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Cavegen: Remove now unnecessary checks for water, lava, ice 
Remove large cave checks for air
Mgv5/mgv7:Add is_ground_content checks to 3d noise tunnels
More large caves
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@paramat
paramat committed Apr 7, 2015
1 parent f817597 commit 392ac41
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Showing 3 changed files with 39 additions and 39 deletions.
14 changes: 3 additions & 11 deletions src/cavegen.cpp
View file
Expand Up @@ -262,11 +262,8 @@ void CaveV5::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
continue;

u32 i = vm->m_area.index(p);

// Don't replace air, water, lava, or ice
content_t c = vm->m_data[i].getContent();
if (!ndef->get(c).is_ground_content || c == CONTENT_AIR ||
c == c_water_source || c == c_lava_source || c == c_ice)
if (!ndef->get(c).is_ground_content)
continue;

int full_ymin = node_min.Y - MAP_BLOCKSIZE;
Expand Down Expand Up @@ -551,9 +548,7 @@ void CaveV6::carveRoute(v3f vec, float f, bool randomize_xz) {
vm->m_data[i] = airnode;
}
} else {
// Don't replace air or water or lava or ignore
if (c == CONTENT_IGNORE || c == CONTENT_AIR ||
c == c_water_source || c == c_lava_source)
if (c == CONTENT_IGNORE || c == CONTENT_AIR)
continue;

vm->m_data[i] = airnode;
Expand Down Expand Up @@ -800,11 +795,8 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
continue;

u32 i = vm->m_area.index(p);

// Don't replace air, water, lava, or ice
content_t c = vm->m_data[i].getContent();
if (!ndef->get(c).is_ground_content || c == CONTENT_AIR ||
c == c_water_source || c == c_lava_source || c == c_ice)
if (!ndef->get(c).is_ground_content)
continue;

int full_ymin = node_min.Y - MAP_BLOCKSIZE;
Expand Down
32 changes: 17 additions & 15 deletions src/mapgen_v5.cpp
View file
Expand Up @@ -411,11 +411,12 @@ bool MapgenV5::generateBiomes(float *heat_map, float *humidity_map)
for (s16 y = node_max.Y; y >= node_min.Y; y--) {
content_t c = vm->m_data[i].getContent();

if (c != CONTENT_IGNORE && c != CONTENT_AIR && (y == node_max.Y || have_air)) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
dfiller = biome->depth_filler + noise_filler_depth->result[index];
y0_top = biome->depth_top;
y0_filler = biome->depth_top + dfiller;
if (c != CONTENT_IGNORE && c != CONTENT_AIR &&
(y == node_max.Y || have_air)) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
dfiller = biome->depth_filler + noise_filler_depth->result[index];
y0_top = biome->depth_top;
y0_filler = biome->depth_top + dfiller;
depth_water_top = biome->depth_water_top;

if (biome->c_stone == c_desert_stone)
Expand Down Expand Up @@ -478,18 +479,19 @@ void MapgenV5::generateCaves(int max_stone_y)
for (s16 y=node_min.Y - 1; y<=node_max.Y + 1; y++) {
u32 i = vm->m_area.index(node_min.X, y, z);
for (s16 x=node_min.X; x<=node_max.X; x++, i++, index++, index2d++) {
Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]);
content_t c = vm->m_data[i].getContent();
if (c == CONTENT_AIR
|| (y <= water_level
&& c != biome->c_stone
&& c != c_stone))
continue;

float d1 = contour(noise_cave1->result[index]);
float d2 = contour(noise_cave2->result[index]);
if (d1*d2 > 0.125)
if (d1*d2 > 0.125) {
Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]);
content_t c = vm->m_data[i].getContent();
if (!ndef->get(c).is_ground_content || c == CONTENT_AIR ||
(y <= water_level &&
c != biome->c_stone &&
c != c_stone))
continue;

vm->m_data[i] = MapNode(CONTENT_AIR);
}
}
index2d -= ystride;
}
Expand All @@ -500,7 +502,7 @@ void MapgenV5::generateCaves(int max_stone_y)
return;

PseudoRandom ps(blockseed + 21343);
u32 bruises_count = (ps.range(1, 5) == 1) ? ps.range(1, 2) : 0;
u32 bruises_count = (ps.range(1, 4) == 1) ? ps.range(1, 2) : 0;
for (u32 i = 0; i < bruises_count; i++) {
CaveV5 cave(this, &ps);
cave.makeCave(node_min, node_max, max_stone_y);
Expand Down
32 changes: 19 additions & 13 deletions src/mapgen_v7.cpp
View file
Expand Up @@ -605,11 +605,12 @@ bool MapgenV7::generateBiomes(float *heat_map, float *humidity_map)
for (s16 y = node_max.Y; y >= node_min.Y; y--) {
content_t c = vm->m_data[i].getContent();

if (c != CONTENT_IGNORE && c != CONTENT_AIR && (y == node_max.Y || have_air)) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
dfiller = biome->depth_filler + noise_filler_depth->result[index];
y0_top = biome->depth_top;
y0_filler = biome->depth_top + dfiller;
if (c != CONTENT_IGNORE && c != CONTENT_AIR &&
(y == node_max.Y || have_air)) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
dfiller = biome->depth_filler + noise_filler_depth->result[index];
y0_top = biome->depth_top;
y0_filler = biome->depth_top + dfiller;
depth_water_top = biome->depth_water_top;

if (biome->c_stone == c_desert_stone)
Expand Down Expand Up @@ -820,16 +821,21 @@ void MapgenV7::generateCaves(int max_stone_y)
u32 i = vm->m_area.index(node_min.X, y, z);
for (s16 x = node_min.X; x <= node_max.X;
x++, i++, index++, index2d++) {
Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]);
content_t c = vm->m_data[i].getContent();
if (c == CONTENT_AIR || (y <= water_level &&
c != biome->c_stone && c != c_stone))
continue;

float d1 = contour(noise_cave1->result[index]);
float d2 = contour(noise_cave2->result[index]);
if (d1 * d2 > 0.3)
if (d1 * d2 > 0.3) {
Biome *biome = (Biome *)bmgr->
getRaw(biomemap[index2d]);
content_t c = vm->m_data[i].getContent();
if (!ndef->get(c).is_ground_content ||
c == CONTENT_AIR ||
(y <= water_level &&
c != biome->c_stone &&
c != c_stone))
continue;

vm->m_data[i] = MapNode(CONTENT_AIR);
}
}
index2d -= ystride;
}
Expand All @@ -838,7 +844,7 @@ void MapgenV7::generateCaves(int max_stone_y)
}

PseudoRandom ps(blockseed + 21343);
u32 bruises_count = (ps.range(1, 5) == 1) ? ps.range(1, 2) : 0;
u32 bruises_count = (ps.range(1, 4) == 1) ? ps.range(1, 2) : 0;
for (u32 i = 0; i < bruises_count; i++) {
CaveV7 cave(this, &ps);
cave.makeCave(node_min, node_max, max_stone_y);
Expand Down

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