mirror of
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123 lines
4.5 KiB
Go
123 lines
4.5 KiB
Go
package systems
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import (
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"fmt"
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"github.com/gdamore/tcell/v2"
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)
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type InputContext string
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const (
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InputContext_Play = "play"
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InputContext_Menu = "menu"
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InputContext_Inventory = "inventory"
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InputContext_Look = "look"
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)
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type InputKey string
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func InputKeyOf(context InputContext, mod tcell.ModMask, key tcell.Key, r rune) InputKey {
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return InputKey(fmt.Sprintf("%v-%v-%v-%v", context, mod, key, r))
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}
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type InputAction int
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const (
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InputAction_None InputAction = iota
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InputAction_Move_North
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InputAction_Move_South
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InputAction_Move_East
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InputAction_Move_West
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InputAction_Interact
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InputAction_OpenInventory
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InputAction_PickUpItem
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InputAction_OpenLogs
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InputAction_DropItem
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InputAction_InteractItem
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InputAction_UseOn
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InputAction_Describe
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InputAction_EnterLookMode
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InputAction_Shoot
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InputAction_PauseGame
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InputAction_Menu_HighlightDown
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InputAction_Menu_HighlightUp
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InputAction_Menu_HighlightLeft
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InputAction_Menu_HighlightRight
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InputAction_Menu_Select
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InputAction_Menu_Exit
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)
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type InputSystem struct {
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keyBindings map[InputKey]InputAction
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nextAction InputAction
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}
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func CreateInputSystemWithDefaultBindings() *InputSystem {
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return &InputSystem{
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keyBindings: map[InputKey]InputAction{
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InputKeyOf(InputContext_Play, 0, tcell.KeyUp, 0): InputAction_Move_North,
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InputKeyOf(InputContext_Play, 0, tcell.KeyDown, 0): InputAction_Move_South,
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InputKeyOf(InputContext_Play, 0, tcell.KeyLeft, 0): InputAction_Move_West,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRight, 0): InputAction_Move_East,
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InputKeyOf(InputContext_Play, 0, tcell.KeyEsc, 0): InputAction_PauseGame,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRune, 'i'): InputAction_OpenInventory,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRune, 'l'): InputAction_OpenLogs,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRune, 'e'): InputAction_Interact,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRune, 'p'): InputAction_PickUpItem,
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InputKeyOf(InputContext_Play, 0, tcell.KeyRune, 'k'): InputAction_EnterLookMode,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyESC, 0): InputAction_Menu_Exit,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyLeft, 0): InputAction_Menu_HighlightLeft,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyRight, 0): InputAction_Menu_HighlightRight,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyUp, 0): InputAction_Menu_HighlightUp,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyDown, 0): InputAction_Menu_HighlightDown,
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InputKeyOf(InputContext_Menu, 0, tcell.KeyCR, 13): InputAction_Menu_Select,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyESC, 0): InputAction_Menu_Exit,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyRune, 'i'): InputAction_Menu_Exit,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyRune, 'e'): InputAction_InteractItem,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyRune, 'd'): InputAction_DropItem,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyLeft, 0): InputAction_Menu_HighlightLeft,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyRight, 0): InputAction_Menu_HighlightRight,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyUp, 0): InputAction_Menu_HighlightUp,
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InputKeyOf(InputContext_Inventory, 0, tcell.KeyDown, 0): InputAction_Menu_HighlightDown,
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InputKeyOf(InputContext_Look, 0, tcell.KeyUp, 0): InputAction_Move_North,
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InputKeyOf(InputContext_Look, 0, tcell.KeyDown, 0): InputAction_Move_South,
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InputKeyOf(InputContext_Look, 0, tcell.KeyLeft, 0): InputAction_Move_West,
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InputKeyOf(InputContext_Look, 0, tcell.KeyRight, 0): InputAction_Move_East,
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InputKeyOf(InputContext_Look, 0, tcell.KeyRune, 'd'): InputAction_Describe,
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InputKeyOf(InputContext_Look, 0, tcell.KeyRune, 'a'): InputAction_Shoot,
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InputKeyOf(InputContext_Look, 0, tcell.KeyESC, 0): InputAction_Menu_Exit,
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},
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}
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}
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func (kb *InputSystem) ImportBindings(imports map[InputKey]InputAction) {
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kb.keyBindings = imports
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}
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func (kb *InputSystem) ExportBindings() map[InputKey]InputAction {
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return kb.keyBindings
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}
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func (kb *InputSystem) Bind(key InputKey, action InputAction) {
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kb.keyBindings[key] = action
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}
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func (kb *InputSystem) Input(context InputContext, ev *tcell.EventKey) {
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kb.nextAction = kb.keyBindings[InputKeyOf(context, ev.Modifiers(), ev.Key(), ev.Rune())]
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}
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func (kb *InputSystem) NextAction() (nextAction InputAction) {
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nextAction = kb.nextAction
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kb.nextAction = InputAction_None
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return
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}
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