bool gl_IsHUDModelForPlayerAvailable (player_t * player)
{
if ( (player == NULL) || (player->ReadyWeapon == NULL) || (player->psprites[0].state == NULL) )
return false;
FState* state = player->psprites[0].state;
FSpriteModelFrame *smf = gl_FindModelFrame(player->ReadyWeapon->GetClass(), state->sprite, state->GetFrame());
return ( smf != NULL );
}
bool gl_IsHUDModelForPlayerAvailable (player_t * player)
{
if (player == nullptr || player->ReadyWeapon == nullptr)
return false;
DPSprite *psp = player->FindPSprite(PSP_WEAPON);
if (psp == nullptr || psp->GetState() == nullptr)
return false;
FState* state = psp->GetState();
FSpriteModelFrame *smf = gl_FindModelFrame(player->ReadyWeapon->GetClass(), state->sprite, state->GetFrame(), false);
return ( smf != nullptr );
}
void gl_RenderHUDModel(DPSprite *psp, float ofsX, float ofsY)
{
AActor * playermo=players[consoleplayer].camera;
FSpriteModelFrame *smf = gl_FindModelFrame(playermo->player->ReadyWeapon->GetClass(), psp->GetState()->sprite, psp->GetState()->GetFrame(), false);
// [BB] No model found for this sprite, so we can't render anything.
if ( smf == nullptr )
return;
glDepthFunc(GL_LEQUAL);
// [BB] In case the model should be rendered translucent, do back face culling.
// This solves a few of the problems caused by the lack of depth sorting.
// TO-DO: Implement proper depth sorting.
if (!( playermo->RenderStyle == LegacyRenderStyles[STYLE_Normal] ))
{
glEnable(GL_CULL_FACE);
glFrontFace(GL_CCW);
}
// [BB] The model has to be drawn independently from the position of the player,
// so we have to reset the view matrix.
gl_RenderState.mViewMatrix.loadIdentity();
// Scaling model (y scale for a sprite means height, i.e. z in the world!).
gl_RenderState.mViewMatrix.scale(smf->xscale, smf->zscale, smf->yscale);
// Aplying model offsets (model offsets do not depend on model scalings).
gl_RenderState.mViewMatrix.translate(smf->xoffset / smf->xscale, smf->zoffset / smf->zscale, smf->yoffset / smf->yscale);
// [BB] Weapon bob, very similar to the normal Doom weapon bob.
gl_RenderState.mViewMatrix.rotate(ofsX/4, 0, 1, 0);
gl_RenderState.mViewMatrix.rotate((ofsY-WEAPONTOP)/-4., 1, 0, 0);
// [BB] For some reason the jDoom models need to be rotated.
gl_RenderState.mViewMatrix.rotate(90.f, 0, 1, 0);
// Applying angleoffset, pitchoffset, rolloffset.
gl_RenderState.mViewMatrix.rotate(-smf->angleoffset, 0, 1, 0);
gl_RenderState.mViewMatrix.rotate(smf->pitchoffset, 0, 0, 1);
gl_RenderState.mViewMatrix.rotate(-smf->rolloffset, 1, 0, 0);
gl_RenderState.ApplyMatrices();
gl_RenderFrameModels( smf, psp->GetState(), psp->GetTics(), playermo->player->ReadyWeapon->GetClass(), nullptr, 0 );
glDepthFunc(GL_LESS);
if (!( playermo->RenderStyle == LegacyRenderStyles[STYLE_Normal] ))
glDisable(GL_CULL_FACE);
}
void gl_RenderHUDModel(pspdef_t *psp, fixed_t ofsx, fixed_t ofsy, int cm)
{
AActor * playermo=players[consoleplayer].camera;
FSpriteModelFrame *smf = gl_FindModelFrame(playermo->player->ReadyWeapon->GetClass(), psp->state->sprite, psp->state->GetFrame());
// [BB] No model found for this sprite, so we can't render anything.
if ( smf == NULL )
return;
// [BB] The model has to be drawn independtly from the position of the player,
// so we have to reset the GL_MODELVIEW matrix.
gl.MatrixMode(GL_MODELVIEW);
gl.PushMatrix();
gl.LoadIdentity();
gl.DepthFunc(GL_LEQUAL);
// [BB] In case the model should be rendered translucent, do back face culling.
// This solves a few of the problems caused by the lack of depth sorting.
// TO-DO: Implement proper depth sorting.
if (!( playermo->RenderStyle == LegacyRenderStyles[STYLE_Normal] ))
{
gl.Enable(GL_CULL_FACE);
glFrontFace(GL_CCW);
}
// Scaling and model space offset.
gl.Scalef(
smf->xscale,
smf->zscale, // y scale for a sprite means height, i.e. z in the world!
smf->yscale);
// [BB] Apply zoffset here, needs to be scaled by 1 / smf->zscale, so that zoffset doesn't depend on the z-scaling.
gl.Translatef(0., smf->zoffset / smf->zscale, 0.);
// [BB] Weapon bob, very similar to the normal Doom weapon bob.
gl.Rotatef(FIXED2FLOAT(ofsx)/4, 0, 1, 0);
gl.Rotatef(-FIXED2FLOAT(ofsy-WEAPONTOP)/4, 1, 0, 0);
// [BB] For some reason the jDoom models need to be rotated.
gl.Rotatef(90., 0, 1, 0);
gl_RenderFrameModels( smf, psp->state, psp->tics, playermo->player->ReadyWeapon->GetClass(), cm, NULL, NULL, 0 );
gl.MatrixMode(GL_MODELVIEW);
gl.PopMatrix();
gl.DepthFunc(GL_LESS);
if (!( playermo->RenderStyle == LegacyRenderStyles[STYLE_Normal] ))
gl.Disable(GL_CULL_FACE);
}
void gl_RenderFrameModels( const FSpriteModelFrame *smf,
const FState *curState,
const int curTics,
const PClass *ti,
Matrix3x4 *normaltransform,
int translation)
{
// [BB] Frame interpolation: Find the FSpriteModelFrame smfNext which follows after smf in the animation
// and the scalar value inter ( element of [0,1) ), both necessary to determine the interpolated frame.
FSpriteModelFrame * smfNext = nullptr;
double inter = 0.;
if( gl_interpolate_model_frames && !(smf->flags & MDL_NOINTERPOLATION) )
{
FState *nextState = curState->GetNextState( );
if( curState != nextState && nextState )
{
// [BB] To interpolate at more than 35 fps we take tic fractions into account.
float ticFraction = 0.;
// [BB] In case the tic counter is frozen we have to leave ticFraction at zero.
if ( ConsoleState == c_up && menuactive != MENU_On && !(level.flags2 & LEVEL2_FROZEN) )
{
float time = GetTimeFloat();
ticFraction = (time - static_cast<int>(time));
}
inter = static_cast<double>(curState->Tics - curTics - ticFraction)/static_cast<double>(curState->Tics);
// [BB] For some actors (e.g. ZPoisonShroom) spr->actor->tics can be bigger than curState->Tics.
// In this case inter is negative and we need to set it to zero.
if ( inter < 0. )
inter = 0.;
else
{
// [BB] Workaround for actors that use the same frame twice in a row.
// Most of the standard Doom monsters do this in their see state.
if ( (smf->flags & MDL_INTERPOLATEDOUBLEDFRAMES) )
{
const FState *prevState = curState - 1;
if ( (curState->sprite == prevState->sprite) && ( curState->Frame == prevState->Frame) )
{
inter /= 2.;
inter += 0.5;
}
if ( (curState->sprite == nextState->sprite) && ( curState->Frame == nextState->Frame) )
{
inter /= 2.;
nextState = nextState->GetNextState( );
}
}
if ( inter != 0.0 )
smfNext = gl_FindModelFrame(ti, nextState->sprite, nextState->Frame, false);
}
}
}
for(int i=0; i<MAX_MODELS_PER_FRAME; i++)
{
if (smf->modelIDs[i] != -1)
{
FModel * mdl = Models[smf->modelIDs[i]];
FTexture *tex = smf->skinIDs[i].isValid()? TexMan(smf->skinIDs[i]) : nullptr;
mdl->BuildVertexBuffer();
gl_RenderState.SetVertexBuffer(mdl->mVBuf);
mdl->PushSpriteMDLFrame(smf, i);
if ( smfNext && smf->modelframes[i] != smfNext->modelframes[i] )
mdl->RenderFrame(tex, smf->modelframes[i], smfNext->modelframes[i], inter, translation);
else
mdl->RenderFrame(tex, smf->modelframes[i], smf->modelframes[i], 0.f, translation);
gl_RenderState.SetVertexBuffer(GLRenderer->mVBO);
}
}
}
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;
}