From 39d4f22660b6957e3e70a483bf7624edcbf90842 Mon Sep 17 00:00:00 2001 From: Sryder Date: Tue, 13 Dec 2016 21:02:23 +0000 Subject: [PATCH 1/3] Flat sprites for OGL --- src/hardware/hw_glob.h | 1 + src/hardware/hw_main.c | 77 ++++++++++++++++++++++++++++++++++++++---- 2 files changed, 71 insertions(+), 7 deletions(-) diff --git a/src/hardware/hw_glob.h b/src/hardware/hw_glob.h index 94eef1d3..5d1a81d4 100644 --- a/src/hardware/hw_glob.h +++ b/src/hardware/hw_glob.h @@ -78,6 +78,7 @@ typedef struct gr_vissprite_s //Hurdler: 25/04/2000: now support colormap in hardware mode UINT8 *colormap; INT32 dispoffset; // copy of info->dispoffset, affects ordering but not drawing + float z1, z2; } gr_vissprite_t; // -------- diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index 70520af8..98ab6cab 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -4223,6 +4223,7 @@ static void HWR_DrawSprite(gr_vissprite_t *spr) GLPatch_t *gpatch; // sprite patch converted to hardware FSurfaceInfo Surf; const boolean hires = (spr->mobj && spr->mobj->skin && ((skin_t *)spr->mobj->skin)->flags & SF_HIRES); + //const boolean papersprite = (spr->mobj && (spr->mobj->frame & FF_PAPERSPRITE)); if (spr->mobj) this_scale = FIXED_TO_FLOAT(spr->mobj->scale); if (hires) @@ -4266,7 +4267,28 @@ static void HWR_DrawSprite(gr_vissprite_t *spr) // make a wall polygon (with 2 triangles), using the floor/ceiling heights, // and the 2d map coords of start/end vertices - wallVerts[0].z = wallVerts[1].z = wallVerts[2].z = wallVerts[3].z = spr->tz; + wallVerts[0].z = wallVerts[3].z = spr->z1; + wallVerts[2].z = wallVerts[1].z = spr->z2; + + // transform + wv = wallVerts; + + /*if (spr->mobj->frame & FF_PAPERSPRITE) + { + float mobjanglecos, mobjanglesin; + mobjanglesin = FIXED_TO_FLOAT(FINESINE((spr->mobj->angle-dup_viewangle+ANGLE_90)>>ANGLETOFINESHIFT)); + mobjanglecos = FIXED_TO_FLOAT(FINECOSINE((spr->mobj->angle-dup_viewangle+ANGLE_90)>>ANGLETOFINESHIFT)); + for (i = 0; i < 4; i++,wv++) + { + // x = (x * anglecos) + (z * anglesin) + // z = (x * anglesin) - (z * anglecos) + // instead of doing the z part we just add spr->tz afterwards because they are all the same + // value right now + tr_x = wv->x-spr->x2+(spr->x2-spr->x1)/2; + //wv->x = (tr_x * mobjanglecos) + (0) + (spr->x1+(spr->x2-spr->x1)/2); + wv->z = (tr_x * mobjanglesin) - (0) + (spr->tz); + } + }*/ // transform wv = wallVerts; @@ -5042,6 +5064,10 @@ static void HWR_ProjectSprite(mobj_t *thing) UINT8 flip; angle_t ang; INT32 heightsec, phs; + const boolean papersprite = (thing->frame & FF_PAPERSPRITE); + float offset; + float ang_scale = 1.0f, ang_scalez = 0.0f; + float z1, z2; if (!thing) return; @@ -5056,7 +5082,7 @@ static void HWR_ProjectSprite(mobj_t *thing) tz = (tr_x * gr_viewcos) + (tr_y * gr_viewsin); // thing is behind view plane? - if (tz < ZCLIP_PLANE && (!cv_grmd2.value || md2_models[thing->sprite].notfound == true)) //Yellow: Only MD2's dont disappear + if (tz < ZCLIP_PLANE && !papersprite && (!cv_grmd2.value || md2_models[thing->sprite].notfound == true)) //Yellow: Only MD2's dont disappear return; tx = (tr_x * gr_viewsin) - (tr_y * gr_viewcos); @@ -5094,6 +5120,16 @@ static void HWR_ProjectSprite(mobj_t *thing) I_Error("sprframes NULL for sprite %d\n", thing->sprite); #endif + if (sprframe->rotate != SRF_SINGLE || papersprite) + { + ang = R_PointToAngle (thing->x, thing->y) - thing->angle; + if (papersprite) + { + ang_scale = FIXED_TO_FLOAT(FINESINE(ang>>ANGLETOFINESHIFT)); + ang_scalez = FIXED_TO_FLOAT(FINECOSINE(ang>>ANGLETOFINESHIFT)); + } + } + if (sprframe->rotate == SRF_SINGLE) { // use single rotation for all views @@ -5104,8 +5140,6 @@ static void HWR_ProjectSprite(mobj_t *thing) else { // choose a different rotation based on player view - ang = R_PointToAngle (thing->x, thing->y) - thing->angle; - if ((ang < ANGLE_180) && (sprframe->rotate & SRF_RIGHT)) // See from right rot = 6; // F7 slot else if ((ang >= ANGLE_180) && (sprframe->rotate & SRF_LEFT)) // See from left @@ -5123,9 +5157,20 @@ static void HWR_ProjectSprite(mobj_t *thing) // calculate edges of the shape if (flip) - tx -= FIXED_TO_FLOAT(spritecachedinfo[lumpoff].width - spritecachedinfo[lumpoff].offset) * this_scale; + offset = FIXED_TO_FLOAT(spritecachedinfo[lumpoff].width - spritecachedinfo[lumpoff].offset) * this_scale; else - tx -= FIXED_TO_FLOAT(spritecachedinfo[lumpoff].offset) * this_scale; + offset = FIXED_TO_FLOAT(spritecachedinfo[lumpoff].offset) * this_scale; + + if (ang_scale < 0) + { + z1 = tz + offset * ang_scalez; + tx += offset * ang_scale; + } + else + { + z1 = tz - offset * ang_scalez; + tx -= offset * ang_scale; + } // project x x1 = gr_windowcenterx + (tx * gr_centerx / tz); @@ -5136,9 +5181,25 @@ static void HWR_ProjectSprite(mobj_t *thing) x1 = tx; - tx += FIXED_TO_FLOAT(spritecachedinfo[lumpoff].width) * this_scale; + offset = FIXED_TO_FLOAT(spritecachedinfo[lumpoff].width) * this_scale; + if (ang_scale < 0) + { + z2 = z1 - offset * ang_scalez; + tx -= offset * ang_scale; + } + else + { + z2 = z1 + offset * ang_scalez; + tx += offset * ang_scale; + } + if (papersprite && max(z1, z1) < ZCLIP_PLANE) + return; + x2 = gr_windowcenterx + (tx * gr_centerx / tz); + + + if (thing->eflags & MFE_VERTICALFLIP) { gz = FIXED_TO_FLOAT(thing->z+thing->height) - FIXED_TO_FLOAT(spritecachedinfo[lumpoff].topoffset) * this_scale; @@ -5185,6 +5246,8 @@ static void HWR_ProjectSprite(mobj_t *thing) vis->patchlumpnum = sprframe->lumppat[rot]; vis->flip = flip; vis->mobj = thing; + vis->z1 = z1; + vis->z2 = z2; //Hurdler: 25/04/2000: now support colormap in hardware mode if ((vis->mobj->flags & MF_BOSS) && (vis->mobj->flags2 & MF2_FRET) && (leveltime & 1)) // Bosses "flash" From 4fb2a188465bc9ef5fc5450b55b3cdcc8b49215d Mon Sep 17 00:00:00 2001 From: Sryder Date: Tue, 13 Dec 2016 21:18:05 +0000 Subject: [PATCH 2/3] Fix a one character bug with clipping --- src/hardware/hw_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index 98ab6cab..d0f67b87 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -5192,7 +5192,7 @@ static void HWR_ProjectSprite(mobj_t *thing) z2 = z1 + offset * ang_scalez; tx += offset * ang_scale; } - if (papersprite && max(z1, z1) < ZCLIP_PLANE) + if (papersprite && max(z1, z2) < ZCLIP_PLANE) return; x2 = gr_windowcenterx + (tx * gr_centerx / tz); From 2e72539df24e16bc7e3d0007876c445a91dd1025 Mon Sep 17 00:00:00 2001 From: Sryder Date: Tue, 13 Dec 2016 21:22:40 +0000 Subject: [PATCH 3/3] Remove accidental leftovers Accidentally left a comment and stuff in there from previous attempts --- src/hardware/hw_main.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index d0f67b87..d4255ba4 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -4273,26 +4273,6 @@ static void HWR_DrawSprite(gr_vissprite_t *spr) // transform wv = wallVerts; - /*if (spr->mobj->frame & FF_PAPERSPRITE) - { - float mobjanglecos, mobjanglesin; - mobjanglesin = FIXED_TO_FLOAT(FINESINE((spr->mobj->angle-dup_viewangle+ANGLE_90)>>ANGLETOFINESHIFT)); - mobjanglecos = FIXED_TO_FLOAT(FINECOSINE((spr->mobj->angle-dup_viewangle+ANGLE_90)>>ANGLETOFINESHIFT)); - for (i = 0; i < 4; i++,wv++) - { - // x = (x * anglecos) + (z * anglesin) - // z = (x * anglesin) - (z * anglecos) - // instead of doing the z part we just add spr->tz afterwards because they are all the same - // value right now - tr_x = wv->x-spr->x2+(spr->x2-spr->x1)/2; - //wv->x = (tr_x * mobjanglecos) + (0) + (spr->x1+(spr->x2-spr->x1)/2); - wv->z = (tr_x * mobjanglesin) - (0) + (spr->tz); - } - }*/ - - // transform - wv = wallVerts; - for (i = 0; i < 4; i++,wv++) { //look up/down ----TOTAL SUCKS!!!--- do the 2 in one!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! @@ -5197,9 +5177,6 @@ static void HWR_ProjectSprite(mobj_t *thing) x2 = gr_windowcenterx + (tx * gr_centerx / tz); - - - if (thing->eflags & MFE_VERTICALFLIP) { gz = FIXED_TO_FLOAT(thing->z+thing->height) - FIXED_TO_FLOAT(spritecachedinfo[lumpoff].topoffset) * this_scale;