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-rw-r--r--src/mapgen/mapgen.cpp4
-rw-r--r--src/mapgen/mg_biome.cpp48
-rw-r--r--src/mapgen/mg_biome.h16
3 files changed, 39 insertions, 29 deletions
diff --git a/src/mapgen/mapgen.cpp b/src/mapgen/mapgen.cpp
index 5f7a9d6cf..a39e29004 100644
--- a/src/mapgen/mapgen.cpp
+++ b/src/mapgen/mapgen.cpp
@@ -693,7 +693,7 @@ void MapgenBasic::generateBiomes(MgStoneType *mgstone_type,
if (is_stone_surface || is_water_surface) {
// (Re)calculate biome
- biome = biomegen->getBiomeAtIndex(index, y);
+ biome = biomegen->getBiomeAtIndex(index, v3s16(x, y, z));
if (biomemap[index] == BIOME_NONE && is_stone_surface)
biomemap[index] = biome->index;
@@ -704,7 +704,7 @@ void MapgenBasic::generateBiomes(MgStoneType *mgstone_type,
noise_filler_depth->result[index], 0.0f);
depth_water_top = biome->depth_water_top;
depth_riverbed = biome->depth_riverbed;
- biome_y_min = biome->y_min;
+ biome_y_min = biome->min_pos.Y;
// Detect stone type for dungeons during every biome calculation.
// If none detected the last selected biome stone is chosen.
diff --git a/src/mapgen/mg_biome.cpp b/src/mapgen/mg_biome.cpp
index eb12fcc73..38017ea9d 100644
--- a/src/mapgen/mg_biome.cpp
+++ b/src/mapgen/mg_biome.cpp
@@ -46,8 +46,10 @@ BiomeManager::BiomeManager(Server *server) :
b->depth_filler = -MAX_MAP_GENERATION_LIMIT;
b->depth_water_top = 0;
b->depth_riverbed = 0;
- b->y_min = -MAX_MAP_GENERATION_LIMIT;
- b->y_max = MAX_MAP_GENERATION_LIMIT;
+ b->min_pos = v3s16(-MAX_MAP_GENERATION_LIMIT,
+ -MAX_MAP_GENERATION_LIMIT, -MAX_MAP_GENERATION_LIMIT);
+ b->max_pos = v3s16(MAX_MAP_GENERATION_LIMIT,
+ MAX_MAP_GENERATION_LIMIT, MAX_MAP_GENERATION_LIMIT);
b->heat_point = 0.0;
b->humidity_point = 0.0;
b->vertical_blend = 0;
@@ -106,7 +108,7 @@ float BiomeManager::getHumidityAtPosOriginal(v3s16 pos, NoiseParams &np_humidity
// For BiomeGen type 'BiomeGenOriginal'
-Biome *BiomeManager::getBiomeFromNoiseOriginal(float heat, float humidity, s16 y)
+Biome *BiomeManager::getBiomeFromNoiseOriginal(float heat, float humidity, v3s16 pos)
{
Biome *biome_closest = nullptr;
Biome *biome_closest_blend = nullptr;
@@ -115,14 +117,17 @@ Biome *BiomeManager::getBiomeFromNoiseOriginal(float heat, float humidity, s16 y
for (size_t i = 1; i < getNumObjects(); i++) {
Biome *b = (Biome *)getRaw(i);
- if (!b || y > b->y_max + b->vertical_blend || y < b->y_min)
+ if (!b ||
+ pos.Y < b->min_pos.Y || pos.Y > b->max_pos.Y + b->vertical_blend ||
+ pos.X < b->min_pos.X || pos.X > b->max_pos.X ||
+ pos.Z < b->min_pos.Z || pos.Z > b->max_pos.Z)
continue;
float d_heat = heat - b->heat_point;
float d_humidity = humidity - b->humidity_point;
float dist = (d_heat * d_heat) + (d_humidity * d_humidity);
- if (y <= b->y_max) { // Within y limits of biome b
+ if (pos.Y <= b->max_pos.Y) { // Within y limits of biome b
if (dist < dist_min) {
dist_min = dist;
biome_closest = b;
@@ -133,10 +138,10 @@ Biome *BiomeManager::getBiomeFromNoiseOriginal(float heat, float humidity, s16 y
}
}
- mysrand(y + (heat + humidity) / 2);
+ mysrand(pos.Y + (heat + humidity) / 2);
if (biome_closest_blend &&
myrand_range(0, biome_closest_blend->vertical_blend) >=
- y - biome_closest_blend->y_max)
+ pos.Y - biome_closest_blend->max_pos.Y)
return biome_closest_blend;
return (biome_closest) ? biome_closest : (Biome *)getRaw(BIOME_NONE);
@@ -206,7 +211,7 @@ Biome *BiomeGenOriginal::calcBiomeAtPoint(v3s16 pos) const
NoisePerlin2D(&m_params->np_humidity, pos.X, pos.Z, m_params->seed) +
NoisePerlin2D(&m_params->np_humidity_blend, pos.X, pos.Z, m_params->seed);
- return calcBiomeFromNoise(heat, humidity, pos.Y);
+ return calcBiomeFromNoise(heat, humidity, pos);
}
@@ -226,13 +231,15 @@ void BiomeGenOriginal::calcBiomeNoise(v3s16 pmin)
}
-biome_t *BiomeGenOriginal::getBiomes(s16 *heightmap)
+biome_t *BiomeGenOriginal::getBiomes(s16 *heightmap, v3s16 pmin)
{
- for (s32 i = 0; i != m_csize.X * m_csize.Z; i++) {
+ for (s16 zr = 0; zr < m_csize.Z; zr++)
+ for (s16 xr = 0; xr < m_csize.X; xr++) {
+ s32 i = zr * m_csize.X + xr;
Biome *biome = calcBiomeFromNoise(
noise_heat->result[i],
noise_humidity->result[i],
- heightmap[i]);
+ v3s16(pmin.X + xr, heightmap[i], pmin.Z + zr));
biomemap[i] = biome->index;
}
@@ -245,20 +252,20 @@ Biome *BiomeGenOriginal::getBiomeAtPoint(v3s16 pos) const
{
return getBiomeAtIndex(
(pos.Z - m_pmin.Z) * m_csize.X + (pos.X - m_pmin.X),
- pos.Y);
+ pos);
}
-Biome *BiomeGenOriginal::getBiomeAtIndex(size_t index, s16 y) const
+Biome *BiomeGenOriginal::getBiomeAtIndex(size_t index, v3s16 pos) const
{
return calcBiomeFromNoise(
noise_heat->result[index],
noise_humidity->result[index],
- y);
+ pos);
}
-Biome *BiomeGenOriginal::calcBiomeFromNoise(float heat, float humidity, s16 y) const
+Biome *BiomeGenOriginal::calcBiomeFromNoise(float heat, float humidity, v3s16 pos) const
{
Biome *biome_closest = nullptr;
Biome *biome_closest_blend = nullptr;
@@ -267,14 +274,17 @@ Biome *BiomeGenOriginal::calcBiomeFromNoise(float heat, float humidity, s16 y) c
for (size_t i = 1; i < m_bmgr->getNumObjects(); i++) {
Biome *b = (Biome *)m_bmgr->getRaw(i);
- if (!b || y > b->y_max + b->vertical_blend || y < b->y_min)
+ if (!b ||
+ pos.Y < b->min_pos.Y || pos.Y > b->max_pos.Y + b->vertical_blend ||
+ pos.X < b->min_pos.X || pos.X > b->max_pos.X ||
+ pos.Z < b->min_pos.Z || pos.Z > b->max_pos.Z)
continue;
float d_heat = heat - b->heat_point;
float d_humidity = humidity - b->humidity_point;
float dist = (d_heat * d_heat) + (d_humidity * d_humidity);
- if (y <= b->y_max) { // Within y limits of biome b
+ if (pos.Y <= b->max_pos.Y) { // Within y limits of biome b
if (dist < dist_min) {
dist_min = dist;
biome_closest = b;
@@ -288,11 +298,11 @@ Biome *BiomeGenOriginal::calcBiomeFromNoise(float heat, float humidity, s16 y) c
// Carefully tune pseudorandom seed variation to avoid single node dither
// and create larger scale blending patterns similar to horizontal biome
// blend.
- mysrand(y + (heat + humidity) / 2);
+ mysrand(pos.Y + (heat + humidity) / 2);
if (biome_closest_blend &&
myrand_range(0, biome_closest_blend->vertical_blend) >=
- y - biome_closest_blend->y_max)
+ pos.Y - biome_closest_blend->max_pos.Y)
return biome_closest_blend;
return (biome_closest) ? biome_closest : (Biome *)m_bmgr->getRaw(BIOME_NONE);
diff --git a/src/mapgen/mg_biome.h b/src/mapgen/mg_biome.h
index a2bfaf5b9..ad90f28f8 100644
--- a/src/mapgen/mg_biome.h
+++ b/src/mapgen/mg_biome.h
@@ -63,8 +63,8 @@ public:
s16 depth_water_top;
s16 depth_riverbed;
- s16 y_min;
- s16 y_max;
+ v3s16 min_pos;
+ v3s16 max_pos;
float heat_point;
float humidity_point;
s16 vertical_blend;
@@ -108,14 +108,14 @@ public:
// Gets all biomes in current chunk using each corresponding element of
// heightmap as the y position, then stores the results by biome index in
// biomemap (also returned)
- virtual biome_t *getBiomes(s16 *heightmap) = 0;
+ virtual biome_t *getBiomes(s16 *heightmap, v3s16 pmin) = 0;
// Gets a single biome at the specified position, which must be contained
// in the region formed by m_pmin and (m_pmin + m_csize - 1).
virtual Biome *getBiomeAtPoint(v3s16 pos) const = 0;
// Same as above, but uses a raw numeric index correlating to the (x,z) position.
- virtual Biome *getBiomeAtIndex(size_t index, s16 y) const = 0;
+ virtual Biome *getBiomeAtIndex(size_t index, v3s16 pos) const = 0;
// Result of calcBiomes bulk computation.
biome_t *biomemap = nullptr;
@@ -164,11 +164,11 @@ public:
Biome *calcBiomeAtPoint(v3s16 pos) const;
void calcBiomeNoise(v3s16 pmin);
- biome_t *getBiomes(s16 *heightmap);
+ biome_t *getBiomes(s16 *heightmap, v3s16 pmin);
Biome *getBiomeAtPoint(v3s16 pos) const;
- Biome *getBiomeAtIndex(size_t index, s16 y) const;
+ Biome *getBiomeAtIndex(size_t index, v3s16 pos) const;
- Biome *calcBiomeFromNoise(float heat, float humidity, s16 y) const;
+ Biome *calcBiomeFromNoise(float heat, float humidity, v3s16 pos) const;
float *heatmap;
float *humidmap;
@@ -230,7 +230,7 @@ public:
NoiseParams &np_heat_blend, u64 seed);
float getHumidityAtPosOriginal(v3s16 pos, NoiseParams &np_humidity,
NoiseParams &np_humidity_blend, u64 seed);
- Biome *getBiomeFromNoiseOriginal(float heat, float humidity, s16 y);
+ Biome *getBiomeFromNoiseOriginal(float heat, float humidity, v3s16 pos);
private:
Server *m_server;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:49:14 +0000