]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_sprites.c
added r_rtworld, r_rtworldshadows, r_rtdlight, r_rtdlightshadows, and r_lightmapinten...
[xonotic/darkplaces.git] / r_sprites.c
index ef0549015ea915c85d880a5b464c51271ab98685..906bcacbc622074df1f0aa2888ac54870c637b5a 100644 (file)
+
 #include "quakedef.h"
 
-/*
-================
-R_GetSpriteFrame
-================
-*/
-void R_GetSpriteFrame (entity_t *currententity, mspriteframe_t **oldframe, mspriteframe_t **newframe, float *framelerp)
+static int R_SpriteSetup (const entity_render_t *ent, int type, float org[3], float left[3], float up[3])
 {
-       msprite_t               *psprite;
-       mspritegroup_t  *pspritegroup;
-       int                             i, j, numframes, frame;
-       float                   *pintervals, fullinterval, targettime, time, jtime, jinterval;
-
-       psprite = currententity->model->cache.data;
-       frame = currententity->frame;
-
-       if ((frame >= psprite->numframes) || (frame < 0))
-       {
-               Con_Printf ("R_DrawSprite: no such frame %d\n", frame);
-               frame = 0;
-       }
+       float scale;
 
-       if (psprite->frames[frame].type == SPR_SINGLE)
+       // 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(type)
        {
-               if (currententity->draw_lastmodel == currententity->model && currententity->draw_lerpstart < cl.time)
-               {
-                       if (frame != currententity->draw_pose)
-                       {
-                               currententity->draw_lastpose = currententity->draw_pose;
-                               currententity->draw_pose = frame;
-                               currententity->draw_lerpstart = cl.time;
-                               *framelerp = 0;
-                       }
-                       else
-                               *framelerp = (cl.time - currententity->draw_lerpstart) * 10.0;
-               }
-               else // uninitialized
-               {
-                       currententity->draw_lastmodel = currententity->model;
-                       currententity->draw_lastpose = currententity->draw_pose = frame;
-                       currententity->draw_lerpstart = cl.time;
-                       *framelerp = 0;
-               }
-               *oldframe = psprite->frames[currententity->draw_lastpose].frameptr;
-               *newframe = psprite->frames[frame].frameptr;
-       }
-       else
-       {
-               pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
-               pintervals = pspritegroup->intervals;
-               numframes = pspritegroup->numframes;
-               fullinterval = pintervals[numframes-1];
-
-               time = cl.time + currententity->syncbase;
-
-       // when loading in Mod_LoadSpriteGroup, we guaranteed all interval values
-       // are positive, so we don't have to worry about division by 0
-               targettime = time - ((int)(time / fullinterval)) * fullinterval;
-
-               // LordHavoc: since I can't measure the time properly when it loops from numframes-1 to 0,
-               //            I instead measure the time of the first frame, hoping it is consistent
-               j = numframes-1;jtime = 0;jinterval = pintervals[1] - pintervals[0];
-               for (i=0 ; i<(numframes-1) ; i++)
-               {
-                       if (pintervals[i] > targettime)
-                               break;
-                       j = i;jinterval = pintervals[i] - jtime;jtime = pintervals[i];
-               }
-               *framelerp = (targettime - jtime) / jinterval;
-
-               *oldframe = pspritegroup->frames[j];
-               *newframe = pspritegroup->frames[i];
+       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;
+               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_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;
+               left[2] = 0;
+               up[0] = 0;
+               up[1] = 0;
+               up[2] = ent->scale;
+               break;
+       default:
+               Con_Printf("R_SpriteSetup: unknown sprite type %i\n", 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;
+               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];
+               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];
+               break;
        }
+       return false;
 }
 
-void GL_DrawSpriteImage (mspriteframe_t *frame, vec3_t origin, vec3_t up, vec3_t right, int red, int green, int blue, int alpha)
+static void R_DrawSpriteImage (int additive, mspriteframe_t *frame, rtexture_t *texture, vec3_t origin, vec3_t up, vec3_t left, float red, float green, float blue, float alpha)
 {
-       // LordHavoc: rewrote this to use the transparent poly system
-       transpolybegin(frame->gl_texturenum, 0, frame->gl_fogtexturenum, currententity->effects & EF_ADDITIVE ? TPOLYTYPE_ADD : TPOLYTYPE_ALPHA);
-       transpolyvert(origin[0] + frame->down * up[0] + frame->left * right[0], origin[1] + frame->down * up[1] + frame->left * right[1], origin[2] + frame->down * up[2] + frame->left * right[2], 0, 1, red, green, blue, alpha);
-       transpolyvert(origin[0] + frame->up * up[0] + frame->left * right[0], origin[1] + frame->up * up[1] + frame->left * right[1], origin[2] + frame->up * up[2] + frame->left * right[2], 0, 0, red, green, blue, alpha);
-       transpolyvert(origin[0] + frame->up * up[0] + frame->right * right[0], origin[1] + frame->up * up[1] + frame->right * right[1], origin[2] + frame->up * up[2] + frame->right * right[2], 1, 0, red, green, blue, alpha);
-       transpolyvert(origin[0] + frame->down * up[0] + frame->right * right[0], origin[1] + frame->down * up[1] + frame->right * right[1], origin[2] + frame->down * up[2] + frame->right * right[2], 1, 1, red, green, blue, alpha);
-       transpolyend();
+       // FIXME: negate left and right in loader
+       R_DrawSprite(GL_SRC_ALPHA, additive ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, texture, false, origin, left, up, frame->left, frame->right, frame->down, frame->up, red, green, blue, alpha);
 }
 
-/*
-=================
-R_DrawSpriteModel
-
-=================
-*/
-void R_DrawSpriteModel (entity_t *e)
+void R_DrawSpriteModelCallback(const void *calldata1, int calldata2)
 {
-       mspriteframe_t  *oldframe, *newframe;
-       float                   lerp, ilerp;
-       vec3_t                  forward, right, up, org, color;
-       msprite_t               *psprite;
+       const entity_render_t *ent = calldata1;
+       int i;
+       vec3_t left, up, org, color, diffusecolor, diffusenormal;
+       mspriteframe_t *frame;
+       vec3_t diff;
+       float fog, ifog;
 
-       // don't even bother culling, because it's just a single
-       // polygon without a surface cache
+       if (R_SpriteSetup(ent, ent->model->sprite.sprnum_type, org, left, up))
+               return;
 
-       c_sprites++;
-       
-       R_GetSpriteFrame (e, &oldframe, &newframe, &lerp);
-       if (lerp < 0) lerp = 0;
-       if (lerp > 1) lerp = 1;
-       if (isRagePro) // LordHavoc: no alpha scaling supported on per pixel alpha images on ATI Rage Pro... ACK!
-               lerp = 1;
-       ilerp = 1.0 - lerp;
-       psprite = e->model->cache.data;
+       R_Mesh_Matrix(&r_identitymatrix);
 
-       if (psprite->type == SPR_ORIENTED)
-       {       // bullet marks on walls
-               AngleVectors (e->angles, forward, right, up);
-               VectorSubtract(e->origin, vpn, org);
-       }
+       if (!(ent->flags & RENDER_LIGHT))
+               color[0] = color[1] = color[2] = 1;
        else
-       {       // normal sprite
-               VectorCopy(vup, up);
-               VectorCopy(vright, right);
-               VectorCopy(e->origin, org);
+       {
+               R_CompleteLightPoint(color, diffusecolor, diffusenormal, ent->origin, true, NULL);
+               VectorMA(color, 0.5f, diffusecolor, color);
        }
-       if (e->scale != 1)
+
+       if (fogenabled)
        {
-               VectorScale(up, e->scale, up);
-               VectorScale(right, e->scale, right);
+               VectorSubtract(ent->origin, r_vieworigin, diff);
+               fog = exp(fogdensity/DotProduct(diff,diff));
+               if (fog > 1)
+                       fog = 1;
        }
+       else
+               fog = 0;
+       ifog = 1 - fog;
 
-       if (e->model->flags & EF_FULLBRIGHT || e->effects & EF_FULLBRIGHT)
+       if (r_lerpsprites.integer)
        {
-               color[0] = e->colormod[0] * 255;
-               color[1] = e->colormod[1] * 255;
-               color[2] = e->colormod[2] * 255;
+               // LordHavoc: interpolated sprite rendering
+               for (i = 0;i < 4;i++)
+               {
+                       if (ent->frameblend[i].lerp >= 0.01f)
+                       {
+                               frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
+                               R_DrawSpriteImage((ent->effects & EF_ADDITIVE), frame, frame->texture, org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha * ent->frameblend[i].lerp);
+                               if (fog * ent->frameblend[i].lerp >= 0.01f)
+                                       R_DrawSpriteImage(true, frame, frame->fogtexture, org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha * ent->frameblend[i].lerp);
+                       }
+               }
        }
        else
        {
-               R_LightPoint (color, e->origin);
-               R_DynamicLightPointNoMask(color, e->origin);
+               // LordHavoc: no interpolation
+               frame = NULL;
+               for (i = 0;i < 4 && ent->frameblend[i].lerp;i++)
+                       frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
+
+               if (frame)
+               {
+                       R_DrawSpriteImage((ent->effects & EF_ADDITIVE), frame, frame->texture, org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha);
+                       if (fog * ent->frameblend[i].lerp >= 0.01f)
+                               R_DrawSpriteImage(true, frame, frame->fogtexture, org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha);
+               }
        }
+}
+
+void R_Model_Sprite_Draw(entity_render_t *ent)
+{
+       if (ent->frameblend[0].frame < 0)
+               return;
+
+       c_sprites++;
 
-       // LordHavoc: interpolated sprite rendering
-       if (ilerp != 0)
-               GL_DrawSpriteImage(oldframe, org, up, right, color[0],color[1],color[2],e->alpha*255*ilerp);
-       if (lerp != 0)
-               GL_DrawSpriteImage(newframe, org, up, right, color[0],color[1],color[2],e->alpha*255*lerp);
+       R_MeshQueue_AddTransparent(ent->origin, R_DrawSpriteModelCallback, ent, 0);
 }