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Ore: Add ore sheet column height range selection

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Modders are now able to select the range of ore column height,
and the midpoint at which they 'grow' starting from.
This commit adds three new parameters for the 'sheet' ore type:
column_height_min, column_height_max, and column_midpoint_factor.
clust_size is now deprecated for this ore type.
This commit is contained in:
kwolekr 2015-09-13 00:09:00 -04:00
parent 1d6911676e
commit beba969413
4 changed files with 37 additions and 15 deletions
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12
src/mg_ore.cpp
View file

@ -176,8 +176,8 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
PseudoRandom pr(blockseed + 4234);
MapNode n_ore(c_ore, 0, ore_param2);
int max_height = clust_size;
int y_start = pr.range(nmin.Y, nmax.Y - max_height);
u16 max_height = column_height_max;
int y_start = pr.range(nmin.Y + max_height, nmax.Y - max_height);
if (!noise) {
int sx = nmax.X - nmin.X + 1;
@ -200,10 +200,12 @@ void OreSheet::generate(MMVManip *vm, int mapseed, u32 blockseed,
continue;
}
int height = max_height * (1. / pr.range(1, 3));
int y0 = y_start + np.scale * noiseval; //pr.range(1, 3) - 1;
u16 height = pr.range(column_height_min, column_height_max);
int ymidpoint = y_start + noiseval;
int y0 = ymidpoint - height * (1 - column_midpoint_factor);
int y1 = y0 + height;
for (int y = y0; y != y1; y++) {
for (int y = y0; y < y1; y++) {
u32 i = vm->m_area.index(x, y, z);
if (!vm->m_area.contains(i))
continue;

4
src/mg_ore.h
View file

@ -87,6 +87,10 @@ class OreSheet : public Ore {
public:
static const bool NEEDS_NOISE = true;
u16 column_height_min;
u16 column_height_max;
float column_midpoint_factor;
virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
v3s16 nmin, v3s16 nmax, u8 *biomemap);
};

13
src/script/lua_api/l_mapgen.cpp
View file

@ -937,8 +937,19 @@ int ModApiMapgen::l_register_ore(lua_State *L)
}
lua_pop(L, 1);
if (oretype == ORE_VEIN) {
//// Get type-specific parameters
if (oretype == ORE_SHEET) {
OreSheet *oresheet = (OreSheet *)ore;
oresheet->column_height_min = getintfield_default(L, index,
"column_height_min", 1);
oresheet->column_height_max = getintfield_default(L, index,
"column_height_max", ore->clust_size);
oresheet->column_midpoint_factor = getfloatfield_default(L, index,
"column_midpoint_factor", 0.5f);
} else if (oretype == ORE_VEIN) {
OreVein *orevein = (OreVein *)ore;
orevein->random_factor = getfloatfield_default(L, index,
"random_factor", 1.f);
}