Poisonous grenade

ctf_git

@@ -0,0 +1 @@
+ctf_git

mods/ctf/ctf_map/ctf_traps.lua

@@ -80,15 +80,20 @@ for _, team in ipairs(ctf_teams.teamlist) do
 		paramtype2 = "meshoptions",
 		sunlight_propagates = true,
 		walkable = false,
-		damage_per_second = 7,
+		damage_per_second = 1,
 		groups = {cracky=1, level=2},
 		drop = "ctf_map:spike",
 		selection_box = {
 			type = "fixed",
 			fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
 		},
 		on_place = function(itemstack, placer, pointed_thing)
-			return minetest.item_place(itemstack, placer, pointed_thing, 34)
+			local itemstack_, pos = minetest.item_place(itemstack, placer, pointed_thing, 34)
+			if placer then
+				local meta = minetest.get_meta(pos)
+				meta:set_string("placer", placer:get_player_name())
+			end
+			return itemstack_, pos
 		end
 	})
 end
@@ -100,6 +105,34 @@ minetest.register_on_player_hpchange(function(player, hp_change, reason)
 		if team and reason.node == string.format("ctf_map:spike_%s", team) then
 			return 0, true
 		end
+		local pattern = "ctf_map:spike_"
+		if string.sub(reason.node, 1, string.len(pattern)) == pattern then
+			-- I'm assuming the spike and the player will be
+			-- in the same position
+			local pos = player:get_pos()
+			pos["x"] = math.floor(pos["x"])
+			pos["y"] = math.floor(pos["y"])
+			pos["z"] = math.floor(pos["z"])
+			local meta = minetest.get_meta(pos)
+			local placer_name = meta:get_string("placer")
+			local spike_team = string.sub(reason.node, string.len(pattern) + 1, -1)
+			if placer_name then
+				minetest.chat_send_all(placer_name)
+				minetest.chat_send_all(spike_team)
+				minetest.chat_send_all(minetest.serialize(placer_name == ""))
+			end
+			if placer_name ~= "" and ctf_teams.get(placer_name) ~= spike_team then
+
+				minetest.chat_send_all(placer_name)
+				local placer = minetest.get_player_by_name(placer_name)
+				player:punch(placer, 10, {
+					damage_groups = {
+						spike = 1,
+						fleshy = 6
+					}
+				})
+			end
+		end
 	end
 
 	return hp_change

mods/pvp/grenades/grenades.lua

@@ -123,78 +123,145 @@ grenades.register_grenade("grenades:frag_sticky", fragdef_sticky)
 
 local sounds = {}
 local SMOKE_GRENADE_TIME = 30
-grenades.register_grenade("grenades:smoke", {
-	description = "Smoke grenade (Generates smoke around blast site)",
-	image = "grenades_smoke_grenade.png",
-	on_collide = function()
-		return true
-	end,
-	on_explode = function(def, obj, pos, pname)
-		local player = minetest.get_player_by_name(pname)
-		if not player or not pos then return end
 
-		local pteam = ctf_teams.get(pname)
+minetest.register_node("grenades:poison_plant", {
+	drawtype = "airlike",
+	walkable = false,
+	pointable = false,
+	diggable = false,
+})
 
-		if pteam then
-			local fpos = ctf_map.current_map.teams[pteam].flag_pos
+minetest.register_abm({
+	label = "poisoning",
+	nodenames = {"grenades:poison_plant"},
+	interval = 3,
+	chance = 100/90,
+	catch_up = false,
+	action = function(pos, node, active_object_count, w_active_object_count)
+		local meta = minetest.get_meta(pos)
+		local thrower_name = meta:get_string("thrower")
+		local thrower = minetest.get_player_by_name(thrower_name)
+		local team = meta:get_string("thrower_team")
+		local objects = minetest.get_objects_inside_radius(pos, 7)
+		for _, object in pairs(objects) do
+			local pname = object:get_player_name()
+			if pname ~= "" and team ~= ctf_teams.get(pname) and pname ~= thrower_name then
+				local damagee = minetest.get_player_by_name(pname)
+				if damagee then
+					damagee:punch(thrower, 10, {
+						damage_groups = {
+							fleshy = 4,
+							poison = 1,
+						},
+					})
+				end
+			end
+		end
+	end
+})
+
+local register_smoke_grenade = function(name, description, image, damage)
+	grenades.register_grenade("grenades:"..name, {
+		description = description,
+		image = image,
+		on_collide = function()
+			return true
+		end,
+		on_explode = function(def, obj, pos, pname)
+			local player = minetest.get_player_by_name(pname)
+			if not player or not pos then return end
+
+			local pteam = ctf_teams.get(pname)
+
+			if pteam then
+				local fpos = ctf_map.current_map.teams[pteam].flag_pos
 
-			if not fpos then return end
+				if not fpos then return end
 
-			if vector.distance(pos, fpos) <= 15 then
-				minetest.chat_send_player(pname, "You can't explode smoke grenades so close to your flag!")
-				player:get_inventory():add_item("main", "grenades:smoke")
-				return
+				if vector.distance(pos, fpos) <= 15 then
+					minetest.chat_send_player(pname, "You can't explode smoke grenades so close to your flag!")
+					player:get_inventory():add_item("main", "grenades:smoke")
+					return
+				end
 			end
-		end
 
-		minetest.sound_play("grenades_glasslike_break", {
-			pos = pos,
-			gain = 1.0,
-			max_hear_distance = 32,
-		})
+			minetest.sound_play("grenades_glasslike_break", {
+				pos = pos,
+				gain = 1.0,
+				max_hear_distance = 32,
+			})
 
-		local hiss = minetest.sound_play("grenades_hiss", {
-			pos = pos,
-			gain = 1.0,
-			loop = true,
-			max_hear_distance = 32,
-		})
-		sounds[hiss] = true
-
-		minetest.after(SMOKE_GRENADE_TIME, function()
-			sounds[hiss] = nil
-			minetest.sound_stop(hiss)
-		end)
-
-		for i = 0, 5, 1 do
-			minetest.add_particlespawner({
-				amount = 40,
-				time = SMOKE_GRENADE_TIME + 3,
-				minpos = vector.subtract(pos, 2),
-				maxpos = vector.add(pos, 2),
-				minvel = {x = 0, y = 2, z = 0},
-				maxvel = {x = 0, y = 3, z = 0},
-				minacc = {x = 1, y = 0.2, z = 1},
-				maxacc = {x = 1, y = 0.2, z = 1},
-				minexptime = 1,
-				maxexptime = 1,
-				minsize = 125,
-				maxsize = 140,
-				collisiondetection = false,
-				collision_removal = false,
-				vertical = false,
-				texture = "grenades_smoke.png^[noalpha",
+			local hiss = minetest.sound_play("grenades_hiss", {
+				pos = pos,
+				gain = 1.0,
+				loop = true,
+				max_hear_distance = 32,
 			})
-		end
-	end,
-	particle = {
-		image = "grenades_smoke.png",
-		life = 1,
-		size = 4,
-		glow = 0,
-		interval = 0.3,
-	}
-})
+			sounds[hiss] = true
+		    if damage then
+				minetest.set_node(pos, { name = "grenades:poison_plant" })
+				local meta = minetest.get_meta(pos)
+				meta:set_string("thrower", pname)
+				meta:set_string("thrower_team", ctf_teams.get(pname))
+			end
+
+			minetest.after(SMOKE_GRENADE_TIME, function()
+				sounds[hiss] = nil
+				minetest.sound_stop(hiss)
+				minetest.remove_node(pos)
+			end)
+
+			local p = "grenades_smoke.png^["
+			local particletexture
+			if damage then
+				particletexture = p .. "colorize:" .. ctf_teams["team"][ctf_teams.get(pname)].color .. ":50"
+			else
+				particletexture = p .. "noalpha"
+			end
+
+			for i = 0, 5, 1 do
+				minetest.add_particlespawner({
+					amount = 40,
+					time = SMOKE_GRENADE_TIME + 3,
+					minpos = vector.subtract(pos, 2),
+					maxpos = vector.add(pos, 2),
+					minvel = {x = 0, y = 2, z = 0},
+					maxvel = {x = 0, y = 3, z = 0},
+					minacc = {x = 1, y = 0.2, z = 1},
+					maxacc = {x = 1, y = 0.2, z = 1},
+					minexptime = 1,
+					maxexptime = 1,
+					minsize = 125,
+					maxsize = 140,
+					collisiondetection = false,
+					collision_removal = false,
+					vertical = false,
+					texture = particletexture,
+				})
+			end
+		end,
+		particle = {
+			image = "grenades_smoke.png",
+			life = 1,
+			size = 4,
+			glow = 0,
+			interval = 0.3,
+		}
+	})
+end
+
+register_smoke_grenade(
+	"smoke",
+	"Smoke grenade (Generates smoke around blast site)",
+	"grenades_smoke_grenade.png",
+	false
+)
+register_smoke_grenade(
+	"poison",
+	"Poison grenade (Generates poisonous smoke around blast site)",
+	"grenades_smoke_grenade.png^[colorize:#001f00:90",
+	true
+)
 
 -- Flashbang Grenade