mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-09-17 18:38:33 +02:00
64 lines
1.8 KiB
Lua
64 lines
1.8 KiB
Lua
local wea_c = worldeditadditions_core
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local position_entities = {}
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--- Ensures that a table exists for the given player.
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-- @param player_name string The name of the player to check.
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local function ensure_player(player_name)
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if player_name == nil then
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minetest.log("error", "[wea core:pos_manage:ensure_player] player_name is nil")
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end
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if not position_entities[player_name] then
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position_entities[player_name] = {}
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end
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end
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local function do_create(event)
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ensure_player(event.player_name)
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local new_entity = wea_c.entities.pos_marker.create(
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event.player_name,
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event.pos,
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event.i
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)
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position_entities[event.player_name][event.i] = new_entity
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end
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wea_c.pos:addEventListener("push", function(event)
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do_create(event)
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end)
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wea_c.pos:addEventListener("pop", function(event)
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ensure_player(event.player_name)
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if not position_entities[event.player_name][event.i] then return end
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wea_c.entities.pos_marker.delete(
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position_entities[event.player_name][event.i]
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)
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position_entities[event.player_name][event.i] = nil
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end)
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wea_c.pos:addEventListener("set", function(event)
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ensure_player(event.player_name)
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-- Delete the old one, if it exists
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-- This is safer than attempting to reuse an entity that might not exist
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if position_entities[event.player_name][event.i] then
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wea_c.entities.pos_marker.delete(
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position_entities[event.player_name][event.i]
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)
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position_entities[event.player_name][event.i] = nil
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end
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do_create(event) -- This works because the event obj for push and set is identical
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end)
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wea_c.pos:addEventListener("clear", function(event)
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ensure_player(event.player_name)
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if #position_entities[event.player_name] > 0 then
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for _, entity in pairs(position_entities[event.player_name]) do
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wea_c.entities.pos_marker.delete(entity)
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end
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end
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position_entities[event.player_name] = nil
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end) |