Provide timeGetTime compatibility layer

See #17, #24

src/movie_lib.cc

@@ -4,6 +4,8 @@
 
 #include "movie_lib.h"
 
+#include "platform_compat.h"
+
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
@@ -717,9 +719,9 @@ int _syncWait()
 
     result = 0;
     if (_sync_active) {
-        if (((_sync_time + 1000 * timeGetTime()) & 0x80000000) != 0) {
+        if (((_sync_time + 1000 * compat_timeGetTime()) & 0x80000000) != 0) {
             result = 1;
-            while (((_sync_time + 1000 * timeGetTime()) & 0x80000000) != 0)
+            while (((_sync_time + 1000 * compat_timeGetTime()) & 0x80000000) != 0)
                 ;
         }
         _sync_time += _sync_wait_quanta;
@@ -1043,7 +1045,7 @@ int _syncInit(int a1, int a2)
 void _syncReset(int a1)
 {
     _sync_active = 1;
-    _sync_time = -1000 * timeGetTime() + a1;
+    _sync_time = -1000 * compat_timeGetTime() + a1;
 }
 
 // 0x4F5570
@@ -1100,7 +1102,7 @@ int _MVE_sndConfigure(int a1, int a2, int a3, int a4, int a5, int a6)
 void _MVE_syncSync()
 {
     if (_sync_active) {
-        while (((_sync_time + 1000 * timeGetTime()) & 0x80000000) != 0) {
+        while (((_sync_time + 1000 * compat_timeGetTime()) & 0x80000000) != 0) {
         }
     }
 }
@@ -1269,7 +1271,7 @@ int _syncWaitLevel(int a1)
 
     v2 = _sync_time + a1;
     do {
-        result = v2 + 1000 * timeGetTime();
+        result = v2 + 1000 * compat_timeGetTime();
     } while (result < 0);
 
     _sync_time += _sync_wait_quanta;

src/platform_compat.cc

@@ -5,6 +5,12 @@
 
 #include <filesystem>
 
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+#include <windows.h>
+#endif
+
 #ifdef _WIN32
 #include <io.h>
 #include <stdio.h>
@@ -12,6 +18,12 @@
 #include <unistd.h>
 #endif
 
+#ifdef _WIN32
+#include <timeapi.h>
+#else
+#include <sys/time.h>
+#endif
+
 int compat_stricmp(const char* string1, const char* string2)
 {
     return SDL_strcasecmp(string1, string2);
@@ -107,3 +119,14 @@ int compat_mkdir(const char* path)
 
     return ec.value();
 }
+
+unsigned int compat_timeGetTime()
+{
+#ifdef _WIN32
+    return timeGetTime();
+#else
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return tv.tv_usec / 1000;
+#endif
+}

src/platform_compat.h

@@ -26,5 +26,6 @@ void compat_splitpath(const char* path, char* drive, char* dir, char* fname, cha
 void compat_makepath(char* path, const char* drive, const char* dir, const char* fname, const char* ext);
 long compat_filelength(int fd);
 int compat_mkdir(const char* path);
+unsigned int compat_timeGetTime();
 
 #endif /* PLATFORM_COMPAT_H */

src/random.cc

@@ -1,21 +1,12 @@
 #include "random.h"
 
 #include "debug.h"
+#include "platform_compat.h"
 #include "scripts.h"
 
 #include <limits.h>
 #include <stdlib.h>
 
-#if defined(_WIN32)
-// clang-format off
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <timeapi.h>
-// clang-format on
-#else
-#include <sys/time.h>
-#endif
-
 // 0x50D4BA
 const double dbl_50D4BA = 36.42;
 
@@ -212,13 +203,7 @@ void randomSeedPrerandomInternal(int seed)
 // 0x4A3258
 unsigned int randomGetSeed()
 {
-#if defined(_WIN32)
-    return timeGetTime();
-#else
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    return tv.tv_usec / 1000;
-#endif
+    return compat_timeGetTime();
 }
 
 // 0x4A3264