Add 3 more lua scripts.

scripts/devel/nuke-items.lua

@@ -0,0 +1,16 @@
+-- Deletes ALL items not held by units, buildings or jobs.
+--
+-- Intended solely for lag investigation.
+
+local count = 0
+
+for _,v in ipairs(df.global.world.items.all) do
+    if not (v.flags.in_building or v.flags.construction or v.flags.in_job
+            or dfhack.items.getGeneralRef(v,df.general_ref_type.UNIT_HOLDER))  then
+        count = count + 1
+        v.flags.forbid = true
+        v.flags.garbage_collect = true
+    end
+end
+
+print('Deletion requested: '..count)

scripts/fix/dead-units.lua

@@ -0,0 +1,29 @@
+-- Remove uninteresting dead units from the unit list.
+
+local units = df.global.world.units.active
+local dwarf_race = df.global.ui.race_id
+local dwarf_civ = df.global.ui.civ_id
+local count = 0
+
+for i=#units-1,0,-1 do
+    local unit = units[i]
+    local flags1 = unit.flags1
+    local flags2 = unit.flags2
+    if flags1.dead and unit.race ~= dwarf_race then
+        local remove = false
+        if flags2.slaughter then
+            remove = true
+        elseif not unit.name.has_name then
+            remove = true
+        elseif unit.civ_id ~= dwarf_civ and
+               not (flags1.merchant or flags1.diplomat) then
+            remove = true
+        end
+        if remove then
+            count = count + 1
+            units:erase(i)
+        end
+    end
+end
+
+print('Units removed from active: '..count)

scripts/fix/stable-temp.lua

@@ -0,0 +1,49 @@
+-- Reset item temperature to the value of their tile.
+
+local count = 0
+local types = {}
+
+local function update_temp(item,btemp)
+    if item.temperature ~= btemp then
+        count = count + 1
+        local tid = item:getType()
+        types[tid] = (types[tid] or 0) + 1
+    end
+    item.temperature = btemp
+    item.temperature_fraction = 0
+
+    if item.contaminants then
+        for _,c in ipairs(item.contaminants) do
+            c.temperature = btemp
+            c.temperature_fraction = 0
+        end
+    end
+
+    for _,sub in ipairs(dfhack.items.getContainedItems(item)) do
+        update_temp(sub,btemp)
+    end
+
+    item:checkTemperatureDamage()
+end
+
+local last_frame = df.global.world.frame_counter-1
+
+for _,item in ipairs(df.global.world.items.all) do
+    if item.flags.on_ground and df.item_actual:is_instance(item) and
+       item.temp_updated_frame == last_frame then
+        local pos = item.pos
+        local block = dfhack.maps.getTileBlock(pos)
+        if block then
+            update_temp(item, block.temperature_1[pos.x%16][pos.y%16])
+        end
+    end
+end
+
+print('Items updated: '..count)
+
+local tlist = {}
+for k,_ in pairs(types) do tlist[#tlist+1] = k end
+table.sort(tlist, function(a,b) return types[a] > types[b] end)
+for _,k in ipairs(tlist) do
+    print('    '..df.item_type[k]..':', types[k])
+end