chuniio: Break out Chunithm IO DLL

chuniio/chuniio.c

@@ -0,0 +1,130 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/chuniio.h"
+
+static unsigned int __stdcall chuni_io_slider_thread_proc(void *ctx);
+
+static const int chuni_io_slider_keys[] = {
+    'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L',
+};
+
+static bool chuni_io_coin;
+static uint16_t chuni_io_coins;
+static uint8_t chuni_io_hand_pos;
+static HANDLE chuni_io_slider_thread;
+static bool chuni_io_slider_stop_flag;
+
+HRESULT chuni_io_init(void)
+{
+    return S_OK;
+}
+
+uint16_t chuni_io_jvs_read_coin_counter(void)
+{
+    if (GetAsyncKeyState('3')) {
+        if (!chuni_io_coin) {
+            chuni_io_coin = true;
+            chuni_io_coins++;
+        }
+    } else {
+        chuni_io_coin = false;
+    }
+
+    return chuni_io_coins;
+}
+
+void chuni_io_jvs_poll(uint8_t *opbtn, uint8_t *beams)
+{
+    size_t i;
+
+    if (GetAsyncKeyState('1')) {
+        *opbtn |= 0x01; /* Test */
+    }
+
+    if (GetAsyncKeyState('2')) {
+        *opbtn |= 0x02; /* Service */
+    }
+
+    if (GetAsyncKeyState(VK_SPACE)) {
+        if (chuni_io_hand_pos < 6) {
+            chuni_io_hand_pos++;
+        }
+    } else {
+        if (chuni_io_hand_pos > 0) {
+            chuni_io_hand_pos--;
+        }
+    }
+
+    for (i = 0 ; i < 6 ; i++) {
+        if (chuni_io_hand_pos > i) {
+            *beams |= (1 << i);
+        }
+    }
+}
+
+void chuni_io_jvs_set_coin_blocker(bool open)
+{}
+
+void chuni_io_slider_start(chuni_io_slider_callback_t callback)
+{
+    if (chuni_io_slider_thread != NULL) {
+        return;
+    }
+
+    chuni_io_slider_thread = (HANDLE) _beginthreadex(
+            NULL,
+            0,
+            chuni_io_slider_thread_proc,
+            callback,
+            0,
+            NULL);
+}
+
+void chuni_io_slider_stop(void)
+{
+    if (chuni_io_slider_thread == NULL) {
+        return;
+    }
+
+    chuni_io_slider_stop_flag = true;
+
+    WaitForSingleObject(chuni_io_slider_thread, INFINITE);
+    CloseHandle(chuni_io_slider_thread);
+    chuni_io_slider_thread = NULL;
+    chuni_io_slider_stop_flag = false;
+}
+
+void chuni_io_slider_set_leds(const uint8_t *rgb)
+{
+}
+
+static unsigned int __stdcall chuni_io_slider_thread_proc(void *ctx)
+{
+    chuni_io_slider_callback_t callback;
+    uint8_t pressure_val;
+    uint8_t pressure[32];
+    size_t i;
+
+    callback = ctx;
+
+    while (!chuni_io_slider_stop_flag) {
+        for (i = 0 ; i < 8 ; i++) {
+            if (GetAsyncKeyState(chuni_io_slider_keys[i]) & 0x8000) {
+                pressure_val = 20;
+            } else {
+                pressure_val = 0;
+            }
+
+            memset(&pressure[28 - 4 * i], pressure_val, 4);
+        }
+
+        callback(pressure);
+        Sleep(1);
+    }
+
+    return 0;
+}