// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id:$ // // Copyright (C) 1993-1996 by id Software, Inc. // // This source is available for distribution and/or modification // only under the terms of the DOOM Source Code License as // published by id Software. All rights reserved. // // The source is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License // for more details. // // $Log:$ // // DESCRIPTION: // Rendering main loop and setup functions, // utility functions (BSP, geometry, trigonometry). // See tables.c, too. // //----------------------------------------------------------------------------- // HEADER FILES ------------------------------------------------------------ #include #include #include "templates.h" #include "doomdef.h" #include "d_net.h" #include "doomstat.h" #include "m_random.h" #include "m_bbox.h" #include "r_sky.h" #include "st_stuff.h" #include "c_cvars.h" #include "c_dispatch.h" #include "v_video.h" #include "stats.h" #include "i_video.h" #include "i_system.h" #include "a_sharedglobal.h" #include "r_data/r_translate.h" #include "p_3dmidtex.h" #include "r_data/r_interpolate.h" #include "v_palette.h" #include "po_man.h" #include "p_effect.h" #include "st_start.h" #include "v_font.h" #include "r_renderer.h" #include "r_data/colormaps.h" #include "serializer.h" #include "r_utility.h" #include "d_player.h" #include "p_local.h" #include "g_levellocals.h" #include "p_maputl.h" #include "math/cmath.h" // EXTERNAL DATA DECLARATIONS ---------------------------------------------- extern bool DrawFSHUD; // [RH] Defined in d_main.cpp EXTERN_CVAR (Bool, cl_capfps) // TYPES ------------------------------------------------------------------- struct InterpolationViewer { struct instance { DVector3 Pos; DRotator Angles; }; AActor *ViewActor; int otic; instance Old, New; }; // PRIVATE DATA DECLARATIONS ----------------------------------------------- static TArray PastViewers; static FRandom pr_torchflicker ("TorchFlicker"); static FRandom pr_hom; bool NoInterpolateView; // GL needs access to this. static TArray InterpolationPath; // PUBLIC DATA DEFINITIONS ------------------------------------------------- CVAR (Bool, r_deathcamera, false, CVAR_ARCHIVE) CVAR (Int, r_clearbuffer, 0, 0) CVAR (Bool, r_drawvoxels, true, 0) CVAR (Bool, r_drawplayersprites, true, 0) // [RH] Draw player sprites? CUSTOM_CVAR(Float, r_quakeintensity, 1.0f, CVAR_ARCHIVE | CVAR_GLOBALCONFIG) { if (self < 0.f) self = 0.f; else if (self > 1.f) self = 1.f; } int viewwindowx; int viewwindowy; int viewwidth; int viewheight; DVector3 ViewPos; DVector3 ViewActorPos; // the actual position of the viewing actor, without interpolation and quake offsets. DAngle ViewAngle; DAngle ViewPitch; DAngle ViewRoll; DVector3 ViewPath[2]; double ViewCos, ViewTanCos; double ViewSin, ViewTanSin; int centerx; int centery; int centerxwide; int otic; sector_t *viewsector; AActor *camera; // [RH] camera to draw from. doesn't have to be a player double r_TicFracF; // same as floating point uint32_t r_FrameTime; // [RH] Time this frame started drawing (in ms) bool r_NoInterpolate; bool r_showviewer; angle_t LocalViewAngle; int LocalViewPitch; bool LocalKeyboardTurner; float WidescreenRatio; int setblocks; int extralight; bool setsizeneeded; double FocalTangent; unsigned int R_OldBlend = ~0; int validcount = 1; // increment every time a check is made DAngle FieldOfView = 90.; // Angles in the SCREENWIDTH wide window FCanvasTextureInfo *FCanvasTextureInfo::List; DVector3a view; DAngle viewpitch; // CODE -------------------------------------------------------------------- static void R_Shutdown (); //========================================================================== // // R_SetFOV // // Changes the field of view in degrees // //========================================================================== void R_SetFOV (DAngle fov) { if (fov < 5.) fov = 5.; else if (fov > 170.) fov = 170.; if (fov != FieldOfView) { FieldOfView = fov; setsizeneeded = true; } } //========================================================================== // // R_SetViewSize // // Do not really change anything here, because it might be in the middle // of a refresh. The change will take effect next refresh. // //========================================================================== void R_SetViewSize (int blocks) { setsizeneeded = true; setblocks = blocks; } //========================================================================== // // R_SetWindow // //========================================================================== void R_SetWindow (int windowSize, int fullWidth, int fullHeight, int stHeight, bool renderingToCanvas) { if (windowSize >= 11) { viewwidth = fullWidth; freelookviewheight = viewheight = fullHeight; } else if (windowSize == 10) { viewwidth = fullWidth; viewheight = stHeight; freelookviewheight = fullHeight; } else { viewwidth = ((setblocks*fullWidth)/10) & (~15); viewheight = ((setblocks*stHeight)/10)&~7; freelookviewheight = ((setblocks*fullHeight)/10)&~7; } if (renderingToCanvas) { WidescreenRatio = fullWidth / (float)fullHeight; } else { WidescreenRatio = ActiveRatio(fullWidth, fullHeight); } DrawFSHUD = (windowSize == 11); // [RH] Sky height fix for screens not 200 (or 240) pixels tall R_InitSkyMap (); centery = viewheight/2; centerx = viewwidth/2; if (AspectTallerThanWide(WidescreenRatio)) { centerxwide = centerx; } else { centerxwide = centerx * AspectMultiplier(WidescreenRatio) / 48; } DAngle fov = FieldOfView; // For widescreen displays, increase the FOV so that the middle part of the // screen that would be visible on a 4:3 display has the requested FOV. if (centerxwide != centerx) { // centerxwide is what centerx would be if the display was not widescreen fov = DAngle::ToDegrees(2 * atan(centerx * tan(fov.Radians()/2) / double(centerxwide))); if (fov > 170.) fov = 170.; } FocalTangent = tan(fov.Radians() / 2); } //========================================================================== // // R_ExecuteSetViewSize // //========================================================================== void R_ExecuteSetViewSize () { setsizeneeded = false; V_SetBorderNeedRefresh(); R_SetWindow (setblocks, SCREENWIDTH, SCREENHEIGHT, gST_Y); // Handle resize, e.g. smaller view windows with border and/or status bar. viewwindowx = (screen->GetWidth() - viewwidth) >> 1; // Same with base row offset. viewwindowy = (viewwidth == screen->GetWidth()) ? 0 : (gST_Y - viewheight) >> 1; } //========================================================================== // // CVAR screenblocks // // Selects the size of the visible window // //========================================================================== CUSTOM_CVAR (Int, screenblocks, 10, CVAR_ARCHIVE) { if (self > 12) self = 12; else if (self < 3) self = 3; else R_SetViewSize (self); } //========================================================================== // // R_PointInSubsector // //========================================================================== subsector_t *R_PointInSubsector (fixed_t x, fixed_t y) { node_t *node; int side; // single subsector is a special case if (numnodes == 0) return subsectors; node = nodes + numnodes - 1; do { side = R_PointOnSide (x, y, node); node = (node_t *)node->children[side]; } while (!((size_t)node & 1)); return (subsector_t *)((uint8_t *)node - 1); } //========================================================================== // // R_Init // //========================================================================== void R_Init () { atterm (R_Shutdown); StartScreen->Progress(); // Colormap init moved back to InitPalette() //R_InitColormaps (); //StartScreen->Progress(); R_InitTranslationTables (); R_SetViewSize (screenblocks); Renderer->Init(); } //========================================================================== // // R_Shutdown // //========================================================================== static void R_Shutdown () { R_DeinitTranslationTables(); R_DeinitColormaps (); FCanvasTextureInfo::EmptyList(); } //========================================================================== // // R_InterpolateView // //========================================================================== //CVAR (Int, tf, 0, 0) EXTERN_CVAR (Bool, cl_noprediction) void R_InterpolateView (player_t *player, double Frac, InterpolationViewer *iview) { if (NoInterpolateView) { InterpolationPath.Clear(); NoInterpolateView = false; iview->Old = iview->New; } int oldgroup = R_PointInSubsector(iview->Old.Pos)->sector->PortalGroup; int newgroup = R_PointInSubsector(iview->New.Pos)->sector->PortalGroup; DAngle oviewangle = iview->Old.Angles.Yaw; DAngle nviewangle = iview->New.Angles.Yaw; if (!cl_capfps) { if ((iview->Old.Pos.X != iview->New.Pos.X || iview->Old.Pos.Y != iview->New.Pos.Y) && InterpolationPath.Size() > 0) { DVector3 view = iview->New.Pos; // Interpolating through line portals is a messy affair. // What needs be done is to store the portal transitions of the camera actor as waypoints // and then find out on which part of the path the current view lies. // Needless to say, this doesn't work for chasecam mode. if (!r_showviewer) { double pathlen = 0; double zdiff = 0; double totalzdiff = 0; DAngle adiff = 0.; DAngle totaladiff = 0.; double oviewz = iview->Old.Pos.Z; double nviewz = iview->New.Pos.Z; DVector3a oldpos = { { iview->Old.Pos.X, iview->Old.Pos.Y, 0 }, 0. }; DVector3a newpos = { { iview->New.Pos.X, iview->New.Pos.Y, 0 }, 0. }; InterpolationPath.Push(newpos); // add this to the array to simplify the loops below for (unsigned i = 0; i < InterpolationPath.Size(); i += 2) { DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1]; DVector3a &end = InterpolationPath[i]; pathlen += (end.pos - start.pos).Length(); totalzdiff += start.pos.Z; totaladiff += start.angle; } double interpolatedlen = Frac * pathlen; for (unsigned i = 0; i < InterpolationPath.Size(); i += 2) { DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1]; DVector3a &end = InterpolationPath[i]; double fraglen = (end.pos - start.pos).Length(); zdiff += start.pos.Z; adiff += start.angle; if (fraglen <= interpolatedlen) { interpolatedlen -= fraglen; } else { double fragfrac = interpolatedlen / fraglen; oviewz += zdiff; nviewz -= totalzdiff - zdiff; oviewangle += adiff; nviewangle -= totaladiff - adiff; DVector2 viewpos = start.pos + (fragfrac * (end.pos - start.pos)); ViewPos = { viewpos, oviewz + Frac * (nviewz - oviewz) }; break; } } InterpolationPath.Pop(); ViewPath[0] = iview->Old.Pos; ViewPath[1] = ViewPath[0] + (InterpolationPath[0].pos - ViewPath[0]).XY().MakeResize(pathlen); } } else { DVector2 disp = Displacements.getOffset(oldgroup, newgroup); ViewPos = iview->Old.Pos + (iview->New.Pos - iview->Old.Pos - disp) * Frac; ViewPath[0] = ViewPath[1] = iview->New.Pos; } } else { ViewPos = iview->New.Pos; ViewPath[0] = ViewPath[1] = iview->New.Pos; } if (player != NULL && !(player->cheats & CF_INTERPVIEW) && player - players == consoleplayer && camera == player->mo && !demoplayback && iview->New.Pos.X == camera->X() && iview->New.Pos.Y == camera->Y() && !(player->cheats & (CF_TOTALLYFROZEN|CF_FROZEN)) && player->playerstate == PST_LIVE && player->mo->reactiontime == 0 && !NoInterpolateView && !paused && (!netgame || !cl_noprediction) && !LocalKeyboardTurner) { ViewAngle = (nviewangle + AngleToFloat(LocalViewAngle & 0xFFFF0000)).Normalized180(); DAngle delta = player->centering ? DAngle(0.) : AngleToFloat(int(LocalViewPitch & 0xFFFF0000)); ViewPitch = clamp((iview->New.Angles.Pitch - delta).Normalized180(), player->MinPitch, player->MaxPitch); ViewRoll = iview->New.Angles.Roll.Normalized180(); } else { ViewPitch = (iview->Old.Angles.Pitch + deltaangle(iview->Old.Angles.Pitch, iview->New.Angles.Pitch) * Frac).Normalized180(); ViewAngle = (oviewangle + deltaangle(oviewangle, nviewangle) * Frac).Normalized180(); ViewRoll = (iview->Old.Angles.Roll + deltaangle(iview->Old.Angles.Roll, iview->New.Angles.Roll) * Frac).Normalized180(); } // Due to interpolation this is not necessarily the same as the sector the camera is in. viewsector = R_PointInSubsector(ViewPos)->sector; bool moved = false; while (!viewsector->PortalBlocksMovement(sector_t::ceiling)) { if (ViewPos.Z > viewsector->GetPortalPlaneZ(sector_t::ceiling)) { ViewPos += viewsector->GetPortalDisplacement(sector_t::ceiling); ViewActorPos += viewsector->GetPortalDisplacement(sector_t::ceiling); viewsector = R_PointInSubsector(ViewPos)->sector; moved = true; } else break; } if (!moved) { while (!viewsector->PortalBlocksMovement(sector_t::floor)) { if (ViewPos.Z < viewsector->GetPortalPlaneZ(sector_t::floor)) { ViewPos += viewsector->GetPortalDisplacement(sector_t::floor); ViewActorPos += viewsector->GetPortalDisplacement(sector_t::floor); viewsector = R_PointInSubsector(ViewPos)->sector; moved = true; } else break; } } } //========================================================================== // // R_ResetViewInterpolation // //========================================================================== void R_ResetViewInterpolation () { InterpolationPath.Clear(); NoInterpolateView = true; } //========================================================================== // // R_SetViewAngle // //========================================================================== void R_SetViewAngle () { ViewSin = ViewAngle.Sin(); ViewCos = ViewAngle.Cos(); ViewTanSin = FocalTangent * ViewSin; ViewTanCos = FocalTangent * ViewCos; } //========================================================================== // // FindPastViewer // //========================================================================== static InterpolationViewer *FindPastViewer (AActor *actor) { for (unsigned int i = 0; i < PastViewers.Size(); ++i) { if (PastViewers[i].ViewActor == actor) { return &PastViewers[i]; } } // Not found, so make a new one InterpolationViewer iview; memset(&iview, 0, sizeof(iview)); iview.ViewActor = actor; iview.otic = -1; InterpolationPath.Clear(); return &PastViewers[PastViewers.Push (iview)]; } //========================================================================== // // R_FreePastViewers // //========================================================================== void R_FreePastViewers () { InterpolationPath.Clear(); PastViewers.Clear (); } //========================================================================== // // R_ClearPastViewer // // If the actor changed in a non-interpolatable way, remove it. // //========================================================================== void R_ClearPastViewer (AActor *actor) { InterpolationPath.Clear(); for (unsigned int i = 0; i < PastViewers.Size(); ++i) { if (PastViewers[i].ViewActor == actor) { // Found it, so remove it. if (i == PastViewers.Size()) { PastViewers.Delete (i); } else { PastViewers.Pop (PastViewers[i]); } } } } //========================================================================== // // R_RebuildViewInterpolation // //========================================================================== void R_RebuildViewInterpolation(player_t *player) { if (player == NULL || player->camera == NULL) return; if (!NoInterpolateView) return; NoInterpolateView = false; InterpolationViewer *iview = FindPastViewer(player->camera); iview->Old = iview->New; InterpolationPath.Clear(); } //========================================================================== // // R_GetViewInterpolationStatus // //========================================================================== bool R_GetViewInterpolationStatus() { return NoInterpolateView; } //========================================================================== // // R_ClearInterpolationPath // //========================================================================== void R_ClearInterpolationPath() { InterpolationPath.Clear(); } //========================================================================== // // R_AddInterpolationPoint // //========================================================================== void R_AddInterpolationPoint(const DVector3a &vec) { InterpolationPath.Push(vec); } //========================================================================== // // QuakePower // //========================================================================== static double QuakePower(double factor, double intensity, double offset) { double randumb; if (intensity == 0) { randumb = 0; } else { randumb = pr_torchflicker.GenRand_Real2() * (intensity * 2) - intensity; } return factor * (offset + randumb); } //========================================================================== // // R_SetupFrame // //========================================================================== void R_SetupFrame (AActor *actor) { if (actor == NULL) { I_Error ("Tried to render from a NULL actor."); } player_t *player = actor->player; unsigned int newblend; InterpolationViewer *iview; bool unlinked = false; if (player != NULL && player->mo == actor) { // [RH] Use camera instead of viewplayer camera = player->camera; if (camera == NULL) { camera = player->camera = player->mo; } } else { camera = actor; } if (camera == NULL) { I_Error ("You lost your body. Bad dehacked work is likely to blame."); } iview = FindPastViewer (camera); int nowtic = I_GetTime (false); if (iview->otic != -1 && nowtic > iview->otic) { iview->otic = nowtic; iview->Old = iview->New; } if (player != NULL && gamestate != GS_TITLELEVEL && ((player->cheats & CF_CHASECAM) || (r_deathcamera && camera->health <= 0))) { sector_t *oldsector = R_PointInSubsector(iview->Old.Pos)->sector; // [RH] Use chasecam view DVector3 campos; DAngle camangle; P_AimCamera (camera, campos, camangle, viewsector, unlinked); // fixme: This needs to translate the angle, too. iview->New.Pos = campos; iview->New.Angles.Yaw = camangle; r_showviewer = true; // Interpolating this is a very complicated thing because nothing keeps track of the aim camera's movement, so whenever we detect a portal transition // it's probably best to just reset the interpolation for this move. // Note that this can still cause problems with unusually linked portals if (viewsector->PortalGroup != oldsector->PortalGroup || (unlinked && ((iview->New.Pos.XY() - iview->Old.Pos.XY()).LengthSquared()) > 256*256)) { iview->otic = nowtic; iview->Old = iview->New; r_NoInterpolate = true; } ViewActorPos = campos; } else { ViewActorPos = iview->New.Pos = { camera->Pos().XY(), camera->player ? camera->player->viewz : camera->Z() + camera->GetCameraHeight() }; viewsector = camera->Sector; r_showviewer = false; } iview->New.Angles = camera->Angles; if (camera->player != 0) { player = camera->player; } if (iview->otic == -1 || r_NoInterpolate) { R_ResetViewInterpolation (); iview->otic = nowtic; } r_TicFracF = I_GetTimeFrac (&r_FrameTime); if (cl_capfps || r_NoInterpolate) { r_TicFracF = 1.; } R_InterpolateView (player, r_TicFracF, iview); R_SetViewAngle (); interpolator.DoInterpolations (r_TicFracF); // Keep the view within the sector's floor and ceiling if (viewsector->PortalBlocksMovement(sector_t::ceiling)) { double theZ = viewsector->ceilingplane.ZatPoint(ViewPos) - 4; if (ViewPos.Z > theZ) { ViewPos.Z = theZ; } } if (viewsector->PortalBlocksMovement(sector_t::floor)) { double theZ = viewsector->floorplane.ZatPoint(ViewPos) + 4; if (ViewPos.Z < theZ) { ViewPos.Z = theZ; } } if (!paused) { FQuakeJiggers jiggers; memset(&jiggers, 0, sizeof(jiggers)); if (DEarthquake::StaticGetQuakeIntensities(camera, jiggers) > 0) { double quakefactor = r_quakeintensity; DAngle an; if (jiggers.RollIntensity != 0 || jiggers.RollWave != 0) { ViewRoll += QuakePower(quakefactor, jiggers.RollIntensity, jiggers.RollWave); } if (jiggers.RelIntensity.X != 0 || jiggers.RelOffset.X != 0) { an = camera->Angles.Yaw; double power = QuakePower(quakefactor, jiggers.RelIntensity.X, jiggers.RelOffset.X); ViewPos += an.ToVector(power); } if (jiggers.RelIntensity.Y != 0 || jiggers.RelOffset.Y != 0) { an = camera->Angles.Yaw + 90; double power = QuakePower(quakefactor, jiggers.RelIntensity.Y, jiggers.RelOffset.Y); ViewPos += an.ToVector(power); } // FIXME: Relative Z is not relative if (jiggers.RelIntensity.Z != 0 || jiggers.RelOffset.Z != 0) { ViewPos.Z += QuakePower(quakefactor, jiggers.RelIntensity.Z, jiggers.RelOffset.Z); } if (jiggers.Intensity.X != 0 || jiggers.Offset.X != 0) { ViewPos.X += QuakePower(quakefactor, jiggers.Intensity.X, jiggers.Offset.X); } if (jiggers.Intensity.Y != 0 || jiggers.Offset.Y != 0) { ViewPos.Y += QuakePower(quakefactor, jiggers.Intensity.Y, jiggers.Offset.Y); } if (jiggers.Intensity.Z != 0 || jiggers.Offset.Z != 0) { ViewPos.Z += QuakePower(quakefactor, jiggers.Intensity.Z, jiggers.Offset.Z); } } } extralight = camera->player ? camera->player->extralight : 0; // killough 3/20/98, 4/4/98: select colormap based on player status // [RH] Can also select a blend newblend = 0; TArray &lightlist = viewsector->e->XFloor.lightlist; if (lightlist.Size() > 0) { for(unsigned int i = 0; i < lightlist.Size(); i++) { secplane_t *plane; int viewside; plane = (i < lightlist.Size()-1) ? &lightlist[i+1].plane : &viewsector->floorplane; viewside = plane->PointOnSide(ViewPos); // Reverse the direction of the test if the plane was downward facing. // We want to know if the view is above it, whatever its orientation may be. if (plane->fC() < 0) viewside = -viewside; if (viewside > 0) { // 3d floor 'fog' is rendered as a blending value PalEntry blendv = lightlist[i].blend; // If no alpha is set, use 50% if (blendv.a==0 && blendv!=0) blendv.a=128; newblend = blendv.d; break; } } } else { const sector_t *s = viewsector->GetHeightSec(); if (s != NULL) { newblend = s->floorplane.PointOnSide(ViewPos) < 0 ? s->bottommap : s->ceilingplane.PointOnSide(ViewPos) < 0 ? s->topmap : s->midmap; if (APART(newblend) == 0 && newblend >= numfakecmaps) newblend = 0; } } // [RH] Don't override testblend unless entering a sector with a // blend different from the previous sector's. Same goes with // NormalLight's maps pointer. if (R_OldBlend != newblend) { R_OldBlend = newblend; if (APART(newblend)) { BaseBlendR = RPART(newblend); BaseBlendG = GPART(newblend); BaseBlendB = BPART(newblend); BaseBlendA = APART(newblend) / 255.f; NormalLight.Maps = realcolormaps.Maps; } else { NormalLight.Maps = realcolormaps.Maps + NUMCOLORMAPS*256*newblend; BaseBlendR = BaseBlendG = BaseBlendB = 0; BaseBlendA = 0.f; } } validcount++; if (r_clearbuffer != 0) { int color; int hom = r_clearbuffer; if (hom == 3) { hom = ((I_FPSTime() / 128) & 1) + 1; } if (hom == 1) { color = GPalette.BlackIndex; } else if (hom == 2) { color = GPalette.WhiteIndex; } else if (hom == 4) { color = (I_FPSTime() / 32) & 255; } else { color = pr_hom(); } Renderer->SetClearColor(color); } } //========================================================================== // // FCanvasTextureInfo :: Add // // Assigns a camera to a canvas texture. // //========================================================================== void FCanvasTextureInfo::Add (AActor *viewpoint, FTextureID picnum, int fov) { FCanvasTextureInfo *probe; FCanvasTexture *texture; if (!picnum.isValid()) { return; } texture = static_cast(TexMan[picnum]); if (!texture->bHasCanvas) { Printf ("%s is not a valid target for a camera\n", texture->Name.GetChars()); return; } // Is this texture already assigned to a camera? for (probe = List; probe != NULL; probe = probe->Next) { if (probe->Texture == texture) { // Yes, change its assignment to this new camera if (probe->Viewpoint != viewpoint || probe->FOV != fov) { texture->bFirstUpdate = true; } probe->Viewpoint = viewpoint; probe->FOV = fov; return; } } // No, create a new assignment probe = new FCanvasTextureInfo; probe->Viewpoint = viewpoint; probe->Texture = texture; probe->PicNum = picnum; probe->FOV = fov; probe->Next = List; texture->bFirstUpdate = true; List = probe; } //========================================================================== // // FCanvasTextureInfo :: UpdateAll // // Updates all canvas textures that were visible in the last frame. // //========================================================================== void FCanvasTextureInfo::UpdateAll () { FCanvasTextureInfo *probe; for (probe = List; probe != NULL; probe = probe->Next) { if (probe->Viewpoint != NULL && probe->Texture->bNeedsUpdate) { Renderer->RenderTextureView(probe->Texture, probe->Viewpoint, probe->FOV); } } } //========================================================================== // // FCanvasTextureInfo :: EmptyList // // Removes all camera->texture assignments. // //========================================================================== void FCanvasTextureInfo::EmptyList () { FCanvasTextureInfo *probe, *next; for (probe = List; probe != NULL; probe = next) { next = probe->Next; probe->Texture->Unload(); delete probe; } List = NULL; } //========================================================================== // // FCanvasTextureInfo :: Serialize // // Reads or writes the current set of mappings in an archive. // //========================================================================== void FCanvasTextureInfo::Serialize(FSerializer &arc) { if (arc.isWriting()) { if (List != nullptr) { if (arc.BeginArray("canvastextures")) { FCanvasTextureInfo *probe; for (probe = List; probe != nullptr; probe = probe->Next) { if (probe->Texture != nullptr && probe->Viewpoint != nullptr) { if (arc.BeginObject(nullptr)) { arc("viewpoint", probe->Viewpoint) ("fov", probe->FOV) ("texture", probe->PicNum) .EndObject(); } } } arc.EndArray(); } } } else { if (arc.BeginArray("canvastextures")) { AActor *viewpoint; int fov; FTextureID picnum; while (arc.BeginObject(nullptr)) { arc("viewpoint", viewpoint) ("fov", fov) ("texture", picnum) .EndObject(); Add(viewpoint, picnum, fov); } arc.EndArray(); } } } //========================================================================== // // FCanvasTextureInfo :: Mark // // Marks all viewpoints in the list for the collector. // //========================================================================== void FCanvasTextureInfo::Mark() { for (FCanvasTextureInfo *probe = List; probe != NULL; probe = probe->Next) { GC::Mark(probe->Viewpoint); } } //========================================================================== // // CVAR transsouls // // How translucent things drawn with STYLE_SoulTrans are. Normally, only // Lost Souls have this render style. // Values less than 0.25 will automatically be set to // 0.25 to ensure some degree of visibility. Likewise, values above 1.0 will // be set to 1.0, because anything higher doesn't make sense. // //========================================================================== CUSTOM_CVAR(Float, transsouls, 0.75f, CVAR_ARCHIVE) { if (self < 0.25f) { self = 0.25f; } else if (self > 1.f) { self = 1.f; } }