From d46fc60f43d050f552afdb2aaa9564c5ecc89dac Mon Sep 17 00:00:00 2001
From: npx <npx_npx@yahoo.it>
Date: Mon, 25 Apr 2016 22:06:02 +0200
Subject: [PATCH] Added new midas_ability

---
 icelamander.lua | 19 +----------------
 mese_dragon.lua | 17 +---------------
 nssm_api.lua    | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 34 deletions(-)

diff --git a/icelamander.lua b/icelamander.lua
index 84876c5..005418b 100644
--- a/icelamander.lua
+++ b/icelamander.lua
@@ -62,23 +62,6 @@ nssm:register_mob("nssm:icelamander", {
 		dattack_end = 210,
 	},
 	do_custom = function(self)
-		--Big_froster
-		local pos = self.object:getpos()
-		if minetest.is_protected(pos, "") then
-			return
-		end
-		local c=3
-		local v = self.object:getvelocity()
-		for dx = -c*(math.abs(v.x))-1 , c*(math.abs(v.x))+1 do
-			for dy=-1,3 do
-				for dz = -c*(math.abs(v.z))-1 , c*(math.abs(v.z))+1 do
-					local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
-					local n = minetest.env:get_node(p).name
-					if (n~="air") and not minetest.is_protected(p, "") then
-						minetest.env:set_node(p, {name="default:ice"})
-					end
-				end
-			end
-		end
+		nssm:midas_ability(self, "default:ice", self.run_velocity,1, 3)
 	end,
 })
diff --git a/mese_dragon.lua b/mese_dragon.lua
index 0ce29e5..0e4afba 100644
--- a/mese_dragon.lua
+++ b/mese_dragon.lua
@@ -60,22 +60,7 @@ nssm:register_mob("nssm:mese_dragon", {
     dattack_end = 160,
 	},
 	do_custom = function(self)
-		--transform the blocks he touches in mese_blocks
-		local pos = self.object:getpos()
-		local c=2
-		local v = self.object:getvelocity()
-		for dx = -c*(math.abs(v.x))-2 , c*(math.abs(v.x))+2 do
-			for dy=-1,10 do
-				for dz = -c*(math.abs(v.z))-2 , c*(math.abs(v.z))+2 do
-					local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
-					local t = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
-					local n = minetest.env:get_node(p).name
-					if (n~="air" and n~="nssm:mese_meteor" and n~="fire:basic_flame") then
-						minetest.env:set_node(t, {name="default:mese_block"})
-					end
-				end
-			end
-		end
+		nssm:midas_ability(self, "default:mese_block", self.run_velocity,2, 3)
 	end,
 
 	custom_attack = function(self)
diff --git a/nssm_api.lua b/nssm_api.lua
index 6244720..2708926 100644
--- a/nssm_api.lua
+++ b/nssm_api.lua
@@ -310,3 +310,57 @@ function nssm:webber_ability(		--puts randomly around the block defined as w_blo
 		end
 	end
 end
+
+function nssm:midas_ability(		--ability to transform every blocks it touches in the m_block block
+	self,		--the entity of the mob
+	m_block,
+	max_vel,	--max velocity of the mob
+	mult, 		--multiplier of the dimensions of the area around that need the transformation
+	height 		--height of the mob
+	)
+
+	local v = self.object:getvelocity()
+	local pos = self.object:getpos()
+
+	if minetest.is_protected(pos, "") then
+		return
+	end
+
+	local max = 0
+	local yaw = (self.object:getyaw() + self.rotate) or 0
+	local x = math.sin(yaw)*-1
+	local z = math.cos(yaw)
+
+	local i = 1
+	local i1 = -1
+	local k = 1
+	local k1 = -1
+
+	local multiplier = mult
+
+	if x>0 then
+		i = nssm:round(x*max_vel)*multiplier
+	else
+		i1 = nssm:round(x*max_vel)*multiplier
+	end
+
+	if z>0 then
+		k = nssm:round(z*max_vel)*multiplier
+	else
+		k1 = nssm:round(z*max_vel)*multiplier
+	end
+
+	for dx = i1, i do
+		for dy = -1, height do
+			for dz = k1, k do
+				local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
+				local n = minetest.env:get_node(p).name
+
+				if minetest.get_item_group(n, "unbreakable") == 1 or minetest.is_protected(p, "") or n=="air" then
+				else
+					minetest.env:set_node(p, {name=m_block})
+				end
+			end
+		end
+	end
+end