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