layla/golang-game-framework
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Simple keyboard input & pause system

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This commit is contained in:
Layla
2022-07-17 20:19:02 -04:00
parent cb1bdec005
commit 994f9a06c8
12 changed files with 418 additions and 17 deletions
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7
sdl/event_handler.go Normal file
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@ -0,0 +1,7 @@
package sdl
import (
"github.com/veandco/go-sdl2/sdl"
)
type SdlEventHandler func(sdl.Event)

53
sdl/input_handler.go Normal file
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@ -0,0 +1,53 @@
package sdl
import (
"github.com/veandco/go-sdl2/sdl"
)
const EXPECTED_KEYBOARD_STATE_SIZE = 512
type SdlInputHandler struct {
keyState []uint8
lastKeyState []uint8
}
func (input *SdlInputHandler) IsKeyDown(key uint) bool {
keys := sdl.GetKeyboardState()
if keys[key] == 1 {
return true
}
return false
}
func (input *SdlInputHandler) IsKeyJustPressed(key uint) bool {
if input.keyState[key] == 1 && input.lastKeyState[key] == 0 {
return true
}
return false
}
func (input *SdlInputHandler) IsKeyJustReleased(key uint) bool {
if input.keyState[key] == 0 && input.lastKeyState[key] == 1 {
return true
}
return false
}
func (input *SdlInputHandler) Update() error {
copy(input.lastKeyState, input.keyState)
input.keyState = sdl.GetKeyboardState()
return nil
}
func NewSdlInputHandler() *SdlInputHandler {
handler := &SdlInputHandler{}
handler.lastKeyState = make([]uint8, EXPECTED_KEYBOARD_STATE_SIZE)
handler.keyState = make([]uint8, EXPECTED_KEYBOARD_STATE_SIZE)
return handler
}

14
sdl/sdl_render2d.go → sdl/render2d.go
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@ -13,6 +13,7 @@ type SdlRenderer2D struct {
window *sdl.Window
renderer *sdl.Renderer
currentCamera *rendering.Camera2D
inputHandler *SdlEventHandler
}
type SdlRenderer2DInput struct {
@ -53,7 +54,7 @@ func NewSdlRenderer2D(input SdlRenderer2DInput) *SdlRenderer2D {
return w
}
func (w SdlRenderer2D) Destroy() {
func (w *SdlRenderer2D) Destroy() {
if err := w.window.Destroy(); err != nil {
log.Print("Failed to destroy SDL window: ", err)
}
@ -68,17 +69,22 @@ func (w *SdlRenderer2D) SetCamera(camera *rendering.Camera2D) error {
return nil
}
func (w SdlRenderer2D) Update() error {
func (w *SdlRenderer2D) Update() error {
for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
switch event.(type) {
case *sdl.QuitEvent:
return errors.New("Quit system not yet implemented!")
default:
if w.inputHandler != nil {
handler := *w.inputHandler
handler(event)
}
}
}
return nil
}
func (w SdlRenderer2D) DrawTexture2D(input rendering.DrawTexture2DInput) error {
func (w *SdlRenderer2D) DrawTexture2D(input rendering.DrawTexture2DInput) error {
tex, ok := input.Texture.(*SdlTexture2D)
if !ok {
return errors.New("Texture is not an SdlTexture2D!")
@ -117,7 +123,7 @@ func (w SdlRenderer2D) DrawTexture2D(input rendering.DrawTexture2DInput) error {
return nil
}
func (w SdlRenderer2D) Draw() error {
func (w *SdlRenderer2D) Draw() error {
w.renderer.Present()

260
sdl/scancode.go Normal file
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@ -0,0 +1,260 @@
package sdl
import (
"github.com/veandco/go-sdl2/sdl"
)
const (
SCANCODE_UNKNOWN = sdl.SCANCODE_UNKNOWN
SCANCODE_A = sdl.SCANCODE_A
SCANCODE_B = sdl.SCANCODE_B
SCANCODE_C = sdl.SCANCODE_C
SCANCODE_D = sdl.SCANCODE_D
SCANCODE_E = sdl.SCANCODE_E
SCANCODE_F = sdl.SCANCODE_F
SCANCODE_G = sdl.SCANCODE_G
SCANCODE_H = sdl.SCANCODE_H
SCANCODE_I = sdl.SCANCODE_I
SCANCODE_J = sdl.SCANCODE_J
SCANCODE_K = sdl.SCANCODE_K
SCANCODE_L = sdl.SCANCODE_L
SCANCODE_M = sdl.SCANCODE_M
SCANCODE_N = sdl.SCANCODE_N
SCANCODE_O = sdl.SCANCODE_O
SCANCODE_P = sdl.SCANCODE_P
SCANCODE_Q = sdl.SCANCODE_Q
SCANCODE_R = sdl.SCANCODE_R
SCANCODE_S = sdl.SCANCODE_S
SCANCODE_T = sdl.SCANCODE_T
SCANCODE_U = sdl.SCANCODE_U
SCANCODE_V = sdl.SCANCODE_V
SCANCODE_W = sdl.SCANCODE_W
SCANCODE_X = sdl.SCANCODE_X
SCANCODE_Y = sdl.SCANCODE_Y
SCANCODE_Z = sdl.SCANCODE_Z
SCANCODE_1 = sdl.SCANCODE_1
SCANCODE_2 = sdl.SCANCODE_2
SCANCODE_3 = sdl.SCANCODE_3
SCANCODE_4 = sdl.SCANCODE_4
SCANCODE_5 = sdl.SCANCODE_5
SCANCODE_6 = sdl.SCANCODE_6
SCANCODE_7 = sdl.SCANCODE_7
SCANCODE_8 = sdl.SCANCODE_8
SCANCODE_9 = sdl.SCANCODE_9
SCANCODE_0 = sdl.SCANCODE_0
SCANCODE_RETURN = sdl.SCANCODE_RETURN
SCANCODE_ESCAPE = sdl.SCANCODE_ESCAPE
SCANCODE_BACKSPACE = sdl.SCANCODE_BACKSPACE
SCANCODE_TAB = sdl.SCANCODE_TAB
SCANCODE_SPACE = sdl.SCANCODE_SPACE
SCANCODE_MINUS = sdl.SCANCODE_MINUS
SCANCODE_EQUALS = sdl.SCANCODE_EQUALS
SCANCODE_LEFTBRACKET = sdl.SCANCODE_LEFTBRACKET
SCANCODE_RIGHTBRACKET = sdl.SCANCODE_RIGHTBRACKET
SCANCODE_BACKSLASH = sdl.SCANCODE_BACKSLASH
SCANCODE_NONUSHASH = sdl.SCANCODE_NONUSHASH
SCANCODE_SEMICOLON = sdl.SCANCODE_SEMICOLON
SCANCODE_APOSTROPHE = sdl.SCANCODE_APOSTROPHE
SCANCODE_GRAVE = sdl.SCANCODE_GRAVE
SCANCODE_COMMA = sdl.SCANCODE_COMMA
SCANCODE_PERIOD = sdl.SCANCODE_PERIOD
SCANCODE_SLASH = sdl.SCANCODE_SLASH
SCANCODE_CAPSLOCK = sdl.SCANCODE_CAPSLOCK
SCANCODE_F1 = sdl.SCANCODE_F1
SCANCODE_F2 = sdl.SCANCODE_F2
SCANCODE_F3 = sdl.SCANCODE_F3
SCANCODE_F4 = sdl.SCANCODE_F4
SCANCODE_F5 = sdl.SCANCODE_F5
SCANCODE_F6 = sdl.SCANCODE_F6
SCANCODE_F7 = sdl.SCANCODE_F7
SCANCODE_F8 = sdl.SCANCODE_F8
SCANCODE_F9 = sdl.SCANCODE_F9
SCANCODE_F10 = sdl.SCANCODE_F10
SCANCODE_F11 = sdl.SCANCODE_F11
SCANCODE_F12 = sdl.SCANCODE_F12
SCANCODE_PRINTSCREEN = sdl.SCANCODE_PRINTSCREEN
SCANCODE_SCROLLLOCK = sdl.SCANCODE_SCROLLLOCK
SCANCODE_PAUSE = sdl.SCANCODE_PAUSE
SCANCODE_INSERT = sdl.SCANCODE_INSERT
SCANCODE_HOME = sdl.SCANCODE_HOME
SCANCODE_PAGEUP = sdl.SCANCODE_PAGEUP
SCANCODE_DELETE = sdl.SCANCODE_DELETE
SCANCODE_END = sdl.SCANCODE_END
SCANCODE_PAGEDOWN = sdl.SCANCODE_PAGEDOWN
SCANCODE_RIGHT = sdl.SCANCODE_RIGHT
SCANCODE_LEFT = sdl.SCANCODE_LEFT
SCANCODE_DOWN = sdl.SCANCODE_DOWN
SCANCODE_UP = sdl.SCANCODE_UP
SCANCODE_NUMLOCKCLEAR = sdl.SCANCODE_NUMLOCKCLEAR
SCANCODE_KP_DIVIDE = sdl.SCANCODE_KP_DIVIDE
SCANCODE_KP_MULTIPLY = sdl.SCANCODE_KP_MULTIPLY
SCANCODE_KP_MINUS = sdl.SCANCODE_KP_MINUS
SCANCODE_KP_PLUS = sdl.SCANCODE_KP_PLUS
SCANCODE_KP_ENTER = sdl.SCANCODE_KP_ENTER
SCANCODE_KP_1 = sdl.SCANCODE_KP_1
SCANCODE_KP_2 = sdl.SCANCODE_KP_2
SCANCODE_KP_3 = sdl.SCANCODE_KP_3
SCANCODE_KP_4 = sdl.SCANCODE_KP_4
SCANCODE_KP_5 = sdl.SCANCODE_KP_5
SCANCODE_KP_6 = sdl.SCANCODE_KP_6
SCANCODE_KP_7 = sdl.SCANCODE_KP_7
SCANCODE_KP_8 = sdl.SCANCODE_KP_8
SCANCODE_KP_9 = sdl.SCANCODE_KP_9
SCANCODE_KP_0 = sdl.SCANCODE_KP_0
SCANCODE_KP_PERIOD = sdl.SCANCODE_KP_PERIOD
SCANCODE_NONUSBACKSLASH = sdl.SCANCODE_NONUSBACKSLASH
SCANCODE_APPLICATION = sdl.SCANCODE_APPLICATION
SCANCODE_POWER = sdl.SCANCODE_POWER
SCANCODE_KP_EQUALS = sdl.SCANCODE_KP_EQUALS
SCANCODE_F13 = sdl.SCANCODE_F13
SCANCODE_F14 = sdl.SCANCODE_F14
SCANCODE_F15 = sdl.SCANCODE_F15
SCANCODE_F16 = sdl.SCANCODE_F16
SCANCODE_F17 = sdl.SCANCODE_F17
SCANCODE_F18 = sdl.SCANCODE_F18
SCANCODE_F19 = sdl.SCANCODE_F19
SCANCODE_F20 = sdl.SCANCODE_F20
SCANCODE_F21 = sdl.SCANCODE_F21
SCANCODE_F22 = sdl.SCANCODE_F22
SCANCODE_F23 = sdl.SCANCODE_F23
SCANCODE_F24 = sdl.SCANCODE_F24
SCANCODE_EXECUTE = sdl.SCANCODE_EXECUTE
SCANCODE_HELP = sdl.SCANCODE_HELP
SCANCODE_MENU = sdl.SCANCODE_MENU
SCANCODE_SELECT = sdl.SCANCODE_SELECT
SCANCODE_STOP = sdl.SCANCODE_STOP
SCANCODE_AGAIN = sdl.SCANCODE_AGAIN
SCANCODE_UNDO = sdl.SCANCODE_UNDO
SCANCODE_CUT = sdl.SCANCODE_CUT
SCANCODE_COPY = sdl.SCANCODE_COPY
SCANCODE_PASTE = sdl.SCANCODE_PASTE
SCANCODE_FIND = sdl.SCANCODE_FIND
SCANCODE_MUTE = sdl.SCANCODE_MUTE
SCANCODE_VOLUMEUP = sdl.SCANCODE_VOLUMEUP
SCANCODE_VOLUMEDOWN = sdl.SCANCODE_VOLUMEDOWN
SCANCODE_KP_COMMA = sdl.SCANCODE_KP_COMMA
SCANCODE_KP_EQUALSAS400 = sdl.SCANCODE_KP_EQUALSAS400
SCANCODE_INTERNATIONAL1 = sdl.SCANCODE_INTERNATIONAL1
SCANCODE_INTERNATIONAL2 = sdl.SCANCODE_INTERNATIONAL2
SCANCODE_INTERNATIONAL3 = sdl.SCANCODE_INTERNATIONAL3
SCANCODE_INTERNATIONAL4 = sdl.SCANCODE_INTERNATIONAL4
SCANCODE_INTERNATIONAL5 = sdl.SCANCODE_INTERNATIONAL5
SCANCODE_INTERNATIONAL6 = sdl.SCANCODE_INTERNATIONAL6
SCANCODE_INTERNATIONAL7 = sdl.SCANCODE_INTERNATIONAL7
SCANCODE_INTERNATIONAL8 = sdl.SCANCODE_INTERNATIONAL8
SCANCODE_INTERNATIONAL9 = sdl.SCANCODE_INTERNATIONAL9
SCANCODE_LANG1 = sdl.SCANCODE_LANG1
SCANCODE_LANG2 = sdl.SCANCODE_LANG2
SCANCODE_LANG3 = sdl.SCANCODE_LANG3
SCANCODE_LANG4 = sdl.SCANCODE_LANG4
SCANCODE_LANG5 = sdl.SCANCODE_LANG5
SCANCODE_LANG6 = sdl.SCANCODE_LANG6
SCANCODE_LANG7 = sdl.SCANCODE_LANG7
SCANCODE_LANG8 = sdl.SCANCODE_LANG8
SCANCODE_LANG9 = sdl.SCANCODE_LANG9
SCANCODE_ALTERASE = sdl.SCANCODE_ALTERASE
SCANCODE_SYSREQ = sdl.SCANCODE_SYSREQ
SCANCODE_CANCEL = sdl.SCANCODE_CANCEL
SCANCODE_CLEAR = sdl.SCANCODE_CLEAR
SCANCODE_PRIOR = sdl.SCANCODE_PRIOR
SCANCODE_RETURN2 = sdl.SCANCODE_RETURN2
SCANCODE_SEPARATOR = sdl.SCANCODE_SEPARATOR
SCANCODE_OUT = sdl.SCANCODE_OUT
SCANCODE_OPER = sdl.SCANCODE_OPER
SCANCODE_CLEARAGAIN = sdl.SCANCODE_CLEARAGAIN
SCANCODE_CRSEL = sdl.SCANCODE_CRSEL
SCANCODE_EXSEL = sdl.SCANCODE_EXSEL
SCANCODE_KP_00 = sdl.SCANCODE_KP_00
SCANCODE_KP_000 = sdl.SCANCODE_KP_000
SCANCODE_THOUSANDSSEPARATOR = sdl.SCANCODE_THOUSANDSSEPARATOR
SCANCODE_DECIMALSEPARATOR = sdl.SCANCODE_DECIMALSEPARATOR
SCANCODE_CURRENCYUNIT = sdl.SCANCODE_CURRENCYUNIT
SCANCODE_CURRENCYSUBUNIT = sdl.SCANCODE_CURRENCYSUBUNIT
SCANCODE_KP_LEFTPAREN = sdl.SCANCODE_KP_LEFTPAREN
SCANCODE_KP_RIGHTPAREN = sdl.SCANCODE_KP_RIGHTPAREN
SCANCODE_KP_LEFTBRACE = sdl.SCANCODE_KP_LEFTBRACE
SCANCODE_KP_RIGHTBRACE = sdl.SCANCODE_KP_RIGHTBRACE
SCANCODE_KP_TAB = sdl.SCANCODE_KP_TAB
SCANCODE_KP_BACKSPACE = sdl.SCANCODE_KP_BACKSPACE
SCANCODE_KP_A = sdl.SCANCODE_KP_A
SCANCODE_KP_B = sdl.SCANCODE_KP_B
SCANCODE_KP_C = sdl.SCANCODE_KP_C
SCANCODE_KP_D = sdl.SCANCODE_KP_D
SCANCODE_KP_E = sdl.SCANCODE_KP_E
SCANCODE_KP_F = sdl.SCANCODE_KP_F
SCANCODE_KP_XOR = sdl.SCANCODE_KP_XOR
SCANCODE_KP_POWER = sdl.SCANCODE_KP_POWER
SCANCODE_KP_PERCENT = sdl.SCANCODE_KP_PERCENT
SCANCODE_KP_LESS = sdl.SCANCODE_KP_LESS
SCANCODE_KP_GREATER = sdl.SCANCODE_KP_GREATER
SCANCODE_KP_AMPERSAND = sdl.SCANCODE_KP_AMPERSAND
SCANCODE_KP_DBLAMPERSAND = sdl.SCANCODE_KP_DBLAMPERSAND
SCANCODE_KP_VERTICALBAR = sdl.SCANCODE_KP_VERTICALBAR
SCANCODE_KP_DBLVERTICALBAR = sdl.SCANCODE_KP_DBLVERTICALBAR
SCANCODE_KP_COLON = sdl.SCANCODE_KP_COLON
SCANCODE_KP_HASH = sdl.SCANCODE_KP_HASH
SCANCODE_KP_SPACE = sdl.SCANCODE_KP_SPACE
SCANCODE_KP_AT = sdl.SCANCODE_KP_AT
SCANCODE_KP_EXCLAM = sdl.SCANCODE_KP_EXCLAM
SCANCODE_KP_MEMSTORE = sdl.SCANCODE_KP_MEMSTORE
SCANCODE_KP_MEMRECALL = sdl.SCANCODE_KP_MEMRECALL
SCANCODE_KP_MEMCLEAR = sdl.SCANCODE_KP_MEMCLEAR
SCANCODE_KP_MEMADD = sdl.SCANCODE_KP_MEMADD
SCANCODE_KP_MEMSUBTRACT = sdl.SCANCODE_KP_MEMSUBTRACT
SCANCODE_KP_MEMMULTIPLY = sdl.SCANCODE_KP_MEMMULTIPLY
SCANCODE_KP_MEMDIVIDE = sdl.SCANCODE_KP_MEMDIVIDE
SCANCODE_KP_PLUSMINUS = sdl.SCANCODE_KP_PLUSMINUS
SCANCODE_KP_CLEAR = sdl.SCANCODE_KP_CLEAR
SCANCODE_KP_CLEARENTRY = sdl.SCANCODE_KP_CLEARENTRY
SCANCODE_KP_BINARY = sdl.SCANCODE_KP_BINARY
SCANCODE_KP_OCTAL = sdl.SCANCODE_KP_OCTAL
SCANCODE_KP_DECIMAL = sdl.SCANCODE_KP_DECIMAL
SCANCODE_KP_HEXADECIMAL = sdl.SCANCODE_KP_HEXADECIMAL
SCANCODE_LCTRL = sdl.SCANCODE_LCTRL
SCANCODE_LSHIFT = sdl.SCANCODE_LSHIFT
SCANCODE_LALT = sdl.SCANCODE_LALT
SCANCODE_LGUI = sdl.SCANCODE_LGUI
SCANCODE_RCTRL = sdl.SCANCODE_RCTRL
SCANCODE_RSHIFT = sdl.SCANCODE_RSHIFT
SCANCODE_RALT = sdl.SCANCODE_RALT
SCANCODE_RGUI = sdl.SCANCODE_RGUI
SCANCODE_MODE = sdl.SCANCODE_MODE
SCANCODE_AUDIONEXT = sdl.SCANCODE_AUDIONEXT
SCANCODE_AUDIOPREV = sdl.SCANCODE_AUDIOPREV
SCANCODE_AUDIOSTOP = sdl.SCANCODE_AUDIOSTOP
SCANCODE_AUDIOPLAY = sdl.SCANCODE_AUDIOPLAY
SCANCODE_AUDIOMUTE = sdl.SCANCODE_AUDIOMUTE
SCANCODE_MEDIASELECT = sdl.SCANCODE_MEDIASELECT
SCANCODE_WWW = sdl.SCANCODE_WWW
SCANCODE_MAIL = sdl.SCANCODE_MAIL
SCANCODE_CALCULATOR = sdl.SCANCODE_CALCULATOR
SCANCODE_COMPUTER = sdl.SCANCODE_COMPUTER
SCANCODE_AC_SEARCH = sdl.SCANCODE_AC_SEARCH
SCANCODE_AC_HOME = sdl.SCANCODE_AC_HOME
SCANCODE_AC_BACK = sdl.SCANCODE_AC_BACK
SCANCODE_AC_FORWARD = sdl.SCANCODE_AC_FORWARD
SCANCODE_AC_STOP = sdl.SCANCODE_AC_STOP
SCANCODE_AC_REFRESH = sdl.SCANCODE_AC_REFRESH
SCANCODE_AC_BOOKMARKS = sdl.SCANCODE_AC_BOOKMARKS
SCANCODE_BRIGHTNESSDOWN = sdl.SCANCODE_BRIGHTNESSDOWN
SCANCODE_BRIGHTNESSUP = sdl.SCANCODE_BRIGHTNESSUP
SCANCODE_DISPLAYSWITCH = sdl.SCANCODE_DISPLAYSWITCH
SCANCODE_KBDILLUMTOGGLE = sdl.SCANCODE_KBDILLUMTOGGLE
SCANCODE_KBDILLUMDOWN = sdl.SCANCODE_KBDILLUMDOWN
SCANCODE_KBDILLUMUP = sdl.SCANCODE_KBDILLUMUP
SCANCODE_EJECT = sdl.SCANCODE_EJECT
SCANCODE_SLEEP = sdl.SCANCODE_SLEEP
SCANCODE_APP1 = sdl.SCANCODE_APP1
SCANCODE_APP2 = sdl.SCANCODE_APP2
NUM_SCANCODES = sdl.NUM_SCANCODES
)

0
sdl/sdl_texture2d.go → sdl/texture2d.go
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