From 415b06af7c6605223fe60b5552ce637d5747d654 Mon Sep 17 00:00:00 2001
From: 9c2a94eb294ac460ccbd019f5f01f45fffff7759
 <9c2a94eb294ac460ccbd019f5f01f45fffff7759@redacted>
Date: Sat, 6 Jun 2020 15:08:46 -0400
Subject: [PATCH] divaio: Add config

---
 divaio/config.c    | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 divaio/config.h    | 16 +++++++++++++++
 divaio/meson.build |  2 ++
 3 files changed, 69 insertions(+)
 create mode 100644 divaio/config.c
 create mode 100644 divaio/config.h

diff --git a/divaio/config.c b/divaio/config.c
new file mode 100644
index 0000000..886277e
--- /dev/null
+++ b/divaio/config.c
@@ -0,0 +1,51 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "divaio/config.h"
+
+static const int diva_io_default_buttons[] = {
+    VK_RIGHT, VK_DOWN, VK_LEFT, VK_UP, VK_SPACE
+};
+
+static const int diva_io_default_slider[] = {
+    'Q', 'W', 'E', 'R', 'U', 'I', 'O', 'P'
+};
+
+void diva_io_config_load(
+        struct diva_io_config *cfg,
+        const wchar_t *filename)
+{
+    wchar_t key[5];
+    wchar_t cell[8];
+    int i;
+    int c;
+
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->vk_test = GetPrivateProfileIntW(L"io3", L"test", '1', filename);
+    cfg->vk_service = GetPrivateProfileIntW(L"io3", L"service", '2', filename);
+    cfg->vk_coin = GetPrivateProfileIntW(L"io3", L"coin", '3', filename);
+
+    for (i = 0 ; i < _countof(cfg->vk_buttons) ; i++) {
+        swprintf_s(key, _countof(key), L"key%i", i + 1);
+        cfg->vk_buttons[i] = GetPrivateProfileIntW(
+                L"buttons",
+                key,
+                diva_io_default_buttons[i],
+                filename);
+    }
+
+    for (c = 0 ; c < _countof(cfg->vk_slider) ; c++) {
+        swprintf_s(cell, _countof(cell), L"cell%i", c + 1);
+        cfg->vk_slider[c] = GetPrivateProfileIntW(
+                L"slider",
+                cell,
+                diva_io_default_slider[c],
+                filename);
+    }
+}
diff --git a/divaio/config.h b/divaio/config.h
new file mode 100644
index 0000000..86654c8
--- /dev/null
+++ b/divaio/config.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+struct diva_io_config {
+    uint8_t vk_buttons[5];
+    uint8_t vk_slider[8];
+    uint8_t vk_test;
+    uint8_t vk_service;
+    uint8_t vk_coin;
+};
+
+void diva_io_config_load(
+        struct diva_io_config *cfg,
+        const wchar_t *filename);
diff --git a/divaio/meson.build b/divaio/meson.build
index e8d498f..30eda9b 100644
--- a/divaio/meson.build
+++ b/divaio/meson.build
@@ -8,5 +8,7 @@ divaio_dll = shared_library(
     sources : [
         'divaio.c',
         'divaio.h',
+        'config.c',
+        'config.h',
     ],
 )