Ogre::TexturePtr Simple::updateShadowTexture(Ogre::MaterialPtr material, const TerrainPageShadow* terrainPageShadow, std::set<std::string>& managedTextures) const
{
auto shadowTextureName = getShadowTextureName(material);
Ogre::TexturePtr texture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName));
if (texture.isNull()) {
texture = Ogre::Root::getSingletonPtr()->getTextureManager()->createManual(shadowTextureName, "General", Ogre::TEX_TYPE_2D, mPage.getBlendMapSize(), mPage.getBlendMapSize(), 1, Ogre::PF_L8, Ogre::TU_DYNAMIC_WRITE_ONLY);
managedTextures.insert(texture->getName());
}
Ogre::Image ogreImage;
terrainPageShadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
return texture;
}
void SnowTerrain::initBlendMaps(Terrain* terrain)
{
TextureLayerFileList blendImages = mSnowConfig->terrainSettings.textureBlendFileList;
// load those blendmaps into the layers
for(int j = 0;j < terrain->getLayerCount();j++)
{
// skip first layer
if(j==0)
continue;
// no blend map for this layer
if(blendImages.size() >= j && blendImages[j].length() == 0)
continue;
Ogre::TerrainLayerBlendMap *blendmap = terrain->getLayerBlendMap(j);
Ogre::Image img;
img.load(blendImages[j],"General");
int blendmapsize = terrain->getLayerBlendMapSize();
if(img.getWidth() != blendmapsize)
img.resize(blendmapsize, blendmapsize);
float *ptr = blendmap->getBlendPointer();
Ogre::uint8 *data = static_cast<Ogre::uint8*>(img.getPixelBox().data);
for(int bp = 0;bp < blendmapsize * blendmapsize;bp++)
ptr[bp] = static_cast<float>(data[bp]) / 255.0f;
blendmap->dirty();
blendmap->update();
}
}
bool ShadowUpdateTask::executeTaskInMainThread()
{
if (!mPageGeometries.empty()) {
auto pageGeometry = mPageGeometries.back();
mPageGeometries.pop_back();
auto& page = pageGeometry->getPage();
if (page.getSurface()) {
auto shadow = page.getSurface()->getShadow();
if (shadow) {
auto& shadowTextureName = shadow->getShadowTextureName();
if (!shadowTextureName.empty()) {
Ogre::TexturePtr texture = Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (texture) {
Ogre::Image ogreImage;
shadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
}
}
}
}
}
return mPageGeometries.empty();
}
Ogre::TexturePtr Simple::updateShadowTexture(Ogre::MaterialPtr material, const TerrainPageShadow* terrainPageShadow)
{
//we need an unique name for our alpha texture
std::stringstream shadowTextureNameSS;
shadowTextureNameSS << material->getName() << "_shadow";
const Ogre::String shadowTextureName(shadowTextureNameSS.str());
Ogre::TexturePtr texture = static_cast<Ogre::TexturePtr> (Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName));
if (texture.isNull()) {
texture = Ogre::Root::getSingletonPtr()->getTextureManager()->createManual(shadowTextureName, "General", Ogre::TEX_TYPE_2D, mPage.getAlphaTextureSize(), mPage.getAlphaTextureSize(), 1, Ogre::PF_L8, Ogre::TU_DYNAMIC_WRITE_ONLY);
}
Ogre::Image ogreImage;
terrainPageShadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
return texture;
}
//-----------------------------------------------------------------------------------------
void CTerrainGroupEditor::importFullTerrainFromHeightMap()
{
UTFStringVector extlist;
extlist.push_back(OTR("PNG Grayscale"));
extlist.push_back("*.png");
extlist.push_back(OTR("Raw 32bit Float File"));
extlist.push_back("*.raw;*.ohm;*.f32;*.r32");
Ogre::UTFString defaultPath = mSystem->GetSetting("system", "ExportTerrainPath", "");
Ogre::String filename = mSystem->DisplayOpenDialog(OTR("Import Heightmap"), extlist, defaultPath);
if(filename == "")
return;
mSystem->SetSetting("system", "ExportTerrainPath", OgitorsUtils::ExtractFilePath(filename));
Ogre::NameValuePairList params;
if(!mSystem->DisplayImportHeightMapDialog(params))
return;
Ogre::Real fScale = Ogre::StringConverter::parseReal(params["scale"]);
Ogre::Real fBias = Ogre::StringConverter::parseReal(params["bias"]);
Ogre::String normal = params["normal"];
Ogre::String diffuse = params["diffuse"];
bool flipV = Ogre::StringConverter::parseBool(params["inverted"]);
float *data = 0;
float *flipBV = 0;
Ogre::String namePart = OgitorsUtils::ExtractFileName(filename);
namePart.erase(0, namePart.find("."));
int imgW = 0;
int imgH = 0;
if(namePart == ".png")
{
std::fstream fstr(filename.c_str(), std::ios::in|std::ios::binary);
Ogre::DataStreamPtr stream = Ogre::DataStreamPtr(OGRE_NEW Ogre::FileStreamDataStream(&fstr, false));
Ogre::Image img;
img.load(stream);
data = OGRE_ALLOC_T(float, img.getWidth() * img.getHeight(), Ogre::MEMCATEGORY_GEOMETRY);
Ogre::PixelBox pb(img.getWidth(), img.getHeight(), 1, Ogre::PF_FLOAT32_R, data);
Ogre::PixelUtil::bulkPixelConversion(img.getPixelBox(), pb);
imgW = img.getWidth();
imgH = img.getHeight();
img.freeMemory();
stream.setNull();
}
/****************************************************************************
**
** Copyright (C) 2016 - 2017
**
** This file is part of the Magus toolkit
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
#include "constants.h"
#include "texturelayer.h"
#include "OgreHlmsPbs.h"
#include "OgreHlmsManager.h"
#include "OgreLogManager.h"
#include "OgreStringConverter.h"
#include <fstream>
#include <ctime>
//****************************************************************************/
TextureLayer::TextureLayer(void) :
mTextureOnWhichIsPaintedWidth(0),
mTextureOnWhichIsPaintedHeight(0),
mTextureOnWhichIsPaintedHasAlpha(false),
mNumMipMaps(0),
mTextureTypeDefined(false),
mMaxSequence(0)
{
mTextureType = Ogre::PBSM_DIFFUSE;
mDatablockId = "";
mTextureFileName = "";
}
//****************************************************************************/
TextureLayer::~TextureLayer(void)
{
}
//****************************************************************************/
void TextureLayer::setDatablockIdAndTexture (const Ogre::IdString& datablockId,
Ogre::PbsTextureTypes textureType,
const Ogre::String& textureFileName)
{
mDatablockId = datablockId;
mTextureType = textureType;
mTextureFileName = textureFileName;
mTextureTypeDefined = true;
// Load the texture as image; assume it can be loaded, because it was already loaded as part of the material
setFirstTextureGeneration();
// Create the pixelbox of the original texture; this MUST be a separate image
mOriginalTexture.load(textureFileName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mPixelboxOriginalTexture = mOriginalTexture.getPixelBox(0, 0);
// Debug texture
//Ogre::LogManager::getSingleton().logMessage("Debug texture: " + textureFileName);
//Ogre::LogManager::getSingleton().logMessage("Depth: " + Ogre::StringConverter::toString(mOriginalTexture.getDepth()));
//Ogre::LogManager::getSingleton().logMessage("Pixel format: " + Ogre::StringConverter::toString(mOriginalTexture.getFormat()));
//Ogre::LogManager::getSingleton().logMessage("Alpha: " + Ogre::StringConverter::toString(mOriginalTexture.getHasAlpha()));
//Ogre::LogManager::getSingleton().logMessage("Height: " + Ogre::StringConverter::toString(mOriginalTexture.getHeight()));
//Ogre::LogManager::getSingleton().logMessage("Number of faces: " + Ogre::StringConverter::toString(mOriginalTexture.getNumFaces()));
//Ogre::LogManager::getSingleton().logMessage("Number of mipmaps: " + Ogre::StringConverter::toString(mOriginalTexture.getNumMipmaps()));
//Ogre::LogManager::getSingleton().logMessage("Width: " + Ogre::StringConverter::toString(mOriginalTexture.getWidth()));
}
//****************************************************************************/
void TextureLayer::blitTexture (void)
{
/* Always get the actual pointers, because they may change. That is the reason why the datablock pointer cannot be cached.
* The same seems to apply to the texture pointer.
*/
Ogre::HlmsDatablock* datablock;
Ogre::HlmsPbsDatablock* datablockPbs;
Ogre::TexturePtr texture;
Ogre::HlmsManager* hlmsManager = Ogre::Root::getSingletonPtr()->getHlmsManager();
Ogre::HlmsPbs* hlmsPbs = static_cast<Ogre::HlmsPbs*>(hlmsManager->getHlms(Ogre::HLMS_PBS));
datablock = hlmsPbs->getDatablock(mDatablockId);
if (!datablock)
return;
datablockPbs = static_cast<Ogre::HlmsPbsDatablock*>(datablock);
try
{
// Get texture on GPU
if (!datablockPbs->getTexture(mTextureType).isNull())
{
texture = datablockPbs->getTexture(mTextureType); // TextureType MUST exist, otherwise the application crashes
mNumMipMaps = texture->getNumMipmaps();
}
}
catch (Ogre::Exception e){}
if (texture.isNull())
return;
Ogre::uint8 maxMipMaps = mNumMipMaps + 1; // Increase with one, because there is always one image to blit
maxMipMaps = maxMipMaps > PAINT_MAX_MIP_MAPS ? PAINT_MAX_MIP_MAPS : maxMipMaps; // Just paint a few mipmaps (not all)
Ogre::Image textureOnWhichIsPaintedScaled = mTextureOnWhichIsPainted; // Temporary image must be used, otherwise painting doesn't work
size_t w = mTextureOnWhichIsPaintedWidth;
size_t h = mTextureOnWhichIsPaintedHeight;
Ogre::v1::HardwarePixelBuffer* buffer;
for (Ogre::uint8 i = 0; i < maxMipMaps; ++i)
{
buffer = texture->getBuffer(0, i).getPointer();
buffer->blitFromMemory(textureOnWhichIsPaintedScaled.getPixelBox(0, 0), Ogre::Box(0, 0, 0, w, h, 1));
w*=0.5f; // Mipmaps always are half of the previous one
h*=0.5f;
if (w < 1.0f || h < 1.0f)
break; // Stop when the mipmaps are too small
textureOnWhichIsPaintedScaled.resize(w, h);
}
textureOnWhichIsPaintedScaled.freeMemory();
}
/// _Tool_ tex ..........................
// (remove alpha channel for ter tex prv img)
void App::ToolTexAlpha()
{
Ogre::Image im;
im.load("jungle_5d.png", "General");
PixelBox pb = im.getPixelBox();
int w = pb.getWidth(), h = pb.getHeight();
for(int j=0; j < h; ++j)
for(int i=0; i < w; ++i)
{
ColourValue c = pb.getColourAt(i,j,0);
c.a = 1.f;
pb.setColourAt(c,i,j,0);
}
im.save(PATHMANAGER::Data()+"/prv.png");
}
//-----------------------------------------------------------------------------------------
void CTerrainGroupEditor::setBrushName(const std::string& brush)
{
mBrushName = brush;
if(!mDecalTexture.isNull())
{
Ogre::Image img;
img.load(brush,"Brushes");
unsigned char *dataptr = OGRE_ALLOC_T(unsigned char, img.getWidth() * img.getHeight() * 3, Ogre::MEMCATEGORY_GEOMETRY);
Ogre::PixelBox resultbox(img.getWidth(),img.getHeight(),1,Ogre::PF_B8G8R8,dataptr);
Ogre::PixelUtil::bulkPixelConversion(img.getPixelBox(), resultbox);
resultbox.setConsecutive();
int pos = 0;
Ogre::ColourValue colval;
for(unsigned int x = 0;x < img.getHeight() * img.getWidth();x++)
{
dataptr[pos] = 0;
dataptr[pos + 1] = 0;
dataptr[pos + 2] *= 0.8f;
pos += 3;
}
mDecalTexture->setHeight(img.getHeight());
mDecalTexture->setWidth(img.getWidth());
Ogre::HardwarePixelBufferSharedPtr ptr = mDecalTexture->getBuffer();
ptr->blitFromMemory(resultbox);
OGRE_FREE(dataptr, Ogre::MEMCATEGORY_GEOMETRY);
img.resize(mBrushSize, mBrushSize);
img.resize(BRUSH_DATA_SIZE, BRUSH_DATA_SIZE);
pos = 0;
Ogre::ColourValue cval;
for(unsigned int y = 0;y < BRUSH_DATA_SIZE ;y++)
{
pos = ((BRUSH_DATA_SIZE - 1) - y) * BRUSH_DATA_SIZE;
for(unsigned int x = 0;x < BRUSH_DATA_SIZE ;x++)
{
cval = img.getColourAt(x,y,0);
mBrushData[pos] = cval.r;
pos++;
}
}
}
void DotSceneLoader::processBlendmaps(rapidxml::xml_node<>* XMLNode)
{
int pageX = Ogre::StringConverter::parseInt(XMLNode->first_attribute("pageX")->value());
int pageY = Ogre::StringConverter::parseInt(XMLNode->first_attribute("pageY")->value());
Ogre::String filename = mTerrainGroup->generateFilename(pageX, pageY);
// skip this is terrain page has been saved already
if (!Ogre::ResourceGroupManager::getSingleton().resourceExists(mTerrainGroup->getResourceGroup(), filename))
{
rapidxml::xml_node<>* pElement;
// Process blendmaps (*)
std::vector<Ogre::String> blendMaps;
rapidxml::xml_node<>* pBlendmap;
pElement = XMLNode->first_node("blendMaps");
pBlendmap = pElement->first_node("blendMap");
while(pBlendmap)
{
blendMaps.push_back(getAttrib(pBlendmap, "texture",""));
pBlendmap = pBlendmap->next_sibling("blendMap");
}
for(int j = 1;j < mTerrainGroup->getTerrain(pageX, pageY)->getLayerCount();j++)
{
Ogre::TerrainLayerBlendMap *blendmap = mTerrainGroup->getTerrain(pageX, pageY)->getLayerBlendMap(j);
Ogre::Image img;
img.load(blendMaps[j-1],"General");
int blendmapsize = mTerrainGroup->getTerrain(pageX, pageY)->getLayerBlendMapSize();
if(img.getWidth() != blendmapsize)
img.resize(blendmapsize, blendmapsize);
float *ptr = blendmap->getBlendPointer();
Ogre::uint8 *data = static_cast<Ogre::uint8*>(img.getPixelBox().data);
for(int bp = 0;bp < blendmapsize * blendmapsize;bp++)
ptr[bp] = static_cast<float>(data[bp]) / 255.0f;
blendmap->dirty();
blendmap->update();
}
}
}
//----------------------------------------------------------------------------------------
QImage ImageConverter::fromOgreImage(const Ogre::Image& image)
{
if (!Ogre::PixelUtil::isAccessible(image.getFormat()))
return _imageFromRenderTarget(image);
size_t size = Ogre::PixelUtil::getMemorySize(mWidth, mHeight, 1, Ogre::PF_A8R8G8B8);
unsigned char *dataptr = OGRE_ALLOC_T(unsigned char, size, Ogre::MEMCATEGORY_GENERAL);
Ogre::PixelBox pixbox(mWidth, mHeight, 1, Ogre::PF_A8R8G8B8, dataptr);
Ogre::Image::scale(image.getPixelBox(), pixbox);
pixbox.setConsecutive();
QImage shallowImg(dataptr, pixbox.getWidth(), pixbox.getHeight(), QImage::Format_ARGB32);
// perform deep copy otherwise data lost upon freeing dataptr
QImage deepImg = shallowImg.copy();
OGRE_FREE(dataptr, Ogre::MEMCATEGORY_GENERAL);
return deepImg;
}
void Simple::addLightingPass(Ogre::Technique* technique, std::set<std::string>& managedTextures) const
{
Ogre::Pass* lightingPass = technique->createPass();
lightingPass->setSceneBlending(Ogre::SBT_MODULATE);
lightingPass->setLightingEnabled(false);
Ogre::TextureUnitState * textureUnitStateSplat = lightingPass->createTextureUnitState();
//we need an unique name for our alpha texture
std::stringstream lightingTextureNameSS;
lightingTextureNameSS << technique->getParent()->getName() << "_lighting";
const Ogre::String lightingTextureName(lightingTextureNameSS.str());
Ogre::TexturePtr texture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(lightingTextureName));
if (texture.isNull()) {
texture = Ogre::Root::getSingletonPtr()->getTextureManager()->createManual(lightingTextureName, "General", Ogre::TEX_TYPE_2D, mPage.getBlendMapSize(), mPage.getBlendMapSize(), 1, Ogre::PF_L8, Ogre::TU_DYNAMIC_WRITE_ONLY);
managedTextures.insert(texture->getName());
}
Ogre::Image ogreImage;
ogreImage.loadDynamicImage(const_cast<unsigned char*>(mLightingImage->getData()), mLightingImage->getResolution(), mLightingImage->getResolution(), 1, Ogre::PF_L8);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
textureUnitStateSplat->setTextureName(texture->getName());
textureUnitStateSplat->setTextureCoordSet(0);
textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
}
Vector4* SnowTerrain::getTerrainNormalData()
{
PixelBox* terrainNormals;
// load from normals file
if(mSnowConfig->terrainSettings.normalsDataFile.length() > 0)
{
// get terrain normal data using image
Ogre::Image img;
img.load(mSnowConfig->terrainSettings.normalsDataFile, "General");
//img.flipAroundY();
//img.flipAroundX();
size_t size = img.getWidth();
assert(img.getWidth() == img.getHeight());
if (img.getWidth() != mTerrainSize || img.getHeight() != mTerrainSize)
img.resize(mTerrainSize, mTerrainSize);
terrainNormals = &img.getPixelBox();
Vector4* floats = convertNormalsToFloats(terrainNormals, true);
//OGRE_FREE(terrainNormals->data, Ogre::MEMCATEGORY_GENERAL);
// need to swap z and y vector due to different vertical axis in normal map and world space!
for(size_t i = 0;i<mTerrainSize*mTerrainSize;i++)
{
Vector4 v = floats[i];
floats[i].z = v.y;
floats[i].y = v.z;
}
return floats;
}
else
{
// need to wait until terrain is loaded
while (getTerrain()->isDerivedDataUpdateInProgress())
{
// we need to wait for this to finish
OGRE_THREAD_SLEEP(50);
Root::getSingleton().getWorkQueue()->processResponses();
}
// Get terrain normal data using official method
//terrainNormals = getTerrain()->calculateNormals(Ogre::Rect(0,0,mTerrainSize,mTerrainSize),Rect(0,0,mTerrainSize,mTerrainSize));
Ogre::Image img;
getTerrain()->getTerrainNormalMap()->convertToImage(img);
//img.flipAroundY();
img.flipAroundX();
//img.save("test_normals.bmp");
terrainNormals = &img.getPixelBox();
Vector4* floats = convertNormalsToFloats(terrainNormals, true);
//OGRE_FREE(terrainNormals->data, Ogre::MEMCATEGORY_GENERAL);
return floats;
}
}
int _tmain(int argc, _TCHAR* argv[])
{
// ------------------------- Check for command line argument -------------------------------------------
if (! argv[1])
{
printf("\n");
printf("Missing argument.\nExample: \"Converter.exe job1.cfg\"");
return 0;
}
// ------------------------- Basic Ogre Engine initialization -------------------------------------------
Ogre::Root* root = new Ogre::Root;
Ogre::RenderSystem* rendersys = root->getRenderSystemByName("Direct3D9 Rendering Subsystem");
rendersys->setConfigOption("Full Screen", "No");
rendersys->setConfigOption("Video Mode", "800 x 600 @ 32-bit colour");
root->setRenderSystem(rendersys);
Ogre::ResourceGroupManager::getSingleton().addResourceLocation("resource", "FileSystem", "General");
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
root->initialise(false);
Ogre::RenderWindow* window = root->createRenderWindow("RAW2OGT", 800, 600, false);
Ogre::SceneManager* scenemgr = root->createSceneManager(Ogre::SceneType::ST_GENERIC);
Ogre::Camera* camera = scenemgr->createCamera("camera");
Ogre::Viewport* viewport = window->addViewport(camera);
/*Ogre::Vector3 lightdir(0, -0.3, 0.75);
lightdir.normalise();
Ogre::Light* l = scenemgr->createLight("tstLight");
l->setType(Ogre::Light::LT_DIRECTIONAL);
l->setDirection(lightdir);
l->setDiffuseColour(Ogre::ColourValue(1.0, 1.0, 1.0));
l->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));*/
scenemgr->setAmbientLight(Ogre::ColourValue(0.7, 0.7, 0.7));
// --------------------------------- Start convert ----------------------------------------------------
// Load job config
Ogre::ConfigFile* terrainconfig = OGRE_NEW Ogre::ConfigFile();
terrainconfig->loadDirect(argv[1]);
// Load info from [general] block
Ogre::String heightmapfile = terrainconfig->getSetting("heightmap", "general");
Ogre::Real heightmapscale = Ogre::StringConverter::parseReal(terrainconfig->getSetting("heightmapscale", "general"));
Ogre::Real heightmapoffset = Ogre::StringConverter::parseReal(terrainconfig->getSetting("heightmapoffset", "general"));
Ogre::uint16 terrainsize = Ogre::StringConverter::parseUnsignedInt(terrainconfig->getSetting("terrainsize", "general"));
Ogre::Real worldsize = Ogre::StringConverter::parseReal(terrainconfig->getSetting("worldsize", "general"));
Ogre::uint16 layercount = Ogre::StringConverter::parseUnsignedInt(terrainconfig->getSetting("layercount", "general"));
// initialise stream to heightmapfile
Ogre::DataStreamPtr stream = Ogre::ResourceGroupManager::getSingleton().openResource(heightmapfile, "General");
size_t size = stream.get()->size();
// verify size
if(size != terrainsize * terrainsize * 4)
OGRE_EXCEPT( Ogre::Exception::ERR_INTERNAL_ERROR, "Size of stream does not match terrainsize!", "TerrainPage" );
// load to buffer
float* buffer = OGRE_ALLOC_T(float, size, Ogre::MEMCATEGORY_GENERAL);
stream->read(buffer, size);
// apply scale and offset
for(int i=0;i<terrainsize*terrainsize;i++)
{
buffer[i] = (buffer[i] + heightmapoffset) * heightmapscale;
}
// Terrain initialization
Ogre::TerrainGlobalOptions* terrainglobals = OGRE_NEW Ogre::TerrainGlobalOptions();
terrainglobals->setMaxPixelError(1);
//terrainglobals->setCompositeMapDistance(30000);
//terrainglobals->setLightMapDirection(lightdir);
//terrainglobals->setCompositeMapAmbient(scenemgr->getAmbientLight());
//terrainglobals->setCompositeMapDiffuse(l->getDiffuseColour());
Ogre::TerrainMaterialGeneratorA::SM2Profile* pMatProfile =
static_cast<Ogre::TerrainMaterialGeneratorA::SM2Profile*>(terrainglobals->getDefaultMaterialGenerator()->getActiveProfile());
pMatProfile->setLightmapEnabled(false);
pMatProfile->setCompositeMapEnabled(false);
Ogre::TerrainGroup* terraingroup = OGRE_NEW Ogre::TerrainGroup(scenemgr, Ogre::Terrain::ALIGN_X_Z, terrainsize, worldsize);
terraingroup->setFilenameConvention(Ogre::String("terrain"), Ogre::String("ogt"));
terraingroup->setOrigin(Ogre::Vector3::ZERO);
Ogre::Terrain* terrain = OGRE_NEW Ogre::Terrain(scenemgr);
// terrainsettings
Ogre::Terrain::ImportData& imp = terraingroup->getDefaultImportSettings();
imp.terrainSize = terrainsize;
imp.worldSize = worldsize;
imp.minBatchSize = 33;
imp.maxBatchSize = 65;
// use float RAW heightmap as input
imp.inputFloat = buffer;
// process texture layers
imp.layerList.resize(layercount);
Ogre::StringVector blendmaps(layercount);
for(int i=0;i<layercount;i++)
{
// load layer info
Ogre::String sectionStr = Ogre::StringConverter::toString(i);
Ogre::Real layerworldsize = Ogre::StringConverter::parseReal(terrainconfig->getSetting("worldsize", sectionStr));
if (i==0)
{
// no blendmap at layer 0 (baselayer)
Ogre::String specular = terrainconfig->getSetting("specular", sectionStr);
Ogre::String normal = terrainconfig->getSetting("normal", sectionStr);
// add layer
imp.layerList[i].textureNames.push_back(specular);
imp.layerList[i].textureNames.push_back(normal);
imp.layerList[i].worldSize = layerworldsize;
}
else
{
Ogre::String specular = terrainconfig->getSetting("specular", sectionStr);
Ogre::String normal = terrainconfig->getSetting("normal", sectionStr);
Ogre::String blend = terrainconfig->getSetting("blend", sectionStr);
// add layer
imp.layerList[i].textureNames.push_back(specular);
imp.layerList[i].textureNames.push_back(normal);
imp.layerList[i].worldSize = layerworldsize;
blendmaps[i] = blend;
}
}
// load the terrain
terrain->prepare(imp);
terrain->load();
// load those blendmaps into the layers
for(int j = 1;j < terrain->getLayerCount();j++)
{
Ogre::TerrainLayerBlendMap *blendmap = terrain->getLayerBlendMap(j);
Ogre::Image img;
img.load(blendmaps[j],"General");
int blendmapsize = terrain->getLayerBlendMapSize();
if(img.getWidth() != blendmapsize)
img.resize(blendmapsize, blendmapsize);
float *ptr = blendmap->getBlendPointer();
Ogre::uint8 *data = static_cast<Ogre::uint8*>(img.getPixelBox().data);
for(int bp = 0;bp < blendmapsize * blendmapsize;bp++)
ptr[bp] = static_cast<float>(data[bp]) / 255.0f;
blendmap->dirty();
blendmap->update();
}
// create filename for writing
int pos = heightmapfile.find_last_of('.');
if (pos < 0)
heightmapfile = heightmapfile + ".ogt";
else
heightmapfile = heightmapfile.substr(0, pos) + ".ogt";
// save as Ogre .OGT
terrain->save(heightmapfile);
Ogre::LogManager::getSingletonPtr()->logMessage(Ogre::LogMessageLevel::LML_NORMAL, heightmapfile + " successfully written.");
// debug viewing (exit with CTRL+C)
camera->setPosition(-terrainsize, 7000, -terrainsize);
camera->lookAt(terrainsize/2,0,terrainsize/2);
root->startRendering();
return 0;
}
// void TerrainPageSurfaceCompiler::addTextureUnitsToPass(Ogre::Pass* pass, const Ogre::String& splatTextureName) {
//
// if (getMaxTextureUnits() - pass->getNumTextureUnitStates() < 2 || pass->getParent()->getNumPasses() > 1) {
// addPassToTechnique(pass->getParent(), splatTextureName);
// // S_LOG_WARNING("Trying to add texture units to pass with too few available texture unit states.");
// return;
// }
//
// S_LOG_VERBOSE("Adding new texture unit (detailtexture: " << mTextureName << " alphatexture: " << splatTextureName << ") to pass nr " << pass->getIndex() << " in technique for material " << pass->getParent()->getParent()->getName());
//
// /* pass->setSelfIllumination(Ogre::ColourValue(1,1,1));
// pass->setAmbient(Ogre::ColourValue(1,1,1));
// pass->setDiffuse(Ogre::ColourValue(1,1,1));
// pass->setLightingEnabled(true);*/
// Ogre::TextureUnitState * textureUnitStateSplat = pass->createTextureUnitState();
// textureUnitStateSplat->setTextureName(splatTextureName);
//
// textureUnitStateSplat->setTextureCoordSet(0);
// textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
// textureUnitStateSplat->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE);
// textureUnitStateSplat->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT);
// textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
// // textureUnitStateSplat->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE);
// // textureUnitStateSplat->setColourOperationEx(Ogre::LBX_BLEND_TEXTURE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE);
//
// Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState();
// textureUnitState->setTextureName(mTextureName);
// textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
// /* textureUnitState->setTextureCoordSet(0);*/
// textureUnitState->setTextureScale(0.025, 0.025);
// textureUnitState->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);
//
// /* Ogre::TextureUnitState * alphaTextureState= pass->createTextureUnitState();
// alphaTextureState->setTextureName(mTextureName);
// // alphaTextureState->setTextureName(splatTextureName);
// alphaTextureState->setTextureCoordSet(0);
// alphaTextureState->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
// alphaTextureState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
// alphaTextureState->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE);
//
//
//
// // detailTextureState->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE);
// // detailTextureState->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT);
//
// Ogre::TextureUnitState * detailTextureState = pass->createTextureUnitState();
// detailTextureState ->setTextureName(splatTextureName);
// // detailTextureState ->setTextureName(mTextureName);
// detailTextureState ->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
// detailTextureState ->setTextureCoordSet(0);
// detailTextureState ->setTextureScale(0.01, 0.01);
// //detailTextureState ->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);*/
//
// }
//
Ogre::Pass* Simple::addPassToTechnique(const TerrainPageGeometry& geometry, Ogre::Technique* technique, const Layer& layer, std::set<std::string>& managedTextures) const
{
//check if we instead can reuse the existing pass
// if (technique->getNumPasses() != 0) {
// Ogre::Pass* pass = technique->getPass(technique->getNumPasses() - 1);
// if (4 - pass->getNumTextureUnitStates() >= 2) {
// //there's more than two texture units available, use those instead of creating a new pass
// S_LOG_VERBOSE("Reusing existing pass. ("<< pass->getNumTextureUnitStates() << " of "<< mNumberOfTextureUnitsOnCard << " texture unit used)");
// addTextureUnitsToPass(pass, splatTextureName);
// return pass;
// }
//
// }
const OgreImage& ogreImage = *layer.blendMap;
Ogre::Image image;
image.loadDynamicImage(const_cast<unsigned char*>(ogreImage.getData()), ogreImage.getResolution(), ogreImage.getResolution(), 1, Ogre::PF_A8);
std::stringstream splatTextureNameSS;
splatTextureNameSS << "terrain_" << mPage.getWFPosition().x() << "_" << mPage.getWFPosition().y() << "_" << technique->getNumPasses();
const Ogre::String splatTextureName(splatTextureNameSS.str());
Ogre::TexturePtr blendMapTexture;
if (Ogre::Root::getSingletonPtr()->getTextureManager()->resourceExists(splatTextureName)) {
blendMapTexture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(splatTextureName));
blendMapTexture->loadImage(image);
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(blendMapTexture->getBuffer());
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(image.getPixelBox());
hardwareBuffer->blitFromMemory(sourceBox);
} else {
blendMapTexture = Ogre::Root::getSingletonPtr()->getTextureManager()->loadImage(splatTextureName, "General", image, Ogre::TEX_TYPE_2D, 0);
managedTextures.insert(blendMapTexture->getName());
}
//we need to create the image, update it and then destroy it again (to keep the memory usage down)
// if (layer->getBlendMapTextureName() == "") {
// //no texture yet; let's create one
// layer->createBlendMapImage();
// layer->updateBlendMapImage(geometry);
// layer->createTexture();
// } else {
// //a texture exists, so we just need to update the image
// layer->updateBlendMapImage(geometry); //calling this will also update the texture since the method will blit the image onto it
// }
Ogre::Pass* pass = technique->createPass();
pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
pass->setAmbient(1, 1, 1);
pass->setDiffuse(1, 1, 1, 1);
pass->setLightingEnabled(false);
Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState();
textureUnitState->setTextureName(layer.surfaceLayer.getDiffuseTextureName());
textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
textureUnitState->setTextureCoordSet(0);
textureUnitState->setTextureScale(1.0f / layer.surfaceLayer.getScale(), 1.0f / layer.surfaceLayer.getScale());
Ogre::TextureUnitState * textureUnitStateSplat = pass->createTextureUnitState();
textureUnitStateSplat->setTextureName(blendMapTexture->getName());
textureUnitStateSplat->setTextureCoordSet(0);
textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
// textureUnitStateSplat->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE);
textureUnitStateSplat->setAlphaOperation(Ogre::LBX_BLEND_DIFFUSE_COLOUR, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);
textureUnitStateSplat->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT);
return pass;
}
//------------------------------------------------------
void TextureAtlas::build() {
if (!mIsDirty)
return;
bool fitted;
size_t area = 0;
// build the fonts (if this didn't happen already)
// so we'll be sure the glyphs are there to be atlassed
FontSet::iterator fit = mMyFonts.begin();
while (fit != mMyFonts.end()) {
FontDrawSource* fdsp = *fit++;
if (!fdsp->isBuilt())
fdsp->build();
}
// First, we sort by size of the DrawSource
mMyDrawSources.sort(DrawSourceLess());
// now try to allocate all the draw sources. If we fail, grow and try again
do {
fitted = true;
area = 0;
// try to fit
DrawSourceList::iterator it = mMyDrawSources.begin();
while (it != mMyDrawSources.end()) {
const DrawSourcePtr& ds = *it++;
const PixelSize& ps = ds->getPixelSize();
area += ps.getPixelArea();
LOG_VERBOSE("TextureAtlas: (%s) Trying to place %d x %d (%d -> %d)", mAtlasName.c_str(), ps.width, ps.height, ps.getPixelArea(), area);
// try to allocate
FreeSpaceInfo* fsi = mAtlasAllocation->allocate(ps.width, ps.height);
if (fsi) {
ds->setPlacementPtr(fsi);
} else {
fitted = false;
break;
}
}
// fitted?
if (!fitted) // nope - Enlarge!
enlarge(area);
} while (!fitted);
LOG_INFO("TextureAtlas: (%s) Creating atlas with dimensions %d x %d", mAtlasName.c_str(), mAtlasSize.width, mAtlasSize.height);
if (mTexture.isNull())
prepareResources();
// TODO: Reallocate the texture here if needed!
Ogre::HardwarePixelBufferSharedPtr pixelBuffer = mTexture->getBuffer();
pixelBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD);
const Ogre::PixelBox& targetBox = pixelBuffer->getCurrentLock();
size_t pixelsize = Ogre::PixelUtil::getNumElemBytes(targetBox.format);
size_t rowsize = targetBox.rowPitch * pixelsize;
Ogre::uint8* dstData = static_cast<Ogre::uint8*>(targetBox.data);
// We'll iterate over all draw sources, painting the pixels onto the allocated space
DrawSourceList::iterator it = mMyDrawSources.begin();
while (it != mMyDrawSources.end()) {
const DrawSourcePtr& ds = *it++;
// render all pixels into the right place
FreeSpaceInfo* fsi = reinterpret_cast<FreeSpaceInfo*>(ds->getPlacementPtr());
assert(fsi);
// render into the specified place
unsigned char* conversionBuf = NULL;
const PixelSize& dps = ds->getPixelSize();
Ogre::Image* img = ds->getImage();
Ogre::PixelBox srcPixels = img->getPixelBox();
// convert if the source data don't match
if(img->getFormat() != Ogre::PF_BYTE_BGRA) {
conversionBuf = new unsigned char[img->getWidth() * img->getHeight() * pixelsize];
Ogre::PixelBox convPixels(Ogre::Box(0, 0, dps.width, dps.height), Ogre::PF_BYTE_BGRA, conversionBuf);
Ogre::PixelUtil::bulkPixelConversion(srcPixels, convPixels);
srcPixels = convPixels;
}
size_t srcrowsize = srcPixels.rowPitch * pixelsize;
Ogre::uint8* srcData = static_cast<Ogre::uint8*>(srcPixels.data);
// TODO: we're always handling 32bit data, so we could as well transfer 4 bytes each iteration instead of one (speedup)
for(size_t row = 0; row < dps.height; row++) {
for(size_t col = 0; col < srcrowsize; col++) {
dstData[((row + fsi->y) * rowsize) + (fsi->x * pixelsize) + col] =
srcData[(row * srcrowsize) + col];
}
}
delete[] conversionBuf;
// Convert the full draw source pixel coordinates to the atlas contained ones (initializes the texturing coordinates transform)
ds->atlas(mMaterial, fsi->x, fsi->y, mAtlasSize.width, mAtlasSize.height);
}
// for debug, write the texture to a file
/*unsigned char *readrefdata = static_cast<unsigned char*>(targetBox.data);
Ogre::Image img;
img = img.loadDynamicImage (readrefdata, mTexture->getWidth(),
mTexture->getHeight(), mTexture->getFormat());
img.save(mAtlasName + ".png");*/
// and close the pixel buffer of the atlas at the end
pixelBuffer->unlock();
mIsDirty = false;
}
void GlobalMap::exploreCell(int cellX, int cellY)
{
float originX = static_cast<float>((cellX - mMinX) * mCellSize);
// NB y + 1, because we want the top left corner, not bottom left where the origin of the cell is
float originY = static_cast<float>(mHeight - (cellY + 1 - mMinY) * mCellSize);
if (cellX > mMaxX || cellX < mMinX || cellY > mMaxY || cellY < mMinY)
return;
Ogre::TexturePtr localMapTexture = Ogre::TextureManager::getSingleton().getByName("Cell_"
+ boost::lexical_cast<std::string>(cellX) + "_" + boost::lexical_cast<std::string>(cellY));
if (!localMapTexture.isNull())
{
int mapWidth = localMapTexture->getWidth();
int mapHeight = localMapTexture->getHeight();
mOverlayTexture->load();
mOverlayTexture->getBuffer()->blit(localMapTexture->getBuffer(), Ogre::Image::Box(0,0,mapWidth,mapHeight),
Ogre::Image::Box(static_cast<Ogre::uint32>(originX), static_cast<Ogre::uint32>(originY),
static_cast<Ogre::uint32>(originX + mCellSize), static_cast<Ogre::uint32>(originY + mCellSize)));
Ogre::Image backup;
std::vector<Ogre::uchar> data;
data.resize(mCellSize*mCellSize*4, 0);
backup.loadDynamicImage(&data[0], mCellSize, mCellSize, Ogre::PF_A8B8G8R8);
localMapTexture->getBuffer()->blitToMemory(Ogre::Image::Box(0,0,mapWidth,mapHeight), backup.getPixelBox());
for (int x=0; x<mCellSize; ++x)
for (int y=0; y<mCellSize; ++y)
{
assert (originX+x < mOverlayImage.getWidth());
assert (originY+y < mOverlayImage.getHeight());
assert (x < int(backup.getWidth()));
assert (y < int(backup.getHeight()));
mOverlayImage.setColourAt(backup.getColourAt(x, y, 0), static_cast<size_t>(originX + x), static_cast<size_t>(originY + y), 0);
}
}
}
void
Terrain::_createAtlasPixmap(size_t pixmapId)
{
const TerrainData::Pixmap& pixmap = mData->mPixmaps[pixmapId];
size_t textureId = pixmap.textureId;
assert(textureId < mData->mTextures.size());
const Ogre::String& textureName = mData->mTextures[textureId];
// If the atlas texture already exist, use it.
AtlasArray::const_iterator it;
for (it = mAtlases.begin(); it != mAtlases.end(); ++it)
{
if (it->texture->getName() == textureName)
break;
}
if (it != mAtlases.end())
{
// Fill up atlas pixmap info
size_t atlasId = it - mAtlases.begin() + 1;
mAtlasPixmaps[pixmapId].atlasId = atlasId;
mAtlasPixmaps[pixmapId].left = pixmap.left;
mAtlasPixmaps[pixmapId].top = pixmap.top;
mAtlasPixmaps[pixmapId].right = pixmap.right;
mAtlasPixmaps[pixmapId].bottom = pixmap.bottom;
return;
}
// If texture already loaded and is composited, use it without any modify.
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().getByName(textureName);
if (!texture.isNull() &&
(texture->getWidth() > mAtlasPixmapSize || texture->getHeight() > mAtlasPixmapSize))
{
mAtlases.push_back(Atlas());
Atlas& atlas = mAtlases.back();
atlas.texture = texture;
// Fill up atlas pixmap info
size_t atlasId = mAtlases.size();
mAtlasPixmaps[pixmapId].atlasId = atlasId;
mAtlasPixmaps[pixmapId].left = pixmap.left;
mAtlasPixmaps[pixmapId].top = pixmap.top;
mAtlasPixmaps[pixmapId].right = pixmap.right;
mAtlasPixmaps[pixmapId].bottom = pixmap.bottom;
return;
}
// Load the image
Ogre::Image image;
image.load(textureName, BRUSH_RESOURCE_GROUP_NAME);
// If the image is composited, use it without any modify.
if (image.getWidth() > mAtlasPixmapSize || image.getHeight() > mAtlasPixmapSize)
{
mAtlases.push_back(Atlas());
Atlas& atlas = mAtlases.back();
// re-use the loaded image avoid load it again
atlas.texture =
Ogre::TextureManager::getSingleton()
.loadImage(textureName, BRUSH_RESOURCE_GROUP_NAME, image);
// Fill up atlas pixmap info
size_t atlasId = mAtlases.size();
mAtlasPixmaps[pixmapId].atlasId = atlasId;
mAtlasPixmaps[pixmapId].left = pixmap.left;
mAtlasPixmaps[pixmapId].top = pixmap.top;
mAtlasPixmaps[pixmapId].right = pixmap.right;
mAtlasPixmaps[pixmapId].bottom = pixmap.bottom;
return;
}
// Composite into the atlas texture.
bool isTransparent = image.getHasAlpha();
AtlasAllocInfo& allocInfo = isTransparent ? mTransparentAtlasAllocInfo : mSolidAtlasAllocInfo;
if (allocInfo.blockId >= mMaxAtlasBlockId)
{
// Use special name to avoid confuse with other reference with this texture
Ogre::String atlasName = "<Terrain/Atlas>:" + Ogre::StringConverter::toString(mAtlases.size());
mAtlases.push_back(Atlas());
Atlas& atlas = mAtlases.back();
Ogre::PixelFormat pixelFormat = isTransparent ? Ogre::PF_A8R8G8B8 : Ogre::PF_X8R8G8B8;
atlas.image.bind(new Ogre::Image);
atlas.image->loadDynamicImage(0, mAtlasTextureSize, mAtlasTextureSize, 1, pixelFormat, true, 1, mAtlasNumMipMaps);
memset(atlas.image->getData(), 0, atlas.image->getSize());
atlas.texture =
Ogre::TextureManager::getSingleton().createManual(atlasName,
BRUSH_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D,
atlas.image->getWidth(), atlas.image->getHeight(),
mAtlasNumMipMaps, atlas.image->getFormat(),
Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE,
this);
allocInfo.atlasId = mAtlases.size();
allocInfo.blockId = 0;
}
// Copy origin pixmap to atlas image
Atlas& atlas = mAtlases[allocInfo.atlasId - 1];
int blockX = allocInfo.blockId % mAtlasBlockSize;
int blockY = allocInfo.blockId / mAtlasBlockSize;
Ogre::PixelBox dst = atlas.image->getPixelBox().getSubVolume(Ogre::Box(
blockX * mAtlasPixmapSize,
blockY * mAtlasPixmapSize,
blockX * mAtlasPixmapSize + mAtlasPixmapSize,
blockY * mAtlasPixmapSize + mAtlasPixmapSize));
Ogre::PixelBox src = image.getPixelBox().getSubVolume(Ogre::Box(
fast_ifloor(pixmap.left * image.getWidth() + 0.5f),
fast_ifloor(pixmap.top * image.getHeight() + 0.5f),
fast_ifloor(pixmap.right * image.getWidth() + 0.5f),
fast_ifloor(pixmap.bottom * image.getHeight() + 0.5f)));
if (src.getWidth() == mAtlasPixmapSize && src.getHeight() == mAtlasPixmapSize)
Ogre::PixelUtil::bulkPixelConversion(src, dst);
else
Ogre::Image::scale(src, dst);
// Generate mipmaps manual
for (size_t mipmap = 1; mipmap <= mAtlasNumMipMaps; ++mipmap)
{
src = dst;
size_t pixmapSize = mAtlasPixmapSize >> mipmap;
dst = atlas.image->getPixelBox(0, mipmap).getSubVolume(Ogre::Box(
blockX * pixmapSize,
blockY * pixmapSize,
blockX * pixmapSize + pixmapSize,
blockY * pixmapSize + pixmapSize));
Ogre::Image::scale(src, dst);
}
// Notify that the atlas texture need to reload
if (atlas.texture->isLoaded())
atlas.texture->unload();
++allocInfo.blockId;
// Fill up atlas pixmap info
mAtlasPixmaps[pixmapId].atlasId = allocInfo.atlasId;
mAtlasPixmaps[pixmapId].left = blockX * mAtlasBlockTexCoordInc + 0.5f / mAtlasTextureSize;
mAtlasPixmaps[pixmapId].top = blockY * mAtlasBlockTexCoordInc + 0.5f / mAtlasTextureSize;
mAtlasPixmaps[pixmapId].right = mAtlasPixmaps[pixmapId].left + mAtlasBlockTexCoordInc - 1.0f / mAtlasTextureSize;
mAtlasPixmaps[pixmapId].bottom = mAtlasPixmaps[pixmapId].top + mAtlasBlockTexCoordInc - 1.0f / mAtlasTextureSize;
}
