From 017cae4e98e02c3c754e844ae55fe155a0d2e095 Mon Sep 17 00:00:00 2001 From: Thorbjørn Lindeijer Date: Sun, 11 Mar 2012 18:54:38 +0100 Subject: Converted two Lua scripts from DOS to UNIX line endings --- example/scripts/crafting.lua | 176 +++++++++++++++++++++---------------------- 1 file changed, 88 insertions(+), 88 deletions(-) (limited to 'example/scripts/crafting.lua') diff --git a/example/scripts/crafting.lua b/example/scripts/crafting.lua index afe1e1b..1a7d0e5 100644 --- a/example/scripts/crafting.lua +++ b/example/scripts/crafting.lua @@ -1,88 +1,88 @@ ---[[ - - This file provides an example of a simple crafting system. - ---]] - --- a primitive example crafting system which cares about item order and exact amount -local function craft_strict(ch, recipe) - if (recipe[1].id == 8 and recipe[1].amount == 2 and -- has two iron - recipe[2].id == 9 and recipe[2].amount == 1) -- and one wood - then - chr_inv_change(ch, - 8, -2, --take away the iron - 9, -1, --take away the wood - 5, 1 ) -- give a sword - chat_message(ch, "You've crafted a sword") - return - end - chat_message(ch, "This wouldn't create anything useful") -end - --- this turns multiple occurences of the same item into one by adding up --- their amounts and sorts the recipe by item ID. --- This makes stuff a lot easier when your crafting system isn't supposed to --- care about the order items are in. -local function make_condensed_and_sorted_item_list(recipe) - local condensed = {} - for index, item in pairs(recipe) do - if condensed[item.id] == nil then - condensed[item.id] = item.amount - else - condensed[item.id] = condensed[item.id] + item.amount - end - end - - local sorted = {} - for id, amount in pairs(condensed) do - local item = {} - item.id = id - item.amount = amount - table.insert(sorted, item) - end - - table.sort(sorted, function(item1, item2) - return (item1.id < item2.id) - end) - - return sorted -end - --- a primitive example crafting system which doesn't care about item order --- and amount. It even allows to mention the same item multiple times. -local function craft_lax(ch, recipe) - recipe = make_condensed_and_sorted_item_list(recipe) - - if (recipe[1].id == 8 and recipe[1].amount >= 2 and -- has at least two iron - recipe[2].id == 9 and recipe[2].amount >= 1) -- and at least one wood - then - chr_inv_change(ch, - 8, -2, -- take away the iron - 9, -1, -- take away the wood - 5, 1 ) -- give a sword - chat_message(ch, "You've crafted a sword") - return - end - chat_message(ch, "This wouldn't create anything useful") -end - --- This function is registered with the game engine to use when a character --- tries to craft something from items in its inventory. -local function craft(ch, recipe) - -- ch is the crafting character - -- - -- recipe is a table with the ingredients. - -- it is a common 1-based array. each element of this array is a table with - -- the two keys "id" and "amount". - -- The engine has already checked that the character owns enough of those - -- things, so you needn't do this again. - - -- uncomment one (but not both!) of the following three lines to enable the - -- example crafting systems - - chat_message(ch, "There is no crafting in this game world.") - --craft_strict(ch, recipe) - --craft_lax(ch, recipe) -end - -on_craft(craft) +--[[ + + This file provides an example of a simple crafting system. + +--]] + +-- a primitive example crafting system which cares about item order and exact amount +local function craft_strict(ch, recipe) + if (recipe[1].id == 8 and recipe[1].amount == 2 and -- has two iron + recipe[2].id == 9 and recipe[2].amount == 1) -- and one wood + then + chr_inv_change(ch, + 8, -2, --take away the iron + 9, -1, --take away the wood + 5, 1 ) -- give a sword + chat_message(ch, "You've crafted a sword") + return + end + chat_message(ch, "This wouldn't create anything useful") +end + +-- this turns multiple occurences of the same item into one by adding up +-- their amounts and sorts the recipe by item ID. +-- This makes stuff a lot easier when your crafting system isn't supposed to +-- care about the order items are in. +local function make_condensed_and_sorted_item_list(recipe) + local condensed = {} + for index, item in pairs(recipe) do + if condensed[item.id] == nil then + condensed[item.id] = item.amount + else + condensed[item.id] = condensed[item.id] + item.amount + end + end + + local sorted = {} + for id, amount in pairs(condensed) do + local item = {} + item.id = id + item.amount = amount + table.insert(sorted, item) + end + + table.sort(sorted, function(item1, item2) + return (item1.id < item2.id) + end) + + return sorted +end + +-- a primitive example crafting system which doesn't care about item order +-- and amount. It even allows to mention the same item multiple times. +local function craft_lax(ch, recipe) + recipe = make_condensed_and_sorted_item_list(recipe) + + if (recipe[1].id == 8 and recipe[1].amount >= 2 and -- has at least two iron + recipe[2].id == 9 and recipe[2].amount >= 1) -- and at least one wood + then + chr_inv_change(ch, + 8, -2, -- take away the iron + 9, -1, -- take away the wood + 5, 1 ) -- give a sword + chat_message(ch, "You've crafted a sword") + return + end + chat_message(ch, "This wouldn't create anything useful") +end + +-- This function is registered with the game engine to use when a character +-- tries to craft something from items in its inventory. +local function craft(ch, recipe) + -- ch is the crafting character + -- + -- recipe is a table with the ingredients. + -- it is a common 1-based array. each element of this array is a table with + -- the two keys "id" and "amount". + -- The engine has already checked that the character owns enough of those + -- things, so you needn't do this again. + + -- uncomment one (but not both!) of the following three lines to enable the + -- example crafting systems + + chat_message(ch, "There is no crafting in this game world.") + --craft_strict(ch, recipe) + --craft_lax(ch, recipe) +end + +on_craft(craft) -- cgit