oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Ore: Add puff ore type

Browse source
This commit is contained in:
kwolekr 2015-09-15 21:28:16 -04:00
parent 6c81be51ff
commit dcbb95338a
4 changed files with 178 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

97
src/mg_ore.cpp
View file

@ -25,8 +25,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "log.h"
FlagDesc flagdesc_ore[] = {
{"absheight", OREFLAG_ABSHEIGHT},
{NULL, 0}
{"absheight", OREFLAG_ABSHEIGHT},
{"puff_cliffs", OREFLAG_PUFF_CLIFFS},
{"puff_additive_composition", OREFLAG_PUFF_ADDITIVE},
{NULL, 0}
};
@ -220,6 +222,94 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
///////////////////////////////////////////////////////////////////////////////
OrePuff::OrePuff() :
Ore()
{
noise_puff_top = NULL;
noise_puff_bottom = NULL;
}
OrePuff::~OrePuff()
{
delete noise_puff_top;
delete noise_puff_bottom;
}
void OrePuff::generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, u8 *biomemap)
{
PseudoRandom pr(blockseed + 4234);
MapNode n_ore(c_ore, 0, ore_param2);
int y_start = pr.range(nmin.Y, nmax.Y);
if (!noise) {
int sx = nmax.X - nmin.X + 1;
int sz = nmax.Z - nmin.Z + 1;
noise = new Noise(&np, 0, sx, sz);
noise_puff_top = new Noise(&np_puff_top, 0, sx, sz);
noise_puff_bottom = new Noise(&np_puff_bottom, 0, sx, sz);
}
noise->seed = mapseed + y_start;
noise->perlinMap2D(nmin.X, nmin.Z);
bool noise_generated = false;
size_t index = 0;
for (int z = nmin.Z; z <= nmax.Z; z++)
for (int x = nmin.X; x <= nmax.X; x++, index++) {
float noiseval = noise->result[index];
if (noiseval < nthresh)
continue;
if (biomemap && !biomes.empty()) {
std::set<u8>::iterator it = biomes.find(biomemap[index]);
if (it == biomes.end())
continue;
}
if (!noise_generated) {
noise_generated = true;
noise_puff_top->perlinMap2D(nmin.X, nmin.Z);
noise_puff_bottom->perlinMap2D(nmin.X, nmin.Z);
}
float ntop = noise_puff_top->result[index];
float nbottom = noise_puff_bottom->result[index];
if (!(flags & OREFLAG_PUFF_CLIFFS)) {
float ndiff = noiseval - nthresh;
if (ndiff < 1.0f) {
ntop *= ndiff;
nbottom *= ndiff;
}
}
int ymid = y_start;
int y0 = ymid - nbottom;
int y1 = ymid + ntop;
if ((flags & OREFLAG_PUFF_ADDITIVE) && (y0 > y1))
SWAP(int, y0, y1);
for (int y = y0; y <= y1; y++) {
u32 i = vm->m_area.index(x, y, z);
if (!vm->m_area.contains(i))
continue;
if (!CONTAINS(c_wherein, vm->m_data[i].getContent()))
continue;
vm->m_data[i] = n_ore;
}
}
}
///////////////////////////////////////////////////////////////////////////////
void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, u8 *biomemap)
{
@ -285,7 +375,8 @@ void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
///////////////////////////////////////////////////////////////////////////////
OreVein::OreVein()
OreVein::OreVein() :
Ore()
{
noise2 = NULL;
}