diff options
Diffstat (limited to 'worldedit/cuboid.lua')
-rw-r--r-- | worldedit/cuboid.lua | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/worldedit/cuboid.lua b/worldedit/cuboid.lua new file mode 100644 index 0000000..ce20761 --- /dev/null +++ b/worldedit/cuboid.lua @@ -0,0 +1,258 @@ +-- Expands or contracts the cuboid in all axes by amount (positive or negative) +worldedit.cuboid_volumetric_expand = function(name, amount) + local pos1 = worldedit.pos1[name] + local pos2 = worldedit.pos2[name] + + if pos1 == nil or pos2 == nil then + return false, "Undefined cuboid" + end + + local delta1 = vector.new() + local delta2 = vector.new() + local delta_dir1 + local delta_dir2 + + delta1 = vector.add(delta1, amount) + delta2 = vector.add(delta2, amount) + delta_dir1, delta_dir2 = worldedit.get_expansion_directions(pos1, pos2) + delta1 = vector.multiply(delta1, delta_dir1) + delta2 = vector.multiply(delta2, delta_dir2) + worldedit.pos1[name] = vector.add(pos1, delta1) + worldedit.pos2[name] = vector.add(pos2, delta2) + + return true +end + + +-- Expands or contracts the cuboid in a single axis by amount (positive or negative) +worldedit.cuboid_linear_expand = function(name, axis, direction, amount) + local pos1 = worldedit.pos1[name] + local pos2 = worldedit.pos2[name] + + if pos1 == nil or pos2 == nil then + return false, "undefined cuboid" + end + + if direction ~= 1 and direction ~= -1 then + return false, "invalid marker" + end + + local marker = worldedit.marker_get_closest_to_axis(name, axis, direction) + local deltavect = vector.new() + + if axis == 'x' then + deltavect.x = amount * direction + elseif axis == 'y' then + deltavect.y = amount * direction + elseif axis == 'z' then + deltavect.z = amount * direction + else + return false, "invalid axis" + end + + worldedit.marker_move(name, marker, deltavect) + return true +end + + +-- Shifts the cuboid by '+-amount' in axis 'axis' +worldedit.cuboid_shift = function(name, axis, amount) + local pos1 = worldedit.pos1[name] + local pos2 = worldedit.pos2[name] + + if pos1 == nil or pos2 == nil then + return false, "undefined cuboid" + end + + if axis == 'x' then + worldedit.pos1[name].x = pos1.x + amount + worldedit.pos2[name].x = pos2.x + amount + elseif axis == 'y' then + worldedit.pos1[name].y = pos1.y + amount + worldedit.pos2[name].y = pos2.y + amount + elseif axis == 'z' then + worldedit.pos1[name].z = pos1.z + amount + worldedit.pos2[name].z = pos2.z + amount + else + return false, "invalid axis" + end + + return true +end + + +-- Moves the location of a single marker by adding deltavector +worldedit.marker_move = function(name, marker, deltavector) + if marker ~= 1 and marker ~= 2 then + return false + end + + if marker == 1 then + local pos = worldedit.pos1[name] + worldedit.pos1[name] = vector.add(deltavector, pos) + else + local pos = worldedit.pos2[name] + worldedit.pos2[name] = vector.add(deltavector, pos) + end + + return true +end + +-- Updates the location ingame of the markers +worldedit.marker_update = function(name, marker) + if marker == nil then + worldedit.mark_pos1(name) + worldedit.mark_pos2(name) + elseif marker == 1 then + worldedit.mark_pos1(name) + elseif marker == 2 then + worldedit.mark_pos2(name) + else + minetest.debug( + "worldedit: Invalid execution of function update_markers") + end +end + + +-- Returns two vectors with the directions for volumetric expansion +worldedit.get_expansion_directions = function(mark1, mark2) + if mark1 == nil or mark2 == nil then + return + end + local dir1 = vector.new() + local dir2 = vector.new() + + if mark1.x < mark2.x then + dir1.x = -1 + dir2.x = 1 + else + dir1.x = 1 + dir2.x = -1 + end + if mark1.y < mark2.y then + dir1.y = -1 + dir2.y = 1 + else + dir1.y = 1 + dir2.y = -1 + end + if mark1.z < mark2.z then + dir1.z = -1 + dir2.z = 1 + else + dir1.z = 1 + dir2.z = -1 + end + return dir1, dir2 +end + + +-- Return the marker that is closest to the player +worldedit.marker_get_closest_to_player = function(name) + local playerpos = minetest.get_player_by_name(name):getpos() + local dist1 = vector.distance(playerpos, worldedit.pos1[name]) + local dist2 = vector.distance(playerpos, worldedit.pos2[name]) + + if dist1 < dist2 then + return 1 + else + return 2 + end +end + + +-- Returns the closest marker to the specified axis and direction +worldedit.marker_get_closest_to_axis = function(name, axis, direction) + local pos1 = vector.new() + local pos2 = vector.new() + + if direction ~= 1 and direction ~= -1 then + return nil + end + + if axis == 'x' then + pos1.x = worldedit.pos1[name].x * direction + pos2.x = worldedit.pos2[name].x * direction + if pos1.x > pos2.x then + return 1 + else + return 2 + end + elseif axis == 'y' then + pos1.y = worldedit.pos1[name].y * direction + pos2.y = worldedit.pos2[name].y * direction + if pos1.y > pos2.y then + return 1 + else + return 2 + end + elseif axis == 'z' then + pos1.z = worldedit.pos1[name].z * direction + pos2.z = worldedit.pos2[name].z * direction + if pos1.z > pos2.z then + return 1 + else + return 2 + end + else + return nil + end +end + + +-- Translates up, down, left, right, front, back to their corresponding axes and +-- directions according to faced direction +worldedit.translate_direction = function(name, direction) + local axis, dir = worldedit.player_axis(name) + local resaxis, resdir + + if direction == "up" then + return 'y', 1 + end + + if direction == "down" then + return 'y', -1 + end + + if direction == "front" then + if axis == "y" then + resaxis = nil + resdir = nil + else + resaxis = axis + resdir = dir + end + end + + if direction == "back" then + if axis == "y" then + resaxis = nil + resdir = nil + else + resaxis = axis + resdir = -dir + end + end + + if direction == "left" then + if axis == 'x' then + resaxis = 'z' + resdir = dir + elseif axis == 'z' then + resaxis = 'x' + resdir = -dir + end + end + + if direction == "right" then + if axis == 'x' then + resaxis = 'z' + resdir = -dir + elseif axis == 'z' then + resaxis = 'x' + resdir = dir + end + end + + return resaxis, resdir +end
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