Serious-Engine/Sources/EntitiesMP/TextFXHolder.es

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/* Copyright (c) 2002-2012 Croteam Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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%{
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#include "EntitiesMP/StdH/StdH.h"
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#include "EntitiesMP/WorldSettingsController.h"
#include "EntitiesMP/BackgroundViewer.h"
%}
%{
static CStaticStackArray<CTString> _astrLines;
static CTFileName _fnLastLoaded;
%}
class CTextFXHolder: CRationalEntity {
name "TextFXHolder";
thumbnail "Thumbnails\\TextFXHodler.tbn";
features "IsTargetable", "HasName", "IsImportant";
properties:
1 CTString m_strName "Name" 'N' = "Text FX holder",
2 CTString m_strDescription = "",
3 CTFileName m_fnmMessage "Text file" 'T' = CTString(""),
4 FLOAT m_tmFadeInStart = 1e6,
5 FLOAT m_tmFadeOutStart = 1e6,
6 FLOAT m_tmFadeInLen "Fade in time" 'I' = 0.5f,
7 FLOAT m_tmFadeOutLen "Fade out time" 'O' = 0.5f,
8 FLOAT m_tmAutoFadeOut "Auto fade out time" 'A' = -1.0f,
20 BOOL m_bDataError = FALSE,
{
BOOL bDataLoaded;
}
components:
1 model MODEL_MARKER "Models\\Editor\\MessageHolder.mdl",
2 texture TEXTURE_MARKER "Models\\Editor\\MessageHolder.tex"
functions:
const CTString &GetDescription(void) const {
((CTString&)m_strDescription).PrintF("%s", (const char *) m_fnmMessage.FileName());
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return m_strDescription;
}
void CTextFXHolder(void)
{
bDataLoaded = FALSE;
}
BOOL ReloadData(void)
{
m_bDataError = FALSE;
if (!Text_On(m_fnmMessage))
{
Text_Off();
return FALSE;
}
return TRUE;
}
BOOL LoadOneFile(const CTFileName &fnm)
{
if(fnm=="") { return FALSE; }
try
{
// open the file
CTFileStream strm;
strm.Open_t(fnm);
// count number of lines
INDEX ctLines = 0;
while(!strm.AtEOF())
{
CTString strLine;
strm.GetLine_t(strLine);
ctLines++;
}
strm.SetPos_t(0);
// allocate that much
CTString *astr = _astrLines.Push(ctLines);
// load all lines
for(INDEX iLine = 0; iLine<ctLines && !strm.AtEOF(); iLine++)
{
strm.GetLine_t(astr[iLine]);
}
strm.Close();
return TRUE;
}
catch (char *strError)
{
CPrintF("%s\n", strError);
return FALSE;
}
_fnLastLoaded=fnm;
}
// turn text on
BOOL Text_On(CTFileName fnText)
{
_astrLines.PopAll();
return LoadOneFile(fnText);
}
// turn text off
void Text_Off(void)
{
_astrLines.Clear();
}
// render credits to given drawport
FLOAT TextFX_Render(CTextFXHolder *penThis, CDrawPort *pdp)
{
if (m_bDataError) { return 0; }
if (!bDataLoaded) {
if (!ReloadData()) {
m_bDataError = TRUE;
return 0;
}
bDataLoaded = TRUE;
return 1;
}
FLOAT fNow=_pTimer->CurrentTick();
if( fNow<m_tmFadeInStart) { return 0; }
if( fNow>m_tmFadeOutStart+m_tmFadeOutLen) { return 0;}
PIX pixW = 0;
PIX pixH = 0;
PIX pixJ = 0;
FLOAT fResolutionScaling;
PIX pixLineHeight;
CTString strEmpty;
CDrawPort *pdpCurr=pdp;
pdp->Unlock();
pdpCurr->Lock();
pixW = pdpCurr->GetWidth();
pixH = pdpCurr->GetHeight();
fResolutionScaling = (FLOAT)pixH / 360.0f;
pdpCurr->SetFont( _pfdDisplayFont);
pixLineHeight = (PIX) floor(20*fResolutionScaling);
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INDEX ctMaxLinesOnScreen = pixH/pixLineHeight;
INDEX ctLines=ClampUp(_astrLines.Count(), ctMaxLinesOnScreen);
pixJ = PIX(pixH/2-ctLines/2.0f*pixLineHeight);
for (INDEX iLine = 0; iLine<ctLines; iLine++)
{
CTString *pstr = &_astrLines[iLine];
pdp->SetFont( _pfdDisplayFont);
pdp->SetTextScaling( fResolutionScaling);
pdp->SetTextAspect( 1.0f);
FLOAT fRatio=1.0f;
if( fNow>m_tmFadeOutStart)
{
fRatio=CalculateRatio(fNow, m_tmFadeOutStart, m_tmFadeOutStart+m_tmFadeOutLen, 0, 1);
}
if( fNow<m_tmFadeInStart+m_tmFadeInLen)
{
fRatio=CalculateRatio(fNow, m_tmFadeInStart, m_tmFadeInStart+m_tmFadeInLen, 1, 0);
}
UBYTE ubA=ClampUp(UBYTE(fRatio*255.0f), UBYTE(255));
pdp->PutTextC( *pstr, pixW/2, pixJ, C_WHITE|ubA);
pixJ+=pixLineHeight;
}
pdpCurr->Unlock();
pdp->Lock();
return 1;
}
procedures:
WaitAndFadeOut(EVoid)
{
autowait( m_tmAutoFadeOut);
jump ApplyFadeOut();
}
ApplyFadeOut(EVoid)
{
m_tmFadeOutStart = _pTimer->CurrentTick();
CWorldSettingsController *pwsc = GetWSC(this);
if( pwsc!=NULL)
{
autowait(m_tmFadeOutLen);
CWorldSettingsController *pwsc = GetWSC(this);
ETextFX etfx;
etfx.bStart=FALSE;
etfx.penSender=this;
pwsc->SendEvent(etfx);
}
return EReturn();
}
Main()
{
InitAsEditorModel();
SetPhysicsFlags(EPF_MODEL_IMMATERIAL);
SetCollisionFlags(ECF_IMMATERIAL);
// set appearance
SetModel(MODEL_MARKER);
SetModelMainTexture(TEXTURE_MARKER);
autowait(0.05f);
if( !Text_On(m_fnmMessage))
{
Text_Off();
return;
}
m_bDataError = FALSE;
wait() {
on (EBegin):
{
resume;
}
on (EStart eStart):
{
CWorldSettingsController *pwsc = GetWSC(this);
if( pwsc!=NULL)
{
m_tmFadeInStart = _pTimer->CurrentTick();
ETextFX etfx;
etfx.bStart=TRUE;
etfx.penSender=this;
pwsc->SendEvent(etfx);
if( m_tmAutoFadeOut!=-1)
{
call WaitAndFadeOut();
}
}
resume;
}
on (EStop eStop):
{
call ApplyFadeOut();
resume;
}
on (EReturn):
{
resume;
}
}
Text_Off();
return;
}
};