X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapgen.cpp;h=3f83d21785757042960442886586453e4ca42f32;hb=63867b1a372a4d1a4a4ffdec9d0862b094211a89;hp=999c757d0be681fb181bc37cb2de4897843c6bcf;hpb=901d98b687d9681b83aface7e6697d6937023024;p=minetest.git diff --git a/src/mapgen.cpp b/src/mapgen.cpp index 999c757d0..3f83d2178 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -1,18 +1,18 @@ /* -Minetest-c55 -Copyright (C) 2010-2011 celeron55, Perttu Ahola +Minetest +Copyright (C) 2010-2013 celeron55, Perttu Ahola This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or +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 General Public License for more details. +GNU Lesser General Public License for more details. -You should have received a copy of the GNU General Public License along +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. */ @@ -20,2316 +20,495 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "mapgen.h" #include "voxel.h" #include "noise.h" +#include "gamedef.h" +#include "mg_biome.h" #include "mapblock.h" +#include "mapnode.h" #include "map.h" -#include "mineral.h" -//#include "serverobject.h" #include "content_sao.h" #include "nodedef.h" +#include "emerge.h" #include "content_mapnode.h" // For content_mapnode_get_new_name +#include "voxelalgorithms.h" +#include "profiler.h" +#include "settings.h" // For g_settings +#include "main.h" // For g_profiler +#include "treegen.h" +#include "serialization.h" +#include "util/serialize.h" +#include "filesys.h" +#include "log.h" + +const char *GenElementManager::ELEMENT_TITLE = "element"; + +FlagDesc flagdesc_mapgen[] = { + {"trees", MG_TREES}, + {"caves", MG_CAVES}, + {"dungeons", MG_DUNGEONS}, + {"flat", MG_FLAT}, + {"light", MG_LIGHT}, + {NULL, 0} +}; -namespace mapgen -{ +FlagDesc flagdesc_gennotify[] = { + {"dungeon", 1 << GENNOTIFY_DUNGEON}, + {"temple", 1 << GENNOTIFY_TEMPLE}, + {"cave_begin", 1 << GENNOTIFY_CAVE_BEGIN}, + {"cave_end", 1 << GENNOTIFY_CAVE_END}, + {"large_cave_begin", 1 << GENNOTIFY_LARGECAVE_BEGIN}, + {"large_cave_end", 1 << GENNOTIFY_LARGECAVE_END}, + {"decoration", 1 << GENNOTIFY_DECORATION}, + {NULL, 0} +}; -/* - Some helper functions for the map generator -*/ -#if 0 -static s16 find_ground_level(VoxelManipulator &vmanip, v2s16 p2d) +/////////////////////////////////////////////////////////////////////////////// + +Mapgen::Mapgen() { - v3s16 em = vmanip.m_area.getExtent(); - s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; - s16 y_nodes_min = vmanip.m_area.MinEdge.Y; - u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); - s16 y; - for(y=y_nodes_max; y>=y_nodes_min; y--) - { - MapNode &n = vmanip.m_data[i]; - if(content_walkable(n.d)) - break; + generating = false; + id = -1; + seed = 0; + water_level = 0; + flags = 0; - vmanip.m_area.add_y(em, i, -1); - } - if(y >= y_nodes_min) - return y; - else - return y_nodes_min; + vm = NULL; + ndef = NULL; + heightmap = NULL; + biomemap = NULL; } -static s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d) + +Mapgen::Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge) : + gennotify(emerge->gen_notify_on, &emerge->gen_notify_on_deco_ids) { - v3s16 em = vmanip.m_area.getExtent(); - s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; - s16 y_nodes_min = vmanip.m_area.MinEdge.Y; - u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); - s16 y; - for(y=y_nodes_max; y>=y_nodes_min; y--) - { - MapNode &n = vmanip.m_data[i]; - if(content_walkable(n.d) - && n.getContent() != LEGN(ndef, "CONTENT_TREE") - && n.getContent() != LEGN(ndef, "CONTENT_LEAVES")) - break; + generating = false; + id = mapgenid; + seed = (int)params->seed; + water_level = params->water_level; + flags = params->flags; + csize = v3s16(1, 1, 1) * (params->chunksize * MAP_BLOCKSIZE); - vmanip.m_area.add_y(em, i, -1); - } - if(y >= y_nodes_min) - return y; - else - return y_nodes_min; + vm = NULL; + ndef = NULL; + heightmap = NULL; + biomemap = NULL; } -#endif -void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0, - bool is_apple_tree, INodeDefManager *ndef) -{ - MapNode treenode(LEGN(ndef, "CONTENT_TREE")); - MapNode leavesnode(LEGN(ndef, "CONTENT_LEAVES")); - MapNode applenode(LEGN(ndef, "CONTENT_APPLE")); - - s16 trunk_h = myrand_range(4, 5); - v3s16 p1 = p0; - for(s16 ii=0; ii leaves_d(new u8[leaves_a.getVolume()]); - Buffer leaves_d(leaves_a.getVolume()); - for(s32 i=0; i leaves_d(new u8[leaves_a.getVolume()]); - Buffer leaves_d(leaves_a.getVolume()); - for(s32 i=0; im_area.getExtent(); + s16 y_nodes_max = vm->m_area.MaxEdge.Y; + s16 y_nodes_min = vm->m_area.MinEdge.Y; + u32 i = vm->m_area.index(p2d.X, y_nodes_max, p2d.Y); + s16 y; - // Add leaves randomly - for(u32 iii=0; iii<30; iii++) - { - s16 d = 1; - - v3s16 p( - myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d), - myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d), - myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d) - ); - - for(s16 z=0; z<=d; z++) - for(s16 y=0; y<=d; y++) - for(s16 x=0; x<=d; x++) - { - leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1; - } - } + for (y = y_nodes_max; y >= y_nodes_min; y--) { + MapNode &n = vm->m_data[i]; + if (ndef->get(n).walkable) + break; - // Blit leaves to vmanip - for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++) - for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++) - for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++) - { - v3s16 p(x,y,z); - p += p1; - if(vmanip.m_area.contains(p) == false) - continue; - u32 vi = vmanip.m_area.index(p); - if(vmanip.m_data[vi].getContent() != CONTENT_AIR - && vmanip.m_data[vi].getContent() != CONTENT_IGNORE) - continue; - u32 i = leaves_a.index(x,y,z); - if(leaves_d[i] == 1) - vmanip.m_data[vi] = leavesnode; + vm->m_area.add_y(em, i, -1); } + return (y >= y_nodes_min) ? y : y_nodes_min - 1; } -void make_papyrus(VoxelManipulator &vmanip, v3s16 p0, - INodeDefManager *ndef) -{ - MapNode papyrusnode(LEGN(ndef, "CONTENT_PAPYRUS")); - - s16 trunk_h = myrand_range(2, 3); - v3s16 p1 = p0; - for(s16 ii=0; iim_area.getExtent(); + u32 i = vm->m_area.index(p2d.X, ymax, p2d.Y); + s16 y; + + for (y = ymax; y >= ymin; y--) { + MapNode &n = vm->m_data[i]; + if (ndef->get(n).walkable) + break; + + vm->m_area.add_y(em, i, -1); } + return y; } -#if 0 -static void make_randomstone(VoxelManipulator &vmanip, v3s16 p0) + +void Mapgen::updateHeightmap(v3s16 nmin, v3s16 nmax) { - MapNode stonenode(LEGN(ndef, "CONTENT_STONE")); - - s16 size = myrand_range(3, 6); - - VoxelArea stone_a(v3s16(-2,0,-2), v3s16(2,size,2)); - Buffer stone_d(stone_a.getVolume()); - for(s32 i=0; i 0.0) - { - u32 vi = stone_a.index(v3s16(x,y,z)); - stone_d[vi] = 1; - } - } + //TimeTaker t("Mapgen::updateHeightmap", NULL, PRECISION_MICRO); + int index = 0; + for (s16 z = nmin.Z; z <= nmax.Z; z++) { + for (s16 x = nmin.X; x <= nmax.X; x++, index++) { + s16 y = findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y); - /*// Add stone randomly - for(u32 iii=0; iii<7; iii++) - { - s16 d = 1; - - v3s16 p( - myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), - myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), - myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) - ); - - for(s16 z=0; z<=d; z++) - for(s16 y=0; y<=d; y++) - for(s16 x=0; x<=d; x++) - { - stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; + // if the values found are out of range, trust the old heightmap + if (y == nmax.Y && heightmap[index] > nmax.Y) + continue; + if (y == nmin.Y - 1 && heightmap[index] < nmin.Y) + continue; + + heightmap[index] = y; } - }*/ - - // Blit stone to vmanip - for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) - for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) - for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) - { - v3s16 p(x,y,z); - p += p0; - if(vmanip.m_area.contains(p) == false) - continue; - u32 vi = vmanip.m_area.index(p); - if(vmanip.m_data[vi].getContent() != CONTENT_AIR - && vmanip.m_data[vi].getContent() != CONTENT_IGNORE) - continue; - u32 i = stone_a.index(x,y,z); - if(stone_d[i] == 1) - vmanip.m_data[vi] = stonenode; } + //printf("updateHeightmap: %dus\n", t.stop()); } -#endif -#if 0 -static void make_largestone(VoxelManipulator &vmanip, v3s16 p0) + +void Mapgen::updateLiquid(UniqueQueue *trans_liquid, v3s16 nmin, v3s16 nmax) { - MapNode stonenode(LEGN(ndef, "CONTENT_STONE")); - - s16 size = myrand_range(8, 16); - - VoxelArea stone_a(v3s16(-size/2,0,-size/2), v3s16(size/2,size,size/2)); - Buffer stone_d(stone_a.getVolume()); - for(s32 i=0; im_area.getExtent(); - // Generate from perlin noise - for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) - for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) - for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) - { - double d = 1.0; - d += noise3d_perlin((float)x/10.,(float)z/10.,(float)y/10., - p0.Z*5123+p0.Y*2439+p0.X, 2, 0.5); - double mid_z = (stone_a.MaxEdge.Z+stone_a.MinEdge.Z)/2; - double mid_x = (stone_a.MaxEdge.X+stone_a.MinEdge.X)/2; - double mid_y = (stone_a.MaxEdge.Y+stone_a.MinEdge.Y)/2; - double dz = (double)z-mid_z; - double dx = (double)x-mid_x; - double dy = MYMAX(0, (double)y-mid_y); - double r = sqrt(dz*dz+dx*dx+dy*dy); - d /= (2*r/size)*2 + 0.01; - if(d > 1.0) - { - u32 vi = stone_a.index(v3s16(x,y,z)); - stone_d[vi] = 1; - } - } + for (s16 z = nmin.Z; z <= nmax.Z; z++) { + for (s16 x = nmin.X; x <= nmax.X; x++) { + wasliquid = true; - /*// Add stone randomly - for(u32 iii=0; iii<7; iii++) - { - s16 d = 1; - - v3s16 p( - myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), - myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), - myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) - ); - - for(s16 z=0; z<=d; z++) - for(s16 y=0; y<=d; y++) - for(s16 x=0; x<=d; x++) - { - stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; + u32 i = vm->m_area.index(x, nmax.Y, z); + for (s16 y = nmax.Y; y >= nmin.Y; y--) { + isliquid = ndef->get(vm->m_data[i]).isLiquid(); + + // there was a change between liquid and nonliquid, add to queue. + if (isliquid != wasliquid) + trans_liquid->push_back(v3s16(x, y, z)); + + wasliquid = isliquid; + vm->m_area.add_y(em, i, -1); + } } - }*/ - - // Blit stone to vmanip - for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) - for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) - for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) - { - v3s16 p(x,y,z); - p += p0; - if(vmanip.m_area.contains(p) == false) - continue; - u32 vi = vmanip.m_area.index(p); - /*if(vmanip.m_data[vi].getContent() != CONTENT_AIR - && vmanip.m_data[vi].getContent() != CONTENT_IGNORE) - continue;*/ - u32 i = stone_a.index(x,y,z); - if(stone_d[i] == 1) - vmanip.m_data[vi] = stonenode; } } -#endif - -/* - Dungeon making routines -*/ -#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) -static void make_room1(VoxelManipulator &vmanip, v3s16 roomsize, v3s16 roomplace, - INodeDefManager *ndef) +void Mapgen::setLighting(u8 light, v3s16 nmin, v3s16 nmax) { - // Make +-X walls - for(s16 z=0; zm_area.index(a.MinEdge.X, y, z); + for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++) + vm->m_data[i].param1 = light; } } - - // Fill with air - for(s16 z=1; zm_area.index(p); + MapNode &nn = vm->m_data[vi]; -static v3s16 rand_ortho_dir(PseudoRandom &random) -{ - if(random.next()%2==0) - return random.next()%2 ? v3s16(-1,0,0) : v3s16(1,0,0); - else - return random.next()%2 ? v3s16(0,0,-1) : v3s16(0,0,1); -} + light--; + // should probably compare masked, but doesn't seem to make a difference + if (light <= nn.param1 || !ndef->get(nn).light_propagates) + return; -static v3s16 turn_xz(v3s16 olddir, int t) -{ - v3s16 dir; - if(t == 0) - { - // Turn right - dir.X = olddir.Z; - dir.Z = -olddir.X; - dir.Y = olddir.Y; - } - else - { - // Turn left - dir.X = -olddir.Z; - dir.Z = olddir.X; - dir.Y = olddir.Y; - } - return dir; -} + nn.param1 = light; -static v3s16 random_turn(PseudoRandom &random, v3s16 olddir) -{ - int turn = random.range(0,2); - v3s16 dir; - if(turn == 0) - { - // Go straight - dir = olddir; - } - else if(turn == 1) - // Turn right - dir = turn_xz(olddir, 0); - else - // Turn left - dir = turn_xz(olddir, 1); - return dir; + lightSpread(a, p + v3s16(0, 0, 1), light); + lightSpread(a, p + v3s16(0, 1, 0), light); + lightSpread(a, p + v3s16(1, 0, 0), light); + lightSpread(a, p - v3s16(0, 0, 1), light); + lightSpread(a, p - v3s16(0, 1, 0), light); + lightSpread(a, p - v3s16(1, 0, 0), light); } -static void make_corridor(VoxelManipulator &vmanip, v3s16 doorplace, - v3s16 doordir, v3s16 &result_place, v3s16 &result_dir, - PseudoRandom &random, INodeDefManager *ndef) + +void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax) { - make_hole1(vmanip, doorplace, ndef); - v3s16 p0 = doorplace; - v3s16 dir = doordir; - u32 length; - if(random.next()%2) - length = random.range(1,13); - else - length = random.range(1,6); - length = random.range(1,13); - u32 partlength = random.range(1,13); - u32 partcount = 0; - s16 make_stairs = 0; - if(random.next()%2 == 0 && partlength >= 3) - make_stairs = random.next()%2 ? 1 : -1; - for(u32 i=0; i= partlength) - { - partcount = 0; - - dir = random_turn(random, dir); - - partlength = random.range(1,length); - - make_stairs = 0; - if(random.next()%2 == 0 && partlength >= 3) - make_stairs = random.next()%2 ? 1 : -1; - } - } - result_place = p0; - result_dir = dir; + //printf("updateLighting: %dms\n", t.stop()); } -class RoomWalker + + +void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax) { -public: - - RoomWalker(VoxelManipulator &vmanip_, v3s16 pos, PseudoRandom &random, - INodeDefManager *ndef): - vmanip(vmanip_), - m_pos(pos), - m_random(random), - m_ndef(ndef) - { - randomizeDir(); - } + ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG); + //TimeTaker t("updateLighting"); - void randomizeDir() - { - m_dir = rand_ortho_dir(m_random); - } + propagateSunlight( + nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE, + nmax + v3s16(1, 0, 1) * MAP_BLOCKSIZE); - void setPos(v3s16 pos) - { - m_pos = pos; - } + spreadLight( + nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE, + nmax + v3s16(1, 1, 1) * MAP_BLOCKSIZE); - void setDir(v3s16 dir) - { - m_dir = dir; - } - - bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir) - { - for(u32 i=0; i<100; i++) - { - v3s16 p = m_pos + m_dir; - v3s16 p1 = p + v3s16(0,1,0); - if(vmanip.m_area.contains(p) == false - || vmanip.m_area.contains(p1) == false - || i % 4 == 0) - { - randomizeDir(); - continue; - } - if(vmanip.getNodeNoExNoEmerge(p).getContent() - == LEGN(m_ndef, "CONTENT_COBBLE") - && vmanip.getNodeNoExNoEmerge(p1).getContent() - == LEGN(m_ndef, "CONTENT_COBBLE")) - { - // Found wall, this is a good place! - result_place = p; - result_dir = m_dir; - // Randomize next direction - randomizeDir(); - return true; - } - /* - Determine where to move next - */ - // Jump one up if the actual space is there - if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).getContent() - == LEGN(m_ndef, "CONTENT_COBBLE") - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent() - == LEGN(m_ndef, "CONTENT_AIR") - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,2,0)).getContent() - == LEGN(m_ndef, "CONTENT_AIR")) - p += v3s16(0,1,0); - // Jump one down if the actual space is there - if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent() - == LEGN(m_ndef, "CONTENT_COBBLE") - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).getContent() - == LEGN(m_ndef, "CONTENT_AIR") - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,-1,0)).getContent() - == LEGN(m_ndef, "CONTENT_AIR")) - p += v3s16(0,-1,0); - // Check if walking is now possible - if(vmanip.getNodeNoExNoEmerge(p).getContent() - != LEGN(m_ndef, "CONTENT_AIR") - || vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent() - != LEGN(m_ndef, "CONTENT_AIR")) - { - // Cannot continue walking here - randomizeDir(); + //printf("updateLighting: %dms\n", t.stop()); +} + + +void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax) +{ + //TimeTaker t("propagateSunlight"); + VoxelArea a(nmin, nmax); + bool block_is_underground = (water_level >= nmax.Y); + v3s16 em = vm->m_area.getExtent(); + + for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) { + for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++) { + // see if we can get a light value from the overtop + u32 i = vm->m_area.index(x, a.MaxEdge.Y + 1, z); + if (vm->m_data[i].getContent() == CONTENT_IGNORE) { + if (block_is_underground) + continue; + } else if ((vm->m_data[i].param1 & 0x0F) != LIGHT_SUN) { continue; } - // Move there - m_pos = p; - } - return false; - } + vm->m_area.add_y(em, i, -1); - bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace, - v3s16 &result_doordir, v3s16 &result_roomplace) - { - for(s16 trycount=0; trycount<30; trycount++) - { - v3s16 doorplace; - v3s16 doordir; - bool r = findPlaceForDoor(doorplace, doordir); - if(r == false) - continue; - v3s16 roomplace; - // X east, Z north, Y up -#if 1 - if(doordir == v3s16(1,0,0)) // X+ - roomplace = doorplace + - v3s16(0,-1,m_random.range(-roomsize.Z+2,-2)); - if(doordir == v3s16(-1,0,0)) // X- - roomplace = doorplace + - v3s16(-roomsize.X+1,-1,m_random.range(-roomsize.Z+2,-2)); - if(doordir == v3s16(0,0,1)) // Z+ - roomplace = doorplace + - v3s16(m_random.range(-roomsize.X+2,-2),-1,0); - if(doordir == v3s16(0,0,-1)) // Z- - roomplace = doorplace + - v3s16(m_random.range(-roomsize.X+2,-2),-1,-roomsize.Z+1); -#endif -#if 0 - if(doordir == v3s16(1,0,0)) // X+ - roomplace = doorplace + v3s16(0,-1,-roomsize.Z/2); - if(doordir == v3s16(-1,0,0)) // X- - roomplace = doorplace + v3s16(-roomsize.X+1,-1,-roomsize.Z/2); - if(doordir == v3s16(0,0,1)) // Z+ - roomplace = doorplace + v3s16(-roomsize.X/2,-1,0); - if(doordir == v3s16(0,0,-1)) // Z- - roomplace = doorplace + v3s16(-roomsize.X/2,-1,-roomsize.Z+1); -#endif - - // Check fit - bool fits = true; - for(s16 z=1; z= a.MinEdge.Y; y--) { + MapNode &n = vm->m_data[i]; + if (!ndef->get(n).sunlight_propagates) break; - } - if(vmanip.m_flags[vmanip.m_area.index(p)] - & VMANIP_FLAG_DUNGEON_INSIDE) - { - fits = false; - break; - } + n.param1 = LIGHT_SUN; + vm->m_area.add_y(em, i, -1); } - if(fits == false) - { - // Find new place - continue; - } - result_doorplace = doorplace; - result_doordir = doordir; - result_roomplace = roomplace; - return true; } - return false; } + //printf("propagateSunlight: %dms\n", t.stop()); +} + -private: - VoxelManipulator &vmanip; - v3s16 m_pos; - v3s16 m_dir; - PseudoRandom &m_random; - INodeDefManager *m_ndef; -}; -static void make_dungeon1(VoxelManipulator &vmanip, PseudoRandom &random, - INodeDefManager *ndef) +void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax) { - v3s16 areasize = vmanip.m_area.getExtent(); - v3s16 roomsize; - v3s16 roomplace; - - /* - Find place for first room - */ - bool fits = false; - for(u32 i=0; i<100; i++) - { - roomsize = v3s16(random.range(4,8),random.range(4,6),random.range(4,8)); - roomplace = vmanip.m_area.MinEdge + v3s16( - random.range(0,areasize.X-roomsize.X-1), - random.range(0,areasize.Y-roomsize.Y-1), - random.range(0,areasize.Z-roomsize.Z-1)); - /* - Check that we're not putting the room to an unknown place, - otherwise it might end up floating in the air - */ - fits = true; - for(s16 z=1; zm_area.getExtent(); + + for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) { + for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) { + u32 i = vm->m_area.index(a.MinEdge.X, y, z); + for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++) { + MapNode &n = vm->m_data[i]; + if (n.getContent() == CONTENT_IGNORE || + !ndef->get(n).light_propagates) + continue; + + u8 light_produced = ndef->get(n).light_source & 0x0F; + if (light_produced) + n.param1 = light_produced; + + u8 light = n.param1 & 0x0F; + if (light) { + lightSpread(a, v3s16(x, y, z + 1), light); + lightSpread(a, v3s16(x, y + 1, z ), light); + lightSpread(a, v3s16(x + 1, y, z ), light); + lightSpread(a, v3s16(x, y, z - 1), light); + lightSpread(a, v3s16(x, y - 1, z ), light); + lightSpread(a, v3s16(x - 1, y, z ), light); + } } } - if(fits) - break; } - // No place found - if(fits == false) - return; - - /* - Stores the center position of the last room made, so that - a new corridor can be started from the last room instead of - the new room, if chosen so. - */ - v3s16 last_room_center = roomplace+v3s16(roomsize.X/2,1,roomsize.Z/2); - - u32 room_count = random.range(2,7); - for(u32 i=0; i nmax.Y); + bool sunlight = !block_is_underground; -/* - Noise functions. Make sure seed is mangled differently in each one. -*/ + ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG); -/* - Scaling the output of the noise function affects the overdrive of the - contour function, which affects the shape of the output considerably. -*/ -#define CAVE_NOISE_SCALE 12.0 -//#define CAVE_NOISE_SCALE 10.0 -//#define CAVE_NOISE_SCALE 7.5 -//#define CAVE_NOISE_SCALE 5.0 -//#define CAVE_NOISE_SCALE 1.0 + for (int i = 0; i < 2; i++) { + enum LightBank bank = banks[i]; + std::set light_sources; + std::map unlight_from; -//#define CAVE_NOISE_THRESHOLD (2.5/CAVE_NOISE_SCALE) -#define CAVE_NOISE_THRESHOLD (1.5/CAVE_NOISE_SCALE) + voxalgo::clearLightAndCollectSources(*vm, a, bank, ndef, + light_sources, unlight_from); + voxalgo::propagateSunlight(*vm, a, sunlight, light_sources, ndef); -NoiseParams get_cave_noise1_params(u64 seed) -{ - /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.7, - 200, CAVE_NOISE_SCALE);*/ - /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 4, 0.7, - 100, CAVE_NOISE_SCALE);*/ - /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.6, - 100, CAVE_NOISE_SCALE);*/ - /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.3, - 100, CAVE_NOISE_SCALE);*/ - return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 4, 0.5, - 50, CAVE_NOISE_SCALE); - //return NoiseParams(NOISE_CONSTANT_ONE); + vm->unspreadLight(bank, unlight_from, light_sources, ndef); + vm->spreadLight(bank, light_sources, ndef); + } } -NoiseParams get_cave_noise2_params(u64 seed) -{ - /*return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 5, 0.7, - 200, CAVE_NOISE_SCALE);*/ - /*return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 4, 0.7, - 100, CAVE_NOISE_SCALE);*/ - /*return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 5, 0.3, - 100, CAVE_NOISE_SCALE);*/ - return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 4, 0.5, - 50, CAVE_NOISE_SCALE); - //return NoiseParams(NOISE_CONSTANT_ONE); -} -NoiseParams get_ground_noise1_params(u64 seed) -{ - return NoiseParams(NOISE_PERLIN, seed+983240, 4, - 0.55, 80.0, 40.0); -} +/////////////////////////////////////////////////////////////////////////////// -NoiseParams get_ground_crumbleness_params(u64 seed) +GenerateNotifier::GenerateNotifier() { - return NoiseParams(NOISE_PERLIN, seed+34413, 3, - 1.3, 20.0, 1.0); + m_notify_on = 0; } -NoiseParams get_ground_wetness_params(u64 seed) -{ - return NoiseParams(NOISE_PERLIN, seed+32474, 4, - 1.1, 40.0, 1.0); -} -bool is_cave(u64 seed, v3s16 p) +GenerateNotifier::GenerateNotifier(u32 notify_on, + std::set *notify_on_deco_ids) { - double d1 = noise3d_param(get_cave_noise1_params(seed), p.X,p.Y,p.Z); - double d2 = noise3d_param(get_cave_noise2_params(seed), p.X,p.Y,p.Z); - return d1*d2 > CAVE_NOISE_THRESHOLD; + m_notify_on = notify_on; + m_notify_on_deco_ids = notify_on_deco_ids; } -/* - Ground density noise shall be interpreted by using this. - TODO: No perlin noises here, they should be outsourced - and buffered - NOTE: The speed of these actually isn't terrible -*/ -bool val_is_ground(double ground_noise1_val, v3s16 p, u64 seed) +void GenerateNotifier::setNotifyOn(u32 notify_on) { - //return ((double)p.Y < ground_noise1_val); - - double f = 0.55 + noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Z/250, - seed+920381, 3, 0.45); - if(f < 0.01) - f = 0.01; - else if(f >= 1.0) - f *= 1.6; - double h = WATER_LEVEL + 10 * noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Z/250, - seed+84174, 4, 0.5); - /*double f = 1; - double h = 0;*/ - return ((double)p.Y - h < ground_noise1_val * f); + m_notify_on = notify_on; } -/* - Queries whether a position is ground or not. -*/ -bool is_ground(u64 seed, v3s16 p) -{ - double val1 = noise3d_param(get_ground_noise1_params(seed), p.X,p.Y,p.Z); - return val_is_ground(val1, p, seed); -} -// Amount of trees per area in nodes -double tree_amount_2d(u64 seed, v2s16 p) +void GenerateNotifier::setNotifyOnDecoIds(std::set *notify_on_deco_ids) { - /*double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+2, 5, 0.66);*/ - double noise = noise2d_perlin( - 0.5+(float)p.X/125, 0.5+(float)p.Y/125, - seed+2, 4, 0.66); - double zeroval = -0.39; - if(noise < zeroval) - return 0; - else - return 0.04 * (noise-zeroval) / (1.0-zeroval); + m_notify_on_deco_ids = notify_on_deco_ids; } -double surface_humidity_2d(u64 seed, v2s16 p) -{ - double noise = noise2d_perlin( - 0.5+(float)p.X/500, 0.5+(float)p.Y/500, - seed+72384, 4, 0.66); - noise = (noise + 1.0)/2.0; - if(noise < 0.0) - noise = 0.0; - if(noise > 1.0) - noise = 1.0; - return noise; -} -#if 0 -double randomstone_amount_2d(u64 seed, v2s16 p) +bool GenerateNotifier::addEvent(GenNotifyType type, v3s16 pos, u32 id) { - double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+3829434, 5, 0.66); - double zeroval = 0.1; - if(noise < zeroval) - return 0; - else - return 0.01 * (noise-zeroval) / (1.0-zeroval); -} -#endif + if (!(m_notify_on & (1 << type))) + return false; -double largestone_amount_2d(u64 seed, v2s16 p) -{ - double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+14143242, 5, 0.66); - double zeroval = 0.3; - if(noise < zeroval) - return 0; - else - return 0.005 * (noise-zeroval) / (1.0-zeroval); -} + if (type == GENNOTIFY_DECORATION && + m_notify_on_deco_ids->find(id) == m_notify_on_deco_ids->end()) + return false; -/* - Incrementally find ground level from 3d noise -*/ -s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) -{ - // Start a bit fuzzy to make averaging lower precision values - // more useful - s16 level = myrand_range(-precision/2, precision/2); - s16 dec[] = {31000, 100, 20, 4, 1, 0}; - s16 i; - for(i = 1; dec[i] != 0 && precision <= dec[i]; i++) - { - // First find non-ground by going upwards - // Don't stop in caves. - { - s16 max = level+dec[i-1]*2; - v3s16 p(p2d.X, level, p2d.Y); - for(; p.Y < max; p.Y += dec[i]) - { - if(!is_ground(seed, p)) - { - level = p.Y; - break; - } - } - } - // Then find ground by going downwards from there. - // Go in caves, too, when precision is 1. - { - s16 min = level-dec[i-1]*2; - v3s16 p(p2d.X, level, p2d.Y); - for(; p.Y>min; p.Y-=dec[i]) - { - bool ground = is_ground(seed, p); - /*if(dec[i] == 1 && is_cave(seed, p)) - ground = false;*/ - if(ground) - { - level = p.Y; - break; - } - } - } - } - - // This is more like the actual ground level - level += dec[i-1]/2; + GenNotifyEvent gne; + gne.type = type; + gne.pos = pos; + gne.id = id; + m_notify_events.push_back(gne); - return level; + return true; } -double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p=4); -double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p) +void GenerateNotifier::getEvents( + std::map > &event_map, + bool peek_events) { - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = 0; - a += find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_max.X, node_min.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p); - a /= 5; - return a; -} + std::list::iterator it; -double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p=4); - -double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p) -{ - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = -31000; - // Corners - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - // Center - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); - // Side middle points - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_max.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y+MAP_BLOCKSIZE/2), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_min.Y+MAP_BLOCKSIZE/2), p)); - return a; -} + 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; -double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p=4); + event_map[name].push_back(gn.pos); + } -double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p) -{ - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = 31000; - // Corners - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - // Center - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); - // Side middle points - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_max.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y+MAP_BLOCKSIZE/2), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_min.Y+MAP_BLOCKSIZE/2), p)); - return a; + if (!peek_events) + m_notify_events.clear(); } -bool block_is_underground(u64 seed, v3s16 blockpos) -{ - s16 minimum_groundlevel = (s16)get_sector_minimum_ground_level( - seed, v2s16(blockpos.X, blockpos.Z)); - - if(blockpos.Y*MAP_BLOCKSIZE + MAP_BLOCKSIZE <= minimum_groundlevel) - return true; - else - return false; -} -#if 0 -#define AVERAGE_MUD_AMOUNT 4 +/////////////////////////////////////////////////////////////////////////////// -double base_rock_level_2d(u64 seed, v2s16 p) -{ - // The base ground level - double base = (double)WATER_LEVEL - (double)AVERAGE_MUD_AMOUNT - + 20. * noise2d_perlin( - 0.5+(float)p.X/500., 0.5+(float)p.Y/500., - (seed>>32)+654879876, 6, 0.6); - - /*// A bit hillier one - double base2 = WATER_LEVEL - 4.0 + 40. * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - (seed>>27)+90340, 6, 0.69); - if(base2 > base) - base = base2;*/ -#if 1 - // Higher ground level - double higher = (double)WATER_LEVEL + 25. + 35. * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - seed+85039, 5, 0.69); - //higher = 30; // For debugging - - // Limit higher to at least base - if(higher < base) - higher = base; - - // Steepness factor of cliffs - double b = 1.0 + 1.0 * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - seed-932, 7, 0.7); - b = rangelim(b, 0.0, 1000.0); - b = pow(b, 5); - b *= 7; - b = rangelim(b, 3.0, 1000.0); - //dstream<<"b="<vmanip); - assert(data->nodedef); - - INodeDefManager *ndef = data->nodedef; - - v3s16 blockpos = data->blockpos; - - /*dstream<<"makeBlock(): ("<vmanip); - v3s16 blockpos_min = blockpos - v3s16(1,1,1); - v3s16 blockpos_max = blockpos + v3s16(1,1,1); - // Area of center block - v3s16 node_min = blockpos*MAP_BLOCKSIZE; - v3s16 node_max = (blockpos+v3s16(1,1,1))*MAP_BLOCKSIZE-v3s16(1,1,1); - // Full allocated area - v3s16 full_node_min = (blockpos-1)*MAP_BLOCKSIZE; - v3s16 full_node_max = (blockpos+2)*MAP_BLOCKSIZE-v3s16(1,1,1); - // Area of a block - double block_area_nodes = MAP_BLOCKSIZE*MAP_BLOCKSIZE; - - v2s16 p2d_center(node_min.X+MAP_BLOCKSIZE/2, node_min.Z+MAP_BLOCKSIZE/2); - - /* - Get average ground level from noise - */ - - s16 approx_groundlevel = (s16)get_sector_average_ground_level( - data->seed, v2s16(blockpos.X, blockpos.Z)); - //dstream<<"approx_groundlevel="<seed, v2s16(blockpos.X, blockpos.Z)); - // Minimum amount of ground above the top of the central block - s16 minimum_ground_depth = minimum_groundlevel - node_max.Y; - - s16 maximum_groundlevel = (s16)get_sector_maximum_ground_level( - data->seed, v2s16(blockpos.X, blockpos.Z), 1); - // Maximum amount of ground above the bottom of the central block - s16 maximum_ground_depth = maximum_groundlevel - node_min.Y; - - #if 0 - /* - Special case for high air or water: Just fill with air and water. - */ - if(maximum_ground_depth < -20) - { - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); - for(s16 y=node_min.Y; y<=node_max.Y; y++) - { - // Only modify places that have no content - if(vmanip.m_data[i].getContent() == CONTENT_IGNORE) - { - if(y <= WATER_LEVEL) - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_WATERSOURCE")); - else - vmanip.m_data[i] = MapNode(CONTENT_AIR); - } - - data->vmanip->m_area.add_y(em, i, 1); - } - } - } - - // We're done - return; - } - #endif - - /* - If block is deep underground, this is set to true and ground - density noise is not generated, for speed optimization. - */ - bool all_is_ground_except_caves = (minimum_ground_depth > 40); - - /* - Create a block-specific seed - */ - u32 blockseed = (u32)(data->seed%0x100000000ULL) + full_node_min.Z*38134234 - + full_node_min.Y*42123 + full_node_min.X*23; - - /* - Make some 3D noise - */ - - //NoiseBuffer noisebuf1; - //NoiseBuffer noisebuf2; - NoiseBuffer noisebuf_cave; - NoiseBuffer noisebuf_ground; - NoiseBuffer noisebuf_ground_crumbleness; - NoiseBuffer noisebuf_ground_wetness; - { - v3f minpos_f(node_min.X, node_min.Y, node_min.Z); - v3f maxpos_f(node_max.X, node_max.Y, node_max.Z); - - //TimeTaker timer("noisebuf.create"); - - /* - Cave noise - */ -#if 1 - noisebuf_cave.create(get_cave_noise1_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y, maxpos_f.Z, - 2, 2, 2); - noisebuf_cave.multiply(get_cave_noise2_params(data->seed)); -#endif - - /* - Ground noise - */ - - // Sample length - v3f sl = v3f(4.0, 4.0, 4.0); - - /* - Density noise - */ - if(all_is_ground_except_caves == false) - //noisebuf_ground.create(data->seed+983240, 6, 0.60, false, - noisebuf_ground.create(get_ground_noise1_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - - /* - Ground property noise - */ - sl = v3f(2.5, 2.5, 2.5); - noisebuf_ground_crumbleness.create( - get_ground_crumbleness_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - noisebuf_ground_wetness.create( - get_ground_wetness_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - } - /* - Cache some ground type values for speed - */ - -// Creates variables c_name=id and n_name=node -#define CONTENT_VARIABLE(ndef, name)\ - content_t c_##name = ndef->getId(#name);\ - MapNode n_##name(c_##name); - - CONTENT_VARIABLE(ndef, stone); - CONTENT_VARIABLE(ndef, water_source); - CONTENT_VARIABLE(ndef, air); - CONTENT_VARIABLE(ndef, dirt); - CONTENT_VARIABLE(ndef, sand); - CONTENT_VARIABLE(ndef, gravel); - CONTENT_VARIABLE(ndef, lava_source); - CONTENT_VARIABLE(ndef, cobble); - CONTENT_VARIABLE(ndef, mossycobble); - CONTENT_VARIABLE(ndef, dirt_with_grass); - - /* - Make base ground level - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); - for(s16 y=node_min.Y; y<=node_max.Y; y++) - { - // Only modify places that have no content - if(vmanip.m_data[i].getContent() == CONTENT_IGNORE) - { - // First priority: make air and water. - // This avoids caves inside water. - if(all_is_ground_except_caves == false - && val_is_ground(noisebuf_ground.get(x,y,z), - v3s16(x,y,z), data->seed) == false) - { - if(y <= WATER_LEVEL) - vmanip.m_data[i] = n_water_source; - else - vmanip.m_data[i] = n_air; - } - else if(noisebuf_cave.get(x,y,z) > CAVE_NOISE_THRESHOLD) - vmanip.m_data[i] = n_air; - else - vmanip.m_data[i] = n_stone; - } - - data->vmanip->m_area.add_y(em, i, 1); - } - } - } +u32 GenElementManager::add(GenElement *elem) +{ + size_t nelem = m_elements.size(); - /* - Add minerals - */ - - { - PseudoRandom mineralrandom(blockseed); - - /* - Add meseblocks - */ - for(s16 i=0; i 0.0) - new_content = MapNode(LEGN(ndef, "CONTENT_STONE"), MINERAL_IRON); - /*if(noisebuf_ground_wetness.get(x,y,z) > 0.0) - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_MUD")); - else - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_SAND"));*/ - } - /*else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.1) - { - }*/ - - if(new_content.getContent() != CONTENT_IGNORE) - { - for(u16 i=0; i<27; i++) - { - v3s16 p = v3s16(x,y,z) + g_27dirs[i]; - u32 vi = vmanip.m_area.index(p); - if(vmanip.m_data[vi].getContent() == base_content) - { - if(mineralrandom.next()%sparseness == 0) - vmanip.m_data[vi] = new_content; - } - } - } - } - } - /* - Add coal - */ - //for(s16 i=0; i < MYMAX(0, 50 - abs(node_min.Y+8 - (-30))); i++) - //for(s16 i=0; i<50; i++) - u16 coal_amount = 30; - u16 coal_rareness = 60 / coal_amount; - if(coal_rareness == 0) - coal_rareness = 1; - if(mineralrandom.next()%coal_rareness == 0) - { - u16 a = mineralrandom.next() % 16; - u16 amount = coal_amount * a*a*a / 1000; - for(s16 i=0; iid = i; + m_elements[i] = elem; + return i; } } - /* - Add mud and sand and others underground (in place of stone) - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y)); - for(s16 y=node_max.Y; y>=node_min.Y; y--) - { - if(vmanip.m_data[i].getContent() == c_stone) - { - if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3) - { - if(noisebuf_ground_wetness.get(x,y,z) > 0.0) - vmanip.m_data[i] = n_dirt; - else - vmanip.m_data[i] = n_sand; - } - else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.7) - { - if(noisebuf_ground_wetness.get(x,y,z) < -0.6) - vmanip.m_data[i] = n_gravel; - } - else if(noisebuf_ground_crumbleness.get(x,y,z) < - -3.0 + MYMIN(0.1 * sqrt((float)MYMAX(0, -y)), 1.5)) - { - vmanip.m_data[i] = n_lava_source; - for(s16 x1=-1; x1<=1; x1++) - for(s16 y1=-1; y1<=1; y1++) - for(s16 z1=-1; z1<=1; z1++) - data->transforming_liquid.push_back( - v3s16(p2d.X+x1, y+y1, p2d.Y+z1)); - } - } + if (nelem >= this->ELEMENT_LIMIT) + return -1; - data->vmanip->m_area.add_y(em, i, -1); - } - } - } + elem->id = nelem; + m_elements.push_back(elem); - /* - Add dungeons - */ - - //if(node_min.Y < approx_groundlevel) - //if(myrand() % 3 == 0) - //if(myrand() % 3 == 0 && node_min.Y < approx_groundlevel) - //if(myrand() % 100 == 0 && node_min.Y < approx_groundlevel) - //float dungeon_rarity = g_settings.getFloat("dungeon_rarity"); - float dungeon_rarity = 0.02; - if(((noise3d(blockpos.X,blockpos.Y,blockpos.Z,data->seed)+1.0)/2.0) - < dungeon_rarity - && node_min.Y < approx_groundlevel) - { - // Dungeon generator doesn't modify places which have this set - data->vmanip->clearFlag(VMANIP_FLAG_DUNGEON_INSIDE - | VMANIP_FLAG_DUNGEON_PRESERVE); - - // Set all air and water to be untouchable to make dungeons open - // to caves and open air - for(s16 x=full_node_min.X; x<=full_node_max.X; x++) - for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); - for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) - { - if(vmanip.m_data[i].getContent() == CONTENT_AIR) - vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; - else if(vmanip.m_data[i].getContent() == c_water_source) - vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; - data->vmanip->m_area.add_y(em, i, -1); - } - } - } - - PseudoRandom random(blockseed+2); - - // Add it - make_dungeon1(vmanip, random, ndef); - - // Convert some cobble to mossy cobble - for(s16 x=full_node_min.X; x<=full_node_max.X; x++) - for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); - for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) - { - // (noisebuf not used because it doesn't contain the - // full area) - double wetness = noise3d_param( - get_ground_wetness_params(data->seed), x,y,z); - double d = noise3d_perlin((float)x/2.5, - (float)y/2.5,(float)z/2.5, - blockseed, 2, 1.4); - if(vmanip.m_data[i].getContent() == c_cobble) - { - if(d < wetness/3.0) - { - vmanip.m_data[i].setContent(c_mossycobble); - } - } - /*else if(vmanip.m_flags[i] & VMANIP_FLAG_DUNGEON_INSIDE) - { - if(wetness > 1.2) - vmanip.m_data[i].setContent(LEGN(ndef, "CONTENT_MUD")); - }*/ - data->vmanip->m_area.add_y(em, i, -1); - } - } - } - } + verbosestream << "GenElementManager: added " << this->ELEMENT_TITLE + << " element '" << elem->name << "'" << std::endl; - /* - Add NC - */ - { - PseudoRandom ncrandom(blockseed+9324342); - if(ncrandom.range(0, 1000) == 0 && blockpos.Y <= -3) - { - make_nc(vmanip, ncrandom, ndef); - } - } - - /* - Add top and bottom side of water to transforming_liquid queue - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - bool water_found = false; - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y)); - for(s16 y=node_max.Y; y>=node_min.Y; y--) - { - if(water_found == false) - { - if(vmanip.m_data[i].getContent() == c_water_source) - { - v3s16 p = v3s16(p2d.X, y, p2d.Y); - data->transforming_liquid.push_back(p); - water_found = true; - } - } - else - { - // This can be done because water_found can only - // turn to true and end up here after going through - // a single block. - if(vmanip.m_data[i+1].getContent() != c_water_source) - { - v3s16 p = v3s16(p2d.X, y+1, p2d.Y); - data->transforming_liquid.push_back(p); - water_found = false; - } - } + return nelem; +} - data->vmanip->m_area.add_y(em, i, -1); - } - } - } - /* - If close to ground level - */ - - //if(abs(approx_ground_depth) < 30) - if(minimum_ground_depth < 5 && maximum_ground_depth > -5) - { - /* - Add grass and mud - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - bool possibly_have_sand = get_have_sand(data->seed, p2d); - bool have_sand = false; - u32 current_depth = 0; - bool air_detected = false; - bool water_detected = false; - bool have_clay = false; - - // Use fast index incrementing - s16 start_y = node_max.Y+2; - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, start_y, p2d.Y)); - for(s16 y=start_y; y>=node_min.Y-3; y--) - { - if(vmanip.m_data[i].getContent() == c_water_source) - water_detected = true; - if(vmanip.m_data[i].getContent() == CONTENT_AIR) - air_detected = true; - - if((vmanip.m_data[i].getContent() == c_stone - || vmanip.m_data[i].getContent() == c_dirt_with_grass - || vmanip.m_data[i].getContent() == c_dirt - || vmanip.m_data[i].getContent() == c_sand - || vmanip.m_data[i].getContent() == c_gravel - ) && (air_detected || water_detected)) - { - if(current_depth == 0 && y <= WATER_LEVEL+2 - && possibly_have_sand) - have_sand = true; - - if(current_depth < 4) - { - if(have_sand) - { - // Determine whether to have clay in the sand here - double claynoise = noise2d_perlin( - 0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500, - data->seed+4321, 6, 0.95) + 0.5; - - have_clay = (y <= WATER_LEVEL) && (y >= WATER_LEVEL-2) && ( - ((claynoise > 0) && (claynoise < 0.04) && (current_depth == 0)) || - ((claynoise > 0) && (claynoise < 0.12) && (current_depth == 1)) - ); - if (have_clay) - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_CLAY")); - else - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_SAND")); - } - #if 1 - else if(current_depth==0 && !water_detected - && y >= WATER_LEVEL && air_detected) - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_GRASS")); - #endif - else - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_MUD")); - } - else - { - if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_MUD") - || vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_GRASS")) - vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_STONE")); - } - - current_depth++; - - if(current_depth >= 8) - break; - } - else if(current_depth != 0) - break; - - data->vmanip->m_area.add_y(em, i, -1); - } - } - } +GenElement *GenElementManager::get(u32 id) +{ + return (id < m_elements.size()) ? m_elements[id] : NULL; +} - /* - Calculate some stuff - */ - - float surface_humidity = surface_humidity_2d(data->seed, p2d_center); - bool is_jungle = surface_humidity > 0.75; - // Amount of trees - u32 tree_count = block_area_nodes * tree_amount_2d(data->seed, p2d_center); - if(is_jungle) - tree_count *= 5; - - /* - Add trees - */ - PseudoRandom treerandom(blockseed); - // Put trees in random places on part of division - for(u32 i=0; ivmanip, v2s16(x,z)); - s16 y = find_ground_level_from_noise(data->seed, v2s16(x,z), 4); - // Don't make a tree under water level - if(y < WATER_LEVEL) - continue; - // Make sure tree fits (only trees whose starting point is - // at this block are added) - if(y < node_min.Y || y > node_max.Y) - continue; - /* - Find exact ground level - */ - v3s16 p(x,y+6,z); - bool found = false; - for(; p.Y >= y-6; p.Y--) - { - u32 i = data->vmanip->m_area.index(p); - MapNode *n = &data->vmanip->m_data[i]; - if(n->getContent() != CONTENT_AIR && n->getContent() != c_water_source && n->getContent() != CONTENT_IGNORE) - { - found = true; - break; - } - } - // If not found, handle next one - if(found == false) - continue; - { - u32 i = data->vmanip->m_area.index(p); - MapNode *n = &data->vmanip->m_data[i]; +GenElement *GenElementManager::getByName(const std::string &name) +{ + for (size_t i = 0; i != m_elements.size(); i++) { + GenElement *elem = m_elements[i]; + if (elem && name == elem->name) + return elem; + } - if(n->getContent() != c_dirt && n->getContent() != c_dirt_with_grass && n->getContent() != c_sand) - continue; + return NULL; +} - // Papyrus grows only on mud and in water - if(n->getContent() == c_dirt && y <= WATER_LEVEL) - { - p.Y++; - make_papyrus(vmanip, p, ndef); - } - // Trees grow only on mud and grass, on land - else if((n->getContent() == c_dirt || n->getContent() == LEGN(ndef, "CONTENT_GRASS")) && y > WATER_LEVEL + 2) - { - p.Y++; - //if(surface_humidity_2d(data->seed, v2s16(x, y)) < 0.5) - if(is_jungle == false) - { - bool is_apple_tree; - if(myrand_range(0,4) != 0) - is_apple_tree = false; - else - is_apple_tree = noise2d_perlin( - 0.5+(float)p.X/100, 0.5+(float)p.Z/100, - data->seed+342902, 3, 0.45) > 0.2; - make_tree(vmanip, p, is_apple_tree, ndef); - } - else - make_jungletree(vmanip, p, ndef); - } - // Cactii grow only on sand, on land - else if(n->getContent() == c_sand && y > WATER_LEVEL + 2) - { - p.Y++; - make_cactus(vmanip, p, ndef); - } - } - } - /* - Add jungle grass - */ - if(is_jungle) - { - PseudoRandom grassrandom(blockseed); - for(u32 i=0; iseed, v2s16(x,z), 4); - if(y < WATER_LEVEL) - continue; - if(y < node_min.Y || y > node_max.Y) - continue; - /* - Find exact ground level - */ - v3s16 p(x,y+6,z); - bool found = false; - for(; p.Y >= y-6; p.Y--) - { - u32 i = data->vmanip->m_area.index(p); - MapNode *n = &data->vmanip->m_data[i]; - if(data->nodedef->get(*n).is_ground_content - || n->getContent() == LEGN(ndef, "CONTENT_JUNGLETREE")) - { - found = true; - break; - } - } - // If not found, handle next one - if(found == false) - continue; - p.Y++; - if(vmanip.m_area.contains(p) == false) - continue; - if(vmanip.m_data[vmanip.m_area.index(p)].getContent() != CONTENT_AIR) - continue; - /*p.Y--; - if(vmanip.m_area.contains(p)) - vmanip.m_data[vmanip.m_area.index(p)] = LEGN(ndef, "CONTENT_MUD"); - p.Y++;*/ - if(vmanip.m_area.contains(p)) - vmanip.m_data[vmanip.m_area.index(p)] = LEGN(ndef, "CONTENT_JUNGLEGRASS"); - } - } - -#if 0 - /* - Add some kind of random stones - */ - - u32 random_stone_count = block_area_nodes * - randomstone_amount_2d(data->seed, p2d_center); - // Put in random places on part of division - for(u32 i=0; iseed, v2s16(x,z), 1); - // Don't add under water level - /*if(y < WATER_LEVEL) - continue;*/ - // Don't add if doesn't belong to this block - if(y < node_min.Y || y > node_max.Y) - continue; - v3s16 p(x,y,z); - // Filter placement - /*{ - u32 i = data->vmanip->m_area.index(v3s16(p)); - MapNode *n = &data->vmanip->m_data[i]; - if(n->getContent() != LEGN(ndef, "CONTENT_MUD") && n->getContent() != LEGN(ndef, "CONTENT_GRASS")) - continue; - }*/ - // Will be placed one higher - p.Y++; - // Add it - make_randomstone(data->vmanip, p); - } -#endif - -#if 0 - /* - Add larger stones - */ - - u32 large_stone_count = block_area_nodes * - largestone_amount_2d(data->seed, p2d_center); - //u32 large_stone_count = 1; - // Put in random places on part of division - for(u32 i=0; iseed, v2s16(x,z), 1); - // Don't add under water level - /*if(y < WATER_LEVEL) - continue;*/ - // Don't add if doesn't belong to this block - if(y < node_min.Y || y > node_max.Y) - continue; - v3s16 p(x,y,z); - // Filter placement - /*{ - u32 i = data->vmanip->m_area.index(v3s16(p)); - MapNode *n = &data->vmanip->m_data[i]; - if(n->getContent() != LEGN(ndef, "CONTENT_MUD") && n->getContent() != LEGN(ndef, "CONTENT_GRASS")) - continue; - }*/ - // Will be placed one lower - p.Y--; - // Add it - make_largestone(data->vmanip, p); - } -#endif - } +GenElement *GenElementManager::update(u32 id, GenElement *elem) +{ + if (id >= m_elements.size()) + return NULL; + GenElement *old_elem = m_elements[id]; + m_elements[id] = elem; + return old_elem; } -BlockMakeData::BlockMakeData(): - no_op(false), - vmanip(NULL), - seed(0), - nodedef(NULL) -{} -BlockMakeData::~BlockMakeData() +GenElement *GenElementManager::remove(u32 id) { - delete vmanip; + return update(id, NULL); } -}; // namespace mapgen - +void GenElementManager::clear() +{ + m_elements.clear(); +}