2,233 changes: 52 additions & 2,181 deletions src/mapgen.cpp
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5 changes: 5 additions & 0 deletions src/mapgen.h
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Expand Up @@ -72,6 +72,11 @@ class Mapgen {
int water_level;
bool generating;
int id;
ManualMapVoxelManipulator *vm;
INodeDefManager *ndef;

void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
void updateLighting(v3s16 nmin, v3s16 nmax);

virtual void makeChunk(BlockMakeData *data) {};
virtual int getGroundLevelAtPoint(v2s16 p) = 0;
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1,608 changes: 637 additions & 971 deletions src/mapgen_v6.cpp
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73 changes: 46 additions & 27 deletions src/mapgen_v6.h
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Expand Up @@ -20,10 +20,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#ifndef MAPGENV6_HEADER
#define MAPGENV6_HEADER

#include "dungeongen.h"
#include "mapgen.h"

#define AVERAGE_MUD_AMOUNT 4
#define VMANIP_FLAG_CAVE VOXELFLAG_CHECKED1

enum BiomeType
{
Expand Down Expand Up @@ -74,13 +74,17 @@ struct MapgenV6Params : public MapgenParams {

class MapgenV6 : public Mapgen {
public:
//ManualMapVoxelManipulator &vmanip;

int ystride;
v3s16 csize;
u32 flags;

u32 blockseed;
v3s16 node_min;
v3s16 node_max;
v3s16 full_node_min;
v3s16 full_node_max;
v3s16 central_area_size;
int volume_nodes;

Noise *noise_terrain_base;
Noise *noise_terrain_higher;
Expand All @@ -90,43 +94,58 @@ class MapgenV6 : public Mapgen {
Noise *noise_mud;
Noise *noise_beach;
Noise *noise_biome;

float *map_terrain_base;
float *map_terrain_higher;
float *map_steepness;
float *map_height_select;
float *map_trees;
float *map_mud;
float *map_beach;
float *map_biome;

NoiseParams *np_cave;

u32 flags;
float freq_desert;
float freq_beach;

content_t c_stone;
content_t c_dirt;
content_t c_dirt_with_grass;
content_t c_sand;
content_t c_water_source;
content_t c_lava_source;
content_t c_gravel;
content_t c_cobble;
content_t c_desert_sand;
content_t c_desert_stone;

MapgenV6(int mapgenid, MapgenV6Params *params);
~MapgenV6();

void makeChunk(BlockMakeData *data);
int getGroundLevelAtPoint(v2s16 p);

double baseRockLevelFromNoise(v2s16 p);
static s16 find_ground_level(VoxelManipulator &vmanip,
v2s16 p2d, INodeDefManager *ndef);
static s16 find_stone_level(VoxelManipulator &vmanip,
v2s16 p2d, INodeDefManager *ndef);
void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
bool is_apple_tree, INodeDefManager *ndef);
double tree_amount_2d(u64 seed, v2s16 p);
float baseTerrainLevel(float terrain_base, float terrain_higher,
float steepness, float height_select);
float baseTerrainLevelFromNoise(v2s16 p);
float baseTerrainLevelFromMap(v2s16 p);
float baseTerrainLevelFromMap(int index);

s16 find_ground_level(v2s16 p2d);
s16 find_stone_level(v2s16 p2d);
bool block_is_underground(u64 seed, v3s16 blockpos);
double base_rock_level_2d(u64 seed, v2s16 p);
s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
double get_mud_add_amount(u64 seed, v2s16 p);
bool get_have_beach(u64 seed, v2s16 p2d);
BiomeType get_biome(u64 seed, v2s16 p2d);

float getTreeAmount(v2s16 p);
float getTreeAmount(int index);
float getMudAmount(v2s16 p);
float getMudAmount(int index);
bool getHaveBeach(v2s16 p);
bool getHaveBeach(int index);
BiomeType getBiome(v2s16 p);
BiomeType getBiome(int index, v2s16 p);

u32 get_blockseed(u64 seed, v3s16 p);


void calculateNoise();
int generateGround();
void addMud();
void flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos);
void addDirtGravelBlobs();
void growGrass();
void placeTrees();
void generateCaves(int max_stone_y);
};

struct MapgenFactoryV6 : public MapgenFactory {
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34 changes: 17 additions & 17 deletions src/treegen.cpp
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Expand Up @@ -28,15 +28,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,

namespace treegen
{

void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
bool is_apple_tree, INodeDefManager *ndef,int seed)
bool is_apple_tree, INodeDefManager *ndef, int seed)
{
MapNode treenode(ndef->getId("mapgen_tree"));
MapNode leavesnode(ndef->getId("mapgen_leaves"));
MapNode applenode(ndef->getId("mapgen_apple"));

PseudoRandom ps(seed);
s16 trunk_h = ps.range(4, 5);
PseudoRandom pr(seed);
s16 trunk_h = pr.range(4, 5);
v3s16 p1 = p0;
for(s16 ii=0; ii<trunk_h; ii++)
{
Expand Down Expand Up @@ -72,9 +73,9 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
s16 d = 1;

v3s16 p(
ps.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
ps.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
ps.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
);

for(s16 z=0; z<=d; z++)
Expand All @@ -100,7 +101,7 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
continue;
u32 i = leaves_a.index(x,y,z);
if(leaves_d[i] == 1) {
bool is_apple = ps.range(0,99) < 10;
bool is_apple = pr.range(0,99) < 10;
if(is_apple_tree && is_apple) {
vmanip.m_data[vi] = applenode;
} else {
Expand All @@ -111,7 +112,7 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
}

// L-System tree LUA spawner
void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeDef tree_definition)
void spawn_ltree(ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeDef tree_definition)
{
ServerMap *map = &env->getServerMap();
std::map<v3s16, MapBlock*> modified_blocks;
Expand Down Expand Up @@ -506,17 +507,17 @@ v3f transposeMatrix(irr::core::matrix4 M, v3f v)
return translated;
}

#if 0
static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
INodeDefManager *ndef)
void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
INodeDefManager *ndef, int seed)
{
MapNode treenode(ndef->getId("mapgen_jungletree"));
MapNode leavesnode(ndef->getId("mapgen_leaves"));

PseudoRandom pr(seed);
for(s16 x=-1; x<=1; x++)
for(s16 z=-1; z<=1; z++)
{
if(myrand_range(0, 2) == 0)
if(pr.range(0, 2) == 0)
continue;
v3s16 p1 = p0 + v3s16(x,0,z);
v3s16 p2 = p0 + v3s16(x,-1,z);
Expand All @@ -527,7 +528,7 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
}

s16 trunk_h = myrand_range(8, 12);
s16 trunk_h = pr.range(8, 12);
v3s16 p1 = p0;
for(s16 ii=0; ii<trunk_h; ii++)
{
Expand Down Expand Up @@ -562,9 +563,9 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
s16 d = 1;

v3s16 p(
myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
);

for(s16 z=0; z<=d; z++)
Expand Down Expand Up @@ -593,6 +594,5 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
vmanip.m_data[vi] = leavesnode;
}
}
#endif

}; // namespace treegen
51 changes: 27 additions & 24 deletions src/treegen.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,33 +27,36 @@ class ManualMapVoxelManipulator;
class INodeDefManager;


namespace treegen
{
namespace treegen {

struct TreeDef
{
std::string initial_axiom;
std::string rules_a;
std::string rules_b;
std::string rules_c;
std::string rules_d;
MapNode trunknode;
MapNode leavesnode;
MapNode leaves2node;
int leaves2_chance;
int angle;
int iterations;
int iterations_random_level;
std::string trunk_type;
bool thin_branches;
MapNode fruitnode;
int fruit_chance;
int seed;
};
struct TreeDef {
std::string initial_axiom;
std::string rules_a;
std::string rules_b;
std::string rules_c;
std::string rules_d;

MapNode trunknode;
MapNode leavesnode;
MapNode leaves2node;

int leaves2_chance;
int angle;
int iterations;
int iterations_random_level;
std::string trunk_type;
bool thin_branches;
MapNode fruitnode;
int fruit_chance;
int seed;
};

// Add default tree
void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
bool is_apple_tree, INodeDefManager *ndef,int seed);
bool is_apple_tree, INodeDefManager *ndef, int seed);
// Add jungle tree
void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
INodeDefManager *ndef, int seed);

// Add L-Systems tree (used by engine)
void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
Expand All @@ -73,7 +76,7 @@ int seed;
PseudoRandom ps, TreeDef &tree_definition);
void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition);
irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle,v3f axis);
irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis);

v3f transposeMatrix(irr::core::matrix4 M ,v3f v);

Expand Down