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|
package main
import (
"time"
)
func (ui *gameui) Replay() {
g := ui.g
dl := g.DrawLog
if len(dl) == 0 {
return
}
g.DrawLog = nil
rep := &replay{ui: ui, frames: dl, frame: 0}
if ColorBase03 == Color256Base03 {
rep.color256 = true
}
rep.Run()
}
type replay struct {
ui *gameui
frames []drawFrame
undo [][]cellDraw
frame int
auto bool
speed time.Duration
evch chan repEvent
color256 bool
}
type repEvent int
const (
ReplayNext repEvent = iota
ReplayPrevious
ReplayTogglePause
ReplayQuit
ReplaySpeedMore
ReplaySpeedLess
)
func (rep *replay) Run() {
rep.auto = true
rep.speed = 1
rep.evch = make(chan repEvent, 100)
rep.undo = [][]cellDraw{}
go func(r *replay) {
r.PollKeyboardEvents()
}(rep)
for {
e := rep.PollEvent()
switch e {
case ReplayNext:
if rep.frame >= len(rep.frames) {
break
} else if rep.frame < 0 {
rep.frame = 0
}
rep.DrawFrame()
rep.frame++
case ReplayPrevious:
if rep.frame <= 1 {
break
} else if rep.frame >= len(rep.frames) {
rep.frame = len(rep.frames)
}
rep.frame--
rep.UndoFrame()
case ReplayQuit:
return
case ReplayTogglePause:
rep.auto = !rep.auto
case ReplaySpeedMore:
rep.speed *= 2
if rep.speed > 16 {
rep.speed = 16
}
case ReplaySpeedLess:
rep.speed /= 2
if rep.speed < 1 {
rep.speed = 1
}
}
}
}
func (rep *replay) DrawFrame() {
ui := rep.ui
df := rep.frames[rep.frame]
rep.undo = append(rep.undo, []cellDraw{})
j := len(rep.undo) - 1
for _, dr := range df.Draws {
i := ui.GetIndex(dr.X, dr.Y)
c := ui.g.DrawBuffer[i]
if rep.color256 {
dr.Cell.Fg = rep.ui.Map16ColorTo256(dr.Cell.Fg)
dr.Cell.Bg = rep.ui.Map16ColorTo256(dr.Cell.Bg)
} else {
dr.Cell.Bg = ui.Map256ColorTo16(dr.Cell.Bg)
dr.Cell.Fg = ui.Map256ColorTo16(dr.Cell.Fg)
}
rep.undo[j] = append(rep.undo[j], cellDraw{Cell: c, X: dr.X, Y: dr.Y})
ui.SetGenCell(dr.X, dr.Y, dr.Cell.R, dr.Cell.Fg, dr.Cell.Bg, dr.Cell.InMap)
}
ui.Flush()
ui.g.DrawLog = nil
}
func (rep *replay) UndoFrame() {
ui := rep.ui
df := rep.undo[len(rep.undo)-1]
for _, dr := range df {
ui.SetGenCell(dr.X, dr.Y, dr.Cell.R, dr.Cell.Fg, dr.Cell.Bg, dr.Cell.InMap)
}
rep.undo = rep.undo[:len(rep.undo)-1]
ui.Flush()
ui.g.DrawLog = nil
}
func (rep *replay) PollEvent() (in repEvent) {
if rep.auto && rep.frame <= len(rep.frames)-1 && rep.frame >= 0 {
var d time.Duration
if rep.frame > 0 {
d = rep.frames[rep.frame].Time.Sub(rep.frames[rep.frame-1].Time)
} else {
d = 0
}
if d >= 2*time.Second {
d = 2 * time.Second
}
d = d / rep.speed
if d <= 10*time.Millisecond {
d = 10 * time.Millisecond
}
t := time.NewTimer(d)
select {
case in = <-rep.evch:
case <-t.C:
in = ReplayNext
}
t.Stop()
} else {
in = <-rep.evch
}
return in
}
func (rep *replay) PollKeyboardEvents() {
for {
e := rep.ui.PollEvent()
if e.interrupt {
rep.evch <- ReplayNext
continue
}
switch e.key {
case "Q", "q", "\x1b":
rep.evch <- ReplayQuit
return
case "p", "P", " ":
rep.evch <- ReplayTogglePause
case "+", ">":
rep.evch <- ReplaySpeedMore
case "-", "<":
rep.evch <- ReplaySpeedLess
case ".", "6", "j", "n", "f":
rep.evch <- ReplayNext
case "4", "k", "N", "b":
rep.evch <- ReplayPrevious
default:
if !e.mouse {
break
}
switch e.button {
case 0:
rep.evch <- ReplayNext
case 1:
rep.evch <- ReplayTogglePause
case 2:
rep.evch <- ReplayPrevious
}
}
}
}
|
