diff options
author | Vitaliy <silverunicorn2011@yandex.ru> | 2017-11-09 01:56:20 +0300 |
---|---|---|
committer | Loïc Blot <nerzhul@users.noreply.github.com> | 2017-11-08 23:56:20 +0100 |
commit | 20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch) | |
tree | 67378802190117d8271b3b6d489a92bcb16203b7 /src/mg_decoration.cpp | |
parent | fc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff) | |
download | dragonfireclient-20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f.tar.xz |
Move files to subdirectories (#6599)
* Move files around
Diffstat (limited to 'src/mg_decoration.cpp')
-rw-r--r-- | src/mg_decoration.cpp | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/src/mg_decoration.cpp b/src/mg_decoration.cpp deleted file mode 100644 index 2c2fbc647..000000000 --- a/src/mg_decoration.cpp +++ /dev/null @@ -1,377 +0,0 @@ -/* -Minetest -Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net> -Copyright (C) 2015-2017 paramat - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU Lesser General Public License as published by -the Free Software Foundation; either version 2.1 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "mg_decoration.h" -#include "mg_schematic.h" -#include "mapgen.h" -#include "noise.h" -#include "map.h" -#include "log.h" -#include "util/numeric.h" -#include <algorithm> - - -FlagDesc flagdesc_deco[] = { - {"place_center_x", DECO_PLACE_CENTER_X}, - {"place_center_y", DECO_PLACE_CENTER_Y}, - {"place_center_z", DECO_PLACE_CENTER_Z}, - {"force_placement", DECO_FORCE_PLACEMENT}, - {"liquid_surface", DECO_LIQUID_SURFACE}, - {"all_floors", DECO_ALL_FLOORS}, - {"all_ceilings", DECO_ALL_CEILINGS}, - {NULL, 0} -}; - - -/////////////////////////////////////////////////////////////////////////////// - - -DecorationManager::DecorationManager(IGameDef *gamedef) : - ObjDefManager(gamedef, OBJDEF_DECORATION) -{ -} - - -size_t DecorationManager::placeAllDecos(Mapgen *mg, u32 blockseed, - v3s16 nmin, v3s16 nmax) -{ - size_t nplaced = 0; - - for (size_t i = 0; i != m_objects.size(); i++) { - Decoration *deco = (Decoration *)m_objects[i]; - if (!deco) - continue; - - nplaced += deco->placeDeco(mg, blockseed, nmin, nmax); - blockseed++; - } - - return nplaced; -} - - -/////////////////////////////////////////////////////////////////////////////// - - -void Decoration::resolveNodeNames() -{ - getIdsFromNrBacklog(&c_place_on); - getIdsFromNrBacklog(&c_spawnby); -} - - -bool Decoration::canPlaceDecoration(MMVManip *vm, v3s16 p) -{ - // Check if the decoration can be placed on this node - u32 vi = vm->m_area.index(p); - if (!CONTAINS(c_place_on, vm->m_data[vi].getContent())) - return false; - - // Don't continue if there are no spawnby constraints - if (nspawnby == -1) - return true; - - int nneighs = 0; - static const v3s16 dirs[16] = { - v3s16( 0, 0, 1), - v3s16( 0, 0, -1), - v3s16( 1, 0, 0), - v3s16(-1, 0, 0), - v3s16( 1, 0, 1), - v3s16(-1, 0, 1), - v3s16(-1, 0, -1), - v3s16( 1, 0, -1), - - v3s16( 0, 1, 1), - v3s16( 0, 1, -1), - v3s16( 1, 1, 0), - v3s16(-1, 1, 0), - v3s16( 1, 1, 1), - v3s16(-1, 1, 1), - v3s16(-1, 1, -1), - v3s16( 1, 1, -1) - }; - - // Check these 16 neighbouring nodes for enough spawnby nodes - for (size_t i = 0; i != ARRLEN(dirs); i++) { - u32 index = vm->m_area.index(p + dirs[i]); - if (!vm->m_area.contains(index)) - continue; - - if (CONTAINS(c_spawnby, vm->m_data[index].getContent())) - nneighs++; - } - - if (nneighs < nspawnby) - return false; - - return true; -} - - -size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) -{ - PcgRandom ps(blockseed + 53); - int carea_size = nmax.X - nmin.X + 1; - - // Divide area into parts - // If chunksize is changed it may no longer be divisable by sidelen - if (carea_size % sidelen) - sidelen = carea_size; - - s16 divlen = carea_size / sidelen; - int area = sidelen * sidelen; - - for (s16 z0 = 0; z0 < divlen; z0++) - for (s16 x0 = 0; x0 < divlen; x0++) { - v2s16 p2d_center( // Center position of part of division - nmin.X + sidelen / 2 + sidelen * x0, - nmin.Z + sidelen / 2 + sidelen * z0 - ); - v2s16 p2d_min( // Minimum edge of part of division - nmin.X + sidelen * x0, - nmin.Z + sidelen * z0 - ); - v2s16 p2d_max( // Maximum edge of part of division - nmin.X + sidelen + sidelen * x0 - 1, - nmin.Z + sidelen + sidelen * z0 - 1 - ); - - // Amount of decorations - float nval = (flags & DECO_USE_NOISE) ? - NoisePerlin2D(&np, p2d_center.X, p2d_center.Y, mapseed) : - fill_ratio; - u32 deco_count = 0; - float deco_count_f = (float)area * nval; - if (deco_count_f >= 1.f) { - deco_count = deco_count_f; - } else if (deco_count_f > 0.f) { - // For low density decorations calculate a chance for 1 decoration - if (ps.range(1000) <= deco_count_f * 1000.f) - deco_count = 1; - } - - for (u32 i = 0; i < deco_count; i++) { - s16 x = ps.range(p2d_min.X, p2d_max.X); - s16 z = ps.range(p2d_min.Y, p2d_max.Y); - int mapindex = carea_size * (z - nmin.Z) + (x - nmin.X); - - if ((flags & DECO_ALL_FLOORS) || - (flags & DECO_ALL_CEILINGS)) { - // All-surfaces decorations - // Check biome of column - if (mg->biomemap && !biomes.empty()) { - std::unordered_set<u8>::const_iterator iter = - biomes.find(mg->biomemap[mapindex]); - if (iter == biomes.end()) - continue; - } - - // Get all floors and ceilings in node column - u16 size = (nmax.Y - nmin.Y + 1) / 2; - s16 floors[size]; - s16 ceilings[size]; - u16 num_floors = 0; - u16 num_ceilings = 0; - - mg->getSurfaces(v2s16(x, z), nmin.Y, nmax.Y, - floors, ceilings, &num_floors, &num_ceilings); - - if ((flags & DECO_ALL_FLOORS) && num_floors > 0) { - // Floor decorations - for (u16 fi = 0; fi < num_floors; fi++) { - s16 y = floors[fi]; - if (y < y_min || y > y_max) - continue; - - v3s16 pos(x, y, z); - if (generate(mg->vm, &ps, pos, false)) - mg->gennotify.addEvent( - GENNOTIFY_DECORATION, pos, index); - } - } - - if ((flags & DECO_ALL_CEILINGS) && num_ceilings > 0) { - // Ceiling decorations - for (u16 ci = 0; ci < num_ceilings; ci++) { - s16 y = ceilings[ci]; - if (y < y_min || y > y_max) - continue; - - v3s16 pos(x, y, z); - if (generate(mg->vm, &ps, pos, true)) - mg->gennotify.addEvent( - GENNOTIFY_DECORATION, pos, index); - } - } - } else { // Heightmap decorations - s16 y = -MAX_MAP_GENERATION_LIMIT; - if (flags & DECO_LIQUID_SURFACE) - y = mg->findLiquidSurface(v2s16(x, z), nmin.Y, nmax.Y); - else if (mg->heightmap) - y = mg->heightmap[mapindex]; - else - y = mg->findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y); - - if (y < y_min || y > y_max || y < nmin.Y || y > nmax.Y) - continue; - - if (mg->biomemap && !biomes.empty()) { - std::unordered_set<u8>::const_iterator iter = - biomes.find(mg->biomemap[mapindex]); - if (iter == biomes.end()) - continue; - } - - v3s16 pos(x, y, z); - if (generate(mg->vm, &ps, pos, false)) - mg->gennotify.addEvent(GENNOTIFY_DECORATION, pos, index); - } - } - } - - return 0; -} - - -/////////////////////////////////////////////////////////////////////////////// - - -void DecoSimple::resolveNodeNames() -{ - Decoration::resolveNodeNames(); - getIdsFromNrBacklog(&c_decos); -} - - -size_t DecoSimple::generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling) -{ - // Don't bother if there aren't any decorations to place - if (c_decos.empty()) - return 0; - - if (!canPlaceDecoration(vm, p)) - return 0; - - // Check for placement outside the voxelmanip volume - if (ceiling) { - // Ceiling decorations - // 'place offset y' is inverted - if (p.Y - place_offset_y - std::max(deco_height, deco_height_max) < - vm->m_area.MinEdge.Y) - return 0; - - if (p.Y - 1 - place_offset_y > vm->m_area.MaxEdge.Y) - return 0; - - } else { // Heightmap and floor decorations - if (p.Y + place_offset_y + std::max(deco_height, deco_height_max) > - vm->m_area.MaxEdge.Y) - return 0; - - if (p.Y + 1 + place_offset_y < vm->m_area.MinEdge.Y) - return 0; - } - - content_t c_place = c_decos[pr->range(0, c_decos.size() - 1)]; - s16 height = (deco_height_max > 0) ? - pr->range(deco_height, deco_height_max) : deco_height; - u8 param2 = (deco_param2_max > 0) ? - pr->range(deco_param2, deco_param2_max) : deco_param2; - bool force_placement = (flags & DECO_FORCE_PLACEMENT); - - const v3s16 &em = vm->m_area.getExtent(); - u32 vi = vm->m_area.index(p); - - if (ceiling) { - // Ceiling decorations - // 'place offset y' is inverted - vm->m_area.add_y(em, vi, -place_offset_y); - - for (int i = 0; i < height; i++) { - vm->m_area.add_y(em, vi, -1); - content_t c = vm->m_data[vi].getContent(); - if (c != CONTENT_AIR && c != CONTENT_IGNORE && !force_placement) - break; - - vm->m_data[vi] = MapNode(c_place, 0, param2); - } - } else { // Heightmap and floor decorations - vm->m_area.add_y(em, vi, place_offset_y); - - for (int i = 0; i < height; i++) { - vm->m_area.add_y(em, vi, 1); - content_t c = vm->m_data[vi].getContent(); - if (c != CONTENT_AIR && c != CONTENT_IGNORE && !force_placement) - break; - - vm->m_data[vi] = MapNode(c_place, 0, param2); - } - } - - return 1; -} - - -/////////////////////////////////////////////////////////////////////////////// - - -size_t DecoSchematic::generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling) -{ - // Schematic could have been unloaded but not the decoration - // In this case generate() does nothing (but doesn't *fail*) - if (schematic == NULL) - return 0; - - if (!canPlaceDecoration(vm, p)) - return 0; - - if (flags & DECO_PLACE_CENTER_Y) { - p.Y -= (schematic->size.Y - 1) / 2; - } else { - // Only apply 'place offset y' if not 'deco place center y' - if (ceiling) - // Shift down so that schematic top layer is level with ceiling - // 'place offset y' is inverted - p.Y -= (place_offset_y + schematic->size.Y - 1); - else - p.Y += place_offset_y; - } - - // Check schematic top and base are in voxelmanip - if (p.Y + schematic->size.Y - 1 > vm->m_area.MaxEdge.Y) - return 0; - - if (p.Y < vm->m_area.MinEdge.Y) - return 0; - - if (flags & DECO_PLACE_CENTER_X) - p.X -= (schematic->size.X - 1) / 2; - if (flags & DECO_PLACE_CENTER_Z) - p.Z -= (schematic->size.Z - 1) / 2; - - Rotation rot = (rotation == ROTATE_RAND) ? - (Rotation)pr->range(ROTATE_0, ROTATE_270) : rotation; - bool force_placement = (flags & DECO_FORCE_PLACEMENT); - - schematic->blitToVManip(vm, p, rot, force_placement); - - return 1; -} |