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hermeticum
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start lua planning

trunk
vilmibm 2022-12-15 00:14:22 -08:00
parent f021ba0133
commit a210859041
4 changed files with 13 additions and 0 deletions
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1
go.mod
View File

@ -26,6 +26,7 @@ require (
github.com/mattn/go-runewidth v0.0.13 // indirect github.com/mattn/go-runewidth v0.0.13 // indirect
github.com/pkg/errors v0.9.1 // indirect github.com/pkg/errors v0.9.1 // indirect
github.com/rivo/uniseg v0.2.0 // indirect github.com/rivo/uniseg v0.2.0 // indirect
github.com/yuin/gopher-lua v0.0.0-20221210110428-332342483e3f // indirect
golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect

2
go.sum
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@ -164,6 +164,8 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/gopher-lua v0.0.0-20221210110428-332342483e3f h1:wihIB0V/mGpVYrL8I7n/WxVqWnP07CBXZ5uCgxUP1tI=
github.com/yuin/gopher-lua v0.0.0-20221210110428-332342483e3f/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q= github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI= go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=

9
server/cmd/main.go
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@ -22,6 +22,15 @@ var (
port = flag.Int("port", 6666, "The server port") port = flag.Int("port", 6666, "The server port")
) )
/*
I'm going to take a much simpler approach to scripts than I did in tildemush: objects just get one text column with no revision tracking. to avoid re-parsing scripts per verb check (as every overheard verb has to be checked against an object's script every verb utterance) i want an in-memory cache of lua states. i'm not actually sure if the goroutine unsafety is a problem for that. if it is, i can put goroutines in memory and send them verbs over channels. annoying, but should work if i have to. going to start with a naive map of object ids to scripts, re-parsing them if they get edited and updating the cache.
The cache will grow without bound as users enter rooms with objects. they ought to be garbage collected. i can do that in a goroutine though (check DB for objects in rooms with no players). One complication will be when I have "cron" support for objects. they will need to be "live" (ie, their scripts executable) in order to do their periodic tasks.
An idea I just had for a cron system: respond to a "tick" verb. at server start, once all in-world objects get parsed, start emitting "tick" events from a for loop in a goroutine in rooms with objects. this can be optimized for having a way to flag periodic-able objects so they don't get the verb if they wouldn't respond.
*/
func _main() (err error) { func _main() (err error) {
l, err := net.Listen("tcp", fmt.Sprintf(":%d", *port)) l, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil { if err != nil {

1
server/db/schema.sql
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@ -17,6 +17,7 @@ CREATE TABLE objects (
avatar boolean NOT NULL DEFAULT FALSE, avatar boolean NOT NULL DEFAULT FALSE,
bedroom boolean NOT NULL DEFAULT FALSE, bedroom boolean NOT NULL DEFAULT FALSE,
data jsonb NOT NULL, data jsonb NOT NULL,
script text,
owner integer REFERENCES accounts ON DELETE RESTRICT owner integer REFERENCES accounts ON DELETE RESTRICT
); );