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Code Issues Releases Wiki Activity

added a bilboard with the Cell coord. Can't be toggled off yet, and no clean up too.

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gus 2014-07-21 18:35:51 +02:00
parent 1ce60fa13b
commit f8019b4a97
1 changed files with 235 additions and 0 deletions
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235
apps/opencs/view/render/pagedworldspacewidget.cpp
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@ -4,12 +4,192 @@
#include <sstream>
#include <OgreCamera.h>
#include <OgreTextureManager.h>
#include <OgreTechnique.h>
#include <OgreMaterialManager.h>
#include <OgreBillboardSet.h>
#include <OgreBillboard.h>
#include <Overlay/OgreFontManager.h>
#include <OgreHardwarePixelBuffer.h>
#include <OgreSceneManager.h>
#include <OgreSceneNode.h>
#include <QtGui/qevent.h>
#include "../../model/world/tablemimedata.hpp"
#include "../../model/world/idtable.hpp"
void WriteToTexture(const Ogre::String &str, Ogre::TexturePtr destTexture, Ogre::Image::Box destRectangle, Ogre::Font* font, const Ogre::ColourValue &color, char justify = 'l', bool wordwrap = true)
{
using namespace Ogre;
if (destTexture->getHeight() < destRectangle.bottom)
destRectangle.bottom = destTexture->getHeight();
if (destTexture->getWidth() < destRectangle.right)
destRectangle.right = destTexture->getWidth();
if (!font->isLoaded())
font->load();
TexturePtr fontTexture = (TexturePtr)TextureManager::getSingleton().getByName(font->getMaterial()->getTechnique(0)->getPass(0)->getTextureUnitState(0)->getTextureName());
HardwarePixelBufferSharedPtr fontBuffer = fontTexture->getBuffer();
HardwarePixelBufferSharedPtr destBuffer = destTexture->getBuffer();
PixelBox destPb = destBuffer->lock(destRectangle, HardwareBuffer::HBL_NORMAL);
// The font texture buffer was created write only...so we cannot read it back :o). One solution is to copy the buffer instead of locking it. (Maybe there is a way to create a font texture which is not write_only ?)
// create a buffer
size_t nBuffSize = fontBuffer->getSizeInBytes();
uint8* buffer = (uint8*)calloc(nBuffSize, sizeof(uint8));
// create pixel box using the copy of the buffer
PixelBox fontPb(fontBuffer->getWidth(), fontBuffer->getHeight(), fontBuffer->getDepth(), fontBuffer->getFormat(), buffer);
fontBuffer->blitToMemory(fontPb);
uint8* fontData = static_cast<uint8*>(fontPb.data);
uint8* destData = static_cast<uint8*>(destPb.data);
const size_t fontPixelSize = PixelUtil::getNumElemBytes(fontPb.format);
const size_t destPixelSize = PixelUtil::getNumElemBytes(destPb.format);
const size_t fontRowPitchBytes = fontPb.rowPitch * fontPixelSize;
const size_t destRowPitchBytes = destPb.rowPitch * destPixelSize;
Box *GlyphTexCoords;
GlyphTexCoords = new Box[str.size()];
Font::UVRect glypheTexRect;
size_t charheight = 0;
size_t charwidth = 0;
for (unsigned int i = 0; i < str.size(); i++)
{
if ((str[i] != '\t') && (str[i] != '\n') && (str[i] != ' '))
{
glypheTexRect = font->getGlyphTexCoords(str[i]);
GlyphTexCoords[i].left = glypheTexRect.left * fontTexture->getSrcWidth();
GlyphTexCoords[i].top = glypheTexRect.top * fontTexture->getSrcHeight();
GlyphTexCoords[i].right = glypheTexRect.right * fontTexture->getSrcWidth();
GlyphTexCoords[i].bottom = glypheTexRect.bottom * fontTexture->getSrcHeight();
if (GlyphTexCoords[i].getHeight() > charheight)
charheight = GlyphTexCoords[i].getHeight();
if (GlyphTexCoords[i].getWidth() > charwidth)
charwidth = GlyphTexCoords[i].getWidth();
}
}
size_t cursorX = 0;
size_t cursorY = 0;
size_t lineend = destRectangle.getWidth();
bool carriagreturn = true;
for (unsigned int strindex = 0; strindex < str.size(); strindex++)
{
switch (str[strindex])
{
case ' ': cursorX += charwidth; break;
case '\t':cursorX += charwidth * 3; break;
case '\n':cursorY += charheight; carriagreturn = true; break;
default:
{
//wrapping
if ((cursorX + GlyphTexCoords[strindex].getWidth()> lineend) && !carriagreturn)
{
cursorY += charheight;
carriagreturn = true;
}
//justify
if (carriagreturn)
{
size_t l = strindex;
size_t textwidth = 0;
size_t wordwidth = 0;
while ((l < str.size()) && (str[l] != '\n)'))
{
wordwidth = 0;
switch (str[l])
{
case ' ': wordwidth = charwidth; ++l; break;
case '\t': wordwidth = charwidth * 3; ++l; break;
case '\n': l = str.size();
}
if (wordwrap)
while ((l < str.size()) && (str[l] != ' ') && (str[l] != '\t') && (str[l] != '\n'))
{
wordwidth += GlyphTexCoords[l].getWidth();
++l;
}
else
{
wordwidth += GlyphTexCoords[l].getWidth();
l++;
}
if ((textwidth + wordwidth) <= destRectangle.getWidth())
textwidth += (wordwidth);
else
break;
}
if ((textwidth == 0) && (wordwidth > destRectangle.getWidth()))
textwidth = destRectangle.getWidth();
switch (justify)
{
case 'c': cursorX = (destRectangle.getWidth() - textwidth) / 2;
lineend = destRectangle.getWidth() - cursorX;
break;
case 'r': cursorX = (destRectangle.getWidth() - textwidth);
lineend = destRectangle.getWidth();
break;
default: cursorX = 0;
lineend = textwidth;
break;
}
carriagreturn = false;
}
//abort - net enough space to draw
if ((cursorY + charheight) > destRectangle.getHeight())
goto stop;
//draw pixel by pixel
for (size_t i = 0; i < GlyphTexCoords[strindex].getHeight(); i++)
for (size_t j = 0; j < GlyphTexCoords[strindex].getWidth(); j++)
{
float alpha = color.a * (fontData[(i + GlyphTexCoords[strindex].top) * fontRowPitchBytes + (j + GlyphTexCoords[strindex].left) * fontPixelSize + 1] / 255.0);
float invalpha = 1.0 - alpha;
size_t offset = (i + cursorY) * destRowPitchBytes + (j + cursorX) * destPixelSize;
ColourValue pix;
PixelUtil::unpackColour(&pix, destPb.format, &destData[offset]);
pix = (pix * invalpha) + (color * alpha);
PixelUtil::packColour(pix, destPb.format, &destData[offset]);
}
cursorX += GlyphTexCoords[strindex].getWidth();
}//default
}//switch
}//for
stop:
delete[] GlyphTexCoords;
destBuffer->unlock();
// Free the memory allocated for the buffer
free(buffer); buffer = 0;
}
bool CSVRender::PagedWorldspaceWidget::adjustCells()
{
bool modified = false;
@ -59,6 +239,61 @@ bool CSVRender::PagedWorldspaceWidget::adjustCells()
new Cell (mDocument.getData(), getSceneManager(),
iter->getId (mWorldspace))));
//billboard which indicate the Cell coord
Ogre::SceneNode* billboardNode = getSceneManager()->getRootSceneNode()->createChildSceneNode("CellBillboardNode" + iter->getId(mWorldspace));
billboardNode->setPosition(8192 * iter->getX() + 4096, 8192 * iter->getY() + 4096, 0);
Ogre::Font* font;
if (Ogre::FontManager::getSingletonPtr()->getByName("CellBillboardFont" + iter->getId(mWorldspace)).isNull())
{
font = Ogre::FontManager::getSingletonPtr()->create("CellBillboardFont" + iter->getId(mWorldspace), "Data00000001").getPointer();
font->setType(Ogre::FT_TRUETYPE);
font->setSource("Comic.ttf");
font->setTrueTypeSize(256);
font->load();
}
else
{
font = Ogre::FontManager::getSingletonPtr()->getByName("CellBillboardFont" + iter->getId(mWorldspace)).getPointer();
}
//std::
Ogre::TexturePtr texture;
if (Ogre::TextureManager::getSingleton().resourceExists("CellBillboardTexture" + iter->getId(mWorldspace)))
{
texture = Ogre::TextureManager::getSingleton().getByName("CellBillboardTexture" + iter->getId(mWorldspace));
}
else
{
texture = Ogre::TextureManager::getSingleton().createManual("CellBillboardTexture" + iter->getId(mWorldspace), "Data00000001", Ogre::TEX_TYPE_2D, 1024, 512, Ogre::MIP_UNLIMITED, Ogre::PF_X8R8G8B8, Ogre::TU_STATIC | Ogre::TU_AUTOMIPMAP);
WriteToTexture(std::to_string(iter->getX()) + ";" + std::to_string(iter->getY()), texture, Ogre::Image::Box(0, 100, 1024, 512), font, Ogre::ColourValue(1.0, 1.0, 1.0, 1.0), 'c');
}
Ogre::MaterialPtr material;
if (Ogre::MaterialManager::getSingleton().resourceExists("CellBillboardMaterial" + iter->getId(mWorldspace)))
{
material = Ogre::MaterialManager::getSingleton().getByName("CellBillboardMaterial" + iter->getId(mWorldspace));
}
else
{
material = Ogre::MaterialManager::getSingleton().create(
"CellBillboardMaterial" + iter->getId(mWorldspace), // name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
material->getTechnique(0)->getPass(0)->createTextureUnitState("CellBillboardTexture" + iter->getId(mWorldspace));
material->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
material->setDepthCheckEnabled(false);
material->setDepthWriteEnabled(false);
}
Ogre::BillboardSet* mySet = getSceneManager()->createBillboardSet("CellBillboardSet" + iter->getId(mWorldspace));
Ogre::Billboard* myBillboard = mySet->createBillboard(Ogre::Vector3(0, 0, 0));
mySet->setMaterial(material);
myBillboard->setDimensions(4000, 2000);
mySet->setRenderQueueGroup(mySet->getRenderQueueGroup() + 1); // render the bilboard on top
billboardNode->attachObject(mySet);
modified = true;
}
}