289 lines
7.9 KiB
C++
289 lines
7.9 KiB
C++
//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2004-2016 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 3 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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/*
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** Texture precaching
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**
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*/
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#include "c_cvars.h"
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#include "filesystem.h"
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#include "r_data/r_translate.h"
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#include "c_dispatch.h"
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#include "r_state.h"
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#include "actor.h"
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#include "r_data/models/models.h"
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#include "skyboxtexture.h"
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#include "hwrenderer/textures/hw_material.h"
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#include "image.h"
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#include "v_video.h"
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#include "v_font.h"
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#include "texturemanager.h"
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EXTERN_CVAR(Bool, gl_precache)
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//==========================================================================
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//
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// DFrameBuffer :: PrecacheTexture
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//
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//==========================================================================
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static void PrecacheTexture(FTexture *tex, int cache)
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{
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if (cache & (FTextureManager::HIT_Wall | FTextureManager::HIT_Flat | FTextureManager::HIT_Sky))
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{
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FMaterial * gltex = FMaterial::ValidateTexture(tex, false);
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if (gltex) gltex->Precache();
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}
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}
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//==========================================================================
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//
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// DFrameBuffer :: PrecacheSprite
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//
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//==========================================================================
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static void PrecacheSprite(FTexture *tex, SpriteHits &hits)
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{
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FMaterial * gltex = FMaterial::ValidateTexture(tex, true);
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if (gltex) gltex->PrecacheList(hits);
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}
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//==========================================================================
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//
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// DFrameBuffer :: Precache
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//
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//==========================================================================
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void hw_PrecacheTexture(uint8_t *texhitlist, TMap<PClassActor*, bool> &actorhitlist)
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{
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SpriteHits *spritelist = new SpriteHits[sprites.Size()];
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SpriteHits **spritehitlist = new SpriteHits*[TexMan.NumTextures()];
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TMap<PClassActor*, bool>::Iterator it(actorhitlist);
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TMap<PClassActor*, bool>::Pair *pair;
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uint8_t *modellist = new uint8_t[Models.Size()];
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memset(modellist, 0, Models.Size());
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memset(spritehitlist, 0, sizeof(SpriteHits**) * TexMan.NumTextures());
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// this isn't done by the main code so it needs to be done here first:
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// check skybox textures and mark the separate faces as used
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for (int i = 0; i<TexMan.NumTextures(); i++)
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{
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// HIT_Wall must be checked for MBF-style sky transfers.
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if (texhitlist[i] & (FTextureManager::HIT_Sky | FTextureManager::HIT_Wall))
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{
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FTexture *tex = TexMan.ByIndex(i);
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if (tex->isSkybox())
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{
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FSkyBox *sb = static_cast<FSkyBox*>(tex);
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for (int i = 0; i<6; i++)
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{
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if (sb->faces[i])
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{
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int index = sb->faces[i]->GetID().GetIndex();
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texhitlist[index] |= FTextureManager::HIT_Flat;
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}
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}
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}
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}
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}
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// Check all used actors.
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// 1. mark all sprites associated with its states
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// 2. mark all model data and skins associated with its states
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while (it.NextPair(pair))
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{
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PClassActor *cls = pair->Key;
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auto remap = GPalette.TranslationToTable(GetDefaultByType(cls)->Translation);
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int gltrans = remap == nullptr ? 0 : remap->Index;
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for (unsigned i = 0; i < cls->GetStateCount(); i++)
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{
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auto &state = cls->GetStates()[i];
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spritelist[state.sprite].Insert(gltrans, true);
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FSpriteModelFrame * smf = FindModelFrame(cls, state.sprite, state.Frame, false);
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if (smf != NULL)
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{
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for (int i = 0; i < MAX_MODELS_PER_FRAME; i++)
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{
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if (smf->skinIDs[i].isValid())
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{
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texhitlist[smf->skinIDs[i].GetIndex()] |= FTextureManager::HIT_Flat;
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}
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else if (smf->modelIDs[i] != -1)
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{
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Models[smf->modelIDs[i]]->PushSpriteMDLFrame(smf, i);
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Models[smf->modelIDs[i]]->AddSkins(texhitlist);
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}
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if (smf->modelIDs[i] != -1)
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{
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modellist[smf->modelIDs[i]] = 1;
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}
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}
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}
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}
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}
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// mark all sprite textures belonging to the marked sprites.
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for (int i = (int)(sprites.Size() - 1); i >= 0; i--)
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{
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if (spritelist[i].CountUsed())
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{
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int j, k;
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for (j = 0; j < sprites[i].numframes; j++)
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{
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const spriteframe_t *frame = &SpriteFrames[sprites[i].spriteframes + j];
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for (k = 0; k < 16; k++)
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{
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FTextureID pic = frame->Texture[k];
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if (pic.isValid())
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{
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spritehitlist[pic.GetIndex()] = &spritelist[i];
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}
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}
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}
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}
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}
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// delete everything unused before creating any new resources to avoid memory usage peaks.
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// delete unused models
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for (unsigned i = 0; i < Models.Size(); i++)
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{
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if (!modellist[i]) Models[i]->DestroyVertexBuffer();
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}
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TMap<FTexture *, bool> usedTextures, usedSprites;
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screen->StartPrecaching();
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int cnt = TexMan.NumTextures();
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// prepare the textures for precaching. First collect all used layer textures so that we know which ones should not be deleted.
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for (int i = cnt - 1; i >= 0; i--)
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{
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FTexture *tex = TexMan.ByIndex(i);
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if (tex != nullptr)
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{
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FMaterial *mat = FMaterial::ValidateTexture(tex, false, false);
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if (mat != nullptr)
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{
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for (auto ftex : mat->GetLayerArray())
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{
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usedTextures.Insert(ftex, true);
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}
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}
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if (spritehitlist[i] != nullptr && (*spritehitlist[i]).CountUsed() > 0)
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{
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FMaterial *mat = FMaterial::ValidateTexture(tex, true, false);
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if (mat != nullptr)
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{
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for (auto ftex : mat->GetLayerArray())
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{
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usedSprites.Insert(ftex, 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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// delete unused textures (i.e. those which didn't get referenced by any material in the cache list.
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for (int i = cnt - 1; i >= 0; i--)
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{
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FTexture *tex = TexMan.ByIndex(i);
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if (tex != nullptr && tex->GetUseType() != ETextureType::FontChar)
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{
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if (usedTextures.CheckKey(tex) == nullptr)
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{
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tex->SystemTextures.Clean(true, false);
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}
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if (usedSprites.CheckKey(tex) == nullptr)
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{
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tex->SystemTextures.Clean(false, true);
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}
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}
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}
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if (gl_precache)
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{
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cycle_t precache;
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precache.Reset();
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precache.Clock();
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FImageSource::BeginPrecaching();
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// cache all used textures
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for (int i = cnt - 1; i >= 0; i--)
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{
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FTexture *tex = TexMan.ByIndex(i);
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if (tex != nullptr && tex->GetImage() != nullptr)
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{
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if (texhitlist[i] & (FTextureManager::HIT_Wall | FTextureManager::HIT_Flat | FTextureManager::HIT_Sky))
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{
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if (tex->GetImage() && tex->SystemTextures.GetHardwareTexture(0, false) == nullptr)
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{
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FImageSource::RegisterForPrecache(tex->GetImage(), V_IsTrueColor());
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}
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}
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// Only register untranslated sprites. Translated ones are very unlikely to require data that can be reused.
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if (spritehitlist[i] != nullptr && (*spritehitlist[i]).CheckKey(0))
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{
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FImageSource::RegisterForPrecache(tex->GetImage(), V_IsTrueColor());
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}
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}
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}
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// cache all used textures
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for (int i = cnt - 1; i >= 0; i--)
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{
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FTexture *tex = TexMan.ByIndex(i);
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if (tex != nullptr)
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{
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PrecacheTexture(tex, texhitlist[i]);
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if (spritehitlist[i] != nullptr && (*spritehitlist[i]).CountUsed() > 0)
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{
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PrecacheSprite(tex, *spritehitlist[i]);
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}
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}
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}
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FImageSource::EndPrecaching();
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// cache all used models
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FModelRenderer *renderer = screen->CreateModelRenderer(-1);
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for (unsigned i = 0; i < Models.Size(); i++)
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{
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if (modellist[i])
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Models[i]->BuildVertexBuffer(renderer);
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}
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delete renderer;
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precache.Unclock();
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DPrintf(DMSG_NOTIFY, "Textures precached in %.3f ms\n", precache.TimeMS());
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}
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delete[] spritehitlist;
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delete[] spritelist;
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delete[] modellist;
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}
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