Controller and Rumble stuff.

1 files changed, 50 insertions, 0 deletions

diff --git a/src/rumble.c b/src/rumble.c
new file mode 100644
index 0000000..2313d68
--- /dev/null
+++ b/src/rumble.c
@@ -0,0 +1,50 @@
+/*
+I made this a separate source file because Raylib has some quirks
+regarding Windows compilation. And I also suppose because it has
+some state of its own.
+*/
+
+#include "controller.h"
+
+// Windows stuff starts //
+typedef struct _XINPUT_VIBRATION {
+    unsigned wLeftMotorSpeed;
+    unsigned wRightMotorSpeed;
+} XINPUT_VIBRATION;
+unsigned int XInputSetState(unsigned int dwUserIndex, XINPUT_VIBRATION *pVibration);
+// Windows stuff ends //
+
+static fx32 timer = 0;
+
+void set_rumble(f32 duration, f32 strength)
+{
+	XINPUT_VIBRATION state = {};
+    state.wLeftMotorSpeed  = (unsigned)(strength * 65535.0f);
+    state.wRightMotorSpeed = (unsigned)(strength * 65535.0f);
+
+    if (XInputSetState(0, &state) == 0){
+        timer = FIXED_POINT_ONE * duration;
+    }
+}
+
+void poll_rumble(f32 dt)
+{
+	if(timer <= 0)
+		return;
+		
+	fx32 delta = FIXED_POINT_ONE * dt;
+	
+	timer -= delta;
+	if(timer <= 0){
+		stop_rumble();
+	}
+}
+
+void stop_rumble(void)
+{
+	timer = 0;
+	
+	XINPUT_VIBRATION state = {};
+    state.wLeftMotorSpeed  = 0;
+    state.wRightMotorSpeed = 0;
+}
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