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author | Vitaliy <silverunicorn2011@yandex.ru> | 2017-11-09 01:56:20 +0300 |
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committer | Loïc Blot <nerzhul@users.noreply.github.com> | 2017-11-08 23:56:20 +0100 |
commit | 20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch) | |
tree | 67378802190117d8271b3b6d489a92bcb16203b7 /src/mg_ore.cpp | |
parent | fc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff) | |
download | minetest-20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f.tar.gz minetest-20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f.tar.bz2 minetest-20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f.zip |
Move files to subdirectories (#6599)
* Move files around
Diffstat (limited to 'src/mg_ore.cpp')
-rw-r--r-- | src/mg_ore.cpp | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/src/mg_ore.cpp b/src/mg_ore.cpp deleted file mode 100644 index 979135ed4..000000000 --- a/src/mg_ore.cpp +++ /dev/null @@ -1,483 +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_ore.h" -#include "mapgen.h" -#include "noise.h" -#include "map.h" -#include "log.h" -#include "util/numeric.h" -#include <algorithm> - - -FlagDesc flagdesc_ore[] = { - {"absheight", OREFLAG_ABSHEIGHT}, // Non-functional - {"puff_cliffs", OREFLAG_PUFF_CLIFFS}, - {"puff_additive_composition", OREFLAG_PUFF_ADDITIVE}, - {NULL, 0} -}; - - -/////////////////////////////////////////////////////////////////////////////// - - -OreManager::OreManager(IGameDef *gamedef) : - ObjDefManager(gamedef, OBJDEF_ORE) -{ -} - - -size_t OreManager::placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) -{ - size_t nplaced = 0; - - for (size_t i = 0; i != m_objects.size(); i++) { - Ore *ore = (Ore *)m_objects[i]; - if (!ore) - continue; - - nplaced += ore->placeOre(mg, blockseed, nmin, nmax); - blockseed++; - } - - return nplaced; -} - - -void OreManager::clear() -{ - for (ObjDef *object : m_objects) { - Ore *ore = (Ore *) object; - delete ore; - } - m_objects.clear(); -} - - -/////////////////////////////////////////////////////////////////////////////// - - -Ore::~Ore() -{ - delete noise; -} - - -void Ore::resolveNodeNames() -{ - getIdFromNrBacklog(&c_ore, "", CONTENT_AIR); - getIdsFromNrBacklog(&c_wherein); -} - - -size_t Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) -{ - if (nmin.Y > y_max || nmax.Y < y_min) - return 0; - - int actual_ymin = MYMAX(nmin.Y, y_min); - int actual_ymax = MYMIN(nmax.Y, y_max); - if (clust_size >= actual_ymax - actual_ymin + 1) - return 0; - - nmin.Y = actual_ymin; - nmax.Y = actual_ymax; - generate(mg->vm, mg->seed, blockseed, nmin, nmax, mg->biomemap); - - return 1; -} - - -/////////////////////////////////////////////////////////////////////////////// - - -void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed); - MapNode n_ore(c_ore, 0, ore_param2); - - u32 sizex = (nmax.X - nmin.X + 1); - u32 volume = (nmax.X - nmin.X + 1) * - (nmax.Y - nmin.Y + 1) * - (nmax.Z - nmin.Z + 1); - u32 csize = clust_size; - u32 cvolume = csize * csize * csize; - u32 nclusters = volume / clust_scarcity; - - for (u32 i = 0; i != nclusters; i++) { - int x0 = pr.range(nmin.X, nmax.X - csize + 1); - int y0 = pr.range(nmin.Y, nmax.Y - csize + 1); - int z0 = pr.range(nmin.Z, nmax.Z - csize + 1); - - if ((flags & OREFLAG_USE_NOISE) && - (NoisePerlin3D(&np, x0, y0, z0, mapseed) < nthresh)) - continue; - - if (biomemap && !biomes.empty()) { - u32 index = sizex * (z0 - nmin.Z) + (x0 - nmin.X); - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[index]); - if (it == biomes.end()) - continue; - } - - for (u32 z1 = 0; z1 != csize; z1++) - for (u32 y1 = 0; y1 != csize; y1++) - for (u32 x1 = 0; x1 != csize; x1++) { - if (pr.range(1, cvolume) > clust_num_ores) - continue; - - u32 i = vm->m_area.index(x0 + x1, y0 + y1, z0 + z1); - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - vm->m_data[i] = n_ore; - } - } -} - - -/////////////////////////////////////////////////////////////////////////////// - - -void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed + 4234); - MapNode n_ore(c_ore, 0, ore_param2); - - u16 max_height = column_height_max; - int y_start_min = nmin.Y + max_height; - int y_start_max = nmax.Y - max_height; - - int y_start = y_start_min < y_start_max ? - pr.range(y_start_min, y_start_max) : - (y_start_min + y_start_max) / 2; - - if (!noise) { - int sx = nmax.X - nmin.X + 1; - int sz = nmax.Z - nmin.Z + 1; - noise = new Noise(&np, 0, sx, sz); - } - noise->seed = mapseed + y_start; - noise->perlinMap2D(nmin.X, nmin.Z); - - size_t index = 0; - for (int z = nmin.Z; z <= nmax.Z; z++) - for (int x = nmin.X; x <= nmax.X; x++, index++) { - float noiseval = noise->result[index]; - if (noiseval < nthresh) - continue; - - if (biomemap && !biomes.empty()) { - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[index]); - if (it == biomes.end()) - continue; - } - - u16 height = pr.range(column_height_min, column_height_max); - int ymidpoint = y_start + noiseval; - int y0 = MYMAX(nmin.Y, ymidpoint - height * (1 - column_midpoint_factor)); - int y1 = MYMIN(nmax.Y, y0 + height - 1); - - for (int y = y0; y <= y1; y++) { - u32 i = vm->m_area.index(x, y, z); - if (!vm->m_area.contains(i)) - continue; - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - vm->m_data[i] = n_ore; - } - } -} - - -/////////////////////////////////////////////////////////////////////////////// - - -OrePuff::~OrePuff() -{ - delete noise_puff_top; - delete noise_puff_bottom; -} - - -void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed + 4234); - MapNode n_ore(c_ore, 0, ore_param2); - - int y_start = pr.range(nmin.Y, nmax.Y); - - if (!noise) { - int sx = nmax.X - nmin.X + 1; - int sz = nmax.Z - nmin.Z + 1; - noise = new Noise(&np, 0, sx, sz); - noise_puff_top = new Noise(&np_puff_top, 0, sx, sz); - noise_puff_bottom = new Noise(&np_puff_bottom, 0, sx, sz); - } - - noise->seed = mapseed + y_start; - noise->perlinMap2D(nmin.X, nmin.Z); - bool noise_generated = false; - - size_t index = 0; - for (int z = nmin.Z; z <= nmax.Z; z++) - for (int x = nmin.X; x <= nmax.X; x++, index++) { - float noiseval = noise->result[index]; - if (noiseval < nthresh) - continue; - - if (biomemap && !biomes.empty()) { - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[index]); - if (it == biomes.end()) - continue; - } - - if (!noise_generated) { - noise_generated = true; - noise_puff_top->perlinMap2D(nmin.X, nmin.Z); - noise_puff_bottom->perlinMap2D(nmin.X, nmin.Z); - } - - float ntop = noise_puff_top->result[index]; - float nbottom = noise_puff_bottom->result[index]; - - if (!(flags & OREFLAG_PUFF_CLIFFS)) { - float ndiff = noiseval - nthresh; - if (ndiff < 1.0f) { - ntop *= ndiff; - nbottom *= ndiff; - } - } - - int ymid = y_start; - int y0 = ymid - nbottom; - int y1 = ymid + ntop; - - if ((flags & OREFLAG_PUFF_ADDITIVE) && (y0 > y1)) - SWAP(int, y0, y1); - - for (int y = y0; y <= y1; y++) { - u32 i = vm->m_area.index(x, y, z); - if (!vm->m_area.contains(i)) - continue; - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - vm->m_data[i] = n_ore; - } - } -} - - -/////////////////////////////////////////////////////////////////////////////// - - -void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed + 2404); - MapNode n_ore(c_ore, 0, ore_param2); - - u32 sizex = (nmax.X - nmin.X + 1); - u32 volume = (nmax.X - nmin.X + 1) * - (nmax.Y - nmin.Y + 1) * - (nmax.Z - nmin.Z + 1); - u32 csize = clust_size; - u32 nblobs = volume / clust_scarcity; - - if (!noise) - noise = new Noise(&np, mapseed, csize, csize, csize); - - for (u32 i = 0; i != nblobs; i++) { - int x0 = pr.range(nmin.X, nmax.X - csize + 1); - int y0 = pr.range(nmin.Y, nmax.Y - csize + 1); - int z0 = pr.range(nmin.Z, nmax.Z - csize + 1); - - if (biomemap && !biomes.empty()) { - u32 bmapidx = sizex * (z0 - nmin.Z) + (x0 - nmin.X); - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[bmapidx]); - if (it == biomes.end()) - continue; - } - - bool noise_generated = false; - noise->seed = blockseed + i; - - size_t index = 0; - for (u32 z1 = 0; z1 != csize; z1++) - for (u32 y1 = 0; y1 != csize; y1++) - for (u32 x1 = 0; x1 != csize; x1++, index++) { - u32 i = vm->m_area.index(x0 + x1, y0 + y1, z0 + z1); - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - // Lazily generate noise only if there's a chance of ore being placed - // This simple optimization makes calls 6x faster on average - if (!noise_generated) { - noise_generated = true; - noise->perlinMap3D(x0, y0, z0); - } - - float noiseval = noise->result[index]; - - float xdist = (s32)x1 - (s32)csize / 2; - float ydist = (s32)y1 - (s32)csize / 2; - float zdist = (s32)z1 - (s32)csize / 2; - - noiseval -= (sqrt(xdist * xdist + ydist * ydist + zdist * zdist) / csize); - - if (noiseval < nthresh) - continue; - - vm->m_data[i] = n_ore; - } - } -} - - -/////////////////////////////////////////////////////////////////////////////// - - -OreVein::~OreVein() -{ - delete noise2; -} - - -void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed + 520); - MapNode n_ore(c_ore, 0, ore_param2); - - u32 sizex = (nmax.X - nmin.X + 1); - - if (!noise) { - int sx = nmax.X - nmin.X + 1; - int sy = nmax.Y - nmin.Y + 1; - int sz = nmax.Z - nmin.Z + 1; - noise = new Noise(&np, mapseed, sx, sy, sz); - noise2 = new Noise(&np, mapseed + 436, sx, sy, sz); - } - bool noise_generated = false; - - size_t index = 0; - for (int z = nmin.Z; z <= nmax.Z; z++) - for (int y = nmin.Y; y <= nmax.Y; y++) - for (int x = nmin.X; x <= nmax.X; x++, index++) { - u32 i = vm->m_area.index(x, y, z); - if (!vm->m_area.contains(i)) - continue; - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - if (biomemap && !biomes.empty()) { - u32 bmapidx = sizex * (z - nmin.Z) + (x - nmin.X); - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[bmapidx]); - if (it == biomes.end()) - continue; - } - - // Same lazy generation optimization as in OreBlob - if (!noise_generated) { - noise_generated = true; - noise->perlinMap3D(nmin.X, nmin.Y, nmin.Z); - noise2->perlinMap3D(nmin.X, nmin.Y, nmin.Z); - } - - // randval ranges from -1..1 - float randval = (float)pr.next() / (pr.RANDOM_RANGE / 2) - 1.f; - float noiseval = contour(noise->result[index]); - float noiseval2 = contour(noise2->result[index]); - if (noiseval * noiseval2 + randval * random_factor < nthresh) - continue; - - vm->m_data[i] = n_ore; - } -} - - -/////////////////////////////////////////////////////////////////////////////// - - -OreStratum::~OreStratum() -{ - delete noise_stratum_thickness; -} - - -void OreStratum::generate(MMVManip *vm, int mapseed, u32 blockseed, - v3s16 nmin, v3s16 nmax, u8 *biomemap) -{ - PcgRandom pr(blockseed + 4234); - MapNode n_ore(c_ore, 0, ore_param2); - - if (flags & OREFLAG_USE_NOISE) { - if (!(noise && noise_stratum_thickness)) { - int sx = nmax.X - nmin.X + 1; - int sz = nmax.Z - nmin.Z + 1; - noise = new Noise(&np, 0, sx, sz); - noise_stratum_thickness = new Noise(&np_stratum_thickness, 0, sx, sz); - } - noise->perlinMap2D(nmin.X, nmin.Z); - noise_stratum_thickness->perlinMap2D(nmin.X, nmin.Z); - } - - size_t index = 0; - - for (int z = nmin.Z; z <= nmax.Z; z++) - for (int x = nmin.X; x <= nmax.X; x++, index++) { - if (biomemap && !biomes.empty()) { - std::unordered_set<u8>::const_iterator it = biomes.find(biomemap[index]); - if (it == biomes.end()) - continue; - } - - int y0; - int y1; - - if (flags & OREFLAG_USE_NOISE) { - float nmid = noise->result[index]; - float nhalfthick = noise_stratum_thickness->result[index] / 2.0f; - y0 = MYMAX(nmin.Y, nmid - nhalfthick); - y1 = MYMIN(nmax.Y, nmid + nhalfthick); - } else { - y0 = nmin.Y; - y1 = nmax.Y; - } - - for (int y = y0; y <= y1; y++) { - if (pr.range(1, clust_scarcity) != 1) - continue; - - u32 i = vm->m_area.index(x, y, z); - if (!vm->m_area.contains(i)) - continue; - if (!CONTAINS(c_wherein, vm->m_data[i].getContent())) - continue; - - vm->m_data[i] = n_ore; - } - } -} |