diff --git a/init.lua b/init.lua index 64d34bd..2c8c40c 100644 --- a/init.lua +++ b/init.lua @@ -1,185 +1,95 @@ -minetest.register_entity(":__builtin:item", { - initial_properties = { - hp_max = 1, - physical = true, - collisionbox = {-0.17,-0.17,-0.17, 0.17,0.17,0.17}, - visual = "sprite", - visual_size = {x=0.5, y=0.5}, - textures = {""}, - spritediv = {x=1, y=1}, - initial_sprite_basepos = {x=0, y=0}, - is_visible = false, - timer = 0, - }, +local function get_nodes(pos) + local tab,n = {},1 + for i = -1,1,2 do + for _,p in pairs({ + {x=pos.x+i, y=pos.y, z=pos.z}, + {x=pos.x, y=pos.y, z=pos.z+i} + }) do + tab[n] = {p, minetest.get_node(p)} + n = n+1 + end + end + return tab +end + +local function get_flowing_dir(pos) + local data = get_nodes(pos) + local param2 = minetest.get_node(pos).param2 + if param2 > 7 then + return + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + if name == "default:water_flowing" + and par2 < param2 then + return i[1] + end + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + if name == "default:water_flowing" + and par2 >= 11 then + return i[1] + end + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + local tmp = minetest.registered_nodes[name] + if tmp + and not tmp.walkable + and name ~= "default:water_flowing" then + return i[1] + end + end +end + +local item_entity = minetest.registered_entities["__builtin:item"] +local old_on_step = item_entity.on_step or function()end + +item_entity.on_step = function(self, dtime) + old_on_step(self, dtime) + + local p = self.object:getpos() - itemstring = '', - physical_state = true, - - set_item = function(self, itemstring) - self.itemstring = itemstring - local stack = ItemStack(itemstring) - local itemtable = stack:to_table() - local itemname = nil - if itemtable then - itemname = stack:to_table().name - end - local item_texture = nil - local item_type = "" - if minetest.registered_items[itemname] then - item_texture = minetest.registered_items[itemname].inventory_image - item_type = minetest.registered_items[itemname].type - end - prop = { - is_visible = true, - visual = "sprite", - textures = {"unknown_item.png"} - } - if item_texture and item_texture ~= "" then - prop.visual = "sprite" - prop.textures = {item_texture} - prop.visual_size = {x=0.50, y=0.50} - else - prop.visual = "wielditem" - prop.textures = {itemname} - prop.visual_size = {x=0.20, y=0.20} - prop.automatic_rotate = math.pi * 0.25 - end - self.object:set_properties(prop) - end, - - get_staticdata = function(self) - --return self.itemstring - return minetest.serialize({ - itemstring = self.itemstring, - always_collect = self.always_collect, - timer = self.timer, - }) - end, - - on_activate = function(self, staticdata, dtime_s) - if string.sub(staticdata, 1, string.len("return")) == "return" then - local data = minetest.deserialize(staticdata) - if data and type(data) == "table" then - self.itemstring = data.itemstring - self.always_collect = data.always_collect - self.timer = data.timer - if not self.timer then - self.timer = 0 - end - self.timer = self.timer+dtime_s - end - else - self.itemstring = staticdata - end - self.object:set_armor_groups({immortal=1}) - self.object:setvelocity({x=0, y=2, z=0}) - self.object:setacceleration({x=0, y=-10, z=0}) - self:set_item(self.itemstring) - end, - - on_step = function(self, dtime) - local time = tonumber(minetest.setting_get("remove_items")) - if not time then - time = 300 - end - if not self.timer then - self.timer = 0 - end - self.timer = self.timer + dtime - if time ~= 0 and (self.timer > time) then - self.object:remove() - end - - local p = self.object:getpos() - - local name = minetest.env:get_node(p).name - if name == "default:lava_flowing" or name == "default:lava_source" then - minetest.sound_play("builtin_item_lava", {pos=self.object:getpos()}) - self.object:remove() - return - end - - if minetest.registered_nodes[name].liquidtype == "flowing" then - get_flowing_dir = function(self) - local pos = self.object:getpos() - local param2 = minetest.env:get_node(pos).param2 - for i,d in ipairs({-1, 1, -1, 1}) do - if i<3 then - pos.x = pos.x+d - else - pos.z = pos.z+d - end - - local name = minetest.env:get_node(pos).name - local par2 = minetest.env:get_node(pos).param2 - if name == "default:water_flowing" and par2 < param2 then - return pos - end - - if i<3 then - pos.x = pos.x-d - else - pos.z = pos.z-d - end - end - end - - local vec = get_flowing_dir(self) - if vec then - local v = self.object:getvelocity() - if vec and vec.x-p.x > 0 then - self.object:setvelocity({x=0.5,y=v.y,z=0}) - elseif vec and vec.x-p.x < 0 then - self.object:setvelocity({x=-0.5,y=v.y,z=0}) - elseif vec and vec.z-p.z > 0 then - self.object:setvelocity({x=0,y=v.y,z=0.5}) - elseif vec and vec.z-p.z < 0 then - self.object:setvelocity({x=0,y=v.y,z=-0.5}) - end - self.object:setacceleration({x=0, y=-10, z=0}) - self.physical_state = true - self.object:set_properties({ - physical = true - }) - return - end - end - - p.y = p.y - 0.3 - local nn = minetest.env:get_node(p).name - -- If node is not registered or node is walkably solid - if not minetest.registered_nodes[nn] or minetest.registered_nodes[nn].walkable then - if self.physical_state then - self.object:setvelocity({x=0,y=0,z=0}) - self.object:setacceleration({x=0, y=0, z=0}) - self.physical_state = false - self.object:set_properties({ - physical = false - }) - end - else - if not self.physical_state then - self.object:setvelocity({x=0,y=0,z=0}) - self.object:setacceleration({x=0, y=-10, z=0}) - self.physical_state = true - self.object:set_properties({ - physical = true - }) - end - end - end, - - on_punch = function(self, hitter) - if self.itemstring ~= '' then - local left = hitter:get_inventory():add_item("main", self.itemstring) - if not left:is_empty() then - self.itemstring = left:to_string() - return - end - end + local name = minetest.get_node(p).name + if name == "default:lava_flowing" + or name == "default:lava_source" then + minetest.sound_play("builtin_item_lava", {pos=p}) self.object:remove() - end, -}) + return + end + + local tmp = minetest.registered_nodes[name] + if tmp + and tmp.liquidtype == "flowing" then + local vec = get_flowing_dir(self.object:getpos()) + if vec then + local v = self.object:getvelocity() + if vec.x-p.x > 0 then + self.object:setvelocity({x=0.5,y=v.y,z=0}) + elseif vec.x-p.x < 0 then + self.object:setvelocity({x=-0.5,y=v.y,z=0}) + elseif vec.z-p.z > 0 then + self.object:setvelocity({x=0,y=v.y,z=0.5}) + elseif vec.z-p.z < 0 then + self.object:setvelocity({x=0,y=v.y,z=-0.5}) + end + self.object:setacceleration({x=0, y=-10, z=0}) + self.physical_state = true + self.object:set_properties({ + physical = true + }) + end + end +end + +minetest.register_entity(":__builtin:item", item_entity) if minetest.setting_get("log_mods") then minetest.log("action", "builtin_item loaded") diff --git a/init.lua~ b/init.lua~ new file mode 100644 index 0000000..b3634ba --- /dev/null +++ b/init.lua~ @@ -0,0 +1,97 @@ +local function get_nodes(pos) + local tab,n = {},1 + for i = -1,1,2 do + for _,p in pairs({ + {x=pos.x+i, y=pos.y, z=pos.z}, + {x=pos.x, y=pos.y, z=pos.z+i} + }) do + tab[n] = {p, minetest.get_node(p)} + n = n+1 + end + end + return tab +end + +local function get_flowing_dir(pos) + pos = vector.round(pos) + local data = get_nodes(pos) + local param2 = minetest.get_node(pos).param2 + if param2 > 7 then + return + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + if name == "default:water_flowing" + and par2 < param2 then + return i[1] + end + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + if name == "default:water_flowing" + and par2 >= 11 then + return i[1] + end + end + for _,i in pairs(data) do + local nd = i[2] + local name = nd.name + local par2 = nd.param2 + local tmp = minetest.registered_nodes[name] + if tmp + and not tmp.walkable + and name ~= "default:water_flowing" then + return i[1] + end + end +end + +local item_entity = minetest.registered_entities["__builtin:item"] +local old_on_step = item_entity.on_step or function()end + +item_entity.on_step = function(self, dtime) + old_on_step(self, dtime) + + local p = self.object:getpos() + + local name = minetest.get_node(p).name + if name == "default:lava_flowing" + or name == "default:lava_source" then + minetest.sound_play("builtin_item_lava", {pos=p}) + self.object:remove() + return + end + + local tmp = minetest.registered_nodes[name] + if tmp + and tmp.liquidtype == "flowing" then + local vec = get_flowing_dir(self.object:getpos()) + if vec then + local v = self.object:getvelocity() + if vec.x-p.x > 0 then + self.object:setvelocity({x=0.5,y=v.y,z=0}) + elseif vec.x-p.x < 0 then + self.object:setvelocity({x=-0.5,y=v.y,z=0}) + elseif vec.z-p.z > 0 then + self.object:setvelocity({x=0,y=v.y,z=0.5}) + elseif vec.z-p.z < 0 then + self.object:setvelocity({x=0,y=v.y,z=-0.5}) + end + self.object:setacceleration({x=0, y=-10, z=0}) + self.physical_state = true + self.object:set_properties({ + physical = true + }) + end + end +end + +minetest.register_entity(":__builtin:item", item_entity) + +if minetest.setting_get("log_mods") then + minetest.log("action", "builtin_item loaded") +end