#include "quakedef.h"
#include "r_shadow.h"
-void R_Model_Sprite_Draw_TransparentCallback(const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
+extern cvar_t r_labelsprites_scale;
+extern cvar_t r_labelsprites_roundtopixels;
+extern cvar_t r_track_sprites;
+extern cvar_t r_track_sprites_flags;
+extern cvar_t r_track_sprites_scalew;
+extern cvar_t r_track_sprites_scaleh;
+extern cvar_t r_overheadsprites_perspective;
+extern cvar_t r_overheadsprites_pushback;
+extern cvar_t r_overheadsprites_scalex;
+extern cvar_t r_overheadsprites_scaley;
+
+#define TSF_ROTATE 1
+#define TSF_ROTATE_CONTINOUSLY 2
+
+// use same epsilon as in sv_phys.c, it's not in any header, that's why i redefine it
+// MIN_EPSILON is for accurateness' sake :)
+#ifndef EPSILON
+# define EPSILON (1.0f / 32.0f)
+# define MIN_EPSILON 0.0001f
+#endif
+
+/* R_Track_Sprite
+ If the sprite is out of view, track it.
+ `origin`, `left` and `up` are changed by this function to achive a rotation around
+ the hotspot.
+
+ --blub
+ */
+#define SIDE_TOP 1
+#define SIDE_LEFT 2
+#define SIDE_BOTTOM 3
+#define SIDE_RIGHT 4
+
+static void R_TrackSprite(const entity_render_t *ent, vec3_t origin, vec3_t left, vec3_t up, int *edge, float *dir_angle)
+{
+ float distance;
+ vec3_t bCoord; // body coordinates of object
+ unsigned int i;
+
+ // temporarily abuse bCoord as the vector player->sprite-origin
+ VectorSubtract(origin, r_refdef.view.origin, bCoord);
+ distance = VectorLength(bCoord);
+
+ // Now get the bCoords :)
+ Matrix4x4_Transform(&r_refdef.view.inverse_matrix, origin, bCoord);
+
+ *edge = 0; // FIXME::should assume edge == 0, which is correct currently
+ for(i = 0; i < 4; ++i)
+ {
+ if(PlaneDiff(origin, &r_refdef.view.frustum[i]) < -EPSILON)
+ break;
+ }
+
+ // If it wasn't outside a plane, no tracking needed
+ if(i < 4)
+ {
+ float x, y; // screen X and Y coordinates
+ float ax, ay; // absolute coords, used for division
+ // I divide x and y by the greater absolute value to get ranges -1.0 to +1.0
+
+ bCoord[2] *= r_refdef.view.frustum_x;
+ bCoord[1] *= r_refdef.view.frustum_y;
+
+ //Con_Printf("%f %f %f\n", bCoord[0], bCoord[1], bCoord[2]);
+
+ ax = fabs(bCoord[1]);
+ ay = fabs(bCoord[2]);
+ // get the greater value and determine the screen edge it's on
+ if(ax < ay)
+ {
+ ax = ay;
+ // 180 or 0 degrees
+ if(bCoord[2] < 0.0f)
+ *edge = SIDE_BOTTOM;
+ else
+ *edge = SIDE_TOP;
+ } else {
+ if(bCoord[1] < 0.0f)
+ *edge = SIDE_RIGHT;
+ else
+ *edge = SIDE_LEFT;
+ }
+
+ // umm...
+ if(ax < MIN_EPSILON) // this was == 0.0f before --blub
+ ax = MIN_EPSILON;
+ // get the -1 to +1 range
+ x = bCoord[1] / ax;
+ y = bCoord[2] / ax;
+
+ ax = (1.0f / VectorLength(left));
+ ay = (1.0f / VectorLength(up));
+ // Using the placement below the distance of a sprite is
+ // real dist = sqrt(d*d + dfxa*dfxa + dgyb*dgyb)
+ // d is the distance we use
+ // f is frustum X
+ // x is x
+ // a is ax
+ // g is frustum Y
+ // y is y
+ // b is ay
+
+ // real dist (r) shall be d, so
+ // r*r = d*d + dfxa*dfxa + dgyb*dgyb
+ // r*r = d*d * (1 + fxa*fxa + gyb*gyb)
+ // d*d = r*r / (1 + fxa*fxa + gyb*gyb)
+ // d = sqrt(r*r / (1 + fxa*fxa + gyb*gyb))
+ // thus:
+ distance = sqrt((distance*distance) / (1.0 +
+ r_refdef.view.frustum_x*r_refdef.view.frustum_x * x*x * ax*ax +
+ r_refdef.view.frustum_y*r_refdef.view.frustum_y * y*y * ay*ay));
+ // ^ the one we want ^ the one we have ^ our factors
+
+ // Place the sprite a few units ahead of the player
+ VectorCopy(r_refdef.view.origin, origin);
+ VectorMA(origin, distance, r_refdef.view.forward, origin);
+ // Move the sprite left / up the screeen height
+ VectorMA(origin, distance * r_refdef.view.frustum_x * x * ax, left, origin);
+ VectorMA(origin, distance * r_refdef.view.frustum_y * y * ay, up, origin);
+
+ if(r_track_sprites_flags.integer & TSF_ROTATE_CONTINOUSLY)
+ {
+ // compute the rotation, negate y axis, we're pointing outwards
+ *dir_angle = atan(-y / x) * 180.0f/M_PI;
+ // we need the real, full angle
+ if(x < 0.0f)
+ *dir_angle += 180.0f;
+ }
+
+ left[0] *= r_track_sprites_scalew.value;
+ left[1] *= r_track_sprites_scalew.value;
+ left[2] *= r_track_sprites_scalew.value;
+
+ up[0] *= r_track_sprites_scaleh.value;
+ up[1] *= r_track_sprites_scaleh.value;
+ up[2] *= r_track_sprites_scaleh.value;
+ }
+}
+
+static void R_RotateSprite(const mspriteframe_t *frame, vec3_t origin, vec3_t left, vec3_t up, int edge, float dir_angle)
+{
+ if(!(r_track_sprites_flags.integer & TSF_ROTATE))
+ {
+ // move down by its size if on top, otherwise it's invisible
+ if(edge == SIDE_TOP)
+ VectorMA(origin, -(fabs(frame->up)+fabs(frame->down)), up, origin);
+ } else {
+ static float rotation_angles[5] =
+ {
+ 0, // no edge
+ -90.0f, //top
+ 0.0f, // left
+ 90.0f, // bottom
+ 180.0f, // right
+ };
+
+ // rotate around the hotspot according to which edge it's on
+ // since the hotspot == the origin, only rotate the vectors
+ matrix4x4_t rotm;
+ vec3_t axis;
+ vec3_t temp;
+ vec2_t dir;
+ float angle;
+
+ if(edge < 1 || edge > 4)
+ return; // this usually means something went wrong somewhere, there's no way to get a wrong edge value currently
+
+ dir[0] = frame->right + frame->left;
+ dir[1] = frame->down + frame->up;
+
+ // only rotate when the hotspot isn't the center though.
+ if(dir[0] < MIN_EPSILON && dir[1] < MIN_EPSILON)
+ {
+ return;
+ }
+
+ // Now that we've kicked center-hotspotted sprites, rotate using the appropriate matrix :)
+
+ // determine the angle of a sprite, we could only do that once though and
+ // add a `qboolean initialized' to the mspriteframe_t struct... let's get the direction vector of it :)
+
+ angle = atan(dir[1] / dir[0]) * 180.0f/M_PI;
+
+ // we need the real, full angle
+ if(dir[0] < 0.0f)
+ angle += 180.0f;
+
+ // Rotate around rotation_angle - frame_angle
+ // The axis SHOULD equal r_refdef.view.forward, but let's generalize this:
+ CrossProduct(up, left, axis);
+ if(r_track_sprites_flags.integer & TSF_ROTATE_CONTINOUSLY)
+ Matrix4x4_CreateRotate(&rotm, dir_angle - angle, axis[0], axis[1], axis[2]);
+ else
+ Matrix4x4_CreateRotate(&rotm, rotation_angles[edge] - angle, axis[0], axis[1], axis[2]);
+ Matrix4x4_Transform(&rotm, up, temp);
+ VectorCopy(temp, up);
+ Matrix4x4_Transform(&rotm, left, temp);
+ VectorCopy(temp, left);
+ }
+}
+
+static float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
+
+static void R_Model_Sprite_Draw_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
{
int i;
- vec3_t left, up, org, color, diffusecolor, diffusenormal;
- mspriteframe_t *frame;
- float scale;
+ 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
- org[0] = ent->matrix.m[0][3] - r_viewforward[0];
- org[1] = ent->matrix.m[1][3] - r_viewforward[1];
- org[2] = ent->matrix.m[2][3] - r_viewforward[2];
- switch(ent->model->sprite.sprnum_type)
+ 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_viewforward[0]*r_viewforward[0]+r_viewforward[1]*r_viewforward[1]);
- left[0] = -r_viewforward[1] * scale;
- left[1] = r_viewforward[0] * scale;
+ 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;
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_vieworigin[0])*(org[0] - r_vieworigin[0])+(org[1] - r_vieworigin[1])*(org[1] - r_vieworigin[1]));
- left[0] = (org[1] - r_vieworigin[1]) * scale;
- left[1] = -(org[0] - r_vieworigin[0]) * scale;
+ 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", ent->model->sprite.sprnum_type);
+ 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
- left[0] = r_viewleft[0] * ent->scale;
- left[1] = r_viewleft[1] * ent->scale;
- left[2] = r_viewleft[2] * ent->scale;
- up[0] = r_viewup[0] * ent->scale;
- up[1] = r_viewup[1] * ent->scale;
- up[2] = r_viewup[2] * ent->scale;
+ 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
- left[0] = ent->matrix.m[0][1];
- left[1] = ent->matrix.m[1][1];
- left[2] = ent->matrix.m[2][1];
- up[0] = ent->matrix.m[0][2];
- up[1] = ent->matrix.m[1][2];
- up[2] = ent->matrix.m[2][2];
+ 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] = ent->matrix.m[0][1] * r_viewforward[0] + ent->matrix.m[1][1] * r_viewleft[0] + ent->matrix.m[2][1] * r_viewup[0];
- left[1] = ent->matrix.m[0][1] * r_viewforward[1] + ent->matrix.m[1][1] * r_viewleft[1] + ent->matrix.m[2][1] * r_viewup[1];
- left[2] = ent->matrix.m[0][1] * r_viewforward[2] + ent->matrix.m[1][1] * r_viewleft[2] + ent->matrix.m[2][1] * r_viewup[2];
- up[0] = ent->matrix.m[0][2] * r_viewforward[0] + ent->matrix.m[1][2] * r_viewleft[0] + ent->matrix.m[2][2] * r_viewup[0];
- up[1] = ent->matrix.m[0][2] * r_viewforward[1] + ent->matrix.m[1][2] * r_viewleft[1] + ent->matrix.m[2][2] * r_viewup[1];
- up[2] = ent->matrix.m[0][2] * r_viewforward[2] + ent->matrix.m[1][2] * r_viewleft[2] + ent->matrix.m[2][2] * r_viewup[2];
+ 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;
}
- R_Mesh_Matrix(&identitymatrix);
-
- if (!(ent->flags & RENDER_LIGHT))
- color[0] = color[1] = color[2] = 1;
- else
- {
- R_CompleteLightPoint(color, diffusecolor, diffusenormal, ent->origin, true);
- VectorMA(color, 0.5f, diffusecolor, color);
- }
- color[0] *= ent->colormod[0];
- color[1] *= ent->colormod[1];
- color[2] *= ent->colormod[2];
-
// LordHavoc: interpolated sprite rendering
- for (i = 0;i < 4;i++)
+ for (i = 0;i < MAX_FRAMEBLENDS;i++)
{
if (ent->frameblend[i].lerp >= 0.01f)
{
- frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
- // FIXME: negate left and right in loader
- R_DrawSprite(GL_SRC_ALPHA, (ent->effects & EF_ADDITIVE) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, frame->skin.base, frame->skin.fog, (ent->effects & EF_NODEPTHTEST), org, left, up, frame->left, frame->right, frame->down, frame->up, color[0], color[1], color[2], ent->alpha * ent->frameblend[i].lerp);
+ 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;
}
void R_Model_Sprite_Draw(entity_render_t *ent)
{
- if (ent->frameblend[0].frame < 0)
+ vec3_t org;
+ if (ent->frameblend[0].subframe < 0)
return;
- R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_vieworigin : ent->origin, R_Model_Sprite_Draw_TransparentCallback, ent, 0, r_shadow_rtlight);
+ Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+ R_MeshQueue_AddTransparent((ent->flags & RENDER_WORLDOBJECT) ? TRANSPARENTSORT_SKY : (ent->flags & RENDER_NODEPTHTEST) ? TRANSPARENTSORT_HUD : TRANSPARENTSORT_DISTANCE, org, R_Model_Sprite_Draw_TransparentCallback, ent, 0, rsurface.rtlight);
}