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Code Issues Packages Projects Releases Wiki Activity

Separated Input into its own static class

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This commit is contained in:
Matt Thorson 2020-05-17 18:16:32 -07:00
parent 6bc89ac9d1
commit f9455366f0
4 changed files with 106 additions and 51 deletions
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44
src/Core/Game.bf
View File

@ -32,7 +32,6 @@ namespace Strawberry
private SDL.Window* window;
private SDL.Surface* screen;
private bool* keyboardState;
private SDL.SDL_GameController*[] gamepads;
private int32 updateCounter;
public this(String windowTitle, int32 width, int32 height, int32 windowScale, int gamepadLimit = 1)
@ -71,12 +70,8 @@ namespace Strawberry
screen = SDL.GetWindowSurface(window);
SDLImage.Init(.PNG | .JPG);
SDLMixer.OpenAudio(44100, SDLMixer.MIX_DEFAULT_FORMAT, 2, 4096);
SDLTTF.Init();
this.gamepads = new SDL.SDL_GameController*[gamepadLimit];
for (let i < this.gamepads.Count)
this.gamepads[i] = SDL.GameControllerOpen((int32)i);
Input.Init(gamepadLimit);
}
public ~this()
@ -96,7 +91,7 @@ namespace Strawberry
delete VirtualInputs;
}
delete gamepads;
Input.Dispose();
Game = null;
}
@ -126,16 +121,15 @@ namespace Strawberry
}
else
{
keyboardState = SDL.GetKeyboardState(null);
SDL.GameControllerUpdate();
addTicks = Math.Min(addTicks, 20); // Limit catchup
if (addTicks > 0)
{
for (int i < addTicks)
{
Input.BeforeUpdate();
updateCounter++;
Update();
Input.AfterUpdate();
}
Render();
}
@ -203,35 +197,5 @@ namespace Strawberry
switchToScene = value;
}
}
// Input
public bool KeyCheck(SDL.Scancode key)
{
if (keyboardState == null)
return false;
return keyboardState[(int)key];
}
public bool GamepadButtonCheck(int gamepadID, SDL.SDL_GameControllerButton button)
{
if (gamepads == null)
return false;
return SDL.GameControllerGetButton(gamepads[gamepadID], button) == 1;
}
public float GamepadAxisCheck(int gamepadID, SDL.SDL_GameControllerAxis axis)
{
if (gamepads == null)
return 0;
let val = SDL.GameControllerGetAxis(gamepads[gamepadID], axis);
if (val == 0)
return 0;
else if (val > 0)
return val / 32767f;
else
return val / 32768f;
}
}
}

91
src/Input/Input.bf Normal file
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@ -0,0 +1,91 @@
using SDL2;
using System;
using System.Diagnostics;
namespace Strawberry
{
static public class Input
{
static private bool* keyboard;
static private bool[] previousKeyboard;
static private SDL.SDL_GameController*[] gamepads;
static public void Init(int gamepadLimit)
{
keyboard = SDL.GetKeyboardState(null);
previousKeyboard = new bool[(int)SDL.Scancode.NUMSCANCODES];
gamepads = new SDL.SDL_GameController*[gamepadLimit];
for (let i < gamepads.Count)
gamepads[i] = SDL.GameControllerOpen((int32)i);
}
static public void Dispose()
{
delete previousKeyboard;
delete gamepads;
}
static public void BeforeUpdate()
{
SDL.PumpEvents();
SDL.GameControllerUpdate();
}
static public void AfterUpdate()
{
for (let i < previousKeyboard.Count)
previousKeyboard[i] = keyboard[i];
}
static public bool KeyCheck(SDL.Scancode key)
{
if (keyboard == null)
Debug.FatalError("Polling keyboard before Input.Init");
return keyboard[(int)key];
}
static public bool KeyPressed(SDL.Scancode key)
{
if (keyboard == null)
Debug.FatalError("Polling keyboard before Input.Init");
return keyboard[(int)key] && !previousKeyboard[(int)key];
}
static public bool KeyReleased(SDL.Scancode key)
{
if (keyboard == null)
Debug.FatalError("Polling keyboard before Input.Init");
return !keyboard[(int)key] && previousKeyboard[(int)key];
}
static public bool GamepadButtonCheck(int gamepadID, SDL.SDL_GameControllerButton button)
{
if (gamepads == null)
Debug.FatalError("Polling gamepad before Input.Init");
if (gamepadID >= gamepads.Count)
Debug.FatalError("Gamepad index out of range (increase Game.gamepadLimit!");
return SDL.GameControllerGetButton(gamepads[gamepadID], button) == 1;
}
static public float GamepadAxisCheck(int gamepadID, SDL.SDL_GameControllerAxis axis)
{
if (gamepads == null)
Debug.FatalError("Polling gamepad before Input.Init");
if (gamepadID >= gamepads.Count)
Debug.FatalError("Gamepad index out of range (increase Game.gamepadLimit!");
let val = SDL.GameControllerGetAxis(gamepads[gamepadID], axis);
if (val == 0)
return 0;
else if (val > 0)
return val / 32767f;
else
return val / 32768f;
}
}
}

14
src/Input/VirtualAxis.bf
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@ -152,9 +152,9 @@ namespace Strawberry
public override void Update()
{
if (Game.KeyCheck(PositiveKeycode))
if (Input.KeyCheck(PositiveKeycode))
{
if (Game.KeyCheck(NegativeKeycode))
if (Input.KeyCheck(NegativeKeycode))
{
switch (OverlapBehavior)
{
@ -181,7 +181,7 @@ namespace Strawberry
value = 1;
}
}
else if (Game.KeyCheck(NegativeKeycode))
else if (Input.KeyCheck(NegativeKeycode))
{
turned = false;
value = -1;
@ -222,9 +222,9 @@ namespace Strawberry
public override void Update()
{
if (Game.GamepadButtonCheck(GamepadID, PositiveButton))
if (Input.GamepadButtonCheck(GamepadID, PositiveButton))
{
if (Game.GamepadButtonCheck(GamepadID, NegativeButton))
if (Input.GamepadButtonCheck(GamepadID, NegativeButton))
{
switch (OverlapBehavior)
{
@ -251,7 +251,7 @@ namespace Strawberry
value = 1;
}
}
else if (Game.GamepadButtonCheck(GamepadID, NegativeButton))
else if (Input.GamepadButtonCheck(GamepadID, NegativeButton))
{
turned = false;
value = -1;
@ -289,7 +289,7 @@ namespace Strawberry
{
get
{
let val = Game.GamepadAxisCheck(GamepadID, Axis);
let val = Input.GamepadAxisCheck(GamepadID, Axis);
if (Math.Abs(val) < Deadzone)
return 0;
else

8
src/Input/VirtualButton.bf
View File

@ -142,7 +142,7 @@ namespace Strawberry
{
get
{
return Game.KeyCheck(Keycode);
return Input.KeyCheck(Keycode);
}
}
}
@ -162,7 +162,7 @@ namespace Strawberry
{
get
{
return Game.GamepadButtonCheck(GamepadID, Button);
return Input.GamepadButtonCheck(GamepadID, Button);
}
}
}
@ -187,9 +187,9 @@ namespace Strawberry
get
{
if (Condition == .GreaterThan)
return Game.GamepadAxisCheck(GamepadID, Axis) >= Threshold;
return Input.GamepadAxisCheck(GamepadID, Axis) >= Threshold;
else
return Game.GamepadAxisCheck(GamepadID, Axis) <= Threshold;
return Input.GamepadAxisCheck(GamepadID, Axis) <= Threshold;
}
}
}