forked from Mirrorlandia_minetest/minetest
Decoration API: Allow force_placement of simple decorations
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1100a5d614
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48a718e715
@ -3698,11 +3698,12 @@ Definition tables
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-- ^ Minimum and maximum `y` positions these decorations can be generated at.
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-- ^ This parameter refers to the `y` position of the decoration base, so
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-- the actual maximum height would be `height_max + size.Y`.
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flags = "liquid_surface",
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flags = "liquid_surface, force_placement",
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-- ^ Flags for all decoration types.
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-- ^ "liquid_surface": Instead of placement on the highest solid surface
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-- ^ in a mapchunk column, placement is on the highest liquid surface.
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-- ^ Placement is disabled if solid nodes are found above the liquid surface.
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-- ^ "force_placement": Nodes other than "air" and "ignore" are replaced by the decoration.
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----- Simple-type parameters
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decoration = "default:grass",
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@ -3746,7 +3747,7 @@ Definition tables
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},
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-- ^ See 'Schematic specifier' for details.
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replacements = {["oldname"] = "convert_to", ...},
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flags = "place_center_x, place_center_y, place_center_z, force_placement",
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flags = "place_center_x, place_center_y, place_center_z",
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-- ^ Flags for schematic decorations. See 'Schematic attributes'.
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rotation = "90" -- rotate schematic 90 degrees on placement
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-- ^ Rotation can be "0", "90", "180", "270", or "random".
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@ -304,13 +304,16 @@ size_t DecoSimple::generate(MMVManip *vm, PcgRandom *pr, v3s16 p)
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s16 height = (deco_height_max > 0) ?
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pr->range(deco_height, deco_height_max) : deco_height;
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bool force_placement = (flags & DECO_FORCE_PLACEMENT);
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v3s16 em = vm->m_area.getExtent();
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u32 vi = vm->m_area.index(p);
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for (int i = 0; i < height; i++) {
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vm->m_area.add_y(em, vi, 1);
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content_t c = vm->m_data[vi].getContent();
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if (c != CONTENT_AIR && c != CONTENT_IGNORE)
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if (c != CONTENT_AIR && c != CONTENT_IGNORE &&
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!force_placement)
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break;
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vm->m_data[vi] = MapNode(c_place);
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