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308 lines
11 KiB
308 lines
11 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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/////////////////////////////////////////////////////////////////////////////// |
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// // |
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// plDXTextFont Class Functions // |
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// Cyan, Inc. // |
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// // |
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//// Version History ////////////////////////////////////////////////////////// |
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// // |
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// 2.19.2001 mcn - Created. // |
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// // |
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/////////////////////////////////////////////////////////////////////////////// |
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#include "hsConfig.h" |
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#include "hsWindows.h" |
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#include <d3d9.h> |
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#include <ddraw.h> |
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#include <d3dx9mesh.h> |
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#if HS_BUILD_FOR_MAC |
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#include <QuickDraw.h> |
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#endif |
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#include "hsWinRef.h" |
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#include "hsTypes.h" |
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#include "plDXTextFont.h" |
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#include "plDXPipeline.h" |
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//// Local Stuff ////////////////////////////////////////////////////////////// |
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static const long PLD3D_FONTFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE |
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| D3DFVF_TEX1 | D3DFVF_TEXCOORDSIZE3(0); |
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static D3DXMATRIX d3dIdentityMatrix( 1.0f, 0.0f, 0.0f, 0.0f, |
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0.0f, 1.0f, 0.0f, 0.0f, |
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0.0f, 0.0f, 1.0f, 0.0f, |
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0.0f, 0.0f, 0.0f, 1.0f ); |
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// Following number needs to be at least: 64 chars max in plTextFont drawn at any one time |
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// * 4 primitives per char max (for bold text) |
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// * 3 verts per primitive |
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//const UInt32 kNumVertsInBuffer(32768); |
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const UInt32 kNumVertsInBuffer(4608); |
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// See the declaration for plFontVertex in plTextFont.h for info |
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const DWORD plDXTextFont::kFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1 | D3DFVF_TEXCOORDSIZE3(0); |
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IDirect3DVertexBuffer9* plDXTextFont::fBuffer = nil; |
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UInt32 plDXTextFont::fBufferCursor = 0; |
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//// Constructor & Destructor ///////////////////////////////////////////////// |
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plDXTextFont::plDXTextFont( plPipeline *pipe, IDirect3DDevice9 *device ) : plTextFont( pipe ) |
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{ |
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fDevice = device; |
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fD3DTexture = nil; |
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fOldStateBlock = fTextStateBlock = 0; |
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} |
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plDXTextFont::~plDXTextFont() |
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{ |
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DestroyObjects(); |
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} |
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//// ICreateTexture /////////////////////////////////////////////////////////// |
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void plDXTextFont::ICreateTexture( UInt16 *data ) |
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{ |
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HRESULT hr; |
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D3DLOCKED_RECT lockInfo; |
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D3DCAPS9 d3dCaps; |
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// Check to make sure we can support it |
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fDevice->GetDeviceCaps( &d3dCaps ); |
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hsAssert( fTextureWidth <= d3dCaps.MaxTextureWidth, "Cannot initialize DX font--texture size too big" ); |
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// Create our texture object |
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hr = fDevice->CreateTexture( fTextureWidth, fTextureHeight, 1, 0, D3DFMT_A4R4G4B4, D3DPOOL_MANAGED, &fD3DTexture, NULL ); |
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hsAssert( !FAILED( hr ), "Cannot create D3D texture" ); |
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// Lock the texture and write our values out |
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fD3DTexture->LockRect( 0, &lockInfo, 0, 0 ); |
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memcpy( lockInfo.pBits, data, fTextureWidth * fTextureHeight * sizeof( UInt16 ) ); |
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fD3DTexture->UnlockRect( nil ); |
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} |
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void plDXTextFont::CreateShared(IDirect3DDevice9* device) |
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{ |
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if( FAILED( device->CreateVertexBuffer( sizeof( plFontVertex ) * kNumVertsInBuffer, |
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D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &fBuffer, NULL ) ) ) |
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{ |
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hsAssert( false, "CreateVertexBuffer() call failed!" ); |
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} |
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} |
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void plDXTextFont::ReleaseShared(IDirect3DDevice9* device) |
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{ |
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ReleaseObject( fBuffer ); |
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} |
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//// IInitStateBlocks ///////////////////////////////////////////////////////// |
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void plDXTextFont::IInitStateBlocks( void ) |
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{ |
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for( int i = 0; i < 2; i++ ) |
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{ |
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fDevice->BeginStateBlock(); |
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fDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE ); |
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fDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA ); |
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fDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA ); |
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fDevice->SetRenderState( D3DRS_ALPHATESTENABLE, TRUE ); |
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fDevice->SetRenderState( D3DRS_ALPHAREF, 0x08 ); |
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fDevice->SetRenderState( D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL ); |
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fDevice->SetRenderState( D3DRS_FILLMODE, D3DFILL_SOLID ); |
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fDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_CCW ); |
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fDevice->SetRenderState( D3DRS_ZENABLE, TRUE ); |
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fDevice->SetRenderState( D3DRS_ZFUNC, D3DCMP_ALWAYS ); |
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fDevice->SetRenderState( D3DRS_ZWRITEENABLE, TRUE ); |
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fDevice->SetRenderState( D3DRS_DEPTHBIAS, 0 ); |
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fDevice->SetRenderState( D3DRS_STENCILENABLE, FALSE ); |
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fDevice->SetRenderState( D3DRS_CLIPPING, TRUE ); |
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fDevice->SetRenderState( D3DRS_ANTIALIASEDLINEENABLE, FALSE ); |
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fDevice->SetRenderState( D3DRS_VERTEXBLEND, FALSE ); |
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fDevice->SetRenderState( D3DRS_INDEXEDVERTEXBLENDENABLE, FALSE ); |
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fDevice->SetRenderState( D3DRS_FOGENABLE, FALSE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE ); |
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fDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_POINT ); |
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fDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT ); |
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fDevice->SetSamplerState( 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE ); |
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fDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, 0 ); |
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fDevice->SetTextureStageState( 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2 ); |
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fDevice->SetTextureStageState( 1, D3DTSS_COLOROP, D3DTOP_DISABLE ); |
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fDevice->SetTextureStageState( 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE ); |
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fDevice->SetRenderState( D3DRS_LIGHTING, FALSE ); |
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if( i == 0 ) |
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fDevice->EndStateBlock( &fOldStateBlock ); |
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else |
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fDevice->EndStateBlock( &fTextStateBlock ); |
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} |
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} |
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//// DestroyObjects /////////////////////////////////////////////////////////// |
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void plDXTextFont::DestroyObjects() |
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{ |
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ReleaseObject(fOldStateBlock); |
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ReleaseObject(fTextStateBlock); |
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ReleaseObject(fD3DTexture); |
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fOldStateBlock = fTextStateBlock = 0; |
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fD3DTexture = nil; |
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fInitialized = false; |
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} |
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//// IDrawPrimitive /////////////////////////////////////////////////////////// |
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void plDXTextFont::IDrawPrimitive( UInt32 count, plFontVertex *array ) |
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{ |
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plFontVertex *v; |
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if( !fBuffer ) |
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return; |
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/// Lock the buffer and write to it |
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if( fBufferCursor && (fBufferCursor + count * 3 < kNumVertsInBuffer) ) |
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{ |
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// We can lock part of it |
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if( FAILED( fBuffer->Lock( fBufferCursor * sizeof( plFontVertex ), |
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count * 3 * sizeof( plFontVertex ), |
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(void **)&v, D3DLOCK_NOOVERWRITE ) ) ) |
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{ |
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hsAssert( false, "Failed to lock vertex buffer for writing" ); |
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return; |
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} |
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fBufferCursor += count * 3; |
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} |
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else |
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{ |
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// Gotta start over |
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FlushDraws(); |
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fBufferCursor = count * 3; |
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if( FAILED( fBuffer->Lock( 0, count * 3 * sizeof( plFontVertex ), |
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(void **)&v, D3DLOCK_DISCARD ) ) ) |
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{ |
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hsAssert( false, "Failed to lock vertex buffer for writing" ); |
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return; |
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} |
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} |
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if( v != nil && array != nil ) |
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{ |
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memcpy( v, array, count * sizeof( plFontVertex ) * 3 ); |
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} |
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fBuffer->Unlock(); |
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} |
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//// IDrawLines /////////////////////////////////////////////////////////////// |
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void plDXTextFont::IDrawLines( UInt32 count, plFontVertex *array ) |
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{ |
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if( !fBuffer ) |
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return; |
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if( count == 0 || array == nil ) |
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return; |
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fDevice->SetVertexShader(NULL); |
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fDevice->SetFVF(kFVF); |
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fDevice->SetStreamSource(0, fBuffer, 0, sizeof(plFontVertex)); |
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fDevice->DrawPrimitiveUP( D3DPT_LINELIST, count, (const void *)array, sizeof( plFontVertex ) ); |
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} |
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//// FlushDraws /////////////////////////////////////////////////////////////// |
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// Flushes out and finishes any drawing left to be done. |
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void plDXTextFont::FlushDraws( void ) |
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{ |
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if( !fBuffer ) |
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return; |
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if( fBufferCursor > 0 ) |
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{ |
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fDevice->SetVertexShader( NULL ); |
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fDevice->SetFVF(kFVF); |
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fDevice->SetStreamSource( 0, fBuffer, 0, sizeof( plFontVertex ) ); |
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fDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, fBufferCursor / 3 ); |
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fBufferCursor = 0; |
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} |
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} |
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//// SaveStates /////////////////////////////////////////////////////////////// |
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void plDXTextFont::SaveStates( void ) |
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{ |
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if( !fInitialized ) |
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IInitObjects(); |
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if (fOldStateBlock) |
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fOldStateBlock->Capture(); |
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if (fTextStateBlock) |
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fTextStateBlock->Apply(); |
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fDevice->SetTexture( 0, fD3DTexture ); |
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fDevice->SetTransform( D3DTS_TEXTURE0, &d3dIdentityMatrix ); |
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/// Set up the transform matrices so that the vertices can range (0-screenWidth,0-screenHeight) |
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fDevice->SetTransform( D3DTS_WORLD, &d3dIdentityMatrix ); |
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fDevice->SetTransform( D3DTS_VIEW, &d3dIdentityMatrix ); |
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D3DXMATRIX mat; |
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mat = d3dIdentityMatrix; |
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mat(0,0) = 2.0f / (float)fPipe->Width(); |
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mat(1,1) = -2.0f / (float)fPipe->Height(); |
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mat(3,0) = -1.0; |
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mat(3,1) = 1.0; |
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fDevice->SetTransform( D3DTS_PROJECTION, &mat ); |
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} |
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//// RestoreStates //////////////////////////////////////////////////////////// |
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void plDXTextFont::RestoreStates( void ) |
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{ |
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if (fOldStateBlock) |
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fOldStateBlock->Apply(); |
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fDevice->SetTexture( 0, nil ); |
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fDevice->SetTransform( D3DTS_TEXTURE0, &d3dIdentityMatrix ); |
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} |
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