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-rw-r--r--src/mapgen/mg_ore.cpp423
1 files changed, 199 insertions, 224 deletions
diff --git a/src/mapgen/mg_ore.cpp b/src/mapgen/mg_ore.cpp
index b50ed6a32..5af8e31e4 100644
--- a/src/mapgen/mg_ore.cpp
+++ b/src/mapgen/mg_ore.cpp
@@ -27,24 +27,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <cmath>
#include <algorithm>
-
-FlagDesc flagdesc_ore[] = {
- {"absheight", OREFLAG_ABSHEIGHT}, // Non-functional
- {"puff_cliffs", OREFLAG_PUFF_CLIFFS},
- {"puff_additive_composition", OREFLAG_PUFF_ADDITIVE},
- {NULL, 0}
-};
-
+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)
+OreManager::OreManager(IGameDef *gamedef) : ObjDefManager(gamedef, OBJDEF_ORE)
{
}
-
size_t OreManager::placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
{
size_t nplaced = 0;
@@ -61,17 +53,15 @@ size_t OreManager::placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nma
return nplaced;
}
-
void OreManager::clear()
{
for (ObjDef *object : m_objects) {
- Ore *ore = (Ore *) object;
+ Ore *ore = (Ore *)object;
delete ore;
}
m_objects.clear();
}
-
OreManager *OreManager::clone() const
{
auto mgr = new OreManager();
@@ -79,23 +69,19 @@ OreManager *OreManager::clone() const
return mgr;
}
-
///////////////////////////////////////////////////////////////////////////////
-
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)
@@ -113,7 +99,6 @@ size_t Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
return 1;
}
-
void Ore::cloneTo(Ore *def) const
{
ObjDef::cloneTo(def);
@@ -133,10 +118,8 @@ void Ore::cloneTo(Ore *def) const
def->biomes = biomes;
}
-
///////////////////////////////////////////////////////////////////////////////
-
ObjDef *OreScatter::clone() const
{
auto def = new OreScatter();
@@ -144,19 +127,17 @@ ObjDef *OreScatter::clone() const
return def;
}
-
-void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin,
+ v3s16 nmax, biome_t *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 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++) {
@@ -165,7 +146,7 @@ void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed,
int z0 = pr.range(nmin.Z, nmax.Z - csize + 1);
if ((flags & OREFLAG_USE_NOISE) &&
- (NoisePerlin3D(&np, x0, y0, z0, mapseed) < nthresh))
+ (NoisePerlin3D(&np, x0, y0, z0, mapseed) < nthresh))
continue;
if (biomemap && !biomes.empty()) {
@@ -176,24 +157,24 @@ void OreScatter::generate(MMVManip *vm, int mapseed, u32 blockseed,
}
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;
- }
+ 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;
+ }
}
}
-
///////////////////////////////////////////////////////////////////////////////
-
ObjDef *OreSheet::clone() const
{
auto def = new OreSheet();
@@ -206,9 +187,8 @@ ObjDef *OreSheet::clone() const
return def;
}
-
-void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin, v3s16 nmax,
+ biome_t *biomemap)
{
PcgRandom pr(blockseed + 4234);
MapNode n_ore(c_ore, 0, ore_param2);
@@ -217,9 +197,8 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
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;
+ 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;
@@ -231,45 +210,43 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
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()) {
- auto it = biomes.find(biomemap[index]);
- if (it == biomes.end())
+ for (int x = nmin.X; x <= nmax.X; x++, index++) {
+ float noiseval = noise->result[index];
+ if (noiseval < nthresh)
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);
+ if (biomemap && !biomes.empty()) {
+ auto it = biomes.find(biomemap[index]);
+ if (it == biomes.end())
+ continue;
+ }
- 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;
+ 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;
+ vm->m_data[i] = n_ore;
+ }
}
- }
}
-
///////////////////////////////////////////////////////////////////////////////
-
OrePuff::~OrePuff()
{
delete noise_puff_top;
delete noise_puff_bottom;
}
-
ObjDef *OrePuff::clone() const
{
auto def = new OrePuff();
@@ -283,9 +260,8 @@ ObjDef *OrePuff::clone() const
return def;
}
-
-void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin, v3s16 nmax,
+ biome_t *biomemap)
{
PcgRandom pr(blockseed + 4234);
MapNode n_ore(c_ore, 0, ore_param2);
@@ -306,57 +282,55 @@ void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed,
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()) {
- auto it = biomes.find(biomemap[index]);
- if (it == biomes.end())
+ for (int x = nmin.X; x <= nmax.X; x++, index++) {
+ float noiseval = noise->result[index];
+ if (noiseval < nthresh)
continue;
- }
- if (!noise_generated) {
- noise_generated = true;
- noise_puff_top->perlinMap2D(nmin.X, nmin.Z);
- noise_puff_bottom->perlinMap2D(nmin.X, nmin.Z);
- }
+ if (biomemap && !biomes.empty()) {
+ auto it = biomes.find(biomemap[index]);
+ if (it == biomes.end())
+ continue;
+ }
- float ntop = noise_puff_top->result[index];
- float nbottom = noise_puff_bottom->result[index];
+ if (!noise_generated) {
+ noise_generated = true;
+ noise_puff_top->perlinMap2D(nmin.X, nmin.Z);
+ noise_puff_bottom->perlinMap2D(nmin.X, nmin.Z);
+ }
- if (!(flags & OREFLAG_PUFF_CLIFFS)) {
- float ndiff = noiseval - nthresh;
- if (ndiff < 1.0f) {
- ntop *= ndiff;
- nbottom *= ndiff;
+ 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;
+ int ymid = y_start;
+ int y0 = ymid - nbottom;
+ int y1 = ymid + ntop;
- if ((flags & OREFLAG_PUFF_ADDITIVE) && (y0 > y1))
- SWAP(int, y0, y1);
+ 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;
+ 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;
+ vm->m_data[i] = n_ore;
+ }
}
- }
}
-
///////////////////////////////////////////////////////////////////////////////
-
ObjDef *OreBlob::clone() const
{
auto def = new OreBlob();
@@ -364,18 +338,16 @@ ObjDef *OreBlob::clone() const
return def;
}
-
-void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin, v3s16 nmax,
+ biome_t *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 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)
@@ -398,45 +370,48 @@ void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
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 -= std::sqrt(xdist * xdist + ydist * ydist + zdist * zdist) / csize;
-
- if (noiseval < nthresh)
- continue;
-
- vm->m_data[i] = n_ore;
- }
+ 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 -= std::sqrt(xdist * xdist +
+ ydist * ydist +
+ zdist * zdist) /
+ csize;
+
+ if (noiseval < nthresh)
+ continue;
+
+ vm->m_data[i] = n_ore;
+ }
}
}
-
///////////////////////////////////////////////////////////////////////////////
-
OreVein::~OreVein()
{
delete noise2;
}
-
ObjDef *OreVein::clone() const
{
auto def = new OreVein();
@@ -449,9 +424,8 @@ ObjDef *OreVein::clone() const
return def;
}
-
-void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin, v3s16 nmax,
+ biome_t *biomemap)
{
PcgRandom pr(blockseed + 520);
MapNode n_ore(c_ore, 0, ore_param2);
@@ -467,7 +441,7 @@ void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed,
delete noise;
delete noise2;
int sizez = nmax.Z - nmin.Z + 1;
- noise = new Noise(&np, mapseed, sizex, sizey, sizez);
+ noise = new Noise(&np, mapseed, sizex, sizey, sizez);
noise2 = new Noise(&np, mapseed + 436, sizex, sizey, sizez);
sizey_prev = sizey;
}
@@ -475,49 +449,48 @@ void OreVein::generate(MMVManip *vm, int mapseed, u32 blockseed,
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);
- auto 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;
- }
+ 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);
+ auto 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;
}
-
ObjDef *OreStratum::clone() const
{
auto def = new OreStratum();
@@ -530,9 +503,8 @@ ObjDef *OreStratum::clone() const
return def;
}
-
-void OreStratum::generate(MMVManip *vm, int mapseed, u32 blockseed,
- v3s16 nmin, v3s16 nmax, biome_t *biomemap)
+void OreStratum::generate(MMVManip *vm, int mapseed, u32 blockseed, v3s16 nmin,
+ v3s16 nmax, biome_t *biomemap)
{
PcgRandom pr(blockseed + 4234);
MapNode n_ore(c_ore, 0, ore_param2);
@@ -550,7 +522,8 @@ void OreStratum::generate(MMVManip *vm, int mapseed, u32 blockseed,
if (!noise_stratum_thickness) {
int sx = nmax.X - nmin.X + 1;
int sz = nmax.Z - nmin.Z + 1;
- noise_stratum_thickness = new Noise(&np_stratum_thickness, 0, sx, sz);
+ noise_stratum_thickness =
+ new Noise(&np_stratum_thickness, 0, sx, sz);
}
noise_stratum_thickness->perlinMap2D(nmin.X, nmin.Z);
}
@@ -558,39 +531,41 @@ void OreStratum::generate(MMVManip *vm, int mapseed, u32 blockseed,
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()) {
- auto it = biomes.find(biomemap[index]);
- if (it == biomes.end())
- continue;
- }
+ for (int x = nmin.X; x <= nmax.X; x++, index++) {
+ if (biomemap && !biomes.empty()) {
+ auto it = biomes.find(biomemap[index]);
+ if (it == biomes.end())
+ continue;
+ }
- int y0;
- int y1;
-
- if (flags & OREFLAG_USE_NOISE) {
- float nhalfthick = ((flags & OREFLAG_USE_NOISE2) ?
- noise_stratum_thickness->result[index] : (float)stratum_thickness) /
- 2.0f;
- float nmid = noise->result[index];
- y0 = MYMAX(nmin.Y, std::ceil(nmid - nhalfthick));
- y1 = MYMIN(nmax.Y, nmid + nhalfthick);
- } else { // Simple horizontal stratum
- y0 = nmin.Y;
- y1 = nmax.Y;
- }
+ int y0;
+ int y1;
+
+ if (flags & OREFLAG_USE_NOISE) {
+ float nhalfthick =
+ ((flags & OREFLAG_USE_NOISE2) ? noise_stratum_thickness
+ ->result[index]
+ : (float)stratum_thickness) /
+ 2.0f;
+ float nmid = noise->result[index];
+ y0 = MYMAX(nmin.Y, std::ceil(nmid - nhalfthick));
+ y1 = MYMIN(nmax.Y, nmid + nhalfthick);
+ } else { // Simple horizontal stratum
+ y0 = nmin.Y;
+ y1 = nmax.Y;
+ }
- for (int y = y0; y <= y1; y++) {
- if (pr.range(1, clust_scarcity) != 1)
- continue;
+ 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;
+ 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;
+ vm->m_data[i] = n_ore;
+ }
}
- }
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-21 06:44:35 +0000