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authorMidgard <M1dgard@users.noreply.github.com>2018-05-28 16:00:42 +0000
committerLoïc Blot <nerzhul@users.noreply.github.com>2018-05-28 18:00:42 +0200
commit67ed56be3b5cc674ee9d42ccef409952b5e0c362 (patch)
tree079433769838619026836b972a553292ebeac86c /src/convert_json.h
parenta78659ed0529226ad937f5e241ad72ba93702959 (diff)
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Print error when HOME is not set (#7376)
In some configurations, such as when using the runit supervisor and its tool chpst, the HOME variable might be unset. This resulted in an unclear error message that was hard to pin down.
Diffstat (limited to 'src/convert_json.h')
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generated by cgit v1.2.3 (git 2.39.1) at 2025-06-06 01:44:07 +0000
#n108'>108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 
--couple.lua
--defines couple entities.

--advtrains:discouple
--set into existing trains to split them when punched.
--they are attached to the wagons.
--[[fields
wagon

wagons keep their couple entity minetest-internal id inside the field discouple_id. if it refers to nowhere, they will spawn a new one if player is near
]]


minetest.register_entity("advtrains:discouple", {
	visual="sprite",
	textures = {"advtrains_discouple.png"},
	collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
	visual_size = {x=1, y=1},
	initial_sprite_basepos = {x=0, y=0},
	
	is_discouple=true,
	on_activate=function(self, staticdata) 
		if staticdata=="DISCOUPLE" then
			--couple entities have no right to exist further...
			self.object:remove()
			return
		end
		self.object:set_armor_groups({immortal=1})
	end,
	get_staticdata=function() return "DISCOUPLE" end,
	on_punch=function(self, player)
		--only if player owns at least one wagon next to this
		local own=player:get_player_name()
		if self.wagon.owner and self.wagon.owner==own then
			local train=advtrains.trains[self.wagon.train_id]
			local nextwgn_id=train.trainparts[self.wagon.pos_in_trainparts-1]
			for aoi, le in pairs(minetest.luaentities) do
				if le and le.is_wagon then
					if le.unique_id==nextwgn_id then
						if le.owner and le.owner~=own then
							minetest.chat_send_player(own, "You need to own at least one neighboring wagon to destroy this couple.")
							return
						end
					end
				end
			end
			advtrains.split_train_at_wagon(self.wagon)--found in trainlogic.lua
			self.object:remove()
		else
			minetest.chat_send_player(own, "You need to own at least one neighboring wagon to destroy this couple.")
		end
	end,
	on_step=function(self, dtime)
		local t=os.clock()
		if not self.wagon then
			self.object:remove()
			return
		end
		--getyaw seems to be a reliable method to check if an object is loaded...if it returns nil, it is not.
		if not self.wagon.object:getyaw() then
			self.object:remove()
			return
		end
		local velocityvec=self.wagon.object:getvelocity()
		self.updatepct_timer=(self.updatepct_timer or 0)-dtime