tge/engine/gui/game/guiChunkedBitmapCtrl.cc
2017-04-17 06:17:10 -06:00

149 lines
4.4 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#include "console/console.h"
#include "console/consoleTypes.h"
#include "dgl/dgl.h"
#include "dgl/gBitmap.h"
#include "gui/core/guiControl.h"
#include "dgl/gTexManager.h"
#include "dgl/gChunkedTexManager.h"
class GuiChunkedBitmapCtrl : public GuiControl
{
private:
typedef GuiControl Parent;
void renderRegion(const Point2I &offset, const Point2I &extent);
protected:
StringTableEntry mBitmapName;
ChunkedTextureHandle mTexHandle;
bool mUseVariable;
bool mTile;
public:
//creation methods
DECLARE_CONOBJECT(GuiChunkedBitmapCtrl);
GuiChunkedBitmapCtrl();
static void initPersistFields();
//Parental methods
bool onWake();
void onSleep();
void setBitmap(const char *name);
void onRender(Point2I offset, const RectI &updateRect);
};
IMPLEMENT_CONOBJECT(GuiChunkedBitmapCtrl);
void GuiChunkedBitmapCtrl::initPersistFields()
{
Parent::initPersistFields();
addGroup("Misc");
addField( "bitmap", TypeFilename, Offset( mBitmapName, GuiChunkedBitmapCtrl ) );
addField( "useVariable", TypeBool, Offset( mUseVariable, GuiChunkedBitmapCtrl ) );
addField( "tile", TypeBool, Offset( mTile, GuiChunkedBitmapCtrl ) );
endGroup("Misc");
}
ConsoleMethod( GuiChunkedBitmapCtrl, setBitmap, void, 3, 3, "(string filename)"
"Set the bitmap contained in this control.")
{
object->setBitmap( argv[2] );
}
GuiChunkedBitmapCtrl::GuiChunkedBitmapCtrl()
{
mBitmapName = StringTable->insert("");
mUseVariable = false;
mTile = false;
}
void GuiChunkedBitmapCtrl::setBitmap(const char *name)
{
bool awake = mAwake;
if(awake)
onSleep();
mBitmapName = StringTable->insert(name);
if(awake)
onWake();
setUpdate();
}
bool GuiChunkedBitmapCtrl::onWake()
{
if(!Parent::onWake())
return false;
if ( mUseVariable )
mTexHandle = ChunkedTextureHandle( getVariable() );
else
mTexHandle = ChunkedTextureHandle( mBitmapName );
return true;
}
void GuiChunkedBitmapCtrl::onSleep()
{
mTexHandle = NULL;
Parent::onSleep();
}
void GuiChunkedBitmapCtrl::renderRegion(const Point2I &offset, const Point2I &extent)
{
U32 widthCount = mTexHandle.getTextureCountWidth();
U32 heightCount = mTexHandle.getTextureCountHeight();
if(!widthCount || !heightCount)
return;
F32 widthScale = F32(extent.x) / F32(mTexHandle.getWidth());
F32 heightScale = F32(extent.y) / F32(mTexHandle.getHeight());
dglSetBitmapModulation(ColorF(1,1,1));
for(U32 i = 0; i < widthCount; i++)
{
for(U32 j = 0; j < heightCount; j++)
{
TextureHandle t = mTexHandle.getSubTexture(i, j);
RectI stretchRegion;
stretchRegion.point.x = (S32)(i * 256 * widthScale + offset.x);
stretchRegion.point.y = (S32)(j * 256 * heightScale + offset.y);
if(i == widthCount - 1)
stretchRegion.extent.x = extent.x + offset.x - stretchRegion.point.x;
else
stretchRegion.extent.x = (S32)((i * 256 + t.getWidth() ) * widthScale + offset.x - stretchRegion.point.x);
if(j == heightCount - 1)
stretchRegion.extent.y = extent.y + offset.y - stretchRegion.point.y;
else
stretchRegion.extent.y = (S32)((j * 256 + t.getHeight()) * heightScale + offset.y - stretchRegion.point.y);
dglDrawBitmapStretch(t, stretchRegion);
}
}
}
void GuiChunkedBitmapCtrl::onRender(Point2I offset, const RectI &updateRect)
{
if(mTexHandle)
{
if (mTile)
{
int stepy = 0;
for(int y = 0; offset.y + stepy < mBounds.extent.y; stepy += mTexHandle.getHeight())
{
int stepx = 0;
for(int x = 0; offset.x + stepx < mBounds.extent.x; stepx += mTexHandle.getWidth())
renderRegion(Point2I(offset.x+stepx, offset.y+stepy), Point2I(mTexHandle.getWidth(), mTexHandle.getHeight()) );
}
}
else
renderRegion(offset, mBounds.extent);
renderChildControls(offset, updateRect);
}
else
Parent::onRender(offset, updateRect);
}