snowballs2/client/src/compass.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This source file has been modified by the following contributors:
   5 // Copyright (C) 2013-2014  Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
   6 //
   7 // This program is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU Affero General Public License as
   9 // published by the Free Software Foundation, either version 3 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU Affero General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU Affero General Public License
  18 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 //
  21 // Includes
  22 //
  23
  24 #include <nel/misc/types_nl.h>
  25 #include <nel/misc/vector.h>
  26 #include <nel/misc/matrix.h>
  27 #include <nel/misc/config_file.h>
  28
  29 #include <nel/3d/u_material.h>
  30 #include <nel/3d/u_camera.h>
  31 #include <nel/3d/u_driver.h>
  32 #include <nel/3d/u_text_context.h>
  33 #include <nel/3d/u_texture.h>
  34 #include <nel/3d/stereo_hmd.h>
  35
  36 #include "mouse_listener.h"
  37 #include "camera.h"
  38 #include "snowballs_client.h"
  39 #include "entities.h"
  40
  41 //
  42 // Namespaces
  43 //
  44
  45 using namespace NLMISC;
  46 using namespace NL3D;
  47 using namespace std;
  48
  49 namespace SBCLIENT {
  50
  51 //
  52 // Variables
  53 //
  54
  55 static NL3D::UMaterial CompassMaterial = NULL;
  56
  57 // These variables are automatically set with the config file
  58
  59 static  float   CompassPosX, CompassPosY, CompassRadius;
  60 static  CRGBA   CompassColor;
  61
  62 //
  63 // Functions
  64 //
  65
  66 void cbUpdateCompass (CConfigFile::CVar &var)
  67 {
  68         if (var.Name == "CompassPosX") CompassPosX = var.asFloat ();
  69         else if (var.Name == "CompassPosY") CompassPosY = var.asFloat ();
  70         else if (var.Name == "CompassRadius") CompassRadius = var.asFloat ();
  71         else if (var.Name == "CompassColor")
  72         {
  73                 CompassColor.set(var.asInt(0), var.asInt(1), var.asInt(2), var.asInt(3));
  74                 CompassMaterial.setColor(CompassColor);
  75         }
  76         else nlwarning ("Unknown variable update %s", var.Name.c_str());
  77 }
  78
  79 void initCompass ()
  80 {
  81         CompassMaterial = Driver->createMaterial ();
  82         CompassMaterial.initUnlit ();
  83         CompassMaterial.setBlendFunc (UMaterial::srcalpha, UMaterial::invsrcalpha);
  84         CompassMaterial.setBlend(true);
  85
  86         ConfigFile->setCallback ("CompassPosX", cbUpdateCompass);
  87         ConfigFile->setCallback ("CompassPosY", cbUpdateCompass);
  88         ConfigFile->setCallback ("CompassRadius", cbUpdateCompass);
  89         ConfigFile->setCallback ("CompassColor", cbUpdateCompass);
  90
  91         cbUpdateCompass (ConfigFile->getVar ("CompassPosX"));
  92         cbUpdateCompass (ConfigFile->getVar ("CompassPosY"));
  93         cbUpdateCompass (ConfigFile->getVar ("CompassRadius"));
  94         cbUpdateCompass (ConfigFile->getVar ("CompassColor"));
  95 }
  96
  97 void updateCompass ()
  98 {
  99         float x = CompassPosX;
 100         float y = CompassPosY;
 101         float radius = CompassRadius;
 102
 103         // tri
 104         CTriangle tri;
 105         tri.V0.set (-radius, 0, 0);
 106         tri.V1.set (radius, 0, 0);
 107         tri.V2.set (0, 3*radius, 0);
 108
 109         CQuad quad;
 110         // quad
 111         quad.V0.set (-radius, -radius, 0);
 112         quad.V1.set ( radius, -radius, 0);
 113         quad.V2.set ( radius,  radius, 0);
 114         quad.V3.set (-radius,  radius, 0);
 115
 116         Driver->setMatrixMode2D43();
 117
 118         CMatrix mtx;
 119
 120         // up
 121         mtx.identity();
 122         mtx.translate(CVector(x,y,0));
 123         mtx.rotateZ(MouseListener->getOrientation() - (float)Pi/2);
 124         mtx.translate(CVector(0,radius,0));
 125         Driver->setModelMatrix (mtx);
 126         Driver->drawTriangle (tri,  CompassMaterial);
 127
 128         // down
 129         mtx.identity();
 130         mtx.translate(CVector(x,y,0));
 131         mtx.rotateZ(MouseListener->getOrientation() + (float)Pi/2);
 132         mtx.translate(CVector(0,radius,0));
 133         Driver->setModelMatrix (mtx);
 134         Driver->drawTriangle (tri,  CompassMaterial);
 135
 136         // left
 137         mtx.identity();
 138         mtx.translate(CVector(x,y,0));
 139         mtx.rotateZ(MouseListener->getOrientation());
 140         mtx.translate(CVector(0,radius,0));
 141         Driver->setModelMatrix (mtx);
 142         Driver->drawTriangle (tri,  CompassMaterial);
 143
 144         // right
 145         mtx.identity();
 146         mtx.translate(CVector(x,y,0));
 147         mtx.rotateZ(MouseListener->getOrientation() - (float)Pi);
 148         mtx.translate(CVector(0,radius,0));
 149         Driver->setModelMatrix (mtx);
 150         Driver->drawTriangle (tri,  CompassMaterial);
 151
 152         // center
 153         mtx.identity();
 154         mtx.translate(CVector(x,y,0));
 155         mtx.rotateZ(MouseListener->getOrientation());
 156         Driver->setModelMatrix (mtx);
 157         Driver->drawQuad (quad,  CompassMaterial);
 158
 159         x *= 3.0/4.0f;
 160
 161         // Print position
 162         TextContext->setHotSpot(UTextContext::MiddleTop);
 163         TextContext->setColor(CompassColor);
 164         TextContext->setFontSize(14);
 165         if (Self != NULL)
 166                 TextContext->printfAt(x, y-4.0f*radius, "%.2f %.2f %.2f", Self->Position.x, Self->Position.y, Self->Position.z);
 167         else
 168                 TextContext->printfAt(x, y-4.0f*radius, "%.2f %.2f %.2f", MouseListener->getPosition().x, MouseListener->getPosition().y, MouseListener->getPosition().z);
 169 }
 170
 171 void releaseCompass ()
 172 {
 173         ConfigFile->setCallback("CompassPosX", NULL);
 174         ConfigFile->setCallback("CompassPosY", NULL);
 175         ConfigFile->setCallback("CompassRadius", NULL);
 176         ConfigFile->setCallback("CompassColor", NULL);
 177
 178         Driver->deleteMaterial (CompassMaterial);
 179         CompassMaterial = NULL;
 180 }
 181
 182 } /* namespace SBCLIENT */
 183
 184 /* end of file */