#include "mapgen_v7.h"
#include "cavegen.h"
+NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0.6, 2.0);
+
+
+///////////////////////////////////////////////////////////////////////////////
+
CaveV6::CaveV6(MapgenV6 *mg, PseudoRandom *ps, PseudoRandom *ps2, bool is_large_cave) {
this->mg = mg;
max_tunnel_diameter = ps->range(2, 6);
dswitchint = ps->range(1, 14);
flooded = true;
-
+
if (large_cave) {
part_max_length_rs = ps->range(2,4);
tunnel_routepoints = ps->range(5, ps->range(15,30));
part_max_length_rs = ps->range(2,9);
tunnel_routepoints = ps->range(10, ps->range(15,30));
}
-
+
large_cave_is_flat = (ps->range(0,1) == 0);
}
(float)(ps->next() % ar.Z) + 0.5
);
+ // Add generation notify begin event
+ v3s16 abs_pos(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z);
+ GenNotifyType notifytype = large_cave ?
+ GENNOTIFY_LARGECAVE_BEGIN : GENNOTIFY_CAVE_BEGIN;
+ mg->gennotify.addEvent(notifytype, abs_pos);
+
// Generate some tunnel starting from orp
for (u16 j = 0; j < tunnel_routepoints; j++)
makeTunnel(j % dswitchint == 0);
+
+ // Add generation notify end event
+ abs_pos = v3s16(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z);
+ notifytype = large_cave ?
+ GENNOTIFY_LARGECAVE_END : GENNOTIFY_CAVE_END;
+ mg->gennotify.addEvent(notifytype, abs_pos);
}
rp.X = 0;
else if (rp.X >= ar.X)
rp.X = ar.X - 1;
-
+
if (rp.Y < route_y_min)
rp.Y = route_y_min;
else if (rp.Y >= route_y_max)
rp.Y = route_y_max - 1;
-
+
if (rp.Z < 0)
rp.Z = 0;
else if (rp.Z >= ar.Z)
rp.Z = ar.Z - 1;
-
+
vec = rp - orp;
float veclen = vec.getLength();
// As odd as it sounds, veclen is *exactly* 0.0 sometimes, causing a FPE
if (veclen < 0.05)
veclen = 1.0;
-
+
// Every second section is rough
bool randomize_xz = (ps2->range(1, 2) == 1);
// Carve routes
for (float f = 0; f < 1.0; f += 1.0 / veclen)
carveRoute(vec, f, randomize_xz);
-
+
orp = rp;
}
MapNode airnode(CONTENT_AIR);
MapNode waternode(c_water_source);
MapNode lavanode(c_lava_source);
-
+
v3s16 startp(orp.X, orp.Y, orp.Z);
startp += of;
-
+
v3f fp = orp + vec * f;
fp.X += 0.1 * ps->range(-10, 10);
fp.Z += 0.1 * ps->range(-10, 10);
d0 += ps->range(-1, 1);
d1 += ps->range(-1, 1);
}
-
+
for (s16 z0 = d0; z0 <= d1; z0++) {
s16 si = rs / 2 - MYMAX(0, abs(z0) - rs / 7 - 1);
for (s16 x0 = -si - ps->range(0,1); x0 <= si - 1 + ps->range(0,1); x0++) {
s16 maxabsxz = MYMAX(abs(x0), abs(z0));
s16 si2 = rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
- for (s16 y0 = -si2; y0 <= si2; y0++) {
+ for (s16 y0 = -si2; y0 <= si2; y0++) {
if (large_cave_is_flat) {
// Make large caves not so tall
if (rs > 7 && abs(y0) >= rs / 3)
continue;
u32 i = vm->m_area.index(p);
+ content_t c = vm->m_data[i].getContent();
+ if (!ndef->get(c).is_ground_content)
+ continue;
if (large_cave) {
int full_ymin = node_min.Y - MAP_BLOCKSIZE;
}
} else {
// Don't replace air or water or lava or ignore
- content_t c = vm->m_data[i].getContent();
if (c == CONTENT_IGNORE || c == CONTENT_AIR ||
c == c_water_source || c == c_lava_source)
continue;
this->ps = ps;
this->c_water_source = mg->c_water_source;
this->c_lava_source = mg->c_lava_source;
+ this->c_ice = mg->c_ice;
+ this->np_caveliquids = &nparams_caveliquids;
dswitchint = ps->range(1, 14);
flooded = ps->range(1, 2) == 2;
-
+
if (large_cave) {
part_max_length_rs = ps->range(2, 4);
tunnel_routepoints = ps->range(5, ps->range(15, 30));
min_tunnel_diameter = 2;
max_tunnel_diameter = ps->range(2, 6);
}
-
+
large_cave_is_flat = (ps->range(0, 1) == 0);
}
// Allow a bit more
//(this should be more than the maximum radius of the tunnel)
s16 insure = 10;
- s16 more = MAP_BLOCKSIZE - max_tunnel_diameter / 2 - insure;
+ s16 more = MYMAX(MAP_BLOCKSIZE - max_tunnel_diameter / 2 - insure, 1);
ar += v3s16(1,0,1) * more * 2;
of -= v3s16(1,0,1) * more;
(float)(ps->next() % ar.Z) + 0.5
);
+ // Add generation notify begin event
+ v3s16 abs_pos(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z);
+ GenNotifyType notifytype = large_cave ?
+ GENNOTIFY_LARGECAVE_BEGIN : GENNOTIFY_CAVE_BEGIN;
+ mg->gennotify.addEvent(notifytype, abs_pos);
+
// Generate some tunnel starting from orp
for (u16 j = 0; j < tunnel_routepoints; j++)
makeTunnel(j % dswitchint == 0);
+
+ // Add generation notify end event
+ abs_pos = v3s16(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z);
+ notifytype = large_cave ?
+ GENNOTIFY_LARGECAVE_END : GENNOTIFY_CAVE_END;
+ mg->gennotify.addEvent(notifytype, abs_pos);
}
v3s16 orpi(orp.X, orp.Y, orp.Z);
v3s16 veci(vec.X, vec.Y, vec.Z);
v3s16 p;
-
+
p = orpi + veci + of + rs / 2;
if (p.Z >= node_min.Z && p.Z <= node_max.Z &&
p.X >= node_min.X && p.X <= node_max.X) {
} else if (p.Y > water_level) {
return; // If it's not in our heightmap, use a simple heuristic
}
-
+
p = orpi + of + rs / 2;
if (p.Z >= node_min.Z && p.Z <= node_max.Z &&
p.X >= node_min.X && p.X <= node_max.X) {
s16 h = mg->ridge_heightmap[index];
if (h < p.Y)
return;
- } else if (p.Y > water_level) {
+ } else if (p.Y > water_level) {
return;
}
}
rp.X = 0;
else if (rp.X >= ar.X)
rp.X = ar.X - 1;
-
+
if (rp.Y < route_y_min)
rp.Y = route_y_min;
else if (rp.Y >= route_y_max)
rp.Y = route_y_max - 1;
-
+
if (rp.Z < 0)
rp.Z = 0;
else if (rp.Z >= ar.Z)
rp.Z = ar.Z - 1;
-
+
vec = rp - orp;
float veclen = vec.getLength();
if (veclen < 0.05)
veclen = 1.0;
-
+
// Every second section is rough
bool randomize_xz = (ps->range(1, 2) == 1);
// Make a ravine every once in a while if it's long enough
- float xylen = vec.X * vec.X + vec.Z * vec.Z;
- bool is_ravine = (xylen > 500.0) && !large_cave && (ps->range(1, 8) == 1);
+ //float xylen = vec.X * vec.X + vec.Z * vec.Z;
+ //disable ravines for now
+ bool is_ravine = false; //(xylen > 500.0) && !large_cave && (ps->range(1, 8) == 1);
// Carve routes
for (float f = 0; f < 1.0; f += 1.0 / veclen)
carveRoute(vec, f, randomize_xz, is_ravine);
-
+
orp = rp;
}
MapNode airnode(CONTENT_AIR);
MapNode waternode(c_water_source);
MapNode lavanode(c_lava_source);
- MapNode liquidnode = ps->range(0, 4) ? lavanode : waternode;
-
+
v3s16 startp(orp.X, orp.Y, orp.Z);
startp += of;
-
+
+ float nval = NoisePerlin3D(np_caveliquids, startp.X,
+ startp.Y, startp.Z, mg->seed);
+ MapNode liquidnode = nval < 0.40 ? lavanode : waternode;
+
v3f fp = orp + vec * f;
fp.X += 0.1 * ps->range(-10, 10);
fp.Z += 0.1 * ps->range(-10, 10);
d0 += ps->range(-1, 1);
d1 += ps->range(-1, 1);
}
-
+
bool flat_cave_floor = !large_cave && ps->range(0, 2) == 2;
-
+ bool should_make_cave_hole = ps->range(1, 10) == 1;
+
for (s16 z0 = d0; z0 <= d1; z0++) {
s16 si = rs / 2 - MYMAX(0, abs(z0) - rs / 7 - 1);
for (s16 x0 = -si - ps->range(0,1); x0 <= si - 1 + ps->range(0,1); x0++) {
s16 maxabsxz = MYMAX(abs(x0), abs(z0));
-
+
s16 si2 = is_ravine ? MYMIN(ps->range(25, 26), ar.Y) :
rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
-
+
for (s16 y0 = -si2; y0 <= si2; y0++) {
// Make better floors in small caves
if(flat_cave_floor && y0 <= -rs/2 && rs<=7)
continue;
-
+
if (large_cave_is_flat) {
// Make large caves not so tall
if (rs > 7 && abs(y0) >= rs / 3)
v3s16 p(cp.X + x0, cp.Y + y0, cp.Z + z0);
p += of;
+ if (!is_ravine && mg->heightmap && should_make_cave_hole &&
+ p.X <= node_max.X && p.Z <= node_max.Z) {
+ int maplen = node_max.X - node_min.X + 1;
+ int idx = (p.Z - node_min.Z) * maplen + (p.X - node_min.X);
+ if (p.Y >= mg->heightmap[idx] - 2)
+ continue;
+ }
+
if (vm->m_area.contains(p) == false)
continue;
u32 i = vm->m_area.index(p);
-
- // Don't replace air or water or lava
+
+ // Don't replace air, water, lava, or ice
content_t c = vm->m_data[i].getContent();
- if (c == CONTENT_AIR || c == c_water_source || c == c_lava_source)
+ if (!ndef->get(c).is_ground_content || c == CONTENT_AIR ||
+ c == c_water_source || c == c_lava_source || c == c_ice)
continue;
-
+
if (large_cave) {
int full_ymin = node_min.Y - MAP_BLOCKSIZE;
int full_ymax = node_max.Y + MAP_BLOCKSIZE;
else
vm->m_data[i] = airnode;
} else {
+ if (c == CONTENT_IGNORE)
+ continue;
+
vm->m_data[i] = airnode;
vm->m_flags[i] |= VMANIP_FLAG_CAVE;
}
projects / minetest.git / blobdiff