bubble up window size properly, add journal pages

data/journal.toml

@@ -0,0 +1,13 @@
+[[journalpage]]
+pageid = 0
+title = "It Begins"
+content = "So much to learn"
+[[journalpage.requires]]
+
+[[journalpage]]
+pageid = 1
+title = "Building"
+content = "Craft that motherfucking tea button"
+[[journalpage.requires]]
+name = "tea"
+value = 10

jmenu.go

@@ -0,0 +1,84 @@
+package main
+
+import (
+	sim "git.saintnet.tech/stryan/spacetea/simulator"
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type jEntry struct {
+	title, id string
+}
+
+func (i jEntry) Title() string       { return i.title }
+func (i jEntry) Description() string { return "" }
+func (i jEntry) ID() string          { return i.id }
+func (i jEntry) FilterValue() string { return i.title }
+
+type jMenuModel struct {
+	list     list.Model
+	lastSize tea.WindowSizeMsg
+}
+
+type readMsg string
+
+func newJMenuModel(pages []sim.JournalPage) jMenuModel {
+	var jm jMenuModel
+	items := []list.Item{}
+	for _, v := range pages {
+		items = append(items, jEntry{v.Title, v.ID()})
+	}
+	jm.list = list.New(items, list.NewDefaultDelegate(), 80, 32)
+	jm.list.DisableQuitKeybindings()
+	jm.list.Title = "Read which entry?"
+	return jm
+}
+
+func (j jMenuModel) Init() tea.Cmd {
+	return tea.EnterAltScreen
+}
+
+// Update is called when a message is received. Use it to inspect messages
+// and, in response, update the model and/or send a command.
+func (j jMenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		h, v := docStyle.GetFrameSize()
+		j.list.SetSize(msg.Width-h, msg.Height-v)
+		j.lastSize = msg
+		return j, nil
+	case tea.KeyMsg:
+		switch keypress := msg.String(); keypress {
+		case "ctrl-c":
+			return j, tea.Quit
+		case "esc":
+			return initMainscreen(), tea.Batch(j.GetSize, heartbeat())
+		case "enter":
+			return initMainscreen(), tea.Batch(j.GetSize, j.buildJmenuMsg, heartbeat())
+		}
+	}
+
+	var cmd tea.Cmd
+	j.list, cmd = j.list.Update(msg)
+	return j, cmd
+
+}
+
+// View renders the program's UI, which is just a string. The view is
+// rendered after every Update.
+func (j jMenuModel) View() string {
+	return j.list.View()
+}
+
+func (j jMenuModel) buildJmenuMsg() tea.Msg {
+	if j.list.SelectedItem() == nil {
+		return ""
+	}
+	i := j.list.SelectedItem().(jEntry)
+	return readMsg(i.ID())
+
+}
+
+func (m jMenuModel) GetSize() tea.Msg {
+	return m.lastSize
+}

jview.go

@@ -0,0 +1,128 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+const useHighPerformanceRenderer = false
+
+var (
+	titleStyle = func() lipgloss.Style {
+		b := lipgloss.RoundedBorder()
+		b.Right = "├"
+		return lipgloss.NewStyle().BorderStyle(b).Padding(0, 1)
+	}()
+
+	infoStyle = func() lipgloss.Style {
+		b := lipgloss.RoundedBorder()
+		b.Left = "┤"
+		return titleStyle.Copy().BorderStyle(b)
+	}()
+)
+
+type jview struct {
+	title    string
+	content  string
+	ready    bool
+	lastSize tea.WindowSizeMsg
+	viewport viewport.Model
+}
+
+func newJView(title, content string) jview {
+	return jview{title: title, content: content}
+}
+
+func (m jview) Init() tea.Cmd {
+	return nil
+}
+
+func (m jview) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var (
+		cmd  tea.Cmd
+		cmds []tea.Cmd
+	)
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		if k := msg.String(); k == "ctrl+c" || k == "q" || k == "esc" {
+			return initMainscreen(), tea.Batch(m.GetSize, heartbeat())
+		}
+
+	case tea.WindowSizeMsg:
+		m.lastSize = msg
+		headerHeight := lipgloss.Height(m.headerView())
+		footerHeight := lipgloss.Height(m.footerView())
+		verticalMarginHeight := headerHeight + footerHeight
+
+		if !m.ready {
+			// Since this program is using the full size of the viewport we
+			// need to wait until we've received the window dimensions before
+			// we can initialize the viewport. The initial dimensions come in
+			// quickly, though asynchronously, which is why we wait for them
+			// here.
+			m.viewport = viewport.New(msg.Width, msg.Height-verticalMarginHeight)
+			m.viewport.YPosition = headerHeight
+			m.viewport.HighPerformanceRendering = useHighPerformanceRenderer
+			m.viewport.SetContent(m.content)
+			m.ready = true
+
+			// This is only necessary for high performance rendering, which in
+			// most cases you won't need.
+			//
+			// Render the viewport one line below the header.
+			m.viewport.YPosition = headerHeight + 1
+		} else {
+			m.viewport.Width = msg.Width
+			m.viewport.Height = msg.Height - verticalMarginHeight
+		}
+
+		if useHighPerformanceRenderer {
+			// Render (or re-render) the whole viewport. Necessary both to
+			// initialize the viewport and when the window is resized.
+			//
+			// This is needed for high-performance rendering only.
+			cmds = append(cmds, viewport.Sync(m.viewport))
+		}
+	}
+
+	// Handle keyboard and mouse events in the viewport
+	m.viewport, cmd = m.viewport.Update(msg)
+	cmds = append(cmds, cmd)
+
+	return m, tea.Batch(cmds...)
+}
+
+func (m jview) View() string {
+	if !m.ready {
+		return "\n  Initializing..."
+	}
+	return fmt.Sprintf("%s\n%s\n%s", m.headerView(), m.viewport.View(), m.footerView())
+}
+
+func (m jview) headerView() string {
+	title := titleStyle.Render(m.title)
+	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(title)))
+	return lipgloss.JoinHorizontal(lipgloss.Center, title, line)
+}
+
+func (m jview) footerView() string {
+	info := infoStyle.Render(fmt.Sprintf("%3.f%%", m.viewport.ScrollPercent()*100))
+	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(info)))
+	return lipgloss.JoinHorizontal(lipgloss.Center, line, info)
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func (m jview) GetSize() tea.Msg {
+	return m.lastSize
+}

keymap.go

@@ -14,6 +14,7 @@ type keyMap struct {
 	Destroy key.Binding
 	Place   key.Binding
 	Craft   key.Binding
+	Journal key.Binding
 }
 
 // ShortHelp returns keybindings to be shown in the mini help view. It's part
@@ -26,7 +27,7 @@ func (k keyMap) ShortHelp() []key.Binding {
 // key.Map interface.
 func (k keyMap) FullHelp() [][]key.Binding {
 	return [][]key.Binding{
-		{k.Up, k.Down, k.Left, k.Right, k.Gather, k.Place, k.Craft, k.Destroy, k.Pickup, k.Help, k.Quit}, //second column
+		{k.Up, k.Down, k.Left, k.Right, k.Gather, k.Place, k.Craft, k.Destroy, k.Pickup, k.Journal, k.Help, k.Quit}, //second column
 	}
 }
 
@@ -75,4 +76,8 @@ var keys = keyMap{
 		key.WithKeys("c"),
 		key.WithHelp("c", "craft object"),
 	),
+	Journal: key.NewBinding(
+		key.WithKeys("v"),
+		key.WithHelp("v", "view journal"),
+	),
 }

main.go

@@ -14,7 +14,7 @@ func main() {
 	simulator = sim.NewSimulator()
 	simulator.Start()
 	parent := parent{initMainscreen()}
-	if err := tea.NewProgram(parent).Start(); err != nil {
+	if err := tea.NewProgram(parent, tea.WithAltScreen()).Start(); err != nil {
 		fmt.Printf("Uh oh, there was an error: %v\n", err)
 		os.Exit(1)
 	}

mainscreen.go

@@ -27,6 +27,7 @@ type model struct {
 	help     help.Model
 	keys     keyMap
 	next     string
+	lastSize tea.WindowSizeMsg
 }
 
 type beat struct{}
@@ -71,6 +72,8 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		return m, heartbeat()
 	case tea.WindowSizeMsg:
 		m.help.Width = msg.Width
+		m.lastSize = msg
+
 	case placeMsg:
 		simc := fmt.Sprintf("place %v", string(msg))
 		m.s.Input(simc)
@@ -79,6 +82,12 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		simc := fmt.Sprintf("craft %v", string(msg))
 		m.s.Input(simc)
 		return m, nil
+	case readMsg:
+		pid, err := strconv.Atoi(string(msg))
+		if err != nil {
+			panic(err)
+		}
+		return newJView(sim.GlobalPages[pid].Title, sim.GlobalPages[pid].Content), m.GetSize
 	case tea.KeyMsg:
 		switch {
 		case key.Matches(msg, m.keys.Help):
@@ -109,7 +118,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				}
 			}
 			sort.Sort(res)
-			return newMenuModel(res, placeMenu), nil
+			return newMenuModel(res, placeMenu), m.GetSize
 		case key.Matches(msg, m.keys.Pickup):
 			m.s.Input("pickup")
 		case key.Matches(msg, m.keys.Destroy):
@@ -120,7 +129,14 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				res = append(res, sim.GlobalItems[k].(sim.ItemEntry))
 			}
 			sort.Sort(res)
-			return newMenuModel(res, craftMenu), nil
+			return newMenuModel(res, craftMenu), m.GetSize
+		case key.Matches(msg, m.keys.Journal):
+			var res pagelist
+			for k := range m.s.Player.Pages {
+				res = append(res, sim.GlobalPages[k])
+			}
+			sort.Sort(res)
+			return newJMenuModel(res), m.GetSize
 		}
 	}
 	m.input, cmd = m.input.Update(msg)
@@ -140,3 +156,7 @@ func (m model) View() string {
 	}
 	return render
 }
+
+func (m model) GetSize() tea.Msg {
+	return m.lastSize
+}

menu.go

@@ -14,6 +14,7 @@ type menutype int
 const (
 	placeMenu menutype = iota
 	craftMenu
+	journalMenu
 )
 
 type item struct {
@@ -29,6 +30,7 @@ func (i item) FilterValue() string { return i.title }
 type menuModel struct {
 	list     list.Model
 	kind     menutype
+	lastSize tea.WindowSizeMsg
 }
 
 type placeMsg string
@@ -80,15 +82,16 @@ func (p menuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case tea.WindowSizeMsg:
 		h, v := docStyle.GetFrameSize()
 		p.list.SetSize(msg.Width-h, msg.Height-v)
+		p.lastSize = msg
 		return p, nil
 	case tea.KeyMsg:
 		switch keypress := msg.String(); keypress {
 		case "ctrl-c":
 			return p, tea.Quit
 		case "esc":
-			return initMainscreen(), heartbeat()
+			return initMainscreen(), tea.Batch(p.GetSize, heartbeat())
 		case "enter":
-			return initMainscreen(), tea.Batch(p.buildMenuMsg, heartbeat())
+			return initMainscreen(), tea.Batch(p.GetSize, p.buildMenuMsg, heartbeat())
 		}
 	}
 
@@ -102,3 +105,7 @@ func (p menuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (p menuModel) View() string {
 	return p.list.View()
 }
+
+func (p menuModel) GetSize() tea.Msg {
+	return p.lastSize
+}

pagelist.go

@@ -0,0 +1,36 @@
+package main
+
+import sim "git.saintnet.tech/stryan/spacetea/simulator"
+
+type pagelist []sim.JournalPage
+
+// Len is the number of elements in the collection.
+func (e pagelist) Len() int {
+	return len(e)
+}
+
+// Less reports whether the element with index i
+// must sort before the element with index j.
+//
+// If both Less(i, j) and Less(j, i) are false,
+// then the elements at index i and j are considered equal.
+// Sort may place equal elements in any order in the final result,
+// while Stable preserves the original input order of equal elements.
+//
+// Less must describe a transitive ordering:
+//  - if both Less(i, j) and Less(j, k) are true, then Less(i, k) must be true as well.
+//  - if both Less(i, j) and Less(j, k) are false, then Less(i, k) must be false as well.
+//
+// Note that floating-point comparison (the < operator on float32 or float64 values)
+// is not a transitive ordering when not-a-number (NaN) values are involved.
+// See Float64Slice.Less for a correct implementation for floating-point values.
+func (e pagelist) Less(i int, j int) bool {
+	return e[i].ID() < e[j].ID()
+}
+
+// Swap swaps the elements with indexes i and j.
+func (e pagelist) Swap(i int, j int) {
+	tmp := e[i]
+	e[i] = e[j]
+	e[j] = tmp
+}

parent.go

@@ -7,7 +7,7 @@ type parent struct {
 }
 
 func (m parent) Init() tea.Cmd {
-	return tea.Batch(m.current.Init(), tea.EnterAltScreen)
+	return tea.Batch(tea.EnterAltScreen, m.current.Init())
 }
 
 func (m parent) Update(msg tea.Msg) (tea.Model, tea.Cmd) {

simulator/journal.go

@@ -0,0 +1,38 @@
+package simulator
+
+import (
+	"strconv"
+
+	"github.com/BurntSushi/toml"
+)
+
+//PageID is a journal page
+type PageID int
+
+//JournalPage is a "flavour event"
+type JournalPage struct {
+	PageID   PageID     `toml:"pageid"`
+	Title    string     `toml:"title"`
+	Content  string     `toml:"content"`
+	Requires []relation `toml:"requires"`
+}
+
+func (j JournalPage) ID() string {
+	return strconv.Itoa(int(j.PageID))
+}
+
+//GlobalPages is a list of all pages
+var GlobalPages []JournalPage
+
+type pages struct {
+	JournalPage []JournalPage
+}
+
+func loadPages(filename string) {
+	var res pages
+	_, err := toml.DecodeFile(filename, &res)
+	if err != nil {
+		panic(err)
+	}
+	GlobalPages = res.JournalPage
+}

simulator/player.go

@@ -11,6 +11,7 @@ type Player struct {
 	Resources   map[itemType]int
 	Craftables  map[itemType]struct{}
 	Techs       map[TechID]Tech
+	Pages       map[PageID]JournalPage
 	CurrentTile *Tile
 	log         []string
 	logIndex    int
@@ -18,7 +19,13 @@ type Player struct {
 
 //NewPlayer initializes a player
 func NewPlayer() *Player {
-	return &Player{Resources: make(map[itemType]int), Techs: make(map[TechID]Tech), Craftables: make(map[itemType]struct{})}
+	p := &Player{
+		Resources:  make(map[itemType]int),
+		Techs:      make(map[TechID]Tech),
+		Craftables: make(map[itemType]struct{}),
+		Pages:      make(map[PageID]JournalPage),
+	}
+	return p
 }
 
 //AddItemByName adds the given amount of the item using the item name
@@ -100,6 +107,26 @@ func (p *Player) research() {
 	}
 }
 
+func (p *Player) journal() {
+	for _, page := range GlobalPages {
+		if _, ok := p.Pages[page.PageID]; ok {
+			continue
+		}
+
+		i := 0
+		for _, v := range page.Requires {
+			req := lookupByName(v.Name)
+			if p.Resources[req.ID()] >= v.Value {
+				i++
+			}
+		}
+		if i == len(page.Requires) {
+			p.Pages[page.PageID] = page
+			p.Announce(fmt.Sprintf("New Journal: %v", page.Title))
+		}
+	}
+}
+
 //Announce adds an entry to a players log
 func (p *Player) Announce(msg string) {
 	p.logIndex++

simulator/simulator.go

@@ -28,12 +28,17 @@ func NewSimulator() *Simulator {
 	loadResources("data/resources.toml")
 	log.Println("loading converters")
 	loadConverters("data/converters.toml")
+	log.Println("loading journal")
+	loadPages("data/journal.toml")
 	if len(GlobalItems) < 1 {
 		panic("Loaded items but nothing in global items table")
 	}
 	if len(GlobalTechs) < 1 {
 		panic("Loaded items but nothing in global items table")
 	}
+	if len(GlobalPages) < 1 {
+		panic("Loaded journal but no pages in table")
+	}
 	pod.Place(newResource(lookupByName("tea").ID()), 4, 4)
 	player.AddItem(itemType(1), 30)
 	player.AddItem(itemType(3), 5)
@@ -167,6 +172,7 @@ func (s *Simulator) main() {
 			s.Time = s.Time + 1
 			s.Place.Tick()
 			s.Player.research()
+			s.Player.journal()
 		}
 	}
 }