69 lines
2.0 KiB
Lua
69 lines
2.0 KiB
Lua
local playback_active = false
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local function get_cache_key(id, rotation)
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return id .. "/" .. rotation
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end
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local function playback(ctx)
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-- shift
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ctx.i = ctx.i + 1
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-- pick next entry
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local entry = ctx.recording.entries[ctx.i]
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if not entry then
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minetest.chat_send_player(ctx.playername, "pnp playback done with " .. (ctx.i-1) .. " entries")
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playback_active = false
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return
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end
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if ctx.i % 10 == 0 then
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-- status update
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minetest.chat_send_player(ctx.playername, "pnp playback: entry " .. ctx.i .. "/" .. #ctx.recording.entries)
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end
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if entry.type == "place" then
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local tmpl = pick_and_place.get_template(entry.id)
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if tmpl then
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local key = get_cache_key(entry.id, entry.rotation)
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local schematic = ctx.cache[key]
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if not schematic then
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-- cache schematic with rotation
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schematic = pick_and_place.serialize(tmpl.pos1, tmpl.pos2)
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pick_and_place.schematic_rotate(schematic, entry.rotation)
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ctx.cache[key] = schematic
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end
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-- resolve absolute position
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local abs_pos1 = vector.add(ctx.origin, entry.pos1)
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pick_and_place.deserialize(abs_pos1, schematic)
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else
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minetest.chat_send_player(ctx.playername, "pnp playback: template not found: '" .. entry.id .. "'")
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end
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elseif entry.type == "remove" then
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local abs_pos1 = vector.add(ctx.origin, entry.pos1)
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local abs_pos2 = vector.add(ctx.origin, entry.pos2)
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pick_and_place.remove_area(abs_pos1, abs_pos2)
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end
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-- re-schedule
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minetest.after(0, playback, ctx)
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end
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function pick_and_place.start_playback(playername, origin, recording)
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if playback_active then
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return false, "playback already running"
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end
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playback({
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playername = playername,
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origin = origin,
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recording = recording,
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i = 0,
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cache = {}
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})
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return true, "playback started"
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end
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