From 10307f23a78b33af50dc4a5f3d1baafb4ee4b0d9 Mon Sep 17 00:00:00 2001
From: Maciej 'agaran' Pijanka <agaran@pld-linux.org>
Date: Thu, 16 Mar 2017 00:00:22 +0100
Subject: [PATCH] Do not run converters twice.

---
 technic/tools/mining_lasers.lua |   82 +++++++++++++++++++---------------------
 1 files changed, 39 insertions(+), 43 deletions(-)

diff --git a/technic/tools/mining_lasers.lua b/technic/tools/mining_lasers.lua
index 5c8d1e4..ef1eecb 100644
--- a/technic/tools/mining_lasers.lua
+++ b/technic/tools/mining_lasers.lua
@@ -32,64 +32,58 @@
 	}
 })
 
-local function table_icontains(t, v)
-	for i = 1,#t do
-		if v == t[i] then
-			return true
-		end
-	end
-	return false
-end
-
-local function laser_node(pos, player)
-	local node = minetest.get_node(pos)
-	if table_icontains({"air", "ignore", "default:lava_source", "default:lava_flowing"}, node.name) then
-		return
-	end
-	local pname = player:get_player_name()
-	if minetest.is_protected(pos, pname) then
-		minetest.record_protection_violation(pos, pname)
-		return
-	end
-	if table_icontains({"default:water_flowing", "default:water_source"}, node.name) then
+local function laser_node(pos, node, player)
+	local def = minetest.registered_nodes[node.name]
+	if def and def.liquidtype ~= "none" then
 		minetest.remove_node(pos)
 		minetest.add_particle({
 			pos = pos,
-			vel = {x=0, y=2, z=0},
-			acc = {x=0, y=-1, z=0},
+			velocity = {x=0, y=2, z=0},
+			acceleration = {x=0, y=-1, z=0},
 			expirationtime = 1.5,
-			size = 6+math.random()*2,
-			texture = "smoke_puff.png^[transform"..math.random(0,7),
+			size = 6 + math.random() * 2,
+			texture = "smoke_puff.png^[transform" .. math.random(0, 7),
 		})
 		return
 	end
-	if player then
-		minetest.node_dig(pos, node, player)
-	end
+	minetest.node_dig(pos, node, player)
 end
 
-if not vector.line then
-	dofile(technic.modpath.."/tools/vector_line.lua")
-end
-
+local no_destroy = {
+	["air"] = true,
+	["default:lava_source"] = true,
+	["default:lava_flowing"] = true,
+}
 local function laser_shoot(player, range, particle_texture, sound)
-	local playerpos = player:getpos()
+	local player_pos = player:getpos()
+	local player_name = player:get_player_name()
 	local dir = player:get_look_dir()
 
-	local startpos = {x = playerpos.x, y = playerpos.y + 1.625, z = playerpos.z}
-	local mult_dir = vector.multiply(dir, 50)
+	local start_pos = vector.new(player_pos)
+	-- Adjust to head height
+	start_pos.y = start_pos.y + 1.6
 	minetest.add_particle({
 		pos = startpos,
-		vel = dir,
-		acc = mult_dir,
+		velocity = dir,
+		acceleration = vector.multiply(dir, 50),
 		expirationtime = range / 11,
 		size = 1,
-		texture = particle_texture.."^[transform"..math.random(0,7),
+		texture = particle_texture .. "^[transform" .. math.random(0, 7),
 	})
-	for _,pos in ipairs(vector.line(vector.round(startpos), dir, range)) do
-		laser_node(pos, player)
+	minetest.sound_play(sound, {pos = player_pos, max_hear_distance = range})
+	for pos in technic.trace_node_ray_fat(start_pos, dir, range) do
+		if minetest.is_protected(pos, player_name) then
+			minetest.record_protection_violation(pos, player_name)
+			break
+		end
+		local node = minetest.get_node_or_nil(pos)
+		if not node then
+			break
+		end
+		if not no_destroy[node.name] then
+			laser_node(pos, node, player)
+		end
 	end
-	minetest.sound_play(sound, {pos = playerpos, max_hear_distance = range})
 end
 
 
@@ -109,10 +103,12 @@
 
 			-- If there's enough charge left, fire the laser
 			if meta.charge >= m[4] then
-				meta.charge = meta.charge - m[4]
 				laser_shoot(user, m[2], "technic_laser_beam_mk"..m[1]..".png", "technic_laser_mk"..m[1])
-				technic.set_RE_wear(itemstack, meta.charge, m[3])
-				itemstack:set_metadata(minetest.serialize(meta))
+				if not technic.creative_mode then
+					meta.charge = meta.charge - m[4]
+					technic.set_RE_wear(itemstack, meta.charge, m[3])
+					itemstack:set_metadata(minetest.serialize(meta))
+				end
 			end
 			return itemstack
 		end,

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