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authorVitaliy <silverunicorn2011@yandex.ru>2017-11-09 01:56:20 +0300
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-11-08 23:56:20 +0100
commit20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch)
tree67378802190117d8271b3b6d489a92bcb16203b7 /src/mg_decoration.cpp
parentfc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff)
downloaddragonfireclient-20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f.tar.xz
Move files to subdirectories (#6599)
* Move files around
Diffstat (limited to 'src/mg_decoration.cpp')
-rw-r--r--src/mg_decoration.cpp377
1 files changed, 0 insertions, 377 deletions
diff --git a/src/mg_decoration.cpp b/src/mg_decoration.cpp
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--- a/src/mg_decoration.cpp
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@@ -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;
-}