2011-09-11 18:16:07 +02:00
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/*
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2013-02-24 18:40:43 +01:00
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Minetest
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2013-02-24 19:38:45 +01:00
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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2011-06-25 17:12:41 +02:00
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This program is free software; you can redistribute it and/or modify
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2012-06-05 16:56:56 +02:00
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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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2011-06-25 17:12:41 +02:00
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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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2012-06-05 16:56:56 +02:00
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GNU Lesser General Public License for more details.
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2011-06-25 17:12:41 +02:00
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2012-06-05 16:56:56 +02:00
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You should have received a copy of the GNU Lesser General Public License along
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2011-06-25 17:12:41 +02:00
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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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#include "mapgen.h"
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#include "voxel.h"
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#include "noise.h"
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2014-12-12 20:07:49 +01:00
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#include "gamedef.h"
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2014-11-01 18:16:23 +01:00
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#include "mg_biome.h"
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2011-06-25 17:12:41 +02:00
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#include "mapblock.h"
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2012-11-26 03:16:48 +01:00
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#include "mapnode.h"
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2011-06-25 17:12:41 +02:00
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#include "map.h"
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2011-06-26 14:48:56 +02:00
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#include "content_sao.h"
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2011-11-14 20:41:30 +01:00
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#include "nodedef.h"
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2014-12-06 10:18:04 +01:00
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#include "emerge.h"
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2011-11-16 13:08:31 +01:00
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#include "content_mapnode.h" // For content_mapnode_get_new_name
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2012-01-27 12:24:06 +01:00
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#include "voxelalgorithms.h"
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2012-01-27 13:10:10 +01:00
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#include "profiler.h"
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2012-11-26 03:16:48 +01:00
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#include "settings.h" // For g_settings
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2012-01-27 13:10:10 +01:00
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#include "main.h" // For g_profiler
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2012-12-29 16:20:09 +01:00
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#include "treegen.h"
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2013-08-11 04:09:45 +02:00
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#include "serialization.h"
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2013-06-22 06:29:44 +02:00
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#include "util/serialize.h"
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2013-08-13 19:15:06 +02:00
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#include "filesys.h"
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2014-09-12 00:22:05 +02:00
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#include "log.h"
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2013-01-06 20:40:24 +01:00
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2014-11-13 05:01:13 +01:00
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const char *GenElementManager::ELEMENT_TITLE = "element";
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2014-02-04 04:42:10 +01:00
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2013-02-05 21:01:33 +01:00
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FlagDesc flagdesc_mapgen[] = {
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2014-02-08 23:50:26 +01:00
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{"trees", MG_TREES},
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{"caves", MG_CAVES},
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{"dungeons", MG_DUNGEONS},
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{"flat", MG_FLAT},
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{"light", MG_LIGHT},
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{NULL, 0}
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2013-04-01 02:02:03 +02:00
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};
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2013-12-14 07:52:06 +01:00
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FlagDesc flagdesc_gennotify[] = {
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{"dungeon", 1 << GENNOTIFY_DUNGEON},
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{"temple", 1 << GENNOTIFY_TEMPLE},
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{"cave_begin", 1 << GENNOTIFY_CAVE_BEGIN},
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{"cave_end", 1 << GENNOTIFY_CAVE_END},
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{"large_cave_begin", 1 << GENNOTIFY_LARGECAVE_BEGIN},
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{"large_cave_end", 1 << GENNOTIFY_LARGECAVE_END},
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2014-12-06 10:18:04 +01:00
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{"decoration", 1 << GENNOTIFY_DECORATION},
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2013-12-14 07:52:06 +01:00
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{NULL, 0}
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};
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2013-03-24 06:43:38 +01:00
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2013-06-22 06:29:44 +02:00
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///////////////////////////////////////////////////////////////////////////////
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2014-12-06 10:18:04 +01:00
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Mapgen::Mapgen()
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{
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generating = false;
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id = -1;
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seed = 0;
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water_level = 0;
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flags = 0;
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2013-06-22 06:29:44 +02:00
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2013-06-16 04:23:06 +02:00
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vm = NULL;
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ndef = NULL;
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heightmap = NULL;
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biomemap = NULL;
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2014-12-06 10:18:04 +01:00
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}
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2013-12-14 07:52:06 +01:00
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2014-12-06 10:18:04 +01:00
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Mapgen::Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge) :
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gennotify(emerge->gen_notify_on, &emerge->gen_notify_on_deco_ids)
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{
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generating = false;
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id = mapgenid;
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seed = (int)params->seed;
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water_level = params->water_level;
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flags = params->flags;
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csize = v3s16(1, 1, 1) * (params->chunksize * MAP_BLOCKSIZE);
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vm = NULL;
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ndef = NULL;
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heightmap = NULL;
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biomemap = NULL;
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2013-12-14 07:52:06 +01:00
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}
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2014-12-06 10:18:04 +01:00
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Mapgen::~Mapgen()
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{
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2013-06-16 04:23:06 +02:00
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}
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// Returns Y one under area minimum if not found
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2014-12-06 10:18:04 +01:00
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s16 Mapgen::findGroundLevelFull(v2s16 p2d)
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{
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2013-06-16 04:23:06 +02:00
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v3s16 em = vm->m_area.getExtent();
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s16 y_nodes_max = vm->m_area.MaxEdge.Y;
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s16 y_nodes_min = vm->m_area.MinEdge.Y;
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u32 i = vm->m_area.index(p2d.X, y_nodes_max, p2d.Y);
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s16 y;
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2013-12-08 05:43:46 +01:00
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2013-06-16 04:23:06 +02:00
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for (y = y_nodes_max; y >= y_nodes_min; y--) {
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MapNode &n = vm->m_data[i];
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if (ndef->get(n).walkable)
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break;
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vm->m_area.add_y(em, i, -1);
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}
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return (y >= y_nodes_min) ? y : y_nodes_min - 1;
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}
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2014-12-06 10:18:04 +01:00
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s16 Mapgen::findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax)
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{
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2013-06-16 04:23:06 +02:00
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v3s16 em = vm->m_area.getExtent();
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u32 i = vm->m_area.index(p2d.X, ymax, p2d.Y);
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s16 y;
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2013-12-08 05:43:46 +01:00
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2013-06-16 04:23:06 +02:00
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for (y = ymax; y >= ymin; y--) {
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MapNode &n = vm->m_data[i];
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if (ndef->get(n).walkable)
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break;
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vm->m_area.add_y(em, i, -1);
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}
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return y;
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}
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2014-12-06 10:18:04 +01:00
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void Mapgen::updateHeightmap(v3s16 nmin, v3s16 nmax)
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{
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2013-06-16 04:23:06 +02:00
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if (!heightmap)
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return;
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2013-12-08 05:43:46 +01:00
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2013-06-16 04:23:06 +02:00
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//TimeTaker t("Mapgen::updateHeightmap", NULL, PRECISION_MICRO);
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int index = 0;
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for (s16 z = nmin.Z; z <= nmax.Z; z++) {
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2013-07-06 08:21:35 +02:00
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for (s16 x = nmin.X; x <= nmax.X; x++, index++) {
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2013-06-16 04:23:06 +02:00
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s16 y = findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y);
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2013-07-06 08:21:35 +02:00
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// if the values found are out of range, trust the old heightmap
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if (y == nmax.Y && heightmap[index] > nmax.Y)
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continue;
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if (y == nmin.Y - 1 && heightmap[index] < nmin.Y)
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continue;
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2013-12-08 05:43:46 +01:00
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2013-07-06 08:21:35 +02:00
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heightmap[index] = y;
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2013-06-16 04:23:06 +02:00
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}
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}
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//printf("updateHeightmap: %dus\n", t.stop());
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}
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2014-12-06 10:18:04 +01:00
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void Mapgen::updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax)
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{
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2014-04-19 00:24:45 +02:00
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bool isliquid, wasliquid;
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2013-03-16 03:43:35 +01:00
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v3s16 em = vm->m_area.getExtent();
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2013-03-12 02:32:52 +01:00
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for (s16 z = nmin.Z; z <= nmax.Z; z++) {
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for (s16 x = nmin.X; x <= nmax.X; x++) {
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wasliquid = true;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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u32 i = vm->m_area.index(x, nmax.Y, z);
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2013-03-12 02:32:52 +01:00
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for (s16 y = nmax.Y; y >= nmin.Y; y--) {
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isliquid = ndef->get(vm->m_data[i]).isLiquid();
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2013-06-16 04:23:06 +02:00
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2014-04-18 19:08:03 +02:00
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// there was a change between liquid and nonliquid, add to queue.
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if (isliquid != wasliquid)
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2013-03-16 03:43:35 +01:00
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trans_liquid->push_back(v3s16(x, y, z));
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2013-03-12 02:32:52 +01:00
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wasliquid = isliquid;
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vm->m_area.add_y(em, i, -1);
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}
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}
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}
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}
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2014-12-06 10:18:04 +01:00
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void Mapgen::setLighting(v3s16 nmin, v3s16 nmax, u8 light)
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{
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2013-03-16 03:43:35 +01:00
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ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
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2013-04-07 08:26:46 +02:00
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VoxelArea a(nmin, nmax);
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2013-03-16 03:43:35 +01:00
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for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
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for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) {
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u32 i = vm->m_area.index(a.MinEdge.X, y, z);
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for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++)
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vm->m_data[i].param1 = light;
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}
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}
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}
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2014-12-06 10:18:04 +01:00
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void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light)
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{
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2013-03-16 03:43:35 +01:00
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if (light <= 1 || !a.contains(p))
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return;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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u32 vi = vm->m_area.index(p);
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MapNode &nn = vm->m_data[vi];
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light--;
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// should probably compare masked, but doesn't seem to make a difference
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if (light <= nn.param1 || !ndef->get(nn).light_propagates)
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return;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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nn.param1 = light;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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lightSpread(a, p + v3s16(0, 0, 1), light);
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lightSpread(a, p + v3s16(0, 1, 0), light);
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lightSpread(a, p + v3s16(1, 0, 0), light);
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lightSpread(a, p - v3s16(0, 0, 1), light);
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lightSpread(a, p - v3s16(0, 1, 0), light);
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lightSpread(a, p - v3s16(1, 0, 0), light);
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}
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2014-12-06 10:18:04 +01:00
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void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax)
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{
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2013-04-07 08:26:46 +02:00
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VoxelArea a(nmin, nmax);
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2013-03-16 03:43:35 +01:00
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bool block_is_underground = (water_level >= nmax.Y);
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ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
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//TimeTaker t("updateLighting");
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// first, send vertical rays of sunshine downward
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v3s16 em = vm->m_area.getExtent();
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for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
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for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++) {
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// see if we can get a light value from the overtop
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u32 i = vm->m_area.index(x, a.MaxEdge.Y + 1, z);
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if (vm->m_data[i].getContent() == CONTENT_IGNORE) {
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if (block_is_underground)
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continue;
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} else if ((vm->m_data[i].param1 & 0x0F) != LIGHT_SUN) {
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continue;
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}
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vm->m_area.add_y(em, i, -1);
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2013-12-08 05:43:46 +01:00
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2013-03-16 03:43:35 +01:00
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for (int y = a.MaxEdge.Y; y >= a.MinEdge.Y; y--) {
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MapNode &n = vm->m_data[i];
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if (!ndef->get(n).sunlight_propagates)
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break;
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n.param1 = LIGHT_SUN;
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vm->m_area.add_y(em, i, -1);
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}
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}
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}
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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// now spread the sunlight and light up any sources
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for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
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for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) {
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u32 i = vm->m_area.index(a.MinEdge.X, y, z);
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for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++) {
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MapNode &n = vm->m_data[i];
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if (n.getContent() == CONTENT_IGNORE ||
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!ndef->get(n).light_propagates)
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continue;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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u8 light_produced = ndef->get(n).light_source & 0x0F;
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if (light_produced)
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n.param1 = light_produced;
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2013-06-16 04:23:06 +02:00
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2013-03-16 03:43:35 +01:00
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u8 light = n.param1 & 0x0F;
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if (light) {
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2013-06-29 04:22:44 +02:00
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lightSpread(a, v3s16(x, y, z + 1), light - 1);
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lightSpread(a, v3s16(x, y + 1, z ), light - 1);
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lightSpread(a, v3s16(x + 1, y, z ), light - 1);
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lightSpread(a, v3s16(x, y, z - 1), light - 1);
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lightSpread(a, v3s16(x, y - 1, z ), light - 1);
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lightSpread(a, v3s16(x - 1, y, z ), light - 1);
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2013-03-16 03:43:35 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2013-06-16 04:23:06 +02:00
|
|
|
|
2013-03-16 03:43:35 +01:00
|
|
|
//printf("updateLighting: %dms\n", t.stop());
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-12-06 10:18:04 +01:00
|
|
|
void Mapgen::calcLightingOld(v3s16 nmin, v3s16 nmax)
|
|
|
|
{
|
2013-03-12 02:32:52 +01:00
|
|
|
enum LightBank banks[2] = {LIGHTBANK_DAY, LIGHTBANK_NIGHT};
|
2013-04-07 08:26:46 +02:00
|
|
|
VoxelArea a(nmin, nmax);
|
2013-03-12 02:32:52 +01:00
|
|
|
bool block_is_underground = (water_level > nmax.Y);
|
|
|
|
bool sunlight = !block_is_underground;
|
|
|
|
|
|
|
|
ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
|
2013-06-16 04:23:06 +02:00
|
|
|
|
2013-03-12 02:32:52 +01:00
|
|
|
for (int i = 0; i < 2; i++) {
|
|
|
|
enum LightBank bank = banks[i];
|
2013-03-16 03:43:35 +01:00
|
|
|
std::set<v3s16> light_sources;
|
|
|
|
std::map<v3s16, u8> unlight_from;
|
2013-03-12 02:32:52 +01:00
|
|
|
|
|
|
|
voxalgo::clearLightAndCollectSources(*vm, a, bank, ndef,
|
2014-11-13 05:01:13 +01:00
|
|
|
light_sources, unlight_from);
|
2013-03-12 02:32:52 +01:00
|
|
|
voxalgo::propagateSunlight(*vm, a, sunlight, light_sources, ndef);
|
2013-03-16 03:43:35 +01:00
|
|
|
|
2013-03-12 02:32:52 +01:00
|
|
|
vm->unspreadLight(bank, unlight_from, light_sources, ndef);
|
|
|
|
vm->spreadLight(bank, light_sources, ndef);
|
|
|
|
}
|
|
|
|
}
|
2014-11-13 05:01:13 +01:00
|
|
|
|
|
|
|
|
2014-12-06 10:18:04 +01:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
GenerateNotifier::GenerateNotifier()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
GenerateNotifier::GenerateNotifier(u32 notify_on,
|
|
|
|
std::set<u32> *notify_on_deco_ids)
|
|
|
|
{
|
|
|
|
m_notify_on = notify_on;
|
|
|
|
m_notify_on_deco_ids = notify_on_deco_ids;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void GenerateNotifier::setNotifyOn(u32 notify_on)
|
|
|
|
{
|
|
|
|
m_notify_on = notify_on;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void GenerateNotifier::setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids)
|
|
|
|
{
|
|
|
|
m_notify_on_deco_ids = notify_on_deco_ids;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool GenerateNotifier::addEvent(GenNotifyType type, v3s16 pos, u32 id)
|
|
|
|
{
|
|
|
|
if (!(m_notify_on & (1 << type)))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (type == GENNOTIFY_DECORATION &&
|
|
|
|
m_notify_on_deco_ids->find(id) == m_notify_on_deco_ids->end())
|
|
|
|
return false;
|
|
|
|
|
|
|
|
GenNotifyEvent gne;
|
|
|
|
gne.type = type;
|
|
|
|
gne.pos = pos;
|
|
|
|
gne.id = id;
|
|
|
|
m_notify_events.push_back(gne);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void GenerateNotifier::getEvents(
|
|
|
|
std::map<std::string, std::vector<v3s16> > &event_map,
|
|
|
|
bool peek_events)
|
|
|
|
{
|
|
|
|
std::list<GenNotifyEvent>::iterator it;
|
|
|
|
|
|
|
|
for (it = m_notify_events.begin(); it != m_notify_events.end(); ++it) {
|
|
|
|
GenNotifyEvent &gn = *it;
|
|
|
|
std::string name = (gn.type == GENNOTIFY_DECORATION) ?
|
|
|
|
"decoration#"+ itos(gn.id) :
|
|
|
|
flagdesc_gennotify[gn.type].name;
|
|
|
|
|
|
|
|
event_map[name].push_back(gn.pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!peek_events)
|
|
|
|
m_notify_events.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-11-13 05:01:13 +01:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
2014-12-12 20:07:49 +01:00
|
|
|
GenElementManager::GenElementManager(IGameDef *gamedef)
|
|
|
|
{
|
2014-12-17 09:20:17 +01:00
|
|
|
m_ndef = gamedef->getNodeDefManager();
|
2014-12-12 20:07:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-11-13 05:01:13 +01:00
|
|
|
GenElementManager::~GenElementManager()
|
|
|
|
{
|
|
|
|
for (size_t i = 0; i != m_elements.size(); i++)
|
|
|
|
delete m_elements[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
u32 GenElementManager::add(GenElement *elem)
|
|
|
|
{
|
|
|
|
size_t nelem = m_elements.size();
|
|
|
|
|
|
|
|
for (size_t i = 0; i != nelem; i++) {
|
|
|
|
if (m_elements[i] == NULL) {
|
|
|
|
elem->id = i;
|
|
|
|
m_elements[i] = elem;
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (nelem >= this->ELEMENT_LIMIT)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
elem->id = nelem;
|
|
|
|
m_elements.push_back(elem);
|
|
|
|
|
|
|
|
verbosestream << "GenElementManager: added " << this->ELEMENT_TITLE
|
|
|
|
<< " element '" << elem->name << "'" << std::endl;
|
|
|
|
|
|
|
|
return nelem;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
GenElement *GenElementManager::get(u32 id)
|
|
|
|
{
|
|
|
|
return (id < m_elements.size()) ? m_elements[id] : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-12-07 00:08:08 +01:00
|
|
|
GenElement *GenElementManager::getByName(const std::string &name)
|
2014-11-13 05:01:13 +01:00
|
|
|
{
|
|
|
|
for (size_t i = 0; i != m_elements.size(); i++) {
|
|
|
|
GenElement *elem = m_elements[i];
|
2014-12-07 00:08:08 +01:00
|
|
|
if (elem && name == elem->name)
|
2014-11-13 05:01:13 +01:00
|
|
|
return elem;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
GenElement *GenElementManager::update(u32 id, GenElement *elem)
|
|
|
|
{
|
|
|
|
if (id >= m_elements.size())
|
2014-11-14 08:58:56 +01:00
|
|
|
return NULL;
|
2014-11-13 05:01:13 +01:00
|
|
|
|
|
|
|
GenElement *old_elem = m_elements[id];
|
|
|
|
m_elements[id] = elem;
|
|
|
|
return old_elem;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
GenElement *GenElementManager::remove(u32 id)
|
|
|
|
{
|
|
|
|
return update(id, NULL);
|
|
|
|
}
|
2014-12-07 00:08:08 +01:00
|
|
|
|
|
|
|
|
|
|
|
void GenElementManager::clear()
|
|
|
|
{
|
|
|
|
m_elements.clear();
|
|
|
|
}
|