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8281374551
This is way too expensive on maps with lots of sprites. Instead, run them through the case for slope sprites which should be sufficient here Also let rendered_* count the actual draw calls, not processed objects, because that is the most relevant metric for checking performance issues.
1197 lines
No EOL
33 KiB
C++
1197 lines
No EOL
33 KiB
C++
//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2000-2016 Christoph Oelckers
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// All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//--------------------------------------------------------------------------
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//
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#include "texturemanager.h"
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#include "hw_dynlightdata.h"
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#include "hw_material.h"
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#include "hw_cvars.h"
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#include "hw_clock.h"
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//#include "hw_lighting.h"
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#include "hw_drawinfo.h"
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#include "hw_portal.h"
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#include "hw_lightbuffer.h"
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#include "hw_renderstate.h"
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#include "hw_skydome.h"
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#include "hw_drawstructs.h"
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#include "hw_vertexmap.h"
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#include "gamefuncs.h"
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#include "cmdlib.h"
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#include "v_video.h"
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#include "flatvertices.h"
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#include "glbackend/glbackend.h"
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DCoreActor* wall_to_sprite_actors[8]; // gets updated each frame. Todo: Encapsulate this better without having to permanently store actors in the wall object.
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//==========================================================================
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//
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//
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//
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//==========================================================================
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static walltype* IsOnWall(tspritetype* tspr, int height, DVector2& outpos)
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{
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const double maxdistsq = (tspr->ang & 0x1ff)? 3 * 3 : 1; // lower tolerance for perfectly orthogonal sprites
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auto sect = tspr->sectp;
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walltype* closest = nullptr;
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int topz = (tspr->pos.Z - ((height * tspr->yrepeat) << 2));
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for(auto& wal : wallsofsector(sect))
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{
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// Intentionally include two sided walls. Even on them the sprite should be projected onto the wall for better results.
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auto d = wal.delta();
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int walang = getangle(d.X, d.Y);
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int deltaang = abs((((walang - tspr->ang) & 2047) << 21) >> 21);
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const int maxangdelta = 1;
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// angle of the sprite must either be the wall's normal or the negative wall's normal to be aligned.
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if (deltaang >= 512 - maxangdelta && deltaang <= 512 + maxangdelta)
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{
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// orthogonal lines do not check the actual position so that certain off-sector sprites get handled properly.
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// In Wanton Destruction's airplane level there's such a sprite assigned to the wrong sector.
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if (d.X == 0)
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{
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if (tspr->pos.X == wal.pos.X)
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{
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closest = &wal;
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}
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}
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else if (d.Y == 0)
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{
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if (tspr->pos.Y == wal.pos.Y)
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{
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closest = &wal;
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}
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}
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else
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{
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double wdist = SquareDistToWall(tspr->pos.X, tspr->pos.Y, &wal, &outpos);
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if (wdist <= maxdistsq)
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{
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closest = &wal;
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}
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}
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}
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}
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// todo: cache this in the sprite to avoid recalculation.
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return closest;
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}
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//==========================================================================
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//
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// General purpose wall rendering function
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// everything goes through here
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//
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//==========================================================================
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void HWWall::RenderWall(HWDrawInfo *di, FRenderState &state, int textured)
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{
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assert(vertcount > 0);
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state.SetLightIndex(dynlightindex);
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state.Draw(DT_TriangleFan, vertindex, vertcount);
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vertexcount += vertcount;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::RenderFogBoundary(HWDrawInfo *di, FRenderState &state)
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{
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if (gl_fogmode)// && !di->isFullbrightScene())
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{
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state.EnableDrawBufferAttachments(false);
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SetLightAndFog(di, state, fade, palette, shade, visibility, alpha);
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state.SetEffect(EFF_FOGBOUNDARY);
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state.AlphaFunc(Alpha_GEqual, 0.f);
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state.SetDepthBias(-1, -128);
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RenderWall(di, state, HWWall::RWF_BLANK);
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state.ClearDepthBias();
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state.SetEffect(EFF_NONE);
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state.EnableDrawBufferAttachments(true);
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}
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::RenderMirrorSurface(HWDrawInfo *di, FRenderState &state)
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{
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if (!TexMan.mirrorTexture.isValid()) return;
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state.SetDepthFunc(DF_LEqual);
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// we use texture coordinates and texture matrix to pass the normal stuff to the shader so that the default vertex buffer format can be used as is.
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state.EnableTextureMatrix(true);
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// Use sphere mapping for this
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state.SetEffect(EFF_SPHEREMAP);
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SetLightAndFog(di, state, fade, palette, min<int>(shade, numshades), visibility, alpha);
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state.SetColor(PalEntry(25, globalr >> 1, globalg >> 1, globalb >> 1));
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state.SetRenderStyle(STYLE_Add);
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state.AlphaFunc(Alpha_Greater, 0);
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auto tex = TexMan.GetGameTexture(TexMan.mirrorTexture, false);
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state.SetMaterial(tex, UF_None, 0, CLAMP_NONE, 0, -1); // do not upscale the mirror texture.
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RenderWall(di, state, HWWall::RWF_BLANK);
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state.EnableTextureMatrix(false);
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state.SetEffect(EFF_NONE);
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state.AlphaFunc(Alpha_GEqual, 0.5f);
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state.SetDepthFunc(DF_Less);
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state.SetRenderStyle(STYLE_Translucent);
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::RenderTexturedWall(HWDrawInfo *di, FRenderState &state, int rflags)
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{
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SetLightAndFog(di, state, fade, palette, shade, visibility, alpha);
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state.SetMaterial(texture, UF_Texture, 0, (flags & (HWF_CLAMPX | HWF_CLAMPY)), TRANSLATION(Translation_Remap + curbasepal, palette), -1);
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if (Sprite == nullptr)
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{
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if (shade > numshades && (GlobalMapFog || (fade & 0xffffff)))
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{
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state.SetObjectColor(fade | 0xff000000);
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state.EnableTexture(false);
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}
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int h = (int)texture->GetDisplayHeight();
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int h2 = 1 << sizeToBits(h);
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if (h2 < h) h2 *= 2;
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if (h != h2)
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{
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float xOffset = 1.f / texture->GetDisplayWidth();
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state.SetNpotEmulation(float(h2) / h, xOffset);
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}
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RenderWall(di, state, rflags);
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}
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else if (!(rflags & RWF_TRANS))
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{
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auto oldbias = state.GetDepthBias();
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if (walldist) state.SetDepthBias(-1, -129);
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else state.ClearDepthBias();
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RenderWall(di, state, rflags);
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state.SetDepthBias(oldbias);
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}
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else
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RenderWall(di, state, rflags);
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state.SetNpotEmulation(0.f, 0.f);
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state.SetObjectColor(0xffffffff);
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state.EnableTexture(true);
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/* none of these functions is in use.
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state.SetObjectColor2(0);
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state.SetAddColor(0);
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state.SetTextureMode(tmode);
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state.EnableGlow(false);
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state.EnableGradient(false);
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state.ApplyTextureManipulation(nullptr);
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*/
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::RenderTranslucentWall(HWDrawInfo *di, FRenderState &state)
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{
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if (RenderStyle.BlendOp != STYLEOP_Add)
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{
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state.EnableBrightmap(false);
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}
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state.SetRenderStyle(RenderStyle);
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state.SetTextureMode(RenderStyle);
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if (texture && !checkTranslucentReplacement(texture->GetID(), palette)) state.AlphaFunc(Alpha_GEqual, texture->alphaThreshold);
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else state.AlphaFunc(Alpha_GEqual, 0.f);
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RenderTexturedWall(di, state, HWWall::RWF_TEXTURED);
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state.SetRenderStyle(STYLE_Translucent);
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state.EnableBrightmap(true);
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::DrawWall(HWDrawInfo *di, FRenderState &state, bool translucent)
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{
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rendered_lines++;
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if (screen->BuffersArePersistent())
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{
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/*
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if (di->Level->HasDynamicLights && !di->isFullbrightScene() && texture != nullptr)
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{
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SetupLights(di, lightdata);
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}
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*/
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MakeVertices(di, !!(flags & HWWall::HWF_TRANSLUCENT));
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}
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state.SetNormal(glseg.Normal());
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if (!translucent)
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{
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RenderTexturedWall(di, state, HWWall::RWF_TEXTURED);
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}
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else
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{
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switch (type)
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{
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case RENDERWALL_MIRRORSURFACE:
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RenderMirrorSurface(di, state);
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break;
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case RENDERWALL_FOGBOUNDARY:
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RenderFogBoundary(di, state);
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break;
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default:
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RenderTranslucentWall(di, state);
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break;
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}
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}
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}
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//==========================================================================
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//
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// Collect lights for shader
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//
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//==========================================================================
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#if 0
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void HWWall::SetupLights(HWDrawInfo *di, FDynLightData &lightdata)
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{
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lightdata.Clear();
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if (RenderStyle == STYLE_Add && !di->Level->lightadditivesurfaces) return; // no lights on additively blended surfaces.
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// check for wall types which cannot have dynamic lights on them (portal types never get here so they don't need to be checked.)
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switch (type)
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{
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case RENDERWALL_FOGBOUNDARY:
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case RENDERWALL_MIRRORSURFACE:
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case RENDERWALL_COLOR:
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return;
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}
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float vtx[]={glseg.x1,zbottom[0],glseg.y1, glseg.x1,ztop[0],glseg.y1, glseg.x2,ztop[1],glseg.y2, glseg.x2,zbottom[1],glseg.y2};
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Plane p;
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auto normal = glseg.Normal();
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p.Set(normal, -normal.X * glseg.x1 - normal.Z * glseg.y1);
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FLightNode *node;
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if (seg->sidedef == NULL)
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{
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node = NULL;
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}
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else if (!(seg->sidedef->Flags & WALLF_POLYOBJ))
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{
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node = seg->sidedef->lighthead;
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}
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else if (sub)
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{
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// Polobject segs cannot be checked per sidedef so use the subsector instead.
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node = sub->section->lighthead;
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}
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else node = NULL;
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// Iterate through all dynamic lights which touch this wall and render them
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while (node)
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{
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if (node->lightsource->IsActive())
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{
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iter_dlight++;
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DVector3 posrel = node->lightsource->PosRelative(seg->frontsector->PortalGroup);
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float x = posrel.X;
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float y = posrel.Y;
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float z = posrel.Z;
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float dist = fabsf(p.DistToPoint(x, z, y));
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float radius = node->lightsource->GetRadius();
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float scale = 1.0f / ((2.f * radius) - dist);
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FVector3 fn, pos;
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if (radius > 0.f && dist < radius)
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{
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FVector3 nearPt, up, right;
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pos = { x, z, y };
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fn = p.Normal();
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fn.GetRightUp(right, up);
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FVector3 tmpVec = fn * dist;
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nearPt = pos + tmpVec;
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FVector3 t1;
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int outcnt[4]={0,0,0,0};
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texcoord tcs[4];
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// do a quick check whether the light touches this polygon
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for(int i=0;i<4;i++)
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{
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t1 = FVector3(&vtx[i*3]);
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FVector3 nearToVert = t1 - nearPt;
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tcs[i].u = ((nearToVert | right) * scale) + 0.5f;
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tcs[i].v = ((nearToVert | up) * scale) + 0.5f;
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if (tcs[i].u<0) outcnt[0]++;
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if (tcs[i].u>1) outcnt[1]++;
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if (tcs[i].v<0) outcnt[2]++;
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if (tcs[i].v>1) outcnt[3]++;
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}
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if (outcnt[0]!=4 && outcnt[1]!=4 && outcnt[2]!=4 && outcnt[3]!=4)
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{
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draw_dlight += GetLight(lightdata, seg->frontsector->PortalGroup, p, node->lightsource, true);
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}
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}
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}
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node = node->nextLight;
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}
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dynlightindex = screen->mLights->UploadLights(lightdata);
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}
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#endif
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void HWWall::PutWall(HWDrawInfo *di, bool translucent)
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{
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if (translucent || (texture && texture->GetTranslucency() && type == RENDERWALL_M2S))
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{
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flags |= HWF_TRANSLUCENT;
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ViewDistance = (di->Viewpoint.Pos.XY() - DVector2((glseg.x1 + glseg.x2) * 0.5f, (glseg.y1 + glseg.y2) * 0.5f)).LengthSquared();
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}
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if (texture->isHardwareCanvas())
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{
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tcs[UPLFT].v = 1.f - tcs[UPLFT].v;
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tcs[LOLFT].v = 1.f - tcs[LOLFT].v;
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tcs[UPRGT].v = 1.f - tcs[UPRGT].v;
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tcs[LORGT].v = 1.f - tcs[LORGT].v;
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}
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if (!screen->BuffersArePersistent())
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{
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/*
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if (di->Level->HasDynamicLights && !di->isFullbrightScene() && texture != nullptr)
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{
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SetupLights(di, lightdata);
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}
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*/
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MakeVertices(di, translucent);
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}
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di->AddWall(this);
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// make sure that following parts of the same linedef do not get this one's vertex and lighting info.
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vertcount = 0;
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dynlightindex = -1;
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flags &= ~(HWF_TRANSLUCENT|HWF_CLAMPX|HWF_CLAMPY);
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}
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//==========================================================================
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//
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// will be done later.
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//
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//==========================================================================
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void HWWall::PutPortal(HWDrawInfo *di, int ptype, int plane)
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{
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HWPortal * portal = nullptr;
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MakeVertices(di, false);
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switch (ptype)
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{
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#if 0
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// portals don't go into the draw list.
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// Instead they are added to the portal manager
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case PORTALTYPE_HORIZON:
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horizon = portalState.UniqueHorizons.Get(horizon);
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portal = di->FindPortal(horizon);
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if (!portal)
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{
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portal = new HWHorizonPortal(&portalState, horizon, di->Viewpoint);
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di->Portals.Push(portal);
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}
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portal->AddLine(this);
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break;
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case PORTALTYPE_SKYBOX:
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portal = di->FindPortal(secportal);
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if (!portal)
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{
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// either a regular skybox or an Eternity-style horizon
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if (secportal->mType != PORTS_SKYVIEWPOINT) portal = new HWEEHorizonPortal(&portalState, secportal);
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else
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{
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portal = new HWSkyboxPortal(&portalState, secportal);
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di->Portals.Push(portal);
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}
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}
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portal->AddLine(this);
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break;
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#endif
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case PORTALTYPE_SECTORSTACK:
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portal = di->FindPortal(this->portal);
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if (!portal)
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{
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portal = new HWSectorStackPortal(&portalState, this->portal);
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di->Portals.Push(portal);
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}
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portal->AddLine(this);
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break;
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#if 0
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case PORTALTYPE_PLANEMIRROR:
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if (portalState.PlaneMirrorMode * planemirror->fC() <= 0)
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{
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planemirror = portalState.UniquePlaneMirrors.Get(planemirror);
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portal = di->FindPortal(planemirror);
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if (!portal)
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{
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portal = new HWPlaneMirrorPortal(&portalState, planemirror);
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di->Portals.Push(portal);
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}
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portal->AddLine(this);
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}
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break;
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#endif
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case PORTALTYPE_MIRROR:
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// These are unique. No need to look existing ones up.
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portal = new HWMirrorPortal(&portalState, seg);
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di->Portals.Push(portal);
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portal->AddLine(this);
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if (gl_mirror_envmap)
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{
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// draw a reflective layer over the mirror
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di->AddMirrorSurface(this);
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}
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break;
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case PORTALTYPE_LINETOLINE:
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// These are also unique.
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portal = new HWLineToLinePortal(&portalState, seg, &wall[seg->portalnum]);
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di->Portals.Push(portal);
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portal->AddLine(this);
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break;
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case PORTALTYPE_LINETOSPRITE:
|
|
// These are also unique.
|
|
assert(seg->portalnum >= 0 && seg->portalnum < 8);
|
|
portal = new HWLineToSpritePortal(&portalState, seg, wall_to_sprite_actors[seg->portalnum]);
|
|
di->Portals.Push(portal);
|
|
portal->AddLine(this);
|
|
break;
|
|
|
|
case PORTALTYPE_SKY:
|
|
sky = portalState.UniqueSkies.Get(sky);
|
|
portal = di->FindPortal(sky);
|
|
if (!portal)
|
|
{
|
|
portal = new HWSkyPortal(screen->mSkyData, &portalState, sky);
|
|
di->Portals.Push(portal);
|
|
}
|
|
portal->AddLine(this);
|
|
break;
|
|
}
|
|
vertcount = 0;
|
|
|
|
if (plane != -1 && portal)
|
|
{
|
|
portal->planesused |= (1<<plane);
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Build does not have horizon effects.
|
|
//
|
|
//==========================================================================
|
|
bool HWWall::DoHorizon(HWDrawInfo* di, walltype* seg, sectortype* fs, DVector2& v1, DVector2& v2)
|
|
{
|
|
#if 0
|
|
HWHorizonInfo hi;
|
|
lightlist_t * light;
|
|
|
|
// ZDoom doesn't support slopes in a horizon sector so I won't either!
|
|
ztop[1] = ztop[0] = fs->GetPlaneTexZ(sector_t::ceiling);
|
|
zbottom[1] = zbottom[0] = fs->GetPlaneTexZ(sector_t::floor);
|
|
|
|
auto vpz = di->Viewpoint.Pos.Z;
|
|
if (vpz < fs->GetPlaneTexZ(sector_t::ceiling))
|
|
{
|
|
if (vpz > fs->GetPlaneTexZ(sector_t::floor))
|
|
zbottom[1] = zbottom[0] = vpz;
|
|
|
|
if (fs->GetTexture(sector_t::ceiling) == skyflatnum)
|
|
{
|
|
SkyPlane(di, fs, sector_t::ceiling, false);
|
|
}
|
|
else
|
|
{
|
|
horizon = &hi;
|
|
PutPortal(di, PORTALTYPE_HORIZON, -1);
|
|
}
|
|
ztop[1] = ztop[0] = zbottom[0];
|
|
}
|
|
|
|
if (vpz > fs->GetPlaneTexZ(sector_t::floor))
|
|
{
|
|
zbottom[1] = zbottom[0] = fs->GetPlaneTexZ(sector_t::floor);
|
|
if (fs->GetTexture(sector_t::floor) == skyflatnum)
|
|
{
|
|
SkyPlane(di, fs, sector_t::floor, false);
|
|
}
|
|
else
|
|
{
|
|
horizon = &hi;
|
|
PutPortal(di, PORTALTYPE_HORIZON, -1);
|
|
}
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
bool HWWall::SetWallCoordinates(walltype * seg, float topleft, float topright, float bottomleft, float bottomright)
|
|
{
|
|
//
|
|
//
|
|
// set up coordinates for the left side of the polygon
|
|
//
|
|
// check left side for intersections
|
|
if (topleft >= bottomleft)
|
|
{
|
|
// normal case
|
|
ztop[0] = topleft;
|
|
zbottom[0] = bottomleft;
|
|
}
|
|
else
|
|
{
|
|
// ceiling below floor - clip to the visible part of the wall
|
|
float dch = topright - topleft;
|
|
float dfh = bottomright - bottomleft;
|
|
float inter_x = (bottomleft - topleft) / (dch - dfh);
|
|
float inter_y = topleft + inter_x * dch;
|
|
|
|
glseg.x1 = glseg.x1 + inter_x * (glseg.x2 - glseg.x1);
|
|
glseg.y1 = glseg.y1 + inter_x * (glseg.y2 - glseg.y1);
|
|
glseg.fracleft = inter_x;
|
|
|
|
zbottom[0] = ztop[0] = inter_y;
|
|
}
|
|
|
|
//
|
|
//
|
|
// set up coordinates for the right side of the polygon
|
|
//
|
|
// check left side for intersections
|
|
if (topright >= bottomright)
|
|
{
|
|
// normal case
|
|
ztop[1] = topright;
|
|
zbottom[1] = bottomright;
|
|
}
|
|
else
|
|
{
|
|
// ceiling below floor - clip to the visible part of the wall
|
|
float dch = topright - topleft;
|
|
float dfh = bottomright - bottomleft;
|
|
float inter_x = (bottomleft - topleft) / (dch - dfh);
|
|
|
|
float inter_y = topleft + inter_x * dch;
|
|
|
|
glseg.x2 = glseg.x1 + inter_x * (glseg.x2 - glseg.x1);
|
|
glseg.y2 = glseg.y1 + inter_x * (glseg.y2 - glseg.y1);
|
|
glseg.fracright = inter_x;
|
|
|
|
zbottom[1] = ztop[1] = inter_y;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Do some tweaks with the texture coordinates to reduce visual glitches
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::CheckTexturePosition()
|
|
{
|
|
float sub;
|
|
|
|
if (texture->isHardwareCanvas()) return;
|
|
|
|
// clamp texture coordinates to a reasonable range.
|
|
// Extremely large values can cause visual problems
|
|
if (tcs[UPLFT].v < tcs[LOLFT].v || tcs[UPRGT].v < tcs[LORGT].v)
|
|
{
|
|
if (tcs[UPLFT].v < tcs[UPRGT].v)
|
|
{
|
|
sub = float(xs_FloorToInt(tcs[UPLFT].v));
|
|
}
|
|
else
|
|
{
|
|
sub = float(xs_FloorToInt(tcs[UPRGT].v));
|
|
}
|
|
tcs[UPLFT].v -= sub;
|
|
tcs[UPRGT].v -= sub;
|
|
tcs[LOLFT].v -= sub;
|
|
tcs[LORGT].v -= sub;
|
|
}
|
|
else
|
|
{
|
|
if (tcs[LOLFT].v < tcs[LORGT].v)
|
|
{
|
|
sub = float(xs_FloorToInt(tcs[LOLFT].v));
|
|
}
|
|
else
|
|
{
|
|
sub = float(xs_FloorToInt(tcs[LORGT].v));
|
|
}
|
|
tcs[UPLFT].v -= sub;
|
|
tcs[UPRGT].v -= sub;
|
|
tcs[LOLFT].v -= sub;
|
|
tcs[LORGT].v -= sub;
|
|
}
|
|
if (tcs[UPLFT].u >= 0.f && tcs[UPRGT].u >= 0.f && tcs[LOLFT].u >= 0.f && tcs[LORGT].u >= 0.f &&
|
|
tcs[UPLFT].u <= 1.f && tcs[UPRGT].u <= 1.f && tcs[LOLFT].u <= 1.f && tcs[LORGT].u <= 1.f)
|
|
{
|
|
flags |= HWF_CLAMPX;
|
|
}
|
|
|
|
if (tcs[UPLFT].v >= 0.f && tcs[UPRGT].v >= 0.f && tcs[LOLFT].v >= 0.f && tcs[LORGT].v >= 0.f &&
|
|
tcs[UPLFT].v <= 1.f && tcs[UPRGT].v <= 1.f && tcs[LOLFT].v <= 1.f && tcs[LORGT].v <= 1.f)
|
|
{
|
|
flags |= HWF_CLAMPY;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Common part of wall drawers
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::DoTexture(HWDrawInfo* di, walltype* wal, walltype* refwall, float refheight, float topleft, float topright, float bottomleft, float bottomright)
|
|
{
|
|
auto glsave = glseg;
|
|
SetWallCoordinates(wal, topleft, topright, bottomleft, bottomright);
|
|
|
|
bool xflipped = (wal->cstat & CSTAT_WALL_XFLIP);
|
|
float leftdist = xflipped ? 1.f - glseg.fracleft : glseg.fracleft;
|
|
float rightdist = xflipped ? 1.f - glseg.fracright : glseg.fracright;
|
|
|
|
float tw = texture->GetDisplayWidth();
|
|
float th = texture->GetDisplayHeight();
|
|
int pow2size = 1 << sizeToBits(th);
|
|
if (pow2size < th) pow2size *= 2;
|
|
float ypanning = refwall->ypan_ ? pow2size * refwall->ypan_ / (256.0f * th) : 0;
|
|
|
|
tcs[LOLFT].u = tcs[UPLFT].u = ((leftdist * 8.f * wal->xrepeat) + refwall->xpan_) / tw;
|
|
tcs[LORGT].u = tcs[UPRGT].u = ((rightdist * 8.f * wal->xrepeat) + refwall->xpan_) / tw;
|
|
|
|
auto setv = [=](float hl, float hr, float frac) -> float
|
|
{
|
|
float h = hl + (hr - hl) * frac;
|
|
h = (-(float)(refheight + (h * 256)) / ((th * 2048.0f) / (float)(wal->yrepeat))) + ypanning;
|
|
if (refwall->cstat & CSTAT_WALL_YFLIP) h = -h;
|
|
return h;
|
|
};
|
|
|
|
tcs[UPLFT].v = setv(topleft, topright, glseg.fracleft);
|
|
tcs[LOLFT].v = setv(bottomleft, bottomright, glseg.fracleft);
|
|
tcs[UPRGT].v = setv(topleft, topright, glseg.fracright);
|
|
tcs[LORGT].v = setv(bottomleft, bottomright, glseg.fracright);
|
|
if (th == pow2size) CheckTexturePosition(); // for NPOT textures this adjustment can break things.
|
|
bool trans = type == RENDERWALL_M2S && maskWallHasTranslucency(wal);
|
|
if (trans)
|
|
{
|
|
RenderStyle = GetRenderStyle(0, !!(wal->cstat & CSTAT_WALL_TRANS_FLIP));
|
|
alpha = GetAlphaFromBlend((wal->cstat & CSTAT_WALL_TRANS_FLIP) ? DAMETH_TRANS2 : DAMETH_TRANS1, 0);
|
|
}
|
|
PutWall(di, trans);
|
|
flags = 0;
|
|
glseg = glsave;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Handle one sided walls
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::DoOneSidedTexture(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sectortype* backsector,
|
|
float topleft, float topright, float bottomleft, float bottomright)
|
|
{
|
|
// get the alignment reference position.
|
|
int refheight;
|
|
|
|
if ((wal->cstat & CSTAT_WALL_1WAY) && backsector)
|
|
{
|
|
if ((!(wal->cstat & CSTAT_WALL_BOTTOM_SWAP) && (wal->cstat & CSTAT_WALL_1WAY)) ||
|
|
((wal->cstat & CSTAT_WALL_BOTTOM_SWAP) && (wal->nextWall()->cstat & CSTAT_WALL_ALIGN_BOTTOM)))
|
|
refheight = frontsector->ceilingz;
|
|
else
|
|
refheight = backsector->floorz;
|
|
}
|
|
else
|
|
{
|
|
refheight = (wal->cstat & CSTAT_WALL_ALIGN_BOTTOM) ? frontsector->floorz : frontsector->ceilingz;
|
|
}
|
|
|
|
type = RENDERWALL_M1S;
|
|
DoTexture(di, wal, wal, refheight, topleft, topright, bottomleft, bottomright);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::DoUpperTexture(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sectortype* backsector,
|
|
float topleft, float topright, float bottomleft, float bottomright)
|
|
{
|
|
// get the alignment reference position.
|
|
int refheight = (wal->cstat & CSTAT_WALL_ALIGN_BOTTOM) ? frontsector->ceilingz : backsector->ceilingz;
|
|
|
|
type = RENDERWALL_TOP;
|
|
DoTexture(di, wal, wal, refheight, topleft, topright, bottomleft, bottomright);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::DoLowerTexture(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sectortype* backsector,
|
|
float topleft, float topright, float bottomleft, float bottomright)
|
|
{
|
|
// get the alignment reference position.
|
|
int refheight;
|
|
auto refwall = (wal->cstat & CSTAT_WALL_BOTTOM_SWAP) ? wal->nextWall() : wal;
|
|
refheight = (refwall->cstat & CSTAT_WALL_ALIGN_BOTTOM) ? frontsector->ceilingz : backsector->floorz;
|
|
|
|
shade = refwall->shade;
|
|
palette = refwall->pal;
|
|
type = RENDERWALL_BOTTOM;
|
|
DoTexture(di, wal, refwall, refheight, topleft, topright, bottomleft, bottomright);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void HWWall::DoMidTexture(HWDrawInfo* di, walltype* wal,
|
|
sectortype* front, sectortype* back,
|
|
float fch1, float fch2, float ffh1, float ffh2,
|
|
float bch1, float bch2, float bfh1, float bfh2)
|
|
{
|
|
float topleft,bottomleft,topright,bottomright;
|
|
int refheight;
|
|
|
|
const int swapit = (wal->cstat & CSTAT_WALL_ALIGN_BOTTOM);
|
|
|
|
if (wal->cstat & CSTAT_WALL_1WAY)
|
|
{
|
|
// 1-sided wall
|
|
refheight = swapit ? front->ceilingz : back->ceilingz;
|
|
}
|
|
else
|
|
{
|
|
// masked wall
|
|
if (swapit)
|
|
refheight = min(front->floorz, back->floorz);
|
|
else
|
|
refheight = max(front->ceilingz, back->ceilingz);
|
|
}
|
|
|
|
topleft = min(bch1,fch1);
|
|
topright = min(bch2,fch2);
|
|
bottomleft = max(bfh1,ffh1);
|
|
bottomright = max(bfh2,ffh2);
|
|
if (topleft<=bottomleft && topright<=bottomright) return;
|
|
type = seg->cstat & CSTAT_WALL_1WAY ? RENDERWALL_M1S : RENDERWALL_M2S;
|
|
|
|
// todo: transparency.
|
|
|
|
DoTexture(di, wal, wal, refheight, topleft, topright, bottomleft, bottomright);
|
|
RenderStyle = STYLE_Translucent;
|
|
alpha = 1.f;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
void HWWall::Process(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sectortype* backsector)
|
|
{
|
|
auto backwall = wal->twoSided()? wal->nextWall() : nullptr;
|
|
auto p2wall = wal->point2Wall();
|
|
|
|
float fch1;
|
|
float ffh1;
|
|
float fch2;
|
|
float ffh2;
|
|
|
|
FVector2 v1(WallStartX(wal), WallStartY(wal));
|
|
FVector2 v2(WallEndX(wal), WallEndY(wal));
|
|
|
|
PlanesAtPoint(frontsector, wal->pos.X, wal->pos.Y, &fch1, &ffh1);
|
|
PlanesAtPoint(frontsector, p2wall->pos.X, p2wall->pos.Y, &fch2, &ffh2);
|
|
|
|
|
|
#ifdef _DEBUG
|
|
if (wallnum(wal) == 929 || wallnum(wal) == 930)
|
|
{
|
|
int a = 0;
|
|
}
|
|
#endif
|
|
|
|
this->seg = wal;
|
|
this->frontsector = frontsector;
|
|
this->backsector = backsector;
|
|
Sprite = nullptr;
|
|
vertindex = 0;
|
|
vertcount = 0;
|
|
|
|
glseg.x1 = v1.X;
|
|
glseg.y1 = v1.Y;
|
|
glseg.x2 = v2.X;
|
|
glseg.y2 = v2.Y;
|
|
glseg.fracleft = 0;
|
|
glseg.fracright = 1;
|
|
flags = 0;
|
|
dynlightindex = -1;
|
|
shade = wal->shade;
|
|
palette = wal->pal;
|
|
fade = lookups.getFade(wal->pal);
|
|
visibility = sectorVisibility(frontsector);
|
|
|
|
alpha = 1.0f;
|
|
RenderStyle = STYLE_Translucent;
|
|
texture = NULL;
|
|
|
|
if (gl_seamless)
|
|
{
|
|
auto v = &vertices[vertexMap[wallnum(wal)]];
|
|
if (v->dirty) v->RecalcVertexHeights();
|
|
v = &vertices[vertexMap[wal->point2]];
|
|
if (v->dirty) v->RecalcVertexHeights();
|
|
}
|
|
|
|
/*
|
|
if (wal->linedef->special == Line_Horizon)
|
|
{
|
|
SkyNormal(di, frontsector, v1, v2);
|
|
DoHorizon(di, wal, frontsector, v1, v2);
|
|
return;
|
|
}
|
|
*/
|
|
|
|
bool isportal = false;// wal->linedef->isVisualPortal() && wal->sidedef == wal->linedef->sidedef[0];
|
|
|
|
if (seg->portalflags)
|
|
{
|
|
int ptype = -1;
|
|
if (seg->portalflags == PORTAL_WALL_MIRROR) ptype = PORTALTYPE_MIRROR;
|
|
else if (seg->portalflags == PORTAL_WALL_VIEW) ptype = PORTALTYPE_LINETOLINE;
|
|
else if (seg->portalflags == PORTAL_WALL_TO_SPRITE) ptype = PORTALTYPE_LINETOSPRITE;
|
|
if (ptype != -1)
|
|
{
|
|
ztop[0] = fch1;
|
|
ztop[1] = fch2;
|
|
zbottom[0] = ffh1;
|
|
zbottom[1] = ffh2;
|
|
PutPortal(di, ptype, -1);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
if (!backsector || !backwall)
|
|
{
|
|
// sector's sky
|
|
SkyNormal(di, frontsector, v1, v2, fch1, fch2, ffh1, ffh2);
|
|
|
|
// normal texture
|
|
|
|
int tilenum = ((wal->cstat & CSTAT_WALL_1WAY) && wal->nextwall != -1) ? wal->overpicnum : wal->picnum;
|
|
gotpic.Set(tilenum);
|
|
tileUpdatePicnum(&tilenum, wallnum(wal) + 16384, wal->cstat);
|
|
texture = tileGetTexture(tilenum);
|
|
if (texture && texture->isValid())
|
|
{
|
|
DoOneSidedTexture(di, wal, frontsector, backsector, fch1, fch2, ffh1, ffh2);
|
|
}
|
|
}
|
|
else // two sided
|
|
{
|
|
float bfh1;
|
|
float bfh2;
|
|
float bch1;
|
|
float bch2;
|
|
PlanesAtPoint(backsector, wal->pos.X, wal->pos.Y, &bch1, &bfh1);
|
|
PlanesAtPoint(backsector, p2wall->pos.X, p2wall->pos.Y, &bch2, &bfh2);
|
|
|
|
SkyTop(di, wal, frontsector, backsector, v1, v2, fch1, fch2);
|
|
SkyBottom(di, wal, frontsector, backsector, v1, v2, ffh1, ffh2);
|
|
|
|
// upper texture
|
|
if (!(frontsector->ceilingstat & backsector->ceilingstat & CSTAT_SECTOR_SKY))
|
|
{
|
|
float bch1a = bch1;
|
|
float bch2a = bch2;
|
|
if (ffh1 > bch1 || ffh2 > bch2)
|
|
{
|
|
// the back sector's floor obstructs part of this wall. Todo: Handle the portal case better.
|
|
if ((ffh1 > bch1 && ffh2 > bch2) || frontsector->portalflags == PORTAL_SECTOR_FLOOR)
|
|
{
|
|
bch2a = ffh2;
|
|
bch1a = ffh1;
|
|
}
|
|
}
|
|
|
|
if (bch1a < fch1 || bch2a < fch2)
|
|
{
|
|
int tilenum = wal->picnum;
|
|
gotpic.Set(tilenum);
|
|
tileUpdatePicnum(&tilenum, wallnum(wal) + 16384, wal->cstat);
|
|
texture = tileGetTexture(tilenum);
|
|
if (texture && texture->isValid())
|
|
{
|
|
DoUpperTexture(di, wal, frontsector, backsector, fch1, fch2, bch1a, bch2a);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (wal->cstat & (CSTAT_WALL_MASKED | CSTAT_WALL_1WAY))
|
|
{
|
|
int tilenum = wal->overpicnum;
|
|
gotpic.Set(tilenum);
|
|
tileUpdatePicnum(&tilenum, wallnum(wal) + 16384, wal->cstat);
|
|
texture = tileGetTexture(tilenum);
|
|
if (texture && texture->isValid())
|
|
{
|
|
DoMidTexture(di, wal, frontsector, backsector, fch1, fch2, ffh1, ffh2, bch1, bch2, bfh1, bfh2);
|
|
}
|
|
}
|
|
|
|
// lower texture
|
|
if (!(frontsector->floorstat & backsector->floorstat & CSTAT_SECTOR_SKY))
|
|
{
|
|
if (fch1 < bfh1 || fch2 < bfh2)
|
|
{
|
|
// the back sector's ceiling obstructs part of this wall. Todo: Handle the portal case better.
|
|
if ((fch1 < bfh1 && fch2 < bfh2) || frontsector->portalflags == PORTAL_SECTOR_CEILING)
|
|
{
|
|
bfh1 = fch1;
|
|
bfh2 = fch2;
|
|
}
|
|
}
|
|
|
|
if (bfh1 > ffh1 || bfh2 > ffh2)
|
|
{
|
|
auto w = (wal->cstat & CSTAT_WALL_BOTTOM_SWAP) ? backwall : wal;
|
|
int tilenum = w->picnum;
|
|
gotpic.Set(tilenum);
|
|
tileUpdatePicnum(&tilenum, wallnum(wal) + 16384, w->cstat);
|
|
texture = tileGetTexture(tilenum);
|
|
if (texture && texture->isValid())
|
|
{
|
|
DoLowerTexture(di, wal, frontsector, backsector, bfh1, bfh2, ffh1, ffh2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void HWWall::ProcessWallSprite(HWDrawInfo* di, tspritetype* spr, sectortype* sector)
|
|
{
|
|
auto tex = tileGetTexture(spr->picnum);
|
|
if (!tex || !tex->isValid()) return;
|
|
|
|
seg = nullptr;
|
|
Sprite = spr;
|
|
vec2_t pos[2];
|
|
int sprz = spr->pos.Z;
|
|
|
|
GetWallSpritePosition(spr, spr->pos.vec2, pos, true);
|
|
glseg.x1 = pos[0].X * (1 / 16.f);
|
|
glseg.y1 = pos[0].Y * (1 / -16.f);
|
|
glseg.x2 = pos[1].X * (1 / 16.f);
|
|
glseg.y2 = pos[1].Y * (1 / -16.f);
|
|
|
|
if (spr->cstat & CSTAT_SPRITE_ONE_SIDE)
|
|
{
|
|
if (PointOnLineSide(di->Viewpoint.Pos.X, di->Viewpoint.Pos.Y, glseg.x1, glseg.y1, glseg.x2 - glseg.x1, glseg.y2 - glseg.y1) <= 0)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
vertindex = 0;
|
|
vertcount = 0;
|
|
type = RENDERWALL_M2S;
|
|
frontsector = sector;
|
|
backsector = sector;
|
|
texture = tex;
|
|
|
|
flags = HWF_CLAMPX|HWF_CLAMPY;
|
|
dynlightindex = -1;
|
|
shade = spr->shade;
|
|
palette = spr->pal;
|
|
fade = lookups.getFade(sector->floorpal); // fog is per sector.
|
|
visibility = sectorVisibility(sector);
|
|
|
|
SetSpriteTranslucency(Sprite, alpha, RenderStyle);
|
|
|
|
int height, topofs;
|
|
if (hw_hightile && TileFiles.tiledata[spr->picnum].hiofs.xsize)
|
|
{
|
|
height = TileFiles.tiledata[spr->picnum].hiofs.ysize;
|
|
topofs = (TileFiles.tiledata[spr->picnum].hiofs.yoffs + spr->yoffset);
|
|
}
|
|
else
|
|
{
|
|
height = (int)tex->GetDisplayHeight();
|
|
topofs = ((int)tex->GetDisplayTopOffset() + spr->yoffset);
|
|
}
|
|
|
|
DVector2 vec{};
|
|
walldist = IsOnWall(spr, height, vec);
|
|
if (walldist)
|
|
{
|
|
// project the sprite right onto the wall.
|
|
auto v1 = NearestPointLine(pos[0].X, pos[0].Y, walldist);
|
|
auto v2 = NearestPointLine(pos[1].X, pos[1].Y, walldist);
|
|
glseg.x1 = v1.X * (1 / 16.f);
|
|
glseg.y1 = v1.Y * (1 / -16.f);
|
|
glseg.x2 = v2.X * (1 / 16.f);
|
|
glseg.y2 = v2.Y * (1 / -16.f);
|
|
|
|
}
|
|
|
|
if (spr->cstat & CSTAT_SPRITE_YFLIP)
|
|
topofs = -topofs;
|
|
|
|
sprz -= ((topofs * spr->yrepeat) << 2);
|
|
|
|
if (spr->cstat & CSTAT_SPRITE_YCENTER)
|
|
{
|
|
sprz += ((height * spr->yrepeat) << 1);
|
|
if (height & 1) sprz += (spr->yrepeat << 1); // Odd yspans (taken from polymost as-is)
|
|
}
|
|
|
|
glseg.fracleft = 0;
|
|
glseg.fracright = 1;
|
|
tcs[LOLFT].u = tcs[UPLFT].u = (spr->cstat & CSTAT_SPRITE_XFLIP) ? 1.f : 0.f;
|
|
tcs[LORGT].u = tcs[UPRGT].u = (spr->cstat & CSTAT_SPRITE_XFLIP) ? 0.f : 1.f;
|
|
tcs[UPLFT].v = tcs[UPRGT].v = (spr->cstat & CSTAT_SPRITE_YFLIP) ? 1.f : 0.f;
|
|
tcs[LOLFT].v = tcs[LORGT].v = (spr->cstat & CSTAT_SPRITE_YFLIP) ? 0.f : 1.f;
|
|
|
|
zbottom[0] = zbottom[1] = (sprz) * (1 / -256.);
|
|
ztop[0] = ztop[1] = (sprz - ((height * spr->yrepeat) << 2)) * (1 / -256.);
|
|
if (zbottom[0] > ztop[0])
|
|
{
|
|
// reorder coordinates to make the clipping code below behave.
|
|
auto zz = zbottom[0];
|
|
zbottom[0] = zbottom[1] = ztop[0];
|
|
ztop[0] = ztop[1] = zz;
|
|
tcs[UPLFT].v = tcs[UPRGT].v = 1.f - tcs[UPLFT].v;
|
|
tcs[LOLFT].v = tcs[LORGT].v = 1.f - tcs[LOLFT].v;
|
|
}
|
|
|
|
// Clip sprites to ceilings/floors
|
|
if (!(sector->ceilingstat & CSTAT_SECTOR_SKY))
|
|
{
|
|
float polyh = (ztop[0] - zbottom[0]);
|
|
float ceilingz = sector->ceilingz * (1 / -256.f);
|
|
if (ceilingz < ztop[0] && ceilingz > zbottom[0])
|
|
{
|
|
float newv = (ceilingz - zbottom[0]) / polyh;
|
|
tcs[UPLFT].v = tcs[UPRGT].v = tcs[LOLFT].v + newv * (tcs[UPLFT].v - tcs[LOLFT].v);
|
|
ztop[0] = ztop[1] = ceilingz;
|
|
}
|
|
}
|
|
if (!(sector->floorstat & CSTAT_SECTOR_SKY))
|
|
{
|
|
float polyh = (ztop[0] - zbottom[0]);
|
|
float floorz = sector->floorz * (1 / -256.f);
|
|
if (floorz < ztop[0] && floorz > zbottom[0])
|
|
{
|
|
float newv = (floorz - zbottom[0]) / polyh;
|
|
tcs[LOLFT].v = tcs[LORGT].v = tcs[LOLFT].v + newv * (tcs[UPLFT].v - tcs[LOLFT].v);
|
|
zbottom[0] = zbottom[1] = floorz;
|
|
}
|
|
}
|
|
|
|
// If the sprite is backward, flip it around so that we have guaranteed orientation when this is about to be sorted.
|
|
if (PointOnLineSide(di->Viewpoint.Pos.XY(), DVector2(glseg.x1, glseg.y1), DVector2(glseg.x2, glseg.y2)) < 0)
|
|
{
|
|
std::swap(glseg.x1, glseg.x2);
|
|
std::swap(glseg.y1, glseg.y2);
|
|
// z is always the same on both sides.
|
|
std::swap(tcs[LOLFT], tcs[LORGT]);
|
|
std::swap(tcs[UPLFT], tcs[UPRGT]);
|
|
}
|
|
|
|
PutWall(di, spriteHasTranslucency(Sprite));
|
|
} |