void MapgenV6::makeChunk(BlockMakeData *data)
{
// Pre-conditions
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
// Hack: use minimum block coords for old code that assumes a single block
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
// Area of central chunk
node_min = blockpos_min * MAP_BLOCKSIZE;
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
// Full allocated area
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
central_area_size = node_max - node_min + v3s16(1, 1, 1);
assert(central_area_size.X == central_area_size.Z);
int volume_blocks = (blockpos_max.X - blockpos_min.X + 1)
* (blockpos_max.Y - blockpos_min.Y + 1)
* (blockpos_max.Z - blockpos_max.Z + 1);
volume_nodes = volume_blocks *
MAP_BLOCKSIZE * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
// Create a block-specific seed
blockseed = get_blockseed(data->seed, full_node_min);
// Make some noise
calculateNoise();
// Maximum height of the stone surface and obstacles.
// This is used to guide the cave generation
s16 stone_surface_max_y;
// Generate general ground level to full area
stone_surface_max_y = generateGround();
generateExperimental();
// Create initial heightmap to limit caves
updateHeightmap(node_min, node_max);
const s16 max_spread_amount = MAP_BLOCKSIZE;
// Limit dirt flow area by 1 because mud is flown into neighbors.
s16 mudflow_minpos = -max_spread_amount + 1;
s16 mudflow_maxpos = central_area_size.X + max_spread_amount - 2;
// Loop this part, it will make stuff look older and newer nicely
const u32 age_loops = 2;
for (u32 i_age = 0; i_age < age_loops; i_age++) { // Aging loop
// Make caves (this code is relatively horrible)
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
// Add mud to the central chunk
addMud();
// Flow mud away from steep edges
if (spflags & MGV6_MUDFLOW)
flowMud(mudflow_minpos, mudflow_maxpos);
}
// Update heightmap after mudflow
updateHeightmap(node_min, node_max);
// Add dungeons
if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
DungeonParams dp;
dp.np_rarity = nparams_dungeon_rarity;
dp.np_density = nparams_dungeon_density;
dp.np_wetness = nparams_dungeon_wetness;
dp.c_water = c_water_source;
if (getBiome(0, node_min) == BT_DESERT) {
dp.c_cobble = c_desert_stone;
dp.c_moss = c_desert_stone;
dp.c_stair = c_desert_stone;
dp.diagonal_dirs = true;
dp.mossratio = 0.0;
dp.holesize = v3s16(2, 3, 2);
dp.roomsize = v3s16(2, 5, 2);
dp.notifytype = GENNOTIFY_TEMPLE;
} else {
dp.c_cobble = c_cobble;
dp.c_moss = c_mossycobble;
dp.c_stair = c_stair_cobble;
dp.diagonal_dirs = false;
dp.mossratio = 3.0;
dp.holesize = v3s16(1, 2, 1);
dp.roomsize = v3s16(0, 0, 0);
dp.notifytype = GENNOTIFY_DUNGEON;
}
DungeonGen dgen(this, &dp);
dgen.generate(blockseed, full_node_min, full_node_max);
}
// Add top and bottom side of water to transforming_liquid queue
updateLiquid(full_node_min, full_node_max);
// Add surface nodes
growGrass();
// Generate some trees, and add grass, if a jungle
if (flags & MG_TREES)
placeTreesAndJungleGrass();
// Generate the registered decorations
m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
// Generate the registered ores
m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
// Calculate lighting
if (flags & MG_LIGHT)
calcLighting(node_min, node_max);
this->generating = false;
}
void MapgenV7::makeChunk(BlockMakeData *data)
{
// Pre-conditions
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
//TimeTaker t("makeChunk");
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
node_min = blockpos_min * MAP_BLOCKSIZE;
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
blockseed = getBlockSeed2(full_node_min, seed);
// Make some noise
calculateNoise();
// Generate base terrain, mountains, and ridges with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
// Create heightmap
updateHeightmap(node_min, node_max);
// Create biomemap at heightmap surface
bmgr->calcBiomes(csize.X, csize.Z, noise_heat->result,
noise_humidity->result, heightmap, biomemap);
// Actually place the biome-specific nodes
MgStoneType stone_type = generateBiomes(noise_heat->result, noise_humidity->result);
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
DungeonParams dp;
dp.np_rarity = nparams_dungeon_rarity;
dp.np_density = nparams_dungeon_density;
dp.np_wetness = nparams_dungeon_wetness;
dp.c_water = c_water_source;
if (stone_type == STONE) {
dp.c_cobble = c_cobble;
dp.c_moss = c_mossycobble;
dp.c_stair = c_stair_cobble;
dp.diagonal_dirs = false;
dp.mossratio = 3.0;
dp.holesize = v3s16(1, 2, 1);
dp.roomsize = v3s16(0, 0, 0);
dp.notifytype = GENNOTIFY_DUNGEON;
} else if (stone_type == DESERT_STONE) {
dp.c_cobble = c_desert_stone;
dp.c_moss = c_desert_stone;
dp.c_stair = c_desert_stone;
dp.diagonal_dirs = true;
dp.mossratio = 0.0;
dp.holesize = v3s16(2, 3, 2);
dp.roomsize = v3s16(2, 5, 2);
dp.notifytype = GENNOTIFY_TEMPLE;
} else if (stone_type == SANDSTONE) {
dp.c_cobble = c_sandstonebrick;
dp.c_moss = c_sandstonebrick;
dp.c_stair = c_sandstonebrick;
dp.diagonal_dirs = false;
dp.mossratio = 0.0;
dp.holesize = v3s16(2, 2, 2);
dp.roomsize = v3s16(2, 0, 2);
dp.notifytype = GENNOTIFY_DUNGEON;
}
DungeonGen dgen(this, &dp);
dgen.generate(blockseed, full_node_min, full_node_max);
}
// Generate the registered decorations
m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
// Generate the registered ores
m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
// Sprinkle some dust on top after everything else was generated
dustTopNodes();
//printf("makeChunk: %dms\n", t.stop());
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
if (flags & MG_LIGHT)
calcLighting(node_min - v3s16(0, 1, 0), node_max + v3s16(0, 1, 0),
full_node_min, full_node_max);
//setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
// node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF);
this->generating = false;
}
void MapgenV7::makeChunk(BlockMakeData *data)
{
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
//TimeTaker t("makeChunk");
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
node_min = blockpos_min * MAP_BLOCKSIZE;
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
blockseed = getBlockSeed2(full_node_min, seed);
// Make some noise
calculateNoise();
// Generate base terrain, mountains, and ridges with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
updateHeightmap(node_min, node_max);
// Calculate biomes
bmgr->calcBiomes(csize.X, csize.Z, noise_heat->result,
noise_humidity->result, heightmap, biomemap);
// Actually place the biome-specific nodes and what not
generateBiomes();
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
DungeonGen dgen(this, NULL);
dgen.generate(blockseed, full_node_min, full_node_max);
}
// Generate the registered decorations
m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
// Generate the registered ores
m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
// Sprinkle some dust on top after everything else was generated
dustTopNodes();
//printf("makeChunk: %dms\n", t.stop());
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
if (flags & MG_LIGHT)
calcLighting(node_min, node_max);
//setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
// node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF);
this->generating = false;
}
void MapgenV5::actuallyGenerate()
{
ManualMapVoxelManipulator &vmanip = *vm;
v2s16 p2d_center(node_min.X+MAP_BLOCKSIZE/2, node_min.Z+MAP_BLOCKSIZE/2);
/*
Get average ground level from noise
*/
s16 minimum_groundlevel = (s16)get_sector_minimum_ground_level(
seed, node_min, node_max);
// Minimum amount of ground above the top of the central block
s16 minimum_ground_depth = minimum_groundlevel - node_max.Y;
s16 maximum_groundlevel = (s16)get_sector_maximum_ground_level(
seed, node_min, node_max, 1);
// Maximum amount of ground above the bottom of the central block
s16 maximum_ground_depth = maximum_groundlevel - node_min.Y;
#if 0
/*
Special case for high air or water: Just fill with air and water.
*/
if(maximum_ground_depth < -20)
{
for(s16 x=node_min.X; x<=node_max.X; x++)
for(s16 z=node_min.Z; z<=node_max.Z; z++)
{
// Node position
v2s16 p2d(x,z);
{
// Use fast index incrementing
v3s16 em = vmanip.m_area.getExtent();
u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y));
for(s16 y=node_min.Y; y<=node_max.Y; y++)
{
// Only modify places that have no content
if(vmanip.m_data[i].getContent() == CONTENT_IGNORE)
{
if(y <= WATER_LEVEL)
vmanip.m_data[i] = MapNode(c_water_source);
else
vmanip.m_data[i] = MapNode(CONTENT_AIR);
}
vmanip.m_area.add_y(em, i, 1);
}
}
}
// We're done
return;
}
#endif
/*
If block is deep underground, this is set to true and ground
density noise is not generated, for speed optimization.
*/
bool all_is_ground_except_caves = (minimum_ground_depth > 40);
/*
Create a block-specific seed
*/
u32 blockseed = (u32)(seed%0x100000000ULL) + full_node_min.Z*38134234
+ full_node_min.Y*42123 + full_node_min.X*23;
/*
Make some 3D noise
*/
//OldNoiseBuffer noisebuf1;
//OldNoiseBuffer noisebuf2;
OldNoiseBuffer noisebuf_cave;
OldNoiseBuffer noisebuf_ground;
OldNoiseBuffer noisebuf_ground_crumbleness;
OldNoiseBuffer noisebuf_ground_wetness;
{
v3f minpos_f(node_min.X, node_min.Y, node_min.Z);
v3f maxpos_f(node_max.X, node_max.Y, node_max.Z);
//TimeTaker timer("noisebuf.create");
/*
Cave noise
*/
#if 1
noisebuf_cave.create(get_cave_noise1_params(seed),
minpos_f.X, minpos_f.Y, minpos_f.Z,
maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
2, 2, 2);
noisebuf_cave.multiply(get_cave_noise2_params(seed));
#endif
/*
Ground noise
*/
// Sample length
v3f sl = v3f(4.0, 4.0, 4.0);
/*
Density noise
*/
if(all_is_ground_except_caves == false)
//noisebuf_ground.create(seed+983240, 6, 0.60, false,
noisebuf_ground.create(get_ground_noise1_params(seed),
minpos_f.X, minpos_f.Y, minpos_f.Z,
maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
sl.X, sl.Y, sl.Z);
/*
Ground property noise
*/
sl = v3f(2.5, 2.5, 2.5);
noisebuf_ground_crumbleness.create(
get_ground_crumbleness_params(seed),
minpos_f.X, minpos_f.Y, minpos_f.Z,
maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z,
sl.X, sl.Y, sl.Z);
noisebuf_ground_wetness.create(
get_ground_wetness_params(seed),
minpos_f.X, minpos_f.Y, minpos_f.Z,
maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z,
sl.X, sl.Y, sl.Z);
}
/*
Make base ground level
*/
for(s16 x=node_min.X; x<=node_max.X; x++)
for(s16 z=node_min.Z; z<=node_max.Z; z++)
{
// Node position
v2s16 p2d(x,z);
{
// Use fast index incrementing
v3s16 em = vmanip.m_area.getExtent();
u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y));
for(s16 y=node_min.Y; y<=node_max.Y; y++)
{
// Only modify places that have no content
if(vmanip.m_data[i].getContent() == CONTENT_IGNORE)
{
// First priority: make air and water.
// This avoids caves inside water.
if(all_is_ground_except_caves == false
&& val_is_ground(noisebuf_ground.get(x,y,z),
v3s16(x,y,z), seed) == false)
{
if(y <= WATER_LEVEL)
vmanip.m_data[i] = MapNode(c_water_source);
else
vmanip.m_data[i] = MapNode(CONTENT_AIR);
}
else if(noisebuf_cave.get(x,y,z) > CAVE_NOISE_THRESHOLD)
vmanip.m_data[i] = MapNode(CONTENT_AIR);
else
vmanip.m_data[i] = MapNode(c_stone);
}
vmanip.m_area.add_y(em, i, 1);
}
}
}
/*
Add mud and sand and others underground (in place of stone)
*/
for(s16 x=node_min.X; x<=node_max.X; x++)
for(s16 z=node_min.Z; z<=node_max.Z; z++)
{
// Node position
v2s16 p2d(x,z);
{
// Use fast index incrementing
v3s16 em = vmanip.m_area.getExtent();
u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y));
for(s16 y=node_max.Y; y>=node_min.Y; y--)
{
if(vmanip.m_data[i].getContent() == c_stone)
{
if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3)
{
if(noisebuf_ground_wetness.get(x,y,z) > 0.0)
vmanip.m_data[i] = MapNode(c_dirt);
else
vmanip.m_data[i] = MapNode(c_sand);
}
else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.7)
{
if(noisebuf_ground_wetness.get(x,y,z) < -0.6)
vmanip.m_data[i] = MapNode(c_gravel);
}
else if(noisebuf_ground_crumbleness.get(x,y,z) <
-3.0 + MYMIN(0.1 * sqrt((float)MYMAX(0, -y)), 1.5))
{
vmanip.m_data[i] = MapNode(c_lava_source);
// TODO: Is this needed?
/*for(s16 x1=-1; x1<=1; x1++)
for(s16 y1=-1; y1<=1; y1++)
for(s16 z1=-1; z1<=1; z1++)
data->transforming_liquid.push_back(
v3s16(p2d.X+x1, y+y1, p2d.Y+z1));*/
}
}
vmanip.m_area.add_y(em, i, -1);
}
}
}
// Add dungeons
{
DungeonParams dp;
dp.np_rarity = nparams_dungeon_rarity;
dp.np_density = nparams_dungeon_density;
dp.np_wetness = nparams_dungeon_wetness;
dp.c_water = c_water_source;
// TODO
//if (getBiome(0, v2s16(node_min.X, node_min.Z)) == BT_NORMAL) {
if (1) {
dp.c_cobble = c_cobble;
dp.c_moss = c_mossycobble;
dp.c_stair = c_stair_cobble;
dp.diagonal_dirs = false;
dp.mossratio = 3.0;
dp.holesize = v3s16(1, 2, 1);
dp.roomsize = v3s16(0, 0, 0);
dp.notifytype = GENNOTIFY_DUNGEON;
} /*else {
dp.c_cobble = c_sandbrick;
dp.c_moss = c_sandbrick; // should make this 'cracked sandstone' later
dp.c_stair = c_stair_sandstone;
dp.diagonal_dirs = true;
dp.mossratio = 0.0;
dp.holesize = v3s16(2, 3, 2);
dp.roomsize = v3s16(2, 5, 2);
dp.notifytype = GENNOTIFY_TEMPLE;
}*/
DungeonGen dgen(this, &dp);
dgen.generate(blockseed, full_node_min, full_node_max);
}
/*
If close to ground level
*/
//if(abs(approx_ground_depth) < 30)
if(minimum_ground_depth < 5 && maximum_ground_depth > -5)
{
/*
Add grass and mud
*/
for(s16 x=node_min.X; x<=node_max.X; x++)
for(s16 z=node_min.Z; z<=node_max.Z; z++)
{
// Node position
v2s16 p2d(x,z);
{
bool possibly_have_sand = get_have_sand(seed, p2d);
bool have_sand = false;
u32 current_depth = 0;
bool air_detected = false;
bool water_detected = false;
// Use fast index incrementing
s16 start_y = node_max.Y+2;
v3s16 em = vmanip.m_area.getExtent();
u32 i = vmanip.m_area.index(v3s16(p2d.X, start_y, p2d.Y));
for(s16 y=start_y; y>=node_min.Y-3; y--)
{
if(vmanip.m_data[i].getContent() == c_water_source)
water_detected = true;
if(vmanip.m_data[i].getContent() == CONTENT_AIR)
air_detected = true;
if((vmanip.m_data[i].getContent() == c_stone
|| vmanip.m_data[i].getContent() == c_dirt_with_grass
|| vmanip.m_data[i].getContent() == c_dirt
|| vmanip.m_data[i].getContent() == c_sand
|| vmanip.m_data[i].getContent() == c_gravel
) && (air_detected || water_detected))
{
if(current_depth == 0 && y <= WATER_LEVEL+2
&& possibly_have_sand)
have_sand = true;
if(current_depth < 4)
{
if(have_sand)
vmanip.m_data[i] = MapNode(c_sand);
#if 1
else if(current_depth==0 && !water_detected
&& y >= WATER_LEVEL && air_detected)
vmanip.m_data[i] = MapNode(c_dirt_with_grass);
#endif
else
vmanip.m_data[i] = MapNode(c_dirt);
}
else
{
if(vmanip.m_data[i].getContent() == c_dirt
|| vmanip.m_data[i].getContent() == c_dirt_with_grass)
vmanip.m_data[i] = MapNode(c_stone);
}
current_depth++;
if(current_depth >= 8)
break;
}
else if(current_depth != 0)
break;
vmanip.m_area.add_y(em, i, -1);
}
}
}
}
}
void MapgenV7::makeChunk(BlockMakeData *data) {
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
//TimeTaker t("makeChunk");
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
node_min = blockpos_min * MAP_BLOCKSIZE;
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
blockseed = emerge->getBlockSeed(full_node_min); //////use getBlockSeed2()!
// Make some noise
calculateNoise();
// Generate base terrain, mountains, and ridges with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
updateHeightmap(node_min, node_max);
// Calculate biomes
BiomeNoiseInput binput;
binput.mapsize = v2s16(csize.X, csize.Z);
binput.heat_map = noise_heat->result;
binput.humidity_map = noise_humidity->result;
binput.height_map = heightmap;
bmgr->calcBiomes(&binput, biomemap);
// Actually place the biome-specific nodes and what not
generateBiomes();
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
if (flags & MG_DUNGEONS) {
DungeonGen dgen(this, NULL);
dgen.generate(blockseed, full_node_min, full_node_max);
}
for (size_t i = 0; i != emerge->decorations.size(); i++) {
Decoration *deco = emerge->decorations[i];
deco->placeDeco(this, blockseed + i, node_min, node_max);
}
for (size_t i = 0; i != emerge->ores.size(); i++) {
Ore *ore = emerge->ores[i];
ore->placeOre(this, blockseed + i, node_min, node_max);
}
// Sprinkle some dust on top after everything else was generated
dustTopNodes();
//printf("makeChunk: %dms\n", t.stop());
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
if (flags & MG_LIGHT)
calcLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
//setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
// node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF);
this->generating = false;
}
void MapgenV6::makeChunk(BlockMakeData *data) {
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
// Hack: use minimum block coords for old code that assumes a single block
v3s16 blockpos = data->blockpos_requested;
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
// Area of central chunk
node_min = blockpos_min*MAP_BLOCKSIZE;
node_max = (blockpos_max+v3s16(1,1,1))*MAP_BLOCKSIZE-v3s16(1,1,1);
// Full allocated area
full_node_min = (blockpos_min-1)*MAP_BLOCKSIZE;
full_node_max = (blockpos_max+2)*MAP_BLOCKSIZE-v3s16(1,1,1);
central_area_size = node_max - node_min + v3s16(1,1,1);
assert(central_area_size.X == central_area_size.Z);
int volume_blocks = (blockpos_max.X - blockpos_min.X + 1)
* (blockpos_max.Y - blockpos_min.Y + 1)
* (blockpos_max.Z - blockpos_max.Z + 1);
volume_nodes = volume_blocks *
MAP_BLOCKSIZE * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
// Create a block-specific seed
blockseed = get_blockseed(data->seed, full_node_min);
// Make some noise
calculateNoise();
c_stone = ndef->getId("mapgen_stone");
c_dirt = ndef->getId("mapgen_dirt");
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
c_dirt_with_snow = ndef->getId("mapgen_dirt_with_snow");
c_sand = ndef->getId("mapgen_sand");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
c_gravel = ndef->getId("mapgen_gravel");
c_cobble = ndef->getId("mapgen_cobble");
c_desert_sand = ndef->getId("mapgen_desert_sand");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_ice = ndef->getId("mapgen_ice");
if (c_desert_sand == CONTENT_IGNORE)
c_desert_sand = c_sand;
if (c_desert_stone == CONTENT_IGNORE)
c_desert_stone = c_stone;
// Maximum height of the stone surface and obstacles.
// This is used to guide the cave generation
s16 stone_surface_max_y;
// Generate general ground level to full area
stone_surface_max_y = generateGround();
generateExperimental();
const s16 max_spread_amount = MAP_BLOCKSIZE;
// Limit dirt flow area by 1 because mud is flown into neighbors.
s16 mudflow_minpos = -max_spread_amount + 1;
s16 mudflow_maxpos = central_area_size.X + max_spread_amount - 2;
// Loop this part, it will make stuff look older and newer nicely
const u32 age_loops = 2;
for (u32 i_age = 0; i_age < age_loops; i_age++) { // Aging loop
// Make caves (this code is relatively horrible)
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
// Add mud to the central chunk
addMud();
// Add blobs of dirt and gravel underground
addDirtGravelBlobs();
// Flow mud away from steep edges
flowMud(mudflow_minpos, mudflow_maxpos);
}
// Add dungeons
if (flags & MG_DUNGEONS) {
DungeonGen dgen(ndef, data->seed, water_level);
dgen.generate(vm, blockseed, full_node_min, full_node_max);
}
// Add top and bottom side of water to transforming_liquid queue
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
// Grow grass
growGrass();
// Generate some trees, and add grass, if a jungle
if (flags & MG_TREES)
placeTreesAndJungleGrass();
// Generate the registered decorations
for (unsigned int i = 0; i != emerge->decorations.size(); i++) {
Decoration *deco = emerge->decorations[i];
deco->placeDeco(this, blockseed + i, node_min, node_max);
}
// Generate the registered ores
for (unsigned int i = 0; i != emerge->ores.size(); i++) {
Ore *ore = emerge->ores[i];
ore->placeOre(this, blockseed + i, node_min, node_max);
}
// Calculate lighting
if (!(flags & MG_NOLIGHT))
calcLighting(node_min - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
this->generating = false;
}
void MapgenV7::makeChunk(BlockMakeData *data) {
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
data->blockpos_requested.Y >= data->blockpos_min.Y &&
data->blockpos_requested.Z >= data->blockpos_min.Z);
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
data->blockpos_requested.Y <= data->blockpos_max.Y &&
data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
//TimeTaker t("makeChunk");
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
v3s16 blockpos_full_min = blockpos_min - v3s16(1, 1, 1);
v3s16 blockpos_full_max = blockpos_max + v3s16(1, 1, 1);
node_min = blockpos_min * MAP_BLOCKSIZE;
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
blockseed = emerge->getBlockSeed(full_node_min); //////use getBlockSeed2()!
// Make some noise
calculateNoise();
// Calculate height map
s16 stone_surface_max_y = calcHeightMap();
// Calculate biomes
BiomeNoiseInput binput;
binput.mapsize = v2s16(csize.X, csize.Z);
binput.heat_map = noise_heat->result;
binput.humidity_map = noise_humidity->result;
binput.height_map = heightmap;
bmgr->calcBiomes(&binput, biomemap);
c_stone = ndef->getId("mapgen_stone");
c_dirt = ndef->getId("mapgen_dirt");
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
c_sand = ndef->getId("mapgen_sand");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
generateTerrain();
carveRidges();
generateCaves(stone_surface_max_y);
addTopNodes();
//v3s16 central_area_size = node_max - node_min + v3s16(1,1,1);
if (flags & MG_DUNGEONS) {
DungeonGen dgen(ndef, data->seed, water_level);
dgen.generate(vm, blockseed, full_node_min, full_node_max);
}
for (size_t i = 0; i != emerge->ores.size(); i++) {
Ore *ore = emerge->ores[i];
ore->placeOre(this, blockseed + i, node_min, node_max);
}
//printf("makeChunk: %dms\n", t.stop());
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
calcLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
//setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
// node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF);
this->generating = false;
}
