#include "content_sao.h"
#include "nodedef.h"
#include "voxelalgorithms.h"
-#include "profiler.h"
#include "settings.h" // For g_settings
#include "emerge.h"
#include "dungeongen.h"
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
+ this->heatmap = NULL;
+ this->humidmap = NULL;
MapgenV5Params *sp = (MapgenV5Params *)params->sparams;
this->spflags = sp->spflags;
noise_height = new Noise(&sp->np_height, seed, csize.X, csize.Z);
// 3D terrain noise
- noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z);
- noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z);
- noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
+ noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z);
+ noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z);
+ noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
// Biome noise
- noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
- noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
+ noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
+ noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
+ noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z);
+ noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
delete noise_heat;
delete noise_humidity;
+ delete noise_heat_blend;
+ delete noise_humidity_blend;
delete[] heightmap;
delete[] biomemap;
noise_cave2->perlinMap3D(x, y, z);
}
- if (node_max.Y >= BIOMEGEN_BASE_V5) {
- noise_filler_depth->perlinMap2D(x, z);
- noise_heat->perlinMap2D(x, z);
- noise_humidity->perlinMap2D(x, z);
+ noise_filler_depth->perlinMap2D(x, z);
+ noise_heat->perlinMap2D(x, z);
+ noise_humidity->perlinMap2D(x, z);
+ noise_heat_blend->perlinMap2D(x, z);
+ noise_humidity_blend->perlinMap2D(x, z);
+
+ for (s32 i = 0; i < csize.X * csize.Z; i++) {
+ noise_heat->result[i] += noise_heat_blend->result[i];
+ noise_humidity->result[i] += noise_humidity_blend->result[i];
}
+ heatmap = noise_heat->result;
+ humidmap = noise_humidity->result;
//printf("calculateNoise: %dus\n", t.stop());
}
MgStoneType MapgenV5::generateBiomes(float *heat_map, float *humidity_map)
{
- if (node_max.Y < BIOMEGEN_BASE_V5)
- return STONE;
-
v3s16 em = vm->m_area.getExtent();
u32 index = 0;
MgStoneType stone_type = STONE;
// generated mapchunk or if not, a node of overgenerated base terrain.
content_t c_above = vm->m_data[vi + em.X].getContent();
bool air_above = c_above == CONTENT_AIR;
+ bool water_above = c_above == c_water_source;
- // If there is air above enable top/filler placement, otherwise force nplaced to
- // stone level by setting a number that will exceed any possible filler depth.
- u16 nplaced = (air_above) ? 0 : (u16)-1;
+ // 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)-1;
for (s16 y = node_max.Y; y >= node_min.Y; y--) {
content_t c = vm->m_data[vi].getContent();
- // Biome is only (re)calculated for each stone/water upper surface found
- // below air while working downwards. The chosen biome then remains in
- // effect for all nodes below until the next biome recalculation.
- // Biome is (re)calculated when a stone/water node is either: detected
- // below an air node, or, is at column top and might be underground
- // or underwater and therefore might not be below air.
- if (c != CONTENT_AIR && (y == node_max.Y || air_above)) {
+ // Biome is recalculated each time an upper surface is detected while
+ // working down a column. The selected biome then remains in effect for
+ // all nodes below until the next surface and biome recalculation.
+ // Biome is recalculated:
+ // 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 && (air_above || !biome))) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
depth_top = biome->depth_top;
base_filler = MYMAX(depth_top + biome->depth_filler
}
air_above = false;
+ water_above = false;
} else if (c == c_water_source) {
vm->m_data[vi] = MapNode((y > (s32)(water_level - depth_water_top)) ?
biome->c_water_top : biome->c_water);
nplaced = 0; // Enable top/filler placement for next surface
- air_above = false; // Biome is not recalculated underwater
+ air_above = false;
+ water_above = true;
} else if (c == CONTENT_AIR) {
nplaced = 0; // Enable top/filler placement for next surface
- air_above = true; // Biome will be recalculated at next surface
+ air_above = true;
+ water_above = false;
} else { // Possible various nodes overgenerated from neighbouring mapchunks
nplaced = (u16)-1; // Disable top/filler placement
air_above = false;
+ water_above = false;
}
vm->m_area.add_y(em, vi, -1);
void MapgenV5::generateCaves(int max_stone_y)
{
- u32 index = 0;
- u32 index2d = 0;
+ if (max_stone_y >= node_min.Y) {
+ u32 index = 0;
- for (s16 z=node_min.Z; z<=node_max.Z; z++) {
- for (s16 y=node_min.Y - 1; y<=node_max.Y + 1; y++) {
+ for (s16 z = node_min.Z; z <= node_max.Z; z++)
+ for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) {
u32 i = vm->m_area.index(node_min.X, y, z);
- for (s16 x=node_min.X; x<=node_max.X; x++, i++, index++, index2d++) {
+ for (s16 x = node_min.X; x <= node_max.X; x++, i++, index++) {
float d1 = contour(noise_cave1->result[index]);
float d2 = contour(noise_cave2->result[index]);
if (d1*d2 > 0.125) {
- Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]);
content_t c = vm->m_data[i].getContent();
- if (!ndef->get(c).is_ground_content || c == CONTENT_AIR ||
- (y <= water_level &&
- c != biome->c_stone &&
- c != c_stone))
+ if (!ndef->get(c).is_ground_content || c == CONTENT_AIR)
continue;
vm->m_data[i] = MapNode(CONTENT_AIR);
}
}
- index2d -= ystride;
}
- index2d += ystride;
}
if (node_max.Y > LARGE_CAVE_DEPTH)