ginger/gim/main.go

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package main
import (
"math/rand"
"time"
"github.com/mediocregopher/ginger/gg"
"github.com/mediocregopher/ginger/gim/geo"
"github.com/mediocregopher/ginger/gim/terminal"
"github.com/mediocregopher/ginger/gim/view"
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)
// TODO be able to draw circular graphs
// TODO audit all steps, make sure everything is deterministic
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// TODO self-edges
//const (
// framerate = 10
// frameperiod = time.Second / time.Duration(framerate)
//)
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//func debugf(str string, args ...interface{}) {
// if !strings.HasSuffix(str, "\n") {
// str += "\n"
// }
// fmt.Fprintf(os.Stderr, str, args...)
//}
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func mkGraph() (*gg.Graph, gg.Value) {
a := gg.NewValue("a")
aE0 := gg.NewValue("aE0")
aE1 := gg.NewValue("aE1")
aE2 := gg.NewValue("aE2")
aE3 := gg.NewValue("aE3")
b0 := gg.NewValue("b0")
b1 := gg.NewValue("b1")
b2 := gg.NewValue("b2")
b3 := gg.NewValue("b3")
oaE0 := gg.ValueOut(a, aE0)
oaE1 := gg.ValueOut(a, aE1)
oaE2 := gg.ValueOut(a, aE2)
oaE3 := gg.ValueOut(a, aE3)
g := gg.ZeroGraph
g = g.AddValueIn(oaE0, b0)
g = g.AddValueIn(oaE1, b1)
g = g.AddValueIn(oaE2, b2)
g = g.AddValueIn(oaE3, b3)
c := gg.NewValue("c")
empty := gg.NewValue("")
jE := gg.TupleOut([]gg.OpenEdge{
gg.ValueOut(b0, empty),
gg.ValueOut(b1, empty),
gg.ValueOut(b2, empty),
gg.ValueOut(b3, empty),
}, gg.NewValue("jE"))
g = g.AddValueIn(jE, c)
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// TODO this really fucks it up
//d := gg.NewValue("d")
//deE := gg.ValueOut(d, gg.NewValue("deE"))
//g = g.AddValueIn(deE, gg.NewValue("e"))
return g, c
}
//func mkGraph() *gg.Graph {
// g := gg.Null
// g = g.AddValueIn(gg.ValueOut(str("a"), str("e")), str("b"))
// return g
//}
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func main() {
rand.Seed(time.Now().UnixNano())
term := terminal.New()
wSize := term.WindowSize()
center := geo.Zero.Midpoint(wSize)
g, start := mkGraph()
view := view.New(g, start, geo.Right, geo.Down)
viewBuf := terminal.NewBuffer()
view.Draw(viewBuf)
buf := terminal.NewBuffer()
buf.DrawBufferCentered(center, viewBuf)
term.Clear()
term.WriteBuffer(geo.Zero, buf)
term.SetPos(wSize.Add(geo.XY{0, -1}))
term.Draw()
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}