dfhack/scripts/modtools/projectile-trigger.lua

109 lines
2.5 KiB
Lua

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--scripts/modtools/projectile-trigger.lua
--author expwnent
--based on Putnam's projectileExpansion
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--TODO: trigger based on contaminants
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--[[=begin
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modtools/projectile-trigger
===========================
This triggers dfhack commands when projectiles hit their targets.
=end]]
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local eventful = require 'plugins.eventful'
local utils = require 'utils'
materialTriggers = materialTriggers or {}
eventful.enableEvent(eventful.eventType.UNLOAD,1)
eventful.onUnload.projectileTrigger = function()
materialTriggers = {}
end
function processTrigger(args)
local command2 = {}
for _,arg in ipairs(args.command) do
if arg == '\\LOCATION' then
table.insert(command2,args.pos.x)
table.insert(command2,args.pos.y)
table.insert(command2,args.pos.z)
elseif arg == '\\PROJECTILE_ID' then
table.insert(command2,args.projectile.id)
elseif arg == '\\FIRER_ID' then
table.insert(command2,args.projectile.firer.id)
elseif string.sub(arg,1,1) == '\\' then
table.insert(command2,string.sub(arg,2))
else
table.insert(command2,arg)
end
end
dfhack.run_command(table.unpack(command2))
end
eventful.onProjItemCheckImpact.expansion = function(projectile)
local matStr = dfhack.matinfo.decode(projectile.item):getToken()
local table = {}
table.pos = projectile.cur_pos
table.projectile = projectile
table.item = projectile.item
for _,args in ipairs(materialTriggers[matStr] or {}) do
utils.fillTable(args,table)
processTrigger(args)
utils.unfillTable(args,table)
end
end
validArgs = validArgs or utils.invert({
'help',
'clear',
'command',
'material',
})
local args = utils.processArgs({...}, validArgs)
if args.help then
print([[scripts/modtools/projectile-trigger.lua
arguments
-help
print this help message
-clear
unregister all triggers
-material
specify a material for projectiles that will trigger the command
examples:
INORGANIC:IRON
CREATURE_MAT:DWARF:BRAIN
PLANT_MAT:MUSHROOM_HELMET_PLUMP:DRINK
-command [ commandList ]
\\LOCATION
\\PROJECTILE_ID
\\FIRER_ID
\\anything -> \anything
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anything -> anything
]])
return
end
if args.clear then
materialTriggers = {}
end
if not args.command then
return
end
if not args.material then
error 'specify a material'
end
if not dfhack.matinfo.find(args.material) then
error ('invalid material: ' .. args.material)
end
if not materialTriggers[args.material] then
materialTriggers[args.material] = {}
end
table.insert(materialTriggers[args.material], args)