315 lines
8.3 KiB
C++
315 lines
8.3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "std3d.h"
|
|
|
|
#include <string>
|
|
//#include <sstream>
|
|
|
|
#include "nel/3d/font_manager.h"
|
|
#include "nel/3d/font_generator.h"
|
|
#include "nel/3d/texture_font.h"
|
|
#include "nel/3d/computed_string.h"
|
|
#include "nel/3d/index_buffer.h"
|
|
#include "nel/3d/material.h"
|
|
#include "nel/misc/smart_ptr.h"
|
|
#include "nel/misc/debug.h"
|
|
|
|
#include "nel/misc/file.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace NL3D {
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
CMaterial* CFontManager::getFontMaterial()
|
|
{
|
|
if (_TexFont == NULL)
|
|
{
|
|
_TexFont = new CTextureFont;
|
|
}
|
|
|
|
if (_MatFont == NULL)
|
|
{
|
|
_MatFont= new CMaterial;
|
|
_MatFont->initUnlit();
|
|
_MatFont->setSrcBlend(CMaterial::srcalpha);
|
|
_MatFont->setDstBlend(CMaterial::invsrcalpha);
|
|
_MatFont->setBlend(true);
|
|
_MatFont->setTexture(0, _TexFont);
|
|
_MatFont->texEnvOpRGB(0, CMaterial::Replace);
|
|
_MatFont->texEnvArg0RGB(0, CMaterial::Diffuse, CMaterial::SrcColor);
|
|
}
|
|
return _MatFont;
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CFontManager::computeString (const std::string &s,
|
|
CFontGenerator *fontGen,
|
|
const NLMISC::CRGBA &color,
|
|
uint32 fontSize,
|
|
IDriver *driver,
|
|
CComputedString &output,
|
|
bool keep800x600Ratio)
|
|
{
|
|
// static to avoid reallocation
|
|
static ucstring ucs;
|
|
ucs= s;
|
|
computeString(ucs, fontGen, color, fontSize, driver, output, keep800x600Ratio);
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CFontManager::computeString (const ucstring &s,
|
|
CFontGenerator *fontGen,
|
|
const NLMISC::CRGBA &color,
|
|
uint32 fontSize,
|
|
IDriver *driver,
|
|
CComputedString &output,
|
|
bool keep800x600Ratio)
|
|
{
|
|
output.Color = color;
|
|
|
|
// resize fontSize if window not of 800x600.
|
|
if (keep800x600Ratio)
|
|
{
|
|
uint32 width, height;
|
|
driver->getWindowSize (width, height);
|
|
if ((height == 0) || (width == 0))
|
|
return;
|
|
|
|
// keep the 800*600 ratio
|
|
fontSize = (uint32)floor(fontSize*height/600.f);
|
|
fontSize = max(fontSize, (uint32)2);
|
|
}
|
|
|
|
// Setting vertices format
|
|
output.Vertices.setNumVertices (4 * (uint32)s.size());
|
|
|
|
// 1 character <-> 1 quad
|
|
sint32 penx = 0, dx;
|
|
sint32 penz = 0, dz;
|
|
float x1, z1, x2, z2;
|
|
float u1, v1, u2, v2;
|
|
CMaterial *pMatFont = getFontMaterial();
|
|
CTextureFont *pTexFont = (CTextureFont*)(pMatFont->getTexture (0));
|
|
float TexRatioW = 1.0f / pTexFont->getWidth();
|
|
float TexRatioH = 1.0f / pTexFont->getHeight();
|
|
/*float hlfPixTexW = 0.5f * TexRatioW;
|
|
float hlfPixTexH = 0.5f * TexRatioH;
|
|
float hlfPixScrW = 0.5f;
|
|
float hlfPixScrH = 0.5f;*/
|
|
// Yoyo: Do not need Half Pixel/Texel displacement!!
|
|
float hlfPixTexW = 0;
|
|
float hlfPixTexH = 0;
|
|
float hlfPixScrW = 0;
|
|
float hlfPixScrH = 0;
|
|
|
|
|
|
CTextureFont::SLetterKey k;
|
|
|
|
// string bound.
|
|
output.XMin= FLT_MAX;
|
|
output.XMax= -FLT_MAX;
|
|
output.ZMin= FLT_MAX;
|
|
output.ZMax= -FLT_MAX;
|
|
|
|
// string info.
|
|
sint32 nMaxZ = -1000000, nMinZ = 1000000;
|
|
output.StringHeight = 0;
|
|
|
|
uint j = 0;
|
|
{
|
|
CVertexBufferReadWrite vba;
|
|
output.Vertices.lock (vba);
|
|
|
|
|
|
// For all chars
|
|
for (uint i = 0; i < s.size(); i++)
|
|
{
|
|
// Creating font
|
|
k.Char = s[i];
|
|
k.FontGenerator = fontGen;
|
|
k.Size = fontSize;
|
|
CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k);
|
|
if(pLI != NULL)
|
|
{
|
|
if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0))
|
|
{
|
|
// Creating vertices
|
|
dx = pLI->Left;
|
|
dz = -((sint32)pLI->CharHeight-(sint32)(pLI->Top));
|
|
u1 = pLI->U - hlfPixTexW;
|
|
v1 = pLI->V - hlfPixTexH;
|
|
u2 = pLI->U + ((float)pLI->CharWidth) * TexRatioW + hlfPixTexW;
|
|
v2 = pLI->V + ((float)pLI->CharHeight) * TexRatioH + hlfPixTexH;
|
|
|
|
x1 = (penx + dx) - hlfPixScrW;
|
|
z1 = (penz + dz) - hlfPixScrH;
|
|
x2 = (penx + dx + (sint32)pLI->CharWidth) + hlfPixScrW;
|
|
z2 = (penz + dz + (sint32)pLI->CharHeight) + hlfPixScrH;
|
|
|
|
vba.setVertexCoord (j, x1, 0, z1);
|
|
vba.setTexCoord (j, 0, u1, v2);
|
|
++j;
|
|
|
|
vba.setVertexCoord (j, x2, 0, z1);
|
|
vba.setTexCoord (j, 0, u2, v2);
|
|
++j;
|
|
|
|
vba.setVertexCoord (j, x2, 0, z2);
|
|
vba.setTexCoord (j, 0, u2, v1);
|
|
++j;
|
|
|
|
vba.setVertexCoord (j, x1, 0, z2);
|
|
vba.setTexCoord (j, 0, u1, v1);
|
|
++j;
|
|
|
|
// String Bound
|
|
output.XMin= min(output.XMin, x1);
|
|
output.XMin= min(output.XMin, x2);
|
|
output.XMax= max(output.XMax, x1);
|
|
output.XMax= max(output.XMax, x2);
|
|
output.ZMin= min(output.ZMin, z1);
|
|
output.ZMin= min(output.ZMin, z2);
|
|
output.ZMax= max(output.ZMax, z1);
|
|
output.ZMax= max(output.ZMax, z2);
|
|
|
|
// String info
|
|
sint32 nZ1 = (sint32)pLI->Top-(sint32)pLI->CharHeight;
|
|
sint32 nZ2 = pLI->Top;
|
|
|
|
if (nZ1 < nMinZ) nMinZ = nZ1;
|
|
if (nZ2 > nMaxZ) nMaxZ = nZ2;
|
|
}
|
|
penx += pLI->AdvX;
|
|
}
|
|
|
|
// Building Material
|
|
output.Material = pMatFont;
|
|
}
|
|
}
|
|
output.Vertices.setNumVertices (j);
|
|
|
|
// compile string info
|
|
output.StringWidth = (float)penx;
|
|
if(nMaxZ>nMinZ)
|
|
{
|
|
output.StringHeight = (float)(nMaxZ - nMinZ);
|
|
output.StringLine = -(float)nMinZ;
|
|
}
|
|
else
|
|
{
|
|
output.StringHeight = 0;
|
|
output.StringLine = 0;
|
|
}
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CFontManager::computeStringInfo ( const ucstring &s,
|
|
CFontGenerator *fontGen,
|
|
const NLMISC::CRGBA &color,
|
|
uint32 fontSize,
|
|
IDriver *driver,
|
|
CComputedString &output,
|
|
bool keep800x600Ratio )
|
|
{
|
|
output.Color = color;
|
|
|
|
// resize fontSize if window not of 800x600.
|
|
if (keep800x600Ratio)
|
|
{
|
|
uint32 width, height;
|
|
driver->getWindowSize (width, height);
|
|
if ((height == 0) || (width == 0))
|
|
return;
|
|
// keep the 800*600 ratio
|
|
fontSize = (uint32)floor(fontSize*height/600.f);
|
|
fontSize = max(fontSize, (uint32)2);
|
|
}
|
|
|
|
sint32 penx = 0;
|
|
sint32 nMaxZ = -1000000, nMinZ = 1000000;
|
|
CMaterial *pMatFont = getFontMaterial();
|
|
CTextureFont *pTexFont = (CTextureFont*)(pMatFont->getTexture (0));
|
|
|
|
CTextureFont::SLetterKey k;
|
|
CTextureFont::SLetterInfo *pLI;
|
|
|
|
for (uint i = 0; i < s.size(); i++)
|
|
{
|
|
// Creating font
|
|
k.Char = s[i];
|
|
k.FontGenerator = fontGen;
|
|
k.Size = fontSize;
|
|
pLI = pTexFont->getLetterInfo (k);
|
|
if(pLI != NULL)
|
|
{
|
|
if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0))
|
|
{
|
|
// String info
|
|
sint32 nZ1 = (sint32)pLI->Top-(sint32)pLI->CharHeight;
|
|
sint32 nZ2 = pLI->Top;
|
|
|
|
if (nZ1 < nMinZ) nMinZ = nZ1;
|
|
if (nZ2 > nMaxZ) nMaxZ = nZ2;
|
|
}
|
|
penx += pLI->AdvX;
|
|
}
|
|
}
|
|
|
|
// compile string info
|
|
output.StringWidth = (float)penx;
|
|
if(nMaxZ>nMinZ)
|
|
{
|
|
output.StringHeight = (float)(nMaxZ - nMinZ);
|
|
output.StringLine = -(float)nMinZ;
|
|
}
|
|
else
|
|
{
|
|
output.StringHeight = 0;
|
|
output.StringLine = 0;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
string CFontManager::getCacheInformation() const
|
|
{
|
|
// stringstream ss;
|
|
// ss << "MaxMemory: " << (uint) _MaxMemory << " MemSize: " << (uint) _MemSize << " NbChar: " << (uint) _NbChar;
|
|
// return ss.str();
|
|
string str;
|
|
str = "MaxMemory: " + NLMISC::toString(_MaxMemory) + " MemSize: " + NLMISC::toString(_MemSize) + " NbChar: " + NLMISC::toString(_NbChar);
|
|
return str;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
void CFontManager::invalidate()
|
|
{
|
|
if (_TexFont)
|
|
_TexFont = NULL;
|
|
_TexFont = new CTextureFont;
|
|
}
|
|
|
|
|
|
|
|
} // NL3D
|