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-rw-r--r--src/mapgen.cpp20
-rw-r--r--src/mapgen_flat.cpp1
-rw-r--r--src/mapgen_fractal.cpp1
-rw-r--r--src/mapgen_v5.cpp1
-rw-r--r--src/mapgen_v7.cpp1
-rw-r--r--src/mapgen_valleys.cpp5
6 files changed, 18 insertions, 11 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 66892a574..576fb219a 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -524,6 +524,10 @@ MapgenBasic::~MapgenBasic()
MgStoneType MapgenBasic::generateBiomes()
{
+ // can't generate biomes without a biome generator!
+ assert(biomegen);
+ assert(biomemap);
+
v3s16 em = vm->m_area.getExtent();
u32 index = 0;
MgStoneType stone_type = MGSTONE_STONE;
@@ -546,6 +550,8 @@ MgStoneType MapgenBasic::generateBiomes()
bool river_water_above = c_above == c_river_water_source;
bool water_above = c_above == c_water_source || river_water_above;
+ biomemap[index] = BIOME_NONE;
+
// If there is air or water above enable top/filler placement, otherwise force
// nplaced to stone level by setting a number exceeding any possible filler depth.
u16 nplaced = (air_above || water_above) ? 0 : U16_MAX;
@@ -560,11 +566,19 @@ MgStoneType MapgenBasic::generateBiomes()
// 1. At the surface of stone below air or water.
// 2. At the surface of water below air.
// 3. When stone or water is detected but biome has not yet been calculated.
- if ((c == c_stone && (air_above || water_above || !biome))
- || ((c == c_water_source || c == c_river_water_source)
- && (air_above || !biome))) {
+ bool is_stone_surface = (c == c_stone) &&
+ (air_above || water_above || !biome);
+
+ bool is_water_surface =
+ (c == c_water_source || c == c_river_water_source) &&
+ (air_above || !biome);
+
+ if (is_stone_surface || is_water_surface) {
biome = biomegen->getBiomeAtIndex(index, y);
+ if (biomemap[index] == BIOME_NONE && is_stone_surface)
+ biomemap[index] = biome->index;
+
depth_top = biome->depth_top;
base_filler = MYMAX(depth_top +
biome->depth_filler +
diff --git a/src/mapgen_flat.cpp b/src/mapgen_flat.cpp
index 724f06825..7cc6aad5c 100644
--- a/src/mapgen_flat.cpp
+++ b/src/mapgen_flat.cpp
@@ -192,7 +192,6 @@ void MapgenFlat::makeChunk(BlockMakeData *data)
// Init biome generator, place biome-specific nodes, and build biomemap
biomegen->calcBiomeNoise(node_min);
- biomegen->getBiomes(heightmap);
MgStoneType stone_type = generateBiomes();
if (flags & MG_CAVES)
diff --git a/src/mapgen_fractal.cpp b/src/mapgen_fractal.cpp
index b613bf358..c47a7bfdc 100644
--- a/src/mapgen_fractal.cpp
+++ b/src/mapgen_fractal.cpp
@@ -208,7 +208,6 @@ void MapgenFractal::makeChunk(BlockMakeData *data)
// Init biome generator, place biome-specific nodes, and build biomemap
biomegen->calcBiomeNoise(node_min);
- biomegen->getBiomes(heightmap);
MgStoneType stone_type = generateBiomes();
if (flags & MG_CAVES)
diff --git a/src/mapgen_v5.cpp b/src/mapgen_v5.cpp
index 3e10ec2a5..74d5e1ee3 100644
--- a/src/mapgen_v5.cpp
+++ b/src/mapgen_v5.cpp
@@ -190,7 +190,6 @@ void MapgenV5::makeChunk(BlockMakeData *data)
// Init biome generator, place biome-specific nodes, and build biomemap
biomegen->calcBiomeNoise(node_min);
- biomegen->getBiomes(heightmap);
MgStoneType stone_type = generateBiomes();
// Generate caves
diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp
index 7327facae..35dcdcd94 100644
--- a/src/mapgen_v7.cpp
+++ b/src/mapgen_v7.cpp
@@ -219,7 +219,6 @@ void MapgenV7::makeChunk(BlockMakeData *data)
// Init biome generator, place biome-specific nodes, and build biomemap
biomegen->calcBiomeNoise(node_min);
- biomegen->getBiomes(heightmap);
MgStoneType stone_type = generateBiomes();
if (flags & MG_CAVES)
diff --git a/src/mapgen_valleys.cpp b/src/mapgen_valleys.cpp
index 6581b792f..bbf20719d 100644
--- a/src/mapgen_valleys.cpp
+++ b/src/mapgen_valleys.cpp
@@ -250,10 +250,7 @@ void MapgenValleys::makeChunk(BlockMakeData *data)
// Generate base terrain with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
- // Build biomemap
- m_bgen->getBiomes(heightmap);
-
- // Place biome-specific nodes
+ // Place biome-specific nodes and build biomemap
MgStoneType stone_type = generateBiomes();
// Cave creation.