//------------------------------------------------------------------------- /* Copyright (C) 1996, 2003 - 3D Realms Entertainment This file is part of Duke Nukem 3D version 1.5 - Atomic Edition Duke Nukem 3D is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Original Source: 1996 - Todd Replogle Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms Modifications for JonoF's port by Jonathon Fowler (jf@jonof.id.au) */ //------------------------------------------------------------------------- #include "ns.h" #include "duke3d.h" #include "build.h" #include "v_video.h" #include "prediction.h" #include "automap.h" #include "dukeactor.h" #include "interpolate.h" #include "render.h" #include "glbackend/glbackend.h" #include "_polymost.cpp" // temporary hack to pass along RRRA's global fog. Needs to be done better later. extern PalEntry GlobalMapFog; extern float GlobalFogDensity; EXTERN_CVAR(Bool, testnewrenderer) BEGIN_DUKE_NS //--------------------------------------------------------------------------- // // Floor Over Floor // If standing in sector with SE42 // then draw viewing to SE41 and raise all =hi SE43 cielings. // If standing in sector with SE43 // then draw viewing to SE40 and lower all =hi SE42 floors. // If standing in sector with SE44 // then draw viewing to SE40. // If standing in sector with SE45 // then draw viewing to SE41. // //--------------------------------------------------------------------------- void renderView(spritetype* playersprite, int sectnum, int x, int y, int z, binangle a, fixedhoriz h, binangle rotscrnang, int smoothratio) { if (!testnewrenderer) { // do screen rotation. renderSetRollAngle((float)rotscrnang.asbuildf()); se40code(x, y, z, a, h, smoothratio); renderMirror(x, y, z, a, h, smoothratio); renderDrawRoomsQ16(x, y, z, a.asq16(), h.asq16(), sectnum, false); fi.animatesprites(pm_tsprite, pm_spritesortcnt, x, y, a.asbuild(), smoothratio); renderDrawMasks(); } else { render_drawrooms(playersprite, { x, y, z }, sectnum, a, h, rotscrnang, smoothratio); } } //--------------------------------------------------------------------------- // // // //--------------------------------------------------------------------------- void GameInterface::UpdateCameras(double smoothratio) { const int VIEWSCREEN_ACTIVE_DISTANCE = 8192; if (camsprite == nullptr) return; auto p = &ps[screenpeek]; auto sp = camsprite->s; if (p->newOwner != nullptr) camsprite->SetOwner(p->newOwner); if (camsprite->GetOwner() && dist(p->GetActor(), camsprite) < VIEWSCREEN_ACTIVE_DISTANCE) { auto tex = tileGetTexture(sp->picnum); TileFiles.MakeCanvas(TILE_VIEWSCR, (int)tex->GetDisplayWidth(), (int)tex->GetDisplayHeight()); auto canvas = renderSetTarget(TILE_VIEWSCR); if (!canvas) return; screen->RenderTextureView(canvas, [=](IntRect& rect) { auto camera = camsprite->GetOwner()->s; auto ang = buildang(camera->interpolatedang(smoothratio)); display_mirror = 1; // should really be 'display external view'. if (!testnewrenderer) { // Note: no ROR or camera here - Polymost has no means to detect these things before rendering the scene itself. renderDrawRoomsQ16(camera->x, camera->y, camera->z, ang.asq16(), IntToFixed(camera->shade), camera->sectnum, false); // why 'shade'...? fi.animatesprites(pm_tsprite, pm_spritesortcnt, camera->x, camera->y, ang.asbuild(), (int)smoothratio); renderDrawMasks(); } else { render_camtex(camera, camera->pos, camera->sectnum, ang, buildhoriz(camera->shade), buildang(0), tex, rect, smoothratio); } display_mirror = 0; }); renderRestoreTarget(); } } void GameInterface::EnterPortal(spritetype* viewer, int type) { if (type == PORTAL_WALL_MIRROR) display_mirror++; } void GameInterface::LeavePortal(spritetype* viewer, int type) { if (type == PORTAL_WALL_MIRROR) display_mirror--; } bool GameInterface::GetGeoEffect(GeoEffect* eff, sectortype* viewsector) { if (isRR() && viewsector->lotag == 848) { eff->geocnt = geocnt; eff->geosector = geosector; eff->geosectorwarp = geosectorwarp; eff->geosectorwarp2 = geosectorwarp2; eff->geox = geox; eff->geoy = geoy; eff->geox2 = geox2; eff->geoy2 = geoy2; return true; } return false; } //--------------------------------------------------------------------------- // // RRRA's drug distortion effect // //--------------------------------------------------------------------------- int DrugTimer; static int getdrugmode(player_struct *p, int oyrepeat) { int now = I_GetBuildTime() >> 1; // this function works on a 60 fps setup. if (playrunning() && p->DrugMode > 0) { if (now - DrugTimer > 4 || now - DrugTimer < 0) DrugTimer = now - 1; while (DrugTimer < now) { DrugTimer++; int var_8c; if (p->drug_stat[0] == 0) { p->drug_stat[1]++; var_8c = oyrepeat + p->drug_stat[1] * 5000; if (oyrepeat * 3 < var_8c) { p->drug_aspect = oyrepeat * 3; p->drug_stat[0] = 2; } else { p->drug_aspect = var_8c; } } else if (p->drug_stat[0] == 3) { p->drug_stat[1]--; var_8c = oyrepeat + p->drug_stat[1] * 5000; if (var_8c < oyrepeat) { p->DrugMode = 0; p->drug_stat[0] = 0; p->drug_stat[2] = 0; p->drug_stat[1] = 0; p->drug_aspect = oyrepeat; } else { p->drug_aspect = var_8c; } } else if (p->drug_stat[0] == 2) { if (p->drug_stat[2] > 30) { p->drug_stat[0] = 1; } else { p->drug_stat[2]++; p->drug_aspect = oyrepeat * 3 + p->drug_stat[2] * 500; } } else { if (p->drug_stat[2] < 1) { p->drug_stat[0] = 2; p->DrugMode--; if (p->DrugMode == 1) p->drug_stat[0] = 3; } else { p->drug_stat[2]--; p->drug_aspect = oyrepeat * 3 + p->drug_stat[2] * 500; } } } return p->drug_aspect; } else { DrugTimer = now; return oyrepeat; } } //--------------------------------------------------------------------------- // // // //--------------------------------------------------------------------------- void displayrooms(int snum, double smoothratio) { int cposx, cposy, cposz, fz, cz; binangle cang, rotscrnang; fixedhoriz choriz; struct player_struct* p; p = &ps[snum]; pm_smoothratio = (int)smoothratio; if (automapMode == am_full || !p->insector()) return; // Do not light up the fog in RRRA's E2L1. Ideally this should apply to all foggy levels but all others use lookup table hacks for their fog. if (isRRRA() && fogactive) { p->visibility = ud.const_visibility; } g_visibility = p->visibility; videoSetCorrectedAspect(); auto sect = p->cursector; GlobalMapFog = fogactive ? 0x999999 : 0; GlobalFogDensity = fogactive ? 350.f : 0.f; GLInterface.SetMapFog(fogactive != 0); DoInterpolations(smoothratio / 65536.); setgamepalette(BASEPAL); if (!testnewrenderer) gi->UpdateCameras(smoothratio); // Only Polymost does this here. The new renderer calls this internally. if (ud.cameraactor) { spritetype* s = ud.cameraactor->s; if (s->yvel < 0) s->yvel = -100; else if (s->yvel > 199) s->yvel = 300; cang = buildang(interpolatedangle(ud.cameraactor->tempang, s->ang, smoothratio)); auto bh = buildhoriz(s->yvel); renderView(s, s->sectnum, s->x, s->y, s->z - (4 << 8), cang, bh, buildang(0), (int)smoothratio); } else { // Fixme: This should get the aspect ratio from the backend, not the current viewport size. int i = DivScale(1, isRR() ? 64 : p->GetActor()->s->yrepeat + 28, 22); int viewingaspect = !isRRRA() || !p->DrugMode ? xs_CRoundToInt(double(i) * tan(r_fov * (pi::pi() / 360.))) : getdrugmode(p, i); renderSetAspect(MulScale(viewingaspect, viewingrange, 16), yxaspect); // The camera texture must be rendered with the base palette, so this is the only place where the current global palette can be set. // The setting here will be carried over to the rendering of the weapon sprites, but other 2D content will always default to the main palette. setgamepalette(setpal(p)); // set screen rotation. rotscrnang = !SyncInput() ? p->angle.rotscrnang : p->angle.interpolatedrotscrn(smoothratio); #if 0 if ((snum == myconnectindex) && (numplayers > 1)) { cposx = interpolatedvalue(omyx, myx, smoothratio); cposy = interpolatedvalue(omyy, myy, smoothratio); cposz = interpolatedvalue(omyz, myz, smoothratio); if (SyncInput()) { choriz = interpolatedhorizon(omyhoriz + omyhorizoff, myhoriz + myhorizoff, smoothratio); cang = interpolatedangle(omyang, myang, smoothratio); } else { cang = myang; choriz = myhoriz + myhorizoff; } sect = mycursectnum; } else #endif { cposx = interpolatedvalue(p->oposx, p->pos.x, smoothratio); cposy = interpolatedvalue(p->oposy, p->pos.y, smoothratio); cposz = interpolatedvalue(p->oposz, p->pos.z, smoothratio);; if (SyncInput()) { // Original code for when the values are passed through the sync struct choriz = p->horizon.interpolatedsum(smoothratio); cang = p->angle.interpolatedsum(smoothratio); } else { // This is for real time updating of the view direction. cang = p->angle.sum(); choriz = p->horizon.sum(); } } spritetype* viewer; if (p->newOwner != nullptr) { auto spr = p->newOwner->s; cang = buildang(spr->interpolatedang(smoothratio)); choriz = buildhoriz(spr->shade); cposx = spr->pos.x; cposy = spr->pos.y; cposz = spr->pos.z; sect = spr->sector(); rotscrnang = buildang(0); smoothratio = MaxSmoothRatio; viewer = spr; } else if (p->over_shoulder_on == 0) { if (cl_viewbob) cposz += interpolatedvalue(p->opyoff, p->pyoff, smoothratio); viewer = p->GetActor()->s; } else { cposz -= isRR() ? 3840 : 3072; if (!calcChaseCamPos(&cposx, &cposy, &cposz, p->GetActor()->s, §, cang, choriz, smoothratio)) { cposz += isRR() ? 3840 : 3072; calcChaseCamPos(&cposx, &cposy, &cposz, p->GetActor()->s, §, cang, choriz, smoothratio); } viewer = p->GetActor()->s; } cz = p->GetActor()->ceilingz; fz = p->GetActor()->floorz; if (earthquaketime > 0 && p->on_ground == 1) { cposz += 256 - (((earthquaketime) & 1) << 9); cang += buildang((2 - ((earthquaketime) & 2)) << 2); } if (p->GetActor()->s->pal == 1) cposz -= (18 << 8); else if (p->spritebridge == 0 && p->newOwner == nullptr) { if (cposz < (p->truecz + (4 << 8))) cposz = cz + (4 << 8); else if (cposz > (p->truefz - (4 << 8))) cposz = fz - (4 << 8); } if (sect) { getzsofslopeptr(sect, cposx, cposy, &cz, &fz); if (cposz < cz + (4 << 8)) cposz = cz + (4 << 8); if (cposz > fz - (4 << 8)) cposz = fz - (4 << 8); } choriz = clamp(choriz, q16horiz(gi->playerHorizMin()), q16horiz(gi->playerHorizMax())); if (isRR() && sect->lotag == 848 && !testnewrenderer) { renderSetRollAngle((float)rotscrnang.asbuildf()); geometryEffect(cposx, cposy, cposz, cang, choriz, sectnum(sect), (int)smoothratio); } else { renderView(viewer, sectnum(sect), cposx, cposy, cposz, cang, choriz, rotscrnang, (int)smoothratio); } } //GLInterface.SetMapFog(false); RestoreInterpolations(); if (!isRRRA() || !fogactive) { if (PlayClock < lastvisinc) { if (abs(p->visibility - ud.const_visibility) > 8) p->visibility += (ud.const_visibility - p->visibility) >> 2; } else p->visibility = ud.const_visibility; } } bool GameInterface::GenerateSavePic() { displayrooms(myconnectindex, MaxSmoothRatio); return true; } void GameInterface::processSprites(spritetype* tsprite, int& spritesortcnt, int viewx, int viewy, int viewz, binangle viewang, double smoothRatio) { fi.animatesprites(tsprite, spritesortcnt, viewx, viewy, viewang.asbuild(), int(smoothRatio)); } END_DUKE_NS