mirror of
https://github.com/mvvasilev/last_light.git
synced 2025-04-19 12:49:52 +03:00
117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
package state
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import (
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"mvvasilev/last_light/engine"
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"mvvasilev/last_light/game/model"
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"mvvasilev/last_light/game/systems"
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"mvvasilev/last_light/game/ui/menu"
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"github.com/gdamore/tcell/v2"
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)
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type InventoryScreenState struct {
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eventLog *engine.GameEventLog
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inputSystem *systems.InputSystem
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turnSystem *systems.TurnSystem
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dungeon *model.Dungeon
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prevState GameState
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exitMenu bool
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inventoryMenu *menu.PlayerInventoryMenu
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selectedInventorySlot engine.Position
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player *model.Player
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}
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func CreateInventoryScreenState(eventLog *engine.GameEventLog, dungeon *model.Dungeon, inputSystem *systems.InputSystem, turnSystem *systems.TurnSystem, player *model.Player, prevState GameState) *InventoryScreenState {
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iss := new(InventoryScreenState)
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iss.eventLog = eventLog
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iss.inputSystem = inputSystem
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iss.turnSystem = turnSystem
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iss.prevState = prevState
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iss.player = player
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iss.selectedInventorySlot = engine.PositionAt(0, 0)
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iss.exitMenu = false
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iss.inventoryMenu = menu.CreatePlayerInventoryMenu(43, 0, player.Inventory(), tcell.StyleDefault, tcell.StyleDefault.Background(tcell.ColorDarkSlateGray))
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iss.dungeon = dungeon
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return iss
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}
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func (s *InventoryScreenState) InputContext() systems.InputContext {
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return systems.InputContext_Inventory
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}
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func (iss *InventoryScreenState) OnTick(dt int64) (nextState GameState) {
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nextAction := iss.inputSystem.NextAction()
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nextState = iss
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switch nextAction {
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case systems.InputAction_Menu_Exit:
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nextState = iss.prevState
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case systems.InputAction_InteractItem:
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item := iss.player.Inventory().ItemAt(iss.selectedInventorySlot.XY())
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if item == nil {
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break
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}
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if item.Usable() != nil {
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item.Usable().Use(iss.eventLog, iss.dungeon, iss.player)
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}
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if item.Equippable() != nil {
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if iss.player.Inventory().AtSlot(item.Equippable().Slot) != nil {
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iss.player.Inventory().Push(iss.player.Inventory().AtSlot(item.Equippable().Slot))
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}
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iss.player.Inventory().Equip(item, item.Equippable().Slot)
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}
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iss.player.Inventory().ReduceQuantityAt(iss.selectedInventorySlot.X(), iss.selectedInventorySlot.Y(), 1)
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case systems.InputAction_DropItem:
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iss.player.Inventory().Drop(iss.selectedInventorySlot.XY())
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case systems.InputAction_Menu_HighlightUp:
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if iss.selectedInventorySlot.Y() == 0 {
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break
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}
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iss.selectedInventorySlot = iss.selectedInventorySlot.WithOffset(0, -1)
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iss.inventoryMenu.SelectSlot(iss.selectedInventorySlot.XY())
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case systems.InputAction_Menu_HighlightDown:
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if iss.selectedInventorySlot.Y() == iss.player.Inventory().Shape().Height()-1 {
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break
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}
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iss.selectedInventorySlot = iss.selectedInventorySlot.WithOffset(0, +1)
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iss.inventoryMenu.SelectSlot(iss.selectedInventorySlot.XY())
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case systems.InputAction_Menu_HighlightLeft:
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if iss.selectedInventorySlot.X() == 0 {
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break
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}
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iss.selectedInventorySlot = iss.selectedInventorySlot.WithOffset(-1, 0)
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iss.inventoryMenu.SelectSlot(iss.selectedInventorySlot.XY())
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case systems.InputAction_Menu_HighlightRight:
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if iss.selectedInventorySlot.X() == iss.player.Inventory().Shape().Width()-1 {
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break
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}
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iss.selectedInventorySlot = iss.selectedInventorySlot.WithOffset(+1, 0)
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iss.inventoryMenu.SelectSlot(iss.selectedInventorySlot.XY())
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}
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return
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}
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func (iss *InventoryScreenState) CollectDrawables() []engine.Drawable {
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drawables := append(
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iss.prevState.CollectDrawables(),
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iss.inventoryMenu,
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)
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return drawables
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}
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