From ea1947ffcc606d757357398b24e74a3f4ecefa07 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Wed, 20 Oct 2021 14:54:27 +0000
Subject: Initial commit from steward-fu release

---
 modules/libgrbase/resolution.h | 86 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 modules/libgrbase/resolution.h

(limited to 'modules/libgrbase/resolution.h')

diff --git a/modules/libgrbase/resolution.h b/modules/libgrbase/resolution.h
new file mode 100644
index 0000000..4033058
--- /dev/null
+++ b/modules/libgrbase/resolution.h
@@ -0,0 +1,86 @@
+/*
+ *  Copyright © 2006-2013 SplinterGU (Fenix/Bennugd)
+ *  Copyright © 2002-2006 Fenix Team (Fenix)
+ *  Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ *  This file is part of Bennu - Game Development
+ *
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, subject to the following restrictions:
+ *
+ *     1. The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *
+ *     2. Altered source versions must be plainly marked as such, and must not be
+ *     misrepresented as being the original software.
+ *
+ *     3. This notice may not be removed or altered from any source
+ *     distribution.
+ *
+ */
+
+#ifndef __RESOLUTION_H
+#define __RESOLUTION_H
+
+/* -------------------------------------------------------------------- */
+/* Librería gráfica                                                     */
+/* -------------------------------------------------------------------- */
+
+#define RESOLXY(m,r,x,y) \
+    {                                           \
+        int res = LOCINT32(m, r, RESOLUTION ) ; \
+        if ( res > 0 )                          \
+        {                                       \
+            if ( x < 0 )                        \
+                ( x ) = ( ( x ) - ( res - 1 )) / res ; \
+            else                                \
+                ( x ) /= res ;                  \
+                                                \
+            if ( y < 0 )                        \
+                ( y ) = ( ( y ) - ( res - 1 )) / res ; \
+            else                                \
+                ( y ) /= res ;                  \
+        }                                       \
+        else if ( res < 0 )                     \
+        {                                       \
+            ( x ) *= -res ;                     \
+            ( y ) *= -res ;                     \
+        }                                       \
+    }
+
+#define RESOLXYZ(m,r,x,y,z) \
+    {                                           \
+        int res = LOCINT32(m, r, RESOLUTION ) ; \
+        if ( res > 0 )                          \
+        {                                       \
+            if ( x < 0 )                        \
+                ( x ) = ( ( x ) - ( res - 1 )) / res ; \
+            else                                \
+                ( x ) /= res ;                  \
+                                                \
+            if ( y < 0 )                        \
+                ( y ) = ( ( y ) - ( res - 1 )) / res ; \
+            else                                \
+                ( y ) /= res ;                  \
+                                                \
+            if ( z < 0 )                        \
+                ( z ) = ( ( z ) - ( res - 1 )) / res ; \
+            else                                \
+                ( z ) /= res ;                  \
+        }                                       \
+        else if ( res < 0 )                     \
+        {                                       \
+            ( x ) *= -res ;                     \
+            ( y ) *= -res ;                     \
+            ( z ) *= -res ;                     \
+        }                                       \
+    }
+
+#endif
-- 
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