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86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
package ui
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import (
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"github.com/gdamore/tcell/v2"
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"github.com/jordanorelli/astro-domu/internal/sim"
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"github.com/jordanorelli/astro-domu/internal/wire"
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)
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type view interface {
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handleEvent(*UI, tcell.Event) bool
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notify(wire.Value)
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draw(*UI)
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}
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type roomDisplay struct {
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width int
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height int
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entities map[int]sim.Entity
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}
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func (m *roomDisplay) handleEvent(ui *UI, e tcell.Event) bool {
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switch v := e.(type) {
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case *tcell.EventKey:
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key := v.Key()
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if key == tcell.KeyRune {
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switch v.Rune() {
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case 'w':
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m.move(ui, 0, -1)
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case 'a':
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m.move(ui, -1, 0)
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case 's':
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m.move(ui, 0, 1)
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case 'd':
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m.move(ui, 1, 0)
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}
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}
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default:
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// ui.Debug("screen saw unhandled event of type %T", e)
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}
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return true
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}
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func (m *roomDisplay) notify(v wire.Value) {
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if e, ok := v.(*sim.Entity); ok {
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m.entities[e.ID] = *e
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}
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}
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func (m *roomDisplay) move(ui *UI, dx, dy int) {
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reply, err := ui.client.Send(sim.Move{dx, dy})
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if err != nil {
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return
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}
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e := reply.Body.(*sim.Entity)
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m.entities[e.ID] = *e
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}
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func (m *roomDisplay) draw(ui *UI) {
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offset := point{1, 1}
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// fill in background dots first
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for x := 0; x < m.width; x++ {
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for y := 0; y < m.height; y++ {
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ui.screen.SetContent(x+offset.x, y+offset.y, '·', nil, tcell.StyleDefault)
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}
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}
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// frame it
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ui.screen.SetContent(offset.x-1, offset.y-1, '┌', nil, tcell.StyleDefault)
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ui.screen.SetContent(offset.x+m.width, offset.y-1, '┐', nil, tcell.StyleDefault)
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ui.screen.SetContent(offset.x-1, offset.y+m.height, '└', nil, tcell.StyleDefault)
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ui.screen.SetContent(offset.x+m.width, offset.y+m.height, '┘', nil, tcell.StyleDefault)
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for x := 0; x < m.width; x++ {
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ui.screen.SetContent(x+offset.x, offset.y-1, '─', nil, tcell.StyleDefault)
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ui.screen.SetContent(x+offset.x, offset.y+m.height, '─', nil, tcell.StyleDefault)
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}
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for y := 0; y < m.height; y++ {
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ui.screen.SetContent(offset.x-1, y+offset.y, '│', nil, tcell.StyleDefault)
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ui.screen.SetContent(offset.x+m.width, y+offset.y, '│', nil, tcell.StyleDefault)
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}
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for _, e := range m.entities {
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ui.screen.SetContent(e.Position[0]+offset.x, e.Position[1]+offset.y, e.Glyph, nil, tcell.StyleDefault)
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}
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}
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