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radiosity_cpp.v5
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radiosity_cpp.v5
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//--------------------------------------------------------------------------------------
// File: Radiosity.cpp
//
// Starting point for new Direct3D applications
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------
#include "dxstdafx.h"
#include "dxutmesh.h"
#include "resource.h"
//#define DEBUG_VS // Uncomment this line to debug vertex shaders
//#define DEBUG_PS // Uncomment this line to debug pixel shaders
#define IDC_MOVER_SOL 1
#define IDC_BORDES 2
#define IDC_FLECHITAS 3
#define SHADOWMAP_SIZE 256
#define MAP_SIZE 512
#define RAYTMAP_SIZE 64
#define HELPTEXTCOLOR D3DXCOLOR( 0.0f, 1.0f, 0.3f, 1.0f )
// helper
HRESULT OptimizarMesh( ID3DXMesh** ppInOutMesh );
int interseccion(D3DXVECTOR3 *pRayPos,D3DXVECTOR3 *pRayDir,double *dist,DWORD *f);
void rotar_xy(D3DXVECTOR3 *v,double an)
{
float x =v->x*cos(an)+v->y*sin(an);
float y =v->y*cos(an)-v->x*sin(an);
v->x = x;
v->y = y;
}
void rotar_xz(D3DXVECTOR3 *v,double an)
{
float x =v->x*cos(an)-v->z*sin(an);
float z =v->x*sin(an)+v->z*cos(an);
v->x = x;
v->z = z;
}
void rotar_zy(D3DXVECTOR3 *v,double an)
{
float y =v->y*cos(an)+v->z*sin(an);
float z =v->z*cos(an)-v->y*sin(an);
v->y = y;
v->z = z;
}
// Rotacion sobre un eje arbitrario
void rotar(D3DXVECTOR3 *vect,D3DXVECTOR3 *o,D3DXVECTOR3 *eje,float theta)
{
float a = o->x;
float b = o->y;
float c = o->z;
float u = eje->x;
float v = eje->y;
float w = eje->z;
float u2 = u*u;
float v2 = v*v;
float w2 = w*w;
float cosT = cos(theta);
float sinT = sin(theta);
float l2 = u2 + v2 + w2;
float l = sqrt(l2);
if(l2 < 0.000000001) // el vector de rotacion es casi nulo
return;
float x = vect->x;
float y = vect->y;
float z = vect->z;
float xr = a*(v2 + w2) + u*(-b*v - c*w + u*x + v*y + w*z)
+ (-a*(v2 + w2) + u*(b*v + c*w - v*y - w*z) + (v2 + w2)*x)*cosT
+ l*(-c*v + b*w - w*y + v*z)*sinT;
xr/=l2;
float yr = b*(u2 + w2) + v*(-a*u - c*w + u*x + v*y + w*z)
+ (-b*(u2 + w2) + v*(a*u + c*w - u*x - w*z) + (u2 + w2)*y)*cosT
+ l*(c*u - a*w + w*x - u*z)*sinT;
yr/=l2;
float zr = c*(u2 + v2) + w*(-a*u - b*v + u*x + v*y + w*z)
+ (-c*(u2 + v2) + w*(a*u + b*v - u*x - v*y) + (u2 + v2)*z)*cosT
+ l*(-b*u + a*v - v*x + u*y)*sinT;
zr/=l2;
vect->x = xr;
vect->y = yr;
vect->z = zr;
}
extern int que_objeto(int k);
// Ambiente de prueba:
// cornell box
D3DXVECTOR4 color_obj[]=
{
D3DXVECTOR4(1,0,0,1),
D3DXVECTOR4(0,1,0,1),
D3DXVECTOR4(1,1,1,1),
D3DXVECTOR4(1,1,1,1),
D3DXVECTOR4(1,1,1,1),
D3DXVECTOR4(1,1,1,1),
};
LPCWSTR g_CornellBoxMeshFile[] =
{
L"plano.x",
L"plano.x",
L"plano.x",
L"plano.x",
L"plano.x",
L"cube.x",
};
#define NUM_OBJ_CORNELLBOX (sizeof(g_CornellBoxMeshFile)/sizeof(g_CornellBoxMeshFile[0]))
D3DXMATRIXA16 g_CornellBoxInitObjWorld[NUM_OBJ_CORNELLBOX] =
{
// izq
D3DXMATRIXA16( 1, 0, 0, 0,
0, 2, 0, 0,
0, 0, 1, 0,
-5, -1, -5, 1 ),
// der
D3DXMATRIXA16( -1, 0, 0, 0,
0, 2, 0, 0,
0, 0, 1, 0,
10, -1, -5, 1 ),
// piso
D3DXMATRIXA16( 0, 2, 0, 0,
2, 0, 0, 0,
0, 0, 1, 0,
-3.5, -5.5, -5, 1 ),
// techo
D3DXMATRIXA16( 0, -2, 0, 0,
2, 0, 0, 0,
0, 0, 1, 0,
-3.5, 15.5, -5, 1 ),
// pared de atras
D3DXMATRIXA16( 0, 0, -1, 0,
0, 2, 0, 0,
0.6, 0, 0, 0,
1, -1, 8.7, 1 ),
// objetos
D3DXMATRIXA16( 2, 0, 0, 0,
0, 5, 0, 0,
0, 0, 2, 0,
2, 2, -2, 1 ),
};
// escena normal
LPCWSTR g_aszMeshFile[] =
{
L"room.x",
L"room.x",
L"pared2.x",
L"pared.x",
L"columna.x",
L"columna.x",
L"columna.x",
L"columna.x",
L"bigship1.x",
};
#define NUM_OBJ (sizeof(g_aszMeshFile)/sizeof(g_aszMeshFile[0]))
// matrices de transf. de model a world
D3DXMATRIXA16 g_amInitObjWorld[NUM_OBJ] =
{
// malla que funciona como piso (+ pared izquierda inferior)
D3DXMATRIXA16( 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1.5, 0,
-6, -2.5, -3, 1 ),
// techo + pared izquierda superior
D3DXMATRIXA16( 1, 0, 0, 0,
0, -1, 0, 0,
0, 0, 1.5, 0,
-6*1, 14-2.5*1, -3, 1 ),
// pared de la derecha
D3DXMATRIXA16( -1, 0, 0, 0,
0, 3, 0, 0,
0, 0, 1.5, 0,
11*1, -4*1, -3, 1 ),
// pared de atras
D3DXMATRIXA16( 0, 0, -1, 0,
0, 3, 0, 0,
1, 0, 0, 0,
0, -4, 16, 1 ),
// columna
D3DXMATRIXA16( 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
-7, 1.7, 0, 1 ),
D3DXMATRIXA16( 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
-7, 1.7, -3, 1 ),
D3DXMATRIXA16( 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
-7, 1.7, -6, 1 ),
D3DXMATRIXA16( 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
-7, 1.7, 3, 1 ),
D3DXMATRIXA16( 0.3, 0, 0, 0,
0, 0.3, 0, 0,
0, 0, 0.3, 0,
0, 5, 0, 1 ),
};
// scanner room
LPCWSTR g_ScannerMeshFile[] =
{
L"scannerroom.x",
};
#define NUM_OBJ_SCANNER (sizeof(g_ScannerMeshFile)/sizeof(g_ScannerMeshFile[0]))
// matrices de transf. de model a world
D3DXMATRIXA16 g_ScannerInitObjWorld[NUM_OBJ] =
{
D3DXMATRIXA16( 2.5, 0, 0, 0,
0, 2.5, 0, 0,
0, 0, 2.5, 0,
0, 0, 0, 1 ),
};
// necesito que el fomato para el mesh, tenga una coordenada de textura adicional
// que voy a utilizar para incrustar el id de cada vertice
D3DVERTEXELEMENT9 g_aVertDecl[] =
{
{ 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
{ 0, 12, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0 },
{ 0, 24, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
{ 0, 32, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 1 },
{ 0, 40, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 2 },
{ 0, 48, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 3 },
D3DDECL_END()
};
// Vertex format para mesh
struct VERTEX
{
D3DXVECTOR3 position;
D3DXVECTOR3 normal;
D3DXVECTOR2 texcoord;
D3DXVECTOR2 texcoord_id;
D3DXVECTOR2 texcoord_id2;
D3DXVECTOR2 texcoord_id3;
};
#define D3DFVF_VERTEX (D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX4)
// Vertex format en memoria para acceder rapidamente al rebote de la luz
struct MEM_VERTEX
{
D3DXVECTOR3 position;
D3DXVECTOR3 normal;
D3DXVECTOR3 color;
int nro_obj;
};
// Vertex format para calcular el maximo
struct CALC_MAX_VERTEX
{
FLOAT x,y,z;
float u,v;
};
#define D3DFVF_CALC_MAX_VERTEX (D3DFVF_XYZ|D3DFVF_TEX1)
// encapsula el mesh con su transformacion y lo relaciono con el primer vertice
struct CObj
{
CDXUTMesh m_Mesh;
D3DXMATRIXA16 m_mWorld;
int primer_vertice;
D3DXVECTOR3 N[200000]; // normales
};
// Esto estas currado del DXUtil, lo dejo tal como esta por el momento
//-----------------------------------------------------------------------------
// Name: class CViewCamera
// Desc: A camera class derived from CFirstPersonCamera. The arrow keys and
// numpad keys are disabled for this type of camera.
//-----------------------------------------------------------------------------
class CViewCamera : public CFirstPersonCamera
{
protected:
virtual D3DUtil_CameraKeys MapKey( UINT nKey )
{
// Provide custom mapping here.
// Same as default mapping but disable arrow keys.
switch( nKey )
{
case 'A': return CAM_STRAFE_LEFT;
case 'D': return CAM_STRAFE_RIGHT;
case 'W': return CAM_MOVE_FORWARD;
case 'S': return CAM_MOVE_BACKWARD;
case 'Q': return CAM_MOVE_DOWN;
case 'E': return CAM_MOVE_UP;
case VK_HOME: return CAM_RESET;
}
return CAM_UNKNOWN;
}
};
//-----------------------------------------------------------------------------
// Name: class CLightCamera
// Desc: A camera class derived from CFirstPersonCamera. The letter keys
// are disabled for this type of camera. This class is intended for use
// by the spot light.
//-----------------------------------------------------------------------------
class CLightCamera : public CFirstPersonCamera
{
public:
virtual void SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt )
{
if( NULL == pvEyePt || NULL == pvLookatPt )
return;
m_vDefaultEye = m_vEye = *pvEyePt;
m_vDefaultLookAt = m_vLookAt = *pvLookatPt;
// Calc the view matrix
D3DXVECTOR3 vUp(0,0,1);
D3DXMatrixLookAtLH( &m_mView, pvEyePt, pvLookatPt, &vUp );
D3DXMATRIX mInvView;
D3DXMatrixInverse( &mInvView, NULL, &m_mView );
// The axis basis vectors and camera position are stored inside the
// position matrix in the 4 rows of the camera's world matrix.
// To figure out the yaw/pitch of the camera, we just need the Z basis vector
D3DXVECTOR3* pZBasis = (D3DXVECTOR3*) &mInvView._31;
m_fCameraYawAngle = atan2f( pZBasis->x, pZBasis->z );
float fLen = sqrtf(pZBasis->z*pZBasis->z + pZBasis->x*pZBasis->x);
m_fCameraPitchAngle = -atan2f( pZBasis->y, fLen );
}
protected:
virtual D3DUtil_CameraKeys MapKey( UINT nKey )
{
// Provide custom mapping here.
// Same as default mapping but disable arrow keys.
switch( nKey )
{
case VK_LEFT: return CAM_STRAFE_LEFT;
case VK_RIGHT: return CAM_STRAFE_RIGHT;
case VK_UP: return CAM_MOVE_FORWARD;
case VK_DOWN: return CAM_MOVE_BACKWARD;
case VK_PRIOR: return CAM_MOVE_UP; // pgup
case VK_NEXT: return CAM_MOVE_DOWN; // pgdn
case VK_NUMPAD4: return CAM_STRAFE_LEFT;
case VK_NUMPAD6: return CAM_STRAFE_RIGHT;
case VK_NUMPAD8: return CAM_MOVE_FORWARD;
case VK_NUMPAD2: return CAM_MOVE_BACKWARD;
case VK_NUMPAD9: return CAM_MOVE_UP;
case VK_NUMPAD3: return CAM_MOVE_DOWN;
case VK_HOME: return CAM_RESET;
}
return CAM_UNKNOWN;
}
};
//--------------------------------------------------------------------------------------
// Variables Globales
//--------------------------------------------------------------------------------------
// esto esta currado del dXutil, para que dibuje info de pantalla: fps, etc. lo dejo tal como esta
ID3DXFont* g_pFont = NULL; // Font for drawing text
ID3DXFont* g_pFontSmall = NULL; // Font for drawing text
ID3DXSprite* g_pTextSprite = NULL; // Sprite for batching draw text calls
ID3DXEffect* g_pEffect = NULL; // D3DX effect interface
CDXUTDialogResourceManager g_DialogResourceManager; // manager for shared resources of dialogs
CD3DSettingsDlg g_SettingsDlg; // Device settings dialog
CDXUTDialog g_HUD; // dialog for standard controls
//--------------------------------------------------------------------------------------
CFirstPersonCamera g_VCamera; // camara pp dicha
CLightCamera g_LCamera; // esta la uso para poder ajustar la luz usando el DXutil
//--------------------------------------------------------------------------------------
// Esto tambien esta currado del DXUtil, para manejar el input del mouse etc
bool g_bRightMouseDown = false;// Indicates whether right mouse button is held
bool g_bCameraPerspective // Indicates whether we should render view from
= true; // the camera's or the light's perspective
//--------------------------------------------------------------------------------------
// escena pp dicha
CObj g_Obj[100];
int cant_obj = 0;
LPDIRECT3DVERTEXDECLARATION9 g_pVertDecl = NULL;
LPDIRECT3DTEXTURE9 g_pTexDef = NULL; // textura por defecto si falla la carga
CDXUTMesh g_LightMesh; // malla para mostrar un conito que representa la luz
//--------------------------------------------------------------------------------------
// Aca viene la posta:
//--------------------------------------------------------------------------------------
LPDIRECT3DTEXTURE9 g_pShadowMap = NULL; // Texture to which the shadow map is rendered
LPDIRECT3DSURFACE9 g_pDSShadow = NULL; // Depth-stencil buffer for rendering to shadow map
float g_fLightFov; // FOV de la luz
D3DXMATRIXA16 g_mShadowProj; // Projection matrix for shadow map
LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; // Buffer para vertices
LPDIRECT3DVERTEXBUFFER9 g_pVBCalcMax = NULL; // Buffer para vertices auxiliares para el maximo
LPDIRECT3DTEXTURE9 g_pRMap = NULL; // Radiosity Map Texture para almacenar la cantidad de luz acumulada x vertice
LPDIRECT3DTEXTURE9 g_pRMap2 = NULL;
LPDIRECT3DTEXTURE9 g_pRMap3 = NULL;
LPDIRECT3DTEXTURE9 g_pRayT = NULL; // prueba de intersecciones
LPDIRECT3DSURFACE9 g_pDSRayT = NULL; // Depth-stencil buffer
LPDIRECT3DTEXTURE9 g_pTempTexture = NULL; // textura temporaria para leer el rayt
LPDIRECT3DTEXTURE9 g_pRMapTemp = NULL; // textura temporaria para leer el rmap
LPDIRECT3DTEXTURE9 g_pTexAux = NULL; // texture auxiliar
int step = 0;
int cant_vertices = 0;
int nro_luz = 0;
int cant_luces = 2;
int primer_rebote = 2;
D3DXVECTOR3 g_LightPos; // posicion de la luz actual (la que estoy analizando)
D3DXVECTOR3 g_LightDir; // direccion de la luz actual
D3DXMATRIXA16 g_LightView; //
D3DXVECTOR3 LightPos[256],LightDir[256],LightColor[256];
MEM_VERTEX *g_pVertices = NULL; // global para almacenar todos los vertices
D3DXVECTOR3 vUp(0,1,0);
double g_fTime;
D3DXVECTOR3 ant_LightPos[256],ant_LightDir[256]; // para dibujar las flechas
int ant_cant_luces = 0;
int ant_primer_rebote = 2;
// opciones
bool g_bDibujarFlechas = false;
bool g_bDibujarBordes = false;
bool g_bSolcito = false; // mover el sol desde afuera de la habitacion
// cornell box
bool CornellBox = false;
// nave
D3DXVECTOR3 NavePos;
int escenario = 0;
//--------------------------------------------------------------------------------------
// Forward declarations
//--------------------------------------------------------------------------------------
void InitializeDialogs();
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext );
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext );
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
void RenderText();
LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, bool* pbNoFurtherProcessing, void* pUserContext );
void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext );
void CALLBACK MouseProc( bool bLeftButtonDown, bool bRightButtonDown, bool bMiddleButtonDown, bool bSideButton1Down, bool bSideButton2Down, int nMouseWheelDelta, int xPos, int yPos, void* pUserContext );
void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext );
void CALLBACK OnLostDevice( void* pUserContext );
void CALLBACK OnDestroyDevice( void* pUserContext );
void RenderScene( IDirect3DDevice9* pd3dDevice, bool bRenderShadow, float fElapsedTime, const D3DXMATRIX *pmView, const D3DXMATRIX *pmProj );
void ProcesarVertices( IDirect3DDevice9* pd3dDevice,const D3DXMATRIX *pmView, const D3DXMATRIX *pmProj);
void ProcesarPatch(IDirect3DDevice9* pd3dDevice,int L);
void GenerarMaximos(IDirect3DDevice9* pd3dDevice);
//--------------------------------------------------------------------------------------
// Entry point to the program. Initializes everything and goes into a message processing
// loop. Idle time is used to render the scene.
//--------------------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
{
// Enable run-time memory check for debug builds.
#if defined(DEBUG) | defined(_DEBUG)
_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
#endif
// Initialize the camera
g_VCamera.SetScalers( 0.01f, 2.5f );
g_LCamera.SetScalers( 0.01f, 1.0f );
g_VCamera.SetRotateButtons( true, false, false );
g_LCamera.SetRotateButtons( false, false, true );
// Set up the view parameters for the camera
D3DXVECTOR3 vFromPt = D3DXVECTOR3( 0.0f, 5.0f, -18.0f );
D3DXVECTOR3 vLookatPt = D3DXVECTOR3( 0.2643f, 4.868f, -17.044f );
g_VCamera.SetViewParams( &vFromPt, &vLookatPt );
vFromPt = D3DXVECTOR3( 3.0f, 7.0f, -5.0f );
vLookatPt = D3DXVECTOR3( 3.0f, 6.0f, -5.0f );
g_LCamera.SetViewParams( &vFromPt, &vLookatPt );
LightPos[0] = vFromPt;
LightDir[0] = vLookatPt -vFromPt;
D3DXVec3Normalize(&LightDir[0],&LightDir[0]);
// Initialize the spot light
g_fLightFov = D3DX_PI / 2.0f;
// Set the callback functions. These functions allow DXUT to notify
// the application about device changes, user input, and windows messages. The
// callbacks are optional so you need only set callbacks for events you're interested
// in. However, if you don't handle the device reset/lost callbacks then the sample
// framework won't be able to reset your device since the application must first
// release all device resources before resetting. Likewise, if you don't handle the
// device created/destroyed callbacks then DXUT won't be able to
// recreate your device resources.
DXUTSetCallbackDeviceCreated( OnCreateDevice );
DXUTSetCallbackDeviceReset( OnResetDevice );
DXUTSetCallbackDeviceLost( OnLostDevice );
DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
DXUTSetCallbackMsgProc( MsgProc );
DXUTSetCallbackKeyboard( KeyboardProc );
DXUTSetCallbackMouse( MouseProc );
DXUTSetCallbackFrameRender( OnFrameRender );
DXUTSetCallbackFrameMove( OnFrameMove );
InitializeDialogs();
// Show the cursor and clip it when in full screen
DXUTSetCursorSettings( true, true );
// Initialize DXUT and create the desired Win32 window and Direct3D
// device for the application. Calling each of these functions is optional, but they
// allow you to set several options which control the behavior of the framework.
DXUTInit( true, true, true ); // Parse the command line, handle the default hotkeys, and show msgboxes
DXUTCreateWindow( L"Radiosity" );
DXUTCreateDevice( D3DADAPTER_DEFAULT, true, 1000, 700, IsDeviceAcceptable, ModifyDeviceSettings );
// Pass control to DXUT for handling the message pump and
// dispatching render calls. DXUT will call your FrameMove
// and FrameRender callback when there is idle time between handling window messages.
DXUTMainLoop();
// Perform any application-level cleanup here. Direct3D device resources are released within the
// appropriate callback functions and therefore don't require any cleanup code here.
return DXUTGetExitCode();
}
//--------------------------------------------------------------------------------------
// Sets up the dialogs
//--------------------------------------------------------------------------------------
void InitializeDialogs()
{
g_SettingsDlg.Init( &g_DialogResourceManager );
g_HUD.Init( &g_DialogResourceManager );
g_HUD.SetCallback( OnGUIEvent );
g_HUD.AddCheckBox( IDC_MOVER_SOL, L"Mover Sol", 0, 0, 160, 22, false);
g_HUD.AddCheckBox( IDC_BORDES, L"Bordes", 0, 30, 160, 22, false);
g_HUD.AddCheckBox( IDC_FLECHITAS, L"Flechas", 0, 60, 160, 22, false);
}
//--------------------------------------------------------------------------------------
// Called during device initialization, this code checks the device for some
// minimum set of capabilities, and rejects those that don't pass by returning false.
//--------------------------------------------------------------------------------------
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat,
D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext )
{
// Skip backbuffer formats that don't support alpha blending
IDirect3D9* pD3D = DXUTGetD3DObject();
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,
D3DRTYPE_TEXTURE, BackBufferFormat ) ) )
return false;
// necesitamos shader 3.0
if( pCaps->PixelShaderVersion < D3DPS_VERSION( 3, 0 ) )
return false;
// necesitamos D3DFMT_R32F para render target (para el shadow map y el Radiosity map)
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
AdapterFormat, D3DUSAGE_RENDERTARGET,
D3DRTYPE_CUBETEXTURE, D3DFMT_R32F ) ) )
return false;
// necesitamos D3DFMT_A32B32G32R32F para 3 canales de colores en el Radiosity map)
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
AdapterFormat, D3DUSAGE_RENDERTARGET,
D3DRTYPE_CUBETEXTURE, D3DFMT_A32B32G32R32F) ) )
return false;
// tambien D3DFMT_A8R8G8B8 para render target
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
AdapterFormat, D3DUSAGE_RENDERTARGET,
D3DRTYPE_CUBETEXTURE, D3DFMT_A8R8G8B8 ) ) )
return false;
return true;
}
//--------------------------------------------------------------------------------------
// This callback function is called immediately before a device is created to allow the
// application to modify the device settings. The supplied pDeviceSettings parameter
// contains the settings that the framework has selected for the new device, and the
// application can make any desired changes directly to this structure. Note however that
// DXUT will not correct invalid device settings so care must be taken
// to return valid device settings, otherwise IDirect3D9::CreateDevice() will fail.
//--------------------------------------------------------------------------------------
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext )
{
// Turn vsync off
pDeviceSettings->pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
g_SettingsDlg.GetDialogControl()->GetComboBox( DXUTSETTINGSDLG_PRESENT_INTERVAL )->SetEnabled( false );
// If device doesn't support HW T&L or doesn't support 1.1 vertex shaders in HW
// then switch to SWVP.
if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0 ||
pCaps->VertexShaderVersion < D3DVS_VERSION(1,1) )
{
pDeviceSettings->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
// Debugging vertex shaders requires either REF or software vertex processing
// and debugging pixel shaders requires REF.
#ifdef DEBUG_VS
if( pDeviceSettings->DeviceType != D3DDEVTYPE_REF )
{
pDeviceSettings->BehaviorFlags &= ~D3DCREATE_HARDWARE_VERTEXPROCESSING;
pDeviceSettings->BehaviorFlags &= ~D3DCREATE_PUREDEVICE;
pDeviceSettings->BehaviorFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
#endif
#ifdef DEBUG_PS
pDeviceSettings->DeviceType = D3DDEVTYPE_REF;
#endif
// For the first device created if its a REF device, optionally display a warning dialog box
static bool s_bFirstTime = true;
if( s_bFirstTime )
{
s_bFirstTime = false;
if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
DXUTDisplaySwitchingToREFWarning();
}
return true;
}
//--------------------------------------------------------------------------------------
// This callback function will be called immediately after the Direct3D device has been
// created, which will happen during application initialization and windowed/full screen
// toggles. This is the best location to create D3DPOOL_MANAGED resources since these
// resources need to be reloaded whenever the device is destroyed. Resources created
// here should be released in the OnDestroyDevice callback.
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
HRESULT hr;
V_RETURN( g_DialogResourceManager.OnCreateDevice( pd3dDevice ) );
V_RETURN( g_SettingsDlg.OnCreateDevice( pd3dDevice ) );
// Initialize the font
V_RETURN( D3DXCreateFont( pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
L"Arial", &g_pFont ) );
V_RETURN( D3DXCreateFont( pd3dDevice, 12, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
L"Arial", &g_pFontSmall ) );
// Define DEBUG_VS and/or DEBUG_PS to debug vertex and/or pixel shaders with the
// shader debugger. Debugging vertex shaders requires either REF or software vertex
// processing, and debugging pixel shaders requires REF. The
// D3DXSHADER_FORCE_*_SOFTWARE_NOOPT flag improves the debug experience in the
// shader debugger. It enables source level debugging, prevents instruction
// reordering, prevents dead code elimination, and forces the compiler to compile
// against the next higher available software target, which ensures that the
// unoptimized shaders do not exceed the shader model limitations. Setting these
// flags will cause slower rendering since the shaders will be unoptimized and
// forced into software. See the DirectX documentation for more information about
// using the shader debugger.
DWORD dwShaderFlags = D3DXFX_NOT_CLONEABLE;
#ifdef DEBUG_VS
dwShaderFlags |= D3DXSHADER_FORCE_VS_SOFTWARE_NOOPT;
#endif
#ifdef DEBUG_PS
dwShaderFlags |= D3DXSHADER_FORCE_PS_SOFTWARE_NOOPT;
#endif
// Cargo y compilo el efecto
WCHAR str[MAX_PATH];
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, L"Radiosity.fx" ) );
ID3DXBuffer *pBuffer = NULL;
if( FAILED(D3DXCreateEffectFromFile( pd3dDevice, str, NULL, NULL, dwShaderFlags,
NULL, &g_pEffect, &pBuffer ) ))
{
// si da error, aca lo puedo analizar:
char *saux = (char *)pBuffer->GetBufferPointer();
return hr;
}
// Creo el vertex declaration
V_RETURN( pd3dDevice->CreateVertexDeclaration( g_aVertDecl, &g_pVertDecl ) );
// Inicializo los mesh
int i;
switch(escenario)
{
default:
// escenario x defecto:
cant_obj = NUM_OBJ;
for(i = 0; i < NUM_OBJ; ++i )
{
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, g_aszMeshFile[i] ) );
if( FAILED( g_Obj[i].m_Mesh.Create( pd3dDevice, str ) ) )
return DXUTERR_MEDIANOTFOUND;
V_RETURN( g_Obj[i].m_Mesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
g_Obj[i].m_mWorld = g_amInitObjWorld[i];
}
break;
case 1:
// CornellBox
cant_obj = NUM_OBJ_CORNELLBOX;
for(i = 0; i < NUM_OBJ_CORNELLBOX; ++i )
{
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, g_CornellBoxMeshFile[i] ) );
if( FAILED( g_Obj[i].m_Mesh.Create( pd3dDevice, str ) ) )
return DXUTERR_MEDIANOTFOUND;
V_RETURN( g_Obj[i].m_Mesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
g_Obj[i].m_mWorld = g_CornellBoxInitObjWorld[i];
}
CornellBox = true;
break;
case 2:
// scanner room
cant_obj = NUM_OBJ_SCANNER;
for(i = 0; i < NUM_OBJ_SCANNER; ++i )
{
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, g_ScannerMeshFile[i] ) );
if( FAILED( g_Obj[i].m_Mesh.Create( pd3dDevice, str ) ) )
return DXUTERR_MEDIANOTFOUND;
V_RETURN( g_Obj[i].m_Mesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
g_Obj[i].m_mWorld = g_ScannerInitObjWorld[i];
}
break;
}
//--------------------------------------------------------------------------------------
// Voy a crear un buffer de vertices, que contiene TODOS los vertices de cada una de las mallas.
// Si existia de antes lo borro
if(g_pVB)
g_pVB->Release();
g_pVB = NULL;
// primero cuento cuantos vertices hay, asi puedo allocar suficiente memoria
cant_vertices = 0; // Cantidad total de vertices
int cant_f = 0;
for(int i = 0; i < cant_obj; ++i )
{
LPD3DXMESH pMesh = g_Obj[i].m_Mesh.GetMesh();
cant_vertices += pMesh->GetNumVertices();
cant_f += pMesh->GetNumFaces();
}
// Alloco memoria y creo un buffer para todos los vertices
VERTEX * pVertices;
size_t size = sizeof(VERTEX)*cant_vertices;
if( FAILED( pd3dDevice->CreateVertexBuffer( size,
0 , D3DFVF_VERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL ) ) )
return E_FAIL;
if( FAILED( g_pVB->Lock( 0, size, (void**)&pVertices, 0 ) ) )
return E_FAIL;
// creo el array de vertices en memoria (para no tener que lockear)
g_pVertices = new MEM_VERTEX[cant_vertices];
// lleno los vertices con un ID unico
// El id lo formo con un par de coordenadas i,j que permiten relacionar
// una textura con los vertices
// tex2d(i,j) --> representa el vertice i,j
int id_i = 0;
int id_j = 0;
int k = 0; // nro de vertice
for(int i = 0; i < cant_obj; ++i )
{
LPD3DXMESH pMesh = g_Obj[i].m_Mesh.GetMesh();
g_Obj[i].primer_vertice = k;
int cant_v = pMesh->GetNumVertices();
size_t bpv = pMesh->GetNumBytesPerVertex();
BYTE *pVerticesMesh=NULL;
pMesh->LockVertexBuffer(0, (LPVOID*)&pVerticesMesh);
// Recorro los vertices y los copio al buffer global (que agrupa TODAS los mesh)
for(int j=0;j<cant_v;j++)
{
VERTEX *V = (VERTEX *)(pVerticesMesh+ bpv*j);
// Creo el indice
V->texcoord_id.x = id_i; // el valor u lo uso para almacenar el id_i
V->texcoord_id.y = id_j;
if(++id_i>=MAP_SIZE)
{
id_i = 0;
id_j++;
}
// Almaceno el Vertice en el global
pVertices[k] = *V;
// almaceno el vertice en memoria
g_pVertices[k].color.x = g_pVertices[k].color.y = g_pVertices[k].color.z = 1;
g_pVertices[k].normal = V->normal;
g_pVertices[k].position = V->position;
g_pVertices[k].nro_obj = i;
// ojo, necesito que los vertices esten en coordenadas del mundo (xyz real)
D3DXVec3TransformCoord(&g_pVertices[k].position,&g_pVertices[k].position,&g_Obj[i].m_mWorld);
/*D3DXMATRIX aux,aux2;
aux = g_Obj[i].m_mWorld;
aux._41 = aux._42 = aux._43 = 0;
aux._44 = 1;
D3DXMatrixTranspose(&aux2,D3DXMatrixInverse( &aux, NULL, &aux));
D3DXVec3TransformNormal(&g_pVertices[k].normal,&g_pVertices[k].normal,&aux2);
*/
D3DXVec3TransformNormal(&g_pVertices[k].normal,&g_pVertices[k].normal,&g_Obj[i].m_mWorld);
D3DXVec3Normalize(&g_pVertices[k].normal,&g_pVertices[k].normal);
// un vertice mas
++k;
}
{
// alloco memoria para los indices (para almacenar las normales)
WORD* pIndices=NULL;
pMesh->LockIndexBuffer(D3DLOCK_READONLY, (LPVOID*)&pIndices);
int cant_f = pMesh->GetNumFaces();
for(int f=0;f<cant_f;++f)
{
// tomo como normal el primer vertice
VERTEX *V = (VERTEX *)(pVerticesMesh+ bpv*pIndices[3*f]);
g_Obj[i].N[f] = V->normal;
// ojo, necesito que los normal esten en coordenadas del mundo (xyz real)
//D3DXMATRIX aux,aux2;
//D3DXMatrixTranspose(&aux2,D3DXMatrixInverse( &aux, NULL, &g_Obj[i].m_mWorld));
//D3DXVec3TransformNormal(&g_Obj[i].N[f],&g_Obj[i].N[f],&aux2);
D3DXVec3TransformNormal(&g_Obj[i].N[f],&g_Obj[i].N[f],&g_Obj[i].m_mWorld);
D3DXVec3Normalize(&g_Obj[i].N[f],&g_Obj[i].N[f]);
// de paso asocio los 3 vertices
VERTEX *V2 = (VERTEX *)(pVerticesMesh+ bpv*pIndices[3*f+1]);
VERTEX *V3 = (VERTEX *)(pVerticesMesh+ bpv*pIndices[3*f+2]);
V->texcoord_id2 = V2->texcoord_id;
V->texcoord_id3 = V3->texcoord_id;
V2->texcoord_id2 = V->texcoord_id;
V2->texcoord_id3 = V3->texcoord_id;
V3->texcoord_id2 = V->texcoord_id;
V3->texcoord_id3 = V2->texcoord_id;
}
pMesh->UnlockIndexBuffer();
}
pMesh->UnlockVertexBuffer();
}
g_pVB->Unlock();
// vertices auxiliares para calcular el maximo
{
if(g_pVBCalcMax)
g_pVBCalcMax->Release();
g_pVBCalcMax = NULL;
CALC_MAX_VERTEX vertices[] =
{
{ -1, 1, 1, 0,0, },
{ 1, 1, 1, 1,0, },
{ -1, -1, 1, 0,1, },
{ 1,-1, 1, 1,1, },
};
if( FAILED( pd3dDevice->CreateVertexBuffer( sizeof(vertices),
0, D3DFVF_CALC_MAX_VERTEX,
D3DPOOL_DEFAULT, &g_pVBCalcMax, NULL ) ) )
{
return E_FAIL;
}
VOID* pVertices;
if( FAILED( g_pVBCalcMax->Lock( 0, sizeof(vertices), (void**)&pVertices, 0 ) ) )
return E_FAIL;
memcpy( pVertices, vertices, sizeof(vertices) );
g_pVBCalcMax->Unlock();
}
// Creo e inicializo la malla flechita que representa la direccion de luz
// (solo cosmetica, para ver donde esta la luz.
// Guarda!: que luz es un patch como cualquier otro, la unica diferencia
// es que es el patch inicial. NO ES UN SPOT LIGHT, . y ojo que
// si bien tiene una direccion, (que en gral es la normal al patch), en teoria el angulo
// solido es todo el hemisferio (fov = 180grados)
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, L"UI\\arrow.x" ) );
if( FAILED( g_LightMesh.Create( pd3dDevice, str ) ) )
return DXUTERR_MEDIANOTFOUND;
V_RETURN( g_LightMesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
return S_OK;
}
//--------------------------------------------------------------------------------------
// This callback function will be called immediately after the Direct3D device has been
// reset, which will happen after a lost device scenario. This is the best location to
// create D3DPOOL_DEFAULT resources since these resources need to be reloaded whenever
// the device is lost. Resources created here should be released in the OnLostDevice
// callback.
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
HRESULT hr;
//--------------------------------------------------------------------------------------
// esto es todo currado del dxutil, para la cosmetica de la pantalla
V_RETURN( g_DialogResourceManager.OnResetDevice() );
V_RETURN( g_SettingsDlg.OnResetDevice() );
if( g_pFont )
V_RETURN( g_pFont->OnResetDevice() );
if( g_pFontSmall )
V_RETURN( g_pFontSmall->OnResetDevice() );
if( g_pEffect )
V_RETURN( g_pEffect->OnResetDevice() );
// Create a sprite to help batch calls when drawing many lines of text
V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );
g_HUD.SetLocation( pBackBufferSurfaceDesc->Width-170, 0 );
g_HUD.SetSize( 170, pBackBufferSurfaceDesc->Height );
//--------------------------------------------------------------------------------------
// incializo las camaras
float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
g_VCamera.SetProjParams( D3DX_PI/4, fAspectRatio, 0.1f, 100.0f );
g_LCamera.SetProjParams( D3DX_PI, fAspectRatio, 0.1f, 100.0f );
// creo una textura por defecto, color gris, para que se use cuando falla alguna carga de textura
// la textura tiene 1 x 1, con lo cual ocupa un solo 32bits
V_RETURN( pd3dDevice->CreateTexture( 1, 1, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &g_pTexDef, NULL ) );
// asi que no hay duda, accedo directo a los 32 bits
// (si fuese de n x m, tengo que estudiar el tema del pitch) que no lo tengo del todo desculado
D3DLOCKED_RECT lr;
V_RETURN( g_pTexDef->LockRect( 0, &lr, NULL, 0 ) );
*(LPDWORD)lr.pBits = D3DCOLOR_RGBA( 128, 128, 128, 255 );
V_RETURN( g_pTexDef->UnlockRect( 0 ) );