Start initial stub work on fire.

mods/nc_fire/api.lua

@@ -0,0 +1,10 @@
+--[[
+node_def = {
+	group = { flammable = 1 }
+	fire_ignite = total heat intensity required to ignite
+	fire_intensity = heat level released (0.5x below, 2x above)
+	fire_fuel = amount of fuel contained (in intensity-seconds)
+	on_heat = function(pos, node, intensity, frompos) ... end
+}
+solo-inv take contained items into account!
+--]]

mods/nc_fire/depends.txt

@@ -0,0 +1 @@
+nc_api

mods/nc_fire/init.lua

@@ -0,0 +1,10 @@
+-- LUALOCALS < ---------------------------------------------------------
+local dofile, minetest
+    = dofile, minetest
+-- LUALOCALS > ---------------------------------------------------------
+
+local modname = minetest.get_current_modname()
+local path = minetest.get_modpath(modname)
+
+dofile(path .. "/api.lua")
+dofile(path .. "/node.lua")

mods/nc_fire/node.lua

@@ -0,0 +1,80 @@
+-- LUALOCALS < ---------------------------------------------------------
+local minetest
+    = minetest
+-- LUALOCALS > ---------------------------------------------------------
+
+local modname = minetest.get_current_modname()
+
+minetest.register_node(modname .. ":fire", {
+		description = "Fire",
+		drawtype = "firelike",
+		visual_scale = 1.5,
+		tiles = {modname .. "_fire.png"},
+		paramtype = "light",
+		light_source = 12,
+		damage_per_second = 2,
+		propagates_sunlight = true,
+		walkable = false,
+		pointable = false,
+		diggable = false,
+		buildable_to = true
+	})
+
+minetest.register_node(modname .. ":fuel", {
+		description = "Burning Embers",
+		tiles = {modname .. "_fuel.png"},
+		paramtype = "light",
+		light_source = 6,
+		groups = { falling_node = 1 },
+		drop = "",
+		diggable = false,
+		on_punch = function(pos, node, puncher)
+			puncher:set_hp(puncher:get_hp() - 1)
+		end
+	})
+
+minetest.register_node(modname .. ":ash", {
+		description = "Ash",
+		tiles = {modname .. "_ash.png"},
+		groups = { falling_node = 1, crumbly = 3 }
+	})
+
+minetest.register_abm({
+		label = "Fire Requires Fuel",
+		interval = 1,
+		chance = 1,
+		nodenames = {modname .. ":fire"},
+		action = function(pos)
+			local node = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z })
+			if node.name == modname .. ":fuel" then return end
+			node = minetest.get_node({x = pos.x + 1, y = pos.y, z = pos.z })
+			if node.name == modname .. ":fuel" then return end
+			node = minetest.get_node({x = pos.x - 1, y = pos.y, z = pos.z })
+			if node.name == modname .. ":fuel" then return end
+			node = minetest.get_node({x = pos.x, y = pos.y, z = pos.z + 1})
+			if node.name == modname .. ":fuel" then return end
+			node = minetest.get_node({x = pos.x, y = pos.y, z = pos.z - 1})
+			if node.name == modname .. ":fuel" then return end
+			return minetest.remove_node(pos)
+		end
+	})
+
+local function mkfire(pos, dx, dy, dz)
+	pos = {x = pos.x + dx, y = pos.y + dy, z = pos.z + dz}
+	if minetest.get_node(pos).name ~= "air" then return end
+	return minetest.set_node(pos, {name = modname .. ":fire"})
+end
+minetest.register_abm({
+		label = "Fuel Spawns Fire",
+		interval = 1,
+		chance = 1,
+		nodenames = {modname .. ":fuel"},
+		neighbors = {"air"},
+		action = function(pos)
+			mkfire(pos, 0, 1, 0)
+			mkfire(pos, 1, 0, 0)
+			mkfire(pos, -1, 0, 0)
+			mkfire(pos, 0, 0, 1)
+			mkfire(pos, 0, 0, -1)
+		end
+	})

mods/nc_hud/init.lua

@@ -3,8 +3,6 @@ local minetest
     = minetest
 -- LUALOCALS > ---------------------------------------------------------
 
-local minetest = minetest
-
 local health_bar_definition =
 {
 	hud_elem_type = "statbar",

mods/nc_player/init.lua

@@ -7,7 +7,7 @@ minetest.register_on_joinplayer(function(player)
 		player:set_properties({
 				visual = "upright_sprite",
 				visual_size = { x = 1, y = 2 },
-				textures = { "nc_player_front.png", "nc_player_back.png" },
+				textures = { "nc_player_front.png", "nc_player_back.png" }
 			})
 
 		player:get_inventory():set_size("main", 8)