Implemented missing potion registering functionality

* improved support for custom (non-status) effects
* added support for splash potions
* added support for lingering potions
* added support for tipped arrows
* removed the old registration

mods/ITEMS/mcl_potions/lingering.lua

@@ -11,8 +11,8 @@ end
 
 local lingering_effect_at = {}
 
-local function add_lingering_effect(pos, color, def, is_water, instant)
+local function add_lingering_effect(pos, color, def, is_water, potency, plus)
-	lingering_effect_at[pos] = {color = color, timer = 30, def = def, is_water = is_water}
+	lingering_effect_at[pos] = {color = color, timer = 30, def = def, is_water = is_water, potency = potency, plus = plus}
 end
 
 local function linger_particles(pos, d, texture, color)
@@ -55,23 +55,52 @@ minetest.register_globalstep(function(dtime)
 			end
 			linger_particles(pos, d, texture, vals.color)
 
-			-- Extinguish fire if water bottle
+-- 			-- Extinguish fire if water bottle
-			if vals.is_water then
+-- 			if vals.is_water then
-				if mcl_potions._extinguish_nearby_fire(pos, d) then
+-- 				if mcl_potions._extinguish_nearby_fire(pos, d) then
-					vals.timer = vals.timer - 3.25
+-- 					vals.timer = vals.timer - 3.25
-				end
+-- 				end
+-- 			end
+
+			if vals.def.while_lingering and vals.def.while_lingering(pos, d, vals.potency+1) then
+				vals.timer = vals.timer - 3.25
 			end
 
 			-- Affect players and mobs
 			for _, obj in pairs(minetest.get_objects_inside_radius(pos, d)) do
 
 				local entity = obj:get_luaentity()
-				if obj:is_player() or entity.is_mob then
+				if obj:is_player() or entity and entity.is_mob then
+					local applied = false
+					if vals.def._effect_list then
+						local ef_level
+						local dur
+						for name, details in pairs(vals.def._effect_list) do
+							if details.uses_level then
+								ef_level = details.level + details.level_scaling * (vals.potency)
+							else
+								ef_level = details.level
+							end
+							if details.dur_variable then
+								dur = details.dur * math.pow(mcl_potions.PLUS_FACTOR, vals.plus)
+								if vals.potency>0 and details.uses_level then
+									dur = dur / math.pow(mcl_potions.POTENT_FACTOR, vals.potency)
+								end
+							else
+								dur = details.dur
+							end
+							dur = dur * mcl_potions.SPLASH_FACTOR
+							if mcl_potions.give_effect_by_level(name, obj, ef_level, dur) then
+								applied = true
+							end
+						end
+					end
 
-					vals.def.potion_fun(obj)
+					if vals.def.custom_effect and vals.def.custom_effect(obj, vals.potency+1) then
-					-- TODO: Apply timer penalty only if the potion effect was acutally applied
+						applied = true
-					vals.timer = vals.timer - 3.25
+					end
 
+					if applied then vals.timer = vals.timer - 3.25 end
 				end
 			end
 
@@ -87,31 +116,42 @@ end)
 
 
 function mcl_potions.register_lingering(name, descr, color, def)
-
 	local id = "mcl_potions:"..name.."_lingering"
-	local longdesc = def.longdesc
+	local longdesc = def._longdesc
 	if not def.no_effect then
-		longdesc = S("A throwable potion that will shatter on impact, where it creates a magic cloud that lingers around for a while. Any player or mob inside the cloud will receive the potion's effect, possibly repeatedly.")
+		longdesc = S("A throwable potion that will shatter on impact, where it creates a magic cloud that lingers around for a while. Any player or mob inside the cloud will receive the potion's effect or set of effects, possibly repeatedly.")
 		if def.longdesc then
-			longdesc = longdesc .. "\n" .. def.longdesc
+			longdesc = longdesc .. "\n" .. def._longdesc
 		end
 	end
 	minetest.register_craftitem(id, {
 		description = descr,
-		_tt_help = def.tt,
+		_tt_help = def._tt,
+		_dynamic_tt = def._dynamic_tt,
 		_doc_items_longdesc = longdesc,
 		_doc_items_usagehelp = S("Use the “Punch” key to throw it."),
+		stack_max = def.stack_max,
+		_effect_list = def._effect_list,
+		uses_level = def.uses_level,
+		has_potent = def.has_potent,
+		has_plus = def.has_plus,
+		_default_potent_level = def._default_potent_level,
+		_default_extend_level = def._default_extend_level,
 		inventory_image = lingering_image(color),
-		groups = {brewitem=1, not_in_creative_inventory=0, bottle=1},
+		groups = {brewitem=1, bottle=1, _mcl_potion=1},
 		on_use = function(item, placer, pointed_thing)
 			local velocity = 10
 			local dir = placer:get_look_dir();
 			local pos = placer:getpos();
 			minetest.sound_play("mcl_throwing_throw", {pos = pos, gain = 0.4, max_hear_distance = 16}, true)
 			local obj = minetest.add_entity({x=pos.x+dir.x,y=pos.y+2+dir.y,z=pos.z+dir.z}, id.."_flying")
-			obj:setvelocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
+			obj:set_velocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
-			obj:setacceleration({x=dir.x*-3, y=-9.8, z=dir.z*-3})
+			obj:set_acceleration({x=dir.x*-3, y=-9.8, z=dir.z*-3})
-			obj:get_luaentity()._thrower = placer:get_player_name()
+			local ent = obj:get_luaentity()
+			ent._thrower = placer:get_player_name()
+			ent._potency = item:get_meta():get_int("mcl_potions:potion_potent")
+			ent._plus = item:get_meta():get_int("mcl_potions:potion_plus")
+			ent._effect_list = def._effect_list
 			if not minetest.is_creative_enabled(placer:get_player_name()) then
 				item:take_item()
 			end
@@ -126,6 +166,10 @@ function mcl_potions.register_lingering(name, descr, color, def)
 			local velocity = 22
 			obj:set_velocity({x=dropdir.x*velocity,y=dropdir.y*velocity,z=dropdir.z*velocity})
 			obj:set_acceleration({x=dropdir.x*-3, y=-9.8, z=dropdir.z*-3})
+			local ent = obj:get_luaentity()
+			ent._potency = item:get_meta():get_int("mcl_potions:potion_potent")
+			ent._plus = item:get_meta():get_int("mcl_potions:potion_plus")
+			ent._effect_list = def._effect_list
 		end
 	})
 
@@ -148,7 +192,9 @@ function mcl_potions.register_lingering(name, descr, color, def)
 			end
 			if n ~= "air" and n ~= "mcl_portals:portal" and n ~= "mcl_portals:portal_end" and g == 0 or mcl_potions.is_obj_hit(self, pos) then
 				minetest.sound_play("mcl_potions_breaking_glass", {pos = pos, max_hear_distance = 16, gain = 1})
-				add_lingering_effect(pos, color, def, name == "water")
+				local potency = self._potency or 0
+				local plus = self._plus or 0
+				add_lingering_effect(pos, color, def, name == "water", potency, plus)
 				local texture
 				if name == "water" then
 					texture = "mcl_particles_droplet_bottle.png"
@@ -160,9 +206,7 @@ function mcl_potions.register_lingering(name, descr, color, def)
 					end
 				end
 				linger_particles(pos, d, texture, color)
-				if name == "water" then
+				if def.on_splash then def.on_splash(pos, potency+1) end
-					mcl_potions._extinguish_nearby_fire(pos, d)
-				end
 				self.object:remove()
 			end
 		end,

mods/ITEMS/mcl_potions/potions.lua

@@ -145,7 +145,7 @@ end
 -- stack_max - int - max stack size - defaults to 1
 -- image - string - name of a custom texture of the potion icon
 -- color - string - colorstring for potion icon when image is not defined - defaults to #0000FF
--- groups - table - item groups definition -
+-- groups - table - item groups definition for the regular potion, not splash or lingering -
 --   - must contain _mcl_potion=1 for tooltip to include dynamic_tt and effects
 --   - defaults to {brewitem=1, food=3, can_eat_when_full=1, _mcl_potion=1}
 -- _effect_list - table - all the effects dealt by the potion in the format of tables
@@ -168,10 +168,10 @@ end
 -- has_potent - bool - whether there is a potent (e.g. II) variant - defaults to the value of uses_level
 -- default_potent_level - int - potion level used for the default potent variant - defaults to 2
 -- default_extend_level - int - extention level (amount of +) used for the default extended variant - defaults to 1
--- custom_on_use - function(user, level) - called when the potion is drunk
+-- custom_on_use - function(user, level) - called when the potion is drunk, returns true on success
--- custom_effect - function(object, level) - called when the potion effects are applied
+-- custom_effect - function(object, level) - called when the potion effects are applied, returns true on success
--- custom_splash_effect - function(pos, level) - called when the splash potion explodes
+-- custom_splash_effect - function(pos, level) - called when the splash potion explodes, returns true on success
--- custom_linger_effect - function(pos, radius, level) - called on the lingering potion step
+-- custom_linger_effect - function(pos, radius, level) - called on the lingering potion step, returns true on success
 function mcl_potions.register_potion(def)
 	local modname = minetest.get_current_modname()
 	local name = def.name
@@ -201,25 +201,28 @@ function mcl_potions.register_potion(def)
 	local effect
 	local uses_level = false
 	local has_plus = false
-	for name, details in pairs(def._effect_list) do
+	if def._effect_list then
-		effect = mcl_potions.registered_effects[name]
+		for name, details in pairs(def._effect_list) do
-		if effect then
+			no_effects = false
-			local ulvl
+			effect = mcl_potions.registered_effects[name]
-			if details.uses_level ~= nil then ulvl = details.uses_level
+			if effect then
-			else ulvl = effect.uses_factor end
+				local ulvl
-			if ulvl then uses_level = true end
+				if details.uses_level ~= nil then ulvl = details.uses_level
-			local durvar = true
+				else ulvl = effect.uses_factor end
-			if details.dur_variable ~= nil then durvar = details.dur_variable end
+				if ulvl then uses_level = true end
-			if durvar then has_plus = true end
+				local durvar = true
-			pdef._effect_list[name] = {
+				if details.dur_variable ~= nil then durvar = details.dur_variable end
-				uses_level = ulvl,
+				if durvar then has_plus = true end
-				level = details.level or 1,
+				pdef._effect_list[name] = {
-				level_scaling = details.level_scaling or 1,
+					uses_level = ulvl,
-				dur = details.dur or mcl_potions.DURATION,
+					level = details.level or 1,
-				dur_variable = durvar,
+					level_scaling = details.level_scaling or 1,
-			}
+					dur = details.dur or mcl_potions.DURATION,
-		else
+					dur_variable = durvar,
-			error("Unable to register potion: effect not registered")
+				}
+			else
+				error("Unable to register potion: effect not registered")
+			end
 		end
 	end
 	if def.uses_level ~= nil then uses_level = def.uses_level end
@@ -238,6 +241,59 @@ function mcl_potions.register_potion(def)
 
 	minetest.register_craftitem(modname..":"..name, pdef)
 
+	if def.has_splash or def.has_splash == nil then
+		local splash_desc = S("Splash @1 Potion @2", def.desc_prefix, def.desc_suffix)
+		local sdef = {}
+		sdef._tt = def._tt
+		sdef._dynamic_tt = def._dynamic_tt
+		sdef._longdesc = def._longdesc
+		sdef.stack_max = pdef.stack_max
+		sdef._effect_list = pdef._effect_list
+		sdef.uses_level = uses_level
+		sdef.has_potent = pdef.has_potent
+		sdef.has_plus = has_plus
+		sdef._default_potent_level = pdef._default_potent_level
+		sdef._default_extend_level = pdef._default_extend_level
+		sdef.custom_effect = def.custom_effect
+		sdef.on_splash = def.custom_splash_effect
+		if not def._effect_list then sdef.instant = true end
+		mcl_potions.register_splash(name, splash_desc, color, sdef)
+	end
+
+	if def.has_lingering or def.has_lingering == nil then
+		local ling_desc = S("Lingering @1 Potion @2", def.desc_prefix, def.desc_suffix)
+		local ldef = {}
+		ldef._tt = def._tt
+		ldef._longdesc = def._longdesc
+		ldef.stack_max = pdef.stack_max
+		ldef._effect_list = pdef._effect_list
+		ldef.uses_level = uses_level
+		ldef.has_potent = pdef.has_potent
+		ldef.has_plus = has_plus
+		ldef._default_potent_level = pdef._default_potent_level
+		ldef._default_extend_level = pdef._default_extend_level
+		ldef.custom_effect = def.custom_effect
+		ldef.on_splash = def.custom_splash_effect
+		ldef.while_lingering = def.custom_linger_effect
+		if not def._effect_list then ldef.instant = true end
+		mcl_potions.register_lingering(name, ling_desc, color, ldef)
+	end
+
+	if def.has_arrow then
+		local arr_desc = S("@1 Arrow @2", def.desc_prefix, def.desc_suffix)
+		local adef = {}
+		adef._tt = def._tt
+		adef._longdesc = def._longdesc
+		adef._effect_list = pdef._effect_list
+		adef.uses_level = uses_level
+		adef.has_potent = pdef.has_potent
+		adef.has_plus = has_plus
+		adef._default_potent_level = pdef._default_potent_level
+		adef._default_extend_level = pdef._default_extend_level
+		adef.custom_effect = def.custom_effect
+		if not def._effect_list then adef.instant = true end
+		mcl_potions.register_arrow(name, arr_desc, color, adef)
+	end
 end
 
 mcl_potions.register_potion({
@@ -264,6 +320,8 @@ mcl_potions.register_potion({
 	},
 	default_potent_level = 5,
 	default_extend_level = 3,
+	custom_splash_effect = mcl_potions._extinguish_nearby_fire,
+	has_arrow = true,
 })
 
 
@@ -811,9 +869,9 @@ local defs = { awkward_def, mundane_def, thick_def, dragon_breath_def,
 	slowness_def, leaping_def, withering_def, poison_def, regeneration_def,
 	invisibility_def, water_breathing_def, fire_resistance_def}
 
-for _, def in ipairs(defs) do
+-- for _, def in ipairs(defs) do
-	register_potion(def)
+-- 	register_potion(def)
-end
+-- end
 
 
 

mods/ITEMS/mcl_potions/splash.lua

@@ -13,20 +13,28 @@ end
 
 function mcl_potions.register_splash(name, descr, color, def)
 	local id = "mcl_potions:"..name.."_splash"
-	local longdesc = def.longdesc
+	local longdesc = def._longdesc
 	if not def.no_effect then
-		longdesc = S("A throwable potion that will shatter on impact, where it gives all nearby players and mobs a status effect.")
+		longdesc = S("A throwable potion that will shatter on impact, where it gives all nearby players and mobs a status effect or a set of status effects.")
-		if def.longdesc then
+		if def._longdesc then
-			longdesc = longdesc .. "\n" .. def.longdesc
+			longdesc = longdesc .. "\n" .. def._longdesc
 		end
 	end
 	minetest.register_craftitem(id, {
 		description = descr,
-		_tt_help = def.tt,
+		_tt_help = def._tt,
+		_dynamic_tt = def._dynamic_tt,
 		_doc_items_longdesc = longdesc,
 		_doc_items_usagehelp = S("Use the “Punch” key to throw it."),
+		stack_max = def.stack_max,
+		_effect_list = def._effect_list,
+		uses_level = def.uses_level,
+		has_potent = def.has_potent,
+		has_plus = def.has_plus,
+		_default_potent_level = def._default_potent_level,
+		_default_extend_level = def._default_extend_level,
 		inventory_image = splash_image(color),
-		groups = {brewitem=1, not_in_creative_inventory=0, bottle=1},
+		groups = {brewitem=1, bottle=1, _mcl_potion=1},
 		on_use = function(item, placer, pointed_thing)
 			local velocity = 10
 			local dir = placer:get_look_dir();
@@ -35,7 +43,11 @@ function mcl_potions.register_splash(name, descr, color, def)
 			local obj = minetest.add_entity({x=pos.x+dir.x,y=pos.y+2+dir.y,z=pos.z+dir.z}, id.."_flying")
 			obj:set_velocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
 			obj:set_acceleration({x=dir.x*-3, y=-9.8, z=dir.z*-3})
-			obj:get_luaentity()._thrower = placer:get_player_name()
+			local ent = obj:get_luaentity()
+			ent._thrower = placer:get_player_name()
+			ent._potency = item:get_meta():get_int("mcl_potions:potion_potent")
+			ent._plus = item:get_meta():get_int("mcl_potions:potion_plus")
+			ent._effect_list = def._effect_list
 			if not minetest.is_creative_enabled(placer:get_player_name()) then
 				item:take_item()
 			end
@@ -50,6 +62,10 @@ function mcl_potions.register_splash(name, descr, color, def)
 			local velocity = 22
 			obj:set_velocity({x=dropdir.x*velocity,y=dropdir.y*velocity,z=dropdir.z*velocity})
 			obj:set_acceleration({x=dropdir.x*-3, y=-9.8, z=dropdir.z*-3})
+			local ent = obj:get_luaentity()
+			ent._potency = item:get_meta():get_int("mcl_potions:potion_potent")
+			ent._plus = item:get_meta():get_int("mcl_potions:potion_plus")
+			ent._effect_list = def._effect_list
 		end
 	})
 
@@ -103,10 +119,10 @@ function mcl_potions.register_splash(name, descr, color, def)
 					texture = texture.."^[colorize:"..color..":127"
 				})
 
-				if name == "water" then
+				local potency = self._potency or 0
-					mcl_potions._extinguish_nearby_fire(pos)
+				local plus = self._plus or 0
-				end
+
-				self.object:remove()
+				if def.on_splash then def.on_splash(pos, potency+1) end
 				for _,obj in pairs(minetest.get_objects_inside_radius(pos, 4)) do
 
 					local entity = obj:get_luaentity()
@@ -114,13 +130,37 @@ function mcl_potions.register_splash(name, descr, color, def)
 
 						local pos2 = obj:get_pos()
 						local rad = math.floor(math.sqrt((pos2.x-pos.x)^2 + (pos2.y-pos.y)^2 + (pos2.z-pos.z)^2))
-						if rad > 0 then
+
-							def.potion_fun(obj, redux_map[rad])
+						if def._effect_list then
-						else
+							local ef_level
-							def.potion_fun(obj, 1)
+							local dur
+							for name, details in pairs(def._effect_list) do
+								if details.uses_level then
+									ef_level = details.level + details.level_scaling * (potency)
+								else
+									ef_level = details.level
+								end
+								if details.dur_variable then
+									dur = details.dur * math.pow(mcl_potions.PLUS_FACTOR, plus)
+									if potency>0 and details.uses_level then
+										dur = dur / math.pow(mcl_potions.POTENT_FACTOR, potency)
+									end
+								else
+									dur = details.dur
+								end
+								dur = dur * mcl_potions.SPLASH_FACTOR
+								if rad > 0 then
+									mcl_potions.give_effect_by_level(name, obj, ef_level, redux_map[rad]*dur)
+								else
+									mcl_potions.give_effect_by_level(name, obj, ef_level, dur)
+								end
+							end
 						end
+
+						if def.custom_effect then def.custom_effect(obj, potency+1) end -- TODO use redux_map
 					end
 				end
+				self.object:remove()
 
 			end
 		end,

mods/ITEMS/mcl_potions/tipped_arrow.lua

@@ -37,16 +37,23 @@ local arrow_tt = minetest.registered_items["mcl_bows:arrow"]._tt_help or ""
 
 function mcl_potions.register_arrow(name, desc, color, def)
 
-	local longdesc = def.longdesc or ""
+	local longdesc = def._longdesc or ""
+	local tt = def._tt or ""
 	minetest.register_craftitem("mcl_potions:"..name.."_arrow", {
 		description = desc,
-		_tt_help = arrow_tt .. "\n" .. def.tt,
+		_tt_help = arrow_tt .. "\n" .. tt,
 		_doc_items_longdesc = arrow_longdesc .. "\n" ..
 			S("This particular arrow is tipped and will give an effect when it hits a player or mob.") .. "\n" ..
 			longdesc,
 		_doc_items_usagehelp = how_to_shoot,
+		_effect_list = def._effect_list,
+		uses_level = def.uses_level,
+		has_potent = def.has_potent,
+		has_plus = def.has_plus,
+		_default_potent_level = def._default_potent_level,
+		_default_extend_level = def._default_extend_level,
 		inventory_image = "mcl_bows_arrow_inv.png^(mcl_potions_arrow_inv.png^[colorize:"..color..":100)",
-		groups = { ammo=1, ammo_bow=1, brewitem=1},
+		groups = { ammo=1, ammo_bow=1, brewitem=1, _mcl_potion=1},
 		_on_dispense = function(itemstack, dispenserpos, droppos, dropnode, dropdir)
 			-- Shoot arrow
 			local shootpos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
@@ -264,6 +271,9 @@ function mcl_potions.register_arrow(name, desc, color, def)
 							end
 						end
 
+						local potency = self._potency or 0
+						local plus = self._plus or 0
+
 						-- Punch target object but avoid hurting enderman.
 						if lua then
 							if lua.name ~= "mobs_mc:rover" then
@@ -271,14 +281,59 @@ function mcl_potions.register_arrow(name, desc, color, def)
 									full_punch_interval=1.0,
 									damage_groups={fleshy=self._damage},
 								}, nil)
-								def.potion_fun(obj)
+								if def._effect_list then
+									local ef_level
+									local dur
+									for name, details in pairs(def._effect_list) do
+										if details.uses_level then
+											ef_level = details.level + details.level_scaling * (potency)
+										else
+											ef_level = details.level
+										end
+										if details.dur_variable then
+											dur = details.dur * math.pow(mcl_potions.PLUS_FACTOR, plus)
+											if potency>0 and details.uses_level then
+												dur = dur / math.pow(mcl_potions.POTENT_FACTOR, potency)
+											end
+										else
+											dur = details.dur
+										end
+										mcl_potions.give_effect_by_level(name, obj, ef_level, dur)
+									end
+								end
+								if def.custom_effect then def.custom_effect(obj, potency+1) end
 							end
 						else
 							obj:punch(self.object, 1.0, {
 								full_punch_interval=1.0,
 								damage_groups={fleshy=self._damage},
 							}, nil)
-							def.potion_fun(obj)
+							if def._effect_list then
+								local ef_level
+								local dur
+								for name, details in pairs(def._effect_list) do
+									if details.uses_level then
+										ef_level = details.level + details.level_scaling * (potency)
+									else
+										ef_level = details.level
+									end
+									if details.dur_variable then
+										dur = details.dur * math.pow(mcl_potions.PLUS_FACTOR, plus)
+										if potency>0 and details.uses_level then
+											dur = dur / math.pow(mcl_potions.POTENT_FACTOR, potency)
+										end
+									else
+										dur = details.dur
+									end
+									dur = dur * mcl_potions.SPLASH_FACTOR
+									if rad > 0 then
+										mcl_potions.give_effect_by_level(name, obj, ef_level, redux_map[rad]*dur)
+									else
+										mcl_potions.give_effect_by_level(name, obj, ef_level, dur)
+									end
+								end
+							end
+							if def.custom_effect then def.custom_effect(obj, potency+1) end
 						end
 
 						if is_player then