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Revert "Ores: Make 'absheight' flag non-functional"

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This reverts commit 90ed6fc732ca667ca970b7c38d39c809e5c3553e.
This commit is contained in:
Loic Blot 2017-06-25 23:08:31 +02:00
parent c08cc0533f
commit 1237206d4b
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GPG Key ID: EFAA458E8C153987
3 changed files with 25 additions and 6 deletions
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7
doc/lua_api.txt
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@ -1076,7 +1076,12 @@ Ore attributes
See section "Flag Specifier Format".
Currently supported flags:
`puff_cliffs`, `puff_additive_composition`.
`absheight`, `puff_cliffs`, `puff_additive_composition`.
### `absheight`
Also produce this same ore between the height range of `-y_max` and `-y_min`.
Useful for having ore in sky realms without having to duplicate ore entries.
### `puff_cliffs`
If set, puff ore generation will not taper down large differences in displacement

19
src/mg_ore.cpp
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@ -27,7 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
FlagDesc flagdesc_ore[] = {
{"absheight", OREFLAG_ABSHEIGHT}, // Non-functional
{"absheight", OREFLAG_ABSHEIGHT},
{"puff_cliffs", OREFLAG_PUFF_CLIFFS},
{"puff_additive_composition", OREFLAG_PUFF_ADDITIVE},
{NULL, 0}
@ -87,11 +87,22 @@ void Ore::resolveNodeNames()
size_t Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
{
if (!(nmin.Y <= y_max && nmax.Y >= y_min))
int in_range = 0;
in_range |= (nmin.Y <= y_max && nmax.Y >= y_min);
if (flags & OREFLAG_ABSHEIGHT)
in_range |= (nmin.Y >= -y_max && nmax.Y <= -y_min) << 1;
if (!in_range)
return 0;
int actual_ymin = MYMAX(nmin.Y, y_min);
int actual_ymax = MYMIN(nmax.Y, y_max);
int actual_ymin, actual_ymax;
if (in_range & ORE_RANGE_MIRROR) {
actual_ymin = MYMAX(nmin.Y, -y_max);
actual_ymax = MYMIN(nmax.Y, -y_min);
} else {
actual_ymin = MYMAX(nmin.Y, y_min);
actual_ymax = MYMIN(nmax.Y, y_max);
}
if (clust_size >= actual_ymax - actual_ymin + 1)
return 0;

5
src/mg_ore.h
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@ -32,11 +32,14 @@ class MMVManip;
/////////////////// Ore generation flags
#define OREFLAG_ABSHEIGHT 0x01 // Non-functional but kept to not break flags
#define OREFLAG_ABSHEIGHT 0x01
#define OREFLAG_PUFF_CLIFFS 0x02
#define OREFLAG_PUFF_ADDITIVE 0x04
#define OREFLAG_USE_NOISE 0x08
#define ORE_RANGE_ACTUAL 1
#define ORE_RANGE_MIRROR 2
enum OreType {
ORE_SCATTER,
ORE_SHEET,