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Decoration: Add height_min and height_max parameters 

Also set default height_min/height_max to -31000 and 31000,
respectively, for ore and biomes
This commit is contained in:
kwolekr 2014-12-28 22:37:27 -05:00
parent c5faa64405
commit 863379a4c6
4 changed files with 20 additions and 11 deletions
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4
doc/lua_api.txt
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@ -2758,6 +2758,10 @@ Decoration definition (register_decoration)
biomes = {"Oceanside", "Hills", "Plains"},
^ List of biomes in which this decoration occurs. Occurs in all biomes if this is omitted,
^ and ignored if the Mapgen being used does not support biomes.
height_min = -31000
height_max = 31000
^ Minimum and maximum y positions these decorations can be generated at. This parameter refers to the
^ y position of the decoration base, so the actual maximum height would be (height_max + size.Y).
----- Simple-type parameters
decoration = "default:grass",

3
src/mg_decoration.cpp
View File

@ -140,7 +140,8 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
mg->heightmap[mapindex] :
mg->findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y);
if (y < nmin.Y || y > nmax.Y)
if (y < nmin.Y || y > nmax.Y ||
y < height_min || y > height_max)
continue;
int height = getHeight();

2
src/mg_decoration.h
View File

@ -66,6 +66,8 @@ public:
int mapseed;
std::vector<content_t> c_place_on;
s16 sidelen;
s16 height_min;
s16 height_max;
float fill_ratio;
NoiseParams np;

22
src/script/lua_api/l_mapgen.cpp
View File

@ -423,14 +423,14 @@ int ModApiMapgen::l_register_biome(lua_State *L)
Biome *b = bmgr->create(biometype);
b->name = getstringfield_default(L, index, "name", "");
b->depth_top = getintfield_default(L, index, "depth_top", 1);
b->depth_filler = getintfield_default(L, index, "depth_filler", 3);
b->height_shore = getintfield_default(L, index, "height_shore", 3);
b->depth_water_top = getintfield_default(L, index, "depth_water_top", 0);
b->height_min = getintfield_default(L, index, "height_min", 0);
b->height_max = getintfield_default(L, index, "height_max", 0);
b->heat_point = getfloatfield_default(L, index, "heat_point", 0.);
b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.);
b->depth_top = getintfield_default(L, index, "depth_top", 1);
b->depth_filler = getintfield_default(L, index, "depth_filler", 3);
b->height_shore = getintfield_default(L, index, "height_shore", 3);
b->depth_water_top = getintfield_default(L, index, "depth_water_top", 0);
b->height_min = getintfield_default(L, index, "height_min", -31000);
b->height_max = getintfield_default(L, index, "height_max", 31000);
b->heat_point = getfloatfield_default(L, index, "heat_point", 0.f);
b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.f);
b->flags = 0; //reserved
u32 id = bmgr->add(b);
@ -501,6 +501,8 @@ int ModApiMapgen::l_register_decoration(lua_State *L)
deco->name = getstringfield_default(L, index, "name", "");
deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
deco->height_min = getintfield_default(L, index, "height_min", 31000);
deco->height_max = getintfield_default(L, index, "height_max", -31000);
deco->sidelen = getintfield_default(L, index, "sidelen", 8);
if (deco->sidelen <= 0) {
errorstream << "register_decoration: sidelen must be "
@ -660,8 +662,8 @@ int ModApiMapgen::l_register_ore(lua_State *L)
ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
ore->clust_size = getintfield_default(L, index, "clust_size", 0);
ore->height_min = getintfield_default(L, index, "height_min", 0);
ore->height_max = getintfield_default(L, index, "height_max", 0);
ore->height_min = getintfield_default(L, index, "height_min", -31000);
ore->height_max = getintfield_default(L, index, "height_max", 31000);
ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0);
ore->noise = NULL;
ore->flags = 0;