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-rw-r--r--src/mapgen.cpp277
1 files changed, 218 insertions, 59 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 8dda93c96..0ba7f91ab 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -67,8 +67,8 @@ static s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d)
{
MapNode &n = vmanip.m_data[i];
if(content_walkable(n.d)
- && n.d != CONTENT_TREE
- && n.d != CONTENT_LEAVES)
+ && n.getContent() != CONTENT_TREE
+ && n.getContent() != CONTENT_LEAVES)
break;
vmanip.m_area.add_y(em, i, -1);
@@ -143,8 +143,94 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0)
if(vmanip.m_area.contains(p) == false)
continue;
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d != CONTENT_AIR
- && vmanip.m_data[vi].d != CONTENT_IGNORE)
+ 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)
+ 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++)
+ 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)
@@ -251,8 +337,8 @@ static void make_randomstone(VoxelManipulator &vmanip, v3s16 p0)
if(vmanip.m_area.contains(p) == false)
continue;
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d != CONTENT_AIR
- && vmanip.m_data[vi].d != CONTENT_IGNORE)
+ if(vmanip.m_data[vi].getContent() != CONTENT_AIR
+ && vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
continue;
u32 i = stone_a.index(x,y,z);
if(stone_d[i] == 1)
@@ -335,8 +421,8 @@ static void make_largestone(VoxelManipulator &vmanip, v3s16 p0)
if(vmanip.m_area.contains(p) == false)
continue;
u32 vi = vmanip.m_area.index(p);
- /*if(vmanip.m_data[vi].d != CONTENT_AIR
- && vmanip.m_data[vi].d != CONTENT_IGNORE)
+ /*if(vmanip.m_data[vi].getContent() != CONTENT_AIR
+ && vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
continue;*/
u32 i = stone_a.index(x,y,z);
if(stone_d[i] == 1)
@@ -544,9 +630,9 @@ static void make_corridor(VoxelManipulator &vmanip, v3s16 doorplace,
p.Y += make_stairs;
/*// If already empty
- if(vmanip.getNodeNoExNoEmerge(p).d
+ if(vmanip.getNodeNoExNoEmerge(p).getContent()
== CONTENT_AIR
- && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d
+ && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent()
== CONTENT_AIR)
{
}*/
@@ -642,9 +728,9 @@ public:
randomizeDir();
continue;
}
- if(vmanip.getNodeNoExNoEmerge(p).d
+ if(vmanip.getNodeNoExNoEmerge(p).getContent()
== CONTENT_COBBLE
- && vmanip.getNodeNoExNoEmerge(p1).d
+ && vmanip.getNodeNoExNoEmerge(p1).getContent()
== CONTENT_COBBLE)
{
// Found wall, this is a good place!
@@ -658,25 +744,25 @@ public:
Determine where to move next
*/
// Jump one up if the actual space is there
- if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d
+ if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).getContent()
== CONTENT_COBBLE
- && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d
+ && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent()
== CONTENT_AIR
- && vmanip.getNodeNoExNoEmerge(p+v3s16(0,2,0)).d
+ && vmanip.getNodeNoExNoEmerge(p+v3s16(0,2,0)).getContent()
== CONTENT_AIR)
p += v3s16(0,1,0);
// Jump one down if the actual space is there
- if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d
+ if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent()
== CONTENT_COBBLE
- && vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d
+ && vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).getContent()
== CONTENT_AIR
- && vmanip.getNodeNoExNoEmerge(p+v3s16(0,-1,0)).d
+ && vmanip.getNodeNoExNoEmerge(p+v3s16(0,-1,0)).getContent()
== CONTENT_AIR)
p += v3s16(0,-1,0);
// Check if walking is now possible
- if(vmanip.getNodeNoExNoEmerge(p).d
+ if(vmanip.getNodeNoExNoEmerge(p).getContent()
!= CONTENT_AIR
- || vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d
+ || vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).getContent()
!= CONTENT_AIR)
{
// Cannot continue walking here
@@ -798,7 +884,7 @@ static void make_dungeon1(VoxelManipulator &vmanip, PseudoRandom &random)
fits = false;
break;
}
- if(vmanip.m_data[vi].d == CONTENT_IGNORE)
+ if(vmanip.m_data[vi].getContent() == CONTENT_IGNORE)
{
fits = false;
break;
@@ -1004,13 +1090,26 @@ double tree_amount_2d(u64 seed, v2s16 p)
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)
{
@@ -1273,11 +1372,11 @@ void add_random_objects(MapBlock *block)
{
v3s16 p(x0,y0,z0);
MapNode n = block->getNodeNoEx(p);
- if(n.d == CONTENT_IGNORE)
+ if(n.getContent() == CONTENT_IGNORE)
continue;
- if(content_features(n.d).liquid_type != LIQUID_NONE)
+ if(content_features(n).liquid_type != LIQUID_NONE)
continue;
- if(content_features(n.d).walkable)
+ if(content_features(n).walkable)
{
last_node_walkable = true;
continue;
@@ -1285,7 +1384,7 @@ void add_random_objects(MapBlock *block)
if(last_node_walkable)
{
// If block contains light information
- if(content_features(n.d).param_type == CPT_LIGHT)
+ if(content_features(n).param_type == CPT_LIGHT)
{
if(n.getLight(LIGHTBANK_DAY) <= 3)
{
@@ -1392,7 +1491,7 @@ void make_block(BlockMakeData *data)
for(s16 y=node_min.Y; y<=node_max.Y; y++)
{
// Only modify places that have no content
- if(vmanip.m_data[i].d == CONTENT_IGNORE)
+ if(vmanip.m_data[i].getContent() == CONTENT_IGNORE)
{
if(y <= WATER_LEVEL)
vmanip.m_data[i] = MapNode(CONTENT_WATERSOURCE);
@@ -1498,7 +1597,7 @@ void make_block(BlockMakeData *data)
for(s16 y=node_min.Y; y<=node_max.Y; y++)
{
// Only modify places that have no content
- if(vmanip.m_data[i].d == CONTENT_IGNORE)
+ if(vmanip.m_data[i].getContent() == CONTENT_IGNORE)
{
// First priority: make air and water.
// This avoids caves inside water.
@@ -1543,7 +1642,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d == CONTENT_STONE)
+ if(vmanip.m_data[vi].getContent() == CONTENT_STONE)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(CONTENT_MESE);
}
@@ -1584,13 +1683,13 @@ void make_block(BlockMakeData *data)
{
}*/
- if(new_content.d != CONTENT_IGNORE)
+ if(new_content.getContent() != CONTENT_IGNORE)
{
for(u16 i=0; i<27; i++)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d == base_content)
+ if(vmanip.m_data[vi].getContent() == base_content)
{
if(mineralrandom.next()%sparseness == 0)
vmanip.m_data[vi] = new_content;
@@ -1621,7 +1720,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d == CONTENT_STONE)
+ if(vmanip.m_data[vi].getContent() == CONTENT_STONE)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(CONTENT_STONE, MINERAL_COAL);
}
@@ -1647,7 +1746,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].d == CONTENT_STONE)
+ if(vmanip.m_data[vi].getContent() == CONTENT_STONE)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(CONTENT_STONE, MINERAL_IRON);
}
@@ -1670,7 +1769,7 @@ void make_block(BlockMakeData *data)
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].d == CONTENT_STONE)
+ if(vmanip.m_data[i].getContent() == CONTENT_STONE)
{
if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3)
{
@@ -1722,9 +1821,9 @@ void make_block(BlockMakeData *data)
u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y));
for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--)
{
- if(vmanip.m_data[i].d == CONTENT_AIR)
+ if(vmanip.m_data[i].getContent() == CONTENT_AIR)
vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE;
- else if(vmanip.m_data[i].d == CONTENT_WATERSOURCE)
+ else if(vmanip.m_data[i].getContent() == CONTENT_WATERSOURCE)
vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE;
data->vmanip->m_area.add_y(em, i, -1);
}
@@ -1755,17 +1854,17 @@ void make_block(BlockMakeData *data)
double d = noise3d_perlin((float)x/2.5,
(float)y/2.5,(float)z/2.5,
blockseed, 2, 1.4);
- if(vmanip.m_data[i].d == CONTENT_COBBLE)
+ if(vmanip.m_data[i].getContent() == CONTENT_COBBLE)
{
if(d < wetness/3.0)
{
- vmanip.m_data[i].d = CONTENT_MOSSYCOBBLE;
+ vmanip.m_data[i].setContent(CONTENT_MOSSYCOBBLE);
}
}
/*else if(vmanip.m_flags[i] & VMANIP_FLAG_DUNGEON_INSIDE)
{
if(wetness > 1.2)
- vmanip.m_data[i].d = CONTENT_MUD;
+ vmanip.m_data[i].setContent(CONTENT_MUD);
}*/
data->vmanip->m_area.add_y(em, i, -1);
}
@@ -1791,7 +1890,7 @@ void make_block(BlockMakeData *data)
{
if(water_found == false)
{
- if(vmanip.m_data[i].d == CONTENT_WATERSOURCE)
+ if(vmanip.m_data[i].getContent() == CONTENT_WATERSOURCE)
{
v3s16 p = v3s16(p2d.X, y, p2d.Y);
data->transforming_liquid.push_back(p);
@@ -1803,7 +1902,7 @@ void make_block(BlockMakeData *data)
// This can be done because water_found can only
// turn to true and end up here after going through
// a single block.
- if(vmanip.m_data[i+1].d != CONTENT_WATERSOURCE)
+ if(vmanip.m_data[i+1].getContent() != CONTENT_WATERSOURCE)
{
v3s16 p = v3s16(p2d.X, y+1, p2d.Y);
data->transforming_liquid.push_back(p);
@@ -1846,16 +1945,16 @@ void make_block(BlockMakeData *data)
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].d == CONTENT_WATERSOURCE)
+ if(vmanip.m_data[i].getContent() == CONTENT_WATERSOURCE)
water_detected = true;
- if(vmanip.m_data[i].d == CONTENT_AIR)
+ if(vmanip.m_data[i].getContent() == CONTENT_AIR)
air_detected = true;
- if((vmanip.m_data[i].d == CONTENT_STONE
- || vmanip.m_data[i].d == CONTENT_GRASS
- || vmanip.m_data[i].d == CONTENT_MUD
- || vmanip.m_data[i].d == CONTENT_SAND
- || vmanip.m_data[i].d == CONTENT_GRAVEL
+ if((vmanip.m_data[i].getContent() == CONTENT_STONE
+ || vmanip.m_data[i].getContent() == CONTENT_GRASS
+ || vmanip.m_data[i].getContent() == CONTENT_MUD
+ || vmanip.m_data[i].getContent() == CONTENT_SAND
+ || vmanip.m_data[i].getContent() == CONTENT_GRAVEL
) && (air_detected || water_detected))
{
if(current_depth == 0 && y <= WATER_LEVEL+2
@@ -1890,8 +1989,8 @@ void make_block(BlockMakeData *data)
}
else
{
- if(vmanip.m_data[i].d == CONTENT_MUD
- || vmanip.m_data[i].d == CONTENT_GRASS)
+ if(vmanip.m_data[i].getContent() == CONTENT_MUD
+ || vmanip.m_data[i].getContent() == CONTENT_GRASS)
vmanip.m_data[i] = MapNode(CONTENT_STONE);
}
@@ -1909,11 +2008,19 @@ void make_block(BlockMakeData *data)
}
/*
- 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++)
@@ -1938,7 +2045,7 @@ void make_block(BlockMakeData *data)
{
u32 i = data->vmanip->m_area.index(p);
MapNode *n = &data->vmanip->m_data[i];
- if(n->d != CONTENT_AIR && n->d != CONTENT_WATERSOURCE && n->d != CONTENT_IGNORE)
+ if(n->getContent() != CONTENT_AIR && n->getContent() != CONTENT_WATERSOURCE && n->getContent() != CONTENT_IGNORE)
{
found = true;
break;
@@ -1952,23 +2059,27 @@ void make_block(BlockMakeData *data)
u32 i = data->vmanip->m_area.index(p);
MapNode *n = &data->vmanip->m_data[i];
- if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS && n->d != CONTENT_SAND)
+ if(n->getContent() != CONTENT_MUD && n->getContent() != CONTENT_GRASS && n->getContent() != CONTENT_SAND)
continue;
// Papyrus grows only on mud and in water
- if(n->d == CONTENT_MUD && y <= WATER_LEVEL)
+ if(n->getContent() == CONTENT_MUD && y <= WATER_LEVEL)
{
p.Y++;
make_papyrus(vmanip, p);
}
// Trees grow only on mud and grass, on land
- else if((n->d == CONTENT_MUD || n->d == CONTENT_GRASS) && y > WATER_LEVEL + 2)
+ 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)
+ make_tree(vmanip, p);
+ else
+ make_jungletree(vmanip, p);
}
// Cactii grow only on sand, on land
- else if(n->d == CONTENT_SAND && y > WATER_LEVEL + 2)
+ else if(n->getContent() == CONTENT_SAND && y > WATER_LEVEL + 2)
{
p.Y++;
make_cactus(vmanip, p);
@@ -1976,6 +2087,54 @@ void make_block(BlockMakeData *data)
}
}
+ /*
+ 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
@@ -2000,7 +2159,7 @@ void make_block(BlockMakeData *data)
/*{
u32 i = data->vmanip->m_area.index(v3s16(p));
MapNode *n = &data->vmanip->m_data[i];
- if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS)
+ if(n->getContent() != CONTENT_MUD && n->getContent() != CONTENT_GRASS)
continue;
}*/
// Will be placed one higher
@@ -2035,7 +2194,7 @@ void make_block(BlockMakeData *data)
/*{
u32 i = data->vmanip->m_area.index(v3s16(p));
MapNode *n = &data->vmanip->m_data[i];
- if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS)
+ if(n->getContent() != CONTENT_MUD && n->getContent() != CONTENT_GRASS)
continue;
}*/
// Will be placed one lower
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 23:09:35 +0000