]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/mg_ore.cpp
Ore: Add puff ore type
[dragonfireclient.git] / src / mg_ore.cpp
index 8681b5782cca4359cc05a5d93661aa1608604cb6..28be816f50c18c53ab8a5535c5f51ff49a79515d 100644 (file)
@@ -24,13 +24,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "map.h"
 #include "log.h"
 
-const char *OreManager::ELEMENT_TITLE = "ore";
-
 FlagDesc flagdesc_ore[] = {
-       {"absheight",            OREFLAG_ABSHEIGHT},
-       {"scatter_noisedensity", OREFLAG_DENSITY},
-       {"claylike_nodeisnt",    OREFLAG_NODEISNT},
-       {NULL,                   0}
+       {"absheight",                 OREFLAG_ABSHEIGHT},
+       {"puff_cliffs",               OREFLAG_PUFF_CLIFFS},
+       {"puff_additive_composition", OREFLAG_PUFF_ADDITIVE},
+       {NULL,                        0}
 };
 
 
@@ -38,22 +36,22 @@ FlagDesc flagdesc_ore[] = {
 
 
 OreManager::OreManager(IGameDef *gamedef) :
-       GenElementManager(gamedef)
+       ObjDefManager(gamedef, OBJDEF_ORE)
 {
 }
 
 
-size_t OreManager::placeAllOres(Mapgen *mg, u32 seed, v3s16 nmin, v3s16 nmax)
+size_t OreManager::placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
 {
        size_t nplaced = 0;
 
-       for (size_t i = 0; i != m_elements.size(); i++) {
-               Ore *ore = (Ore *)m_elements[i];
+       for (size_t i = 0; i != m_objects.size(); i++) {
+               Ore *ore = (Ore *)m_objects[i];
                if (!ore)
                        continue;
 
-               nplaced += ore->placeOre(mg, seed, nmin, nmax);
-               seed++;
+               nplaced += ore->placeOre(mg, blockseed, nmin, nmax);
+               blockseed++;
        }
 
        return nplaced;
@@ -62,11 +60,11 @@ size_t OreManager::placeAllOres(Mapgen *mg, u32 seed, v3s16 nmin, v3s16 nmax)
 
 void OreManager::clear()
 {
-       for (size_t i = 0; i < m_elements.size(); i++) {
-               Ore *ore = (Ore *)m_elements[i];
+       for (size_t i = 0; i < m_objects.size(); i++) {
+               Ore *ore = (Ore *)m_objects[i];
                delete ore;
        }
-       m_elements.clear();
+       m_objects.clear();
 }
 
 
@@ -86,10 +84,10 @@ Ore::~Ore()
 }
 
 
-void Ore::resolveNodeNames(NodeResolveInfo *nri)
+void Ore::resolveNodeNames()
 {
-       m_ndef->getIdFromResolveInfo(nri, "", CONTENT_AIR, c_ore);
-       m_ndef->getIdsFromResolveInfo(nri, c_wherein);
+       getIdFromNrBacklog(&c_ore, "", CONTENT_AIR);
+       getIdsFromNrBacklog(&c_wherein);
 }
 
 
@@ -97,26 +95,26 @@ size_t Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
 {
        int in_range = 0;
 
-       in_range |= (nmin.Y <= height_max && nmax.Y >= height_min);
+       in_range |= (nmin.Y <= y_max && nmax.Y >= y_min);
        if (flags & OREFLAG_ABSHEIGHT)
-               in_range |= (nmin.Y >= -height_max && nmax.Y <= -height_min) << 1;
+               in_range |= (nmin.Y >= -y_max && nmax.Y <= -y_min) << 1;
        if (!in_range)
                return 0;
 
-       int ymin, ymax;
+       int actual_ymin, actual_ymax;
        if (in_range & ORE_RANGE_MIRROR) {
-               ymin = MYMAX(nmin.Y, -height_max);
-               ymax = MYMIN(nmax.Y, -height_min);
+               actual_ymin = MYMAX(nmin.Y, -y_max);
+               actual_ymax = MYMIN(nmax.Y, -y_min);
        } else {
-               ymin = MYMAX(nmin.Y, height_min);
-               ymax = MYMIN(nmax.Y, height_max);
+               actual_ymin = MYMAX(nmin.Y, y_min);
+               actual_ymax = MYMIN(nmax.Y, y_max);
        }
-       if (clust_size >= ymax - ymin + 1)
+       if (clust_size >= actual_ymax - actual_ymin + 1)
                return 0;
 
-       nmin.Y = ymin;
-       nmax.Y = ymax;
-       generate(mg->vm, mg->seed, blockseed, nmin, nmax);
+       nmin.Y = actual_ymin;
+       nmax.Y = actual_ymax;
+       generate(mg->vm, mg->seed, blockseed, nmin, nmax, mg->biomemap);
 
        return 1;
 }
@@ -125,32 +123,40 @@ size_t Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
 ///////////////////////////////////////////////////////////////////////////////
 
 
-void OreScatter::generate(ManualMapVoxelManipulator *vm, int seed,
-       u32 blockseed, v3s16 nmin, v3s16 nmax)
+void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed,
+       v3s16 nmin, v3s16 nmax, u8 *biomemap)
 {
        PseudoRandom pr(blockseed);
        MapNode n_ore(c_ore, 0, ore_param2);
 
-       int volume = (nmax.X - nmin.X + 1) *
+       u32 sizex  = (nmax.X - nmin.X + 1);
+       u32 volume = (nmax.X - nmin.X + 1) *
                                 (nmax.Y - nmin.Y + 1) *
                                 (nmax.Z - nmin.Z + 1);
-       int csize     = clust_size;
-       int orechance = (csize * csize * csize) / clust_num_ores;
-       int nclusters = volume / clust_scarcity;
+       u32 csize     = clust_size;
+       u32 cvolume    = csize * csize * csize;
+       u32 nclusters = volume / clust_scarcity;
 
-       for (int i = 0; i != nclusters; i++) {
+       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, seed) < nthresh))
+                       (NoisePerlin3D(&np, x0, y0, z0, mapseed) < nthresh))
                        continue;
 
-               for (int z1 = 0; z1 != csize; z1++)
-               for (int y1 = 0; y1 != csize; y1++)
-               for (int x1 = 0; x1 != csize; x1++) {
-                       if (pr.range(1, orechance) != 1)
+               if (biomemap && !biomes.empty()) {
+                       u32 index = sizex * (z0 - nmin.Z) + (x0 - nmin.X);
+                       std::set<u8>::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);
@@ -166,34 +172,129 @@ void OreScatter::generate(ManualMapVoxelManipulator *vm, int seed,
 ///////////////////////////////////////////////////////////////////////////////
 
 
-void OreSheet::generate(ManualMapVoxelManipulator *vm, int seed,
-       u32 blockseed, v3s16 nmin, v3s16 nmax)
+void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
+       v3s16 nmin, v3s16 nmax, u8 *biomemap)
 {
        PseudoRandom pr(blockseed + 4234);
        MapNode n_ore(c_ore, 0, ore_param2);
 
-       int max_height = clust_size;
-       int y_start = pr.range(nmin.Y, nmax.Y - max_height);
+       u16 max_height = column_height_max;
+       int y_start = pr.range(nmin.Y + max_height, nmax.Y - max_height);
 
        if (!noise) {
                int sx = nmax.X - nmin.X + 1;
                int sz = nmax.Z - nmin.Z + 1;
-               noise = new Noise(&np, seed, sx, sz);
+               noise = new Noise(&np, 0, sx, sz);
        }
-       noise->seed = seed + y_start;
+       noise->seed = mapseed + y_start;
        noise->perlinMap2D(nmin.X, nmin.Z);
 
-       int index = 0;
+       size_t index = 0;
        for (int z = nmin.Z; z <= nmax.Z; z++)
-       for (int x = nmin.X; x <= nmax.X; x++) {
-               float noiseval = noise->result[index++];
+       for (int x = nmin.X; x <= nmax.X; x++, index++) {
+               float noiseval = noise->result[index];
                if (noiseval < nthresh)
                        continue;
 
-               int height = max_height * (1. / pr.range(1, 3));
-               int y0 = y_start + np.scale * noiseval; //pr.range(1, 3) - 1;
+               if (biomemap && !biomes.empty()) {
+                       std::set<u8>::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 = ymidpoint - height * (1 - column_midpoint_factor);
                int y1 = y0 + height;
-               for (int y = y0; y != y1; y++) {
+
+               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() :
+       Ore()
+{
+       noise_puff_top    = NULL;
+       noise_puff_bottom = NULL;
+}
+
+
+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)
+{
+       PseudoRandom 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::set<u8>::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;
@@ -204,3 +305,137 @@ void OreSheet::generate(ManualMapVoxelManipulator *vm, int seed,
                }
        }
 }
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+
+void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
+       v3s16 nmin, v3s16 nmax, u8 *biomemap)
+{
+       PseudoRandom 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::set<u8>::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 = x1 - csize / 2;
+                       float ydist = y1 - csize / 2;
+                       float zdist = z1 - csize / 2;
+
+                       noiseval -= (sqrt(xdist * xdist + ydist * ydist + zdist * zdist) / csize);
+
+                       if (noiseval < nthresh)
+                               continue;
+
+                       vm->m_data[i] = n_ore;
+               }
+       }
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+OreVein::OreVein() :
+       Ore()
+{
+       noise2 = NULL;
+}
+
+
+OreVein::~OreVein()
+{
+       delete noise2;
+}
+
+
+void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed,
+       v3s16 nmin, v3s16 nmax, u8 *biomemap)
+{
+       PseudoRandom 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::set<u8>::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;
+       }
+}