forked from Mirrorlandia_minetest/minetest
Decoration: Add height_min and height_max parameters
Also set default height_min/height_max to -31000 and 31000, respectively, for ore and biomes
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@ -2758,6 +2758,10 @@ Decoration definition (register_decoration)
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biomes = {"Oceanside", "Hills", "Plains"},
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^ List of biomes in which this decoration occurs. Occurs in all biomes if this is omitted,
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^ and ignored if the Mapgen being used does not support biomes.
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height_min = -31000
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height_max = 31000
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^ Minimum and maximum y positions these decorations can be generated at. This parameter refers to the
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^ y position of the decoration base, so the actual maximum height would be (height_max + size.Y).
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----- Simple-type parameters
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decoration = "default:grass",
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@ -140,7 +140,8 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
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mg->heightmap[mapindex] :
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mg->findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y);
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if (y < nmin.Y || y > nmax.Y)
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if (y < nmin.Y || y > nmax.Y ||
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y < height_min || y > height_max)
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continue;
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int height = getHeight();
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@ -66,6 +66,8 @@ public:
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int mapseed;
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std::vector<content_t> c_place_on;
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s16 sidelen;
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s16 height_min;
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s16 height_max;
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float fill_ratio;
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NoiseParams np;
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@ -427,10 +427,10 @@ int ModApiMapgen::l_register_biome(lua_State *L)
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b->depth_filler = getintfield_default(L, index, "depth_filler", 3);
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b->height_shore = getintfield_default(L, index, "height_shore", 3);
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b->depth_water_top = getintfield_default(L, index, "depth_water_top", 0);
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b->height_min = getintfield_default(L, index, "height_min", 0);
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b->height_max = getintfield_default(L, index, "height_max", 0);
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b->heat_point = getfloatfield_default(L, index, "heat_point", 0.);
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b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.);
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b->height_min = getintfield_default(L, index, "height_min", -31000);
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b->height_max = getintfield_default(L, index, "height_max", 31000);
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b->heat_point = getfloatfield_default(L, index, "heat_point", 0.f);
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b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.f);
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b->flags = 0; //reserved
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u32 id = bmgr->add(b);
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@ -501,6 +501,8 @@ int ModApiMapgen::l_register_decoration(lua_State *L)
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deco->name = getstringfield_default(L, index, "name", "");
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deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
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deco->height_min = getintfield_default(L, index, "height_min", 31000);
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deco->height_max = getintfield_default(L, index, "height_max", -31000);
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deco->sidelen = getintfield_default(L, index, "sidelen", 8);
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if (deco->sidelen <= 0) {
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errorstream << "register_decoration: sidelen must be "
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@ -660,8 +662,8 @@ int ModApiMapgen::l_register_ore(lua_State *L)
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ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
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ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
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ore->clust_size = getintfield_default(L, index, "clust_size", 0);
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ore->height_min = getintfield_default(L, index, "height_min", 0);
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ore->height_max = getintfield_default(L, index, "height_max", 0);
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ore->height_min = getintfield_default(L, index, "height_min", -31000);
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ore->height_max = getintfield_default(L, index, "height_max", 31000);
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ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0);
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ore->noise = NULL;
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ore->flags = 0;
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