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vcmi/scripts/lib/erm/DO.lua
AlexVinS ecaa9f5d0b Entities redesign and a few ERM features
* Made most Handlers derived from CHandlerBase and moved service API there.
* Declared existing Entity APIs.
* Added basic script context caching
* Started Lua script module
* Started Lua spell effect API
* Started script state persistence
* Started battle info callback binding
* CommitPackage removed
* Extracted spells::Caster to own header; Expanded Spell API.
* implemented !!MC:S, !!FU:E, !!FU:P, !!MA, !!VR:H, !!VR:C
* !!BU:C, !!BU:E, !!BU:G, !!BU:M implemented
* Allow use of "MC:S@varName@" to declare normal variable (technically v-variable with string key)
* Re-enabled VERM macros.
* !?GM0 added
* !?TM implemented
* Added !!MF:N
* Started !?OB, !!BM, !!HE, !!OW, !!UN
* Added basic support of w-variables
* Added support for ERM indirect variables
* Made !?FU regular trigger
* !!re (ERA loop receiver) implemented
* Fixed ERM receivers with zero args.
2021-02-14 19:05:43 +03:00

56 lines
989 B
Lua

local ReceiverBase = require("core:erm.ReceiverBase")
local DO = ReceiverBase:new()
function DO:new(ERM, fun, start, stop, inc)
assert(fun and start and stop and inc, "!!DO requires 4 arguments")
return ReceiverBase.new(self,
{
ERM=ERM,
fun=fun,
start=start,
stop=stop,
inc=inc,
})
end
function DO:P(x, ...)
local argc = select('#', ...)
local newx = {}
local ret = {}
do
local __iter, limit, step = tonumber(self.start), tonumber(self.stop), tonumber(self.inc)
while (step > 0 and __iter <= limit) or (step <= 0 and __iter >= limit) do
for idx = 1, argc do
local v = select(idx, ...)
if v ~= nil then
newx[tostring(idx)] = v
end
end
newx['16'] = __iter
self.ERM:callFunction(self.fun, newx)
__iter = newx['16']
__iter = __iter + step
end
end
for idx = 1, argc do
local v = select(idx, ...)
if v == nil then
ret[idx] = newx[tostring(idx)]
else
ret[idx] = nil
end
end
return unpack(ret)
end
return DO