From e0b3b023b07ad7d424f0f40efb916ae62a1d548c Mon Sep 17 00:00:00 2001
From: FaceDeer <derksenmobile@gmail.com>
Date: Sun, 1 Dec 2019 18:30:29 -0700
Subject: [PATCH] add a small bit of anti-griefing - the seal breach bell only
 tolls globally 13 times per activation

---
 df_caverns/underworld.lua           |  2 +-
 df_underworld_items/puzzle_seal.lua | 24 +++++++++++++++---------
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/df_caverns/underworld.lua b/df_caverns/underworld.lua
index 6f8d3fe..5ad4458 100644
--- a/df_caverns/underworld.lua
+++ b/df_caverns/underworld.lua
@@ -397,7 +397,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	
 	-- puzzle seal
 	local puzzle_seal = nil	
-	if pit_uninitialized and math.random() < 0.025 then
+	if pit_uninitialized and math.random() < 0.1 then
 		local index2d = mapgen_helper.index2d(emin, emax, minp.x + 3, minp.z + 3)
 		local abs_cave = math.abs(nvals_cave[index2d]) -- range is from 0 to approximately 2, with 0 being connected and 2s being islands
 		local wave = nvals_wave[index2d] * wave_mult
diff --git a/df_underworld_items/puzzle_seal.lua b/df_underworld_items/puzzle_seal.lua
index c14e558..f69c41c 100644
--- a/df_underworld_items/puzzle_seal.lua
+++ b/df_underworld_items/puzzle_seal.lua
@@ -58,7 +58,10 @@ local test_key = function(pos)
 			end
 		end
 		if valid then
-			meta:set_int("unlocked", 1)
+			local unlocked = meta:get_int("unlocked")
+			if unlocked == 0 then
+				meta:set_int("unlocked", 1)
+			end
 			return true
 		end
 	end
@@ -105,7 +108,7 @@ local show_key = function(pos, index)
     minetest.sound_play("dfcaverns_seal_key", {
         pos = pos,
         gain = 0.125,
-        max_hear_distance = 16,
+        max_hear_distance = 32,
     })
     local meta = minetest.get_meta(pos)
 	local keystring = meta:get_string("key")
@@ -131,12 +134,13 @@ local show_key = function(pos, index)
 	})
 end
 
-local show_unlocked = function(pos)
+local show_unlocked = function(pos, global)
 	-- Plays globally. This is deliberate.
-	minetest.sound_play("dfcaverns_seal_unlocked", {
-        gain = 1.0,
-        pitch = 1.0,
-    })
+	if global then
+		minetest.sound_play("dfcaverns_seal_unlocked", {})
+	else
+		minetest.sound_play("dfcaverns_seal_unlocked", {pos = pos, max_hear_distance = 128,})
+	end
 	minetest.add_particle({
 		pos = pos,
 		velocity = {x=0, y=1, z=0},
@@ -180,8 +184,10 @@ local puzzle_seal_def = {
 	end,
 	on_timer = function(pos, elapsed)	
 		local meta = minetest.get_meta(pos)
-		if meta:get_int("unlocked") > 0 then
-			show_unlocked(pos)
+		local unlocked = meta:get_int("unlocked")
+		if unlocked > 0 then
+			meta:set_int("unlocked", unlocked + 1)
+			show_unlocked(pos, unlocked <= 13)
 		else
 			local index = meta:get_int("key_index")
 			show_key(pos, index)