Initial commit

Torque/SDK/engine/gui/utility/guiTransitionCtrl.cc

@@ -0,0 +1,144 @@
+//------------------------------------------------------------------------------
+// Gui Vector Field Render control
+//------------------------------------------------------------------------------
+
+#include "gui/utility/guiTransitionCtrl.h"
+#include "gui/core/guiCanvas.h"
+#include "dgl/dgl.h"
+#include "util/safeDelete.h"
+
+IMPLEMENT_CONOBJECT( GuiVectorFieldCtrl );
+
+//------------------------------------------------------------------------------
+// A init function for vector field to provide some distortion
+void FN_CDECL testInitFn( const int x, const int y, const Point2I &resolution,
+                         const F32 maxX, const F32 maxY, Point2F *outVec )
+{
+   outVec->x *= mCos( ( x + y - resolution.x ) / 50.f * M_PI );
+   outVec->y *= mCos( ( x + y ) / 100.f * M_PI );
+}
+
+void FN_CDECL spiralInitFn( const int x, const int y, const Point2I &resolution,
+                         const F32 maxX, const F32 maxY, Point2F *outVec )
+{
+   outVec->x -= 0.5f;
+   outVec->y -= 0.5f;
+
+   F32 d = mSqrt( ( x - resolution.x /2.f ) * ( x - resolution.x / 2.f ) +
+               ( y - resolution.y / 2.f ) * ( y - resolution.y / 2.f ) );
+   F32 c = mCos( d * M_PI / 64.f );
+   F32 s = mSin( (d) * M_PI / 64.f );
+   outVec->x = c * outVec->x - s * outVec->y;
+   outVec->y = s * outVec->x + c * outVec->y;
+
+   outVec->x += 0.5f;
+   outVec->y += 0.5f;
+
+
+   /*outVec->x += 1.f / resolution.x;
+   outVec->y += 1.f / resolution.y;*/
+}
+//------------------------------------------------------------------------------
+
+GuiVectorFieldCtrl::GuiVectorFieldCtrl()
+{
+   // Just clear things out, don't allocate.
+   // SimObjects may not do anything significant in their constructor.
+   mVectorField = NULL;
+   mTestTexture = NULL;
+}
+
+//------------------------------------------------------------------------------
+GuiVectorFieldCtrl::~GuiVectorFieldCtrl()
+{
+   // duplicate with onRemove, just in case we're somehow deleted w/out remove
+   SAFE_DELETE( mVectorField );
+   SAFE_DELETE( mTestTexture );
+}
+
+//------------------------------------------------------------------------------
+bool GuiVectorFieldCtrl::onAdd()
+{
+   if(!Parent::onAdd())
+      return false;
+
+   mVectorField = new VectorField(Point2I(16,21));
+   mTestTexture = new TextureHandle("common/TestMap", BitmapTexture);
+
+   mFeedbackTexture.setUpdateRect(mBounds);
+   mClearColor.set(1.0f, 0.0f, 0.0f, 1.0f);
+
+   return true;
+}
+
+//------------------------------------------------------------------------------
+void GuiVectorFieldCtrl::onRemove()
+{
+   SAFE_DELETE( mVectorField );
+   SAFE_DELETE( mTestTexture );
+
+   Parent::onRemove();
+}
+
+//------------------------------------------------------------------------------
+
+void GuiVectorFieldCtrl::onRender( Point2I offset, const RectI &updateRect )
+{
+   RectI ctrlRect( offset, mBounds.extent );
+
+   glDisable(GL_LIGHTING);
+
+   //glEnable(GL_TEXTURE_2D);
+   glEnable(GL_BLEND);
+
+   //glBindTexture(GL_TEXTURE_2D, mTestTexture->getGLName() );
+   //glBindTexture(GL_TEXTURE_2D, mFeedbackTexture.getTextureHandle().getGLName() );
+
+   // CTE = 0x812F
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
+   glTexParameterfv( GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, (F32 *)&mClearColor );
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   // Blend stuff
+   glBlendEquationEXT( GL_FUNC_ADD_EXT );
+   glBlendColorEXT( 0.1f, 0.1f, 0.1f, 0.f );
+   glBlendFunc( GL_CONSTANT_COLOR_EXT, GL_ONE );
+
+   // Render the current field
+   //mVectorField->renderField( true );
+   //dglDrawRectFill( ctrlRect, mClearColor );
+
+   glColor4ub( 0, 128, 0, 255 );
+   glRecti( (S32)ctrlRect.point.x, (S32)ctrlRect.point.y,
+            (S32)ctrlRect.point.x + ctrlRect.extent.x,
+            (S32)ctrlRect.point.y + ctrlRect.extent.y );
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_BLEND);
+
+   //mVectorField->visualizeField();
+}
+
+//------------------------------------------------------------------------------
+
+void GuiVectorFieldCtrl::resize(const Point2I &newPosition, const Point2I &newExtent)
+{
+   Parent::resize( newPosition, newExtent );
+
+   mFeedbackTexture.setUpdateRect( RectI( newPosition, newExtent ) );
+
+   TextureObject *obj = (TextureObject *)*mTestTexture;
+   //TextureObject *obj = (TextureObject *)mFeedbackTexture.getTextureHandle();
+   F32 maxX  = F32(obj->bitmapWidth) / F32(obj->texWidth);
+   F32 maxY = F32(obj->bitmapHeight) / F32(obj->texHeight);
+
+   mVectorField->initVectorField( maxX, maxY, VectorField::Flip_None, &spiralInitFn );
+}
+
+//------------------------------------------------------------------------------
+
+void GuiVectorFieldCtrl::processTick()
+{
+   mFeedbackTexture.updateAtEndOfFrame();
+}