feat: randomize 支持传入随机数种子，并返回所使用的随机数种子 (#200)

wysaid · Jun 8, 2024 · 818de81 · 818de81
1 parent 4c7c52c
commit 818de81
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 4 deletions.
diff --git a/include/ege.h b/include/ege.h
@@ -1354,8 +1354,10 @@ PVOID       EGEAPI getProcfunc();
 long        EGEAPI getGraphicsVer();
 float       EGEAPI getfps();
 
-void            EGEAPI randomize();
-unsigned int    EGEAPI random(unsigned int n);
+unsigned int    EGEAPI randomize();
+unsigned int    EGEAPI randomize(unsigned int seed);
+
+unsigned int    EGEAPI random(unsigned int n = 0);
 double          EGEAPI randomf();
 
 

diff --git a/src/random.cpp b/src/random.cpp
@@ -185,10 +185,18 @@ extern double mtdrand()
     return mtrand_help()(1.0);
 }
 
-void randomize()
+uint32_t randomize()
 {
     static uint32_t add = 0;
-    mtsrand((uint32_t)time(NULL) + add++);
+    uint32_t seed = (uint32_t)time(NULL) + add++;
+    mtsrand(seed);
+    return seed;
+}
+
+uint32_t randomize(uint32_t seed)
+{
+    mtsrand(seed);
+    return seed;
 }
 
 unsigned int random(unsigned int n)