capturetheflag/mods/ctf/ctf_stats/init.lua
ANAND 5dfa347642
ctf_stats: Immediately write to mod storage at end of match (#608)
Add an optional force_save param to ctf_stats.save to allow bypassing the _needs_save check.
2020-05-07 11:19:20 +05:30

421 lines
11 KiB
Lua

ctf_stats = {}
local _needs_save = false
local storage = minetest.get_mod_storage()
local data_to_persist = { "matches", "players" }
ctf_stats.prev_match_summary = storage:get_string("prev_match_summary")
function ctf_stats.load_legacy()
local file = io.open(minetest.get_worldpath() .. "/ctf_stats.txt", "r")
if not file then
return false
end
local table = minetest.deserialize(file:read("*all"))
file:close()
if type(table) ~= "table" then
return false
end
ctf.log("ctf_stats", "Migrating stats...")
ctf_stats.matches = table.matches
ctf_stats.players = table.players
for name, player_stats in pairs(ctf_stats.players) do
if not player_stats.score or player_stats.score < 0 then
player_stats.score = 0
end
if player_stats.score > 300 then
player_stats.score = (player_stats.score - 300) / 30 + 300
end
if player_stats.score > 800 then
player_stats.score = 800
end
player_stats.wins = player_stats.wins or {}
if player_stats.blue_wins then
player_stats.wins.blue = player_stats.blue_wins
player_stats.blue_wins = nil
end
if player_stats.red_wins then
player_stats.wins.red = player_stats.red_wins
player_stats.red_wins = nil
end
player_stats.wins.blue = player_stats.wins.blue or 0
player_stats.wins.red = player_stats.wins.red or 0
end
ctf_stats.matches.wins = ctf_stats.matches.wins or {
red = ctf_stats.matches.red_wins or 0,
blue = ctf_stats.matches.blue_wins or 0,
}
_needs_save = true
os.remove(minetest.get_worldpath() .. "/ctf_stats.txt")
return true
end
function ctf_stats.load()
if not ctf_stats.load_legacy() then
for _, key in pairs(data_to_persist) do
ctf_stats[key] = minetest.parse_json(storage:get_string(key))
end
_needs_save = true
end
-- Make sure all tables are present
ctf_stats.players = ctf_stats.players or {}
ctf_stats.matches = ctf_stats.matches or {
wins = {
blue = 0,
red = 0,
},
skipped = 0,
}
ctf_stats.current = ctf_stats.current or {
red = {},
blue = {}
}
-- Strip players which have no score
for name, player_stats in pairs(ctf_stats.players) do
if not player_stats.score or player_stats.score <= 0 then
ctf_stats.players[name] = nil
_needs_save = true
else
player_stats.bounty_kills = player_stats.bounty_kills or 0
end
end
end
function ctf_stats.save(force_save)
if not _needs_save and not force_save then
return
end
_needs_save = false
for _, key in pairs(data_to_persist) do
storage:set_string(key, minetest.write_json(ctf_stats[key]))
end
minetest.after(13, ctf_stats.save)
end
minetest.after(13, ctf_stats.save)
function ctf_stats.player_or_nil(name)
return ctf_stats.players[name], ctf_stats.current.red[name] or ctf_stats.current.blue[name]
end
-- Returns a tuple: `player_stats`, `match_player_stats`
function ctf_stats.player(name)
local player_stats = ctf_stats.players[name]
if not player_stats then
player_stats = {
name = name,
wins = {
red = 0,
blue = 0,
},
kills = 0,
deaths = 0,
captures = 0,
attempts = 0,
score = 0,
bounty_kills = 0,
}
ctf_stats.players[name] = player_stats
end
local match_player_stats =
ctf_stats.current.red[name] or ctf_stats.current.blue[name]
return player_stats, match_player_stats
end
function ctf_stats.get_ordered_players()
local players = {}
-- Copy player stats into new empty table
for pname, pstat in pairs(ctf_stats.players) do
pstat.name = pname
pstat.color = nil
table.insert(players, pstat)
end
-- Sort table in the order of descending scores
table.sort(players, function(one, two)
return one.score > two.score
end)
return players
end
function ctf_stats.get_target(name, param)
param = param:trim()
-- If param is not empty, check if it's a number or a string
if param ~= "" then
-- Order of the following checks are as given below:
--
-- * `param` is returned as a string if player's stats exists
-- * If no matching stats exist, `param` is checked if it's a number
-- * If `param` isn't a number, it is assumed to be invalid, and nil is returned
-- * If `param` is a number, `param` is checked if out of bounds
-- * If `param` is not out of bounds, `param` is returned as a number, else nil
--
-- This order of checks is important because, in the case of `param` matching
-- both a number and a player name, it would be considered as a player name.
-- Check if param matches a player name
if ctf_stats.players[param] then
return param
else
-- Check if param is a number
local rank = tonumber(param)
if rank then
-- Check if param is within range
-- TODO: Fix this hack by maintaining two tables - an ordered list, and a hashmap
if rank <= 0 or rank > #ctf_stats.get_ordered_players() or
rank ~= math.floor(rank) then
return nil, "Invalid number or number out of bounds!"
else
return rank
end
else
return nil, "Invalid player name specified!"
end
end
else
return name
end
end
function ctf_stats.is_pro(name)
local stats = ctf_stats.player(name)
local kd = stats.kills / (stats.deaths == 0 and 1 or stats.deaths)
return stats.score >= 10000 and kd >= 1.5
end
ctf.register_on_join_team(function(name, tname)
ctf_stats.current[tname][name] = ctf_stats.current[tname][name] or {
kills = 0,
kills_since_death = 0,
deaths = 0,
attempts = 0,
captures = 0,
score = 0,
bounty_kills = 0,
}
end)
ctf_stats.winner_team = "-"
ctf_stats.winner_player = "-"
table.insert(ctf_flag.registered_on_capture, 1, function(name, flag)
local main, match = ctf_stats.player(name)
if main and match then
main.captures = main.captures + 1
main.score = main.score + 50
match.captures = match.captures + 1
match.score = match.score + 50
_needs_save = true
end
ctf_stats.winner_player = name
hud_score.new(name, {
name = "ctf_stats:flag_capture",
color = "0xFF00FF",
value = 50
})
end)
ctf_match.register_on_winner(function(winner)
ctf_stats.matches.wins[winner] = ctf_stats.matches.wins[winner] + 1
ctf_stats.winner_team = winner
-- Show match summary
local fs = ctf_stats.get_formspec_match_summary(ctf_stats.current,
ctf_stats.winner_team, ctf_stats.winner_player, ctf_match.get_match_duration())
for _, player in pairs(minetest.get_connected_players()) do
minetest.show_formspec(player:get_player_name(), "ctf_stats:eom", fs)
end
-- Set prev_match_summary and write to mod_storage
ctf_stats.prev_match_summary = fs
storage:set_string("prev_match_summary", fs)
ctf_stats.save(true)
end)
ctf_match.register_on_skip_match(function()
ctf_stats.matches.skipped = ctf_stats.matches.skipped + 1
-- Show match summary
local fs = ctf_stats.get_formspec_match_summary(ctf_stats.current,
ctf_stats.winner_team, ctf_stats.winner_player, ctf_match.get_match_duration())
for _, player in pairs(minetest.get_connected_players()) do
minetest.show_formspec(player:get_player_name(), "ctf_stats:eom", fs)
end
-- Set prev_match_summary and write to mod_storage
ctf_stats.prev_match_summary = fs
storage:set_string("prev_match_summary", fs)
ctf_stats.save(true)
end)
ctf_match.register_on_new_match(function()
ctf_stats.current = {
red = {},
blue = {}
}
ctf_stats.winner_team = "-"
ctf_stats.winner_player = "-"
_needs_save = true
end)
-- ctf_map can't be added as a dependency, as that'd result
-- in cyclic dependencies between ctf_map and ctf_stats
minetest.after(0, function()
ctf_map.register_on_map_loaded(function(map)
ctf_stats.current.map = map.name
end)
end)
ctf_flag.register_on_pick_up(function(name, flag)
local main, match = ctf_stats.player(name)
if main and match then
main.attempts = main.attempts + 1
main.score = main.score + 20
match.attempts = match.attempts + 1
match.score = match.score + 20
_needs_save = true
end
hud_score.new(name, {
name = "ctf_stats:flag_pick_up",
color = "0xAA00AA",
value = 20
})
end)
ctf_flag.register_on_precapture(function(name, flag)
local tplayer = ctf.player(name)
local main, _ = ctf_stats.player(name)
if main then
main.wins[tplayer.team] = main.wins[tplayer.team] + 1
_needs_save = true
end
return true
end)
local good_weapons = {
"default:sword_steel",
"default:sword_bronze",
"default:sword_mese",
"default:sword_diamond",
"default:pick_mese",
"default:pick_diamond",
"default:axe_mese",
"default:axe_diamond",
"default:shovel_mese",
"default:shovel_diamond",
"shooter:grenade",
"shooter:shotgun",
"shooter:rifle",
"shooter:machine_gun",
"sniper_rifles:rifle_762",
"sniper_rifles:rifle_magnum",
}
local function invHasGoodWeapons(inv)
for _, weapon in pairs(good_weapons) do
if inv:contains_item("main", weapon) then
return true
end
end
return false
end
local function calculateKillReward(victim, killer)
local vmain, victim_match = ctf_stats.player(victim)
-- +5 for every kill they've made since last death in this match.
local reward = victim_match.kills_since_death * 5
ctf.log("ctf_stats", "Player " .. victim .. " has made " .. reward ..
" score worth of kills since last death")
-- 30 * K/D ratio, with variable based on player's score
local kdreward = 30 * vmain.kills / (vmain.deaths + 1)
local max = vmain.score / 5
if kdreward > max then
kdreward = max
end
if kdreward > 100 then
kdreward = 100
end
reward = reward + kdreward
-- Limited to 5 <= X <= 250
if reward > 250 then
reward = 250
elseif reward < 5 then
reward = 5
end
-- Half if no good weapons
local inv = minetest.get_inventory({ type = "player", name = victim })
if not invHasGoodWeapons(inv) then
ctf.log("ctf_stats", "Player " .. victim .. " has no good weapons")
reward = reward * 0.5
else
ctf.log("ctf_stats", "Player " .. victim .. " has good weapons")
end
return reward
end
ctf.register_on_killedplayer(function(victim, killer)
-- Suicide is not encouraged here at CTF
if victim == killer then
return
end
local main, match = ctf_stats.player(killer)
if main and match then
local reward = calculateKillReward(victim, killer)
main.kills = main.kills + 1
main.score = main.score + reward
match.kills = match.kills + 1
match.score = match.score + reward
match.kills_since_death = match.kills_since_death + 1
_needs_save = true
reward = math.floor(reward * 100) / 100
hud_score.new(killer, {
name = "ctf_stats:kill_score",
color = "0x00FF00",
value = reward
})
end
end)
minetest.register_on_dieplayer(function(player)
local main, match = ctf_stats.player(player:get_player_name())
if main and match then
main.deaths = main.deaths + 1
match.deaths = match.deaths + 1
match.kills_since_death = 0
_needs_save = true
end
end)
ctf_stats.load()
dofile(minetest.get_modpath("ctf_stats") .. "/gui.lua")
dofile(minetest.get_modpath("ctf_stats") .. "/chat.lua")