static void R_SkySphere(void)
{
double speedscale;
static qboolean skysphereinitialized = false;
matrix4x4_t scroll1matrix, scroll2matrix;
if (!skysphereinitialized)
{
skysphereinitialized = true;
skyspherecalc();
}
// wrap the scroll values just to be extra kind to float accuracy
// scroll speed for upper layer
speedscale = r_refdef.scene.time*r_skyscroll1.value*8.0/128.0;
speedscale -= floor(speedscale);
Matrix4x4_CreateTranslate(&scroll1matrix, speedscale, speedscale, 0);
// scroll speed for lower layer (transparent layer)
speedscale = r_refdef.scene.time*r_skyscroll2.value*8.0/128.0;
speedscale -= floor(speedscale);
Matrix4x4_CreateTranslate(&scroll2matrix, speedscale, speedscale, 0);
RSurf_ActiveCustomEntity(&skymatrix, &skyinversematrix, 0, 0, 1, 1, 1, 1, skysphere_numverts, skysphere_vertex3f, skysphere_texcoord2f, NULL, NULL, NULL, NULL, skysphere_numtriangles, skysphere_element3i, skysphere_element3s, false, false);
R_DrawCustomSurface(r_refdef.scene.worldmodel->brush.solidskyskinframe, &scroll1matrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST , 0, skysphere_numverts, 0, skysphere_numtriangles, false, false);
R_DrawCustomSurface(r_refdef.scene.worldmodel->brush.alphaskyskinframe, &scroll2matrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED, 0, skysphere_numverts, 0, skysphere_numtriangles, false, false);
}
static void R_SkyBox(void)
{
int i;
RSurf_ActiveCustomEntity(&skymatrix, &skyinversematrix, 0, 0, 1, 1, 1, 1, 6*4, skyboxvertex3f, skyboxtexcoord2f, NULL, NULL, NULL, NULL, 6*2, skyboxelement3i, skyboxelement3s, false, false);
for (i = 0;i < 6;i++)
if(skyboxskinframe[i])
R_DrawCustomSurface(skyboxskinframe[i], &identitymatrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST, i*4, 4, i*2, 2, false, false);
}
static void R_DrawLightningBeam_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
{
int surfacelistindex;
float vertex3f[12*3];
float texcoord2f[12*2];
RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, 0, 0, r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1, 12, vertex3f, texcoord2f, NULL, NULL, NULL, NULL, 6, r_lightningbeamelement3i, r_lightningbeamelement3s, false, false);
if (r_lightningbeam_qmbtexture.integer && r_lightningbeamqmbtexture == NULL)
r_lightningbeams_setupqmbtexture();
if (!r_lightningbeam_qmbtexture.integer && r_lightningbeamtexture == NULL)
r_lightningbeams_setuptexture();
for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
{
const beam_t *b = cl.beams + surfacelist[surfacelistindex];
vec3_t beamdir, right, up, offset, start, end;
float length, t1, t2;
CL_Beam_CalculatePositions(b, start, end);
// calculate beam direction (beamdir) vector and beam length
// get difference vector
VectorSubtract(end, start, beamdir);
// find length of difference vector
length = sqrt(DotProduct(beamdir, beamdir));
// calculate scale to make beamdir a unit vector (normalized)
t1 = 1.0f / length;
// scale beamdir so it is now normalized
VectorScale(beamdir, t1, beamdir);
// calculate up vector such that it points toward viewer, and rotates around the beamdir
// get direction from start of beam to viewer
VectorSubtract(r_refdef.view.origin, start, up);
// remove the portion of the vector that moves along the beam
// (this leaves only a vector pointing directly away from the beam)
t1 = -DotProduct(up, beamdir);
VectorMA(up, t1, beamdir, up);
// generate right vector from forward and up, the result is unnormalized
CrossProduct(beamdir, up, right);
// now normalize the right vector and up vector
VectorNormalize(right);
VectorNormalize(up);
// calculate T coordinate scrolling (start and end texcoord along the beam)
t1 = r_refdef.scene.time * -r_lightningbeam_scroll.value;// + beamrepeatscale * DotProduct(start, beamdir);
t1 = t1 - (int) t1;
t2 = t1 + beamrepeatscale * length;
// the beam is 3 polygons in this configuration:
// * 2
// * *
// 1******
// * *
// * 3
// they are showing different portions of the beam texture, creating an
// illusion of a beam that appears to curl around in 3D space
// (and realize that the whole polygon assembly orients itself to face
// the viewer)
// polygon 1, verts 0-3
VectorScale(right, r_lightningbeam_thickness.value, offset);
R_CalcLightningBeamPolygonVertex3f(vertex3f + 0, start, end, offset);
// polygon 2, verts 4-7
VectorAdd(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
R_CalcLightningBeamPolygonVertex3f(vertex3f + 12, start, end, offset);
// polygon 3, verts 8-11
VectorSubtract(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
R_CalcLightningBeamPolygonVertex3f(vertex3f + 24, start, end, offset);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 0, t1, t2);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 8, t1 + 0.33, t2 + 0.33);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 16, t1 + 0.66, t2 + 0.66);
// draw the 3 polygons as one batch of 6 triangles using the 12 vertices
R_DrawCustomSurface(r_lightningbeam_qmbtexture.integer ? r_lightningbeamqmbtexture : r_lightningbeamtexture, &identitymatrix, MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 12, 0, 6, false, false);
}
}
static void R_Model_Sprite_Draw_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
{
int i;
dp_model_t *model = ent->model;
vec3_t left, up, org, mforward, mleft, mup, middle;
float scale, dx, dy, hud_vs_screen;
int edge = 0;
float dir_angle = 0.0f;
float vertex3f[12];
// nudge it toward the view to make sure it isn't in a wall
Matrix4x4_ToVectors(&ent->matrix, mforward, mleft, mup, org);
VectorSubtract(org, r_refdef.view.forward, org);
switch(model->sprite.sprnum_type)
{
case SPR_VP_PARALLEL_UPRIGHT:
// flames and such
// vertical beam sprite, faces view plane
scale = ent->scale / sqrt(r_refdef.view.forward[0]*r_refdef.view.forward[0]+r_refdef.view.forward[1]*r_refdef.view.forward[1]);
left[0] = -r_refdef.view.forward[1] * scale;
left[1] = r_refdef.view.forward[0] * scale;
left[2] = 0;
up[0] = 0;
up[1] = 0;
up[2] = ent->scale;
break;
case SPR_FACING_UPRIGHT:
// flames and such
// vertical beam sprite, faces viewer's origin (not the view plane)
scale = ent->scale / sqrt((org[0] - r_refdef.view.origin[0])*(org[0] - r_refdef.view.origin[0])+(org[1] - r_refdef.view.origin[1])*(org[1] - r_refdef.view.origin[1]));
left[0] = (org[1] - r_refdef.view.origin[1]) * scale;
left[1] = -(org[0] - r_refdef.view.origin[0]) * scale;
left[2] = 0;
up[0] = 0;
up[1] = 0;
up[2] = ent->scale;
break;
default:
Con_Printf("R_SpriteSetup: unknown sprite type %i\n", model->sprite.sprnum_type);
// fall through to normal sprite
case SPR_VP_PARALLEL:
// normal sprite
// faces view plane
VectorScale(r_refdef.view.left, ent->scale, left);
VectorScale(r_refdef.view.up, ent->scale, up);
break;
case SPR_LABEL_SCALE:
// normal sprite
// faces view plane
// fixed HUD pixel size specified in sprite
// honors scale
// honors a global label scaling cvar
if(r_fb.water.renderingscene) // labels are considered HUD items, and don't appear in reflections
return;
// See the R_TrackSprite definition for a reason for this copying
VectorCopy(r_refdef.view.left, left);
VectorCopy(r_refdef.view.up, up);
// It has to be done before the calculations, because it moves the origin.
if(r_track_sprites.integer)
R_TrackSprite(ent, org, left, up, &edge, &dir_angle);
scale = 2 * ent->scale * (DotProduct(r_refdef.view.forward, org) - DotProduct(r_refdef.view.forward, r_refdef.view.origin)) * r_labelsprites_scale.value;
VectorScale(left, scale * r_refdef.view.frustum_x / vid_conwidth.integer, left); // 1px
VectorScale(up, scale * r_refdef.view.frustum_y / vid_conheight.integer, up); // 1px
break;
case SPR_LABEL:
// normal sprite
// faces view plane
// fixed pixel size specified in sprite
// tries to get the right size in HUD units, if possible
// ignores scale
// honors a global label scaling cvar before the rounding
// FIXME assumes that 1qu is 1 pixel in the sprite like in SPR32 format. Should not do that, but instead query the source image! This bug only applies to the roundtopixels case, though.
if(r_fb.water.renderingscene) // labels are considered HUD items, and don't appear in reflections
return;
// See the R_TrackSprite definition for a reason for this copying
VectorCopy(r_refdef.view.left, left);
VectorCopy(r_refdef.view.up, up);
// It has to be done before the calculations, because it moves the origin.
if(r_track_sprites.integer)
R_TrackSprite(ent, org, left, up, &edge, &dir_angle);
scale = 2 * (DotProduct(r_refdef.view.forward, org) - DotProduct(r_refdef.view.forward, r_refdef.view.origin));
if(r_labelsprites_roundtopixels.integer)
{
hud_vs_screen = max(
vid_conwidth.integer / (float) r_refdef.view.width,
vid_conheight.integer / (float) r_refdef.view.height
) / max(0.125, r_labelsprites_scale.value);
// snap to "good sizes"
// 1 for (0.6, 1.41]
// 2 for (1.8, 3.33]
if(hud_vs_screen <= 0.6)
hud_vs_screen = 0; // don't, use real HUD pixels
else if(hud_vs_screen <= 1.41)
hud_vs_screen = 1;
else if(hud_vs_screen <= 3.33)
hud_vs_screen = 2;
else
hud_vs_screen = 0; // don't, use real HUD pixels
if(hud_vs_screen)
{
// use screen pixels
VectorScale(left, scale * r_refdef.view.frustum_x / (r_refdef.view.width * hud_vs_screen), left); // 1px
VectorScale(up, scale * r_refdef.view.frustum_y / (r_refdef.view.height * hud_vs_screen), up); // 1px
}
else
{
// use HUD pixels
VectorScale(left, scale * r_refdef.view.frustum_x / vid_conwidth.integer * r_labelsprites_scale.value, left); // 1px
VectorScale(up, scale * r_refdef.view.frustum_y / vid_conheight.integer * r_labelsprites_scale.value, up); // 1px
}
if(hud_vs_screen == 1)
{
VectorMA(r_refdef.view.origin, scale, r_refdef.view.forward, middle); // center of screen in distance scale
dx = 0.5 - fmod(r_refdef.view.width * 0.5 + (DotProduct(org, left) - DotProduct(middle, left)) / DotProduct(left, left) + 0.5, 1.0);
dy = 0.5 - fmod(r_refdef.view.height * 0.5 + (DotProduct(org, up) - DotProduct(middle, up)) / DotProduct(up, up) + 0.5, 1.0);
VectorMAMAM(1, org, dx, left, dy, up, org);
}
}
else
{
// use HUD pixels
VectorScale(left, scale * r_refdef.view.frustum_x / vid_conwidth.integer * r_labelsprites_scale.value, left); // 1px
VectorScale(up, scale * r_refdef.view.frustum_y / vid_conheight.integer * r_labelsprites_scale.value, up); // 1px
}
break;
case SPR_ORIENTED:
// bullet marks on walls
// ignores viewer entirely
VectorCopy(mleft, left);
VectorCopy(mup, up);
break;
case SPR_VP_PARALLEL_ORIENTED:
// I have no idea what people would use this for...
// oriented relative to view space
// FIXME: test this and make sure it mimicks software
left[0] = mleft[0] * r_refdef.view.forward[0] + mleft[1] * r_refdef.view.left[0] + mleft[2] * r_refdef.view.up[0];
left[1] = mleft[0] * r_refdef.view.forward[1] + mleft[1] * r_refdef.view.left[1] + mleft[2] * r_refdef.view.up[1];
left[2] = mleft[0] * r_refdef.view.forward[2] + mleft[1] * r_refdef.view.left[2] + mleft[2] * r_refdef.view.up[2];
up[0] = mup[0] * r_refdef.view.forward[0] + mup[1] * r_refdef.view.left[0] + mup[2] * r_refdef.view.up[0];
up[1] = mup[0] * r_refdef.view.forward[1] + mup[1] * r_refdef.view.left[1] + mup[2] * r_refdef.view.up[1];
up[2] = mup[0] * r_refdef.view.forward[2] + mup[1] * r_refdef.view.left[2] + mup[2] * r_refdef.view.up[2];
break;
case SPR_OVERHEAD:
// Overhead games sprites, have some special hacks to look good
VectorScale(r_refdef.view.left, ent->scale * r_overheadsprites_scalex.value, left);
VectorScale(r_refdef.view.up, ent->scale * r_overheadsprites_scaley.value, up);
VectorSubtract(org, r_refdef.view.origin, middle);
VectorNormalize(middle);
// offset and rotate
dir_angle = r_overheadsprites_perspective.value * (1 - fabs(DotProduct(middle, r_refdef.view.forward)));
up[2] = up[2] + dir_angle;
VectorNormalize(up);
VectorScale(up, ent->scale * r_overheadsprites_scaley.value, up);
// offset (move nearer to player, yz is camera plane)
org[0] = org[0] - middle[0]*r_overheadsprites_pushback.value;
org[1] = org[1] - middle[1]*r_overheadsprites_pushback.value;
org[2] = org[2] - middle[2]*r_overheadsprites_pushback.value;
// little perspective effect
up[2] = up[2] + dir_angle * 0.3;
// a bit of counter-camera rotation
up[0] = up[0] + r_refdef.view.forward[0] * 0.07;
up[1] = up[1] + r_refdef.view.forward[1] * 0.07;
up[2] = up[2] + r_refdef.view.forward[2] * 0.07;
break;
}
// LordHavoc: interpolated sprite rendering
for (i = 0;i < MAX_FRAMEBLENDS;i++)
{
if (ent->frameblend[i].lerp >= 0.01f)
{
mspriteframe_t *frame;
texture_t *texture;
RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, ent->flags, 0, ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha * ent->frameblend[i].lerp, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false);
frame = model->sprite.sprdata_frames + ent->frameblend[i].subframe;
texture = R_GetCurrentTexture(model->data_textures + ent->frameblend[i].subframe);
// lit sprite by lightgrid if it is not fullbright, lit only ambient
if (!(texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
VectorAdd(ent->modellight_ambient, ent->modellight_diffuse, rsurface.modellight_ambient); // sprites dont use lightdirection
// SPR_LABEL should not use depth test AT ALL
if(model->sprite.sprnum_type == SPR_LABEL || model->sprite.sprnum_type == SPR_LABEL_SCALE)
if(texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE)
texture->currentmaterialflags = (texture->currentmaterialflags & ~MATERIALFLAG_SHORTDEPTHRANGE) | MATERIALFLAG_NODEPTHTEST;
if(edge)
{
// FIXME:: save vectors/origin and re-rotate? necessary if the hotspot can change per frame
R_RotateSprite(frame, org, left, up, edge, dir_angle);
edge = 0;
}
R_CalcSprite_Vertex3f(vertex3f, org, left, up, frame->left, frame->right, frame->down, frame->up);
R_DrawCustomSurface_Texture(texture, &identitymatrix, texture->currentmaterialflags, 0, 4, 0, 2, false, false);
}
}
rsurface.entity = NULL;
}
