125 lines
3.5 KiB
Lua
125 lines
3.5 KiB
Lua
-- Verify item occupancy and block item list integrity.
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--
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-- Checks:
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-- 1) Item has flags.on_ground <=> it is in the correct block item list
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-- 2) A tile has items in block item list <=> it has occupancy.item
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-- 3) The block item lists are sorted.
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local utils = require 'utils'
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function check_block_items(fix)
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local cnt = 0
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local icnt = 0
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local found = {}
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local found_somewhere = {}
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local should_fix = false
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local can_fix = true
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for _,block in ipairs(df.global.world.map.map_blocks) do
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local itable = {}
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local bx,by,bz = pos2xyz(block.map_pos)
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-- Scan the block item vector
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local last_id = nil
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local resort = false
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for _,id in ipairs(block.items) do
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local item = df.item.find(id)
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local ix,iy,iz = pos2xyz(item.pos)
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local dx,dy,dz = ix-bx,iy-by,iz-bz
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-- Check sorted order
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if last_id and last_id >= id then
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print(bx,by,bz,last_id,id,'block items not sorted')
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resort = true
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else
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last_id = id
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end
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-- Check valid coordinates and flags
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if not item.flags.on_ground then
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print(bx,by,bz,id,dx,dy,'in block & not on ground')
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elseif dx < 0 or dx >= 16 or dy < 0 or dy >= 16 or dz ~= 0 then
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found_somewhere[id] = true
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print(bx,by,bz,id,dx,dy,dz,'invalid pos')
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can_fix = false
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else
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found[id] = true
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itable[dx + dy*16] = true;
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-- Check missing occupancy
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if not block.occupancy[dx][dy].item then
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print(bx,by,bz,dx,dy,'item & not occupied')
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if fix then
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block.occupancy[dx][dy].item = true
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else
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should_fix = true
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end
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end
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end
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end
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-- Sort the vector if needed
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if resort then
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if fix then
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utils.sort_vector(block.items)
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else
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should_fix = true
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end
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end
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icnt = icnt + #block.items
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-- Scan occupancy for spurious marks
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for x=0,15 do
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local ocx = block.occupancy[x]
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for y=0,15 do
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if ocx[y].item and not itable[x + y*16] then
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print(bx,by,bz,x,y,'occupied & no item')
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if fix then
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ocx[y].item = false
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else
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should_fix = true
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end
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end
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end
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end
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cnt = cnt + 256
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end
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-- Check if any items are missing from blocks
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for _,item in ipairs(df.global.world.items.all) do
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if item.flags.on_ground and not found[item.id] then
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can_fix = false
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if not found_somewhere[item.id] then
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print(id,item.pos.x,item.pos.y,item.pos.z,'on ground & not in block')
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end
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end
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end
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-- Report
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print(cnt.." tiles and "..icnt.." items checked.")
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if should_fix and can_fix then
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print("Use 'fix/item-occupancy --fix' to fix the listed problems.")
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elseif should_fix then
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print("The problems are too severe to be fixed by this script.")
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end
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end
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local opt = ...
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local fix = false
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if opt then
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if opt == '--fix' then
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fix = true
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else
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qerror('Invalid option: '..opt)
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end
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end
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print("Checking item occupancy - this will take a few seconds.")
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check_block_items(fix)
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