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Class-ify caves & move to cavegen.cpp, fix cave regression, add caves to Mapgen V7

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kwolekr 2013-04-21 00:11:05 -04:00
parent 527deb947c
commit 03868ff8e1
10 changed files with 459 additions and 308 deletions
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48
src/mapgen_v7.cpp
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@ -34,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "main.h" // For g_profiler
#include "emerge.h"
#include "dungeongen.h"
#include "cavegen.h"
#include "treegen.h"
#include "biome.h"
#include "mapgen_v7.h"
@ -142,7 +143,7 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
//blockseed = emerge->getBlockSeed(full_node_min);
blockseed = emerge->getBlockSeed(full_node_min); //////use getBlockSeed2()!
// Make some noise
calculateNoise();
@ -163,14 +164,17 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
c_sand = ndef->getId("mapgen_sand");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
generateTerrain();
carveRidges();
//carveRivers();
addTopNodes();
growGrass();
generateCaves(stone_surface_max_y);
addTopNodes();
growGrass();
//v3s16 central_area_size = node_max - node_min + v3s16(1,1,1);
if (flags & MG_DUNGEONS) {
@ -398,6 +402,8 @@ void MapgenV7::addTopNodes() {
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
Biome *biome = bmgr->biomes[biomemap[index]];
// First, add top nodes below the ridge
s16 y = ridge_heightmap[index];
@ -408,7 +414,8 @@ void MapgenV7::addTopNodes() {
if (y > node_max.Y) {
y = node_max.Y; // Let's see if we can still go downward anyway
u32 vi = vm->m_area.index(x, y, z);
if (vm->m_data[vi].getContent() != CONTENT_AIR)
content_t c = vm->m_data[vi].getContent();
if (c == biome->c_filler || c == c_stone)//c != CONTENT_AIR)
continue;
}
@ -417,12 +424,14 @@ void MapgenV7::addTopNodes() {
// where a ridge had been carved
u32 i = vm->m_area.index(x, y, z);
for (; y >= node_min.Y; y--) {
if (vm->m_data[i].getContent() != CONTENT_AIR)
content_t c = vm->m_data[i].getContent();
if (c == biome->c_filler || c == c_stone)//c != CONTENT_AIR)
//if (vm->m_data[i].getContent() != CONTENT_AIR)
break;
vm->m_area.add_y(em, i, -1);
}
Biome *biome = bmgr->biomes[biomemap[index]];
if (y != node_min.Y - 1) {
ridge_heightmap[index] = y; //update ridgeheight
@ -440,7 +449,9 @@ void MapgenV7::addTopNodes() {
i = vm->m_area.index(x, y, z);
for (; y >= node_min.Y; y--) {
if (vm->m_data[i].getContent() != CONTENT_AIR)
content_t c = vm->m_data[i].getContent();
if (c == biome->c_filler || c == c_stone)//c != CONTENT_AIR)
//if (vm->m_data[i].getContent() != CONTENT_AIR)
break;
vm->m_area.add_y(em, i, -1);
}
@ -488,3 +499,26 @@ void MapgenV7::growGrass() {
n->setContent(c_dirt_with_grass);
}
}
#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;
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;
for (u32 i = 0; i < caves_count; i++) {
CaveV6 cave(this, &ps, &ps2, false, c_water_source, c_lava_source);
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;
for (u32 i = 0; i < bruises_count; i++) {
CaveV6 cave(this, &ps, &ps2, true, c_water_source, c_lava_source);
cave.makeCave(node_min, node_max, max_stone_y);
}
}