}
#endif
-static void make_tree(VoxelManipulator &vmanip, v3s16 p0)
+void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0, bool is_apple_tree)
{
MapNode treenode(CONTENT_TREE);
MapNode leavesnode(CONTENT_LEAVES);
-
+ MapNode applenode(CONTENT_APPLE);
+
s16 trunk_h = myrand_range(4, 5);
v3s16 p1 = p0;
for(s16 ii=0; ii<trunk_h; ii++)
}
}
+ // Blit leaves to vmanip
+ for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
+ for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
+ for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
+ {
+ v3s16 p(x,y,z);
+ p += p1;
+ if(vmanip.m_area.contains(p) == false)
+ continue;
+ u32 vi = vmanip.m_area.index(p);
+ if(vmanip.m_data[vi].getContent() != CONTENT_AIR
+ && vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
+ continue;
+ u32 i = leaves_a.index(x,y,z);
+ if(leaves_d[i] == 1) {
+ bool is_apple = myrand_range(0,99) < 10;
+ if(is_apple_tree && is_apple) {
+ vmanip.m_data[vi] = applenode;
+ } else {
+ vmanip.m_data[vi] = leavesnode;
+ }
+ }
+ }
+}
+
+static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0)
+{
+ MapNode treenode(CONTENT_JUNGLETREE);
+ MapNode leavesnode(CONTENT_LEAVES);
+
+ for(s16 x=-1; x<=1; x++)
+ for(s16 z=-1; z<=1; z++)
+ {
+ if(myrand_range(0, 2) == 0)
+ continue;
+ v3s16 p1 = p0 + v3s16(x,0,z);
+ v3s16 p2 = p0 + v3s16(x,-1,z);
+ if(vmanip.m_area.contains(p2)
+ && vmanip.m_data[vmanip.m_area.index(p2)] == CONTENT_AIR)
+ vmanip.m_data[vmanip.m_area.index(p2)] = treenode;
+ else if(vmanip.m_area.contains(p1))
+ vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
+ }
+
+ s16 trunk_h = myrand_range(8, 12);
+ v3s16 p1 = p0;
+ for(s16 ii=0; ii<trunk_h; ii++)
+ {
+ if(vmanip.m_area.contains(p1))
+ vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
+ p1.Y++;
+ }
+
+ // p1 is now the last piece of the trunk
+ p1.Y -= 1;
+
+ VoxelArea leaves_a(v3s16(-3,-2,-3), v3s16(3,2,3));
+ //SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
+ Buffer<u8> leaves_d(leaves_a.getVolume());
+ for(s32 i=0; i<leaves_a.getVolume(); i++)
+ leaves_d[i] = 0;
+
+ // Force leaves at near the end of the trunk
+ {
+ s16 d = 1;
+ for(s16 z=-d; z<=d; z++)
+ for(s16 y=-d; y<=d; y++)
+ for(s16 x=-d; x<=d; x++)
+ {
+ leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
+ }
+ }
+
+ // Add leaves randomly
+ for(u32 iii=0; iii<30; iii++)
+ {
+ 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)
+ );
+
+ for(s16 z=0; z<=d; z++)
+ for(s16 y=0; y<=d; y++)
+ for(s16 x=0; x<=d; x++)
+ {
+ leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
+ }
+ }
+
// Blit leaves to vmanip
for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
}
}
+static void make_nc(VoxelManipulator &vmanip, PseudoRandom &random)
+{
+ v3s16 dir;
+ u8 facedir_i = 0;
+ s32 r = random.range(0, 3);
+ if(r == 0){
+ dir = v3s16( 1, 0, 0);
+ facedir_i = 3;
+ }
+ if(r == 1){
+ dir = v3s16(-1, 0, 0);
+ facedir_i = 1;
+ }
+ if(r == 2){
+ dir = v3s16( 0, 0, 1);
+ facedir_i = 2;
+ }
+ if(r == 3){
+ dir = v3s16( 0, 0,-1);
+ facedir_i = 0;
+ }
+ v3s16 p = vmanip.m_area.MinEdge + v3s16(
+ 16+random.range(0,15),
+ 16+random.range(0,15),
+ 16+random.range(0,15));
+ vmanip.m_data[vmanip.m_area.index(p)] = MapNode(CONTENT_NC, facedir_i);
+ u32 length = random.range(3,15);
+ for(u32 j=0; j<length; j++)
+ {
+ p -= dir;
+ vmanip.m_data[vmanip.m_area.index(p)] = MapNode(CONTENT_NC_RB);
+ }
+}
+
/*
Noise functions. Make sure seed is mangled differently in each one.
*/
double noise = noise2d_perlin(
0.5+(float)p.X/125, 0.5+(float)p.Y/125,
seed+2, 4, 0.66);
- double zeroval = -0.35;
+ double zeroval = -0.39;
if(noise < zeroval)
return 0;
else
return 0.04 * (noise-zeroval) / (1.0-zeroval);
}
+double surface_humidity_2d(u64 seed, v2s16 p)
+{
+ double noise = noise2d_perlin(
+ 0.5+(float)p.X/500, 0.5+(float)p.Y/500,
+ seed+72384, 4, 0.66);
+ noise = (noise + 1.0)/2.0;
+ if(noise < 0.0)
+ noise = 0.0;
+ if(noise > 1.0)
+ noise = 1.0;
+ return noise;
+}
+
#if 0
double randomstone_amount_2d(u64 seed, v2s16 p)
{
*/
void add_random_objects(MapBlock *block)
{
+#if 0
for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
{
}
}
block->setChangedFlag();
+#endif
}
void make_block(BlockMakeData *data)
/*
Create a block-specific seed
*/
- u32 blockseed = (u32)(data->seed%0x100000000) + full_node_min.Z*38134234
+ u32 blockseed = (u32)(data->seed%0x100000000ULL) + full_node_min.Z*38134234
+ full_node_min.Y*42123 + full_node_min.X*23;
/*
if(noisebuf_ground_wetness.get(x,y,z) < -0.6)
vmanip.m_data[i] = MapNode(CONTENT_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(CONTENT_LAVASOURCE);
+ 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));
+ }
}
data->vmanip->m_area.add_y(em, i, -1);
}
}
}
+
+ /*
+ Add NC
+ */
+ {
+ PseudoRandom ncrandom(blockseed+9324342);
+ if(ncrandom.range(0, 1000) == 0 && blockpos.Y <= -3)
+ {
+ make_nc(vmanip, ncrandom);
+ }
+ }
/*
Add top and bottom side of water to transforming_liquid queue
}
/*
- Add trees
+ Calculate some stuff
*/
+ float surface_humidity = surface_humidity_2d(data->seed, p2d_center);
+ bool is_jungle = surface_humidity > 0.75;
// Amount of trees
u32 tree_count = block_area_nodes * tree_amount_2d(data->seed, p2d_center);
+ if(is_jungle)
+ tree_count *= 5;
+
+ /*
+ Add trees
+ */
PseudoRandom treerandom(blockseed);
// Put trees in random places on part of division
for(u32 i=0; i<tree_count; i++)
else if((n->getContent() == CONTENT_MUD || n->getContent() == CONTENT_GRASS) && y > WATER_LEVEL + 2)
{
p.Y++;
- make_tree(vmanip, p);
+ //if(surface_humidity_2d(data->seed, v2s16(x, y)) < 0.5)
+ if(is_jungle == false)
+ {
+ bool is_apple_tree;
+ if(myrand_range(0,4) != 0)
+ is_apple_tree = false;
+ else
+ is_apple_tree = noise2d_perlin(
+ 0.5+(float)p.X/100, 0.5+(float)p.Z/100,
+ data->seed+342902, 3, 0.45) > 0.2;
+ make_tree(vmanip, p, is_apple_tree);
+ }
+ else
+ make_jungletree(vmanip, p);
}
// Cactii grow only on sand, on land
else if(n->getContent() == CONTENT_SAND && y > WATER_LEVEL + 2)
}
}
+ /*
+ Add jungle grass
+ */
+ if(is_jungle)
+ {
+ PseudoRandom grassrandom(blockseed);
+ for(u32 i=0; i<surface_humidity*5*tree_count; i++)
+ {
+ s16 x = grassrandom.range(node_min.X, node_max.X);
+ s16 z = grassrandom.range(node_min.Z, node_max.Z);
+ s16 y = find_ground_level_from_noise(data->seed, v2s16(x,z), 4);
+ if(y < WATER_LEVEL)
+ continue;
+ if(y < node_min.Y || y > node_max.Y)
+ continue;
+ /*
+ Find exact ground level
+ */
+ v3s16 p(x,y+6,z);
+ bool found = false;
+ for(; p.Y >= y-6; p.Y--)
+ {
+ u32 i = data->vmanip->m_area.index(p);
+ MapNode *n = &data->vmanip->m_data[i];
+ if(content_features(*n).is_ground_content
+ || n->getContent() == CONTENT_JUNGLETREE)
+ {
+ found = true;
+ break;
+ }
+ }
+ // If not found, handle next one
+ if(found == false)
+ continue;
+ p.Y++;
+ if(vmanip.m_area.contains(p) == false)
+ continue;
+ if(vmanip.m_data[vmanip.m_area.index(p)].getContent() != CONTENT_AIR)
+ continue;
+ /*p.Y--;
+ if(vmanip.m_area.contains(p))
+ vmanip.m_data[vmanip.m_area.index(p)] = CONTENT_MUD;
+ p.Y++;*/
+ if(vmanip.m_area.contains(p))
+ vmanip.m_data[vmanip.m_area.index(p)] = CONTENT_JUNGLEGRASS;
+ }
+ }
+
#if 0
/*
Add some kind of random stones
projects / oweals / minetest.git / blobdiff