Initial import of the open source release

1 files changed, 39 insertions, 0 deletions

diff --git a/src/et_common.c b/src/et_common.c
new file mode 100644
index 0000000..d361807
--- /dev/null
+++ b/src/et_common.c
@@ -0,0 +1,39 @@
+/*
+   Kitsune's Curse
+   Copyright (C) 2020-2023 Juan J. Martinez <jjm@usebox.net>
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#include "splib.h"
+#include "main.h"
+
+#include "entities.h"
+#include "et_player.h"
+
+void update_fixed_common()
+{
+    // limit and change direction
+    if ((*it_param & 127) == *it_extra)
+    {
+        *it_param &= 128;
+        *it_param ^= 128;
+    }
+
+    ++(*it_param);
+
+    if (*it_param & 128)
+        *it_x += 1;
+    else
+        *it_x -= 1;
+}