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PreviewState.cpp
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#include "PreviewState.h"
#include "GameEngine.h"
#include "3DSModel.h"
#include "RenderFinalState.h"
#include "MyGlobal.h"
#include "MyUtils.h"
CPreviewState::CPreviewState(void) : CGameState("preview")
{
m_lastDown[0] = false;
m_lastDown[1] = false;
m_anglex = 0;
m_anglez = 0;
m_effectNormalmap = NULL;
m_effectPosmap = NULL;
m_effectPhong = NULL;
m_sampleNormals = NULL;
m_samplePoints = NULL;
m_pointsBuf = NULL;
m_model = NULL;
m_dfMesh = NULL;
m_counter = 0;
m_lightPhi = 0;
m_lightTheta = 0;
m_radius = m_worldBound.diagonalLength() * 4;
m_center = m_worldBound.center();
m_bShowPoint = false;
LoadModel();
CreateSamples(g_RenderOption.sampleCount);
// UpdateLight();
m_targetShadow.CreateTexture(GetDevice(), g_RenderOption.shadowMapWidth,
g_RenderOption.shadowMapHeight, g_PosmapFormat);
m_targetShadow2.CreateTexture(GetDevice(), g_RenderOption.shadowMapWidth,
g_RenderOption.shadowMapHeight, g_PosmapFormat);
m_targetShadowMipmaps.CreateTexture(GetDevice(), g_RenderOption.shadowMapWidth,
g_RenderOption.shadowMapHeight, g_PosmapFormat, 0);
m_shadowMap.CreateTexture(GetDevice(), g_RenderOption.shadowMapWidth,
g_RenderOption.shadowMapHeight, g_PosmapFormat);
InitGUI();
}
CPreviewState::~CPreviewState(void)
{
delete m_model;
delete m_dfMesh;
SAFE_RELEASE(m_effectNormalmap);
SAFE_RELEASE(m_effectPosmap);
SAFE_RELEASE(m_effectPhong);
SAFE_RELEASE(m_effectShadowmap);
delete[] m_samplePoints;
delete[] m_sampleNormals;
delete[] m_pointsBuf;
delete m_dlgMain;
delete m_dlgParams;
delete m_dlgRender;
}
void CPreviewState::Start(CGameState * prior)
{
CGameState::Start(prior);
GetCamera()->SetEye(m_center.x, m_radius + m_center.y, m_center.z);
GetCamera()->SetLookat(m_center.x, m_radius + m_center.y, m_center.z);
GetCamera()->SetUp(0, 0, 1);
m_effectNormalmap = CreateEffectFromFile("normalmap.fx");
m_effectPosmap = CreateEffectFromFile("posmap.fx");
m_effectPhong = CreateEffectFromFile("phong.fx");
m_effectShadowmap = CreateEffectFromFile("shadowmap.fx");
}
void CPreviewState::Draw2D(CGame2D * g2d)
{
CGameState::Draw2D(g2d);
SetEffect(fxCopy);
if (g_RenderOption.bShowShadowMap)
{
float ox = 0;
for (int i = 1; i < MIPMAP_COUNT + 1; i++)
{
g2d->DrawTexture(m_targetShadowMipmaps.GetTexture(), ox, 0,
(float)GetScreenWidth() / (1 << i), (float)GetScreenHeight() / (1 << i));
ox += (float)GetScreenWidth() / (1 << i);
}
}
SetEffect(fxBlend);
if (g_RenderOption.bShowUI)
{
m_dlgMain->Draw(g2d);
if (m_curDialog)
m_curDialog->Draw(g2d);
}
//char txt[100];
//wsprintf(txt, "SM: %d, UP: %d, 3D: %d", times[0], times[1], times[2]);
//g2d->DrawString(LoadFont("Arial", 14), txt, 100, 100, 0xFFFFFFFF);
}
void CPreviewState::PreRender()
{
CGameState::PreRender();
}
void CPreviewState::Draw3D()
{
CGameState::Draw3D();
DWORD t = GetTickCount();
GetDevice()->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_RGBA(0, 1, 1, 1), 1.0f, 0);
//Get2D()->DrawRect(NULL, 0xFF224488);
GetCamera()->SetEye(m_center.x,
m_radius + m_center.y,
m_center.z);
m_eyePos = Point3(m_center.x,
m_radius + m_center.y,
m_center.z);
GetCamera()->SetLookat(m_center.x, m_center.y, m_center.z);
GetCamera()->SetUp(0, 0, 1);
GetCamera()->UpdateMatrix();
GetDevice()->SetTransform(D3DTS_WORLD, &m_worldMat);
D3DXMATRIXA16 mWorld;
D3DXMATRIXA16 mView;
D3DXMATRIXA16 mProj;
GetDevice()->GetTransform(D3DTS_WORLD, &mWorld);
GetDevice()->GetTransform(D3DTS_VIEW, &mView);
GetDevice()->GetTransform(D3DTS_PROJECTION, &mProj);
D3DXMATRIXA16 mWVP = mWorld * mView * mProj;
D3DXMATRIXA16 mWV = mWorld * mView;
//mWVP = m_shadowMapMat;
//m_worldMat = mWorld;
//BoundBox worldBound = m_meshes[0]->GetBoundBox();
if (g_RenderOption.bShowBoundBox)
{
for (size_t i = 0; i < m_meshes.size(); i++)
{
//m_model->GetMesh(i)->ComputeBoundBox(&mWorld);
//worldBound = BoundBox::unionBoxes(worldBound, m_meshes[i]->GetBoundBox());
DrawBoundBox(m_meshes[i]->GetBoundBox(), 0xFFFFFFFF);
}
}
if (m_bShowPoint)
{
ComputeSampleIrradiance();
DrawPoints();
}
else
{
float fOffsetX = 0.5f + (0.5f / g_RenderOption.shadowMapWidth);
float fOffsetY = 0.5f + (0.5f / g_RenderOption.shadowMapHeight);
D3DXMATRIX texScaleBiasMat(0.5f, 0.0f, 0.0f, 0.0f,
0.0f, -0.5f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
fOffsetX, fOffsetY, 0.0f, 1.0f );
D3DXMATRIX mShadow = m_shadowMapMat * texScaleBiasMat;
D3DXMATRIX mShadowNoWorld = m_shadowMapMatNoWorld * texScaleBiasMat;
static float zeroDiff[3] = {0.0f, 0.0f, 0.0f};
Bssrdf bssrdf = AdjustBssrdf();
m_effectPhong->SetMatrix("g_mProjectToLight", &mShadow);
m_effectPhong->SetMatrix("g_mProjectToLightNoWorld", &mShadowNoWorld);
m_effectPhong->SetMatrix("g_mWorldViewProjection", &mWVP);
m_effectPhong->SetMatrix("g_mWorld", &mWorld);
m_effectPhong->SetFloatArray("g_LightDir", &m_lightDir.x, 3);
m_effectPhong->SetFloatArray("g_eyePos", &m_eyePos.x, 3);
m_effectPhong->SetFloat("g_LightPower", g_RenderOption.lightPower);
m_effectPhong->SetFloat("g_cSpecular", g_Bssrdf.specluar);
m_effectPhong->SetFloat("g_Scale", log(g_RenderOption.scale) + 5.1f);
m_effectPhong->SetFloatArray("g_cDiffuse", &g_Bssrdf.diffuse.r, 3);
m_effectPhong->SetTexture("g_ShadowMap", m_targetShadow.GetTexture());
m_effectPhong->SetTexture("g_ShadowMapMipmaps", m_targetShadowMipmaps.GetTexture());
m_effectPhong->SetFloatArray("g_LightBound", &m_lightBound.x, 3);
m_effectPhong->SetFloatArray("g_SigmaT", &bssrdf.sigt.r, 3);
m_effectPhong->SetFloatArray("g_SigmaS", &bssrdf.scatter.r, 3);
m_effectPhong->SetFloatArray("g_SigmaTR", &bssrdf.sigtr.r, 3);
m_effectPhong->SetFloat("g_Zr", bssrdf.zr);
m_effectPhong->SetFloat("g_Zv", bssrdf.zv);
m_effectPhong->SetFloat("g_Eta", bssrdf.eta);
m_effectPhong->SetFloat("g_Phase", bssrdf.g);
m_effectPhong->SetFloat("g_Fdr", bssrdf.fdr);
switch (m_listTechnique->GetIndex())
{
case 0:
m_effectPhong->SetTechnique("PreviewPhong");
break;
case 1:
m_effectPhong->SetTechnique("PreviewSingleScattering");
break;
case 2:
m_effectPhong->SetTechnique("PreviewMultiScattering");
break;
case 3:
m_effectPhong->SetTechnique("PreviewFullScattering");
break;
default:
m_effectPhong->SetTechnique("SpecularPhong");
break;
}
//GetDevice()->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME);
DX_BEGIN_EFFECT(m_effectPhong);
for (size_t i = 0; i < m_meshes.size(); i++)
m_meshes[i]->Render();
DX_END_EFFECT(m_effectPhong);
}
times[2] = GetTickCount() - t;
}
void CPreviewState::Animate( float elapsedTime )
{
CGameState::Animate(elapsedTime);
}
void CPreviewState::Update( float elapsedTime )
{
times[1] = 0;
CGameState::Update(elapsedTime);
g_StateInfo.isPreview = true;
if (GetFocus() != GetWindow())
{
m_lastDown[0] = m_lastDown[1] = false;
return;
}
CMouseManager* mouse = GetMouse();
bool down[2] = {mouse->IsPressed(0), mouse->IsPressed(1)};
int x = mouse->GetX();
int y = mouse->GetY();
int dx = x - m_lastx;
int dy = y - m_lasty;
bool needUpdate = false;
if (m_lastDown[0])
{
m_anglex -= dy * 0.01f; // * elapsedTime;
m_anglez -= dx * 0.01f;// * elapsedTime;
needUpdate = true;
}
if (GetMouse()->GetWheel() != 0)
{
m_radius *= max(0.01f, 1 - GetMouse()->GetWheel() * 0.0003f);
ResetProjectionMat();
}
if (m_lastDown[1])
{
m_lightTheta -= dy * 0.01f; // * elapsedTime;
m_lightPhi -= dx * 0.01f;// * elapsedTime;
needUpdate = true;
}
if (needUpdate || m_counter == 0.0f)
{
D3DXMATRIX mat1, mat2;
D3DXMatrixTranslation(&mat1, -m_center.x, -m_center.y, -m_center.z);
D3DXMatrixRotationX(&mat2, m_anglex);
mat1 *= mat2;
D3DXMatrixRotationZ(&mat2, m_anglez);
mat1 *= mat2;
D3DXMatrixTranslation(&mat2, m_center.x, m_center.y, m_center.z);
m_worldMat = mat1 * mat2;
UpdateLight();
}
m_lastDown[0] = down[0];
m_lastDown[1] = down[1];
m_lastx = x;
m_lasty = y;
if (g_RenderOption.bShowUI)
{
m_dlgMain->Update(elapsedTime);
if(m_curDialog)
m_curDialog->Update(elapsedTime);
}
if (m_curDialog != NULL
&& m_curDialog->IsInBound((float)GetMouse()->GetX(), (float)GetMouse()->GetY())
&& m_curDialog->GetFocusControl() != NULL)
{
m_lastDown[0] = m_lastDown[1] = false;
}
if (m_btLoadModel->IsClicked())
{
ShowOpenModelDialog();
}
if (m_btRender->IsClicked())
{
m_curDialog = m_dlgRender;
m_curDialog->Reset();
}
if (m_btParams->IsClicked())
{
UpdateGUI();
m_curDialog = m_dlgParams;
m_curDialog->Reset();
}
if (m_btBuiltin->IsClicked())
{
m_curDialog = m_dlgBuiltin;
m_curDialog->Reset();
m_listMaterials->SetIndex(-1);
}
if (m_curDialog == m_dlgParams)
{
if (m_btCloseParams->IsClicked())
{
m_curDialog = NULL;
}
g_RenderOption.scale = exp(m_slScale->GetValue());
g_Bssrdf.absorb.r = m_slSigmaA[0]->GetValue();
g_Bssrdf.absorb.g = m_slSigmaA[1]->GetValue();
g_Bssrdf.absorb.b = m_slSigmaA[2]->GetValue();
g_Bssrdf.scatter.r = m_slSigmaS[0]->GetValue();
g_Bssrdf.scatter.g = m_slSigmaS[1]->GetValue();
g_Bssrdf.scatter.b = m_slSigmaS[2]->GetValue();
g_Bssrdf.diffuse.r = m_slDiffuse[0]->GetValue();
g_Bssrdf.diffuse.g = m_slDiffuse[1]->GetValue();
g_Bssrdf.diffuse.b = m_slDiffuse[2]->GetValue();
g_Bssrdf.eta = m_slEta->GetValue();
}
if (m_curDialog == m_dlgRender)
{
if (m_btCloseRender->IsClicked())
{
m_curDialog = NULL;
}
if (m_btCPURender->IsClicked())
{
ComputeSampleIrradiance();
GetStateStack()->Push(new CRenderFinalState(m_effectNormalmap,
m_effectPosmap, m_effectPhong,
GetScreenWidth(), GetScreenHeight(), m_pointsBuf, m_sampled, m_meshes));
g_StateInfo.isPreview = false;
}
g_RenderOption.lightPower = exp(m_slLightPower->GetValue());
g_RenderOption.maxErr = m_slMaxErr->GetValue();
}
if (m_curDialog == m_dlgBuiltin)
{
if (m_btCloseBuiltin->IsClicked())
{
m_curDialog = NULL;
}
int index = m_listMaterials->GetIndex();
if (index >= 0)
g_Bssrdf = g_BuiltinBssrdfs[index];
}
if (GetKeyboard()->IsJustPressed('1'))
m_bShowPoint = ! m_bShowPoint;
if (GetKeyboard()->IsJustPressed('2'))
{
g_RenderOption.bShowShadowMap = !g_RenderOption.bShowShadowMap;
}
if (GetKeyboard()->IsJustPressed('3'))
{
g_RenderOption.bShowBoundBox = !g_RenderOption.bShowBoundBox;
}
if (GetKeyboard()->IsJustPressed('4'))
{
g_RenderOption.bShowUI = !g_RenderOption.bShowUI;
}
if (GetKeyboard()->IsPressed('C'))
{
g_RenderOption.scale -= 0.8f * g_RenderOption.scale * elapsedTime;
}
if (GetKeyboard()->IsPressed('V'))
{
g_RenderOption.scale += 0.8f * g_RenderOption.scale * elapsedTime;
}
if (GetKeyboard()->IsJustPressed('S'))
{
ShowSaveImageDialog();
}
if (GetKeyboard()->IsJustPressed('G'))
{
const char* filename = getFileName(g_StateInfo.modelFile);
char path[200] = "D:\\MyWorks\\VC\\3d\\Translucent\\bin\\meshes\\";
strcat(path, filename);
CopyFile(g_StateInfo.modelFile, path, TRUE);
}
m_counter += elapsedTime;
}
void CPreviewState::DeviceLost()
{
CGameState::DeviceLost();
m_effectNormalmap->OnLostDevice();
m_effectPosmap->OnLostDevice();
m_effectPhong->OnLostDevice();
m_effectShadowmap->OnLostDevice();
m_shadowMap.OnLostDevice();
}
void CPreviewState::DeviceReset()
{
CGameState::DeviceReset();
m_effectNormalmap->OnResetDevice();
m_effectPosmap->OnResetDevice();
m_effectPhong->OnResetDevice();
m_effectShadowmap->OnLostDevice();
m_shadowMap.OnResetDevice();
ResetProjectionMat();
}
void CPreviewState::DrawBoundBox(const BoundBox& box, DWORD color)
{
VERTEX_XYZC vertices[] =
{
box.minPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.minPoint.x, box.minPoint.y, box.minPoint.z, color,
box.minPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.minPoint.z, color,
};
//D3DXMATRIXA16 mWorld;
//D3DXMatrixIdentity(&mWorld);
//GetDevice()->SetTransform(D3DTS_WORLD, &mWorld);
GetDevice()->SetFVF(VERTEX_XYZC::FVF);
GetDevice()->DrawPrimitiveUP(D3DPT_LINELIST, 12, vertices, sizeof(VERTEX_XYZC));
}
void CPreviewState::DrawSceneBox(const BoundBox& box, DWORD color)
{
VERTEX_XYZC vertices[] =
{
box.minPoint.x, box.minPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.minPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.minPoint.z, color,
box.minPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.minPoint.y, box.maxPoint.z, color,
box.minPoint.x, box.maxPoint.y, box.maxPoint.z, color,
box.maxPoint.x, box.maxPoint.y, box.maxPoint.z, color,
};
//WORD indices[] =
//{
// 0, 1, 2,
//}
//D3DXMATRIXA16 mWorld;
//D3DXMatrixIdentity(&mWorld);
//GetDevice()->SetTransform(D3DTS_WORLD, &mWorld);
GetDevice()->SetFVF(VERTEX_XYZC::FVF);
GetDevice()->DrawPrimitiveUP(D3DPT_LINELIST, 12, vertices, sizeof(VERTEX_XYZC));
}
void CPreviewState::DrawPoints()
{
SetEffect(fxAdd);
GetDevice()->SetFVF(VERTEX_XYZNORM::FVF);
GetDevice()->DrawPrimitiveUP(D3DPT_POINTLIST, (UINT)m_sampled, m_pointsBuf, sizeof(VERTEX_XYZNORM));
SetEffect(fxCopy);
}
/**
* Returns sample count by weight.
*/
inline size_t sampleCount(size_t count, float weight, float u)
{
float d = count * weight;
size_t scount = static_cast<size_t>(d);
d -= scount;
if (u < d)
++scount;
return scount;
}
void CPreviewState::CreateSamples( size_t count )
{
if (m_sampleNormals)
{
delete [] m_sampleNormals;
m_sampleNormals = NULL;
}
if (m_samplePoints)
{
delete [] m_samplePoints;
m_samplePoints = NULL;
}
if (m_pointsBuf)
{
delete [] m_pointsBuf;
m_pointsBuf = NULL;
}
size_t max = count * 2;
m_samplePoints = new Point3[max];
m_sampleNormals = new Point3[count * 2];
m_totalArea = 0;
m_sampled = 0;
for (size_t i = 0; i < m_meshes.size(); i++)
{
m_totalArea += m_meshes[i]->ComputeArea();
}
printf("total area = %f\n", m_totalArea);
printf("box volume = %f\n", m_worldBound.volume());
for (size_t i = 0; i < m_meshes.size(); i++)
{
float area = m_meshes[i]->ComputeArea();
size_t countSamples = sampleCount(count, area / m_totalArea, RandomRange(0, 1));
size_t sampled = m_meshes[i]->SamplePoints(countSamples, max - m_sampled,
m_samplePoints + m_sampled,
m_sampleNormals + m_sampled);
m_sampled += sampled;
}
m_pointsBuf= new VERTEX_XYZNORM[m_sampled];
for (size_t i = 0; i < m_sampled; i++)
{
m_pointsBuf[i].x = m_samplePoints[i].x;
m_pointsBuf[i].y = m_samplePoints[i].y;
m_pointsBuf[i].z = m_samplePoints[i].z;
m_pointsBuf[i].nx = m_sampleNormals[i].x;
m_pointsBuf[i].ny = m_sampleNormals[i].y;
m_pointsBuf[i].nz = m_sampleNormals[i].z;
m_pointsBuf[i].color = D3DXCOLOR(1, 1, 1, 1) * (m_lightDir * m_sampleNormals[i]);
}
printf("m_sampled = %d\n", m_sampled);
}
void CPreviewState::LoadModel()
{
if (m_model)
{
delete m_model;
m_model = NULL;
}
if (m_dfMesh)
{
delete m_dfMesh;
m_dfMesh = NULL;
}
m_meshes.clear();
const char* ext = getExtName(g_StateInfo.modelFile);
if (stricmp(ext, "3ds") == 0)
{
m_model = new C3DSModel();
m_model->LoadFromFile(g_StateInfo.modelFile);
for (size_t i = 0; i < m_model->GetMeshCount(); i++)
{
m_meshes.push_back(m_model->GetMesh(i));
}
}
else if (stricmp(ext, "defaulttext") == 0)
{
m_dfMesh = new CDefaultTextMesh();
if (!m_dfMesh->LoadFromFile(GetDevice(), g_StateInfo.modelFile))
MessageBox(GetWindow(), "Can not load mesh", "Error", 0);
m_meshes.push_back(m_dfMesh);
}
else
{
return;
}
m_worldBound = m_meshes[0]->GetBoundBox();
size_t totalFactCount = 0, totalVetrtexCount = 0;
for (size_t i = 0; i < m_meshes.size(); i++)
{
m_worldBound = BoundBox::unionBoxes(m_worldBound, m_meshes[i]->GetBoundBox());
size_t face = m_meshes[i]->GetFaceCount();
size_t vertex = m_meshes[i]->GetVertexCount();
printf("Part#%d, area = %f, face = %d, vertex = %d\n",
i, m_meshes[i]->ComputeArea(), face, vertex);
totalFactCount += face;
totalVetrtexCount += vertex;
}
printf("Total face = %d, vertex = %d\n", totalFactCount, totalVetrtexCount);
m_radius = m_worldBound.diagonalLength() * 3;
m_center = m_worldBound.center();
ResetProjectionMat();
}
void CPreviewState::ComputeSampleIrradiance()
{
if (FAILED(GetDevice()->GetRenderTargetData(m_targetShadow.GetSurface(), m_shadowMap.GetSurfaceSystem())))
{
MessageBox(GetWindow(), "error get render target data", "error", 0);
return;
}
D3DLOCKED_RECT lrShadow;
if (!m_shadowMap.LockRect(&lrShadow, NULL, D3DLOCK_READONLY))
return;
unsigned char* bufShadow = (unsigned char*) lrShadow.pBits;
D3DXVECTOR4 outzero;
D3DXVECTOR3 zero(0, 0, 0);
D3DXVec3Transform(&outzero, &zero, &m_worldMat);
for (size_t i = 0; i < m_sampled; i++)
{
D3DXVECTOR4 out;
D3DXVec3Transform(&out, (D3DXVECTOR3 *) &m_samplePoints[i], &m_shadowMapMat);
out.x = (out.x + 1 + 1.0f / g_RenderOption.shadowMapWidth) / 2;
out.y = (-out.y + 1 + 1.0f / g_RenderOption.shadowMapHeight) / 2;
int texX = (int)(out.x * g_RenderOption.shadowMapWidth);
int texY = (int)(out.y * g_RenderOption.shadowMapHeight);
//if (texX > 255 || texX < 0)
// MessageBox(GetWindow(), "!!!!!", "", 0);
//if (texY > 255 || texY < 0)
// MessageBox(GetWindow(), "!!!!!", "", 0);
texX = max(0, min(texX, (int)g_RenderOption.shadowMapWidth - 1));
texY = max(0, min(texY, (int)g_RenderOption.shadowMapHeight - 1));
float depth;
switch(g_PosmapFormat)
{
case D3DFMT_G32R32F:
{
DWORD r = *(DWORD *) (bufShadow + texY * lrShadow.Pitch + texX * 8);
depth = (r) / 4294967295.0f;
//py = (dw & (0x3FF << 10)) >> 10;
//depth = ((dw & (0x3FF << 20)) >> 20) / 1023.0f;
break;
}
case D3DFMT_G16R16F:
{
WORD r = *(WORD *) (bufShadow + texY * lrShadow.Pitch + texX * 4);
depth = (r) / 65535.0f;
//py = (dw & (0x3FF << 10)) >> 10;
//depth = ((dw & (0x3FF << 20)) >> 20) / 1023.0f;
break;
}
case D3DFMT_A2B10G10R10:
{
DWORD dw = *(DWORD *) (bufShadow + texY * lrShadow.Pitch + texX * 4);
depth = (dw & 0x3FF) / 1023.0f;
//py = (dw & (0x3FF << 10)) >> 10;
//depth = ((dw & (0x3FF << 20)) >> 20) / 1023.0f;
break;
}
case D3DFMT_A2R10G10B10:
{
DWORD dw = *(DWORD *) (bufShadow + texY * lrShadow.Pitch + texX * 4);
//depth = (dw & 0x3FF) / 1023.0f;
//py = (dw & (0x3FF << 10)) >> 10;
depth = ((dw & (0x3FF << 20)) >> 20) / 1023.0f;
break;
}
case D3DFMT_A8R8G8B8:
{
depth = bufShadow[texY * lrShadow.Pitch + texX * 4 + 2] / 256.0f;
//py = bufPos[j * 4 + 1];
//depth = bufShadow[texY * lrShadow.Pitch + texX * 4] / 256.0f;
break;
}
default:
depth = 1;
}
bool isShadow = out.z > depth + 0.001f;
if (!isShadow)
{
D3DXVec3Transform(&out, (D3DXVECTOR3 *) &m_sampleNormals[i], &m_worldMat);
out -= outzero;
D3DXVec4Normalize(&out, &out);
m_pointsBuf[i].nx = out.x;
m_pointsBuf[i].ny = out.y;
m_pointsBuf[i].nz = out.z;
float c = m_lightDir * *(Point3 *)&out;
if (c < 0)
m_pointsBuf[i].color = 0xFF000000;
else
m_pointsBuf[i].color = D3DXCOLOR(1, 1, 1, 1) * c;
}
else
{
m_pointsBuf[i].color = 0xFF000000;
}
}
m_shadowMap.UnlockRect();
}
void CPreviewState::ComputeRotateMatrix(D3DXMATRIX* out, float dx, float dy, float dz)
{
DWORD t = GetTickCount();
Point3 vecZ(-dx, -dy, -dz);
Point3 vecX, vecY;
coordinateSystem(vecZ, &vecX, &vecY);
D3DXMATRIX matView
(
vecX.x, vecY.x, vecZ.x, 0,
vecX.y, vecY.y, vecZ.y, 0,
vecX.z, vecY.z, vecZ.z, 0,
0, 0, 0, 1
);
D3DXMATRIX mWorldView = m_worldMat * matView;
for (size_t i = 0; i < m_meshes.size(); i++)
{
m_meshes[i]->ComputeBoundBox(&mWorldView);
}
BoundBox wb = m_meshes[0]->GetBoundBox();
for (size_t i = 1; i < m_meshes.size(); i++)
{
wb = BoundBox::unionBoxes(m_meshes[i]->GetBoundBox(), wb);
}
for (size_t i = 0; i < m_meshes.size(); i++)
{
m_meshes[i]->ComputeBoundBox();
}
float xlen = wb.maxPoint.x - wb.minPoint.x;
float ylen = wb.maxPoint.y - wb.minPoint.y;
float zlen = wb.maxPoint.z - wb.minPoint.z;
wb.expandDelta(xlen * 0.01f, ylen * 0.01f, 0);
xlen = wb.maxPoint.x - wb.minPoint.x;
ylen = wb.maxPoint.y - wb.minPoint.y;
zlen = wb.maxPoint.z - wb.minPoint.z;
float minx = wb.minPoint.x;
float miny = wb.minPoint.y;
float minz = wb.minPoint.z;
m_lightBound = Point3(xlen, ylen, zlen);
D3DXMATRIX matProj
(
2.0f / xlen, 0, 0, 0,
0, 2.0f / ylen, 0, 0,
0, 0, 1.0f / zlen, 0,
(-2 * minx / xlen - 1), (-2 * miny / ylen - 1), -minz / zlen, 1
);
*out = matView * matProj;
times[1] = GetTickCount() - t;
}
void CPreviewState::ShowSaveImageDialog()
{
OPENFILENAME ofn; // common dialog box structure
char szFile[260]; // buffer for file name
// Initialize OPENFILENAME
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = GetWindow();
ofn.lpstrFile = szFile;
//
// Set lpstrFile[0] to '\0' so that GetOpenFileName does not
// use the contents of szFile to initialize itself.
//
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = "PNG\0*.png\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_SHOWHELP | OFN_OVERWRITEPROMPT;
ofn.lpstrDefExt = "png";
// Display the Open dialog box.
if (GetSaveFileName(&ofn)==TRUE)
{
GetDevice()->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_RGBA(1, 1, 1, 1), 1.0f, 0);
if (SUCCEEDED(GetDevice()->BeginScene()))
{
Draw3D();
GetDevice()->EndScene();
Get2D()->ScreenShot(ofn.lpstrFile);
}
}
}
void CPreviewState::ShowOpenModelDialog()
{
OPENFILENAME ofn; // common dialog box structure
char szFile[260]; // buffer for file name
// Initialize OPENFILENAME
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = GetWindow();
ofn.lpstrFile = szFile;
//
// Set lpstrFile[0] to '\0' so that GetOpenFileName does not
// use the contents of szFile to initialize itself.
//
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = "模型文件\0*.3ds;*.defaulttext\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
// Display the Open dialog box.
if (GetOpenFileName(&ofn)==TRUE)
{
strcpy(g_StateInfo.modelFile, ofn.lpstrFile);
LoadModel();
CreateSamples(g_RenderOption.sampleCount);
UpdateLight();
}
}
void CPreviewState::ResetProjectionMat()
{
//Projection Transform
float fAspectRatio = GetScreenWidth() / (FLOAT)GetScreenHeight();
D3DXMATRIX matProj;
float len = m_worldBound.diagonalLength();
D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/8, fAspectRatio,
max(m_radius - len / 2, 0.1f), m_radius + len / 2 );
GetDevice()->SetTransform( D3DTS_PROJECTION, &matProj );
}
void CPreviewState::UpdateLight()
{
m_lightDir = Point3(sin(m_lightPhi) * cos(m_lightTheta),
cos(m_lightPhi) * cos(m_lightTheta),
sin(m_lightTheta));
ComputeRotateMatrix(&m_shadowMapMatNoWorld, m_lightDir.x, m_lightDir.y, m_lightDir.z);
m_shadowMapMat = m_worldMat * m_shadowMapMatNoWorld;
RenderShadowmap();
}
Bssrdf CPreviewState::AdjustBssrdf()
{
Bssrdf bssrdf = g_Bssrdf;
float factor = sqrtf((m_sampled / m_totalArea)) * 0.3f * g_RenderOption.scale;
bssrdf.scatter = g_Bssrdf.scatter * factor;
bssrdf.absorb = g_Bssrdf.absorb * factor;
bssrdf.UpdateParams();
return bssrdf;
}
void CPreviewState::RenderShadowmap()
{
DWORD t = GetTickCount();
LPDIRECT3DSURFACE9 backSurface;
GetDevice()->GetRenderTarget(0, &backSurface);
// Render shadow map
m_targetShadow.ApplyRenderTarget(GetDevice());
GetDevice()->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_RGBA(1, 1, 1, 1), 1.0f, 0);
GetDevice()->ColorFill(m_targetShadow.GetSurface(), NULL, 0xFFFF0000);
if (SUCCEEDED(GetDevice()->BeginScene()))
{
m_effectShadowmap->SetMatrix("g_mProjectToLight", &m_shadowMapMat);
m_effectShadowmap->SetFloatArray("g_LightDir", &m_lightDir.x, 3);
m_effectShadowmap->SetTechnique("Shadowmap");
DX_BEGIN_EFFECT(m_effectShadowmap);
for (size_t i = 0; i < m_meshes.size(); i++)
m_meshes[i]->Render();
DX_END_EFFECT(m_effectShadowmap);
GetDevice()->EndScene();
}
SetEffect(fxCopy);
m_targetShadowMipmaps.ApplyRenderTarget(GetDevice());
GetDevice()->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_RGBA(1, 1, 1, 1), 1.0f, 0);
if (SUCCEEDED(GetDevice()->BeginScene()))
{
CGame2D* g2d = Get2D();
float texSize[2] = { (float)(g_RenderOption.shadowMapWidth), (float)g_RenderOption.shadowMapHeight };
g2d->BeginDraw();
g2d->DrawTexture(m_targetShadow.GetTexture(), 0, 0,
(float)g_RenderOption.shadowMapWidth, (float)g_RenderOption.shadowMapHeight);
g2d->EndDraw();
GetDevice()->EndScene();
}
GetDevice()->SetRenderTarget(0, backSurface);
backSurface->Release();
times[0] = GetTickCount() - t;
}
void CPreviewState::InitGUI()
{
m_dlgMain = new CGUIDialog(10.0f, 0.0f,
100, 30, false, 100, NULL);
m_btLoadModel = m_dlgMain->AddButton(10, 10, 80, 26,
LoadGameImage("btLoadModel.png"));
m_btParams = m_dlgMain->AddButton(10, 40, 80, 26,
LoadGameImage("btParams.png"));
m_btRender = m_dlgMain->AddButton(10, 70, 80, 26,
LoadGameImage("btRender.png"));
m_btBuiltin = m_dlgMain->AddButton(10, 100, 80, 26,
LoadGameImage("btBuiltin.png"));
m_btLoadModel->SetFadeSpeed(10);
m_btRender->SetFadeSpeed(10);
m_btParams->SetFadeSpeed(10);
m_btBuiltin->SetFadeSpeed(10);
m_dlgParams = new CGUIDialog(120.0f, 0.0f,
300, 400, false, 100, LoadGameImage("dlgbk.png"));
m_btCloseParams = m_dlgParams->AddButton(260, 25, 16, 16,
LoadGameImage("btClose.png"));
LPD3DXFONT font1 = LoadFont("宋体", 12);
LPD3DXFONT font2 = LoadFont("Arial", 14, FW_BOLD);
CImage2D* imgSliderBar = LoadGameImage("sliderBar.png");
CImage2D* imgSliderBlock = LoadGameImage("sliderBlock.png");
float offsetX = 25, offsetY = 30;
m_dlgParams->AddLabel(font1, offsetX, offsetY, "散射系数", 0xFFFFFFFF);
for (int i = 0; i < 3; i++)
{
m_dlgParams->AddLabel(font2, offsetX + 10, offsetY + i * 20 + 15,
"R\0G\0B" + i * 2, 0xFFFFFF00);
m_slSigmaS[i] = m_dlgParams->AddSlider(offsetX + 50, offsetY + i * 20 + 15,
160, 15, 12, 18, imgSliderBar, imgSliderBlock, 0.01f, 5);
m_slSigmaS[i]->SetOffset(5, 3);
m_slSigmaS[i]->SetValue(*(&g_Bssrdf.scatter.r + i));
}
offsetY += 80;
m_dlgParams->AddLabel(font1, offsetX, offsetY, "吸收系数", 0xFFFFFFFF);
for (int i = 0; i < 3; i++)
{
m_dlgParams->AddLabel(font2, offsetX + 10, offsetY + i * 20 + 15,
"R\0G\0B" + i * 2, 0xFFFFFF00);
m_slSigmaA[i] = m_dlgParams->AddSlider(offsetX + 50, offsetY + i * 20 + 15,
160, 15, 12, 18, imgSliderBar, imgSliderBlock, 0, 0.1f);
m_slSigmaA[i]->SetOffset(5, 3);
m_slSigmaA[i]->SetValue(*(&g_Bssrdf.absorb.r + i));
}
offsetY += 80;
m_dlgParams->AddLabel(font1, offsetX, offsetY, "漫反射", 0xFFFFFFFF);
for (int i = 0; i < 3; i++)
{
m_dlgParams->AddLabel(font2, offsetX + 10, offsetY + i * 20 + 15,
"R\0G\0B" + i * 2, 0xFFFFFF00);
m_slDiffuse[i] = m_dlgParams->AddSlider(offsetX + 50, offsetY + i * 20 + 15,