Include irrlichttypes.h first to work around Irrlicht#433 (#10872)

[minetest.git] / src / irrlichttypes.h

diff --git a/src/irrlichttypes.h b/src/irrlichttypes.h
index 7da1a4bd2601073645d477db3e3f58aeccd85ca4..794776b2650ffd164246f98314f4d868868d094c 100644 (file)
--- a/src/irrlichttypes.h
+++ b/src/irrlichttypes.h
@@ -17,13 +17,25 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef IRRLICHTTYPES_HEADER
-#define IRRLICHTTYPES_HEADER
+#pragma once
+
+/* Ensure that <stdint.h> is included before <irrTypes.h>, unless building on
+ * MSVC, to address an irrlicht issue: https://sourceforge.net/p/irrlicht/bugs/433/
+ *
+ * TODO: Decide whether or not we support non-compliant C++ compilers like old
+ *       versions of MSCV.  If we do not then <stdint.h> can always be included
+ *       regardless of the compiler.
+ */
+#ifndef _MSC_VER
+#      include <cstdint>
+#endif
 
 #include <irrTypes.h>
 
 using namespace irr;
 
+namespace irr {
+
 // Irrlicht 1.8+ defines 64bit unsigned symbol in irrTypes.h
 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 #ifdef _MSC_VER
@@ -32,11 +44,37 @@ using namespace irr;
        typedef unsigned long long u64;
 #else
        // Posix
-       #include <stdint.h>
        typedef int64_t s64;
        typedef uint64_t u64;
 #endif
 #endif
 
+#if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 9)
+namespace core {
+       template <typename T>
+       inline T roundingError();
+
+       template <>
+       inline s16 roundingError()
+       {
+               return 0;
+       }
+}
 #endif
 
+}
+
+#define S8_MIN  (-0x7F - 1)
+#define S16_MIN (-0x7FFF - 1)
+#define S32_MIN (-0x7FFFFFFF - 1)
+#define S64_MIN (-0x7FFFFFFFFFFFFFFF - 1)
+
+#define S8_MAX  0x7F
+#define S16_MAX 0x7FFF
+#define S32_MAX 0x7FFFFFFF
+#define S64_MAX 0x7FFFFFFFFFFFFFFF
+
+#define U8_MAX  0xFF
+#define U16_MAX 0xFFFF
+#define U32_MAX 0xFFFFFFFF
+#define U64_MAX 0xFFFFFFFFFFFFFFFF