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-rw-r--r--src/mapgen_v6.cpp78
1 files changed, 49 insertions, 29 deletions
diff --git a/src/mapgen_v6.cpp b/src/mapgen_v6.cpp
index 9e34aac2d..c389b2ed4 100644
--- a/src/mapgen_v6.cpp
+++ b/src/mapgen_v6.cpp
@@ -1,6 +1,6 @@
/*
Minetest
-Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2015 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@@ -17,6 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+
#include "mapgen.h"
#include "voxel.h"
#include "noise.h"
@@ -26,8 +27,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
//#include "serverobject.h"
#include "content_sao.h"
#include "nodedef.h"
-#include "content_mapnode.h" // For content_mapnode_get_new_name
#include "voxelalgorithms.h"
+//#include "profiler.h" // For TimeTaker
#include "settings.h" // For g_settings
#include "emerge.h"
#include "dungeongen.h"
@@ -37,15 +38,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "mg_decoration.h"
#include "mapgen_v6.h"
+
FlagDesc flagdesc_mapgen_v6[] = {
{"jungles", MGV6_JUNGLES},
{"biomeblend", MGV6_BIOMEBLEND},
{"mudflow", MGV6_MUDFLOW},
{"snowbiomes", MGV6_SNOWBIOMES},
+ {"flat", MGV6_FLAT},
+ {"trees", MGV6_TREES},
{NULL, 0}
};
-///////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
MapgenV6::MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge)
@@ -135,7 +140,9 @@ MapgenV6::~MapgenV6()
MapgenV6Params::MapgenV6Params()
{
- spflags = MGV6_BIOMEBLEND | MGV6_MUDFLOW;
+ spflags = MGV6_JUNGLES | MGV6_SNOWBIOMES | MGV6_TREES |
+ MGV6_BIOMEBLEND | MGV6_MUDFLOW;
+
freq_desert = 0.45;
freq_beach = 0.15;
@@ -175,7 +182,7 @@ void MapgenV6Params::readParams(const Settings *settings)
void MapgenV6Params::writeParams(Settings *settings) const
{
- settings->setFlagStr("mgv6_spflags", spflags, flagdesc_mapgen_v6, (u32)-1);
+ settings->setFlagStr("mgv6_spflags", spflags, flagdesc_mapgen_v6, U32_MAX);
settings->setFloat("mgv6_freq_desert", freq_desert);
settings->setFloat("mgv6_freq_beach", freq_beach);
@@ -195,7 +202,6 @@ void MapgenV6Params::writeParams(Settings *settings) const
//////////////////////// Some helper functions for the map generator
-
// Returns Y one under area minimum if not found
s16 MapgenV6::find_stone_level(v2s16 p2d)
{
@@ -263,7 +269,7 @@ float MapgenV6::baseTerrainLevel(float terrain_base, float terrain_higher,
float MapgenV6::baseTerrainLevelFromNoise(v2s16 p)
{
- if (flags & MG_FLAT)
+ if ((spflags & MGV6_FLAT) || (flags & MG_FLAT))
return water_level;
float terrain_base = NoisePerlin2D_PO(&noise_terrain_base->np,
@@ -289,7 +295,7 @@ float MapgenV6::baseTerrainLevelFromMap(v2s16 p)
float MapgenV6::baseTerrainLevelFromMap(int index)
{
- if (flags & MG_FLAT)
+ if ((spflags & MGV6_FLAT) || (flags & MG_FLAT))
return water_level;
float terrain_base = noise_terrain_base->result[index];
@@ -304,13 +310,24 @@ float MapgenV6::baseTerrainLevelFromMap(int index)
s16 MapgenV6::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision)
{
- return baseTerrainLevelFromNoise(p2d) + AVERAGE_MUD_AMOUNT;
+ return baseTerrainLevelFromNoise(p2d) + MGV6_AVERAGE_MUD_AMOUNT;
}
int MapgenV6::getGroundLevelAtPoint(v2s16 p)
{
- return baseTerrainLevelFromNoise(p) + AVERAGE_MUD_AMOUNT;
+ return baseTerrainLevelFromNoise(p) + MGV6_AVERAGE_MUD_AMOUNT;
+}
+
+
+int MapgenV6::getSpawnLevelAtPoint(v2s16 p)
+{
+ s16 level_at_point = baseTerrainLevelFromNoise(p) + MGV6_AVERAGE_MUD_AMOUNT;
+ if (level_at_point <= water_level ||
+ level_at_point > water_level + 16)
+ return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point
+ else
+ return level_at_point;
}
@@ -386,8 +403,8 @@ bool MapgenV6::getHaveAppleTree(v2s16 p)
float MapgenV6::getMudAmount(int index)
{
- if (flags & MG_FLAT)
- return AVERAGE_MUD_AMOUNT;
+ if ((spflags & MGV6_FLAT) || (flags & MG_FLAT))
+ return MGV6_AVERAGE_MUD_AMOUNT;
/*return ((float)AVERAGE_MUD_AMOUNT + 2.0 * noise2d_perlin(
0.5+(float)p.X/200, 0.5+(float)p.Y/200,
@@ -422,13 +439,13 @@ BiomeV6Type MapgenV6::getBiome(int index, v2s16 p)
if (spflags & MGV6_SNOWBIOMES) {
float blend = (spflags & MGV6_BIOMEBLEND) ? noise2d(p.X, p.Y, seed) / 40 : 0;
- if (d > FREQ_HOT + blend) {
- if (h > FREQ_JUNGLE + blend)
+ if (d > MGV6_FREQ_HOT + blend) {
+ if (h > MGV6_FREQ_JUNGLE + blend)
return BT_JUNGLE;
else
return BT_DESERT;
- } else if (d < FREQ_SNOW + blend) {
- if (h > FREQ_TAIGA + blend)
+ } else if (d < MGV6_FREQ_SNOW + blend) {
+ if (h > MGV6_FREQ_TAIGA + blend)
return BT_TAIGA;
else
return BT_TUNDRA;
@@ -466,11 +483,11 @@ 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);
+ 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);
+ data->blockpos_requested.Y <= data->blockpos_max.Y &&
+ data->blockpos_requested.Z <= data->blockpos_max.Z);
this->generating = true;
this->vm = data->vmanip;
@@ -579,18 +596,21 @@ void MapgenV6::makeChunk(BlockMakeData *data)
growGrass();
// Generate some trees, and add grass, if a jungle
- if (flags & MG_TREES)
+ if ((spflags & MGV6_TREES) || (flags & MG_TREES))
placeTreesAndJungleGrass();
// Generate the registered decorations
- m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
+ if (flags & MG_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);
+ calcLighting(node_min - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
+ node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE,
+ full_node_min, full_node_max);
this->generating = false;
}
@@ -603,7 +623,7 @@ void MapgenV6::calculateNoise()
int fx = full_node_min.X;
int fz = full_node_min.Z;
- if (!(flags & MG_FLAT)) {
+ if (!((spflags & MGV6_FLAT) || (flags & MG_FLAT))) {
noise_terrain_base->perlinMap2D_PO(x, 0.5, z, 0.5);
noise_terrain_higher->perlinMap2D_PO(x, 0.5, z, 0.5);
noise_steepness->perlinMap2D_PO(x, 0.5, z, 0.5);
@@ -646,11 +666,11 @@ int MapgenV6::generateGround()
for (s16 y = node_min.Y; y <= node_max.Y; y++) {
if (vm->m_data[i].getContent() == CONTENT_IGNORE) {
if (y <= surface_y) {
- vm->m_data[i] = (y >= DESERT_STONE_BASE
+ vm->m_data[i] = (y >= MGV6_DESERT_STONE_BASE
&& bt == BT_DESERT) ?
n_desert_stone : n_stone;
} else if (y <= water_level) {
- vm->m_data[i] = (y >= ICE_BASE
+ vm->m_data[i] = (y >= MGV6_ICE_BASE
&& bt == BT_TUNDRA) ?
n_ice : n_water_source;
} else {
@@ -803,7 +823,7 @@ void MapgenV6::flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos)
continue;
// Drop mud on side
- for(u32 di = 0; di < 4; di++) {
+ for (u32 di = 0; di < 4; di++) {
v3s16 dirp = dirs4[di];
u32 i2 = i;
// Move to side
@@ -828,7 +848,7 @@ void MapgenV6::flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos)
vm->m_area.add_y(em, i2, -1);
n2 = &vm->m_data[i2];
// if out of known area
- if(vm->m_area.contains(i2) == false ||
+ if (vm->m_area.contains(i2) == false ||
n2->getContent() == CONTENT_IGNORE) {
dropped_to_unknown = true;
break;
@@ -843,7 +863,7 @@ void MapgenV6::flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos)
if (!dropped_to_unknown) {
*n2 = *n;
// Set old place to be air (or water)
- if(old_is_water)
+ if (old_is_water)
*n = MapNode(c_water_source);
else
*n = MapNode(CONTENT_AIR);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 03:56:00 +0000