idac: add ffb emulation

idachook/ffb.c

@@ -0,0 +1,59 @@
+#include <windows.h>
+
+#include <xinput.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "board/ffb.h"
+
+#include "idachook/idac-dll.h"
+
+#include "util/dprintf.h"
+
+static void idac_ffb_toggle(bool active);
+static void idac_ffb_constant_force(uint8_t direction, uint8_t force);
+static void idac_ffb_rumble(uint8_t force, uint8_t period);
+static void idac_ffb_damper(uint8_t force);
+
+static const struct ffb_ops idac_ffb_ops = {
+    .toggle         = idac_ffb_toggle,
+    .constant_force = idac_ffb_constant_force,
+    .rumble         = idac_ffb_rumble,
+    .damper         = idac_ffb_damper
+};
+
+HRESULT idac_ffb_hook_init(const struct ffb_config *cfg, unsigned int port_no)
+{
+    HRESULT hr;
+
+    assert(idac_dll.init != NULL);
+
+    hr = ffb_hook_init(cfg, &idac_ffb_ops, port_no);
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
+    return idac_dll.ffb_init();
+}
+
+static void idac_ffb_toggle(bool active)
+{
+    idac_dll.ffb_toggle(active);
+}
+
+static void idac_ffb_constant_force(uint8_t direction, uint8_t force)
+{
+    idac_dll.ffb_constant_force(direction, force);
+}
+
+static void idac_ffb_rumble(uint8_t force, uint8_t period)
+{
+    idac_dll.ffb_rumble(force, period);
+}
+
+static void idac_ffb_damper(uint8_t force)
+{
+    idac_dll.ffb_damper(force);
+}