dp;
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// RoomWalker
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v3s16 m_pos;
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v3s16 m_dir;
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DungeonGen(const NodeDefManager *ndef,
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GenerateNotifier *gennotify, DungeonParams *dparams);
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void generate(MMVManip *vm, u32 bseed, v3s16 full_node_min, v3s16 full_node_max);
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void makeDungeon(v3s16 start_padding);
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void makeRoom(v3s16 roomsize, v3s16 roomplace);
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void makeCorridor(v3s16 doorplace, v3s16 doordir,
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v3s16 &result_place, v3s16 &result_dir);
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void makeDoor(v3s16 doorplace, v3s16 doordir);
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void makeFill(v3s16 place, v3s16 size, u8 avoid_flags, MapNode n, u8 or_flags);
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void makeHole(v3s16 place);
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bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir);
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bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace,
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v3s16 &result_doordir, v3s16 &result_roomplace);
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inline void randomizeDir()
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{
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m_dir = rand_ortho_dir(random, dp.diagonal_dirs);
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}
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};
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extern NoiseParams nparams_dungeon_density;
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extern NoiseParams nparams_dungeon_alt_wall;
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