SuperTuxKart 1.5 upstream source (from official release tarball)

2026-06-11 20:04:02 +02:00
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+/*
+ * Copyright (C) 2014-2019 Muhammad Tayyab Akram
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _SB_INTERNAL_RUN_EXTREMA_H
+#define _SB_INTERNAL_RUN_EXTREMA_H
+
+#include "SBBase.h"
+
+enum {
+    RunExtremaLeadingL  = SBBidiTypeL << 0,
+    RunExtremaLeadingR  = SBBidiTypeR << 0,
+    
+    RunExtremaTrailingL = SBBidiTypeL << 4,
+    RunExtremaTrailingR = SBBidiTypeR << 4
+};
+typedef SBUInt8 RunExtrema;
+
+#define RunExtremaMake(sor, eor)            \
+(RunExtrema)                                \
+(                                           \
+   ((sor) << 0)                             \
+ | ((eor) << 4)                             \
+)
+
+#define RunExtrema_SOR(e)                   \
+(RunExtrema)                                \
+(                                           \
+ (e) & 0xF                                  \
+)
+
+#define RunExtrema_EOR(e)                   \
+(RunExtrema)                                \
+(                                           \
+ (e) >> 4                                   \
+)
+
+#endif