Add PSP support

include/bounce/common/time.h

@@ -21,21 +21,7 @@
 
 #include <bounce/common/settings.h>
 
-#define B3_WINDOWS 1
-#define B3_MAC 2
-#define B3_UNIX 3
-
-#if defined (_WIN32)
-#define B3_PLATFORM B3_WINDOWS
-#elif defined( __APPLE__ )
-#define B3_PLATFORM B3_MAC
-#elif defined(_arch_dreamcast)
-#define B3_PLATFORM B3_DREAMCAST
-#else
-#define B3_PLATFORM B3_UNIX
-#endif
-
-#if B3_PLATFORM == B3_WINDOWS
+#if defined(__WIN32__)
 
 #include <windows.h>
 
@@ -101,7 +87,7 @@ private:
     float64 m_t;
 };
 
-#elif B3_PLATFORM == B3_MAC
+#elif defined(__APPLE__)
 
 #include <mach/mach_time.h>
 
@@ -159,7 +145,7 @@ private:
     double m_t;
 };
 
-#elif B3_PLATFORM == B3_DREAMCAST
+#elif defined(_arch_dreamcast)
 
 #include <kos.h>
 
@@ -207,6 +193,54 @@ private:
     double m_t;
 };
 
+#elif defined(__PSP__)
+
+#include <pspthreadman.h>
+
+class b3Time
+{
+public:
+    b3Time()
+    {
+        m_c0 = sceKernelGetSystemTimeLow();
+        m_t0 = 0.0;
+        m_t = 0.0;
+    }
+
+    // Get the accumulated time in miliseconds from this timer.
+    double GetCurrentMilis() const
+    {
+        return m_t;
+    }
+
+    // Get the elapsed time since this timer was updated.
+    double GetElapsedMilis() const
+    {
+        return m_t - m_t0;
+    }
+
+    // Add the elapsed time since this function was called to this timer.
+    void Update()
+    {
+        uint64_t c = sceKernelGetSystemTimeLow();
+        double dt = double(c - m_c0) * 0.000001;
+        m_c0 = c;
+        Add(dt);
+    }
+
+    // Add time to this timer.
+    void Add(double dt)
+    {
+        m_t0 = m_t;
+        m_t += dt;
+    }
+
+private:
+    uint64_t m_c0;
+    double m_t0;
+    double m_t;
+};
+
 #else
 
 #include <time.h>