engine/gui/guiChunkedBitmapCtrl.cc
2024-01-07 04:36:33 +00:00

128 lines
3.7 KiB
C++

//-----------------------------------------------------------------------------
// V12 Engine
//
// Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------
#include "console/console.h"
#include "console/consoleTypes.h"
#include "dgl/dgl.h"
#include "dgl/gBitmap.h"
#include "GUI/guiControl.h"
#include "dgl/gTexManager.h"
#include "dgl/gChunkedTexManager.h"
class GuiChunkedBitmapCtrl : public GuiControl
{
private:
typedef GuiControl Parent;
protected:
StringTableEntry mBitmapName;
ChunkedTextureHandle mTexHandle;
bool mUseVariable;
public:
//creation methods
DECLARE_CONOBJECT(GuiChunkedBitmapCtrl);
GuiChunkedBitmapCtrl();
static void initPersistFields();
static void consoleInit();
//Parental methods
bool onWake();
void onSleep();
void setBitmap(const char *name);
void onRender(Point2I offset, const RectI &updateRect, GuiControl *firstResponder);
};
IMPLEMENT_CONOBJECT(GuiChunkedBitmapCtrl);
void GuiChunkedBitmapCtrl::initPersistFields()
{
Parent::initPersistFields();
addField( "bitmap", TypeString, Offset( mBitmapName, GuiChunkedBitmapCtrl ) );
addField( "useVariable", TypeBool, Offset( mUseVariable, GuiChunkedBitmapCtrl ) );
}
static void cChunkBmpSetBitmap( SimObject* obj, S32, const char** argv )
{
AssertFatal( dynamic_cast<GuiChunkedBitmapCtrl*>( obj ), "Object passed to cChunkBmpSetBitmap is not a GuiChunkedBitmapCtrl!" );
GuiChunkedBitmapCtrl* ctrl = static_cast<GuiChunkedBitmapCtrl*>( obj );
ctrl->setBitmap( argv[2] );
}
void GuiChunkedBitmapCtrl::consoleInit()
{
Con::addCommand( "GuiChunkedBitmapCtrl", "setBitmap", cChunkBmpSetBitmap, "ctrl.setBitmap( name );", 3, 3 );
}
GuiChunkedBitmapCtrl::GuiChunkedBitmapCtrl()
{
mBitmapName = StringTable->insert("");
mUseVariable = 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( Con::getVariable( mConsoleVariable ) );
else
mTexHandle = ChunkedTextureHandle( mBitmapName );
return true;
}
void GuiChunkedBitmapCtrl::onSleep()
{
mTexHandle = NULL;
Parent::onSleep();
}
void GuiChunkedBitmapCtrl::onRender(Point2I offset, const RectI &updateRect, GuiControl *firstResponder)
{
if(mTexHandle)
{
U32 widthCount = mTexHandle.getTextureCountWidth();
U32 heightCount = mTexHandle.getTextureCountHeight();
if(!widthCount || !heightCount)
return;
F32 widthScale = F32(mBounds.extent.x) / F32(mTexHandle.getWidth());
F32 heightScale = F32(mBounds.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);
stretchRegion.extent.x = (S32)((i * 256 + t.getWidth() ) * widthScale + offset.x - stretchRegion.point.x);
stretchRegion.extent.y = (S32)((j * 256 + t.getHeight()) * heightScale + offset.y - stretchRegion.point.y);
dglDrawBitmapStretch(t, stretchRegion);
}
}
renderChildControls(offset, updateRect, firstResponder);
}
else
Parent::onRender(offset, updateRect, firstResponder);
}