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Enhance caves for mgv7, add ravines

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This commit is contained in:
kwolekr 2013-04-27 22:40:52 -04:00
parent 0fb9567f13
commit 8767c78169
6 changed files with 359 additions and 46 deletions
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25
src/mapgen_v7.cpp
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@ -78,7 +78,7 @@ MapgenV7::MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge)
this->water_level = params->water_level;
this->flags = params->flags;
this->csize = v3s16(1, 1, 1) * params->chunksize * MAP_BLOCKSIZE;
// this->ystride = csize.X; //////fix this
this->ystride = csize.X; //////fix this
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
@ -187,7 +187,6 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
generateCaves(stone_surface_max_y);
addTopNodes();
//v3s16 central_area_size = node_max - node_min + v3s16(1,1,1);
if (flags & MG_DUNGEONS) {
DungeonGen dgen(ndef, data->seed, water_level);
@ -452,7 +451,8 @@ void MapgenV7::addTopNodes() {
vm->m_area.add_y(em, i, 1);
}
// If dirt, grow grass on it.
if (vm->m_data[i].getContent() == CONTENT_AIR) {
if (y > water_level - 10 &&
vm->m_data[i].getContent() == CONTENT_AIR) {
vm->m_area.add_y(em, i, -1);
if (vm->m_data[i].getContent() == c_dirt)
vm->m_data[i] = MapNode(c_dirt_with_grass);
@ -489,7 +489,8 @@ void MapgenV7::addTopNodes() {
vm->m_area.add_y(em, i, 1);
}
// If dirt, grow grass on it.
if (vm->m_data[i].getContent() == CONTENT_AIR) {
if (y > water_level - 10 &&
vm->m_data[i].getContent() == CONTENT_AIR) {
vm->m_area.add_y(em, i, -1);
if (vm->m_data[i].getContent() == c_dirt)
vm->m_data[i] = MapNode(c_dirt_with_grass);
@ -502,22 +503,22 @@ void MapgenV7::addTopNodes() {
#include "mapgen_v6.h"
void MapgenV7::generateCaves(int max_stone_y) {
PseudoRandom ps(blockseed + 21343);
PseudoRandom ps2(blockseed + 1032);
int volume_nodes = (node_max.X - node_min.X + 1) *
(node_max.Y - node_min.Y + 1) * MAP_BLOCKSIZE;
(node_max.Y - node_min.Y + 1) *
(node_max.Z - node_min.Z + 1);
float cave_amount = NoisePerlin2D(&nparams_v6_def_cave,
node_min.X, node_min.Y, seed);
u32 caves_count = MYMAX(0.0, cave_amount) * volume_nodes / 50000;
u32 caves_count = MYMAX(0.0, cave_amount) * volume_nodes / 250000;
for (u32 i = 0; i < caves_count; i++) {
CaveV6 cave(this, &ps, &ps2, false, c_water_source, c_lava_source);
CaveV7 cave(this, &ps, false);
cave.makeCave(node_min, node_max, max_stone_y);
}
u32 bruises_count = (ps.range(1, 6) == 1) ? ps.range(0, ps.range(0, 2)) : 1;
u32 bruises_count = (ps.range(1, 8) == 1) ? ps.range(0, ps.range(0, 2)) : 1;
for (u32 i = 0; i < bruises_count; i++) {
CaveV6 cave(this, &ps, &ps2, true, c_water_source, c_lava_source);
CaveV7 cave(this, &ps, true);
cave.makeCave(node_min, node_max, max_stone_y);
}
}