[ADD] stick system

src/system/control_input.c

@@ -0,0 +1,24 @@
+#include "control_input.h"
+
+void ctrl_input_get_leftstick(SceCtrlData *pad, stick_data *stickdata)
+{
+    int16_t lxpos = -128 + pad->lx; // full left is 0 so -128 and full right is 255 so 128
+    int16_t lypos = -128 + pad->ly;
+
+    stickdata->x = lxpos;
+    stickdata->y = lypos;
+}
+
+void ctrl_input_get_rightstick(SceCtrlData *pad, stick_data *stickdata)
+{
+    int16_t rxpos = -128 + pad->rx; // full left is 0 so -128 and full right is 255 so 128
+    int16_t rypos = -128 + pad->ry;
+
+    stickdata->x = rxpos;
+    stickdata->y = rypos;
+}
+
+float ctrl_input_calc_value(int16_t pos, SceUInt64 deltaTime)
+{
+    return (float)((pos) * (deltaTime / 1000.0));
+}