86 lines
2.4 KiB
C#
86 lines
2.4 KiB
C#
using Mine2d.backend.data;
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using Mine2d.engine.system;
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using Mine2d.engine.system.annotations;
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namespace Mine2d.frontend.events;
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public class PlayerInput
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{
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[EventListener(EventType.KeyDown)]
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public static void move(SDL_Event e)
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{
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var ctx = Context.Get();
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if (!isMovementKey(e.key.keysym.scancode) || e.key.repeat == 1)
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{
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return;
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}
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var movementInput = ctx.FrontendGameState.MovementInput;
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_A)
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{
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movementInput.X -= 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_D)
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{
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movementInput.X += 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_W)
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{
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movementInput.Y -= 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_S)
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{
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movementInput.Y += 1;
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}
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ctx.FrontendGameState.MovementInput = movementInput;
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sendMovement();
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}
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[EventListener(EventType.KeyUp)]
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public static void stopMove(SDL_Event e)
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{
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var ctx = Context.Get();
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if (!isMovementKey(e.key.keysym.scancode) || e.key.repeat == 1)
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{
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return;
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}
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var movementInput = ctx.FrontendGameState.MovementInput;
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_A)
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{
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movementInput.X += 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_D)
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{
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movementInput.X -= 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_W)
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{
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movementInput.Y += 1;
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}
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if (e.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_S)
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{
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movementInput.Y -= 1;
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}
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ctx.FrontendGameState.MovementInput = movementInput;
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sendMovement();
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}
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private static bool isMovementKey(SDL_Scancode scancode)
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{
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return scancode is SDL_Scancode.SDL_SCANCODE_A
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or SDL_Scancode.SDL_SCANCODE_D
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or SDL_Scancode.SDL_SCANCODE_W
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or SDL_Scancode.SDL_SCANCODE_S;
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}
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private static void sendMovement()
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{
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var ctx = Context.Get();
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var movement = ctx.FrontendGameState.MovementInput;
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if (movement.Length() > 0)
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{
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movement = Vector2.Normalize(movement);
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}
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ctx.Backend.ProcessPacket(new MovePacket(ctx.FrontendGameState.PlayerName, movement));
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}
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}
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