add half-working CXB support

cxbhook/revio.c

@@ -0,0 +1,226 @@
+#include <windows.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <winuser.h>
+
+#include "cxbhook/revio.h"
+#include "cxbhook/cxb-dll.h"
+
+#include "hooklib/procaddr.h"
+
+#include "hook/table.h"
+
+#include "util/dprintf.h"
+
+static int my_cCommIo_Open(char *port);
+static int my_cCommIo_Close();
+static long my_cCommIo_GetCoin();
+static int my_cCommIo_SetCoin(int coin_ct);
+static int my_cCommIo_GetStatus();
+static int my_cCommIo_GetSwitch();
+static int my_cCommIo_GetTrigger();
+static int my_cCommIo_GetRelease();
+static long my_cCommIo_GetVolume();
+static int my_cCommIo_SetAmpVolume(int amp_id, long new_volume);
+static int my_cCommIo_GetAmpVolume(int amp_id);
+static int my_cCommIo_SetAmpMute(int amp_id, int a2);
+
+int amp_volume[] = {20, 20, 20};
+int last_triggers = 0;
+int last_is_mouse_down = false;
+
+static struct hook_symbol revio_syms[] = {
+    {
+        .name = "cCommIo_Open",
+        .patch = my_cCommIo_Open
+    },
+    {
+        .name = "cCommIo_Close",
+        .patch = my_cCommIo_Close
+    },    
+    {
+        .name = "cCommIo_GetStatus",
+        .patch = my_cCommIo_GetStatus
+    },    
+    {
+        .name = "cCommIo_GetCoin",
+        .patch = my_cCommIo_GetCoin
+    },
+    {
+        .name = "cCommIo_SetCoin",
+        .patch = my_cCommIo_SetCoin
+    },
+    {
+        .name = "cCommIo_GetSwitch",
+        .patch = my_cCommIo_GetSwitch
+    },
+    {
+        .name = "cCommIo_GetTrigger",
+        .patch = my_cCommIo_GetTrigger
+    },
+    {
+        .name = "cCommIo_GetRelease",
+        .patch = my_cCommIo_GetRelease
+    },
+    {
+        .name = "cCommIo_GetVolume",
+        .patch = my_cCommIo_GetVolume
+    },
+    {
+        .name = "cCommIo_SetAmpVolume",
+        .patch = my_cCommIo_SetAmpVolume
+    },
+    {
+        .name = "cCommIo_GetAmpVolume",
+        .patch = my_cCommIo_GetAmpVolume
+    },
+    {
+        .name = "cCommIo_SetAmpMute",
+        .patch = my_cCommIo_SetAmpMute
+    },
+};
+
+HRESULT revio_hook_init(struct revio_config *cfg)
+{
+    dprintf("Revio: Init\n");
+    return proc_addr_table_push("CommIo.dll", revio_syms, _countof(revio_syms));
+}
+
+static int my_cCommIo_Open(char *port)
+{
+    dprintf("Revio: Open port %s\n", port);
+    cxb_dll.revio_init();
+    return 1;
+}
+
+static int my_cCommIo_Close()
+{
+    dprintf("Revio: Close\n");
+    return 0;
+}
+
+static int my_cCommIo_GetStatus()
+{
+    return 1;
+}
+
+static long my_cCommIo_GetCoin()
+{
+    long coins;
+    cxb_dll.revio_get_coins(&coins);
+
+    return coins;
+}
+
+static int my_cCommIo_SetCoin(int coin_ct)
+{
+    // does some weird shit, not sure
+    //dprintf("Revio: Set coin %d\n", coin_ct);
+    cxb_dll.revio_set_coins(coin_ct);
+    return 1;
+}
+
+static int my_cCommIo_GetSwitch()
+{
+    return 0;
+}
+
+static int my_cCommIo_GetTrigger()
+{
+    uint16_t btns = 0;
+    int out = 0;
+
+    cxb_dll.revio_poll(&btns);
+
+    if (btns & 0x01) {
+        out |= 1 << 4; // test
+    }
+
+    if (btns & 0x02) {
+        out |= 1 << 5; // service?
+    }
+
+    if (btns & 0x04) {
+        out |= 1 << 1; // up
+    }
+
+    if (btns & 0x08) {
+        out |= 1 << 3; // down
+    }
+
+    if (btns & 0x0F) {
+        out |= 1 << 2; // cancel
+    }
+    
+    out &= ~last_triggers;
+
+    dprintf("Revio: GetTrigger %X\n", out);
+    last_triggers = out;
+    return out;
+}
+
+static int my_cCommIo_GetRelease()
+{
+    uint16_t btns = 0;
+    int out = last_triggers;
+
+    cxb_dll.revio_poll(&btns);
+
+    if (btns & 0x01) {
+        out |= 1 << 4; // test
+    }
+
+    if (btns & 0x02) {
+        out |= 1 << 5; // service?
+    }
+
+    if (btns & 0x04) {
+        out |= 1 << 1; // up
+    }
+
+    if (btns & 0x08) {
+        out |= 1 << 3; // down
+    }
+
+    if (btns & 0x0F) {
+        out |= 1 << 2; // cancel
+    }
+
+    out &= ~btns;
+    
+    dprintf("Revio: GetRelease %X\n", out);
+    last_triggers = btns;
+    return out;
+}
+
+static long my_cCommIo_GetVolume()
+{
+    return 0;
+}
+
+static int my_cCommIo_SetAmpVolume(int amp_id, long new_volume)
+{
+    dprintf("Revio: SetAmpVolume id %d -> vol %ld\n", amp_id, new_volume);
+    if (amp_id > _countof(amp_volume)) {
+        return 0;
+    }
+
+    amp_volume[amp_id] = new_volume;
+    return 0;
+}
+
+static int my_cCommIo_GetAmpVolume(int amp_id)
+{
+    dprintf("Revio: GetAmpVolume id %d\n", amp_id);
+     if (amp_id > _countof(amp_volume)) {
+        return 0;
+    }
+
+    return amp_volume[amp_id];
+}
+
+static int my_cCommIo_SetAmpMute(int amp_id, int a2)
+{
+    dprintf("Revio: GetAmpVolume id %d unknown %d\n", amp_id, a2);
+    return 0;
+}