131 lines
3.4 KiB
Go
131 lines
3.4 KiB
Go
package doodle
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import (
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"fmt"
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"git.kirsle.net/SketchyMaze/doodle/pkg/balance"
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"git.kirsle.net/SketchyMaze/doodle/pkg/doodads"
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"git.kirsle.net/SketchyMaze/doodle/pkg/uix"
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"git.kirsle.net/go/render"
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"git.kirsle.net/go/ui"
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)
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// setupInventoryHud configures the Inventory HUD.
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func (s *PlayScene) setupInventoryHud() {
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s.invenFrame = ui.NewFrame("Inventory")
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s.invenDoodads = map[string]*uix.Canvas{}
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s.invenFrame.Configure(ui.Config{
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BorderStyle: ui.BorderRaised,
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BorderSize: 2,
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Background: render.RGBA(128, 128, 128, 60),
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})
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// Items label.
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label := ui.NewLabel(ui.Label{
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Text: "Items:",
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Font: balance.LabelFont,
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})
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label.Compute(s.d.Engine)
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// Configure the label tall enough to cover typical 32x32 item doodads.
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// This pushes the Frame height tall enough.
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label.Configure(ui.Config{
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Height: 36,
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Width: label.Size().W + 2,
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})
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s.invenFrame.Pack(label, ui.Pack{
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Side: ui.W,
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PadX: 2,
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PadY: 4,
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})
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// Add the inventory frame to the screen frame.
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s.screen.Place(s.invenFrame, ui.Place{
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Top: 40,
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Right: 40,
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})
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// Hide inventory if empty.
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if len(s.invenItems) == 0 {
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s.invenFrame.Hide()
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}
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}
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// computeInventory adjusts the inventory HUD when the player's inventory changes.
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func (s *PlayScene) computeInventory() {
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items := s.Player.ListItems()
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// Inventory has changed! See which doodads we have
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// and which we need to load.
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var seen = map[string]interface{}{}
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for _, filename := range items {
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seen[filename] = nil
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if _, ok := s.invenDoodads[filename]; !ok {
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// Cache miss. Load the doodad here.
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doodad, err := doodads.LoadFile(filename)
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if err != nil {
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s.d.FlashError("Inventory item '%s' error: %s", filename, err)
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continue
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}
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canvas := uix.NewCanvas(doodad.ChunkSize8(), false)
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canvas.SetBackground(render.RGBA(1, 0, 0, 0))
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canvas.LoadDoodad(doodad)
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canvas.Resize(render.NewRect(
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doodad.ChunkSize(), doodad.ChunkSize(),
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))
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s.invenFrame.Pack(canvas, ui.Pack{
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Side: ui.W,
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// TODO: work around a weird padding bug. item had too
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// tall a top margin when added to the inventory frame!
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PadX: 8,
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})
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s.invenDoodads[filename] = canvas
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}
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// For items with >1 quantity, show the quantity in the corner.
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if qty := s.Player.HasItem(filename); qty > 0 {
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s.invenDoodads[filename].CornerLabel = fmt.Sprintf("%d", qty)
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} else {
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s.invenDoodads[filename].CornerLabel = ""
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}
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s.invenDoodads[filename].Show()
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}
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// Hide any doodad that used to be in the inventory but now is not.
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for filename, canvas := range s.invenDoodads {
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if _, ok := seen[filename]; !ok {
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canvas.Hide()
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}
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}
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// Recompute the size of the inventory frame.
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// TODO: this works around a bug in ui.Frame, at the bottom of
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// compute_packed, a frame Resize's itself to fit the children but this
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// trips the "manually set size" boolean... packing more items after a
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// computer doesn't resize the frame. So here, we resize-auto it to
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// reset that boolean so the next compute, picks the right size.
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s.invenFrame.Configure(ui.Config{
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AutoResize: true,
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Width: 1,
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Height: 1,
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})
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s.invenFrame.Compute(s.d.Engine)
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// If we removed all items, hide the frame.
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if len(items) == 0 {
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s.invenFrame.Hide()
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} else {
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s.invenFrame.Show()
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}
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// Cache the item list so we don't run the above logic every single tick.
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s.invenItems = items
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// Compute the inventory frame so it positions and wraps the items.
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s.screen.Compute(s.d.Engine)
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}
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