/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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licensors of this Program grant you additional
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work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
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*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plDXTextFont Class Functions //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 2.19.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#include "HeadSpin.h"
#include <d3d9.h>
#include <ddraw.h>
#include <d3dx9mesh.h>
#include "hsWinRef.h"
#include "HeadSpin.h"
#include "plDXTextFont.h"
#include "plDXPipeline.h"
//// Local Stuff //////////////////////////////////////////////////////////////
static const long PLD3D_FONTFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE
| D3DFVF_TEX1 | D3DFVF_TEXCOORDSIZE3(0);
static D3DXMATRIX d3dIdentityMatrix( 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f );
// Following number needs to be at least: 64 chars max in plTextFont drawn at any one time
// * 4 primitives per char max (for bold text)
// * 3 verts per primitive
//const uint32_t kNumVertsInBuffer(32768);
const uint32_t kNumVertsInBuffer(4608);
// See the declaration for plFontVertex in plTextFont.h for info
const DWORD plDXTextFont::kFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1 | D3DFVF_TEXCOORDSIZE3(0);
IDirect3DVertexBuffer9* plDXTextFont::fBuffer = nil;
uint32_t plDXTextFont::fBufferCursor = 0;
//// Constructor & Destructor /////////////////////////////////////////////////
plDXTextFont::plDXTextFont( plPipeline *pipe, IDirect3DDevice9 *device ) : plTextFont( pipe )
{
fDevice = device;
fD3DTexture = nil;
fOldStateBlock = fTextStateBlock = 0;
}
plDXTextFont::~plDXTextFont()
{
DestroyObjects();
}
//// ICreateTexture ///////////////////////////////////////////////////////////
void plDXTextFont::ICreateTexture( uint16_t *data )
{
HRESULT hr;
D3DLOCKED_RECT lockInfo;
D3DCAPS9 d3dCaps;
// Check to make sure we can support it
fDevice->GetDeviceCaps( &d3dCaps );
hsAssert( fTextureWidth <= d3dCaps.MaxTextureWidth, "Cannot initialize DX font--texture size too big" );
// Create our texture object
hr = fDevice->CreateTexture( fTextureWidth, fTextureHeight, 1, 0, D3DFMT_A4R4G4B4, D3DPOOL_MANAGED, &fD3DTexture, NULL );
hsAssert( !FAILED( hr ), "Cannot create D3D texture" );
// Lock the texture and write our values out
fD3DTexture->LockRect( 0, &lockInfo, 0, 0 );
memcpy( lockInfo.pBits, data, fTextureWidth * fTextureHeight * sizeof( uint16_t ) );
fD3DTexture->UnlockRect( nil );
}
void plDXTextFont::CreateShared(IDirect3DDevice9* device)
{
if( FAILED( device->CreateVertexBuffer( sizeof( plFontVertex ) * kNumVertsInBuffer,
D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &fBuffer, NULL ) ) )
{
hsAssert( false, "CreateVertexBuffer() call failed!" );
}
}
void plDXTextFont::ReleaseShared(IDirect3DDevice9* device)
{
ReleaseObject( fBuffer );
}
//// IInitStateBlocks /////////////////////////////////////////////////////////
void plDXTextFont::IInitStateBlocks( void )
{
for( int i = 0; i < 2; i++ )
{
fDevice->BeginStateBlock();
fDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE );
fDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
fDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
fDevice->SetRenderState( D3DRS_ALPHATESTENABLE, TRUE );
fDevice->SetRenderState( D3DRS_ALPHAREF, 0x08 );
fDevice->SetRenderState( D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL );
fDevice->SetRenderState( D3DRS_FILLMODE, D3DFILL_SOLID );
fDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_CCW );
fDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
fDevice->SetRenderState( D3DRS_ZFUNC, D3DCMP_ALWAYS );
fDevice->SetRenderState( D3DRS_ZWRITEENABLE, TRUE );
fDevice->SetRenderState( D3DRS_DEPTHBIAS, 0 );
fDevice->SetRenderState( D3DRS_STENCILENABLE, FALSE );
fDevice->SetRenderState( D3DRS_CLIPPING, TRUE );
fDevice->SetRenderState( D3DRS_ANTIALIASEDLINEENABLE, FALSE );
fDevice->SetRenderState( D3DRS_VERTEXBLEND, FALSE );
fDevice->SetRenderState( D3DRS_INDEXEDVERTEXBLENDENABLE, FALSE );
fDevice->SetRenderState( D3DRS_FOGENABLE, FALSE );
fDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
fDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
fDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
fDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
fDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
fDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
fDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_POINT );
fDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT );
fDevice->SetSamplerState( 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE );
fDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, 0 );
fDevice->SetTextureStageState( 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2 );
fDevice->SetTextureStageState( 1, D3DTSS_COLOROP, D3DTOP_DISABLE );
fDevice->SetTextureStageState( 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE );
fDevice->SetRenderState( D3DRS_LIGHTING, FALSE );
if( i == 0 )
fDevice->EndStateBlock( &fOldStateBlock );
else
fDevice->EndStateBlock( &fTextStateBlock );
}
}
//// DestroyObjects ///////////////////////////////////////////////////////////
void plDXTextFont::DestroyObjects()
{
ReleaseObject(fOldStateBlock);
ReleaseObject(fTextStateBlock);
ReleaseObject(fD3DTexture);
fOldStateBlock = fTextStateBlock = 0;
fD3DTexture = nil;
fInitialized = false;
}
//// IDrawPrimitive ///////////////////////////////////////////////////////////
void plDXTextFont::IDrawPrimitive( uint32_t count, plFontVertex *array )
{
plFontVertex *v;
if( !fBuffer )
return;
/// Lock the buffer and write to it
if( fBufferCursor && (fBufferCursor + count * 3 < kNumVertsInBuffer) )
{
// We can lock part of it
if( FAILED( fBuffer->Lock( fBufferCursor * sizeof( plFontVertex ),
count * 3 * sizeof( plFontVertex ),
(void **)&v, D3DLOCK_NOOVERWRITE ) ) )
{
hsAssert( false, "Failed to lock vertex buffer for writing" );
return;
}
fBufferCursor += count * 3;
}
else
{
// Gotta start over
FlushDraws();
fBufferCursor = count * 3;
if( FAILED( fBuffer->Lock( 0, count * 3 * sizeof( plFontVertex ),
(void **)&v, D3DLOCK_DISCARD ) ) )
{
hsAssert( false, "Failed to lock vertex buffer for writing" );
return;
}
}
if( v != nil && array != nil )
{
memcpy( v, array, count * sizeof( plFontVertex ) * 3 );
}
fBuffer->Unlock();
}
//// IDrawLines ///////////////////////////////////////////////////////////////
void plDXTextFont::IDrawLines( uint32_t count, plFontVertex *array )
{
if( !fBuffer )
return;
if( count == 0 || array == nil )
return;
fDevice->SetVertexShader(NULL);
fDevice->SetFVF(kFVF);
fDevice->SetStreamSource(0, fBuffer, 0, sizeof(plFontVertex));
fDevice->DrawPrimitiveUP( D3DPT_LINELIST, count, (const void *)array, sizeof( plFontVertex ) );
}
//// FlushDraws ///////////////////////////////////////////////////////////////
// Flushes out and finishes any drawing left to be done.
void plDXTextFont::FlushDraws( void )
{
if( !fBuffer )
return;
if( fBufferCursor > 0 )
{
fDevice->SetVertexShader( NULL );
fDevice->SetFVF(kFVF);
fDevice->SetStreamSource( 0, fBuffer, 0, sizeof( plFontVertex ) );
fDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, fBufferCursor / 3 );
fBufferCursor = 0;
}
}
//// SaveStates ///////////////////////////////////////////////////////////////
void plDXTextFont::SaveStates( void )
{
if( !fInitialized )
IInitObjects();
if (fOldStateBlock)
fOldStateBlock->Capture();
if (fTextStateBlock)
fTextStateBlock->Apply();
fDevice->SetTexture( 0, fD3DTexture );
fDevice->SetTransform( D3DTS_TEXTURE0, &d3dIdentityMatrix );
/// Set up the transform matrices so that the vertices can range (0-screenWidth,0-screenHeight)
fDevice->SetTransform( D3DTS_WORLD, &d3dIdentityMatrix );
fDevice->SetTransform( D3DTS_VIEW, &d3dIdentityMatrix );
D3DXMATRIX mat;
mat = d3dIdentityMatrix;
mat(0,0) = 2.0f / (float)fPipe->Width();
mat(1,1) = -2.0f / (float)fPipe->Height();
mat(3,0) = -1.0;
mat(3,1) = 1.0;
fDevice->SetTransform( D3DTS_PROJECTION, &mat );
}
//// RestoreStates ////////////////////////////////////////////////////////////
void plDXTextFont::RestoreStates( void )
{
if (fOldStateBlock)
fOldStateBlock->Apply();
fDevice->SetTexture( 0, nil );
fDevice->SetTransform( D3DTS_TEXTURE0, &d3dIdentityMatrix );
}