Update readme.txt

breaker.lua

@@ -356,7 +356,7 @@ local function after_place_node_locked (pos, placer, itemstack, pointed_thing)
 		local meta = minetest.get_meta (pos)
 
 		meta:set_string ("owner", placer:get_player_name ())
-		meta:set_string ("infotext", "Dropper (owned by "..placer:get_player_name ()..")")
+		meta:set_string ("infotext", "Breaker (owned by "..placer:get_player_name ()..")")
 	end
 
 	-- If return true no item is taken from itemstack

change.log

@@ -54,3 +54,11 @@ v0.1.8
 	must now set velocity, can use force parameter.
 *	Removed spawning from this mod. Created lwcomponents_spawners to
 	register spawers.
+
+
+v0.1.9
+*	Fixed infotext on various nodes.
+
+
+v0.1.10
+*	Added cannons.

conduit.lua

@@ -396,7 +396,7 @@ local function after_place_node_locked (pos, placer, itemstack, pointed_thing)
 		local meta = minetest.get_meta (pos)
 
 		meta:set_string ("owner", placer:get_player_name ())
-		meta:set_string ("infotext", "Dropper (owned by "..placer:get_player_name ()..")")
+		meta:set_string ("infotext", "Conduit (owned by "..placer:get_player_name ()..")")
 	end
 
 	-- If return true no item is taken from itemstack

crafting.lua

@@ -3,6 +3,27 @@ local S = utils.S
 
 
 
+minetest.register_craft( {
+	output = "lwcomponents:cannon",
+	recipe = {
+		{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
+		{ "default:chest", "default:wood", "" },
+		{ "default:copper_ingot", "default:stone", "" },
+	},
+})
+
+
+minetest.register_craft( {
+	output = "lwcomponents:cannon_locked",
+	recipe = {
+		{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
+		{ "default:chest_locked", "default:wood", "" },
+		{ "default:copper_ingot", "default:stone", "" },
+	},
+})
+
+
+
 if utils.digilines_supported or utils.mesecon_supported then
 
 minetest.register_craft( {

dispenser.lua

@@ -158,11 +158,12 @@ local function dispense_item (pos, node, slot)
 						if not obj then
 							obj = minetest.add_item (spawn_pos, item)
 
-							obj:set_velocity (dispense_velocity (node))
+							if obj then
+								obj:set_velocity (dispense_velocity (node))
+							end
 						end
 
 						if obj then
-
 							stack:set_count (stack:get_count () - 1)
 							inv:set_stack ("main", slot, stack)
 

docs/cannon.txt

@@ -0,0 +1,63 @@
+Cannon
+------
+This item is available without digilines or mesecons as it can be used
+manually.
+
+Contains a single inventory slot and shoots an item on command.
+If the hopper mod is loaded, will take items from the top and sides, and
+release them from the bottom.
+
+Cannon rotation range:
+side to side - +/-60 degrees (- = left, + = right)
+down to up: -20 to 50 degrees (- = down, + = up)
+
+To spawn entities from cannons include the lwcomponents_spawners mod.
+
+Only the owner can dig or access the form of the locked version.
+
+UI
+
+Channel - digilines channel of cannon.
+Hide - hides the form so the cannon can be used manually, double right click
+		 any other face besides the rear to bring up the form.
+Controller - digistuff game controller digilines channel.
+Top 1 slot inventory - storage of items to shoot.
+Bottom 32 slot inventory - player's inventory.
+
+Manual control
+Place some items in the single slot, and click the Hide button. On the
+rear panel their are 4 gray buttons. Right clicking them turns the barrel
+in that direction 10 degrees. aux + right click turns 1 degree. Clicking
+the red button fires an item. To bring up the form again double right click
+any other face besides the rear.
+
+Digistuff game controller
+Connect a game controller to the cannon with digilines cable. Enter the
+game controller's channel in the Controller field of the cannon's form
+(click Set). Your turning movements turn the cannon's barrel in the
+direction the cannon is facing. The movements have an increased sensitivity
+(x3) to try and keep the target in your view. Punching shoots an item.
+The game controller updates every 0.2 seconds, so a quick punch may not
+register. A locked cannon can only be controlled by it's owner with a game
+controller.
+
+Mesecons
+	Shoots an item when power is turned on.
+
+Digilines messages
+
+"pitch <n>"
+	Sets the pitch of the barrel. n should be between -20 to 50, and will
+	be clipped to this range.
+	eg. "pitch 22"
+
+"rotation <n>"
+	Sets the rotation of the barrel. n should be between -60 to 60, and will
+	be clipped to this range.
+	eg. "rotation 45"
+
+"fire"
+	Shoots an item.
+
+*	Note: turning the barrel is animated and takes 0.1 seconds per 10
+			degrees of movement. A fire command while moving is ignored.

fan.lua

@@ -170,7 +170,7 @@ local function after_place_node_locked (pos, placer, itemstack, pointed_thing)
 		local meta = minetest.get_meta (pos)
 
 		meta:set_string ("owner", placer:get_player_name ())
-		meta:set_string ("infotext", "Hologram (owned by "..placer:get_player_name ()..")")
+		meta:set_string ("infotext", "Fan (owned by "..placer:get_player_name ()..")")
 	end
 
 	-- If return true no item is taken from itemstack

init.lua

@@ -1,4 +1,4 @@
-local version = "0.1.8"
+local version = "0.1.10"
 local mod_storage = minetest.get_mod_storage ()
 
 
@@ -31,6 +31,7 @@ loadfile (modpath.."/breaker.lua") (utils)
 loadfile (modpath.."/deployer.lua") (utils)
 loadfile (modpath.."/fan.lua") (utils)
 loadfile (modpath.."/conduit.lua") (utils, mod_storage)
+loadfile (modpath.."/cannon.lua") (utils)
 loadfile (modpath.."/extras.lua") (utils)
 loadfile (modpath.."/digiswitch.lua") (utils)
 loadfile (modpath.."/movefloor.lua") (utils)

license.txt

@@ -69,6 +69,8 @@ public domain.
 
 player button images derived from mesecons button image.
 
+cannon firing sound from tnt, released under CC BY-SA 3.0 and CC0 1.0
+
 All other media, or media not covered by a licence, is licensed
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
 

models/lwcomponents_cannon_barrel.obj

@@ -0,0 +1,625 @@
+# Blender v2.82 (sub 7) OBJ File: 'canon.blend'
+# www.blender.org
+mtllib lwcomponents_cannon_barrel.mtl
+o Canon
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+vn 0.2260 -0.8436 0.4871
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+vn -0.7071 -0.7071 0.0000
+usemtl None
+s off
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readme.txt

@@ -13,7 +13,7 @@ CC BY-SA 3.0
 
 Version
 =======
-0.1.8
+0.1.10
 
 
 Minetest Version
@@ -63,12 +63,14 @@ Various components for mesecons and digilines.
 *	Hologram, projects a hologram above the hologram node.
 *	Fan, blows any entity, player or drop in front of the fan.
 *	Conduit, connected in a circuit to move items.
+*	Cannon, shoots an item on command with directional aiming.
 *	Digiswitch, digilines controlled mesecons power.
 *	Movefloor, similar to vertical mesecons movestone.
 *	Solid color conductor blocks, same as Solid Color Block but also mesecons
 	and digilines conductor.
 
-To spawn entities from dispensers include the lwcomponents_spawners mod.
+To spawn entities from dispensers and cannons include the
+lwcomponents_spawners mod.
 
 See the docs folder for details on each item.
 
@@ -84,7 +86,7 @@ the relevant mod is loaded.
 The mod supports the following settings:
 
 Spawn mobs
-	Allow dispensers to spawn mobs instead of spawners.
+	Allow dispensers and cannons to spawn mobs instead of spawners.
 	Default: true
 
 Alert handler errors

settingtypes.txt

@@ -1,4 +1,4 @@
-# Allow dispensers to spawn mobs instead of spawners.
+# Allow dispensers and cannons to spawn mobs instead of spawners.
 lwcomponents_spawn_mobs (Spawn mobs) bool true
 
 # Issue errors when handler's of other mods fail.

siren.lua

@@ -269,7 +269,7 @@ local function after_place_node_locked (pos, placer, itemstack, pointed_thing)
 		local meta = minetest.get_meta (pos)
 
 		meta:set_string ("owner", placer:get_player_name ())
-		meta:set_string ("infotext", "Detector (owned by "..placer:get_player_name ()..")")
+		meta:set_string ("infotext", "Siren (owned by "..placer:get_player_name ()..")")
 	end
 
 	-- If return true no item is taken from itemstack

utils.lua

@@ -271,4 +271,62 @@ end
 
 
 
+function utils.can_place (pos)
+	local node = minetest.get_node_or_nil (pos)
+
+	if node and node.name ~= "air" then
+		local def = minetest.registered_nodes[node.name]
+
+		if not def or not def.buildable_to then
+			return false
+		end
+	end
+
+	return true
+end
+
+
+
+function utils.is_protected (pos, player)
+	local name = (player and player:get_player_name ()) or ""
+
+	return minetest.is_protected (pos, name)
+end
+
+
+
+function utils.get_on_rightclick (pos, player)
+	local node = minetest.get_node_or_nil (pos)
+
+	if node then
+		local def = minetest.registered_nodes[node.name]
+
+		if def and def.on_rightclick and
+			not (player and player:is_player () and
+				  player:get_player_control ().sneak) then
+
+				return def.on_rightclick
+		end
+	end
+
+	return nil
+end
+
+
+
+function utils.is_creative (player)
+	if minetest.settings:get_bool ("creative_mode") then
+		return true
+	end
+
+	if player and player:is_player () then
+		return minetest.is_creative_enabled (player:get_player_name ()) or
+				 minetest.check_player_privs (placer, "creative")
+	end
+
+	return false
+end
+
+
+
 --