Ignite tnt minecart by fire charge

mods/ENTITIES/mcl_minecarts/init.lua

@@ -23,12 +23,16 @@ local function detach_driver(self)
 	end
 end
 
-local function activate_tnt_minecart(self)
+local function activate_tnt_minecart(self, timer)
 	if self._boomtimer then
 		return
 	end
 	self.object:set_armor_groups({immortal=1})
-	self._boomtimer = tnt.BOOMTIMER
+	if timer then
+		self._boomtimer = timer
+	else
+		self._boomtimer = tnt.BOOMTIMER
+	end
 	self.object:set_properties({textures = {
 		"mcl_tnt_blink.png",
 		"mcl_tnt_blink.png",
@@ -600,7 +604,7 @@ register_minecart(
 	S("Minecarts can be used for a quick transportion on rails.") .. "\n" ..
 	S("Minecarts only ride on rails and always follow the tracks. At a T-junction with no straight way ahead, they turn left. The speed is affected by the rail type."),
 	S("You can place the minecart on rails. Right-click it to enter it. Punch it to get it moving.") .. "\n" ..
-	S("To obtain the minecart, punch it while holding down the sneak key.") .. "\n"
+	S("To obtain the minecart, punch it while holding down the sneak key.") .. "\n" ..
 	S("If it moves over a powered activator rail, you'll get ejected."),
 	"mcl_minecarts_minecart.b3d",
 	{"mcl_minecarts_minecart.png"},

mods/ENTITIES/mcl_mobs/api.lua

@@ -3605,6 +3605,7 @@ function mobs:register_arrow(name, def)
 		hit_player = def.hit_player,
 		hit_node = def.hit_node,
 		hit_mob = def.hit_mob,
+		hit_object = def.hit_object,
 		drop = def.drop or false, -- drops arrow as registered item when true
 		collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows
 		timer = 0,
@@ -3671,7 +3672,7 @@ function mobs:register_arrow(name, def)
 				end
 			end
 
-			if self.hit_player or self.hit_mob then
+			if self.hit_player or self.hit_mob or self.hit_object then
 
 				for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.0)) do
 
@@ -3690,11 +3691,18 @@ function mobs:register_arrow(name, def)
 					and entity._cmi_is_mob == true
 					and tostring(player) ~= self.owner_id
 					and entity.name ~= self.object:get_luaentity().name then
-
 						self.hit_mob(self, player)
-
 						self.object:remove();
+						return
+					end
 
+					if entity
+					and self.hit_object
+					and (not entity._cmi_is_mob)
+					and tostring(player) ~= self.owner_id
+					and entity.name ~= self.object:get_luaentity().name then
+						self.hit_object(self, player)
+						self.object:remove();
 						return
 					end
 				end

mods/ENTITIES/mcl_mobs/api.txt

@@ -428,6 +428,9 @@ This function registers a arrow for mobs with the attack type shoot.
        'hit_mob'      a function that is called when the arrow hits a mob;
                       this function should hurt the mob, the parameters are
                       (self, mob)
+       'hit_object'   a function that is called when the arrow hits an object
+                      that is neither a player nor a mob. this function should
+                      hurt the object, the parameters are (self, object)
        'hit_node'     a function that is called when the arrow hits a node, the
                       parameters are (self, pos, node)
        'tail'         when set to 1 adds a trail or tail to mob arrows

mods/ENTITIES/mobs_mc/blaze.lua

@@ -95,6 +95,15 @@ mobs:register_arrow("mobs_mc:blaze_fireball", {
 		}, nil)
 	end,
 
+	hit_object = function(self, object)
+		local lua = object:get_luaentity()
+		if lua then
+			if lua.name == "mcl_minecarts:tnt_minecart" then
+				lua:on_activate_by_rail(2)
+			end
+		end
+	end,
+
 	-- Node hit, make fire
 	hit_node = function(self, pos, node)
 		if node.name == "air" then