src/engine/eDisplay.cpp File Reference

#include "rSDL.h"
#include "tConfiguration.h"
#include "tEventQueue.h"
#include "uInputQueue.h"
#include "eTess2.h"
#include "rTexture.h"
#include "eGameObject.h"
#include "rFont.h"
#include "eTimer.h"
#include "eCamera.h"
#include "rScreen.h"
#include "rRender.h"
#include "eWall.h"
#include "eAdvWall.h"
#include "eFloor.h"
#include "ePath.h"
#include "eGrid.h"
#include "eDebugLine.h"
#include "tDirectories.h"
#include "eRectangle.h"

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Defines
#define	eWall_h   4
#define	view_h   2.7
#define	SIDELEN   (se_GridSize())
#define	EXTENSION   10
#define	INTENSITY(x, xx)   (1-(((x)-(xx))*((x)-(xx))/(EXTENSION*SIDELEN*EXTENSION*SIDELEN)))
Functions
bool	sg_MoviePack ()
static void	sky_select ()
static void	TexVertex (REAL x, REAL y, REAL h)
static void	finite_xy_plane (const eCoord &pos, const eCoord &dir, REAL h, eRectangle rect)
static void	infinity_xy_plane (eCoord const &pos, const eCoord &dir, REAL h=0)
void	draw_eWall (eGrid *grid, int v, int i, REAL &zNear, eCamera const *cam)
void	paint_sr_lowerSky (eGrid *grid, int viewer, bool sr_upperSky, eCoord const &camPos)
Variables
static REAL	sr_floorMirror_strength = .1
static tSettingItem< REAL >	f_m ("FLOOR_MIRROR_INT", sr_floorMirror_strength)
REAL	upper_height = 100
REAL	lower_height = 50
static rFileTexture	sky (rTextureGroups::TEX_FLOOR,"textures/sky.png", 1, 1, true)
static rFileTexture	sky_moviepack (rTextureGroups::TEX_FLOOR,"moviepack/sky.png", 1, 1, true)
short	se_bugRip
static REAL	z = 0
eWall *	displayed_eWall = 0

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Define Documentation

#define eWall_h   4

Definition at line 58 of file eDisplay.cpp.

#define EXTENSION   10

Referenced by eGrid::display_simple().

#define INTENSITY	(	x,
		xx		)	(1-(((x)-(xx))*((x)-(xx))/(EXTENSION*SIDELEN*EXTENSION*SIDELEN)))

Referenced by eGrid::display_simple().

#define SIDELEN   (se_GridSize())

Referenced by eGrid::display_simple().

#define view_h   2.7

Definition at line 59 of file eDisplay.cpp.

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Function Documentation

void draw_eWall	(	eGrid *	grid,
		int	v,
		int	i,
		REAL &	zNear,
		eCamera const *	cam
	)

Definition at line 204 of file eDisplay.cpp.

References eWallView::Belongs(), eGrid::CameraDir(), eGrid::CameraPos(), eCoord, eWall::EndPoint(), eWall::Height(), eWall::Len(), REAL, eWall::Render(), se_wallsVisible, eGrid::Turn(), tHeapBase::UpperL(), tHeapBase::UpperR(), eWallView::Value(), and z.

{
    if (i<se_wallsVisible[v].Len())
    {
        eWallView *view=se_wallsVisible[v](i);
#ifdef DEBUG
        if (view->Value()<=z)
        {
#endif
            displayed_eWall = view->Belongs();
            REAL len = displayed_eWall->Len();
            if ( len > .01)
            {
                REAL zDist = z - displayed_eWall->Height();
                if ( zDist < zNear )
                {
                    const eCoord& camPos = grid->CameraPos( v );
                    const eCoord& camDir = grid->CameraDir( v );
                    eCoord base = displayed_eWall->EndPoint(0);
                    eCoord end = displayed_eWall->EndPoint(1);

                    if ( eCoord::F( base-camPos, camDir ) > 0.01f || eCoord::F( end-camPos, camDir ) > 0.01f )
                    {
                        eCoord dirNorm = end - base;
                        dirNorm.Normalize();
                        eCoord camRelative = ( camPos - base ).Turn( dirNorm.Conj() );
                        REAL dist = fabs( camRelative.y );
                        if ( camRelative.x < 0 )
                        {
                            dist -= camRelative.x;
                        }
                        if ( camRelative.x > len )
                        {
                            dist += camRelative.x - len;
                        }
                        if ( dist < zDist )
                        {
                            dist = zDist;
                        }
                        // TODO: better criterion for ingoring of walls
                        if ( dist < zNear && dist > 0.001f )
                        {
                            zNear = dist;
                        }
                    }
                }

                displayed_eWall->Render(cam);
            }
            displayed_eWall=0;

            draw_eWall(grid,v,tHeapBase::UpperL(i),zNear,cam);
            draw_eWall(grid,v,tHeapBase::UpperR(i),zNear,cam);

#ifdef DEBUG
        }
#endif 
    }
}

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static void finite_xy_plane	(	const eCoord &	pos,
		const eCoord &	dir,
		REAL	h,
		eRectangle	rect
	)			[static]

Definition at line 102 of file eDisplay.cpp.

References BeginTriangleFan(), eRectangle::GetHigh(), eRectangle::GetLow(), eRectangle::Include(), REAL, RenderEnd(), sr_floorMirror, and TexVertex().

Referenced by infinity_xy_plane().

{
    // expand plane to camera position to avoid embarrasing reflection bug
    if ( sr_floorMirror )
        rect.Include( pos );

    // fetch rectangle coordinates
    REAL lx = rect.GetLow().x;
    REAL ly = rect.GetLow().y;
    REAL hx = rect.GetHigh().x;
    REAL hy = rect.GetHigh().y;

    // draw rectangle as triangle fan (good for avoiding artefacts near pos)
    BeginTriangleFan();
    TexVertex( pos.x-dir.x, pos.y-dir.y, h );
    TexVertex(lx, ly, h);
    TexVertex(lx, hy, h);
    TexVertex(hx, hy, h);
    TexVertex(hx, ly, h);
    TexVertex(lx, ly, h);
    RenderEnd();
}

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static void infinity_xy_plane	(	eCoord const &	pos,
		const eCoord &	dir,
		REAL	h = 0
	)			[static]

Definition at line 125 of file eDisplay.cpp.

References BeginTriangleFan(), finite_xy_plane(), eWallRim::GetBounds(), REAL, RenderEnd(), se_bugRip, sr_highRim, and sr_infinityPlane.

Referenced by eGrid::display_simple(), and paint_sr_lowerSky().

                                                                             {
    bool use_rim=false;
    REAL zero=0;

    if (sr_highRim)
        use_rim=true;

    if ( se_bugRip )
        use_rim=false;

    // always use the rim if infinity rendering is turned off
    use_rim |= !sr_infinityPlane;

    if (use_rim){
        /*
          // the rim wall based rendering does not work properly for shaped arenas, so
          // it's been replaced.

                BeginTriangles();
                for(int i=se_rimWalls.Len()-1;i>=0;i--){
                    eCoord p1=se_rimWalls(i)->EndPoint(0);
                    eCoord p2=se_rimWalls(i)->EndPoint(1);

                    glTexCoord2f(pos.x, pos.y);
                    glVertex3f  (pos.x, pos.y, h);

                    glTexCoord2f(p1.x, p1.y);
                    glVertex3f  (p1.x, p1.y, h);

                    glTexCoord2f(p2.x, p2.y);
                    glVertex3f  (p2.x, p2.y, h);
                }
                RenderEnd();
        */
        finite_xy_plane( pos, dir, h, eWallRim::GetBounds() );
    }
    else
    {
        if (!sr_infinityPlane)
            zero=.001;

        BeginTriangleFan();

        glTexCoord4f(pos.x-dir.x, pos.y-dir.y, h, 1);
        glVertex4f  (pos.x-dir.x, pos.y-dir.y, h, 1);

        glTexCoord4f(1,0.1,zero*h,zero);
        glVertex4f  (1,0.1,zero*h,zero);

        glTexCoord4f(0.1,1.1,zero*h,zero);
        glVertex4f  (0.1,1.1,zero*h,zero);

        glTexCoord4f(-1,0.1,zero*h,zero);
        glVertex4f  (-1,0.1,zero*h,zero);

        glTexCoord4f(0.1,-1.1,zero*h,zero);
        glVertex4f  (0.1,-1.1,zero*h,zero);

        glTexCoord4f(1,0.1,zero*h,zero);
        glVertex4f  (1,0.1,zero*h,zero);

        RenderEnd();
    }
}

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void paint_sr_lowerSky	(	eGrid *	grid,
		int	viewer,
		bool	sr_upperSky,
		eCoord const &	camPos
	)

Definition at line 265 of file eDisplay.cpp.

References eGrid::CameraDir(), cos(), infinity_xy_plane(), lower_height, REAL, se_GameTime(), sin(), sky_select(), sr_alphaBlend, sr_skyWobble, TexMatrix(), and z.

Referenced by eGrid::display_simple().

                                                                                       {
    TexMatrix();
    glLoadIdentity();
    glScalef(.005,.005,.005);
    glEnable(GL_TEXTURE_2D);
    glDisable(GL_CULL_FACE);

    if (sr_skyWobble){
        glTranslatef(se_GameTime()*.1,se_GameTime()*.07145,0);
        glScalef(1+.2*sin(se_GameTime()),1+.1*cos(se_GameTime()),1);
        glTranslatef(-300,-200,0);
    }

    sky_select();

    REAL sa=(lower_height-z)*.1;
    if (sa>1) sa=1;
    if (!sr_upperSky){
        sa=1;
        glBlendFunc(GL_SRC_ALPHA,GL_ZERO);
    }
    if (sa>0){
        glColor4f(1,1,1,sa);
        infinity_xy_plane(camPos,grid->CameraDir(viewer),lower_height);
    }
    if (!sr_upperSky && sr_alphaBlend)
        glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
}

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bool sg_MoviePack

(

)

Definition at line 59 of file gStuff.cpp.

                   {
    return sg_moviepackInstalled && sg_moviepackUse;
}

static void sky_select

(

)

[static]

Definition at line 76 of file eDisplay.cpp.

References tDirectories::Data(), tPath::GetReadPath(), rITexture::Select(), sg_MoviePack(), sky, and sky_moviepack.

Referenced by paint_sr_lowerSky().

                        {
    if (sg_MoviePack()){
        // Since old movie packs usually don't include sky.png we need to
        // be nice and fall back to the default sky tecture. -k
        tString s = tDirectories::Data().GetReadPath( "moviepack/sky.png" );
        if(strlen(s) > 0)
            sky_moviepack.Select();
        else
            sky.Select();
    }
    else {
        sky.Select();
    }
}

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static void TexVertex	(	REAL	x,
		REAL	y,
		REAL	h
	)			[inline, static]

Definition at line 95 of file eDisplay.cpp.

Referenced by finite_xy_plane(), and gWallRim_helper().

{
    glTexCoord2f(x, y);
    glVertex3f  (x, y, h);
}

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Variable Documentation

eWall* displayed_eWall = 0

Definition at line 202 of file eDisplay.cpp.

tSettingItem<REAL> f_m("FLOOR_MIRROR_INT", sr_floorMirror_strength) [static]

REAL lower_height = 50

Definition at line 66 of file eDisplay.cpp.

Referenced by eGrid::display_simple(), gWallRim_helper(), and paint_sr_lowerSky().

short se_bugRip

Referenced by infinity_xy_plane().

rFileTexture sky(rTextureGroups::TEX_FLOOR,"textures/sky.png", 1, 1, true) [static]

Referenced by sky_select().

rFileTexture sky_moviepack(rTextureGroups::TEX_FLOOR,"moviepack/sky.png", 1, 1, true) [static]

Referenced by sky_select().

REAL sr_floorMirror_strength = .1 [static]

Definition at line 36 of file eDisplay.cpp.

Referenced by eGrid::Render().

REAL upper_height = 100

Definition at line 65 of file eDisplay.cpp.

Referenced by eGrid::display_simple(), and gWallRim_helper().

REAL z = 0 [static]

Definition at line 190 of file eDisplay.cpp.

Referenced by eGrid::display_simple(), draw_eWall(), rModel::Load(), main(), nMessage::operator<<(), paint_sr_lowerSky(), eGrid::Render(), and gAIPlayer::ThinkPath().

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