Mercurial > prosody-modules

annotate mod_muc_dicebot/mod_muc_dicebot.lua @ 4936:a85efae90e21

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mod_rest: Expand mapping of XEP-0045 join stanza The previous 'join' mapping was apparently lost in translation when swithing to datamapper, so might as well map some properties allowing history control. Usually you probably want either zero history or history since the last known time of being joined. Maybe that the former should be the default?
author Kim Alvefur <zash@zash.se>
date Sat, 30 Apr 2022 01:00:01 +0200
parents 785389a2d2b3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4579
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
1 local muc = module:depends("muc");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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2 local rand = require"util.random";
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3
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4 local s_match = string.match;
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5 local s_gmatch = string.gmatch;
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Jonas Schäfer <jonas@wielicki.name>
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6 local t_insert = table.insert;
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Jonas Schäfer <jonas@wielicki.name>
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7 local t_concat = table.concat;
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8
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9 local rooms = module:get_option_set("muc_dicebot_rooms", nil);
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10 local xmlns_nick = "http://jabber.org/protocol/nick";
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11
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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12 local function is_room_affected(roomjid)
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13 return not rooms or rooms:contains(roomjid)
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14 end
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15
b305814bd930 mod_muc_dicebot: A thing to roll dice
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16 local function roll(sides)
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Jonas Schäfer <jonas@wielicki.name>
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17 if sides > 256 then
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18 return nil, "too many sides"
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19 end
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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20 local factor = math.floor(256 / sides);
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Jonas Schäfer <jonas@wielicki.name>
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21 local cutoff = sides * factor;
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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22 module:log("error", "%d -> %d %d %d", sides, max, factor, cutoff);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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23 for i=1,10 do
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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24 local randomness = string.byte(rand.bytes(1), 1);
b305814bd930 mod_muc_dicebot: A thing to roll dice
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25 module:log("error", "%d", randomness);
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26 if randomness < cutoff then
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27 return (randomness % sides) + 1
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28 end
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29 end
b305814bd930 mod_muc_dicebot: A thing to roll dice
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30 return nil, "failed to find valid number"
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31 end
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32
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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33 local function muc_broadcast_message(event)
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Jonas Schäfer <jonas@wielicki.name>
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34 if not is_room_affected(event.room.jid) then
b305814bd930 mod_muc_dicebot: A thing to roll dice
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35 return
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36 end
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37
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38 local stanza = event.stanza;
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39 local body = stanza:get_child("body");
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40 if not body then
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41 return
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42 end
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43
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b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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44 local text = body:get_text();
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45 module:log("error", "%q %q %q", stanza, body, text);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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46 local dice = s_match(text, "^[%.!]r%s(.+)$");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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47 if not dice or dice == "" then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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48 return
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49 end
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Jonas Schäfer <jonas@wielicki.name>
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50
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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51 local results = {};
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52 local count = 0;
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Jonas Schäfer <jonas@wielicki.name>
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53 local sum = 0;
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Jonas Schäfer <jonas@wielicki.name>
parents:
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54 for ndice, sep, sides in s_gmatch(dice, "(%d*)([wd]?)(%d+)") do
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55 if not sep or sep == "" then
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Jonas Schäfer <jonas@wielicki.name>
parents:
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56 sides = ndice .. sides
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57 ndice = "1"
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58 end
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59 local ndice = tonumber(ndice);
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60 count = count + ndice;
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Jonas Schäfer <jonas@wielicki.name>
parents:
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61 if count > 100 then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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62 return true
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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63 end
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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64 local sides = tonumber(sides);
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Jonas Schäfer <jonas@wielicki.name>
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65 for i=1,ndice do
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Jonas Schäfer <jonas@wielicki.name>
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66 local value = roll(sides);
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parents:
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67 t_insert(results, tostring(value));
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68 sum = sum + value;
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69 end
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parents:
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70 end
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Jonas Schäfer <jonas@wielicki.name>
parents:
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71 body:text("\n⇒ "..t_concat(results, " ").." (sum: "..sum..")");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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72 end
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parents:
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73
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Jonas Schäfer <jonas@wielicki.name>
parents:
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74 module:hook("muc-broadcast-message", muc_broadcast_message);