From 43acec290067f9aca534647d46ba1f13cfeb377a Mon Sep 17 00:00:00 2001
From: TechDudie <73961295+TechDudie@users.noreply.github.com>
Date: Tue, 09 Feb 2021 19:03:55 +0100
Subject: [PATCH] Add Rubber Goo as replacement for the grinder (#578)

---
 technic/radiation.lua |  160 ++++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 121 insertions(+), 39 deletions(-)

diff --git a/technic/radiation.lua b/technic/radiation.lua
index ac3f166..4f511ab 100644
--- a/technic/radiation.lua
+++ b/technic/radiation.lua
@@ -54,8 +54,15 @@
 	["default:lava_source"] = 17,
 	["default:mese"] = 21,
 	["default:mossycobble"] = 15,
-	["default:nyancat"] = 1000,
-	["default:nyancat_rainbow"] = 1000,
+	["default:tinblock"] = 37,
+	["pbj_pup:pbj_pup"] = 10000,
+	["pbj_pup:pbj_pup_candies"] = 10000,
+	["gloopblocks:rainbow_block_diagonal"] = 5000,
+	["gloopblocks:rainbow_block_horizontal"] = 10000,
+	["default:nyancat"] = 10000,
+	["default:nyancat_rainbow"] = 10000,
+	["nyancat:nyancat"] = 10000,
+	["nyancat:nyancat_rainbow"] = 10000,
 	["default:obsidian"] = 18,
 	["default:obsidian_glass"] = 18,
 	["default:sand"] = 10,
@@ -70,6 +77,7 @@
 	["default:stone_with_gold"] = 34,
 	["default:stone_with_iron"] = 20,
 	["default:stone_with_mese"] = 17,
+	["default:stone_with_tin"] = 19,
 	["default:stonebrick"] = 17,
 	["default:water_flowing"] = 2.8,
 	["default:water_source"] = 5.6,
@@ -135,12 +143,10 @@
 	["moreblocks:wood_tile_up"] = 1.7,
 	["moreores:mineral_mithril"] = 18,
 	["moreores:mineral_silver"] = 21,
-	["moreores:mineral_tin"] = 19,
 	["moreores:mithril_block"] = 26,
 	["moreores:silver_block"] = 53,
-	["moreores:tin_block"] = 37,
 	["snow:snow_brick"] = 2.8,
-	["technic:brass_block"] = 43,
+	["basic_materials:brass_block"] = 43,
 	["technic:carbon_steel_block"] = 40,
 	["technic:cast_iron_block"] = 40,
 	["technic:chernobylite_block"] = 40,
@@ -238,9 +244,12 @@
 need to be considered.
 --]]
 local abdomen_offset = 1
-local cache_scaled_shielding = {}
 local rad_dmg_cutoff = 0.2
 local radiated_players = {}
+
+local armor_enabled = technic.config:get_bool("enable_radiation_protection")
+local entity_damage = technic.config:get_bool("enable_entity_radiation_damage")
+local longterm_damage = technic.config:get_bool("enable_longterm_radiation_damage")
 
 local function apply_fractional_damage(o, dmg)
 	local dmg_int = math.floor(dmg)
@@ -257,26 +266,71 @@
 	return false
 end
 
-local function dmg_player(pos, player, strength)
-	local pl_pos = player:getpos()
-	pl_pos.y = pl_pos.y + abdomen_offset
+local function calculate_base_damage(node_pos, object_pos, strength)
 	local shielding = 0
-	local dist = vector.distance(pos, pl_pos)
+	local dist = vector.distance(node_pos, object_pos)
 
-	for ray_pos in technic.trace_node_ray(pos,
-			vector.direction(pos, pl_pos), dist) do
+	for ray_pos in technic.trace_node_ray(node_pos,
+			vector.direction(node_pos, object_pos), dist) do
 		local shield_name = minetest.get_node(ray_pos).name
-		shielding = shielding + node_radiation_resistance(shield_name) * 0.1
+		shielding = shielding + node_radiation_resistance(shield_name) * 0.025
 	end
 
 	local dmg = (strength * strength) /
 		(math.max(0.75, dist * dist) * math.exp(shielding))
 
 	if dmg < rad_dmg_cutoff then return end
-	apply_fractional_damage(player, dmg)
+	return dmg
+end
 
-	local pn = player:get_player_name()
-	radiated_players[pn] = (radiated_players[pn] or 0) + dmg
+local function calculate_damage_multiplier(object)
+	local ag = object.get_armor_groups and object:get_armor_groups()
+	if not ag then
+		return 0
+	end
+	if ag.immortal then
+		return 0
+	end
+	if ag.radiation then
+		return 0.01 * ag.radiation
+	elseif armor_enabled then
+		return 0
+	end
+	if ag.fleshy then
+		return math.sqrt(0.01 * ag.fleshy)
+	end
+	return 0
+end
+
+local function calculate_object_center(object)
+	if object:is_player() then
+		return {x=0, y=abdomen_offset, z=0}
+	end
+	return {x=0, y=0, z=0}
+end
+
+local function dmg_object(pos, object, strength)
+	local obj_pos = vector.add(object:get_pos(), calculate_object_center(object))
+	local mul
+	if armor_enabled or entity_damage then
+		-- we need to check may the object be damaged even if armor is disabled
+		mul = calculate_damage_multiplier(object)
+		if mul == 0 then
+			return
+		end
+	end
+	local dmg = calculate_base_damage(pos, obj_pos, strength)
+	if not dmg then
+		return
+	end
+	if armor_enabled then
+		dmg = dmg * mul
+	end
+	apply_fractional_damage(object, dmg)
+	if longterm_damage and object:is_player() then
+		local pn = object:get_player_name()
+		radiated_players[pn] = (radiated_players[pn] or 0) + dmg
+	end
 end
 
 local rad_dmg_mult_sqrt = math.sqrt(1 / rad_dmg_cutoff)
@@ -285,40 +339,43 @@
 	local max_dist = strength * rad_dmg_mult_sqrt
 	for _, o in pairs(minetest.get_objects_inside_radius(pos,
 			max_dist + abdomen_offset)) do
-		if o:is_player() then
-			dmg_player(pos, o, strength)
+		if (entity_damage or o:is_player()) and o:get_hp() > 0 then
+			dmg_object(pos, o, strength)
 		end
 	end
 end
 
-if minetest.setting_getbool("enable_damage") then
+if minetest.settings:get_bool("enable_damage") then
 	minetest.register_abm({
+		label = "Radiation damage",
 		nodenames = {"group:radioactive"},
 		interval = 1,
 		chance = 1,
 		action = dmg_abm,
 	})
 
-	minetest.register_globalstep(function(dtime)
-		for pn, dmg in pairs(radiated_players) do
-			dmg = dmg - (dtime / 8)
-			local player = minetest.get_player_by_name(pn)
-			local killed
-			if player and dmg > rad_dmg_cutoff then
-				killed = apply_fractional_damage(player, (dmg * dtime) / 8)
-			else
-				dmg = nil
+	if longterm_damage then
+		minetest.register_globalstep(function(dtime)
+			for pn, dmg in pairs(radiated_players) do
+				dmg = dmg - (dtime / 8)
+				local player = minetest.get_player_by_name(pn)
+				local killed
+				if player and dmg > rad_dmg_cutoff then
+					killed = apply_fractional_damage(player, (dmg * dtime) / 8)
+				else
+					dmg = nil
+				end
+				-- on_dieplayer will have already set this if the player died
+				if not killed then
+					radiated_players[pn] = dmg
+				end
 			end
-			-- on_dieplayer will have already set this if the player died
-			if not killed then
-				radiated_players[pn] = dmg
-			end
-		end
-	end)
+		end)
 
-	minetest.register_on_dieplayer(function(player)
-		radiated_players[player:get_player_name()] = nil
-	end)
+		minetest.register_on_dieplayer(function(player)
+			radiated_players[player:get_player_name()] = nil
+		end)
+	end
 end
 
 -- Radioactive materials that can result from destroying a reactor
@@ -328,7 +385,7 @@
 	minetest.register_node("technic:corium_"..state, {
 		description = S(state == "source" and "Corium Source" or "Flowing Corium"),
 		drawtype = (state == "source" and "liquid" or "flowingliquid"),
-		[state == "source" and "tiles" or "special_tiles"] = {{
+		tiles = {{
 			name = "technic_corium_"..state.."_animated.png",
 			animation = {
 				type = "vertical_frames",
@@ -337,6 +394,28 @@
 				length = 3.0,
 			},
 		}},
+		special_tiles = {
+			{
+				name = "technic_corium_"..state.."_animated.png",
+				backface_culling = false,
+				animation = {
+					type = "vertical_frames",
+					aspect_w = 16,
+					aspect_h = 16,
+					length = 3.0,
+				},
+			},
+			{
+				name = "technic_corium_"..state.."_animated.png",
+				backface_culling = true,
+				animation = {
+					type = "vertical_frames",
+					aspect_w = 16,
+					aspect_h = 16,
+					length = 3.0,
+				},
+			},
+		},
 		paramtype = "light",
 		paramtype2 = (state == "flowing" and "flowingliquid" or nil),
 		light_source = (state == "source" and 8 or 5),
@@ -383,6 +462,7 @@
 })
 
 minetest.register_abm({
+	label = "Corium: boil-off water (sources)",
 	nodenames = {"group:water"},
 	neighbors = {"technic:corium_source"},
 	interval = 1,
@@ -393,6 +473,7 @@
 })
 
 minetest.register_abm({
+	label = "Corium: boil-off water (flowing)",
 	nodenames = {"technic:corium_flowing"},
 	neighbors = {"group:water"},
 	interval = 1,
@@ -403,6 +484,7 @@
 })
 
 minetest.register_abm({
+	label = "Corium: become chernobylite",
 	nodenames = {"technic:corium_flowing"},
 	interval = 5,
 	chance = (griefing and 10 or 1),
@@ -413,6 +495,7 @@
 
 if griefing then
 	minetest.register_abm({
+		label = "Corium: griefing",
 		nodenames = {"technic:corium_source", "technic:corium_flowing"},
 		interval = 4,
 		chance = 4,
@@ -431,4 +514,3 @@
 		end,
 	})
 end
-

--
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