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local _ENV = mkmodule('plugins.burrow')

local argparse = require('argparse')

local overlay = require('plugins.overlay')

local widgets = require('gui.widgets')

---------------------------------

-- BurrowDesignationOverlay

--

local selection_rect = df.global.selection_rect

local if_burrow = df.global.game.main_interface.burrow

local function is_choosing_area(pos)

return if_burrow.doing_rectangle and

selection_rect.start_z >= 0 and

(pos or dfhack.gui.getMousePos())

end

local function reset_selection_rect()

selection_rect.start_x = -30000

selection_rect.start_y = -30000

selection_rect.start_z = -30000

end

local function clamp(pos)

return xyz2pos(

math.max(0, math.min(df.global.world.map.x_count-1, pos.x)),

math.max(0, math.min(df.global.world.map.y_count-1, pos.y)),

math.max(0, math.min(df.global.world.map.z_count-1, pos.z)))

end

local function get_bounds(pos1, pos2)

pos1 = clamp(pos1 or dfhack.gui.getMousePos(true))

pos2 = clamp(pos2 or xyz2pos(selection_rect.start_x, selection_rect.start_y, selection_rect.start_z))

return {

x1=math.min(pos1.x, pos2.x),

x2=math.max(pos1.x, pos2.x),

y1=math.min(pos1.y, pos2.y),

y2=math.max(pos1.y, pos2.y),

z1=math.min(pos1.z, pos2.z),

z2=math.max(pos1.z, pos2.z),

}

end

local function get_cur_area_dims()

local bounds = get_bounds()

return bounds.x2 - bounds.x1 + 1,

bounds.y2 - bounds.y1 + 1,

bounds.z2 - bounds.z1 + 1

end

BurrowDesignationOverlay = defclass(BurrowDesignationOverlay, overlay.OverlayWidget)

BurrowDesignationOverlay.ATTRS{

desc='Adds flood fill and 3D box select functionality to burrow designations.',

default_pos={x=6,y=9},

viewscreens='dwarfmode/Burrow/Paint',

default_enabled=true,

frame={w=53, h=1},

}

function BurrowDesignationOverlay:init()

self:addviews{

widgets.BannerPanel{

frame={t=0, l=0},

subviews={

widgets.CycleHotkeyLabel{

view_id='fill',

frame={t=0, l=1, r=1},

key='CUSTOM_CTRL_F',

label='Flood fill on double click:',

options={

{label='Off', value='off', pen=COLOR_RED},

{label='2D fill enabled', value='2d', pen=COLOR_GREEN},

{label='3D fill enabled', value='3d', pen=COLOR_LIGHTGREEN},

},

},

},

},

}

end

local function flood_fill(pos, erasing, do_3d, painting_burrow)

local opts = {zlevel=not do_3d}

if erasing then

burrow_tiles_flood_remove(painting_burrow, pos, opts)

else

burrow_tiles_flood_add(painting_burrow, pos, opts)

end

reset_selection_rect()

end

function BurrowDesignationOverlay:onInput(keys)

if self:inputToSubviews(keys) then

return true

-- don't perform burrow modifications immediately -- painting_burrow may not yet

-- have been initialized. instead, allow clicks to go through so that vanilla

-- behavior is triggered before we modify the burrow further

elseif keys._MOUSE_L then

local pos = dfhack.gui.getMousePos(true)

if pos then

local fill = self.subviews.fill:getOptionValue()

local now_ms = dfhack.getTickCount()

if not same_xyz(pos, self.saved_pos) then

self.last_click_ms = now_ms

self.saved_pos = pos

elseif fill ~= 'off' then

if now_ms - self.last_click_ms <= widgets.DOUBLE_CLICK_MS then

self.last_click_ms = 0

local do_3d = fill == '3d'

self.pending_fn = curry(flood_fill, pos, if_burrow.erasing, do_3d)

return

else

self.last_click_ms = now_ms

end

end

if is_choosing_area(pos) then

self.last_click_ms = 0

return

end

end

end

end

function BurrowDesignationOverlay:onRenderBody(dc)

BurrowDesignationOverlay.super.onRenderBody(self, dc)

local pending_fn = self.pending_fn

self.pending_fn = nil

if pending_fn and if_burrow.painting_burrow then

pending_fn(if_burrow.painting_burrow)

end

end

OVERLAY_WIDGETS = {

designation=BurrowDesignationOverlay,

}

rawset_default(_ENV, dfhack.burrows)

---------------------------------

-- commandline handling

--

local function set_add_remove(mode, which, params, _)

local target_burrow = table.remove(params, 1)

_ENV[('burrow_%s_%s'):format(mode, which)](target_burrow, params)

end

local function tiles_box_add_remove(which, params, opts)

local target_burrow = table.remove(params, 1)

local pos1 = argparse.coords(params[1] or 'here', 'pos')

local pos2 = opts.cursor or argparse.coords(params[2] or 'here', 'pos')

local bounds = get_bounds(pos1, pos2)

_ENV['burrow_tiles_box_'..which](target_burrow, bounds)

end

local function tiles_flood_add_remove(which, params, opts)

local target_burrow = table.remove(params, 1)

local pos = opts.cursor or argparse.coords('here', 'pos')

_ENV['burrow_tiles_flood_'..which](target_burrow, pos, opts)

end

local function run_command(mode, command, params, opts)

if mode == 'tiles' then

if command == 'clear' then

burrow_tiles_clear(params)

elseif command == 'set' or command == 'add' or command == 'remove' then

set_add_remove('tiles', command, params, opts)

elseif command == 'box-add' or command == 'box-remove' then

tiles_box_add_remove(command:sub(5), params, opts)

elseif command == 'flood-add' or command == 'flood-remove' then

tiles_flood_add_remove(command:sub(7), params, opts)

else

return false

end

elseif mode == 'units' then

if command == 'clear' then

burrow_units_clear(params)

elseif command == 'set' or command == 'add' or command == 'remove' then

set_add_remove('units', command, params, opts)

else

return false

end

else

return false

end

return true

end

function parse_commandline(...)

local args, opts = {...}, {}

if args[1] == 'help' then

return false

end

local positionals = argparse.processArgsGetopt(args, {

{'c', 'cursor', hasArg=true,

handler=function(optarg) opts.cursor = argparse.coords(optarg, 'cursor') end},

{'h', 'help', handler=function() opts.help = true end},

{'z', 'cur-zlevel', handler=function() opts.zlevel = true end},

})

if opts.help then

return false

end

local mode = table.remove(positionals, 1)

local command = table.remove(positionals, 1)

local ret = run_command(mode, command, positionals, opts)

if not ret then return false end

print('done')

return true

end

return _ENV