[advtrains,...] nové optimální výběrové boxy pro všechny lokomotivy a vagony

1 files changed, 7 insertions, 5 deletions

diff --git a/advtrains/wagons.lua b/advtrains/wagons.lua
index 02e0709..c307d92 100644
--- a/advtrains/wagons.lua
+++ b/advtrains/wagons.lua
@@ -1351,12 +1351,14 @@ function advtrains.register_wagon(sysname_p, prototype, desc, inv_img, nincreati
 		sysname = "advtrains:"..sysname_p
 	end
 	ch_core.upgrade_entity_properties(prototype, {keep_fields = false, base_properties = wagon_base_initial_properties})
-	if prototype.initial_properties ~= nil and prototype.initial_properties.collisionbox ~= nil and prototype.initial_properties.selectionbox == nil then
-		local new_selection_box = table.copy(prototype.initial_properties.collisionbox)
-		if new_selection_box.rotate == nil then
-			new_selection_box.rotate = true
+	if prototype.initial_properties ~= nil then
+		local ip = prototype.initial_properties
+		if ip.selectionbox == nil or ip.selectionbox.rotate == nil then
+			assert(prototype.wagon_span ~= nil)
+			assert(type(prototype.wagon_span) == "number")
+			local wagon_span = prototype.wagon_span
+			ip.selectionbox = {-0.9, 0, -wagon_span + 0.25, 0.9, 2.25, wagon_span - 0.25, rotate = true}
 		end
-		prototype.initial_properties.selectionbox = new_selection_box
 	end
 	setmetatable(prototype, {__index=wagon})
 	minetest.register_entity(":"..sysname,prototype)