void FGLInterface::Precache(BYTE *texhitlist, TMap<PClassActor*, bool> &actorhitlist)
{
SpriteHits *spritelist = new SpriteHits[sprites.Size()];
SpriteHits **spritehitlist = new SpriteHits*[TexMan.NumTextures()];
TMap<PClassActor*, bool>::Iterator it(actorhitlist);
TMap<PClassActor*, bool>::Pair *pair;
BYTE *modellist = new BYTE[Models.Size()];
memset(modellist, 0, Models.Size());
memset(spritehitlist, 0, sizeof(SpriteHits**) * TexMan.NumTextures());
// this isn't done by the main code so it needs to be done here first:
// check skybox textures and mark the separate faces as used
for (int i = 0; i<TexMan.NumTextures(); i++)
{
// HIT_Wall must be checked for MBF-style sky transfers.
if (texhitlist[i] & (FTextureManager::HIT_Sky | FTextureManager::HIT_Wall))
{
FTexture *tex = TexMan.ByIndex(i);
if (tex->gl_info.bSkybox)
{
FSkyBox *sb = static_cast<FSkyBox*>(tex);
for (int i = 0; i<6; i++)
{
if (sb->faces[i])
{
int index = sb->faces[i]->id.GetIndex();
texhitlist[index] |= FTextureManager::HIT_Flat;
}
}
}
}
}
// Check all used actors.
// 1. mark all sprites associated with its states
// 2. mark all model data and skins associated with its states
while (it.NextPair(pair))
{
PClassActor *cls = pair->Key;
int gltrans = GLTranslationPalette::GetInternalTranslation(GetDefaultByType(cls)->Translation);
for (int i = 0; i < cls->NumOwnedStates; i++)
{
spritelist[cls->OwnedStates[i].sprite].Insert(gltrans, true);
FSpriteModelFrame * smf = gl_FindModelFrame(cls, cls->OwnedStates[i].sprite, cls->OwnedStates[i].Frame, false);
if (smf != NULL)
{
for (int i = 0; i < MAX_MODELS_PER_FRAME; i++)
{
if (smf->skinIDs[i].isValid())
{
texhitlist[smf->skinIDs[i].GetIndex()] |= FTexture::TEX_Flat;
}
else if (smf->modelIDs[i] != -1)
{
Models[smf->modelIDs[i]]->PushSpriteMDLFrame(smf, i);
Models[smf->modelIDs[i]]->AddSkins(texhitlist);
}
if (smf->modelIDs[i] != -1)
{
modellist[smf->modelIDs[i]] = 1;
}
}
}
}
}
// mark all sprite textures belonging to the marked sprites.
for (int i = (int)(sprites.Size() - 1); i >= 0; i--)
{
if (spritelist[i].CountUsed())
{
int j, k;
for (j = 0; j < sprites[i].numframes; j++)
{
const spriteframe_t *frame = &SpriteFrames[sprites[i].spriteframes + j];
for (k = 0; k < 16; k++)
{
FTextureID pic = frame->Texture[k];
if (pic.isValid())
{
spritehitlist[pic.GetIndex()] = &spritelist[i];
}
}
}
}
}
// delete everything unused before creating any new resources to avoid memory usage peaks.
// delete unused models
for (unsigned i = 0; i < Models.Size(); i++)
{
if (!modellist[i]) Models[i]->DestroyVertexBuffer();
}
// delete unused textures
int cnt = TexMan.NumTextures();
for (int i = cnt - 1; i >= 0; i--)
{
FTexture *tex = TexMan.ByIndex(i);
if (tex != nullptr)
{
if (!texhitlist[i])
{
if (tex->gl_info.Material[0]) tex->gl_info.Material[0]->Clean(true);
}
if (spritehitlist[i] == nullptr || (*spritehitlist[i]).CountUsed() == 0)
{
if (tex->gl_info.Material[1]) tex->gl_info.Material[1]->Clean(true);
}
}
}
if (gl_precache)
{
// cache all used textures
for (int i = cnt - 1; i >= 0; i--)
{
FTexture *tex = TexMan.ByIndex(i);
if (tex != nullptr)
{
PrecacheTexture(tex, texhitlist[i]);
if (spritehitlist[i] != nullptr && (*spritehitlist[i]).CountUsed() > 0)
{
PrecacheSprite(tex, *spritehitlist[i]);
}
}
}
// cache all used models
for (unsigned i = 0; i < Models.Size(); i++)
{
if (modellist[i])
Models[i]->BuildVertexBuffer();
}
}
delete[] spritehitlist;
delete[] spritelist;
delete[] modellist;
}
void CStar::Precache()
{
PrecacheTexture("textures/star-yellow.png");
}
