initial upload

init.lua

@@ -0,0 +1,127 @@
+
+-- global
+pova = {}
+
+-- local
+local pova_list = {}
+
+
+-- set player table and defaults on join
+minetest.register_on_joinplayer(function(player)
+	pova_list[ player:get_player_name() ] = {
+		default = {speed = 1, jump = 1, gravity = 1}}
+end)
+
+-- reset player table and defaults on respawn
+minetest.register_on_respawnplayer(function(player)
+	pova_list[ player:get_player_name() ] = {
+		default = {speed = 1, jump = 1, gravity = 1}}
+end)
+
+-- blank player table on leave
+minetest.register_on_leaveplayer(function(player)
+	pova_list[ player:get_player_name() ] = nil
+end)
+
+
+-- global command functions
+pova.set_override_defaults = function(name, def)
+	pova_list[name]["default"] = def
+end
+
+pova.add_override = function(name, item, def)
+	if item == "default" then return end
+	pova_list[name][item] = def
+end
+
+pova.get_override = function(name, item)
+	if item == "default" then return end
+	return pova[name][item]
+end
+
+pova.del_override = function(name, item)
+	if item == "default" then return end
+	pova_list[name][item] = nil
+end
+
+
+-- main counter that runs every second and totals override list
+local timer = 0
+minetest.register_globalstep(function(dtime)
+
+	timer = timer + dtime
+
+	-- every 1 second
+	if timer < 1 then
+		return
+	end
+
+	-- reset time for next check
+	timer = 0
+
+	-- define locals outside loop
+	local name, speed, jump, gravity
+
+	-- loop through players
+	for _,player in ipairs(minetest.get_connected_players()) do
+
+		name = player:get_player_name()
+
+		if pova_list[name] then
+
+			-- check for new defaults
+			speed = pova_list[name]["default"].speed or 1
+			jump = pova_list[name]["default"].jump or 1
+			gravity = pova_list[name]["default"].gravity or 1
+
+			for id, var in pairs(pova_list[name]) do
+
+				if var and id ~= "default" then
+
+					-- add any additional changes
+					speed = speed + (pova_list[name][id].speed or 0)
+					jump = jump + (pova_list[name][id].jump or 0)
+					gravity = gravity + (pova_list[name][id].gravity or 0)
+				end
+			end
+
+			print ("speed: " .. speed .. " / jump: " .. jump .. " / gravity: " .. gravity)
+
+			player:set_physics_override(speed, jump, gravity)
+
+		end
+	end
+end)
+
+
+-- axe tool to change defaults and add changes to table
+minetest.register_craftitem("pova:axe", {
+	description = "Test Axe (left to apply, right to remove effects)",
+	inventory_image = "default_tool_steelaxe.png",
+	liquids_pointable = true,
+
+	on_use = function(itemstack, user, pointed_thing)
+
+		local name = user:get_player_name()
+
+		-- set new defaults
+		pova.set_override_defaults(name, {
+			speed = 2, jump = 0.5, gravity = 1.0})
+
+		-- define changes that are added onto defaults
+		pova.add_override(name, "test", {
+			speed = 1, jump = 2, gravity = 0.5})
+	end,
+
+	on_place = function(itemstack, user, pointed_thing)
+
+		local name = user:get_player_name()
+
+		-- reset defaults
+		pova.set_override_defaults(name, {
+			speed = 1, jump = 1, gravity = 1})
+
+		-- remove changes
+		pova.del_override(name, "test")
+	end,
+})