forked from Mirrorlandia_minetest/minetest
Cavegen: Cleanup code. Define constant for MGV7_LAVA_DEPTH
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paramat
parent
d75009a758
commit
c0dafa1c10
106
src/cavegen.cpp
106
src/cavegen.cpp
@ -32,11 +32,11 @@ NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0.6, 2.0
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CaveV5::CaveV5(MapgenV5 *mg, PseudoRandom *ps) {
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->ps = ps;
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->ps = ps;
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this->c_water_source = mg->c_water_source;
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this->c_lava_source = mg->c_lava_source;
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this->c_ice = mg->c_ice;
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@ -45,8 +45,8 @@ CaveV5::CaveV5(MapgenV5 *mg, PseudoRandom *ps) {
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dswitchint = ps->range(1, 14);
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flooded = ps->range(1, 2) == 2;
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part_max_length_rs = ps->range(2, 4);
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tunnel_routepoints = ps->range(5, ps->range(15, 30));
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part_max_length_rs = ps->range(2, 4);
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tunnel_routepoints = ps->range(5, ps->range(15, 30));
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min_tunnel_diameter = 5;
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max_tunnel_diameter = ps->range(7, ps->range(8, 24));
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@ -157,7 +157,7 @@ void CaveV5::makeTunnel(bool dirswitch) {
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p = orpi + of + rs / 2;
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if (p.Z >= node_min.Z && p.Z <= node_max.Z &&
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p.X >= node_min.X && p.X <= node_max.X) {
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p.X >= node_min.X && p.X <= node_max.X) {
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u32 index = (p.Z - node_min.Z) * mg->ystride + (p.X - node_min.X);
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s16 h = mg->heightmap[index];
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if (h < p.Y)
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@ -215,7 +215,7 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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startp += of;
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float nval = NoisePerlin3D(np_caveliquids, startp.X,
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startp.Y, startp.Z, mg->seed);
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startp.Y, startp.Z, mg->seed);
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MapNode liquidnode = nval < 0.40 ? lavanode : waternode;
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v3f fp = orp + vec * f;
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@ -238,7 +238,7 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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s16 maxabsxz = MYMAX(abs(x0), abs(z0));
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s16 si2 = is_ravine ? MYMIN(ps->range(25, 26), ar.Y) :
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rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
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rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
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for (s16 y0 = -si2; y0 <= si2; y0++) {
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if (large_cave_is_flat) {
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@ -251,9 +251,10 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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p += of;
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if (!is_ravine && mg->heightmap && should_make_cave_hole &&
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p.X <= node_max.X && p.Z <= node_max.Z) {
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p.X <= node_max.X && p.Z <= node_max.Z) {
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int maplen = node_max.X - node_min.X + 1;
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int idx = (p.Z - node_min.Z) * maplen + (p.X - node_min.X);
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int idx = (p.Z - node_min.Z) * maplen +
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(p.X - node_min.X);
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if (p.Y >= mg->heightmap[idx] - 2)
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continue;
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}
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@ -269,10 +270,13 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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int full_ymin = node_min.Y - MAP_BLOCKSIZE;
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int full_ymax = node_max.Y + MAP_BLOCKSIZE;
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if (flooded && full_ymin < water_level && full_ymax > water_level)
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vm->m_data[i] = (p.Y <= water_level) ? waternode : airnode;
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if (flooded && full_ymin < water_level &&
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full_ymax > water_level)
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vm->m_data[i] = (p.Y <= water_level) ?
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waternode : airnode;
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else if (flooded && full_ymax < water_level)
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vm->m_data[i] = (p.Y < startp.Y - 4) ? liquidnode : airnode;
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vm->m_data[i] = (p.Y < startp.Y - 4) ?
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liquidnode : airnode;
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else
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vm->m_data[i] = airnode;
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}
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@ -285,24 +289,24 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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CaveV6::CaveV6(MapgenV6 *mg, PseudoRandom *ps, PseudoRandom *ps2, bool is_large_cave) {
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->large_cave = is_large_cave;
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this->ps = ps;
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this->ps2 = ps2;
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->large_cave = is_large_cave;
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this->ps = ps;
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this->ps2 = ps2;
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this->c_water_source = mg->c_water_source;
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this->c_lava_source = mg->c_lava_source;
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min_tunnel_diameter = 2;
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max_tunnel_diameter = ps->range(2, 6);
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dswitchint = ps->range(1, 14);
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flooded = true;
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dswitchint = ps->range(1, 14);
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flooded = true;
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if (large_cave) {
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part_max_length_rs = ps->range(2,4);
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tunnel_routepoints = ps->range(5, ps->range(15,30));
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part_max_length_rs = ps->range(2,4);
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tunnel_routepoints = ps->range(5, ps->range(15,30));
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min_tunnel_diameter = 5;
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max_tunnel_diameter = ps->range(7, ps->range(8,24));
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} else {
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@ -438,7 +442,8 @@ void CaveV6::makeTunnel(bool dirswitch) {
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v3s16 p1 = orpi + veci + of + rs / 2;
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if (p1.Z >= node_min.Z && p1.Z <= node_max.Z &&
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p1.X >= node_min.X && p1.X <= node_max.X) {
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u32 index1 = (p1.Z - node_min.Z) * mg->ystride + (p1.X - node_min.X);
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u32 index1 = (p1.Z - node_min.Z) * mg->ystride +
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(p1.X - node_min.X);
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h1 = mg->heightmap[index1];
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} else {
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h1 = water_level; // If not in heightmap
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@ -447,7 +452,8 @@ void CaveV6::makeTunnel(bool dirswitch) {
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v3s16 p2 = orpi + of + rs / 2;
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if (p2.Z >= node_min.Z && p2.Z <= node_max.Z &&
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p2.X >= node_min.X && p2.X <= node_max.X) {
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u32 index2 = (p2.Z - node_min.Z) * mg->ystride + (p2.X - node_min.X);
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u32 index2 = (p2.Z - node_min.Z) * mg->ystride +
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(p2.X - node_min.X);
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h2 = mg->heightmap[index2];
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} else {
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h2 = water_level;
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@ -540,10 +546,13 @@ void CaveV6::carveRoute(v3f vec, float f, bool randomize_xz) {
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int full_ymin = node_min.Y - MAP_BLOCKSIZE;
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int full_ymax = node_max.Y + MAP_BLOCKSIZE;
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if (flooded && full_ymin < water_level && full_ymax > water_level) {
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vm->m_data[i] = (p.Y <= water_level) ? waternode : airnode;
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if (flooded && full_ymin < water_level &&
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full_ymax > water_level) {
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vm->m_data[i] = (p.Y <= water_level) ?
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waternode : airnode;
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} else if (flooded && full_ymax < water_level) {
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vm->m_data[i] = (p.Y < startp.Y - 2) ? lavanode : airnode;
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vm->m_data[i] = (p.Y < startp.Y - 2) ?
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lavanode : airnode;
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} else {
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vm->m_data[i] = airnode;
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}
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@ -564,11 +573,11 @@ void CaveV6::carveRoute(v3f vec, float f, bool randomize_xz) {
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CaveV7::CaveV7(MapgenV7 *mg, PseudoRandom *ps) {
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->ps = ps;
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this->mg = mg;
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this->vm = mg->vm;
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this->ndef = mg->ndef;
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this->water_level = mg->water_level;
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this->ps = ps;
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this->c_water_source = mg->c_water_source;
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this->c_lava_source = mg->c_lava_source;
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this->c_ice = mg->c_ice;
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@ -577,8 +586,8 @@ CaveV7::CaveV7(MapgenV7 *mg, PseudoRandom *ps) {
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dswitchint = ps->range(1, 14);
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flooded = ps->range(1, 2) == 2;
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part_max_length_rs = ps->range(2, 4);
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tunnel_routepoints = ps->range(5, ps->range(15, 30));
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part_max_length_rs = ps->range(2, 4);
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tunnel_routepoints = ps->range(5, ps->range(15, 30));
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min_tunnel_diameter = 5;
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max_tunnel_diameter = ps->range(7, ps->range(8, 24));
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@ -748,8 +757,9 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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startp += of;
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float nval = NoisePerlin3D(np_caveliquids, startp.X,
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startp.Y, startp.Z, mg->seed);
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MapNode liquidnode = (nval < 0.40 && node_max.Y < -256) ? lavanode : waternode;
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startp.Y, startp.Z, mg->seed);
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MapNode liquidnode = (nval < 0.40 && node_max.Y < MGV7_LAVA_DEPTH) ?
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lavanode : waternode;
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v3f fp = orp + vec * f;
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fp.X += 0.1 * ps->range(-10, 10);
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@ -771,7 +781,7 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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s16 maxabsxz = MYMAX(abs(x0), abs(z0));
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s16 si2 = is_ravine ? MYMIN(ps->range(25, 26), ar.Y) :
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rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
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rs / 2 - MYMAX(0, maxabsxz - rs / 7 - 1);
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for (s16 y0 = -si2; y0 <= si2; y0++) {
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if (large_cave_is_flat) {
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@ -784,9 +794,10 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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p += of;
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if (!is_ravine && mg->heightmap && should_make_cave_hole &&
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p.X <= node_max.X && p.Z <= node_max.Z) {
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p.X <= node_max.X && p.Z <= node_max.Z) {
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int maplen = node_max.X - node_min.X + 1;
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int idx = (p.Z - node_min.Z) * maplen + (p.X - node_min.X);
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int idx = (p.Z - node_min.Z) * maplen +
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(p.X - node_min.X);
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if (p.Y >= mg->heightmap[idx] - 2)
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continue;
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}
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@ -802,10 +813,13 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
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int full_ymin = node_min.Y - MAP_BLOCKSIZE;
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int full_ymax = node_max.Y + MAP_BLOCKSIZE;
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if (flooded && full_ymin < water_level && full_ymax > water_level)
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vm->m_data[i] = (p.Y <= water_level) ? waternode : airnode;
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if (flooded && full_ymin < water_level &&
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full_ymax > water_level)
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vm->m_data[i] = (p.Y <= water_level) ?
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waternode : airnode;
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else if (flooded && full_ymax < water_level)
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vm->m_data[i] = (p.Y < startp.Y - 4) ? liquidnode : airnode;
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vm->m_data[i] = (p.Y < startp.Y - 4) ?
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liquidnode : airnode;
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else
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vm->m_data[i] = airnode;
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}
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@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#define CAVEGEN_HEADER
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#define VMANIP_FLAG_CAVE VOXELFLAG_CHECKED1
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#define MGV7_LAVA_DEPTH -256
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class MapgenV5;
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class MapgenV6;
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