81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package witch
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import (
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"github.com/vilmibm/hermeticum/server/db"
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lua "github.com/yuin/gopher-lua"
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)
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/*
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the purpose of this package is to provide abstractions for sending verbs to game objects.
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Game objects get pulled from the DB into memory and their scripts become Lua States.
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*/
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type ScriptContext struct {
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script string
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l *lua.LState
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incoming chan string
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// TODO whatever is needed to support calling a Go API
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}
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func (sc *ScriptContext) NeedsRefresh(obj db.Object) bool {
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return sc.script != obj.Script
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}
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// TODO using a dummy script for now
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const dummyScript = `
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has({
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name = "spaghetti",
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description = "a plate of pasta covered in pomodoro sauce"
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})
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hears(".*eat.*", function(msg)
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does("quivers nervously")
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end)
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hears(".*", function(msg)
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tellMe(sender().name + " says " + msg)
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end)
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`
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/*
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allows({
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read = "world",
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write = "owner"
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carry = "owner",
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execute = "world",
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})
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hears(".*eat.*", function(msg)
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does("quivers nervously")
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end)
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`
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*/
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// TODO figure out channel stuff
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// TODO figure out how to inject WITCH header
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// - do i inject from Go or prepend some Lua code?
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// TODO figure out how the Lua code can affect Go and thus the database
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func NewScriptContext(obj db.Object) (*ScriptContext, error) {
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l := lua.NewState()
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l.SetGlobal("has", l.NewFunction(hasWrapper(obj)))
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l.SetGlobal("_handlers", l.NewTable())
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//if err := l.DoString(obj.Script); err != nil {
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if err := l.DoString(dummyScript); err != nil {
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return nil, err
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}
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return &ScriptContext{}, nil
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}
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func (sc *ScriptContext) Handle(verb, rest string, sender, target db.Object) error {
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// TODO call _handle function from the Lstate
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return nil
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}
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