Selector::Selector(const sf::Texture& t)
: m_texture (t),
m_currentIndex (0),
m_target (0.f)
{
sf::Vector2f texSize(t.getSize());
m_topButton.width = texSize.x / 2.f;
m_topButton.height = texSize.y / 3.f;
m_bottomButton = m_topButton;
m_bottomButton.top = m_bottomButton.height * 2.f;
m_vertices[0].texCoords.x = m_topButton.width;
m_vertices[0].position.y = m_topButton.height;
m_vertices[1].texCoords.x = texSize.x;
m_vertices[1].position = { m_topButton.width, m_topButton.height };
m_vertices[2].texCoords = { texSize.x, m_topButton.height };
m_vertices[2].position = { m_topButton.width, m_topButton.height * 2.f };
m_vertices[3].texCoords = { m_topButton.width, m_topButton.height };
m_vertices[3].position.y = m_topButton.height * 2.f;
m_vertices[5].texCoords.x = m_topButton.width;
m_vertices[5].position.x = m_topButton.width;
m_vertices[6].texCoords = { m_topButton.width, texSize.y };
m_vertices[6].position = m_vertices[6].texCoords;
m_vertices[7].texCoords.y = texSize.y;
m_vertices[7].position.y = texSize.y;
m_localBounds.width = m_topButton.width;
m_localBounds.height = texSize.y;
}
void TransferFunctionPropertyDialog::exportTransferFunction() {
InviwoFileDialog exportFileDialog(this, "Export transfer function",
"transferfunction",
InviwoApplication::getPtr()->getPath(InviwoApplication::PATH_TRANSFERFUNCTIONS)
);
exportFileDialog.setAcceptMode(QFileDialog::AcceptSave);
exportFileDialog.setFileMode(QFileDialog::AnyFile);
exportFileDialog.addExtension("itf", "Inviwo Transfer Function");
exportFileDialog.addExtension("png", "Transfer Function Image");
exportFileDialog.addExtension("", "All files"); // this will add "All files (*)"
if (exportFileDialog.exec()) {
std::string file = exportFileDialog.selectedFiles().at(0).toLocal8Bit().constData();
std::string extension = filesystem::getFileExtension(file);
FileExtension fileExt = exportFileDialog.getSelectedFileExtension();
if (fileExt.extension_.empty()) {
// fall-back to standard inviwo TF format
fileExt.extension_ = "itf";
}
// check whether file extension matches the selected one
if (fileExt.extension_ != extension) {
file.append(fileExt.extension_);
}
if (fileExt.extension_ == "png") {
TransferFunction &tf = tfProperty_->get();
const Layer* layer = tf.getData();
vec2 texSize(tf.getTextureSize(), 1);
const vec4* readData = static_cast<const vec4*>(layer->getRepresentation<LayerRAM>()->getData());
Layer writeLayer(layer->getDimensions(), DataVec4UINT8::get());
glm::u8vec4* writeData = static_cast<glm::u8vec4*>(writeLayer.getEditableRepresentation<LayerRAM>()->getData());
for (std::size_t i=0; i<texSize.x * texSize.y; ++i) {
for (int c=0; c<4; ++c) {
writeData[i][c] = static_cast<glm::u8>(std::min(std::max(readData[i][c] * 255.0f, 0.0f), 255.0f));
}
}
auto writer =
DataWriterFactory::getPtr()->getWriterForTypeAndExtension<Layer>(extension);
if (writer) {
try {
writer->setOverwrite(true);
writer->writeData(&writeLayer, file);
} catch (DataWriterException const& e) {
util::log(e.getContext(), e.getMessage(), LogLevel::Error);
}
} else {
LogError("Error: Cound not find a writer for the specified extension and data type");
}
}
else if (fileExt.extension_ == "itf") {
IvwSerializer serializer(file);
tfProperty_->get().serialize(serializer);
serializer.writeFile();
}
}
}
/**
* Creates the textures and the display list needed for displaying
* an OSD part.
* Callback function for vo_draw_text().
*/
static void create_osd_texture(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
// initialize to 8 to avoid special-casing on alignment
int sx = 8, sy = 8;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
if (w <= 0 || h <= 0 || stride < w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
return;
}
texSize(w, h, &sx, &sy);
if (osdtexCnt >= MAX_OSD_PARTS) {
mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
return;
}
// create Textures for OSD part
mpglGenTextures(1, &osdtex[osdtexCnt]);
mpglBindTexture(gl_target, osdtex[osdtexCnt]);
glCreateClearTex(gl_target, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
glUploadTex(gl_target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
0, 0, w, h, 0);
#ifndef FAST_OSD
mpglGenTextures(1, &osdatex[osdtexCnt]);
mpglBindTexture(gl_target, osdatex[osdtexCnt]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
{
int i;
char *tmp = malloc(stride * h);
// convert alpha from weird MPlayer scale.
// in-place is not possible since it is reused for future OSDs
for (i = h * stride - 1; i >= 0; i--)
tmp[i] = -srca[i];
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
0, 0, w, h, 0);
free(tmp);
}
#endif
mpglBindTexture(gl_target, 0);
// Create a list for rendering this OSD part
#ifndef FAST_OSD
osdaDispList[osdtexCnt] = mpglGenLists(1);
mpglNewList(osdaDispList[osdtexCnt], GL_COMPILE);
// render alpha
mpglBindTexture(gl_target, osdatex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
mpglEndList();
#endif
osdDispList[osdtexCnt] = mpglGenLists(1);
mpglNewList(osdDispList[osdtexCnt], GL_COMPILE);
// render OSD
mpglBindTexture(gl_target, osdtex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
mpglEndList();
osdtexCnt++;
}
/**
* \brief Initialize a (new or reused) OpenGL context.
* set global gl-related variables to their default values
*/
static int initGl(uint32_t d_width, uint32_t d_height) {
GLint scale_type = get_scale_type(0);
autodetectGlExtensions();
gl_target = use_rectangle == 1 ? GL_TEXTURE_RECTANGLE : GL_TEXTURE_2D;
yuvconvtype = SET_YUV_CONVERSION(use_yuv) |
SET_YUV_LUM_SCALER(lscale) |
SET_YUV_CHROM_SCALER(cscale);
texSize(image_width, image_height, &texture_width, &texture_height);
mpglDisable(GL_BLEND);
mpglDisable(GL_DEPTH_TEST);
mpglDepthMask(GL_FALSE);
mpglDisable(GL_CULL_FACE);
mpglEnable(gl_target);
mpglDrawBuffer(vo_doublebuffering?GL_BACK:GL_FRONT);
mpglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
texture_width, texture_height);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width, texture_height, 0);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
if (is_yuv) {
int i;
int xs, ys;
scale_type = get_scale_type(1);
mp_get_chroma_shift(image_format, &xs, &ys);
mpglGenTextures(21, default_texs);
default_texs[21] = 0;
for (i = 0; i < 7; i++) {
mpglActiveTexture(GL_TEXTURE1 + i);
mpglBindTexture(GL_TEXTURE_2D, default_texs[i]);
mpglBindTexture(GL_TEXTURE_RECTANGLE, default_texs[i + 7]);
mpglBindTexture(GL_TEXTURE_3D, default_texs[i + 14]);
}
mpglActiveTexture(GL_TEXTURE1);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width >> xs, texture_height >> ys, 128);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
mpglActiveTexture(GL_TEXTURE2);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width >> xs, texture_height >> ys, 128);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
mpglActiveTexture(GL_TEXTURE0);
mpglBindTexture(gl_target, 0);
}
if (is_yuv || custom_prog)
{
if ((MASK_NOT_COMBINERS & (1 << use_yuv)) || custom_prog) {
if (!mpglGenPrograms || !mpglBindProgram) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
} else {
mpglGenPrograms(1, &fragprog);
mpglBindProgram(GL_FRAGMENT_PROGRAM, fragprog);
}
}
update_yuvconv();
}
resize(d_width, d_height);
mpglClearColor( 0.0f,0.0f,0.0f,0.0f );
mpglClear( GL_COLOR_BUFFER_BIT );
if (mpglSwapInterval && swap_interval >= 0)
mpglSwapInterval(swap_interval);
return 1;
}
/**
* \brief construct display list from ass image list
* \param img image list to create OSD from.
* A value of NULL has the same effect as clearEOSD()
*/
static void genEOSD(struct mp_eosd_image_list *imgs) {
int sx, sy;
int tinytexcur = 0;
int smalltexcur = 0;
GLuint *curtex;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
struct mp_eosd_image *img = eosd_image_first(imgs);
struct mp_eosd_image *i;
if (imgs->changed == 0) // there are elements, but they are unchanged
return;
if (img && imgs->changed == 1) // there are elements, but they just moved
goto skip_upload;
clearEOSD();
if (!img)
return;
if (!largeeosdtex[0]) {
mpglGenTextures(2, largeeosdtex);
mpglBindTexture(gl_target, largeeosdtex[0]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
mpglBindTexture(gl_target, largeeosdtex[1]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
}
for (i = img; i; i = eosd_image_next(imgs))
{
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
if (is_tinytex(i, tinytexcur))
tinytexcur++;
else if (is_smalltex(i, smalltexcur))
smalltexcur++;
else
eosdtexCnt++;
}
mp_msg(MSGT_VO, MSGL_DBG2, "EOSD counts (tiny, small, all): %i, %i, %i\n",
tinytexcur, smalltexcur, eosdtexCnt);
if (eosdtexCnt) {
eosdtex = calloc(eosdtexCnt, sizeof(GLuint));
mpglGenTextures(eosdtexCnt, eosdtex);
}
tinytexcur = smalltexcur = 0;
for (i = eosd_image_first(imgs), curtex = eosdtex; i; i = eosd_image_next(imgs)) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
continue;
}
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
mpglBindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
mpglBindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
mpglBindTexture(gl_target, *curtex++);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
}
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap, i->stride,
x, y, i->w, i->h, 0);
}
eosdDispList = mpglGenLists(1);
skip_upload:
mpglNewList(eosdDispList, GL_COMPILE);
tinytexcur = smalltexcur = 0;
for (i = eosd_image_first(imgs), curtex = eosdtex; i; i = eosd_image_next(imgs)) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
mpglColor4ub(i->color >> 24, (i->color >> 16) & 0xff, (i->color >> 8) & 0xff, 255 - (i->color & 0xff));
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
mpglBindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
mpglBindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
mpglBindTexture(gl_target, *curtex++);
}
glDrawTex(i->dst_x, i->dst_y, i->w, i->h, x, y, i->w, i->h, sx, sy, use_rectangle == 1, 0, 0);
}
mpglEndList();
mpglBindTexture(gl_target, 0);
}
void TSLastDetail::_update()
{
// We're gonna render... make sure we can.
bool sceneBegun = GFX->canCurrentlyRender();
if ( !sceneBegun )
GFX->beginScene();
_validateDim();
Vector<GBitmap*> bitmaps;
Vector<GBitmap*> normalmaps;
// We need to create our own instance to render with.
TSShapeInstance *shape = new TSShapeInstance( mShape, true );
// Animate the shape once.
shape->animate( mDl );
// So we don't have to change it everywhere.
const GFXFormat format = GFXFormatR8G8B8A8;
S32 imposterCount = ( ((2*mNumPolarSteps) + 1 ) * mNumEquatorSteps ) + ( mIncludePoles ? 2 : 0 );
// Figure out the optimal texture size.
Point2I texSize( smMaxTexSize, smMaxTexSize );
while ( true )
{
Point2I halfSize( texSize.x / 2, texSize.y / 2 );
U32 count = ( halfSize.x / mDim ) * ( halfSize.y / mDim );
if ( count < imposterCount )
{
// Try half of the height.
count = ( texSize.x / mDim ) * ( halfSize.y / mDim );
if ( count >= imposterCount )
texSize.y = halfSize.y;
break;
}
texSize = halfSize;
}
GBitmap *imposter = NULL;
GBitmap *normalmap = NULL;
GBitmap destBmp( texSize.x, texSize.y, true, format );
GBitmap destNormal( texSize.x, texSize.y, true, format );
U32 mipLevels = destBmp.getNumMipLevels();
ImposterCapture *imposterCap = new ImposterCapture();
F32 equatorStepSize = M_2PI_F / (F32)mNumEquatorSteps;
static const MatrixF topXfm( EulerF( -M_PI_F / 2.0f, 0, 0 ) );
static const MatrixF bottomXfm( EulerF( M_PI_F / 2.0f, 0, 0 ) );
MatrixF angMat;
F32 polarStepSize = 0.0f;
if ( mNumPolarSteps > 0 )
polarStepSize = -( 0.5f * M_PI_F - mDegToRad( mPolarAngle ) ) / (F32)mNumPolarSteps;
PROFILE_START(TSLastDetail_snapshots);
S32 currDim = mDim;
for ( S32 mip = 0; mip < mipLevels; mip++ )
{
if ( currDim < 1 )
currDim = 1;
dMemset( destBmp.getWritableBits(mip), 0, destBmp.getWidth(mip) * destBmp.getHeight(mip) * GFXFormat_getByteSize( format ) );
dMemset( destNormal.getWritableBits(mip), 0, destNormal.getWidth(mip) * destNormal.getHeight(mip) * GFXFormat_getByteSize( format ) );
bitmaps.clear();
normalmaps.clear();
F32 rotX = 0.0f;
if ( mNumPolarSteps > 0 )
rotX = -( mDegToRad( mPolarAngle ) - 0.5f * M_PI_F );
// We capture the images in a particular order which must
// match the order expected by the imposter renderer.
imposterCap->begin( shape, mDl, currDim, mRadius, mCenter );
for ( U32 j=0; j < (2 * mNumPolarSteps + 1); j++ )
{
F32 rotZ = -M_PI_F / 2.0f;
for ( U32 k=0; k < mNumEquatorSteps; k++ )
{
angMat.mul( MatrixF( EulerF( rotX, 0, 0 ) ),
MatrixF( EulerF( 0, 0, rotZ ) ) );
imposterCap->capture( angMat, &imposter, &normalmap );
bitmaps.push_back( imposter );
normalmaps.push_back( normalmap );
rotZ += equatorStepSize;
}
rotX += polarStepSize;
if ( mIncludePoles )
{
imposterCap->capture( topXfm, &imposter, &normalmap );
bitmaps.push_back(imposter);
normalmaps.push_back( normalmap );
imposterCap->capture( bottomXfm, &imposter, &normalmap );
bitmaps.push_back( imposter );
normalmaps.push_back( normalmap );
}
}
imposterCap->end();
Point2I texSize( destBmp.getWidth(mip), destBmp.getHeight(mip) );
// Ok... pack in bitmaps till we run out.
for ( S32 y=0; y+currDim <= texSize.y; )
{
for ( S32 x=0; x+currDim <= texSize.x; )
{
// Copy the next bitmap to the dest texture.
GBitmap* bmp = bitmaps.first();
bitmaps.pop_front();
destBmp.copyRect( bmp, RectI( 0, 0, currDim, currDim ), Point2I( x, y ), 0, mip );
delete bmp;
// Copy the next normal to the dest texture.
GBitmap* normalmap = normalmaps.first();
normalmaps.pop_front();
destNormal.copyRect( normalmap, RectI( 0, 0, currDim, currDim ), Point2I( x, y ), 0, mip );
delete normalmap;
// Did we finish?
if ( bitmaps.empty() )
break;
x += currDim;
}
// Did we finish?
if ( bitmaps.empty() )
break;
y += currDim;
}
// Next mip...
currDim /= 2;
}
PROFILE_END(); // TSLastDetail_snapshots
delete imposterCap;
delete shape;
// Should we dump the images?
if ( Con::getBoolVariable( "$TSLastDetail::dumpImposters", false ) )
{
String imposterPath = mCachePath + ".imposter.png";
String normalsPath = mCachePath + ".imposter_normals.png";
FileStream stream;
if ( stream.open( imposterPath, Torque::FS::File::Write ) )
destBmp.writeBitmap( "png", stream );
stream.close();
if ( stream.open( normalsPath, Torque::FS::File::Write ) )
destNormal.writeBitmap( "png", stream );
stream.close();
}
// DEBUG: Some code to force usage of a test image.
//GBitmap* tempMap = GBitmap::load( "./forest/data/test1234.png" );
//tempMap->extrudeMipLevels();
//mTexture.set( tempMap, &GFXDefaultStaticDiffuseProfile, false );
//delete tempMap;
DDSFile *ddsDest = DDSFile::createDDSFileFromGBitmap( &destBmp );
DDSUtil::squishDDS( ddsDest, GFXFormatDXT3 );
DDSFile *ddsNormals = DDSFile::createDDSFileFromGBitmap( &destNormal );
DDSUtil::squishDDS( ddsNormals, GFXFormatDXT5 );
// Finally save the imposters to disk.
FileStream fs;
if ( fs.open( _getDiffuseMapPath(), Torque::FS::File::Write ) )
{
ddsDest->write( fs );
fs.close();
}
if ( fs.open( _getNormalMapPath(), Torque::FS::File::Write ) )
{
ddsNormals->write( fs );
fs.close();
}
delete ddsDest;
delete ddsNormals;
// If we did a begin then end it now.
if ( !sceneBegun )
GFX->endScene();
}
void TSLastDetail::update( bool forceUpdate )
{
// This should never be called on a dedicated server or
// anywhere else where we don't have a GFX device!
AssertFatal( GFXDevice::devicePresent(), "TSLastDetail::update() - Cannot update without a GFX device!" );
// Clear the materialfirst.
SAFE_DELETE( mMatInstance );
if ( mMaterial )
{
mMaterial->deleteObject();
mMaterial = NULL;
}
// Make sure imposter textures have been flushed (and not just queued for deletion)
TEXMGR->cleanupCache();
// Get the real path to the source shape for doing modified time
// comparisons... this might be different if the DAEs have been
// deleted from the install.
String shapeFile( mCachePath );
if ( !Platform::isFile( shapeFile ) )
{
Torque::Path path(shapeFile);
path.setExtension("cached.dts");
shapeFile = path.getFullPath();
if ( !Platform::isFile( shapeFile ) )
{
Con::errorf( "TSLastDetail::update - '%s' could not be found!", mCachePath.c_str() );
return;
}
}
// Do we need to update the imposter?
const String diffuseMapPath = _getDiffuseMapPath();
if ( forceUpdate ||
Platform::compareModifiedTimes( diffuseMapPath, shapeFile ) <= 0 )
_update();
// If the time check fails now then the update must have not worked.
if ( Platform::compareModifiedTimes( diffuseMapPath, shapeFile ) < 0 )
{
Con::errorf( "TSLastDetail::update - Failed to create imposters for '%s'!", mCachePath.c_str() );
return;
}
// Figure out what our vertex format will be.
//
// If we're on SM 3.0 we can do multiple vertex streams
// and the performance win is big as we send 3x less data
// on each imposter instance.
//
// The problem is SM 2.0 won't do this, so we need to
// support fallback to regular single stream imposters.
//
//mImposterVertDecl.copy( *getGFXVertexFormat<ImposterCorner>() );
//mImposterVertDecl.append( *getGFXVertexFormat<ImposterState>(), 1 );
//mImposterVertDecl.getDecl();
mImposterVertDecl.clear();
mImposterVertDecl.copy( *getGFXVertexFormat<ImposterState>() );
// Setup the material for this imposter.
mMaterial = MATMGR->allocateAndRegister( String::EmptyString );
mMaterial->mAutoGenerated = true;
mMaterial->mDiffuseMapFilename[0] = diffuseMapPath;
mMaterial->mNormalMapFilename[0] = _getNormalMapPath();
mMaterial->mImposterLimits.set( (mNumPolarSteps * 2) + 1, mNumEquatorSteps, mPolarAngle, mIncludePoles );
mMaterial->mTranslucent = true;
mMaterial->mTranslucentBlendOp = Material::None;
mMaterial->mTranslucentZWrite = true;
mMaterial->mDoubleSided = true;
mMaterial->mAlphaTest = true;
mMaterial->mAlphaRef = 84;
// Create the material instance.
FeatureSet features = MATMGR->getDefaultFeatures();
features.addFeature( MFT_ImposterVert );
mMatInstance = mMaterial->createMatInstance();
if ( !mMatInstance->init( features, &mImposterVertDecl ) )
{
delete mMatInstance;
mMatInstance = NULL;
}
// Get the diffuse texture and from its size and
// the imposter dimensions we can generate the UVs.
GFXTexHandle diffuseTex( diffuseMapPath, &GFXDefaultStaticDiffuseProfile, String::EmptyString );
Point2I texSize( diffuseTex->getWidth(), diffuseTex->getHeight() );
_validateDim();
S32 downscaledDim = mDim >> GFXTextureManager::getTextureDownscalePower(&GFXDefaultStaticDiffuseProfile);
// Ok... pack in bitmaps till we run out.
Vector<RectF> imposterUVs;
for ( S32 y=0; y+downscaledDim <= texSize.y; )
{
for ( S32 x=0; x+downscaledDim <= texSize.x; )
{
// Store the uv for later lookup.
RectF info;
info.point.set( (F32)x / (F32)texSize.x, (F32)y / (F32)texSize.y );
info.extent.set( (F32)downscaledDim / (F32)texSize.x, (F32)downscaledDim / (F32)texSize.y );
imposterUVs.push_back( info );
x += downscaledDim;
}
y += downscaledDim;
}
AssertFatal( imposterUVs.size() != 0, "hey" );
mMaterial->mImposterUVs = imposterUVs;
}
//--------------------------------------------------------------
void ofApp::setup() {
ofDirectory dir;
ofVideoPlayer player;
int edge = 2;
ofxXmlSettings settings;
settings.loadFile("settings.xml");
ofVec2f movieSize(settings.getValue("movieSize:width", 128) + edge,
settings.getValue("movieSize:height", 128) + edge);
ofVec2f texSize(settings.getValue("texSize:width", 1024),
settings.getValue("texSize:height", 1024));
float duration = settings.getValue("duration", 1.0);
float fps = settings.getValue("fps", 1.0);
int numFrames = duration * fps;
int numMovies = dir.listDir("movies");
int totalFrames = numFrames * numMovies;
float movieRatio = movieSize.x / movieSize.y;
float texArea = texSize.x * texSize.y;
float fitArea = texArea / (float)totalFrames;
float fitHeight = sqrt(fitArea/movieRatio);
float fitWidth = fitArea/fitHeight;
ofVec2f fitSize(fitWidth,
fitHeight);
ofVec2f numUnits(ceil(texSize.x / fitSize.x),
ceil(texSize.y / fitSize.y));
ofVec2f size = texSize / numUnits;
ofVec2f scale = movieSize / size;
ofFile::removeFile("sprite.js");
ofstream js;
js.open (ofToDataPath("sprite.js").c_str(), std::ios::out | std::ios::app);
js << "var sprite={coordinates:[";
ofFbo fbo;
fbo.allocate(texSize.x, texSize.y);
fbo.begin();
ofClear(0, 0, 0, 0);
fbo.end();
float column = -1;
float row = -1;
int frameIndex = 0;
for (float i = 0; i < numMovies; i++) {
player.loadMovie(dir.getPath(i));
cout << dir.getPath(i) << endl;
int playerNumFrames = player.getTotalNumFrames();
float offset = (float)playerNumFrames / (float)numFrames;
js << "[";
for (float j = 0; j < numFrames; j++) {
column = frameIndex % (int)numUnits.x;
if(column == 0) row++;
js << "\"-" << (column * movieSize.x) << "px -" << (row * movieSize.y) << "px\"";
if(j < numFrames-1) js << ",";
player.setFrame(j * offset+1);
player.update();
fbo.begin();
player.draw(floor(column * size.x), floor(row * size.y), ceil(size.x), ceil(size.y));
fbo.end();
frameIndex++;
}
js << "]";
if(i < numMovies-1) js << ",";
}
js << "]";
js << ",duration:" << duration;
js << ",image:\"sprite.png\"";
js << ",numFrames:" << numFrames;
js << ",numMovies:" << numMovies;
js << ",width:" << movieSize.x - edge;
js << ",height:" << movieSize.y - edge;
js << ",backgroundSize:\"" << (texSize.x * scale.x) << "px " << (texSize.y * scale.y)<< "px\"";
js << "};";
js.close();
ofPixels pixels;
pixels.allocate(texSize.x, texSize.y, 4);
fbo.readToPixels(pixels);
ofSaveImage(pixels, "sprite.png");
ofExit(0);
}
void XRandBG::update(float steptime)
{
if (!m_isInited) return;
float curTime = steptime * 0.001f;
//出生的处理
//m_bornTime -= curTime;
//if (m_bornTime <= 0.0f)
//{
// born();
// m_bornTime = XRand::randomf(0.75f, 1.25f) * m_avgBornTimer;
//}
//状态更新
//方案1：
//for (int i = 0; i < m_usedObjs.size(); ++i)
//{
// if (!m_usedObjs[i]->update(curTime)) continue;
// m_freeObjs.push_back(m_usedObjs[i]);
// m_usedObjs.erase(m_usedObjs.begin() + i);
// --i;
// born();
//}
//方案2：
int deadSum = 0;
for (auto it = m_usedObjs.begin(); it != m_usedObjs.end();)
{
if (!(*it)->update(curTime))
{
++it;
continue;
}
m_freeObjs.push_back(*it);
it = m_usedObjs.erase(it);
++deadSum;
}
for (int i = 0; i < deadSum; ++i)
{//不分开处理会crash
born();
}
//显示
XVec2 texSize(m_tex.getOpWidth(), m_tex.getOpHeight());
m_fbo.useFBO();
XEG.clearScreen(XFColor::black);
//XGL::setBlendAlpha();
XGL::setBlendAdd();
XVec2 s, pos;
#ifdef WITH_DRAW_OP
glActiveTexture(GL_TEXTURE0);
XGL::EnableTexture2D();
XGL::BindTexture2D(m_tex.getTexGLID());
glBegin(GL_QUADS);
for (auto it = m_usedObjs.begin(); it != m_usedObjs.end(); ++it)
{
s = texSize * (*it)->m_scale * 0.5f;
pos = (*it)->m_pos;
glColor4fv(XFColor(1.0f, (*it)->m_alpha));
glTexCoord2fv(XVec2::zero);
glVertex2fv(pos - s);
glTexCoord2fv(XVec2::zeroOne);
glVertex2f(pos.x - s.x, pos.y + s.y);
glTexCoord2fv(XVec2::one);
glVertex2fv(pos + s);
glTexCoord2fv(XVec2::oneZero);
glVertex2f(pos.x + s.x, pos.y - s.y);
}
glEnd();
#else
for (auto it = m_usedObjs.begin(); it != m_usedObjs.end(); ++it)
{
tmpSize = texSize * (*it)->m_scale;
XRender::drawBlankPlane((*it)->m_pos - tmpSize * 0.5f,
tmpSize, m_tex.getTexGLID(), nullptr, XFColor(1.0f, (*it)->m_alpha));
}
#endif
glReadPixels(0, 0, m_w, m_h, GL_LUMINANCE, GL_UNSIGNED_BYTE, m_buff.getBuffer());
m_fbo.removeFBO();
}