Extex101/light_tool-cd2025
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Extex101 2021-10-25 17:56:31 -07:00 committed by GitHub
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commit e4ea1c1a59
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1 changed files with 17 additions and 12 deletions
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api.lua
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@ -10,25 +10,30 @@ light_tool.lit_nodes = {}
light_tool.light_beam = function(pos, dir, range) light_tool.light_beam = function(pos, dir, range)
-- Normalize dir to have longest component == 1. -- Normalize dir to have longest component == 1.
local normalized_dir = vector.divide(dir, math.max(math.abs(dir.x), math.abs(dir.y), math.abs(dir.z), 0.01)) local normalized_dir = vector.divide(dir, math.max(math.abs(dir.x), math.abs(dir.y), math.abs(dir.z), 0.01))
for i = 0, math.floor(range / vector.length(normalized_dir)) do for i = 0, math.floor(range / vector.length(normalized_dir)) do
local new_pos = vector.add(pos, vector.multiply(normalized_dir, i)) local new_pos = vector.add(pos, vector.multiply(normalized_dir, i))
local node = minetest.get_node(new_pos) local node = minetest.get_node_or_nil(new_pos)
if not node or not node.name then
return
end
local def = minetest.registered_nodes[node.name]
if not def then return end
local lightable = light_tool.check(light_tool.lightable_nodes, node.name) local lightable = light_tool.check(light_tool.lightable_nodes, node.name)
local lightable_index = light_tool.check_index(light_tool.lightable_nodes, node.name) local lightable_index = light_tool.check_index(light_tool.lightable_nodes, node.name)
local lit = light_tool.check(light_tool.lit_nodes, node.name) local lit = light_tool.check(light_tool.lit_nodes, node.name)
if node.name == "air" or node.name == "light_tool:light" then if node.name == "air" or node.name == "light_tool:light" then
minetest.set_node(new_pos, {name = "light_tool:light"}) minetest.set_node(new_pos, {name = "light_tool:light"})
elseif lightable or node.name == lit then elseif lightable or node.name == lit then
local index = light_tool.check_index(light_tool.lightable_nodes, node.name) local index = light_tool.check_index(light_tool.lightable_nodes, node.name)
minetest.set_node(new_pos, {name = light_tool.lightable_nodes[index].."_glowing"}) minetest.set_node(new_pos, {name = light_tool.lightable_nodes[index].."_glowing"})
elseif node.name and minetest.registered_nodes[node.name].sunlight_propagates == false and not lightable and not lit then elseif def and def.sunlight_propagates == false and not lightable and not lit then
break break
end end
end end
end end
light_tool.add_tool = function(toolname, range) light_tool.add_tool = function(toolname, range)