From be32adc872a085f6ced03000362b352b121fa103 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Wed, 23 Feb 2011 11:10:09 +0200 Subject: updated scripting api a bit --HG-- rename : data/luaobjects/test/client.lua => data/scripts/objects/test/client.lua rename : data/luaobjects/test/server.lua => data/scripts/objects/test/server.lua --- data/luaobjects/test/client.lua | 135 ----------------------------------- data/luaobjects/test/server.lua | 154 ---------------------------------------- 2 files changed, 289 deletions(-) delete mode 100644 data/luaobjects/test/client.lua delete mode 100644 data/luaobjects/test/server.lua (limited to 'data/luaobjects/test') diff --git a/data/luaobjects/test/client.lua b/data/luaobjects/test/client.lua deleted file mode 100644 index 6c5003959..000000000 --- a/data/luaobjects/test/client.lua +++ /dev/null @@ -1,135 +0,0 @@ --- Client-side code of the test lua object - --- --- Some helper functions and classes --- - -function split(str, pat) - local t = {} -- NOTE: use {n = 0} in Lua-5.0 - local fpat = "(.-)" .. pat - local last_end = 1 - local s, e, cap = str:find(fpat, 1) - while s do - if s ~= 1 or cap ~= "" then - table.insert(t,cap) - end - last_end = e+1 - s, e, cap = str:find(fpat, last_end) - end - if last_end <= #str then - cap = str:sub(last_end) - table.insert(t, cap) - end - return t -end - --- For debugging -function dump(o) - if type(o) == 'table' then - local s = '{ ' - for k,v in pairs(o) do - if type(k) ~= 'number' then k = '"'..k..'"' end - s = s .. '['..k..'] = ' .. dump(v) .. ',' - end - return s .. '} ' - else - return tostring(o) - end -end - -function vector_subtract(a, b) - return {X=a.X-b.X, Y=a.Y-b.Y, Z=a.Z-b.Z} -end - -function vector_add(a, b) - return {X=a.X+b.X, Y=a.Y+b.Y, Z=a.Z+b.Z} -end - -function vector_multiply(a, d) - return {X=a.X*d, Y=a.Y*d, Z=a.Z*d} -end - -SmoothTranslator = {} -SmoothTranslator.__index = SmoothTranslator - -function SmoothTranslator.create() - local obj = {} - setmetatable(obj, SmoothTranslator) - obj.vect_old = {X=0, Y=0, Z=0} - obj.anim_counter = 0 - obj.anim_time = 0 - obj.anim_time_counter = 0 - obj.vect_show = {X=0, Y=0, Z=0} - obj.vect_aim = {X=0, Y=0, Z=0} - return obj -end - -function SmoothTranslator:update(vect_new) - self.vect_old = self.vect_show - self.vect_aim = vect_new - if self.anim_time < 0.001 or self.anim_time > 1.0 then - self.anim_time = self.anim_time_counter - else - self.anim_time = self.anim_time * 0.9 + self.anim_time_counter * 0.1 - end - self.anim_time_counter = 0 - self.anim_counter = 0 -end - -function SmoothTranslator:translate(dtime) - self.anim_time_counter = self.anim_time_counter + dtime - self.anim_counter = self.anim_counter + dtime - vect_move = vector_subtract(self.vect_aim, self.vect_old) - moveratio = 1.0 - if self.anim_time > 0.001 then - moveratio = self.anim_time_counter / self.anim_time - end - if moveratio > 1.5 then - moveratio = 1.5 - end - self.vect_show = vector_add(self.vect_old, vector_multiply(vect_move, moveratio)) -end - --- --- Actual code --- - -pos_trans = SmoothTranslator.create() -rot_trans = SmoothTranslator.create() - --- Callback functions - -function on_step(self, dtime) - pos_trans:translate(dtime) - rot_trans:translate(dtime) - object_set_position(self, pos_trans.vect_show) - object_set_rotation(self, rot_trans.vect_show) -end - -function on_process_message(self, data) - --print("client got message: " .. data) - - -- Receive our custom messages - - sp = split(data, " ") - if sp[1] == "pos" then - pos_trans:update({X=sp[2], Y=sp[3], Z=sp[4]}) - end - if sp[1] == "rot" then - rot_trans:update({X=sp[2], Y=sp[3], Z=sp[4]}) - end -end - -function on_initialize(self, data) - print("client object got initialization: " .. data) - - corners = { - {-1/2,-1/4, 0}, - { 1/2,-1/4, 0}, - { 1/2, 1/4, 0}, - {-1/2, 1/4, 0}, - } - object_add_to_mesh(self, "rat.png", corners, false) - -end - diff --git a/data/luaobjects/test/server.lua b/data/luaobjects/test/server.lua deleted file mode 100644 index e79d277ac..000000000 --- a/data/luaobjects/test/server.lua +++ /dev/null @@ -1,154 +0,0 @@ --- Server-side code of the test lua object - --- --- Some helper functions and classes --- - -function vector_subtract(a, b) - return {X=a.X-b.X, Y=a.Y-b.Y, Z=a.Z-b.Z} -end - -function vector_add(a, b) - return {X=a.X+b.X, Y=a.Y+b.Y, Z=a.Z+b.Z} -end - -function vector_multiply(a, d) - return {X=a.X*d, Y=a.Y*d, Z=a.Z*d} -end - --- --- Actual code --- - -counter = 0 -counter2 = 0 -counter3 = 0 -counter4 = 0 -death_counter = 0 --- This is got in initialization from object_get_base_position(self) -position = {X=0,Y=0,Z=0} -rotation = {X=0, Y=math.random(0,360), Z=0} -dir = 1 -temp1 = 0 - -function on_step(self, dtime) - --[[if position.Y > 9.5 then - position.Y = 6 - end - if position.Y < 5.5 then - position.Y = 9]] - - -- Limit step to a sane value; it jumps a lot while the map generator - -- is in action - if dtime > 0.5 then - dtime = 0.5 - end - - -- Returned value has these fields: - -- * int content - -- * int param1 - -- * int param2 - p = {X=position.X, Y=position.Y-0.35, Z=position.Z} - n = object_get_node(self, p) - f = get_content_features(n.content) - if f.walkable then - dir = 1 - else - dir = -1 - end - -- Keep the object approximately at ground level - position.Y = position.Y + dtime * 2.0 * dir - - -- Move the object around - position.X = position.X + math.cos(math.pi+rotation.Y/180*math.pi) - * dtime * 2.0 - position.Z = position.Z + math.sin(math.pi+rotation.Y/180*math.pi) - * dtime * 2.0 - - -- This value has to be set; it determines to which player the - -- object is near to and such - object_set_base_position(self, position) - - counter4 = counter4 - dtime - if counter4 < 0 then - counter4 = counter4 + math.random(0.5,8) - -- Mess around with the map - np = vector_add(position, {X=0,Y=0,Z=0}) - object_place_node(self, np, {content=0}) - -- A node could be digged out with this: - -- object_dig_node(self, np) - end - - counter3 = counter3 - dtime - if counter3 < 0 then - counter3 = counter3 + math.random(1,4) - rotation.Y = rotation.Y + math.random(-180, 180) - end - - -- Send some custom messages at a custom interval - - counter = counter - dtime - if counter < 0 then - counter = counter + 0.25 - if counter < 0 then - counter = 0 - end - - message = "pos " .. position.X .. " " .. position.Y .. " " .. position.Z - object_add_message(self, message) - - message = "rot " .. rotation.X .. " " .. rotation.Y .. " " .. rotation.Z - object_add_message(self, message) - end - - -- Mess around with the map - --[[counter2 = counter2 - dtime - if counter2 < 0 then - counter2 = counter2 + 3 - if temp1 == 0 then - temp1 = 1 - object_dig_node(self, {X=0,Y=1,Z=0}) - else - temp1 = 0 - n = {content=1} - object_place_node(self, {X=0,Y=5,Z=0}, n) - end - end]] - - -- Remove the object after some time - death_counter = death_counter + dtime - if death_counter > 30 then - object_remove(self) - end - -end - --- This stuff is passed to a newly created client-side counterpart of this object -function on_get_client_init_data(self) - -- Just return some data for testing - return "result of get_client_init_data" -end - --- This should return some data that mostly saves the state of this object --- Not completely implemented yet -function on_get_server_init_data(self) - -- Just return some data for testing - return "result of get_server_init_data" -end - --- When the object is loaded from scratch, this is called before the first --- on_step(). Data is an empty string or the output of an object spawner --- hook, but such things are not yet implemented. --- --- At reload time, the last output of get_server_init_data is passed as data. --- --- This should initialize the position of the object to the value returned --- by object_get_base_position(self) --- --- Not completely implemented yet --- -function on_initialize(self, data) - print("server object got initialization: " .. data) - position = object_get_base_position(self) -end - -- cgit v1.2.3