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Add minetest.load_area (#8023)
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@ -3989,6 +3989,10 @@ Environment access
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* mode = `"quick"`: Clear objects immediately in loaded mapblocks,
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clear objects in unloaded mapblocks only when the
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mapblocks are next activated.
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* `minetest.load_area(pos1[, pos2])`
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* Load the mapblocks containing the area from `pos1` to `pos2`.
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`pos2` defaults to `pos1` if not specified.
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* This function does not trigger map generation.
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* `minetest.emerge_area(pos1, pos2, [callback], [param])`
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* Queue all blocks in the area from `pos1` to `pos2`, inclusive, to be
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asynchronously fetched from memory, loaded from disk, or if inexistent,
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@ -1047,6 +1047,30 @@ int ModApiEnvMod::l_raycast(lua_State *L)
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return LuaRaycast::create_object(L);
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}
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// load_area(p1, [p2])
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// load mapblocks in area p1..p2, but do not generate map
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int ModApiEnvMod::l_load_area(lua_State *L)
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{
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GET_ENV_PTR;
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MAP_LOCK_REQUIRED;
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Map *map = &(env->getMap());
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v3s16 bp1 = getNodeBlockPos(check_v3s16(L, 1));
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if (!lua_istable(L, 2)) {
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map->emergeBlock(bp1);
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} else {
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v3s16 bp2 = getNodeBlockPos(check_v3s16(L, 2));
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sortBoxVerticies(bp1, bp2);
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for (s16 z = bp1.Z; z <= bp2.Z; z++)
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for (s16 y = bp1.Y; y <= bp2.Y; y++)
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for (s16 x = bp1.X; x <= bp2.X; x++) {
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map->emergeBlock(v3s16(x, y, z));
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}
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}
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return 0;
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}
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// emerge_area(p1, p2, [callback, context])
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// emerge mapblocks in area p1..p2, calls callback with context upon completion
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int ModApiEnvMod::l_emerge_area(lua_State *L)
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@ -1287,6 +1311,7 @@ void ModApiEnvMod::Initialize(lua_State *L, int top)
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API_FCT(find_nodes_in_area);
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API_FCT(find_nodes_in_area_under_air);
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API_FCT(fix_light);
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API_FCT(load_area);
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API_FCT(emerge_area);
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API_FCT(delete_area);
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API_FCT(get_perlin);
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@ -135,6 +135,9 @@ private:
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// fix_light(p1, p2) -> true/false
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static int l_fix_light(lua_State *L);
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// load_area(p1)
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static int l_load_area(lua_State *L);
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// emerge_area(p1, p2)
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static int l_emerge_area(lua_State *L);
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