main.c File Reference

#include "sw.h"

Go to the source code of this file.

Macros
#define	NUM_BEAM_SEGS   6

Functions
void	R_InitTurb (void)
static void	R_Register (void)
static void	R_UnRegister (void)
void	R_ModeChanged (int width, int height, int flags, int rowbytes, void *pixels)
qboolean	R_Init (qboolean total)
void	R_Shutdown (qboolean total)
void	R_NewMap (void)
static void	R_MarkLeaves (void)
static void	R_DrawNullModel (void)
static int	R_DrawEntities (int translucent)
static void	R_DrawEntitiesOnList (void)
static int	R_BmodelCheckBBox (float *minmaxs)
static mnode_t *	R_FindTopnode (vec3_t mins, vec3_t maxs)
static void	RotatedBBox (vec3_t mins, vec3_t maxs, vec3_t angles, vec3_t tmins, vec3_t tmaxs)
static void	R_DrawBEntitiesOnList (void)
static void	R_EdgeDrawing (void)
byte *	IMG_ReadPixels (int *width, int *height, int *rowbytes)
void	R_RenderFrame (refdef_t *fd)
void	R_BeginFrame (void)
void	R_EndFrame (void)
void	R_DrawBeam (entity_t *e)
void	R_AddDecal (decal_t *d)

Variables
viddef_t	vid
refcfg_t	r_config
entity_t	r_worldentity
refdef_t	r_newrefdef
model_t *	currentmodel
bsp_t *	r_worldmodel
byte	r_warpbuffer [WARP_WIDTH *WARP_HEIGHT *VID_BYTES]
float	r_time1
int	r_numallocatededges
int	r_outofsurfaces
int	r_outofedges
qboolean	r_dowarp
int	c_surf
int	r_maxsurfsseen
int	r_maxedgesseen
int	r_cnumsurfs
int	r_clipflags
vec3_t	vup
vec3_t	base_vup
vec3_t	vpn
vec3_t	base_vpn
vec3_t	vright
vec3_t	base_vright
vec3_t	r_origin
oldrefdef_t	r_refdef
cplane_t	screenedge [4]
int	r_framecount = 1
int	r_visframecount
int	r_polycount
int	r_drawnpolycount
int	r_wholepolycount
int *	pfrustum_indexes [4]
int	r_frustum_indexes [4 *6]
mleaf_t *	r_viewleaf
int	r_viewcluster
int	r_oldviewcluster
cvar_t *	sw_aliasstats
cvar_t *	sw_clearcolor
cvar_t *	sw_drawflat
cvar_t *	sw_draworder
cvar_t *	sw_maxedges
cvar_t *	sw_maxsurfs
cvar_t *	sw_reportedgeout
cvar_t *	sw_reportsurfout
cvar_t *	sw_surfcacheoverride
cvar_t *	sw_waterwarp
cvar_t *	sw_dynamic
cvar_t *	sw_modulate
cvar_t *	sw_lockpvs
cvar_t *	sw_drawsird
cvar_t *	r_drawworld
cvar_t *	r_drawentities
cvar_t *	r_fullbright
cvar_t *	r_lerpmodels
cvar_t *	r_novis
cvar_t *	r_speeds
cvar_t *	vid_gamma
float	d_sdivzstepu
float	d_tdivzstepu
float	d_zistepu
float	d_sdivzstepv
float	d_tdivzstepv
float	d_zistepv
float	d_sdivzorigin
float	d_tdivzorigin
float	d_ziorigin
fixed16_t	sadjust
fixed16_t	tadjust
fixed16_t	bbextents
fixed16_t	bbextentt
pixel_t *	cacheblock
int	cachewidth
pixel_t *	d_viewbuffer
int	d_screenrowbytes
short *	d_pzbuffer
int	d_zrowbytes
int	d_zwidth
byte *	d_spantable [MAXHEIGHT]
short *	d_zspantable [MAXHEIGHT]
int	sintable [CYCLE *2]
int	intsintable [CYCLE *2]
int	blanktable [CYCLE *2]

Macro Definition Documentation

NUM_BEAM_SEGS

#define NUM_BEAM_SEGS   6

Function Documentation

IMG_ReadPixels()

byte* IMG_ReadPixels	(	int *	width,
		int *	height,
		int *	rowbytes
	)

Definition at line 768 of file main.c.

{
    byte *pixels;
    byte *src, *dst;
    int x, y;
 
    pixels = FS_AllocTempMem(vid.width * vid.height * 3);
 
    src = vid.buffer + vid.rowbytes * (vid.height - 1);
    dst = pixels;
 
    for (y = 0; y < vid.height; y++, src -= vid.rowbytes) {
        for (x = 0; x < vid.width; x++) {
            dst[0] = src[x * VID_BYTES + 2];
            dst[1] = src[x * VID_BYTES + 1];
            dst[2] = src[x * VID_BYTES + 0];
            dst += 3;
        }
    }
 
    *width = vid.width;
    *height = vid.height;
    *rowbytes = vid.width * 3;
 
    return pixels;
}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_AddDecal()

void R_AddDecal

(

decal_t *

d

)

Definition at line 923 of file main.c.

{}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_BeginFrame()

void R_BeginFrame

(

void

)

Definition at line 858 of file main.c.

{
    VID_BeginFrame();
}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_BmodelCheckBBox()

static int R_BmodelCheckBBox ( float *  minmaxs )

static

Definition at line 506 of file main.c.

{
    int         i, *pindex, clipflags;
    vec3_t      acceptpt, rejectpt;
    float       d;
 
    clipflags = 0;
 
    for (i = 0; i < 4; i++) {
        // generate accept and reject points
        // FIXME: do with fast look-ups or integer tests based on the sign bit
        // of the floating point values
 
        pindex = pfrustum_indexes[i];
 
        rejectpt[0] = minmaxs[pindex[0]];
        rejectpt[1] = minmaxs[pindex[1]];
        rejectpt[2] = minmaxs[pindex[2]];
 
        d = DotProduct(rejectpt, view_clipplanes[i].normal);
        d -= view_clipplanes[i].dist;
 
        if (d <= 0)
            return BMODEL_FULLY_CLIPPED;
 
        acceptpt[0] = minmaxs[pindex[3 + 0]];
        acceptpt[1] = minmaxs[pindex[3 + 1]];
        acceptpt[2] = minmaxs[pindex[3 + 2]];
 
        d = DotProduct(acceptpt, view_clipplanes[i].normal);
        d -= view_clipplanes[i].dist;
 
        if (d <= 0)
            clipflags |= (1 << i);
    }
 
    return clipflags;
}

Referenced by R_DrawBEntitiesOnList().

R_DrawBeam()

void R_DrawBeam

(

entity_t *

e

)

Definition at line 871 of file main.c.

{
#define NUM_BEAM_SEGS 6
 
    color_t color;
    int i;
 
    vec3_t perpvec;
    vec3_t direction, normalized_direction;
    vec3_t start_points[NUM_BEAM_SEGS], end_points[NUM_BEAM_SEGS];
    vec3_t oldorigin, origin;
 
    oldorigin[0] = e->oldorigin[0];
    oldorigin[1] = e->oldorigin[1];
    oldorigin[2] = e->oldorigin[2];
 
    origin[0] = e->origin[0];
    origin[1] = e->origin[1];
    origin[2] = e->origin[2];
 
    normalized_direction[0] = direction[0] = oldorigin[0] - origin[0];
    normalized_direction[1] = direction[1] = oldorigin[1] - origin[1];
    normalized_direction[2] = direction[2] = oldorigin[2] - origin[2];
 
    if (VectorNormalize(normalized_direction) == 0)
        return;
 
    PerpendicularVector(perpvec, normalized_direction);
    VectorScale(perpvec, e->frame / 2, perpvec);
 
    for (i = 0; i < NUM_BEAM_SEGS; i++) {
        RotatePointAroundVector(start_points[i], normalized_direction,
                                perpvec, (360.0f / NUM_BEAM_SEGS) * i);
        VectorAdd(start_points[i], origin, start_points[i]);
        VectorAdd(start_points[i], direction, end_points[i]);
    }
 
    if (e->skinnum == -1)
        color.u32 = e->rgba.u32;
    else
        color.u32 = d_8to24table[e->skinnum & 0xFF];
 
    for (i = 0; i < NUM_BEAM_SEGS; i++) {
        R_IMFlatShadedQuad(start_points[i],
                           end_points[i],
                           end_points[(i + 1) % NUM_BEAM_SEGS],
                           start_points[(i + 1) % NUM_BEAM_SEGS],
                           color,
                           e->alpha);
    }
}

Referenced by R_DrawEntities().

R_DrawBEntitiesOnList()

static void R_DrawBEntitiesOnList ( void  )

static

Definition at line 646 of file main.c.

{
    int         i, index, clipflags;
    vec3_t      oldorigin;
    vec3_t      mins, maxs;
    float       minmaxs[6];
    mnode_t     *topnode;
    mmodel_t    *model;
 
    if (!r_drawentities->integer)
        return;
 
    VectorCopy(modelorg, oldorigin);
    insubmodel = qtrue;
    r_dlightframecount = r_framecount;
 
    for (i = 0; i < r_newrefdef.num_entities; i++) {
        currententity = &r_newrefdef.entities[i];
        index = currententity->model;
        if (!(index & 0x80000000)) {
            continue;
        }
        index = ~index;
        if (index < 1 || index >= r_worldmodel->nummodels) {
            Com_Error(ERR_DROP, "%s: inline model %d out of range",
                      __func__, index);
        }
        model = &r_worldmodel->models[index];
        if (model->numfaces == 0)
            continue;   // clip brush only
        if (currententity->flags & RF_BEAM)
            continue;
        // see if the bounding box lets us trivially reject, also sets
        // trivial accept status
        RotatedBBox(model->mins, model->maxs,
                    currententity->angles, mins, maxs);
        VectorAdd(mins, currententity->origin, minmaxs);
        VectorAdd(maxs, currententity->origin, (minmaxs + 3));
 
        clipflags = R_BmodelCheckBBox(minmaxs);
        if (clipflags == BMODEL_FULLY_CLIPPED)
            continue;   // off the edge of the screen
 
        topnode = R_FindTopnode(minmaxs, minmaxs + 3);
        if (!topnode)
            continue;   // no part in a visible leaf
 
        VectorCopy(currententity->origin, r_entorigin);
        VectorSubtract(r_origin, r_entorigin, modelorg);
 
        // FIXME: stop transforming twice
        R_RotateBmodel();
 
        // calculate dynamic lighting for bmodel
        R_MarkLights(model->headnode);
 
        if (topnode->plane) {
            // not a leaf; has to be clipped to the world BSP
            r_clipflags = clipflags;
            R_DrawSolidClippedSubmodelPolygons(model, topnode);
        } else {
            // falls entirely in one leaf, so we just put all the
            // edges in the edge list and let 1/z sorting handle
            // drawing order
            R_DrawSubmodelPolygons(model, clipflags, topnode);
        }
 
        // put back world rotation and frustum clipping
        // FIXME: R_RotateBmodel should just work off base_vxx
        VectorCopy(base_vpn, vpn);
        VectorCopy(base_vup, vup);
        VectorCopy(base_vright, vright);
        VectorCopy(oldorigin, modelorg);
        R_TransformFrustum();
    }
 
    insubmodel = qfalse;
}

Referenced by R_EdgeDrawing().

R_DrawEntities()

static int R_DrawEntities ( int  translucent )

static

Definition at line 433 of file main.c.

{
    int         i;
    qboolean    translucent_entities = 0;
 
    // all bmodels have already been drawn by the edge list
    for (i = 0; i < r_newrefdef.num_entities; i++) {
        currententity = &r_newrefdef.entities[i];
 
        if ((currententity->flags & RF_TRANSLUCENT) == translucent) {
            translucent_entities++;
            continue;
        }
 
        if (currententity->flags & RF_BEAM) {
            modelorg[0] = -r_origin[0];
            modelorg[1] = -r_origin[1];
            modelorg[2] = -r_origin[2];
            VectorCopy(vec3_origin, r_entorigin);
            R_DrawBeam(currententity);
        } else {
            if (currententity->model & 0x80000000) {
                continue;
            }
            currentmodel = MOD_ForHandle(currententity->model);
            if (!currentmodel) {
                R_DrawNullModel();
                continue;
            }
            VectorCopy(currententity->origin, r_entorigin);
            VectorSubtract(r_origin, r_entorigin, modelorg);
 
            switch (currentmodel->type) {
            case MOD_ALIAS:
                R_AliasDrawModel();
                break;
            case MOD_SPRITE:
                R_DrawSprite();
                break;
            case MOD_EMPTY:
                break;
            default:
                Com_Error(ERR_FATAL, "%s: bad model type", __func__);
            }
        }
    }
    return translucent_entities;
}

Referenced by R_DrawEntitiesOnList().

R_DrawEntitiesOnList()

static void R_DrawEntitiesOnList ( void  )

static

Definition at line 487 of file main.c.

{
    int         translucent_entities;
 
    if (!r_drawentities->integer)
        return;
 
    translucent_entities = R_DrawEntities(RF_TRANSLUCENT);
    if (translucent_entities) {
        R_DrawEntities(0);
    }
}

Referenced by R_RenderFrame().

R_DrawNullModel()

static void R_DrawNullModel ( void  )

static

Definition at line 429 of file main.c.

{
}

Referenced by R_DrawEntities().

R_EdgeDrawing()

static void R_EdgeDrawing ( void  )

static

Definition at line 731 of file main.c.

{
    edge_t  ledges[NUMSTACKEDGES +
                   ((CACHE_SIZE - 1) / sizeof(edge_t)) + 1];
    surf_t  lsurfs[NUMSTACKSURFACES +
                   ((CACHE_SIZE - 1) / sizeof(surf_t)) + 1];
 
    if (r_newrefdef.rdflags & RDF_NOWORLDMODEL)
        return;
 
    if (auxedges) {
        r_edges = auxedges;
    } else {
        r_edges = (edge_t *)
                  (((uintptr_t)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
    }
 
    if (!auxsurfaces) {
        surfaces = (surf_t *)
                   (((uintptr_t)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
        surf_max = &surfaces[r_cnumsurfs];
        // surface 0 doesn't really exist; it's just a dummy because index 0
        // is used to indicate no edge attached to surface
        surfaces--;
    }
 
    R_BeginEdgeFrame();
 
    R_RenderWorld();
 
    R_DrawBEntitiesOnList();
 
    R_ScanEdges();
}

Referenced by R_RenderFrame().

R_EndFrame()

void R_EndFrame

(

void

)

Definition at line 863 of file main.c.

{
    VID_EndFrame();
}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_FindTopnode()

static mnode_t* R_FindTopnode ( vec3_t  mins, vec3_t  maxs  )

static

Definition at line 553 of file main.c.

{
    int         sides;
    mnode_t     *node;
 
    node = r_worldmodel->nodes;
 
    while (node->visframe == r_visframecount) {
        if (!node->plane) {
            if (((mleaf_t *)node)->contents != CONTENTS_SOLID)
                return node;    // we've reached a non-solid leaf, so it's
                                // visible and not BSP clipped
            return NULL;    // in solid, so not visible
        }
 
        sides = BoxOnPlaneSideFast(mins, maxs, node->plane);
 
        if (sides == BOX_INTERSECTS)
            return node;    // this is the splitter
 
        // not split yet; recurse down the contacted side
        if (sides & BOX_INFRONT)
            node = node->children[0];
        else
            node = node->children[1];
    }
 
    return NULL;        // not visible at all
}

Referenced by R_DrawBEntitiesOnList().

R_Init()

qboolean R_Init

(

qboolean

total

)

Definition at line 234 of file main.c.

{
    Com_DPrintf("R_Init( %i )\n", total);
 
    if (!total) {
        R_InitImages();
        R_InitDraw();
        MOD_Init();
        return qtrue;
    }
 
    Com_DPrintf("ref_soft " VERSION ", " __DATE__ "\n");
 
    // create the window
    if (!VID_Init())
        return qfalse;
 
    R_Register();
 
    IMG_Init();
 
    MOD_Init();
 
    R_InitImages();
 
    R_InitSkyBox();
 
    view_clipplanes[0].leftedge = qtrue;
    view_clipplanes[1].rightedge = qtrue;
    view_clipplanes[1].leftedge =
    view_clipplanes[2].leftedge =
    view_clipplanes[3].leftedge = qfalse;
    view_clipplanes[0].rightedge =
    view_clipplanes[2].rightedge =
    view_clipplanes[3].rightedge = qfalse;
 
    R_InitTurb();
 
    return qtrue;
}

Referenced by CL_RestartFilesystem(), CL_RestartRefresh(), R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_InitTurb()

void R_InitTurb

(

void

)

Definition at line 142 of file main.c.

{
    int     i;
 
    for (i = 0; i < CYCLE * 2; i++) {
        sintable[i] = AMP + sin(i * M_PI * 2 / CYCLE) * AMP;
        intsintable[i] = AMP2 + sin(i * M_PI * 2 / CYCLE) * AMP2; // AMP2, not 20
        blanktable[i] = 0;
    }
}

Referenced by R_Init().

R_MarkLeaves()

static void R_MarkLeaves ( void  )

static

Definition at line 375 of file main.c.

{
    byte    vis[VIS_MAX_BYTES];
    mnode_t *node;
    int     i;
    mleaf_t *leaf;
    int     cluster;
 
    if (r_oldviewcluster == r_viewcluster && !r_novis->integer &&
        r_viewcluster != -1) {
        return;
    }
 
    // development aid to let you run around and see exactly where
    // the pvs ends
    if (sw_lockpvs->integer)
        return;
 
    r_visframecount++;
    r_oldviewcluster = r_viewcluster;
 
    if (r_novis->integer || r_viewcluster == -1 || !r_worldmodel->vis) {
        // mark everything
        for (i = 0; i < r_worldmodel->numleafs; i++)
            r_worldmodel->leafs[i].visframe = r_visframecount;
        for (i = 0; i < r_worldmodel->numnodes; i++)
            r_worldmodel->nodes[i].visframe = r_visframecount;
        return;
    }
 
    BSP_ClusterVis(r_worldmodel, vis, r_viewcluster, DVIS_PVS);
 
    for (i = 0, leaf = r_worldmodel->leafs; i < r_worldmodel->numleafs; i++, leaf++) {
        cluster = leaf->cluster;
        if (cluster == -1)
            continue;
        if (Q_IsBitSet(vis, cluster)) {
            node = (mnode_t *)leaf;
            do {
                if (node->visframe == r_visframecount)
                    break;
                node->visframe = r_visframecount;
                node = node->parent;
            } while (node);
        }
    }
 
}

Referenced by R_RenderFrame().

R_ModeChanged()

void R_ModeChanged	(	int	width,
		int	height,
		int	flags,
		int	rowbytes,
		void *	pixels
	)

Definition at line 191 of file main.c.

{
    vid.width = width > MAXWIDTH ? MAXWIDTH : width;
    vid.height = height > MAXHEIGHT ? MAXHEIGHT : height;
    vid.buffer = pixels;
    vid.rowbytes = rowbytes;
 
    if (width > MAXWIDTH)
        vid.buffer += (width - MAXWIDTH) * VID_BYTES / 2;
 
    if (height > MAXHEIGHT)
        vid.buffer += (height - MAXHEIGHT) * rowbytes / 2;
 
    r_config.width = vid.width;
    r_config.height = vid.height;
    r_config.flags = flags;
 
    R_SetClipRect(NULL);
 
    sw_surfcacheoverride = Cvar_Get("sw_surfcacheoverride", "0", 0);
 
    D_FlushCaches();
 
    if (d_pzbuffer) {
        Z_Free(d_pzbuffer);
        d_pzbuffer = NULL;
    }
 
    // free surface cache
    R_FreeCaches();
 
    d_pzbuffer = R_Mallocz(vid.width * vid.height * 2);
    d_zrowbytes = vid.width * 2;
    d_zwidth = vid.width;
 
    R_InitCaches();
}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_NewMap()

void R_NewMap

(

void

)

Definition at line 331 of file main.c.

{
    r_viewcluster = -1;
 
    if (auxsurfaces) {
        Z_Free(auxsurfaces);
        auxsurfaces = NULL;
    }
 
    if (auxedges) {
        Z_Free(auxedges);
        auxedges = NULL;
    }
 
    r_cnumsurfs = Cvar_ClampInteger(sw_maxsurfs, MINSURFACES, MAXSURFACES);
 
    if (r_cnumsurfs > NUMSTACKSURFACES) {
        surfaces = auxsurfaces = R_Mallocz(r_cnumsurfs * sizeof(surf_t));
        surface_p = surfaces;
        surf_max = &surfaces[r_cnumsurfs];
        // surface 0 doesn't really exist; it's just a dummy because index 0
        // is used to indicate no edge attached to surface
        surfaces--;
    }
 
    r_maxedgesseen = 0;
    r_maxsurfsseen = 0;
 
    r_numallocatededges = Cvar_ClampInteger(sw_maxedges, MINEDGES, MAXEDGES);
 
    if (r_numallocatededges > NUMSTACKEDGES) {
        auxedges = R_Mallocz(r_numallocatededges * sizeof(edge_t));
    }
}

Referenced by R_BeginRegistration().

R_Register()

static void R_Register ( void  )

static

Definition at line 153 of file main.c.

{
    sw_aliasstats = Cvar_Get("sw_polymodelstats", "0", 0);
    sw_clearcolor = Cvar_Get("sw_clearcolor", "2", 0);
    sw_drawflat = Cvar_Get("sw_drawflat", "0", CVAR_CHEAT);
    sw_draworder = Cvar_Get("sw_draworder", "0", CVAR_CHEAT);
    sw_maxedges = Cvar_Get("sw_maxedges", STRINGIFY(NUMSTACKEDGES), 0);
    sw_maxsurfs = Cvar_Get("sw_maxsurfs", STRINGIFY(NUMSTACKSURFACES), 0);
    sw_mipcap = Cvar_Get("sw_mipcap", "0", 0);
    sw_mipscale = Cvar_Get("sw_mipscale", "1", 0);
    sw_reportedgeout = Cvar_Get("sw_reportedgeout", "0", 0);
    sw_reportsurfout = Cvar_Get("sw_reportsurfout", "0", 0);
    sw_waterwarp = Cvar_Get("sw_waterwarp", "1", 0);
    sw_dynamic = Cvar_Get("sw_dynamic", "1", 0);
    sw_modulate = Cvar_Get("sw_modulate", "1", 0);
    sw_lockpvs = Cvar_Get("sw_lockpvs", "0", 0);
 
    //Start Added by Lewey
    sw_drawsird = Cvar_Get("sw_drawsird", "0", 0);
    //End Added by Lewey
 
    r_speeds = Cvar_Get("r_speeds", "0", 0);
    r_fullbright = Cvar_Get("r_fullbright", "0", CVAR_CHEAT);
    r_drawentities = Cvar_Get("r_drawentities", "1", 0);
    r_drawworld = Cvar_Get("r_drawworld", "1", CVAR_CHEAT);
    r_lerpmodels = Cvar_Get("r_lerpmodels", "1", 0);
    r_novis = Cvar_Get("r_novis", "0", 0);
 
    vid_gamma = Cvar_Get("vid_gamma", "1.0", CVAR_ARCHIVE | CVAR_FILES);
 
    Cmd_AddCommand("scdump", D_SCDump_f);
}

Referenced by R_Init().

R_RenderFrame()

void R_RenderFrame

(

refdef_t *

fd

)

Definition at line 803 of file main.c.

{
    r_newrefdef = *fd;
 
    if (!r_worldmodel && !(r_newrefdef.rdflags & RDF_NOWORLDMODEL))
        Com_Error(ERR_FATAL, "R_RenderView: NULL worldmodel");
 
    if (!sw_dynamic->integer)
        r_newrefdef.num_dlights = 0;
 
    if (r_speeds->integer)
        r_time1 = Sys_Milliseconds();
 
    R_SetupFrame();
 
    R_MarkLeaves();     // done here so we know if we're in water
 
    if (r_worldmodel)
        R_MarkLights(r_worldmodel->nodes);
 
    R_EdgeDrawing();
 
    R_DrawEntitiesOnList();
 
    R_DrawParticles();
 
    R_DrawAlphaSurfaces();
 
    //Start Replaced by Lewey
    if (sw_drawsird->integer && !(r_newrefdef.rdflags & RDF_NOWORLDMODEL)) {
        R_ApplySIRDAlgorithum();
    } else {
        //don't do warp if we are doing SIRD because the warp
        //would make the SIRD impossible to see.
        if (r_dowarp)
            D_WarpScreen();
    }
    //End Replaced by Lewey
 
    if (sw_aliasstats->integer)
        R_PrintAliasStats();
 
    if (r_speeds->integer)
        R_PrintTimes();
 
    if (sw_reportsurfout->integer && r_outofsurfaces)
        Com_Printf("Short %d surfaces\n", r_outofsurfaces);
 
    if (sw_reportedgeout->integer && r_outofedges)
        Com_Printf("Short roughly %d edges\n", r_outofedges * 2 / 3);
}

Referenced by R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_Shutdown()

void R_Shutdown

(

qboolean

total

)

Definition at line 280 of file main.c.

{
    Com_DPrintf("R_Shutdown( %i )\n", total);
 
    D_FlushCaches();
 
    MOD_Shutdown();
 
    R_ShutdownImages();
 
    if (auxsurfaces) {
        Z_Free(auxsurfaces);
        auxsurfaces = NULL;
    }
 
    if (auxedges) {
        Z_Free(auxedges);
        auxedges = NULL;
    }
 
    // free world model
    if (r_worldmodel) {
        BSP_Free(r_worldmodel);
        r_worldmodel = NULL;
    }
 
    if (!total) {
        return;
    }
 
    // free z buffer
    if (d_pzbuffer) {
        Z_Free(d_pzbuffer);
        d_pzbuffer = NULL;
    }
 
    // free surface cache
    R_FreeCaches();
 
    R_UnRegister();
 
    IMG_Shutdown();
 
    VID_Shutdown();
}

Referenced by CL_RestartFilesystem(), CL_RestartRefresh(), R_RegisterFunctionsGL(), and R_RegisterFunctionsRTX().

R_UnRegister()

static void R_UnRegister ( void  )

static

Definition at line 186 of file main.c.

{
    Cmd_RemoveCommand("scdump");
}

Referenced by R_Shutdown().

RotatedBBox()

static void RotatedBBox ( vec3_t  mins, vec3_t  maxs, vec3_t  angles, vec3_t  tmins, vec3_t  tmaxs  )

static

Definition at line 591 of file main.c.

{
    vec3_t  tmp, v;
    int     i, j;
    vec3_t  forward, right, up;
 
    if (!angles[0] && !angles[1] && !angles[2]) {
        VectorCopy(mins, tmins);
        VectorCopy(maxs, tmaxs);
        return;
    }
 
    for (i = 0; i < 3; i++) {
        tmins[i] = 99999;
        tmaxs[i] = -99999;
    }
 
    AngleVectors(angles, forward, right, up);
 
    for (i = 0; i < 8; i++) {
        if (i & 1)
            tmp[0] = mins[0];
        else
            tmp[0] = maxs[0];
 
        if (i & 2)
            tmp[1] = mins[1];
        else
            tmp[1] = maxs[1];
 
        if (i & 4)
            tmp[2] = mins[2];
        else
            tmp[2] = maxs[2];
 
 
        VectorScale(forward, tmp[0], v);
        VectorMA(v, -tmp[1], right, v);
        VectorMA(v, tmp[2], up, v);
 
        for (j = 0; j < 3; j++) {
            if (v[j] < tmins[j])
                tmins[j] = v[j];
            if (v[j] > tmaxs[j])
                tmaxs[j] = v[j];
        }
    }
}

Referenced by R_DrawBEntitiesOnList().

Variable Documentation

base_vpn

vec3_t base_vpn

Definition at line 50 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_DrawBEntitiesOnList(), and R_SetupFrame().

base_vright

vec3_t base_vright

Definition at line 51 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_DrawBEntitiesOnList(), and R_SetupFrame().

base_vup

vec3_t base_vup

Definition at line 49 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_DrawBEntitiesOnList(), and R_SetupFrame().

bbextents

fixed16_t bbextents

Definition at line 120 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

bbextentt

fixed16_t bbextentt

Definition at line 120 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

blanktable

int blanktable[CYCLE *2]

Definition at line 135 of file main.c.

Referenced by D_TurbulentSurf(), R_InitTurb(), and R_PolygonDrawSpans().

c_surf

int c_surf

Definition at line 42 of file main.c.

Referenced by D_CacheSurface(), and R_PrintTimes().

cacheblock

pixel_t* cacheblock

Definition at line 122 of file main.c.

Referenced by D_DrawSpans16(), D_DrawTurbulent16(), D_SkySurf(), D_SolidSurf(), D_TurbulentSurf(), R_DrawPoly(), and R_PolygonDrawSpans().

cachewidth

int cachewidth

Definition at line 123 of file main.c.

Referenced by D_DrawSpans16(), D_SkySurf(), D_SolidSurf(), D_TurbulentSurf(), R_DrawPoly(), R_DrawSpanletAlphaTestBlended(), R_DrawSpanletBlended(), and R_DrawSpanletOpaque().

currentmodel

model_t* currentmodel

Definition at line 29 of file main.c.

Referenced by R_AliasPreparePoints(), R_AliasSetupFrames(), R_AliasSetupSkin(), R_DrawEntities(), and R_DrawSprite().

d_pzbuffer

short* d_pzbuffer

Definition at line 127 of file main.c.

Referenced by R_ApplySIRDAlgorithum(), R_ModeChanged(), R_SetupFrame(), and R_Shutdown().

d_screenrowbytes

int d_screenrowbytes

Definition at line 126 of file main.c.

Referenced by R_DrawParticle(), R_PolysetSetUpAndScanLeftEdge(), and R_SetupFrame().

d_sdivzorigin

float d_sdivzorigin

Definition at line 118 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_sdivzstepu

float d_sdivzstepu

Definition at line 116 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_sdivzstepv

float d_sdivzstepv

Definition at line 117 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_spantable

byte* d_spantable[MAXHEIGHT]

Definition at line 130 of file main.c.

Referenced by D_DrawSpans16(), D_DrawTurbulent16(), D_FlatFillSurface(), R_DrawParticle(), R_PolygonDrawSpans(), R_PolysetSetUpAndScanLeftEdge(), and R_SetupFrame().

d_tdivzorigin

float d_tdivzorigin

Definition at line 118 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_tdivzstepu

float d_tdivzstepu

Definition at line 116 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_tdivzstepv

float d_tdivzstepv

Definition at line 117 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_viewbuffer

pixel_t* d_viewbuffer

Definition at line 125 of file main.c.

Referenced by R_SetupFrame().

d_ziorigin

float d_ziorigin

Definition at line 118 of file main.c.

Referenced by D_BackgroundSurf(), D_DrawflatSurfaces(), D_DrawSpans16(), D_DrawTurbulent16(), D_DrawZSpans(), D_DrawZSurfaces(), D_SkySurf(), D_SolidSurf(), D_TurbulentSurf(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_zistepu

float d_zistepu

Definition at line 116 of file main.c.

Referenced by D_BackgroundSurf(), D_DrawflatSurfaces(), D_DrawSpans16(), D_DrawTurbulent16(), D_DrawZSpans(), D_DrawZSurfaces(), D_SkySurf(), D_SolidSurf(), D_TurbulentSurf(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_zistepv

float d_zistepv

Definition at line 117 of file main.c.

Referenced by D_BackgroundSurf(), D_DrawflatSurfaces(), D_DrawSpans16(), D_DrawTurbulent16(), D_DrawZSpans(), D_DrawZSurfaces(), D_SkySurf(), D_SolidSurf(), D_TurbulentSurf(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

d_zrowbytes

int d_zrowbytes

Definition at line 128 of file main.c.

Referenced by R_ModeChanged().

d_zspantable

short* d_zspantable[MAXHEIGHT]

Definition at line 131 of file main.c.

Referenced by D_DrawZSpans(), R_DrawParticle(), R_PolygonDrawSpans(), R_PolysetSetUpAndScanLeftEdge(), and R_SetupFrame().

d_zwidth

int d_zwidth

Definition at line 129 of file main.c.

Referenced by R_DrawParticle(), R_ModeChanged(), R_PolysetSetUpAndScanLeftEdge(), and R_SetupFrame().

intsintable

int intsintable[CYCLE *2]

Definition at line 134 of file main.c.

Referenced by D_WarpScreen(), and R_InitTurb().

pfrustum_indexes

int* pfrustum_indexes[4]

Definition at line 70 of file main.c.

Referenced by R_BmodelCheckBBox(), R_RecursiveWorldNode(), and R_SetUpFrustumIndexes().

r_clipflags

int r_clipflags

Definition at line 44 of file main.c.

Referenced by R_DrawBEntitiesOnList(), and R_RenderBmodelFace().

r_cnumsurfs

int r_cnumsurfs

Definition at line 43 of file main.c.

Referenced by R_EdgeDrawing(), and R_NewMap().

r_config

refcfg_t r_config

Definition at line 24 of file main.c.

Referenced by CL_UpdateFrameTimes(), evaluate_reference_mode(), R_Init_RTX(), R_ModeChanged(), R_ModeChanged_GL(), and R_ModeChanged_RTX().

r_dowarp

qboolean r_dowarp

Definition at line 40 of file main.c.

Referenced by R_ApplySIRDAlgorithum(), R_RenderFrame(), and R_SetupFrame().

r_drawentities

cvar_t* r_drawentities

Definition at line 97 of file main.c.

Referenced by R_DrawBEntitiesOnList(), R_DrawEntitiesOnList(), and R_Register().

r_drawnpolycount

int r_drawnpolycount

Definition at line 67 of file main.c.

Referenced by D_DrawSurfaces(), R_PrintTimes(), and R_SetupFrame().

r_drawworld

cvar_t* r_drawworld

Definition at line 96 of file main.c.

Referenced by R_Register(), and R_RenderWorld().

r_framecount

int r_framecount = 1

Definition at line 64 of file main.c.

Referenced by D_CacheSurface(), R_BuildLightMap(), R_ClipEdge(), R_DrawBEntitiesOnList(), R_EmitEdge(), R_EmitSkyBox(), R_MarkLights(), R_RecursiveWorldNode(), R_RenderFace(), and R_SetupFrame().

r_frustum_indexes

int r_frustum_indexes[4 *6]

Definition at line 71 of file main.c.

Referenced by R_SetUpFrustumIndexes().

r_fullbright

cvar_t* r_fullbright

Definition at line 98 of file main.c.

Referenced by R_BuildLightMap(), R_LightPoint(), R_Register(), and R_SetupFrame().

r_lerpmodels

cvar_t* r_lerpmodels

Definition at line 99 of file main.c.

Referenced by R_AliasDrawModel(), and R_Register().

r_maxedgesseen

int r_maxedgesseen

Definition at line 43 of file main.c.

Referenced by R_NewMap().

r_maxsurfsseen

int r_maxsurfsseen

Definition at line 43 of file main.c.

Referenced by R_NewMap().

r_newrefdef

refdef_t r_newrefdef

Definition at line 28 of file main.c.

Referenced by _R_LightPoint(), D_CacheSurface(), D_CalcGradients(), D_DrawTurbulent16(), D_WarpScreen(), R_AddDynamicLights(), R_AliasSetupLighting(), R_BuildPolygonFromSurface(), R_DrawBEntitiesOnList(), R_DrawEntities(), R_DrawParticles(), R_EdgeDrawing(), R_LightPoint(), R_MarkLights(), R_PolygonDrawSpans(), R_RecursiveClipBPoly(), R_RecursiveWorldNode(), R_RenderFrame(), R_RenderWorld(), R_SetupFrame(), and R_ViewChanged().

r_novis

cvar_t* r_novis

Definition at line 100 of file main.c.

Referenced by R_MarkLeaves(), and R_Register().

r_numallocatededges

int r_numallocatededges

Definition at line 36 of file main.c.

Referenced by R_BeginEdgeFrame(), and R_NewMap().

r_oldviewcluster

int r_oldviewcluster

Definition at line 74 of file main.c.

Referenced by R_BeginRegistration(), and R_MarkLeaves().

r_origin

vec3_t r_origin

Definition at line 52 of file main.c.

Referenced by D_DrawSurfaces(), D_SolidSurf(), D_TurbulentSurf(), R_AliasSetUpTransform(), R_BuildPolygonFromSurface(), R_ClipAndDrawPoly(), R_DrawAlphaSurfaces(), R_DrawBEntitiesOnList(), R_DrawEntities(), R_DrawParticle(), R_EmitSkyBox(), R_IMFlatShadedQuad(), R_RenderWorld(), and R_SetupFrame().

r_outofedges

int r_outofedges

Definition at line 38 of file main.c.

Referenced by R_RenderBmodelFace(), R_RenderFace(), R_RenderFrame(), and R_SetupFrame().

r_outofsurfaces

int r_outofsurfaces

Definition at line 37 of file main.c.

Referenced by R_RenderBmodelFace(), R_RenderFace(), R_RenderFrame(), and R_SetupFrame().

r_polycount

int r_polycount

Definition at line 66 of file main.c.

Referenced by R_PrintTimes(), R_RenderBmodelFace(), R_RenderFace(), and R_SetupFrame().

r_refdef

oldrefdef_t r_refdef

Definition at line 57 of file main.c.

Referenced by D_CalcGradients(), D_SolidSurf(), D_WarpScreen(), R_Alias_clip_bottom(), R_Alias_clip_left(), R_Alias_clip_right(), R_Alias_clip_top(), R_AliasClip(), R_AliasClipTriangle(), R_AliasDrawModel(), R_AliasProjectAndClipTestFinalVert(), R_BeginEdgeFrame(), R_ClipAndDrawPoly(), R_DrawParticle(), R_DrawParticles(), R_EmitEdge(), R_PolygonCalculateGradients(), R_PolygonScanRightEdge(), R_RenderBmodelFace(), R_RenderFace(), R_ScanEdges(), and R_ViewChanged().

r_speeds

cvar_t* r_speeds

Definition at line 102 of file main.c.

Referenced by R_Register(), and R_RenderFrame().

r_time1

float r_time1

Definition at line 35 of file main.c.

Referenced by R_PrintTimes(), and R_RenderFrame().

r_viewcluster

int r_viewcluster

Definition at line 74 of file main.c.

Referenced by R_MarkLeaves(), R_NewMap(), and R_SetupFrame().

r_viewleaf

mleaf_t* r_viewleaf

Definition at line 73 of file main.c.

Referenced by R_SetupFrame().

r_visframecount

int r_visframecount

Definition at line 65 of file main.c.

Referenced by R_FindTopnode(), R_MarkLeaves(), R_RecursiveClipBPoly(), and R_RecursiveWorldNode().

r_warpbuffer

byte r_warpbuffer[WARP_WIDTH *WARP_HEIGHT *VID_BYTES]

Definition at line 33 of file main.c.

Referenced by D_WarpScreen(), and R_SetupFrame().

r_wholepolycount

int r_wholepolycount

Definition at line 68 of file main.c.

Referenced by R_SetupFrame().

r_worldentity

entity_t r_worldentity

Definition at line 26 of file main.c.

Referenced by D_SolidSurf(), R_AddDynamicLights(), and R_RenderWorld().

r_worldmodel

bsp_t* r_worldmodel

Definition at line 31 of file main.c.

Referenced by _R_LightPoint(), R_BeginRegistration(), R_DrawBEntitiesOnList(), R_FindTopnode(), R_LightPoint(), R_MarkLeaves(), R_RenderFrame(), R_RenderWorld(), R_SetupFrame(), and R_Shutdown().

sadjust

fixed16_t sadjust

Definition at line 120 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

screenedge

cplane_t screenedge[4]

Definition at line 59 of file main.c.

Referenced by R_TransformFrustum(), and R_ViewChanged().

sintable

int sintable[CYCLE *2]

Definition at line 133 of file main.c.

Referenced by D_TurbulentSurf(), R_InitTurb(), and R_PolygonDrawSpans().

sw_aliasstats

cvar_t* sw_aliasstats

Definition at line 76 of file main.c.

Referenced by R_Register(), and R_RenderFrame().

sw_clearcolor

cvar_t* sw_clearcolor

Definition at line 77 of file main.c.

Referenced by D_BackgroundSurf(), and R_Register().

sw_drawflat

cvar_t* sw_drawflat

Definition at line 78 of file main.c.

Referenced by D_DrawSurfaces(), and R_Register().

sw_draworder

cvar_t* sw_draworder

Definition at line 79 of file main.c.

Referenced by R_BeginEdgeFrame(), and R_Register().

sw_drawsird

cvar_t* sw_drawsird

Definition at line 93 of file main.c.

Referenced by D_DrawSurfaces(), R_ApplySIRDAlgorithum(), R_Register(), and R_RenderFrame().

sw_dynamic

cvar_t* sw_dynamic

Definition at line 86 of file main.c.

Referenced by R_Register(), and R_RenderFrame().

sw_lockpvs

cvar_t* sw_lockpvs

Definition at line 88 of file main.c.

Referenced by R_MarkLeaves(), and R_Register().

sw_maxedges

cvar_t* sw_maxedges

Definition at line 80 of file main.c.

Referenced by R_NewMap(), and R_Register().

sw_maxsurfs

cvar_t* sw_maxsurfs

Definition at line 81 of file main.c.

Referenced by R_NewMap(), and R_Register().

sw_modulate

cvar_t* sw_modulate

Definition at line 87 of file main.c.

Referenced by D_CacheSurface(), R_AddDynamicLights(), R_LightPoint(), and R_Register().

sw_reportedgeout

cvar_t* sw_reportedgeout

Definition at line 82 of file main.c.

Referenced by R_Register(), and R_RenderFrame().

sw_reportsurfout

cvar_t* sw_reportsurfout

Definition at line 83 of file main.c.

Referenced by R_Register(), and R_RenderFrame().

sw_surfcacheoverride

cvar_t* sw_surfcacheoverride

Definition at line 84 of file main.c.

Referenced by R_InitCaches(), and R_ModeChanged().

sw_waterwarp

cvar_t* sw_waterwarp

Definition at line 85 of file main.c.

Referenced by R_Register(), and R_SetupFrame().

tadjust

fixed16_t tadjust

Definition at line 120 of file main.c.

Referenced by D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), R_PolygonCalculateGradients(), and R_PolygonDrawSpans().

vid

viddef_t vid

Definition at line 22 of file main.c.

Referenced by D_WarpScreen(), IMG_ReadPixels(), R_ApplySIRDAlgorithum(), R_DrawFill32(), R_DrawFill8(), R_DrawFixedData(), R_DrawStretchData(), R_InitCaches(), R_ModeChanged(), R_SetupFrame(), and R_TileClear().

vid_gamma

cvar_t* vid_gamma

Definition at line 104 of file main.c.

Referenced by R_BuildGammaTable(), and R_Register().

vpn

vec3_t vpn

Definition at line 50 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_AliasSetUpTransform(), R_DrawBEntitiesOnList(), R_DrawParticles(), R_DrawSprite(), R_RotateBmodel(), R_SetupFrame(), R_TransformFrustum(), and R_TransformVector().

vright

vec3_t vright

Definition at line 51 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_AliasSetUpTransform(), R_DrawBEntitiesOnList(), R_DrawParticles(), R_DrawSprite(), R_RotateBmodel(), R_SetupFrame(), R_TransformFrustum(), and R_TransformVector().

vup

vec3_t vup

Definition at line 49 of file main.c.

Referenced by D_SolidSurf(), D_TurbulentSurf(), R_AliasSetUpTransform(), R_DrawBEntitiesOnList(), R_DrawParticles(), R_DrawSprite(), R_RotateBmodel(), R_SetupFrame(), R_TransformFrustum(), and R_TransformVector().