Add flame enchantment

mods/ENTITIES/mcl_burning/engine.lua

@@ -37,15 +37,21 @@ function mcl_burning.is_affected_by_rain(obj)
 	return mcl_weather.get_weather() == "rain" and mcl_weather.is_outdoor(obj:get_pos())
 end
 
-function mcl_burning.get_collisionbox(obj)
+function mcl_burning.get_collisionbox(obj, smaller)
 	local box = obj:get_properties().collisionbox
-	return vector.new(box[1], box[2], box[3]), vector.new(box[4], box[5], box[6])
+	local minp, maxp = vector.new(box[1], box[2], box[3]), vector.new(box[4], box[5], box[6])
+	if smaller then
+		local s_vec = vector.new(0.1, 0.1, 0.1)
+		minp = vector.add(minp, s_vec)
+		maxp = vector.subtract(maxp, s_vec)
+	end
+	return minp, maxp
 end
 
 function mcl_burning.get_touching_nodes(obj, nodenames)
 	local pos = obj:get_pos()
 	local box = obj:get_properties().collisionbox
-	local minp, maxp = mcl_burning.get_collisionbox(obj)
+	local minp, maxp = mcl_burning.get_collisionbox(obj, true)
 	local nodes = minetest.find_nodes_in_area(vector.add(pos, minp), vector.add(pos, maxp), nodenames)
 	return nodes
 end

mods/ITEMS/mcl_bows/arrow.lua

@@ -83,6 +83,7 @@ local ARROW_ENTITY={
 	textures = {"mcl_bows:arrow_box"},
 	collisionbox = {-0.19, -0.125, -0.19, 0.19, 0.125, 0.19},
 	collide_with_objects = false,
+	_fire_damage_resistant = true,
 
 	_lastpos={},
 	_startpos=nil,
@@ -105,6 +106,7 @@ local spawn_item = function(self, pos)
 		item:set_velocity({x=0, y=0, z=0})
 		item:set_yaw(self.object:get_yaw())
 	end
+	mcl_burning.extinguish(self.object)
 	self.object:remove()
 end
 
@@ -131,6 +133,8 @@ local damage_particles = function(pos, is_critical)
 end
 
 ARROW_ENTITY.on_step = function(self, dtime)
+	mcl_burning.tick(self.object, dtime)
+
 	local pos = self.object:get_pos()
 	local dpos = table.copy(pos) -- digital pos
 	dpos = vector.round(dpos)
@@ -140,6 +144,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 		self._stucktimer = self._stucktimer + dtime
 		self._stuckrechecktimer = self._stuckrechecktimer + dtime
 		if self._stucktimer > ARROW_TIMEOUT then
+			mcl_burning.extinguish(self.object)
 			self.object:remove()
 			return
 		end
@@ -171,6 +176,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 						}, true)
 					end
 				end
+				mcl_burning.extinguish(self.object)
 				self.object:remove()
 				return
 			end
@@ -232,6 +238,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 							local def = minetest.registered_nodes[nn]
 							if (not def) or def.walkable then
 								-- There's a node in the way. Delete arrow without damage
+								mcl_burning.extinguish(self.object)
 								self.object:remove()
 								return
 							end
@@ -244,6 +251,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 							armor.last_damage_types[obj:get_player_name()] = "projectile"
 						end
 						damage_particles(self.object:get_pos(), self._is_critical)
+						mcl_burning.set_on_fire(obj, 4)
 						obj:punch(self.object, 1.0, {
 							full_punch_interval=1.0,
 							damage_groups={fleshy=self._damage},
@@ -271,6 +279,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 					end
 					minetest.sound_play({name="mcl_bows_hit_other", gain=0.3}, {pos=self.object:get_pos(), max_hear_distance=16}, true)
 				end
+				mcl_burning.extinguish(self.object)
 				self.object:remove()
 				return
 			end
@@ -403,6 +412,7 @@ ARROW_ENTITY.on_activate = function(self, staticdata, dtime_s)
 				-- If yes, delete it.
 				self._stucktimer = minetest.get_gametime() - data.stuckstarttime
 				if self._stucktimer > ARROW_TIMEOUT then
+					mcl_burning.extinguish(self.object)
 					self.object:remove()
 					return
 				end

mods/ITEMS/mcl_bows/bow.lua

@@ -50,6 +50,9 @@ mcl_bows.shoot_arrow = function(arrow_item, pos, dir, yaw, shooter, power, damag
 		if enchantments.punch then
 			knockback = enchantments.punch * 3
 		end
+		if enchantments.flame then
+			mcl_burning.set_on_fire(obj, math.huge)
+		end
 	end
 	obj:set_velocity({x=dir.x*power, y=dir.y*power, z=dir.z*power})
 	obj:set_acceleration({x=0, y=-GRAVITY, z=0})

mods/ITEMS/mcl_enchanting/enchantments.lua

@@ -240,8 +240,7 @@ mcl_enchanting.enchantments.fire_protection = {
 	inv_tool_tab = false,
 }
 
--- requires missing MineClone2 feature
---[[mcl_enchanting.enchantments.flame = {
+mcl_enchanting.enchantments.flame = {
 	name = S("Flame"),
 	max_level = 1,
 	primary = {bow = true},
@@ -257,7 +256,7 @@ mcl_enchanting.enchantments.fire_protection = {
 	power_range_table = {{20, 50}},
 	inv_combat_tab = true,
 	inv_tool_tab = false,
-}]]--
+}
 
 -- implemented in mcl_item_entity
 mcl_enchanting.enchantments.fortune = {