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>
560 lines
19 KiB
C++
560 lines
19 KiB
C++
//-----------------------------------------------------------------------------
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// File: FishEye.cpp
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//
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// Desc: Example code showing how to do a fisheye lens effect with cubemapping.
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// The scene is rendering into a cubemap each frame, and then a
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// funky-shaped object is rendered using the cubemap and an environment
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// map.
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//
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// Copyright (c) 1997-2001 Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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#define STRICT
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#include <stdio.h>
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#include <math.h>
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#include <D3DX8.h>
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#include "D3DApp.h"
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#include "D3DFile.h"
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#include "D3DFont.h"
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#include "D3DUtil.h"
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#include "DXUtil.h"
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//-----------------------------------------------------------------------------
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// Name: struct ENVMAPPEDVERTEX
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// Desc: D3D vertex type for environment-mapped objects
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//-----------------------------------------------------------------------------
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struct ENVMAPPEDVERTEX
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{
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D3DXVECTOR3 p; // Position
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D3DXVECTOR3 n; // Normal
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};
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#define D3DFVF_ENVMAPVERTEX (D3DFVF_XYZ|D3DFVF_NORMAL)
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//-----------------------------------------------------------------------------
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// Name: class CMyD3DApplication
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// Desc: Application class. The base class (CD3DApplication) provides the
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// generic functionality needed in all Direct3D samples. CMyD3DApplication
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// adds functionality specific to this sample program.
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//-----------------------------------------------------------------------------
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class CMyD3DApplication : public CD3DApplication
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{
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// Font for drawing text
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CD3DFont* m_pFont;
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CD3DMesh* m_pSkyBoxObject;
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LPDIRECT3DCUBETEXTURE8 m_pCubeMap;
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LPDIRECT3DVERTEXBUFFER8 m_pFishEyeLensVB;
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LPDIRECT3DINDEXBUFFER8 m_pFishEyeLensIB;
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DWORD m_dwNumFishEyeLensVertices;
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DWORD m_dwNumFishEyeLensFaces;
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HRESULT RenderScene();
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HRESULT RenderSceneIntoCubeMap();
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HRESULT GenerateFishEyeLens( DWORD, DWORD, FLOAT );
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protected:
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HRESULT OneTimeSceneInit();
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HRESULT InitDeviceObjects();
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HRESULT RestoreDeviceObjects();
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HRESULT InvalidateDeviceObjects();
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HRESULT DeleteDeviceObjects();
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HRESULT Render();
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HRESULT FrameMove();
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HRESULT FinalCleanup();
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HRESULT ConfirmDevice( D3DCAPS8*, DWORD, D3DFORMAT );
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public:
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CMyD3DApplication();
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};
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//-----------------------------------------------------------------------------
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// Name: WinMain()
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// Desc: Entry point to the program. Initializes everything, and goes into a
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// message-processing loop. Idle time is used to render the scene.
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//-----------------------------------------------------------------------------
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INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
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{
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CMyD3DApplication d3dApp;
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if( FAILED( d3dApp.Create( hInst ) ) )
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return 0;
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return d3dApp.Run();
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}
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//-----------------------------------------------------------------------------
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// Name: CMyD3DApplication()
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// Desc: Application constructor. Sets attributes for the app.
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//-----------------------------------------------------------------------------
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CMyD3DApplication::CMyD3DApplication()
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{
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m_strWindowTitle = _T("FishEye: Environment mapping");
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m_bUseDepthBuffer = TRUE;
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m_pFont = new CD3DFont( _T("Arial"), 12, D3DFONT_BOLD );
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m_pSkyBoxObject = new CD3DMesh();
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m_pCubeMap = NULL;
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m_pFishEyeLensVB = NULL;
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m_pFishEyeLensIB = NULL;
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}
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//-----------------------------------------------------------------------------
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// Name: OneTimeSceneInit()
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// Desc: Called during initial app startup, this function performs all the
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// permanent initialization.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::OneTimeSceneInit()
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{
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: FrameMove()
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// Desc: Called once per frame, the call is the entry point for animating
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// the scene.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::FrameMove()
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{
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// When the window has focus, let the mouse adjust the scene
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if( GetFocus() )
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{
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D3DXQUATERNION quat = D3DUtil_GetRotationFromCursor( m_hWnd );
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D3DXMATRIX matTrackBall;
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D3DXMatrixRotationQuaternion( &matTrackBall, &quat );
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m_pd3dDevice->SetTransform( D3DTS_WORLD, &matTrackBall );
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// Render the scene into the surfaces of the cubemap
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if( FAILED( RenderSceneIntoCubeMap() ) )
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return E_FAIL;
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}
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: RenderScene()
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// Desc: Renders all visual elements in the scene. This is called by the main
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// Render() function, and also by the RenderIntoCubeMap() function.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::RenderScene()
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{
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// Render the skybox
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{
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// Save current state
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D3DXMATRIX matViewSave, matProjSave;
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m_pd3dDevice->GetTransform( D3DTS_VIEW, &matViewSave );
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m_pd3dDevice->GetTransform( D3DTS_PROJECTION, &matProjSave );
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// Disable zbuffer, center view matrix, and set FOV to 90 degrees
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D3DXMATRIX matView = matViewSave;
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D3DXMATRIX matProj = matViewSave;
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matView._41 = matView._42 = matView._43 = 0.0f;
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D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/2, 1.0f, 0.5f, 10000.0f );
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m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
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m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
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m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, FALSE );
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// Render the skybox
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m_pSkyBoxObject->Render( m_pd3dDevice );
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// Restore the render states
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m_pd3dDevice->SetTransform( D3DTS_VIEW, &matViewSave );
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m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProjSave );
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m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
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}
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// Render any other elements of the scene here. In this sample, only a
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// skybox is render, but a much more interesting scene could be rendered
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// instead.
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: RenderSceneIntoCubeMap()
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// Desc: Renders the scene to each of the 6 faces of the cube map
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::RenderSceneIntoCubeMap()
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{
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// Save transformation matrices of the device
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D3DXMATRIX matProjSave, matViewSave;
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m_pd3dDevice->GetTransform( D3DTS_VIEW, &matViewSave );
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m_pd3dDevice->GetTransform( D3DTS_PROJECTION, &matProjSave );
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// Set the projection matrix for a field of view of 90 degrees
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D3DXMATRIX matProj;
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D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/2, 1.0f, 0.5f, 100.0f );
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m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
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// Get the current view matrix, to concat it with the cubemap view vectors
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D3DXMATRIX matViewDir;
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m_pd3dDevice->GetTransform( D3DTS_VIEW, &matViewDir );
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matViewDir._41 = 0.0f; matViewDir._42 = 0.0f; matViewDir._43 = 0.0f;
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// Store the current backbuffer and zbuffer
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LPDIRECT3DSURFACE8 pBackBuffer, pZBuffer;
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m_pd3dDevice->GetRenderTarget( &pBackBuffer );
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m_pd3dDevice->GetDepthStencilSurface( &pZBuffer );
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// Render to the six faces of the cube map
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for( DWORD i=0; i<6; i++ )
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{
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// Set the view transform for this cubemap surface
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D3DXMATRIX matView;
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matView = D3DUtil_GetCubeMapViewMatrix( (D3DCUBEMAP_FACES)i );
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D3DXMatrixMultiply( &matView, &matViewDir, &matView );
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m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
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// Set the rendertarget to the i'th cubemap surface
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LPDIRECT3DSURFACE8 pCubeMapFace;
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m_pCubeMap->GetCubeMapSurface( (D3DCUBEMAP_FACES)i, 0, &pCubeMapFace );
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m_pd3dDevice->SetRenderTarget( pCubeMapFace, NULL );
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pCubeMapFace->Release();
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// Render the scene
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m_pd3dDevice->BeginScene();
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RenderScene();
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m_pd3dDevice->EndScene();
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}
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// Change the rendertarget back to the main backbuffer
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m_pd3dDevice->SetRenderTarget( pBackBuffer, pZBuffer );
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pBackBuffer->Release();
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pZBuffer->Release();
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// Restore the original transformation matrices
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m_pd3dDevice->SetTransform( D3DTS_VIEW, &matViewSave );
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m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProjSave );
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: Render()
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// Desc: Called once per frame, the call is the entry point for 3d
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// rendering. This function sets up render states, clears the
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// viewport, and renders the scene.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::Render()
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{
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// Begin the scene
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if( FAILED( m_pd3dDevice->BeginScene() ) )
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return S_OK;
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// Set the states we want: identity matrix, no z-buffer, and cubemap texture
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// coordinate generation
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D3DXMATRIX matWorld;
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D3DXMatrixIdentity( &matWorld );
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m_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
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m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, FALSE );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_CAMERASPACEREFLECTIONVECTOR );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT3 );
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// Render the fisheye lens object with the environment-mapped body.
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m_pd3dDevice->SetTexture( 0, m_pCubeMap );
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m_pd3dDevice->SetVertexShader( D3DFVF_ENVMAPVERTEX );
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m_pd3dDevice->SetStreamSource( 0, m_pFishEyeLensVB, sizeof(ENVMAPPEDVERTEX) );
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m_pd3dDevice->SetIndices( m_pFishEyeLensIB, 0 );
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m_pd3dDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST,
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0, m_dwNumFishEyeLensVertices,
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0, m_dwNumFishEyeLensFaces );
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// Restore the render states
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_PASSTHRU );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE );
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m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
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// Output statistics
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m_pFont->DrawText( 2, 0, D3DCOLOR_ARGB(255,255,255,0), m_strFrameStats );
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m_pFont->DrawText( 2, 20, D3DCOLOR_ARGB(255,255,255,0), m_strDeviceStats );
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// End the scene.
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m_pd3dDevice->EndScene();
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: InitDeviceObjects()
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// Desc: Initialize scene objects.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::InitDeviceObjects()
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{
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HRESULT hr;
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// Initialize the font's internal textures
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m_pFont->InitDeviceObjects( m_pd3dDevice );
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// Load the file objects
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if( FAILED( hr = m_pSkyBoxObject->Create( m_pd3dDevice, _T("Lobby_skybox.x") ) ) )
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return D3DAPPERR_MEDIANOTFOUND;
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// Create the fisheye lens
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if( FAILED( hr = GenerateFishEyeLens( 20, 20, 1.0f ) ) )
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return hr;
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: RestoreDeviceObjects()
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// Desc: Restore device-memory objects and state after a device is created or
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// resized.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::RestoreDeviceObjects()
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{
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HRESULT hr;
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m_pFont->RestoreDeviceObjects();
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// Restore device objects for the skybox
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m_pSkyBoxObject->RestoreDeviceObjects( m_pd3dDevice );
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// Create the cubemap
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if( FAILED( hr = m_pd3dDevice->CreateCubeTexture( 256, 1, D3DUSAGE_RENDERTARGET,
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m_d3dsdBackBuffer.Format,
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D3DPOOL_DEFAULT, &m_pCubeMap ) ) )
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return hr;
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// Set default render states
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_ADDRESSU, D3DTADDRESS_MIRROR );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_ADDRESSV, D3DTADDRESS_MIRROR );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MINFILTER, D3DTEXF_LINEAR );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR );
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m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MIPFILTER, D3DTEXF_NONE );
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m_pd3dDevice->SetRenderState( D3DRS_AMBIENT, 0xffffffff );
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// Set the transforms
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D3DXVECTOR3 m_vEyePt = D3DXVECTOR3( 0.0f, 0.0f,-5.0f );
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D3DXVECTOR3 m_vLookatPt = D3DXVECTOR3( 0.0f, 0.0f, 0.0f );
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D3DXVECTOR3 m_vUpVec = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
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D3DXMATRIX matWorld, matView, matProj;
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D3DXMatrixIdentity( &matWorld );
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D3DXMatrixLookAtLH( &matView, &m_vEyePt, &m_vLookatPt, &m_vUpVec );
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D3DXMatrixOrthoLH( &matProj, 2.0f, 2.0f, 0.5f, 100.0f );
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m_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
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m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
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m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: InvalidateDeviceObjects()
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// Desc: Called when the device-dependent objects are about to be lost.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::InvalidateDeviceObjects()
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{
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m_pFont->InvalidateDeviceObjects();
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m_pSkyBoxObject->InvalidateDeviceObjects();
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SAFE_RELEASE( m_pCubeMap );
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: DeleteDeviceObjects()
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// Desc: Called when the app is exiting, or the device is being changed,
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// this function deletes any device dependent objects.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::DeleteDeviceObjects()
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{
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m_pFont->DeleteDeviceObjects();
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m_pSkyBoxObject->Destroy();
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SAFE_RELEASE( m_pFishEyeLensVB );
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SAFE_RELEASE( m_pFishEyeLensIB );
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: FinalCleanup()
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// Desc: Called before the app exits, this function gives the app the chance
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// to cleanup after itself.
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::FinalCleanup()
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{
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SAFE_DELETE( m_pFont );
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SAFE_DELETE( m_pSkyBoxObject );
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: ConfirmDevice()
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// Desc: Called during device intialization, this code checks the device
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// for some minimum set of capabilities
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::ConfirmDevice( D3DCAPS8* pCaps, DWORD dwBehavior,
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D3DFORMAT Format )
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{
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if( dwBehavior & D3DCREATE_PUREDEVICE )
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return E_FAIL; // GetTransform doesn't work on PUREDEVICE
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// Check for cubemapping devices
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if( 0 == ( pCaps->TextureCaps & D3DPTEXTURECAPS_CUBEMAP ) )
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return E_FAIL;
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// Check that we can create a cube texture that we can render into
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if( FAILED( m_pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal,
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pCaps->DeviceType, Format, D3DUSAGE_RENDERTARGET,
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D3DRTYPE_CUBETEXTURE, Format ) ) )
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{
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return E_FAIL;
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}
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: GenerateFishEyeLens()
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// Desc: Makes vertex and index data for a fish eye lens
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//-----------------------------------------------------------------------------
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HRESULT CMyD3DApplication::GenerateFishEyeLens( DWORD dwNumRings, DWORD dwNumSections,
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FLOAT fScale )
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{
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ENVMAPPEDVERTEX* pVertices;
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WORD* pIndices;
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DWORD dwNumTriangles = (dwNumRings+1) * dwNumSections * 2;
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DWORD dwNumVertices = (dwNumRings+1) * dwNumSections + 2;
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DWORD i, j, m;
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// Generate space for the required triangles and vertices.
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if( FAILED( m_pd3dDevice->CreateVertexBuffer( dwNumVertices*sizeof(ENVMAPPEDVERTEX),
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D3DUSAGE_WRITEONLY, D3DFVF_ENVMAPVERTEX,
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D3DPOOL_MANAGED, &m_pFishEyeLensVB ) ) )
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return E_FAIL;
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if( FAILED( m_pd3dDevice->CreateIndexBuffer( dwNumTriangles*3*sizeof(WORD),
|
|
D3DUSAGE_WRITEONLY, D3DFMT_INDEX16,
|
|
D3DPOOL_MANAGED, &m_pFishEyeLensIB ) ) )
|
|
return E_FAIL;
|
|
|
|
m_pFishEyeLensVB->Lock( 0, 0, (BYTE**)&pVertices, 0 );
|
|
m_pFishEyeLensIB->Lock( 0, 0, (BYTE**)&pIndices, 0 );
|
|
|
|
// Generate vertices at the end points.
|
|
pVertices->p = D3DXVECTOR3( 0.0f, 0.0f, fScale );
|
|
pVertices->n = D3DXVECTOR3( 0.0f, 0.0f, 1.0f );
|
|
pVertices++;
|
|
|
|
// Generate vertex points for rings
|
|
FLOAT r = 0.0f;
|
|
for( i = 0; i < (dwNumRings+1); i++ )
|
|
{
|
|
FLOAT phi = 0.0f;
|
|
|
|
for( j = 0; j < dwNumSections; j++ )
|
|
{
|
|
FLOAT x = r * sinf(phi);
|
|
FLOAT y = r * cosf(phi);
|
|
FLOAT z = 0.5f - 0.5f * ( x*x + y*y );
|
|
|
|
FLOAT nx = -x;
|
|
FLOAT ny = -y;
|
|
FLOAT nz = 1.0f;
|
|
|
|
pVertices->p = D3DXVECTOR3( x, y, z );
|
|
pVertices->n = D3DXVECTOR3( nx, ny, nz );
|
|
pVertices++;
|
|
|
|
phi += (FLOAT)(2*D3DX_PI / dwNumSections);
|
|
}
|
|
|
|
r += 1.5f/dwNumRings;
|
|
}
|
|
|
|
// Generate triangles for the centerpiece
|
|
for( i = 0; i < 2*dwNumSections; i++ )
|
|
{
|
|
*pIndices++ = (WORD)(0);
|
|
*pIndices++ = (WORD)(i + 1);
|
|
*pIndices++ = (WORD)(1 + ((i + 1) % dwNumSections));
|
|
}
|
|
|
|
// Generate triangles for the rings
|
|
m = 1; // 1st vertex begins at 1 to skip top point
|
|
|
|
for( i = 0; i < dwNumRings; i++ )
|
|
{
|
|
for( j = 0; j < dwNumSections; j++ )
|
|
{
|
|
*pIndices++ = (WORD)(m + j);
|
|
*pIndices++ = (WORD)(m + dwNumSections + j);
|
|
*pIndices++ = (WORD)(m + dwNumSections + ((j + 1) % dwNumSections));
|
|
|
|
*pIndices++ = (WORD)(m + j);
|
|
*pIndices++ = (WORD)(m + dwNumSections + ((j + 1) % dwNumSections));
|
|
*pIndices++ = (WORD)(m + ((j + 1) % dwNumSections));
|
|
}
|
|
m += dwNumSections;
|
|
}
|
|
|
|
m_pFishEyeLensVB->Unlock();
|
|
m_pFishEyeLensIB->Unlock();
|
|
m_dwNumFishEyeLensVertices = dwNumVertices;
|
|
m_dwNumFishEyeLensFaces = dwNumTriangles;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
|
|
|