From 4f2940ff043293f3866c9c36e1d32f34a85de255 Mon Sep 17 00:00:00 2001
From: Ilya Zhuravlev <zhuravlevilya@ya.ru>
Date: Mon, 19 Mar 2012 23:00:58 +0400
Subject: [PATCH] obsidian updated

---
 shit/obsidian_rtmmp/init.lua | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/shit/obsidian_rtmmp/init.lua b/shit/obsidian_rtmmp/init.lua
index d935b5a..e874091 100644
--- a/shit/obsidian_rtmmp/init.lua
+++ b/shit/obsidian_rtmmp/init.lua
@@ -9,13 +9,42 @@ minetest.register_node("obsidian_rtmmp:obsidian_block", {
     material = minetest.digprop_stonelike(15.0), -- obsidian is hard, like a stone, but harder
 })
 
+local function check_water(pos, dx, dy, dz)
+    local n = minetest.env:get_node({x = pos.x + dx, y = pos.y + dy, z = pos.z + dz}) 
+    return n.name == "default:water_flowing" or n.name == "default:water_source"
+end
+
+local function find_water(pos)
+    return check_water(pos, -1, 0, 0) or check_water(pos, 1, 0, 0)
+        or check_water(pos, 0, -1, 0) or check_water(pos, 0, 1, 0)
+        or check_water(pos, 0, 0, -1) or check_water(pos, 0, 0, 1)
+end
+
+local function replace(pos, dx, dy, dz)
+    if check_water(pos, dx, dy, dz) then
+        minetest.env:remove_node({pos.x + dx, pos.y + dy, pos.z + dz})
+    end
+end
+
+local function replace_water(pos)
+    replace(pos, -1, 0, 0)
+    replace(pos, 1, 0, 0)
+    replace(pos, 0, -1, 0)
+    replace(pos, 0, 1, 0)
+    replace(pos, 0, 0, -1)
+    replace(pos, 0, 0, 1)
+end
+
 minetest.register_abm({
     nodenames = {"default:lava_flowing"},
     neighbors = {"default:water_source", "default:water_flowing"},
     interval = 1,
     chance = 1,
     action = function(pos, node)
-        minetest.env:add_node(pos, {name="default:cobble"})
+        if find_water(pos) then
+            replace_water(pos)
+            minetest.env:add_node(pos, {name="default:cobble"})
+        end
     end
 })
 
@@ -25,6 +54,9 @@ minetest.register_abm({
     interval = 1,
     chance = 1,
     action = function(pos, node)
-        minetest.env:add_node(pos, {name="obsidian_rtmmp:obsidian_block"})
+        if find_water(pos) then
+            replace_water(pos)
+            minetest.env:add_node(pos, {name="obsidian_rtmmp:obsidian_block"})
+        end
     end
 })