diff options
author | kwolekr <kwolekr@minetest.net> | 2015-09-23 00:31:45 -0400 |
---|---|---|
committer | kwolekr <kwolekr@minetest.net> | 2015-09-23 15:56:24 -0400 |
commit | f062bbd7a182233f96c61287d0397534811627d9 (patch) | |
tree | df3d2252f8bbb9975669c7920b57dce2fb3d3df6 /builtin | |
parent | 596484da4fcd301e597a851a9a54b6dc276a286a (diff) | |
download | minetest-f062bbd7a182233f96c61287d0397534811627d9.tar.gz minetest-f062bbd7a182233f96c61287d0397534811627d9.tar.bz2 minetest-f062bbd7a182233f96c61287d0397534811627d9.zip |
Add /emergeblocks command and core.emerge_area() Lua API
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/common/misc_helpers.lua | 30 | ||||
-rw-r--r-- | builtin/game/chatcommands.lua | 70 | ||||
-rw-r--r-- | builtin/game/misc.lua | 19 |
3 files changed, 90 insertions, 29 deletions
diff --git a/builtin/common/misc_helpers.lua b/builtin/common/misc_helpers.lua index bf672e6da..08a230431 100644 --- a/builtin/common/misc_helpers.lua +++ b/builtin/common/misc_helpers.lua @@ -555,6 +555,36 @@ assert(core.string_to_pos("( 10.0, 5, -2)").z == -2) assert(core.string_to_pos("asd, 5, -2)") == nil) -------------------------------------------------------------------------------- +function core.string_to_area(value) + local p1, p2 = unpack(value:split(") (")) + if p1 == nil or p2 == nil then + return nil + end + + p1 = core.string_to_pos(p1 .. ")") + p2 = core.string_to_pos("(" .. p2) + if p1 == nil or p2 == nil then + return nil + end + + return p1, p2 +end + +local function test_string_to_area() + local p1, p2 = core.string_to_area("(10.0, 5, -2) ( 30.2, 4, -12.53)") + assert(p1.x == 10.0 and p1.y == 5 and p1.z == -2) + assert(p2.x == 30.2 and p2.y == 4 and p2.z == -12.53) + + p1, p2 = core.string_to_area("(10.0, 5, -2 30.2, 4, -12.53") + assert(p1 == nil and p2 == nil) + + p1, p2 = core.string_to_area("(10.0, 5,) -2 fgdf2, 4, -12.53") + assert(p1 == nil and p2 == nil) +end + +test_string_to_area() + +-------------------------------------------------------------------------------- function table.copy(t, seen) local n = {} seen = seen or {} diff --git a/builtin/game/chatcommands.lua b/builtin/game/chatcommands.lua index 5d317de4b..883aaef4b 100644 --- a/builtin/game/chatcommands.lua +++ b/builtin/game/chatcommands.lua @@ -51,6 +51,27 @@ core.register_on_chat_message(function(name, message) return true -- Handled chat message end) +-- Parses a "range" string in the format of "here (number)" or +-- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors +local function parse_range_str(player_name, str) + local p1, p2 + local args = str:split(" ") + + if args[1] == "here" then + p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2])) + if p1 == nil then + return false, "Unable to get player " .. player_name .. " position" + end + else + p1, p2 = core.string_to_area(str) + if p1 == nil then + return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)" + end + end + + return p1, p2 +end + -- -- Chat commands -- @@ -415,40 +436,31 @@ core.register_chatcommand("set", { end, }) -core.register_chatcommand("deleteblocks", { +core.register_chatcommand("emergeblocks", { params = "(here [radius]) | (<pos1> <pos2>)", - description = "delete map blocks contained in area pos1 to pos2", + description = "starts loading (or generating, if inexistent) map blocks " + .. "contained in area pos1 to pos2", privs = {server=true}, func = function(name, param) - local p1 = {} - local p2 = {} - local args = param:split(" ") - if args[1] == "here" then - local player = core.get_player_by_name(name) - if player == nil then - core.log("error", "player is nil") - return false, "Unable to get current position; player is nil" - end - p1 = player:getpos() - p2 = p1 - - if #args >= 2 then - local radius = tonumber(args[2]) or 0 - p1 = vector.add(p1, radius) - p2 = vector.subtract(p2, radius) - end - else - local pos1, pos2 = unpack(param:split(") (")) - if pos1 == nil or pos2 == nil then - return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)" - end + local p1, p2 = parse_range_str(name, param) + if p1 == false then + return false, p2 + end - p1 = core.string_to_pos(pos1 .. ")") - p2 = core.string_to_pos("(" .. pos2) + core.emerge_area(p1, p2) + return true, "Started emerge of area ranging from " .. + core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1) + end, +}) - if p1 == nil or p2 == nil then - return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)" - end +core.register_chatcommand("deleteblocks", { + params = "(here [radius]) | (<pos1> <pos2>)", + description = "delete map blocks contained in area pos1 to pos2", + privs = {server=true}, + func = function(name, param) + local p1, p2 = parse_range_str(name, param) + if p1 == false then + return false, p2 end if core.delete_area(p1, p2) then diff --git a/builtin/game/misc.lua b/builtin/game/misc.lua index e3b7d82bc..dee419767 100644 --- a/builtin/game/misc.lua +++ b/builtin/game/misc.lua @@ -109,6 +109,25 @@ function core.get_connected_players() return temp_table end +-- Returns two position vectors representing a box of `radius` in each +-- direction centered around the player corresponding to `player_name` +function core.get_player_radius_area(player_name, radius) + local player = core.get_player_by_name(player_name) + if player == nil then + return nil + end + + local p1 = player:getpos() + local p2 = p1 + + if radius then + p1 = vector.subtract(p1, radius) + p2 = vector.add(p2, radius) + end + + return p1, p2 +end + function core.hash_node_position(pos) return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768 end |