100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package screens
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import (
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"lab.zaar.be/thefish/alchemyst-go/engine/ecs"
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"lab.zaar.be/thefish/alchemyst-go/engine/types"
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"strings"
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)
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type InventoryScreen struct {
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*MenuScreen
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items []ecs.Entity
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cursor int
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offset int
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pageSize int
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}
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func (is *InventoryScreen) MakeInverntory() *InventoryScreen {
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is.drawFunc = is.InventoryRender
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is.inputFunc = is.HandleInput
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return is
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}
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func (is *InventoryScreen) SetItems(items []ecs.Entity) *InventoryScreen {
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is.items = items
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return is
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}
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func (is *InventoryScreen) HandleInput(input string) {
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switch input {
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case "PageUp":
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is.offset = is.offset - 1
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if is.offset < 0 {
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is.offset = 0
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}
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break
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case "PageDown":
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is.offset = is.offset + 1
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if is.offset > len(is.items)-1 {
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is.offset = len(is.items) - 1
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}
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break
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case "enter":
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//select current under cursor
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break;
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case "a","b","c","d","e","f","g","h","i","j","k","l":
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//selct by letter
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break;
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case "Escape":
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fallthrough
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case "Space":
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is.scm.SetScreen(is.scm.PreviousScreen)
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break
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}
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}
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func (is *InventoryScreen) InventoryRender() {
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menuLayer := is.mw.GetLayer("menu")
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menuLayer.ClearRect(is.Rect)
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bgLayer := is.mw.GetLayer("menubg")
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bgLayer.ClearRect(is.Rect)
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bgLayer.WithColor(is.bgColor).NewWindow(is.Rect).Splash()
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menuLayer.WithColor(is.fgColor).NewWindow(is.Rect).DoubleBordered(is.title)
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menuLayer.Print(is.X+(is.W/2)-7, is.Y+is.H-1, "╡"+"[color=green]Space[/color] to close"+"╞")
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footerHeight := 0
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if is.footer != "" {
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_, footerHeight = menuLayer.PrintInside(is.Rect, is.footer, 9)
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footerHeight = footerHeight + 2
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}
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_, headerHeight := menuLayer.PrintInside(is.Rect, is.header, blt.TK_ALIGN_LEFT)
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itemField := types.Rect{is.X, is.Y + headerHeight + 1, is.W, is.H - headerHeight - footerHeight}
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_ = itemField
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var ilw, ilh int
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if (len(is.items) > 0) {
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//fixme itemfield object, scroller, inputhandler, current selected item
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menuItems := make([]string, 0)
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for i := is.offset; i < len(is.items); i++ {
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if string(is.items[i].(string)) != "" {
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menuItems = append(menuItems, is.items[i].(string))
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}
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}
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ilw, ilh = menuLayer.PrintInside(itemField, strings.Join(menuItems, "\n"), blt.TK_ALIGN_LEFT)
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}
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if ilh < len(is.items) {
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is.drawScrollBar(menuLayer, itemField)
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}
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if ilw > itemField.W-4 {
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fmt.Printf("Excess width of item names found! Need h-scroll of certain names")
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}
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}
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//func (ms *InventoryScreen) UseEcs() bool {return true}
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//func (ms *InventoryScreen) Enter() {}
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//func (ms *InventoryScreen) Exit() {}
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//func (ms *InventoryScreen) Render() {}
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