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Place schematic (on vmanip): Enable use of 'place center' flags
For 'place schematic' and 'place schematic on vmanip' APIs. Fix 'place center' code to properly centre schematics. Fix some comments.
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@ -3276,7 +3276,7 @@ These functions return the leftover itemstack.
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* If slice probability list equals `nil`, no slice probabilities are applied.
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* Saves schematic in the Minetest Schematic format to filename.
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* `minetest.place_schematic(pos, schematic, rotation, replacements, force_placement)`
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* `minetest.place_schematic(pos, schematic, rotation, replacements, force_placement, flags)`
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* Place the schematic specified by schematic (see: Schematic specifier) at `pos`.
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* `rotation` can equal `"0"`, `"90"`, `"180"`, `"270"`, or `"random"`.
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* If the `rotation` parameter is omitted, the schematic is not rotated.
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@ -3288,14 +3288,22 @@ These functions return the leftover itemstack.
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will always use the cached version and the replacement list defined for it,
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regardless of whether the file or the replacement list parameter have changed.
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The only way to load the file anew is to restart the server.
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* `flags` is a flag field with the available flags:
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* place_center_x
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* place_center_y
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* place_center_z
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* `minetest.place_schematic_on_vmanip(vmanip, pos, schematic, rotation, replacement, force_placement)`:
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* `minetest.place_schematic_on_vmanip(vmanip, pos, schematic, rotation, replacement, force_placement, flags)`:
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* This function is analogous to minetest.place_schematic, but places a schematic onto the
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specified VoxelManip object `vmanip` instead of the whole map.
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* Returns false if any part of the schematic was cut-off due to the VoxelManip not
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containing the full area required, and true if the whole schematic was able to fit.
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* Returns nil if the schematic could not be loaded.
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* After execution, any external copies of the VoxelManip contents are invalidated.
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* `flags` is a flag field with the available flags:
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* place_center_x
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* place_center_y
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* place_center_z
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* `minetest.serialize_schematic(schematic, format, options)`
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* Return the serialized schematic specified by schematic (see: Schematic specifier)
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@ -188,15 +188,15 @@ bool Schematic::placeOnVManip(MMVManip *vm, v3s16 p, u32 flags,
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//// Adjust placement position if necessary
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if (flags & DECO_PLACE_CENTER_X)
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p.X -= (s.X + 1) / 2;
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p.X -= (s.X - 1) / 2;
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if (flags & DECO_PLACE_CENTER_Y)
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p.Y -= (s.Y + 1) / 2;
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p.Y -= (s.Y - 1) / 2;
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if (flags & DECO_PLACE_CENTER_Z)
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p.Z -= (s.Z + 1) / 2;
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p.Z -= (s.Z - 1) / 2;
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blitToVManip(vm, p, rot, force_place);
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return vm->m_area.contains(VoxelArea(p, p + s - v3s16(1,1,1)));
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return vm->m_area.contains(VoxelArea(p, p + s - v3s16(1, 1, 1)));
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}
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void Schematic::placeOnMap(ServerMap *map, v3s16 p, u32 flags,
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@ -219,16 +219,16 @@ void Schematic::placeOnMap(ServerMap *map, v3s16 p, u32 flags,
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//// Adjust placement position if necessary
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if (flags & DECO_PLACE_CENTER_X)
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p.X -= (s.X + 1) / 2;
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p.X -= (s.X - 1) / 2;
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if (flags & DECO_PLACE_CENTER_Y)
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p.Y -= (s.Y + 1) / 2;
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p.Y -= (s.Y - 1) / 2;
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if (flags & DECO_PLACE_CENTER_Z)
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p.Z -= (s.Z + 1) / 2;
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p.Z -= (s.Z - 1) / 2;
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//// Create VManip for effected area, emerge our area, modify area
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//// inside VManip, then blit back.
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v3s16 bp1 = getNodeBlockPos(p);
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v3s16 bp2 = getNodeBlockPos(p + s - v3s16(1,1,1));
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v3s16 bp2 = getNodeBlockPos(p + s - v3s16(1, 1, 1));
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MMVManip vm(map);
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vm.initialEmerge(bp1, bp2);
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@ -1529,7 +1529,8 @@ int ModApiMapgen::l_create_schematic(lua_State *L)
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}
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// place_schematic(p, schematic, rotation, replacement)
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// place_schematic(p, schematic, rotation,
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// replacements, force_placement, flagstring)
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int ModApiMapgen::l_place_schematic(lua_State *L)
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{
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MAP_LOCK_REQUIRED;
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@ -1565,12 +1566,19 @@ int ModApiMapgen::l_place_schematic(lua_State *L)
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return 0;
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}
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schem->placeOnMap(map, p, 0, (Rotation)rot, force_placement);
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//// Read flags
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u32 flags = 0;
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read_flags(L, 6, flagdesc_deco, &flags, NULL);
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schem->placeOnMap(map, p, flags, (Rotation)rot, force_placement);
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lua_pushboolean(L, true);
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return 1;
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}
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// place_schematic_on_vmanip(vm, p, schematic, rotation,
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// replacements, force_placement, flagstring)
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int ModApiMapgen::l_place_schematic_on_vmanip(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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@ -1606,13 +1614,18 @@ int ModApiMapgen::l_place_schematic_on_vmanip(lua_State *L)
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return 0;
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}
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//// Read flags
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u32 flags = 0;
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read_flags(L, 7, flagdesc_deco, &flags, NULL);
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bool schematic_did_fit = schem->placeOnVManip(
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vm, p, 0, (Rotation)rot, force_placement);
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vm, p, flags, (Rotation)rot, force_placement);
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lua_pushboolean(L, schematic_did_fit);
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return 1;
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}
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// serialize_schematic(schematic, format, options={...})
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int ModApiMapgen::l_serialize_schematic(lua_State *L)
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{
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@ -70,10 +70,10 @@ private:
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// get_noiseparam_defaults(name)
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static int l_get_noiseparams(lua_State *L);
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// set_gen_notify(flagstring)
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// set_gen_notify(flags, {deco_id_table})
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static int l_set_gen_notify(lua_State *L);
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// set_gen_notify(flagstring)
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// get_gen_notify()
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static int l_get_gen_notify(lua_State *L);
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// register_biome({lots of stuff})
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@ -109,11 +109,12 @@ private:
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// create_schematic(p1, p2, probability_list, filename)
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static int l_create_schematic(lua_State *L);
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// place_schematic(p, schematic, rotation, replacements, force_placement)
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// place_schematic(p, schematic, rotation,
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// replacements, force_placement, flagstring)
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static int l_place_schematic(lua_State *L);
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// place_schematic_on_vmanip(vm, p, schematic,
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// rotation, replacements, force_placement)
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// place_schematic_on_vmanip(vm, p, schematic, rotation,
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// replacements, force_placement, flagstring)
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static int l_place_schematic_on_vmanip(lua_State *L);
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// serialize_schematic(schematic, format, options={...})
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