oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Readded and optimized mapgen V6

Browse source
This commit is contained in:
kwolekr 2012-12-22 00:34:35 -05:00 • committed by Perttu Ahola
parent bddd5f2b98
commit d5029958b9
12 changed files with 1720 additions and 204 deletions
Download patch file Download diff file Expand all files Collapse all files

61
src/biome.cpp
View file

@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "biome.h"
#include "nodedef.h"
#include "map.h" //for ManualMapVoxelManipulator
#include "log.h"
#include "main.h"
#define BT_NONE 0
@ -64,15 +65,15 @@ int bg4_biomes[] = {BT_HILLS, BT_EXTREMEHILLS, BT_MOUNTAINS, BT_DESERT, BT_DESE
float bg5_temps[] = {5.0, 40.0};
int bg5_biomes[] = {BT_LAKE, BT_PLAINS, BT_DESERT};*/
NoiseParams np_default = {0.0, 20.0, v3f(250., 250., 250.), 82341, 5, 0.6};
NoiseParams np_default = {20.0, 15.0, v3f(250., 250., 250.), 82341, 5, 0.6};
BiomeDefManager::BiomeDefManager(IGameDef *gamedef) {
this->m_gamedef = gamedef;
this->ndef = gamedef->ndef();
bgroups.push_back(new std::vector<Biome *>); //the initial biome group
//addDefaultBiomes(); //can't do this in the ctor, too early
//the initial biome group
bgroups.push_back(new std::vector<Biome *>);
}
@ -106,20 +107,26 @@ void BiomeDefManager::addBiomeGroup(float freq) {
newfreq += bgroup_freqs[size - 1];
bgroup_freqs.push_back(newfreq);
bgroups.push_back(new std::vector<Biome *>);
printf("added biome with freq %f\n", newfreq);
verbosestream << "BiomeDefManager: added biome group with frequency " <<
newfreq << std::endl;
}
void BiomeDefManager::addBiome(int groupid, Biome *b) {
void BiomeDefManager::addBiome(Biome *b) {
std::vector<Biome *> *bgroup;
if (groupid >= bgroups.size()) {
printf("blahblahblah");
if (b->groupid >= bgroups.size()) {
errorstream << "BiomeDefManager: attempted to add biome '" << b->name
<< "' to nonexistent biome group " << b->groupid << std::endl;
return;
}
bgroup = bgroups[groupid];
bgroup = bgroups[b->groupid];
bgroup->push_back(b);
verbosestream << "BiomeDefManager: added biome '" << b->name <<
"' to biome group " << b->groupid << std::endl;
}
@ -156,7 +163,7 @@ Biome *BiomeDefManager::getBiome(float bgfreq, float heat, float humidity) {
int nbiomes = bgroup->size();
for (i = 0; i != nbiomes; i++) {
b = bgroup->operator[](i);///////////////////////////
b = bgroup->operator[](i);
if (heat >= b->heat_min && heat <= b->heat_max &&
humidity >= b->humidity_min && humidity <= b->humidity_max)
return b;
@ -174,9 +181,24 @@ int Biome::getSurfaceHeight(float noise_terrain) {
}
void Biome::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
void Biome::genColumn(MapgenV7 *mg, int x, int z, int y1, int y2) {
int i = (z - mg->node_min.Z) * mg->csize.Z + (x - mg->node_min.X);
int surfaceh = np->offset + np->scale * mg->map_terrain[i];
/*///experimental
if (groupid > 0) {
float prevfreq = mg->biomedef->bgroup_freqs[groupid - 1];
float range = mg->biomedef->bgroup_freqs[groupid] - prevfreq;
float factor = (mg->map_bgroup[i] - prevfreq) / range;
std::vector<Biome *> *bg = mg->biomedef->bgroups[groupid - 1];
Biome *b = (*bg)[0];
int h1 = b->np->offset + b->np->scale * mg->map_terrain[i];
surfaceh += (int)round((surfaceh - h1) * factor);
//printf("h1: %d, surfaceh: %d, factor %f\n", h1, surfaceh, factor);
}*/
int y = y1;
i = mg->vmanip->m_area.index(x, y, z);
@ -189,12 +211,10 @@ void Biome::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
}
///////////////////////////// [ Ocean biome ] /////////////////////////////////
void BiomeLiquid::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
void BiomeLiquid::genColumn(MapgenV7 *mg, int x, int z, int y1, int y2) {
int i = (z - mg->node_min.Z) * mg->csize.Z + (x - mg->node_min.X);
int surfaceh = np->offset + np->scale * mg->map_terrain[i];
int y = y1;
@ -219,7 +239,7 @@ int BiomeHell::getSurfaceHeight(float noise_terrain) {
}
void BiomeHell::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
void BiomeHell::genColumn(MapgenV7 *mg, int x, int z, int y1, int y2) {
}
@ -232,7 +252,7 @@ int BiomeAether::getSurfaceHeight(float noise_terrain) {
}
void BiomeAether::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
void BiomeAether::genColumn(MapgenV7 *mg, int x, int z, int y1, int y2) {
}
@ -245,6 +265,15 @@ int BiomeSuperflat::getSurfaceHeight(float noise_terrain) {
}
void BiomeSuperflat::genColumn(Mapgen *mg, int x, int z, int y1, int y2) {
void BiomeSuperflat::genColumn(MapgenV7 *mg, int x, int z, int y1, int y2) {
int surfaceh = ntopnodes;
int y = y1;
int i = mg->vmanip->m_area.index(x, y, z);
for (; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride)
mg->vmanip->m_data[i] = n_filler;
for (; y <= surfaceh && y <= y2; y++, i += mg->ystride)
mg->vmanip->m_data[i] = n_top;
for (; y <= y2; y++, i += mg->ystride)
mg->vmanip->m_data[i] = mg->n_air;
}