From a9dfec969bcc0756721c72172f49027d397ecb12 Mon Sep 17 00:00:00 2001
From: FaceDeer <derksenmobile@gmail.com>
Date: Thu, 25 Mar 2021 23:13:19 -0600
Subject: [PATCH] prevent chasms from breaching oil and magma seas, make
 veinstone actually do something

---
 chasms/init.lua           |  4 +--
 chasms/settingtypes.txt   |  2 +-
 df_mapitems/veinstone.lua | 53 ++++++++++++++++++++++++++++++++++++++-
 3 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/chasms/init.lua b/chasms/init.lua
index e0d0f84..e3adce3 100644
--- a/chasms/init.lua
+++ b/chasms/init.lua
@@ -1,7 +1,7 @@
 local data = {}
 
 local maxy = tonumber(minetest.settings:get("chasms_maxy")) or -50
-local miny = tonumber(minetest.settings:get("chasms_miny")) or -3000
+local miny = tonumber(minetest.settings:get("chasms_miny")) or -2500
 local falloff = tonumber(minetest.settings:get("chasms_falloff")) or 100
 
 local chasms_threshold = tonumber(minetest.settings:get("chasms_threshold")) or 0.9
@@ -56,7 +56,7 @@ local get_intensity = function(y)
 		return (y-miny)/falloff
 	end
 --	if y > maxfalloff then
-		return (maxy-y)/falloff
+	return (maxy-y)/falloff
 --	end
 end
 
diff --git a/chasms/settingtypes.txt b/chasms/settingtypes.txt
index 96ada06..f3995a8 100644
--- a/chasms/settingtypes.txt
+++ b/chasms/settingtypes.txt
@@ -1,5 +1,5 @@
 chasms_params (Noise params for chasms) noise_params_3d 0, 1, (50, 1000, 3000), 94586, 2, 0.63, 2.0
 chasms_threshold (Noise threshold for chasms) float 0.9
 chasms_maxy (Maximum Y) int -50
-chasms_miny (Minimum Y) int -3000
+chasms_miny (Minimum Y) int -2500
 chasms_falloff (Taper range when approaching max or min) int 100
\ No newline at end of file
diff --git a/df_mapitems/veinstone.lua b/df_mapitems/veinstone.lua
index db95d4c..c78eead 100644
--- a/df_mapitems/veinstone.lua
+++ b/df_mapitems/veinstone.lua
@@ -9,6 +9,57 @@ minetest.register_node("df_mapitems:veinstone", {
 	_magma_conduits_heats_to = df_mapitems.node_name.cobble,
 	is_ground_content = false,
 	light_source = 2,
-	drop = df_mapitems.node_name.cobble,
+	drop = "df_mapitems:veinstone",
 	sounds = df_mapitems.sounds.stone,
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+		minetest.swap_node(pos, {name="df_mapitems:veinstone_pulse"})
+		minetest.get_node_timer(pos):start(2)
+	end,
+})
+
+minetest.register_node("df_mapitems:veinstone_pulse", {
+	description = S("Veinstone"),
+	_doc_items_longdesc = df_mapitems.doc.veinstone_desc,
+	_doc_items_usagehelp = df_mapitems.doc.veinstone_usage,
+	tiles = {df_mapitems.texture.stone .. "^dfcaverns_veins.png"},
+	groups = {cracky = 3, stone = 1, lava_heatable = 1, not_in_creative_inventory = 1},
+	_magma_conduits_heats_to = df_mapitems.node_name.cobble,
+	is_ground_content = false,
+	light_source = 8,
+	drop = "df_mapitems:veinstone",
+	sounds = df_mapitems.sounds.stone,
+	on_timer = function(pos, elapsed)
+		local positions, count = minetest.find_nodes_in_area(vector.add(pos,1), vector.subtract(pos,1), "df_mapitems:veinstone")
+		if count["df_mapitems:veinstone"] == 0 then
+			positions, count = minetest.find_nodes_in_area(vector.add(pos,2), vector.subtract(pos,2), "df_mapitems:veinstone")
+		end
+		if count["df_mapitems:veinstone"] == 0 then
+			positions = {[1] = minetest.find_node_near(pos, 3, "df_mapitems:veinstone")}
+		end
+		if positions[1] == nil then
+			positions = {[1] = minetest.find_node_near(pos, 4, "df_mapitems:veinstone")}
+		end
+		for _, neighbor_pos in pairs(positions) do
+			minetest.swap_node(neighbor_pos, {name="df_mapitems:veinstone_pulse"})
+			minetest.get_node_timer(neighbor_pos):start(2)
+		end		
+		minetest.swap_node(pos, {name="df_mapitems:veinstone_refractory"})
+		minetest.get_node_timer(pos):start(12)
+	end,
+})
+
+minetest.register_node("df_mapitems:veinstone_refractory", {
+	description = S("Veinstone"),
+	_doc_items_longdesc = df_mapitems.doc.veinstone_desc,
+	_doc_items_usagehelp = df_mapitems.doc.veinstone_usage,
+	tiles = {df_mapitems.texture.stone .. "^dfcaverns_veins.png"},
+	groups = {cracky = 3, stone = 1, lava_heatable = 1, not_in_creative_inventory = 1},
+	_magma_conduits_heats_to = df_mapitems.node_name.cobble,
+	is_ground_content = false,
+	light_source = 1,
+	drop = "df_mapitems:veinstone",
+	sounds = df_mapitems.sounds.stone,
+	on_timer = function(pos, elapsed)
+		minetest.swap_node(pos, {name="df_mapitems:veinstone"})
+	end,
 })
\ No newline at end of file