2017-03-15 19:43:10 +00:00
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "nel/misc/types_nl.h"
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#include "nel/misc/event_emitter.h"
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#include "nel/misc/event_listener.h"
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#include "nel/misc/path.h"
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// look at 3dinit example
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#include "nel/3d/nelu.h"
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// used for font management
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#include "nel/3d/font_manager.h"
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#include "nel/3d/computed_string.h"
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#include "nel/3d/text_context.h"
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#include "nel/3d/driver_user.h"
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#ifdef NL_OS_WINDOWS
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#ifndef NL_COMP_MINGW
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#define NOMINMAX
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#endif
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#include <windows.h>
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#endif // NL_OS_WINDOWS
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#ifndef FONT_DIR
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# define FONT_DIR "."
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#endif
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using namespace std;
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using namespace NL3D;
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using namespace NLMISC;
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#ifdef NL_OS_WINDOWS
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int WINAPI WinMain( HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow )
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#else
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int main(int argc, char **argv)
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#endif
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{
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// look at 3dinit example
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2019-04-13 11:53:22 +00:00
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CNELU::init (800, 600, CViewport(), 32, true, 0, false);
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2017-03-15 19:43:10 +00:00
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NLMISC::CPath::addSearchPath(FONT_DIR);
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// create a font manager
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CFontManager fontManager;
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// set the font cache to 2 megabytes (default is 1mb)
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fontManager.setMaxMemory(2000000);
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CTextContext tc;
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tc.init (CNELU::Driver, &fontManager);
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// The first param is the font name (could be ttf, pfb, fon, etc...). The
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// second one is optional, it's the font kerning file
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tc.setFontGenerator (NLMISC::CPath::lookup("beteckna.ttf"));
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// create the first computed string.
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// A computed string is a string with a format and it generates the string
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// into a texture. First param is the string or ucstring (Unicode string).
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// Second is a pointer to a font generator. 3rd is the color of the font.
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// 4th is the size of the font. 5th is a pointer to the video driver.
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// 6th is the resulting computed string.
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CComputedString csRotation;
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fontManager.computeString ("cs Rotation", tc.getFontGenerator(), CRGBA(255,255,255), 70, false, false, CNELU::Driver, csRotation);
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CComputedString cs3d;
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fontManager.computeString ("cs 3d", tc.getFontGenerator(), CRGBA(255,127,0), 75, false, false, CNELU::Driver, cs3d);
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// generate an Unicode string.
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ucstring ucs("cs Unicode String");
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CComputedString csUnicode;
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fontManager.computeString (ucs, tc.getFontGenerator(), CRGBA(32,64,127), 75, false, false, CNELU::Driver, csUnicode);
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// look at event example
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CNELU::EventServer.addEmitter(CNELU::Driver->getEventEmitter());
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CNELU::AsyncListener.addToServer(CNELU::EventServer);
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do
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{
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// look at 3dinit example
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CNELU::clearBuffers(CRGBA(0,0,0));
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// now, every frame, we have to render the computer string.
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static float x=0, y=0, z=0;
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x+=0.01f; y+=0.1f, z+=0.001f;
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CMatrix m;
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m.identity();
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m.translate(CVector(0.7f*4.0f/3.0f, 0.5, 0.5));
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m.rotateX(x);
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m.rotateY(y);
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m.rotateZ(z);
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// display a string in 3d
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// first param is a pointer to the driver. second one is
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// the matrix transformation for the string
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cs3d.render3D (*CNELU::Driver, m);
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// the first param is a pointer to a driver. second one is the x position
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// (between (0.0 (left) and 1.0 (right)). third one is the y position (between
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// 0.0 (bottom) and 1.0 (top)).
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tc.setColor (CRGBA (255, 255, 255));
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tc.setFontSize (40);
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tc.setHotSpot (CComputedString::BottomLeft);
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tc.printAt (0.5f, 0.7f, string("printAt"));
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// the fourth param is the position of the hotspot, the text will be displayed at x,y
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// depending on the hotspot
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tc.setColor (CRGBA (0, 0, 255));
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tc.setFontSize (40);
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tc.setHotSpot (CComputedString::BottomLeft);
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tc.printAt (0.0f, 0.0f, string("NeL"));
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static float scale=1.0f, way=0.05f;
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scale+=way;
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if (scale>4 || scale < 1) way = -way;
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// the 5th and 6th params are the scale of the texture
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tc.setColor (CRGBA (200, 255, 64));
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tc.setFontSize (20);
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tc.setHotSpot (CComputedString::BottomLeft);
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tc.setScaleX (scale);
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tc.setScaleZ (scale);
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tc.printAt (0.1f, 0.3f, string("printAt Scale String"));
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// display the same string with no scale
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tc.setHotSpot (CComputedString::TopLeft);
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tc.setScaleX (1.0f);
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tc.setScaleZ (1.0f);
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tc.printAt (0.1f, 0.25f, string("printAt NoScale String"));
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// the 7th params is the rotation in radian
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static float angle=0.0f;
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angle+=0.01f;
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csRotation.render2D (*CNELU::Driver, 0.2f, 0.7f, CComputedString::MiddleMiddle, 1, 1, angle);
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csUnicode.render2D (*CNELU::Driver, 1.0f, 0.15f, CComputedString::MiddleRight);
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// display the Unicode string
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tc.setColor (CRGBA (32, 64, 127));
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tc.setFontSize (65);
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tc.setHotSpot (CComputedString::MiddleRight);
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tc.printAt (1.0f, 0.85f, ucstring("printAt Unicode String"));
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tc.setColor (CRGBA (255, 127, 0));
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tc.setFontSize (20);
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tc.setHotSpot (CComputedString::BottomRight);
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tc.printAt (0.99f, 0.01f, string("Press <ESC> to quit"));
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// look 3dinit example
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CNELU::swapBuffers();
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CNELU::screenshot();
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// look at event example
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CNELU::EventServer.pump(true);
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}
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while(!CNELU::AsyncListener.isKeyPushed(KeyESCAPE));
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fontManager.dumpCache ("font_cache_dump.tga");
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// look at event example
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CNELU::AsyncListener.removeFromServer(CNELU::EventServer);
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// look at 3dinit example
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CNELU::release();
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return EXIT_SUCCESS;
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}
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