LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
837 lines
28 KiB
C++
837 lines
28 KiB
C++
//-----------------------------------------------------------------------------
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// File: D3DTextr.cpp
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//
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// Desc: Functions to manage textures, including creating (loading from a
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// file), restoring lost surfaces, invalidating, and destroying.
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//
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// Note: the implementation of these functions maintains an internal list
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// of loaded textures. After creation, individual textures are referenced
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// via their ASCII names.
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//
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// Copyright (c) 2000-2001 Microsoft Corporation. All rights reserved
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//-----------------------------------------------------------------------------
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#include "project.h"
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#include <tchar.h>
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#include "D3DTextr.h"
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#include "D3DUtil.h"
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#include <stdio.h>
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#ifndef _T
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#define _T TEXT
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#endif
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//-----------------------------------------------------------------------------
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// Macros, function prototypes and static variable
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//-----------------------------------------------------------------------------
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static TCHAR g_strTexturePath[512] = _T(""); // Path for files
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// Local list of textures
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static TextureContainer* g_ptcTextureList = NULL;
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//-----------------------------------------------------------------------------
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// Name: CD3DTextureManager
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// Desc: Class used to automatically construct and destruct the static
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// texture engine class.
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//-----------------------------------------------------------------------------
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class CD3DTextureManager
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{
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public:
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CD3DTextureManager() {}
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~CD3DTextureManager() { if( g_ptcTextureList ) delete g_ptcTextureList; }
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};
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// Global instance
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CD3DTextureManager g_StaticTextureEngine;
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//-----------------------------------------------------------------------------
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// Name: struct TEXTURESEARCHINFO
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// Desc: Structure used to search for texture formats
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//-----------------------------------------------------------------------------
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struct TEXTURESEARCHINFO
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{
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DWORD dwDesiredBPP; // Input for texture format search
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BOOL bUseAlpha;
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BOOL bUsePalette;
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BOOL bFoundGoodFormat;
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DDPIXELFORMAT* pddpf; // Output of texture format search
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};
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//-----------------------------------------------------------------------------
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// Name: TextureSearchCallback()
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// Desc: Enumeration callback routine to find a best-matching texture format.
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// The param data is the DDPIXELFORMAT of the best-so-far matching
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// texture. Note: the desired BPP is passed in the dwSize field, and the
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// default BPP is passed in the dwFlags field.
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//-----------------------------------------------------------------------------
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static HRESULT CALLBACK TextureSearchCallback( DDPIXELFORMAT* pddpf,
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VOID* param )
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{
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if( NULL==pddpf || NULL==param )
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return DDENUMRET_OK;
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TEXTURESEARCHINFO* ptsi = (TEXTURESEARCHINFO*)param;
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// Skip any unusual modes
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if( pddpf->dwFlags & (DDPF_LUMINANCE|DDPF_BUMPLUMINANCE|DDPF_BUMPDUDV) )
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return DDENUMRET_OK;
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// Check for palettized formats
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if( ptsi->bUsePalette )
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{
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if( !( pddpf->dwFlags & DDPF_PALETTEINDEXED8 ) )
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return DDENUMRET_OK;
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// Accept the first 8-bit palettized format we get
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memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) );
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ptsi->bFoundGoodFormat = TRUE;
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return DDENUMRET_CANCEL;
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}
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// Else, skip any paletized formats (all modes under 16bpp)
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if( pddpf->dwRGBBitCount < 16 )
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return DDENUMRET_OK;
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// Skip any FourCC formats
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if( pddpf->dwFourCC != 0 )
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return DDENUMRET_OK;
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// Skip any ARGB 4444 formats (which are best used for pre-authored
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// content designed speciafically for an ARGB 4444 format).
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if( pddpf->dwRGBAlphaBitMask == 0x0000f000 )
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return DDENUMRET_OK;
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// Make sure current alpha format agrees with requested format type
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if( (ptsi->bUseAlpha==TRUE) && !(pddpf->dwFlags&DDPF_ALPHAPIXELS) )
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return DDENUMRET_OK;
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if( (ptsi->bUseAlpha==FALSE) && (pddpf->dwFlags&DDPF_ALPHAPIXELS) )
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return DDENUMRET_OK;
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// Check if we found a good match
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if( pddpf->dwRGBBitCount == ptsi->dwDesiredBPP )
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{
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memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) );
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ptsi->bFoundGoodFormat = TRUE;
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return DDENUMRET_CANCEL;
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}
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return DDENUMRET_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: FindTexture()
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// Desc: Searches the internal list of textures for a texture specified by
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// its name. Returns the structure associated with that texture.
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//-----------------------------------------------------------------------------
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static TextureContainer* FindTexture( TCHAR* strTextureName )
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{
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TextureContainer* ptcTexture = g_ptcTextureList;
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while( ptcTexture )
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{
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if( !lstrcmpi( strTextureName, ptcTexture->m_strName ) )
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return ptcTexture;
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ptcTexture = ptcTexture->m_pNext;
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Name: TextureContainer()
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// Desc: Constructor for a texture object
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//-----------------------------------------------------------------------------
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TextureContainer::TextureContainer( TCHAR* strName, DWORD dwStage,
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DWORD dwFlags, UINT uintRes /*= NULL */ )
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{
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lstrcpy( m_strName, strName );
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m_dwWidth = 0;
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m_dwHeight = 0;
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m_dwStage = dwStage;
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m_dwBPP = 0;
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m_dwFlags = dwFlags;
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m_bHasAlpha = 0;
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m_nRes = uintRes;
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m_pddsSurface = NULL;
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m_hbmBitmap = NULL;
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m_pRGBAData = NULL;
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// Add the texture to the head of the global texture list
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m_pNext = g_ptcTextureList;
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g_ptcTextureList = this;
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}
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//-----------------------------------------------------------------------------
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// Name: ~TextureContainer()
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// Desc: Destructs the contents of the texture container
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//-----------------------------------------------------------------------------
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TextureContainer::~TextureContainer()
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{
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SAFE_RELEASE( m_pddsSurface );
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SAFE_DELETE( m_pRGBAData );
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DeleteObject( m_hbmBitmap );
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// Remove the texture container from the global list
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if( g_ptcTextureList == this )
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g_ptcTextureList = m_pNext;
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else
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{
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for( TextureContainer* ptc=g_ptcTextureList; ptc; ptc=ptc->m_pNext )
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if( ptc->m_pNext == this )
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ptc->m_pNext = m_pNext;
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}
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}
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//-----------------------------------------------------------------------------
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// Name: LoadImageData()
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// Desc: Loads the texture map's image data
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//-----------------------------------------------------------------------------
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HRESULT TextureContainer::LoadImageData()
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{
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TCHAR* strExtension;
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TCHAR strPathname[256];
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HFILE file;
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char szAnsiName[256];
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// Check the executable's resource. If it's there, we're done!
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if( m_nRes )
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{
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m_hbmBitmap = (HBITMAP)LoadImage(g_hInst, MAKEINTRESOURCE(m_nRes),
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IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
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if( m_hbmBitmap )
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{
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return S_OK;
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}
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}
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m_hbmBitmap = (HBITMAP)LoadImage(g_hInst, m_strName,
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IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
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if( m_hbmBitmap )
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return S_OK;
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// First check if the file exists in the global texture path
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lstrcpy( strPathname, g_strTexturePath );
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lstrcat( strPathname, m_strName );
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wsprintfA(szAnsiName, "%ls", strPathname);
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if( NULL == ( file = _lopen(szAnsiName, OF_READ) ) )
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{
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// Then check if the file exists in the DirectX SDK media path
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lstrcpy( strPathname, D3DUtil_GetDXSDKMediaPath() );
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lstrcat( strPathname, m_strName );
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wsprintfA(szAnsiName, "%ls", strPathname);
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if( NULL == ( file = _lopen(szAnsiName, OF_READ) ) )
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return DDERR_NOTFOUND;
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}
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_lclose( file );
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// Get the filename extension
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if( NULL == ( strExtension = _tcsrchr( m_strName, _T('.') ) ) )
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return DDERR_UNSUPPORTED;
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// Load bitmap files
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if( !lstrcmpi( strExtension, _T(".bmp") ) )
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return LoadBitmapFile( strPathname );
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// Can add code here to check for other file formats before failing
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return DDERR_UNSUPPORTED;
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}
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//-----------------------------------------------------------------------------
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// Name: LoadBitmapFile()
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// Desc: Loads data from a .bmp file, and stores it in a bitmap structure.
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//-----------------------------------------------------------------------------
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HRESULT TextureContainer::LoadBitmapFile( TCHAR* strPathname )
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{
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// Try to load the bitmap as a file
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m_hbmBitmap = (HBITMAP)LoadImage( NULL, strPathname, IMAGE_BITMAP, 0, 0,
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LR_LOADFROMFILE|LR_CREATEDIBSECTION );
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if( m_hbmBitmap )
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return S_OK;
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return DDERR_NOTFOUND;
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}
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//-----------------------------------------------------------------------------
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// Name: Restore()
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// Desc: Rebuilds the texture surface using the new device.
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//-----------------------------------------------------------------------------
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HRESULT TextureContainer::Restore( LPDIRECT3DDEVICE7 pd3dDevice )
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{
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// Release any previously created objects
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SAFE_RELEASE( m_pddsSurface );
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// Check params
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if( NULL == pd3dDevice )
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return DDERR_INVALIDPARAMS;
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// Get the device caps
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D3DDEVICEDESC7 ddDesc;
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if( FAILED( pd3dDevice->GetCaps( &ddDesc) ) )
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return E_FAIL;
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// Setup the new surface desc
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DDSURFACEDESC2 ddsd;
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D3DUtil_InitSurfaceDesc( ddsd );
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ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|
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DDSD_PIXELFORMAT /* |DDSD_TEXTURESTAGE */;
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ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
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ddsd.dwTextureStage = m_dwStage;
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ddsd.dwWidth = m_dwWidth;
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ddsd.dwHeight = m_dwHeight;
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// Turn on texture management for hardware devices
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ddsd.ddsCaps.dwCaps |= DDSCAPS_VIDEOMEMORY;
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// Adjust width and height to be powers of 2, if the device requires it
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if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_POW2 )
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{
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for( ddsd.dwWidth=1; m_dwWidth>ddsd.dwWidth; ddsd.dwWidth<<=1 );
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for( ddsd.dwHeight=1; m_dwHeight>ddsd.dwHeight; ddsd.dwHeight<<=1 );
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}
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// Limit max texture sizes, if the driver can't handle large textures
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DWORD dwMaxWidth = ddDesc.dwMaxTextureWidth;
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DWORD dwMaxHeight = ddDesc.dwMaxTextureHeight;
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ddsd.dwWidth = min( ddsd.dwWidth, ( dwMaxWidth ? dwMaxWidth : 256 ) );
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ddsd.dwHeight = min( ddsd.dwHeight, ( dwMaxHeight ? dwMaxHeight : 256 ) );
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// Make the texture square, if the driver requires it
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if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_SQUAREONLY )
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{
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if( ddsd.dwWidth > ddsd.dwHeight ) ddsd.dwHeight = ddsd.dwWidth;
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else ddsd.dwWidth = ddsd.dwHeight;
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}
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// Setup the structure to be used for texture enumration.
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TEXTURESEARCHINFO tsi;
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tsi.bFoundGoodFormat = FALSE;
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tsi.pddpf = &ddsd.ddpfPixelFormat;
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tsi.dwDesiredBPP = m_dwBPP;
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tsi.bUsePalette = ( m_dwBPP <= 8 );
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tsi.bUseAlpha = m_bHasAlpha;
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if( m_dwFlags & D3DTEXTR_16BITSPERPIXEL )
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tsi.dwDesiredBPP = 16;
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else if( m_dwFlags & D3DTEXTR_32BITSPERPIXEL )
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tsi.dwDesiredBPP = 32;
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if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
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{
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if( tsi.bUsePalette )
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{
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if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_ALPHAPALETTE )
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{
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tsi.bUseAlpha = TRUE;
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tsi.bUsePalette = TRUE;
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}
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else
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{
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tsi.bUseAlpha = TRUE;
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tsi.bUsePalette = FALSE;
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}
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}
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}
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OutputDebugString("Restore: calling EnumTextureFormats\n");
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// Enumerate the texture formats, and find the closest device-supported
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// texture pixel format
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pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi );
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// If we couldn't find a format, let's try a default format
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if( FALSE == tsi.bFoundGoodFormat )
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{
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tsi.bUsePalette = FALSE;
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tsi.dwDesiredBPP = 16;
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pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi );
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// If we still fail, we cannot create this texture
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if( FALSE == tsi.bFoundGoodFormat )
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return E_FAIL;
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}
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// Get the DirectDraw interface for creating surfaces
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LPDIRECTDRAW7 pDD;
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LPDIRECTDRAWSURFACE7 pddsRender;
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OutputDebugString("Restore: calling GetRenderTarget\n");
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pd3dDevice->GetRenderTarget( &pddsRender );
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pddsRender->GetDDInterface( (VOID**)&pDD );
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pddsRender->Release();
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// Create a new surface for the texture
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OutputDebugString("Restore: calling CreateSurface\n");
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HRESULT hr = pDD->CreateSurface( &ddsd, &m_pddsSurface, NULL );
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// Done with DDraw
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pDD->Release();
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if( FAILED(hr) )
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return hr;
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// For bitmap-based textures, copy the bitmap image.
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OutputDebugString("Restore: calling CopyBitmapToSurface\n");
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if( m_hbmBitmap )
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return CopyBitmapToSurface();
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if( m_pRGBAData )
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return CopyRGBADataToSurface();
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// At this point, code can be added to handle other file formats (such as
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// .dds files, .jpg files, etc.).
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: CopyBitmapToSurface()
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// Desc: Copies the image of a bitmap into a surface
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//-----------------------------------------------------------------------------
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HRESULT TextureContainer::CopyBitmapToSurface()
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{
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// Get a DDraw object to create a temporary surface
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LPDIRECTDRAW7 pDD;
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m_pddsSurface->GetDDInterface( (VOID**)&pDD );
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// Get the bitmap structure (to extract width, height, and bpp)
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BITMAP bm;
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GetObject( m_hbmBitmap, sizeof(BITMAP), &bm );
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// Setup the new surface desc
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DDSURFACEDESC2 ddsd;
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ddsd.dwSize = sizeof(ddsd);
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m_pddsSurface->GetSurfaceDesc( &ddsd );
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ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|DDSD_PIXELFORMAT|
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DDSD_TEXTURESTAGE;
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ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE|DDSCAPS_SYSTEMMEMORY;
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ddsd.ddsCaps.dwCaps2 = 0L;
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ddsd.dwWidth = bm.bmWidth;
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ddsd.dwHeight = bm.bmHeight;
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// Create a new surface for the texture
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LPDIRECTDRAWSURFACE7 pddsTempSurface;
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HRESULT hr;
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if( FAILED( hr = pDD->CreateSurface( &ddsd, &pddsTempSurface, NULL ) ) )
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{
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pDD->Release();
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return hr;
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}
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// Get a DC for the bitmap
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HDC hdcBitmap = CreateCompatibleDC( NULL );
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if( NULL == hdcBitmap )
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{
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pddsTempSurface->Release();
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pDD->Release();
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return hr;
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}
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SelectObject( hdcBitmap, m_hbmBitmap );
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// Handle palettized textures. Need to attach a palette
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if( ddsd.ddpfPixelFormat.dwRGBBitCount == 8 )
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{
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LPDIRECTDRAWPALETTE pPalette;
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DWORD dwPaletteFlags = DDPCAPS_8BIT|DDPCAPS_ALLOW256;
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DWORD pe[256];
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UINT wNumColors = GetDIBColorTable( hdcBitmap, 0, 256, (RGBQUAD*)pe );
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// Create the color table
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for( WORD i=0; i<wNumColors; i++ )
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{
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pe[i] = RGB( GetBValue(pe[i]), GetGValue(pe[i]), GetRValue(pe[i]) );
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// Handle textures with transparent pixels
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if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
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{
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// Set alpha for opaque pixels
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if( m_dwFlags & D3DTEXTR_TRANSPARENTBLACK )
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{
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if( pe[i] != 0x00000000 )
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pe[i] |= 0xff000000;
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}
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else if( m_dwFlags & D3DTEXTR_TRANSPARENTWHITE )
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{
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if( pe[i] != 0x00ffffff )
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pe[i] |= 0xff000000;
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}
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}
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}
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// Add DDPCAPS_ALPHA flag for textures with transparent pixels
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if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
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dwPaletteFlags |= DDPCAPS_ALPHA;
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// Create & attach a palette
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pDD->CreatePalette( dwPaletteFlags, (PALETTEENTRY*)pe, &pPalette, NULL );
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pddsTempSurface->SetPalette( pPalette );
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m_pddsSurface->SetPalette( pPalette );
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SAFE_RELEASE( pPalette );
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}
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// Copy the bitmap image to the surface.
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HDC hdcSurface;
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if( SUCCEEDED( pddsTempSurface->GetDC( &hdcSurface ) ) )
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{
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BitBlt( hdcSurface, 0, 0, bm.bmWidth, bm.bmHeight, hdcBitmap, 0, 0,
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SRCCOPY );
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pddsTempSurface->ReleaseDC( hdcSurface );
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}
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DeleteDC( hdcBitmap );
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// Copy the temp surface to the real texture surface
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m_pddsSurface->Blt( NULL, pddsTempSurface, NULL, DDBLT_WAIT, NULL );
|
|
|
|
// Done with the temp surface
|
|
pddsTempSurface->Release();
|
|
|
|
// For textures with real alpha (not palettized), set transparent bits
|
|
if( ddsd.ddpfPixelFormat.dwRGBAlphaBitMask )
|
|
{
|
|
if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
|
|
{
|
|
// Lock the texture surface
|
|
DDSURFACEDESC2 ddsd;
|
|
ddsd.dwSize = sizeof(ddsd);
|
|
while( m_pddsSurface->Lock( NULL, &ddsd, 0, NULL ) ==
|
|
DDERR_WASSTILLDRAWING );
|
|
|
|
DWORD dwAlphaMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask;
|
|
DWORD dwRGBMask = ( ddsd.ddpfPixelFormat.dwRBitMask |
|
|
ddsd.ddpfPixelFormat.dwGBitMask |
|
|
ddsd.ddpfPixelFormat.dwBBitMask );
|
|
DWORD dwColorkey = 0x00000000; // Colorkey on black
|
|
if( m_dwFlags & D3DTEXTR_TRANSPARENTWHITE )
|
|
dwColorkey = dwRGBMask; // Colorkey on white
|
|
|
|
// Add an opaque alpha value to each non-colorkeyed pixel
|
|
for( DWORD y=0; y<ddsd.dwHeight; y++ )
|
|
{
|
|
WORD* p16 = (WORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
|
|
DWORD* p32 = (DWORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
|
|
|
|
for( DWORD x=0; x<ddsd.dwWidth; x++ )
|
|
{
|
|
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 16 )
|
|
{
|
|
if( ( *p16 &= dwRGBMask ) != dwColorkey )
|
|
*p16 |= dwAlphaMask;
|
|
p16++;
|
|
}
|
|
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 32 )
|
|
{
|
|
if( ( *p32 &= dwRGBMask ) != dwColorkey )
|
|
*p32 |= dwAlphaMask;
|
|
p32++;
|
|
}
|
|
}
|
|
}
|
|
m_pddsSurface->Unlock( NULL );
|
|
}
|
|
}
|
|
|
|
pDD->Release();
|
|
|
|
return S_OK;;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: CopyRGBADataToSurface()
|
|
// Desc: Invalidates the current texture objects and rebuilds new ones
|
|
// using the new device.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT TextureContainer::CopyRGBADataToSurface()
|
|
{
|
|
// Get a DDraw object to create a temporary surface
|
|
LPDIRECTDRAW7 pDD;
|
|
m_pddsSurface->GetDDInterface( (VOID**)&pDD );
|
|
|
|
// Setup the new surface desc
|
|
DDSURFACEDESC2 ddsd;
|
|
ddsd.dwSize = sizeof(ddsd);
|
|
m_pddsSurface->GetSurfaceDesc( &ddsd );
|
|
ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|DDSD_PIXELFORMAT|
|
|
DDSD_TEXTURESTAGE;
|
|
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE|DDSCAPS_SYSTEMMEMORY;
|
|
ddsd.ddsCaps.dwCaps2 = 0L;
|
|
ddsd.dwWidth = m_dwWidth;
|
|
ddsd.dwHeight = m_dwHeight;
|
|
|
|
// Create a new surface for the texture
|
|
LPDIRECTDRAWSURFACE7 pddsTempSurface;
|
|
HRESULT hr;
|
|
if( FAILED( hr = pDD->CreateSurface( &ddsd, &pddsTempSurface, NULL ) ) )
|
|
{
|
|
pDD->Release();
|
|
return NULL;
|
|
}
|
|
|
|
while( pddsTempSurface->Lock( NULL, &ddsd, 0, 0 ) == DDERR_WASSTILLDRAWING );
|
|
DWORD lPitch = ddsd.lPitch;
|
|
BYTE* pBytes = (BYTE*)ddsd.lpSurface;
|
|
|
|
DWORD dwRMask = ddsd.ddpfPixelFormat.dwRBitMask;
|
|
DWORD dwGMask = ddsd.ddpfPixelFormat.dwGBitMask;
|
|
DWORD dwBMask = ddsd.ddpfPixelFormat.dwBBitMask;
|
|
DWORD dwAMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask;
|
|
|
|
DWORD dwRShiftL = 8, dwRShiftR = 0;
|
|
DWORD dwGShiftL = 8, dwGShiftR = 0;
|
|
DWORD dwBShiftL = 8, dwBShiftR = 0;
|
|
DWORD dwAShiftL = 8, dwAShiftR = 0;
|
|
|
|
DWORD dwMask;
|
|
for( dwMask=dwRMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwRShiftR++;
|
|
for( ; dwMask; dwMask>>=1 ) dwRShiftL--;
|
|
|
|
for( dwMask=dwGMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwGShiftR++;
|
|
for( ; dwMask; dwMask>>=1 ) dwGShiftL--;
|
|
|
|
for( dwMask=dwBMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwBShiftR++;
|
|
for( ; dwMask; dwMask>>=1 ) dwBShiftL--;
|
|
|
|
for( dwMask=dwAMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwAShiftR++;
|
|
for( ; dwMask; dwMask>>=1 ) dwAShiftL--;
|
|
|
|
for( DWORD y=0; y<ddsd.dwHeight; y++ )
|
|
{
|
|
DWORD* pDstData32 = (DWORD*)pBytes;
|
|
WORD* pDstData16 = (WORD*)pBytes;
|
|
|
|
for( DWORD x=0; x<ddsd.dwWidth; x++ )
|
|
{
|
|
DWORD dwPixel = m_pRGBAData[y*ddsd.dwWidth+x];
|
|
|
|
BYTE r = (BYTE)((dwPixel>>24)&0x000000ff);
|
|
BYTE g = (BYTE)((dwPixel>>16)&0x000000ff);
|
|
BYTE b = (BYTE)((dwPixel>> 8)&0x000000ff);
|
|
BYTE a = (BYTE)((dwPixel>> 0)&0x000000ff);
|
|
|
|
DWORD dr = ((r>>(dwRShiftL))<<dwRShiftR)&dwRMask;
|
|
DWORD dg = ((g>>(dwGShiftL))<<dwGShiftR)&dwGMask;
|
|
DWORD db = ((b>>(dwBShiftL))<<dwBShiftR)&dwBMask;
|
|
DWORD da = ((a>>(dwAShiftL))<<dwAShiftR)&dwAMask;
|
|
|
|
if( 32 == ddsd.ddpfPixelFormat.dwRGBBitCount )
|
|
pDstData32[x] = (DWORD)(dr+dg+db+da);
|
|
else
|
|
pDstData16[x] = (WORD)(dr+dg+db+da);
|
|
}
|
|
|
|
pBytes += ddsd.lPitch;
|
|
}
|
|
|
|
pddsTempSurface->Unlock(0);
|
|
|
|
// Copy the temp surface to the real texture surface
|
|
m_pddsSurface->Blt( NULL, pddsTempSurface, NULL, DDBLT_WAIT, NULL );
|
|
|
|
// Done with the temp objects
|
|
pddsTempSurface->Release();
|
|
pDD->Release();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_SetTexturePath()
|
|
// Desc: Enumeration callback routine to find a best-matching texture format.
|
|
//-----------------------------------------------------------------------------
|
|
VOID D3DTextr_SetTexturePath( TCHAR* strTexturePath )
|
|
{
|
|
if( NULL == strTexturePath )
|
|
strTexturePath = _T("");
|
|
lstrcpy( g_strTexturePath, strTexturePath );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_CreateTextureFromFile()
|
|
// Desc: Is passed a filename and creates a local Bitmap from that file.
|
|
// The texture can not be used until it is restored, however.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_CreateTextureFromFile( TCHAR* strName, DWORD dwStage,
|
|
DWORD dwFlags )
|
|
{
|
|
// Check parameters
|
|
if( NULL == strName )
|
|
return E_INVALIDARG;
|
|
|
|
// Check first to see if the texture is already loaded
|
|
if( NULL != FindTexture( strName ) )
|
|
return S_OK;
|
|
|
|
// Allocate and add the texture to the linked list of textures;
|
|
TextureContainer* ptcTexture = new TextureContainer( strName, dwStage,
|
|
dwFlags );
|
|
if( NULL == ptcTexture )
|
|
return E_OUTOFMEMORY;
|
|
|
|
// Create a bitmap and load the texture file into it,
|
|
if( FAILED( ptcTexture->LoadImageData() ) )
|
|
{
|
|
delete ptcTexture;
|
|
return E_FAIL;
|
|
}
|
|
|
|
// Save the image's dimensions
|
|
if( ptcTexture->m_hbmBitmap )
|
|
{
|
|
BITMAP bm;
|
|
GetObject( ptcTexture->m_hbmBitmap, sizeof(BITMAP), &bm );
|
|
ptcTexture->m_dwWidth = (DWORD)bm.bmWidth;
|
|
ptcTexture->m_dwHeight = (DWORD)bm.bmHeight;
|
|
ptcTexture->m_dwBPP = (DWORD)bm.bmBitsPixel;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_CreateEmptyTexture()
|
|
// Desc: Creates an empty texture.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_CreateEmptyTexture( TCHAR* strName, DWORD dwWidth,
|
|
DWORD dwHeight, DWORD dwStage,
|
|
DWORD dwFlags )
|
|
{
|
|
// Check parameters
|
|
if( NULL == strName )
|
|
return E_INVALIDARG;
|
|
|
|
// Check first to see if the texture is already loaded
|
|
if( NULL != FindTexture( strName ) )
|
|
return E_FAIL;
|
|
|
|
// Allocate and add the texture to the linked list of textures;
|
|
TextureContainer* ptcTexture = new TextureContainer( strName, dwStage,
|
|
dwFlags );
|
|
if( NULL == ptcTexture )
|
|
return E_OUTOFMEMORY;
|
|
|
|
// Save dimensions
|
|
ptcTexture->m_dwWidth = dwWidth;
|
|
ptcTexture->m_dwHeight = dwHeight;
|
|
ptcTexture->m_dwBPP = 16;
|
|
if( ptcTexture->m_dwFlags & D3DTEXTR_32BITSPERPIXEL )
|
|
ptcTexture->m_dwBPP = 32;
|
|
|
|
// Save alpha usage flag
|
|
if( dwFlags & D3DTEXTR_CREATEWITHALPHA )
|
|
ptcTexture->m_bHasAlpha = TRUE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_Restore()
|
|
// Desc: Invalidates the current texture objects and rebuilds new ones
|
|
// using the new device.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_Restore( TCHAR* strName, LPDIRECT3DDEVICE7 pd3dDevice )
|
|
{
|
|
TextureContainer* ptcTexture = FindTexture( strName );
|
|
if( NULL == ptcTexture )
|
|
return DDERR_NOTFOUND;
|
|
|
|
// Restore the texture (this recreates the new surface for this device).
|
|
return ptcTexture->Restore( pd3dDevice );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_RestoreAllTextures()
|
|
// Desc: This function is called when a mode is changed. It updates all
|
|
// texture objects to be valid with the new device.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_RestoreAllTextures( LPDIRECT3DDEVICE7 pd3dDevice )
|
|
{
|
|
TextureContainer* ptcTexture = g_ptcTextureList;
|
|
|
|
while( ptcTexture )
|
|
{
|
|
D3DTextr_Restore( ptcTexture->m_strName, pd3dDevice );
|
|
ptcTexture = ptcTexture->m_pNext;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_Invalidate()
|
|
// Desc: Used to bump a texture out of (video) memory, this function
|
|
// actually destroys the d3dtexture and ddsurface of the texture
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_Invalidate( TCHAR* strName )
|
|
{
|
|
TextureContainer* ptcTexture = FindTexture( strName );
|
|
if( NULL == ptcTexture )
|
|
return DDERR_NOTFOUND;
|
|
|
|
SAFE_RELEASE( ptcTexture->m_pddsSurface );
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_InvalidateAllTextures()
|
|
// Desc: This function is called when a mode is changed. It invalidates
|
|
// all texture objects so their device can be safely released.
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_InvalidateAllTextures()
|
|
{
|
|
TextureContainer* ptcTexture = g_ptcTextureList;
|
|
|
|
while( ptcTexture )
|
|
{
|
|
SAFE_RELEASE( ptcTexture->m_pddsSurface );
|
|
ptcTexture = ptcTexture->m_pNext;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_DestroyTexture()
|
|
// Desc: Frees the resources for the specified texture container
|
|
//-----------------------------------------------------------------------------
|
|
HRESULT D3DTextr_DestroyTexture( TCHAR* strName )
|
|
{
|
|
TextureContainer* ptcTexture = FindTexture( strName );
|
|
|
|
SAFE_DELETE( ptcTexture );
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Name: D3DTextr_GetSurface()
|
|
// Desc: Returns a pointer to a d3dSurface from the name of the texture
|
|
//-----------------------------------------------------------------------------
|
|
LPDIRECTDRAWSURFACE7 D3DTextr_GetSurface( TCHAR* strName )
|
|
{
|
|
TextureContainer* ptcTexture = FindTexture( strName );
|
|
|
|
return ptcTexture ? ptcTexture->m_pddsSurface : NULL;
|
|
}
|