1 files changed, 152 insertions, 0 deletions
diff --git a/Runtime/BaseClasses/Cursor.cpp b/Runtime/BaseClasses/Cursor.cpp
new file mode 100644
index 0000000..3fb45ca
--- /dev/null
+++ b/Runtime/BaseClasses/Cursor.cpp
@@ -0,0 +1,152 @@
+#include "Cursor.h"
+
+#include "Runtime/GfxDevice/GfxDevice.h"
+#include "Runtime/Graphics/RenderTexture.h"
+#include "Runtime/Graphics/RenderBufferManager.h"
+#include "Runtime/Camera/ImageFilters.h"
+#include "Runtime/Graphics/ScreenManager.h"
+#include "Runtime/Graphics/Image.h"
+#include "Runtime/Camera/RenderManager.h"
+#include "Runtime/Camera/CameraUtil.h"
+#include "Runtime/Camera/RenderLayers/GUITexture.h"
+#include "Runtime/Input/InputManager.h"
+#include "Runtime/Misc/PlayerSettings.h"
+
+namespace Cursors
+{
+void RenderSoftwareCursor ()
+{
+	Texture2D* softCursor = GetSoftwareCursor();
+	if (softCursor && GetScreenManager().GetShowCursor())
+	{
+		DeviceMVPMatricesState preserveMVP;
+		SetupPixelCorrectCoordinates();
+
+		Vector2f pos = GetInputManager().GetMousePosition();
+		Vector2f hotSpotOffset = GetCursorHotspot();
+
+		pos.x -= hotSpotOffset.x;
+		pos.y += hotSpotOffset.y;
+
+		// the color is set to 0.5f because the gui-texture shader multiplies the vertex color by 2 for some reason
+		// pos is floored to match the behaviour of the hardware cursors
+		DrawGUITexture (Rectf ((int)pos.x, (int)pos.y, softCursor->GetGLWidth(), -softCursor->GetGLHeight()), softCursor, ColorRGBAf(0.5f, 0.5f, 0.5f, 0.5f));
+	}
+}
+
+#if !PLATFORM_SUPPORTS_HARDWARE_CURSORS
+
+
+typedef UnityCursor<int> SoftCursor;
+typedef CursorManager<SoftCursor> SoftCursorManager;
+
+template<> SoftCursorManager* SoftCursorManager::s_CursorManager = NULL;
+
+static SoftCursor GenerateCursor (Texture2D* texture, Vector2f hotSpot)
+{
+	// if this is null you are doing it wrong
+	assert(texture);
+
+	SoftCursor c;
+	c.sCursor = texture;
+	c.hotspot = hotSpot;
+	return c;
+}
+
+void SetCursor (Texture2D* texture, Vector2f hotSpot, CursorMode forceHardware)
+{
+	SoftCursorManager& manager = SoftCursorManager::Instance();
+	if (!texture)
+	{
+		manager.m_CurrentCursor = manager.m_DefaultCursor;
+		return;
+	}
+
+	// try and find the cursor in the cache
+	SoftCursorManager::CursorCache::iterator found = manager.m_CursorCache.find (texture->GetTextureID());
+	SoftCursor cursorToSet;
+	bool shouldGenerateCursor = true;
+	if (manager.m_CursorCache.end() != found)
+	{
+		// see if old hotspot
+		// is the same as the one requested now...
+		// if it's not then delete the old cursor and recreate it!
+		cursorToSet = found->second;
+
+		if (!CompareApproximately (hotSpot.x, cursorToSet.hotspot.x)
+			|| !CompareApproximately (hotSpot.y, cursorToSet.hotspot.y))
+		{
+			manager.m_CursorCache.erase(found);
+		}
+		else
+		{
+			shouldGenerateCursor = false;
+		}
+	}
+
+	if (shouldGenerateCursor)
+	{
+		cursorToSet = GenerateCursor (texture, hotSpot);
+		manager.m_CursorCache[texture->GetTextureID()] = cursorToSet;
+	}
+
+	manager.m_CurrentCursor = cursorToSet;
+}
+
+Texture2D* GetSoftwareCursor()
+{
+	return SoftCursorManager::Instance().m_CurrentCursor.sCursor;
+}
+
+Vector2f GetCursorHotspot()
+{
+	return SoftCursorManager::Instance().m_CurrentCursor.hotspot;
+}
+
+void InitializeCursors(Texture2D* defaultCursorTexture, Vector2f defaultCursorHotSpot)
+{
+	SoftCursorManager& manager = SoftCursorManager::Instance ();
+	if (defaultCursorTexture)
+	{
+		manager.m_DefaultCursor = GenerateCursor (defaultCursorTexture, defaultCursorHotSpot);
+		manager.m_CurrentCursor = manager.m_DefaultCursor;
+		manager.m_UsingBuiltinDefaultCursor = true;
+	}
+}
+
+void CleanupCursors()
+{
+	SoftCursorManager::Instance().Cleanup ();
+}
+
+// needed for windows linkage with hardware cursors disabled
+#if UNITY_WIN 
+void ResetCursor ()
+{}
+
+bool HandleMouseCursor (UINT message, LPARAM lParam) 
+{
+	return false;
+}
+
+HCURSOR GetHardwareCursor ()
+{
+	return NULL;
+}
+#endif
+
+// needed for osx linkage with hardware cursors disabled
+#if UNITY_OSX
+void ResetCursor ()
+{}
+    
+NSCursor* GetCurrentCursor () 
+{
+	return NULL;
+}
+#endif
+
+#endif //!PLATFORM_SUPPORTS_HARDWARE_CURSORS
+
+}; //namespace
+