src/client/GLW/GLWTankModel.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 //    Scorched3D (c) 2000-2009
   3 //
   4 //    This file is part of Scorched3D.
   5 //
   6 //    Scorched3D is free software; you can redistribute it and/or modify
   7 //    it under the terms of the GNU General Public License as published by
   8 //    the Free Software Foundation; either version 2 of the License, or
   9 //    (at your option) any later version.
  10 //
  11 //    Scorched3D is distributed in the hope that it will be useful,
  12 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //    GNU General Public License for more details.
  15 //
  16 //    You should have received a copy of the GNU General Public License
  17 //    along with Scorched3D; if not, write to the Free Software
  18 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ////////////////////////////////////////////////////////////////////////////////
  20
  21 #include <GLW/GLWTankModel.h>
  22 #include <client/ScorchedClient.h>
  23 #include <graph/MainCamera.h>
  24 #include <graph/ModelRendererMesh.h>
  25 #include <client/ClientState.h>
  26 #include <tankgraph/TargetRendererImplTank.h>
  27 #include <tank/TankContainer.h>
  28 #include <tank/TankPosition.h>
  29 #include <common/Vector4.h>
  30 #include <landscape/Landscape.h>
  31 #include <sky/Sky.h>
  32 #include <GLW/GLWTranslate.h>
  33
  34 REGISTER_CLASS_SOURCE(GLWTankModel);
  35
  36 GLWTankModel::GLWTankModel(float x, float y, float w, float h) :
  37         GLWidget(x, y, w, h),
  38         totalTime_(0.0f)
  39 {
  40 }
  41
  42 GLWTankModel::~GLWTankModel()
  43 {
  44 }
  45
  46 void GLWTankModel::draw()
  47 {
  48         Tank *current =
  49                 ScorchedClient::instance()->getTankContainer().getCurrentTank();
  50         if (!current) return;
  51
  52         TargetRendererImplTank *renderer = (TargetRendererImplTank *)
  53                 current->getRenderer();
  54         if (!renderer) return;
  55
  56         Vector4 sunPosition(-100.0f, 100.0f, 400.0f, 1.0f);
  57         Vector4 sunDiffuse(0.9f, 0.9f, 0.9f, 1.0f);
  58         Vector4 sunAmbient(0.4f, 0.4f, 0.4f, 1.0f);
  59         glLightfv(GL_LIGHT1, GL_AMBIENT, sunAmbient);
  60         glLightfv(GL_LIGHT1, GL_DIFFUSE, sunDiffuse);
  61
  62         // Add the tooltip for the model name+attributes
  63         GLWToolTip::instance()->addToolTip(&renderer->getTips()->tankTip,
  64                 GLWTranslate::getPosX() + x_ + 20.0f,
  65                 GLWTranslate::getPosY() + y_ + 20.0f, 80.0f, 80.0f);
  66
  67         // Find the angles to rotate so the tank is at the
  68         // same angle as the "real" tank on the landscape
  69         Vector &lookFrom = MainCamera::instance()->getCamera().getCurrentPos();
  70         Vector &lookAt = MainCamera::instance()->getCamera().getLookAt();
  71         Vector dir = (lookAt - lookFrom).Normalize();
  72         float angXY = atan2f(dir[0], dir[1]) / 3.14f * 180.0f;
  73         float angYZ = acosf(dir[2]) / 3.14f * 180.0f + 180.0f;
  74         if (angYZ < 280.0f) angYZ = 280.0f;
  75
  76         // Draw the tank
  77         glPushMatrix();
  78                 // Set the tank angle
  79                 glTranslatef(x_ + w_ / 2.0f, y_ + w_ / 2.0f, 0.0f);
  80
  81                 glLightfv(GL_LIGHT1, GL_POSITION, sunPosition);
  82
  83                 glRotatef(angYZ, 1.0f, 0.0f, 0.0f);
  84                 glRotatef(angXY, 0.0f, 0.0f, 1.0f);
  85
  86                 // Draw the tank model
  87                 glScalef(w_ / 4.0f, w_ / 4.0f, w_ / 4.0f);
  88                 GLState tankState(GLState::TEXTURE_OFF | GLState::DEPTH_ON); // For no tank skins
  89                 Vector position;
  90                 TankMesh *mesh = renderer->getMesh();
  91                 if (mesh)
  92                 {
  93                         Vector4 rotation(1.0f, 0.0f, 0.0f, 0.0f);
  94                         float matrix[16];
  95                         rotation.getOpenGLRotationMatrix(matrix);
  96
  97                         mesh->draw(
  98                                 totalTime_ * 20.0f,
  99                                 false, matrix, position, 0.0f,
 100                                 current->getPosition().getRotationGunXY().asFloat(),
 101                                 current->getPosition().getRotationGunYZ().asFloat(),
 102                                 true);
 103                 }
 104         glPopMatrix();
 105
 106         Landscape::instance()->getSky().getSun().setLightPosition(); // Reset light
 107 }
 108
 109 void GLWTankModel::mouseDown(int button, float x, float y, bool &skipRest)
 110 {
 111         if (inBox(x, y, x_, y_, w_, h_))
 112         {
 113                 skipRest = true;
 114                 MainCamera::instance()->getTarget().setCameraType(TargetCamera::CamBehind);
 115         }
 116 }
 117
 118 void GLWTankModel::simulate(float frameTime)
 119 {
 120         totalTime_ += frameTime;
 121 }