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*************************************************************************
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ArmageTron -- Just another Tron Lightcycle Game in 3D.
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Copyright (C) 2000 Manuel Moos (manuel@moosnet.de)
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**************************************************************************
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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***************************************************************************
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//void se_FetchAndStoreSDLInput();
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#include "tConfiguration.h"
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static REAL sr_floorMirror_strength=.1;
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static tSettingItem<REAL> f_m("FLOOR_MIRROR_INT",sr_floorMirror_strength);
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#include "tEventQueue.h"
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#include "uInputQueue.h"
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#include "eGameObject.h"
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#include "eDebugLine.h"
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#include "tDirectories.h"
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#include "eRectangle.h"
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REAL upper_height=100;
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static rFileTexture sky(rTextureGroups::TEX_FLOOR,"textures/sky.png",1,1,true);
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static rFileTexture sky_moviepack(rTextureGroups::TEX_FLOOR,"moviepack/sky.png",1,1,true);
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extern bool sg_MoviePack();
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static void sky_select(){
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// Since old movie packs usually don't include sky.png we need to
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// be nice and fall back to the default sky tecture. -k
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tString s = tDirectories::Data().GetReadPath( "moviepack/sky.png" );
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sky_moviepack.Select();
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// if the rip bug is activated, don't use the rim to draw the floor
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extern short se_bugRip;
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// passes a vertex with z-projected texture coordinates to OpenGL
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static inline void TexVertex( REAL x, REAL y, REAL h)
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// renders a finite rectangle
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static void finite_xy_plane( const eCoord &pos,const eCoord &dir,REAL h, eRectangle rect )
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// expand plane to camera position to avoid embarrasing reflection bug
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if ( sr_floorMirror )
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// fetch rectangle coordinates
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REAL lx = rect.GetLow().x;
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REAL ly = rect.GetLow().y;
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REAL hx = rect.GetHigh().x;
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REAL hy = rect.GetHigh().y;
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// draw rectangle as triangle fan (good for avoiding artefacts near pos)
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TexVertex( pos.x-dir.x, pos.y-dir.y, h );
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TexVertex(lx, ly, h);
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TexVertex(lx, hy, h);
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TexVertex(hx, hy, h);
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TexVertex(hx, ly, h);
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TexVertex(lx, ly, h);
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static void infinity_xy_plane(eCoord const & pos, const eCoord &dir,REAL h=0){
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glEdgeFlag(GL_FALSE);
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// always use the rim if infinity rendering is turned off
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use_rim |= !sr_infinityPlane;
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// the rim wall based rendering does not work properly for shaped arenas, so
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// it's been replaced.
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for(int i=se_rimWalls.Len()-1;i>=0;i--){
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eCoord p1=se_rimWalls(i)->EndPoint(0);
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eCoord p2=se_rimWalls(i)->EndPoint(1);
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glTexCoord2f(pos.x, pos.y);
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glVertex3f (pos.x, pos.y, h);
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glTexCoord2f(p1.x, p1.y);
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glVertex3f (p1.x, p1.y, h);
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glTexCoord2f(p2.x, p2.y);
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glVertex3f (p2.x, p2.y, h);
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finite_xy_plane( pos, dir, h, eWallRim::GetBounds() );
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if (!sr_infinityPlane)
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glTexCoord4f(pos.x-dir.x, pos.y-dir.y, h, 1);
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glVertex4f (pos.x-dir.x, pos.y-dir.y, h, 1);
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glTexCoord4f(1,0.1,zero*h,zero);
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glVertex4f (1,0.1,zero*h,zero);
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glTexCoord4f(0.1,1.1,zero*h,zero);
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glVertex4f (0.1,1.1,zero*h,zero);
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glTexCoord4f(-1,0.1,zero*h,zero);
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glVertex4f (-1,0.1,zero*h,zero);
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glTexCoord4f(0.1,-1.1,zero*h,zero);
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glVertex4f (0.1,-1.1,zero*h,zero);
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glTexCoord4f(1,0.1,zero*h,zero);
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glVertex4f (1,0.1,zero*h,zero);
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int eGrid::NumberOfCameras(){return cameras.Len();}
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const eCoord& eGrid::CameraPos(int i){return cameras(i)->CameraPos();}
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eCoord eGrid::CameraGlancePos(int i){return cameras(i)->CameraGlancePos();}
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const eCoord& eGrid::CameraDir(int i){return cameras(i)->CameraDir();}
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REAL eGrid::CameraHeight(int i){return cameras(i)->CameraZ();}
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eWall *displayed_eWall=0;
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void draw_eWall(eGrid* grid, int v,int i, REAL& zNear, eCamera const * cam)
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if (i<se_wallsVisible[v].Len())
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eWallView *view=se_wallsVisible[v](i);
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if (view->Value()<=z)
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displayed_eWall = view->Belongs();
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REAL len = displayed_eWall->Len();
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REAL zDist = z - displayed_eWall->Height();
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const eCoord& camPos = grid->CameraPos( v );
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const eCoord& camDir = grid->CameraDir( v );
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eCoord base = displayed_eWall->EndPoint(0);
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eCoord end = displayed_eWall->EndPoint(1);
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if ( eCoord::F( base-camPos, camDir ) > 0.01f || eCoord::F( end-camPos, camDir ) > 0.01f )
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eCoord dirNorm = end - base;
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eCoord camRelative = ( camPos - base ).Turn( dirNorm.Conj() );
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REAL dist = fabs( camRelative.y );
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if ( camRelative.x < 0 )
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dist -= camRelative.x;
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if ( camRelative.x > len )
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dist += camRelative.x - len;
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// TODO: better criterion for ingoring of walls
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if ( dist < zNear && dist > 0.001f )
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displayed_eWall->Render(cam);
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draw_eWall(grid,v,tHeapBase::UpperL(i),zNear,cam);
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draw_eWall(grid,v,tHeapBase::UpperR(i),zNear,cam);
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void paint_sr_lowerSky(eGrid *grid, int viewer,bool sr_upperSky, eCoord const & camPos){
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glScalef(.005,.005,.005);
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glEnable(GL_TEXTURE_2D);
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glDisable(GL_CULL_FACE);
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glTranslatef(se_GameTime()*.1,se_GameTime()*.07145,0);
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glScalef(1+.2*sin(se_GameTime()),1+.1*cos(se_GameTime()),1);
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glTranslatef(-300,-200,0);
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REAL sa=(lower_height-z)*.1;
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glBlendFunc(GL_SRC_ALPHA,GL_ZERO);
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infinity_xy_plane(camPos,grid->CameraDir(viewer),lower_height);
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if (!sr_upperSky && sr_alphaBlend)
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glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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void eGrid::display_simple( int viewer,bool floor,
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bool sr_upperSky,bool sr_lowerSky,
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bool eWalls,bool gameObjects,
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static GLfloat S[]={1,0,0,0};
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static GLfloat T[]={0,1,0,0};
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static GLfloat R[]={0,0,1,0};
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static GLfloat Q[]={0,0,0,1};
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glTexGeni(GL_S,GL_TEXTURE_GEN_MODE,GL_OBJECT_LINEAR);
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glTexGenfv(GL_S,GL_OBJECT_PLANE,S);
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glTexGeni(GL_T,GL_TEXTURE_GEN_MODE,GL_OBJECT_LINEAR);
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glTexGenfv(GL_T,GL_OBJECT_PLANE,T);
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glTexGeni(GL_R,GL_TEXTURE_GEN_MODE,GL_OBJECT_LINEAR);
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glTexGenfv(GL_R,GL_OBJECT_PLANE,R);
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glTexGeni(GL_Q,GL_TEXTURE_GEN_MODE,GL_OBJECT_LINEAR);
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glTexGenfv(GL_Q,GL_OBJECT_PLANE,Q);
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glDisable(GL_TEXTURE_GEN_T);
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glDisable(GL_TEXTURE_GEN_S);
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glDisable(GL_TEXTURE_GEN_R);
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glDisable(GL_TEXTURE_GEN_Q);
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glEdgeFlag(GL_FALSE);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_CULL_FACE);
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eCoord camPos = CameraGlancePos( viewer );
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// eWallRim::Bound( camPos, 10 );
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if (sr_upperSky || se_BlackSky()){
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//glDisable(GL_TEXTURE);
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glDisable(GL_TEXTURE_2D);
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if ( z < lower_height )
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infinity_xy_plane(camPos, this->CameraDir(viewer),lower_height);
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glEnable(GL_TEXTURE_2D);
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// glScalef(.25,.25,.25);
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if ( z < upper_height )
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infinity_xy_plane(camPos, this->CameraDir(viewer),upper_height);
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if (sr_lowerSky && !sr_highRim){
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paint_sr_lowerSky(this, viewer,sr_upperSky, camPos);
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su_FetchAndStoreSDLInput();
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int floorDetail = sr_floorDetail;
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// no multitexturing without alpha blending
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if ( !sr_alphaBlend && floorDetail > rFLOOR_TEXTURE )
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floorDetail = rFLOOR_TEXTURE;
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#define SIDELEN (se_GridSize())
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eCoord center = CameraPos(viewer) + CameraDir(viewer) * (SIDELEN * EXTENSION * .8);
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int xn=static_cast<int>(x/SIDELEN);
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int yn=static_cast<int>(y/SIDELEN);
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//glDisable(GL_TEXTURE);
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glDisable(GL_TEXTURE_2D);
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#define INTENSITY(x,xx) (1-(((x)-(xx))*((x)-(xx))/(EXTENSION*SIDELEN*EXTENSION*SIDELEN)))
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for(int i=xn-EXTENSION;i<=xn+EXTENSION;i++){
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REAL intens=INTENSITY(i*SIDELEN,x);
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if (intens<0) intens=0;
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se_glFloorColor(intens,intens);
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glVertex2f(i*SIDELEN,y-SIDELEN*(EXTENSION+1));
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glVertex2f(i*SIDELEN,y+SIDELEN*(EXTENSION+1));
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for(int j=yn-EXTENSION;j<=yn+EXTENSION;j++){
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REAL intens=INTENSITY(j*SIDELEN,y);
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if (intens<0) intens=0;
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se_glFloorColor(intens,intens);
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glVertex2f(x-(EXTENSION+1)*SIDELEN,j*SIDELEN);
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glVertex2f(x+(EXTENSION+1)*SIDELEN,j*SIDELEN);
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glScalef(1/se_GridSize(),1/se_GridSize(),1/se_GridSize());
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se_glFloorColor(flooralpha);
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infinity_xy_plane( camPos, CameraDir(viewer) );
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/* old way: draw every triangle
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for(int i=eFace::faces.Len()-1;i>=0;i--){
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eFace *f=eFace::faces(i);
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if (f->visHeight[viewer]<z){
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glBegin(GL_TRIANGLES);
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for(int j=0;j<=2;j++){
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glVertex3f(f->p[j]->x,f->p[j]->y,0);
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case rFLOOR_TWOTEXTURE:
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se_glFloorColor(flooralpha);
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REAL gs = 1/se_GridSize();
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glScalef(0.01*gs,gs,gs);
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se_glFloorTexture_a();
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infinity_xy_plane( camPos, CameraDir(viewer) );
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se_glFloorColor(flooralpha);
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glScalef(gs,.01*gs,gs);
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se_glFloorTexture_b();
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glDepthFunc(GL_LEQUAL);
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glBlendFunc(GL_SRC_ALPHA,GL_ONE);
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infinity_xy_plane( camPos, CameraDir(viewer) );
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glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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// glDisable(GL_TEXTURE_GEN_S);
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// glDisable(GL_TEXTURE_GEN_T);
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// glDisable(GL_TEXTURE_GEN_Q);
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// glDisable(GL_TEXTURE_GEN_R);
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glEnable(GL_DEPTH_TEST);
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for(int i=se_rimWalls.Len()-1;i>=0;i--){
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su_FetchAndStoreSDLInput();
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se_rimWalls(i)->RenderReal(cameras(viewer));
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if (sr_lowerSky && sr_highRim){
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// glEnable(GL_TEXTURE_GEN_S);
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// glEnable(GL_TEXTURE_GEN_T);
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// glEnable(GL_TEXTURE_GEN_Q);
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// glEnable(GL_TEXTURE_GEN_R);
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paint_sr_lowerSky(this, viewer,sr_upperSky, camPos);
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// glDisable(GL_TEXTURE_GEN_S);
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// glDisable(GL_TEXTURE_GEN_T);
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// glDisable(GL_TEXTURE_GEN_Q);
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// glDisable(GL_TEXTURE_GEN_R);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_DEPTH_TEST);
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glDisable(GL_CULL_FACE);
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draw_eWall(this,viewer,0,zNear,cameras(viewer));
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for(int i=sg_netPlayerWalls.Len()-1;i>=0;i--){
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glMatrixMode(GL_MODELVIEW);
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if (sg_netPlayerWalls(i)->Preliminary())
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if (sg_netPlayerWalls(i)->Wall())
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sg_netPlayerWalls(i)->Wall()->RenderList(false);
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int newlen=sg_netPlayerWalls.Len();
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con << "Number of player eWalls now " << newlen << '\n';
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eGameObject::RenderAll(this, cameras(viewer));
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eDebugLine::Render();
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//glDisable(GL_TEXTURE);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_LIGHTING);
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for(i=edges.Len()-1;i>=0;i--){
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eHalfEdge *e=edges[i];
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glVertex3f(e->Point()->x,e->Point()->y,10);
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glVertex3f(e->Point()->x,e->Point()->y,15);
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glVertex3f(e->Point()->x,e->Point()->y,.1);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,.1);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,10);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,15);
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for(i=points.Len()-1;i>=0;i--){
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glVertex3f(p->x,p->y,0);
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glVertex3f(p->x,p->y,(p->GetRefcount()+1)*5);
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for(int i=sg_netPlayerWalls.Len()-1;i>=0;i--){
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eEdge *e=sg_netPlayerWalls[i]->Edge();
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glVertex3f(e->Point()->x,e->Point()->y,5);
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glVertex3f(e->Point()->x,e->Point()->y,10);
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glVertex3f(e->Point()->x,e->Point()->y,10);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,10);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,10);
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glVertex3f(e->other->Point()->x,e->other->Point()->y,5);
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void eGrid::Render( eCamera* cam, int viewer, REAL& zNear ){
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z=CameraHeight(viewer);
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if (sr_floorMirror>=rMIRROR_ALL){
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else if (sr_floorMirror>=rMIRROR_WALLS){
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else if (sr_upperSky)
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cam->SetRenderingMain(false);
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display_simple(viewer,false,
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sr_floorMirror>=rMIRROR_WALLS,
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sr_floorMirror>=rMIRROR_OBJECTS,
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z=CameraHeight(viewer);
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cam->SetRenderingMain(true);
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display_simple(viewer,true,
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sr_upperSky,sr_lowerSky,
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1-sr_floorMirror_strength,
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cam->SetRenderingMain(true);
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display_simple(viewer,true,
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sr_upperSky,sr_lowerSky,
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// for(int i=eEdge_crossing.Len()-1;i>=0;i--){
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// eEdge_crossing(i)->Render();
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//void eEdgeViewer::Render(){}
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void eViewerCrossesEdge::Render(){
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ePoint *p1=e->Point();
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ePoint *p2=e->other->Point();
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REAL timeLeft=value-se_GameTime();
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//glColor4f(1,0,0,.5);
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static rTexture ArmageTron_invis_eWall(rTEX_WALL,"textures/eWall2.png",1,0);
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ArmageTron_invis_eWall.Select();
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eWall::Render_helper(e,(p1->x+p1->y)/4,(p2->x+p2->y)/4,h,1,4);
added
removed
src/engine/eDisplay.cpp
