stupid cross platform randomness issue, plus other fixes

src/engine/random.c

@@ -0,0 +1,39 @@
+#include "random.h"
+
+void
+random_seed_set(u64 seed)
+{
+	jsw_seed(seed);
+}
+
+void
+random_seed_time_set(void)
+{	
+	jsw_time_seed();
+}
+
+f32
+random_f32(void)
+{
+	return (f32)jsw_rand() / (f32)UINT_MAX;
+}
+
+f32
+random_f32_in_range(f32 min, f32 max)
+{
+	return (f32)((random_f32() * (max - min + 1)) + min);
+}
+
+
+s32
+random_s32_in_range(s32 min, s32 max)
+{
+	return (s32)((random_f32() * (max - min + 1)) + min);
+}
+
+bool
+random_bool(void)
+{
+	return random_s32_in_range(0, 2);
+}
+

src/engine/random.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "../COMMON.h"
+
+#include <jsw_rand.h>
+
+void random_seed_set(u64 seed);
+void random_seed_time_set(void);
+f32 random_f32(void);
+f32 random_f32_in_range(f32 min, f32 max);
+s32 random_s32_in_range(s32 min, s32 max);
+bool random_bool(void);