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diff --git a/src/Game.cpp b/src/Game.cpp
index 715ad8b..4abdb87 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -1,1035 +1,1037 @@
/***************************************************************************
Game.cpp - description
-------------------
begin : Mon Sep 24 2001
copyright : (C) 2001 by upi
email : upi@apocalypse.rulez.org
***************************************************************************/
#include <string.h>
#include <stdio.h>
#include "SDL_image.h"
#include "sge_surface.h"
#include "sge_primitives.h"
#include "sge_bm_text.h"
#include "SDL_events.h"
#include "SDL_keysym.h"
#include <fstream>
#include "PlayerSelect.h"
#include "Background.h"
#include "common.h"
#include "gfx.h"
#include "Backend.h"
#include "RlePack.h"
#include "State.h"
#include "Game.h"
#include "Audio.h"
#include "MortalNetwork.h"
#include "MszPerl.h"
extern PerlInterpreter* my_perl;
int Game::mg_iBackgroundNumber = 1;
/*
GAME PALETTE
From To Num Desc
---------------------------------------
0 .. 63 64 Background
64 .. 111 48 Doodads
112 .. 175 64 1st Fighter
176 .. 239 64 2nd Fighter
240 .. 255 16 basic colors
*/
#define MAXFRAMESKIP 5
struct SFpsCounter
{
int m_iLastCheck; // Last second then Tick() was called
int m_iFrames; // The number of frames in this second so far
int m_iFps; // The number of frames in the last second
void Reset()
{
m_iLastCheck = m_iFrames = m_iFps = 0;
}
void Tick()
{
int iSecond = SDL_GetTicks() / 1000;
if ( iSecond > m_iLastCheck )
{
m_iLastCheck = iSecond;
m_iFps = m_iFrames;
m_iFrames = 0;
fprintf( stderr, "%d ", m_iFps);
}
++m_iFrames;
}
} oFpsCounter;
/***************************************************************************
GAME PUBLIC METHODS
***************************************************************************/
Game::Game( bool a_bIsReplay, bool a_bDebug)
{
m_bIsReplay = a_bIsReplay;
m_bDebug = a_bDebug;
m_enInitialGameMode = g_oState.m_enGameMode;
m_poBackground = new Background();
m_poBackground->Load(mg_iBackgroundNumber++);
if ( !m_poBackground->IsOK() )
{
m_poBackground->Load(1);
mg_iBackgroundNumber = 1;
}
m_poDoodads = LoadBackground( "Doodads.png", 48, 64 );
m_aiRoundsWonByPlayer[0] = m_aiRoundsWonByPlayer[1] = 0;
m_iNumberOfRounds = 0;
+
+ SDL_EnableUNICODE( 0 );
}
Game::~Game()
{
delete m_poBackground;
m_poBackground = NULL;
SDL_FreeSurface( m_poDoodads );
m_poDoodads = NULL;
}
/** Runs a whole game, with two or three rounds.
\retval 0 if player 1 has won.
\retval 1 if player 2 has won.
\retval -1 if the game was a draw.
*/
int Game::Run()
{
do
{
m_sReplayString = "";
m_aReplayOffsets.clear();
DoOneRound();
if ( g_oState.m_bQuitFlag
|| m_enInitialGameMode != g_oState.m_enGameMode )
{
return -1;
}
} while ( m_aiRoundsWonByPlayer[0] < 2
&& m_aiRoundsWonByPlayer[1] < 2
&& m_iNumberOfRounds < 3 );
if ( m_aiRoundsWonByPlayer[1] > m_aiRoundsWonByPlayer[0] ) return 1;
if ( m_aiRoundsWonByPlayer[1] < m_aiRoundsWonByPlayer[0] ) return 0;
return -1;
}
/** Returns the replay string of the last round.
*/
std::string& Game::GetReplay()
{
return m_sReplayString;
}
/***************************************************************************
GAME DRAWING METHODS
***************************************************************************/
/** Draws the hitpoint bars that are displayed on the top of the screen.
Also draws the fighter names below the bars.
Input variables:
\li g_oBackend.m_aoPlayers[x].m_iHitPoints
\li g_oPlayerSelect.GetFighterName
*/
void Game::DrawHitPointDisplay()
{
int hp1 = g_oBackend.m_aoPlayers[0].m_iHitPoints;// * 100 / g_oState.m_iHitPoints;
int hp2 = g_oBackend.m_aoPlayers[1].m_iHitPoints;// * 100 / g_oState.m_iHitPoints;
SDL_Rect src, dst;
src.y = 154;
src.h = 20;
dst.y = 15;
// Player 1, green part.
dst.x = 40;
src.x = 0;
src.w = hp1*2;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
// Player 1, red part.
dst.x += hp1*2;
src.x = (100 + hp1)*2;
src.w = (100-hp1)*2;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
// Player 2, red part.
dst.x = 400;
src.x = 200;
src.w = (100-hp2)*2;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
// Player 2, green part.
dst.x = 400 + (100-hp2)*2;
src.x = (100-hp2)*2;
src.w = hp2*2;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
// "Won" icon for Player 1
src.x = 0; src.y = 276; src.w = 32; src.h = 32;
if ( m_aiRoundsWonByPlayer[0] > 0 )
{
dst.x = 4; dst.y = 11;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
}
if ( m_aiRoundsWonByPlayer[1] > 0 )
{
dst.x = 604; dst.y = 11;
SDL_BlitSurface( m_poDoodads, &src, gamescreen, &dst );
}
int iTextX = 230 - g_oPlayerSelect.GetFighterNameWidth(0);
if ( iTextX < 5 ) iTextX = 5;
sge_BF_textout( gamescreen, fastFont, g_oPlayerSelect.GetFighterName(0),
iTextX, 38 );
iTextX = g_oPlayerSelect.GetFighterNameWidth(1);
iTextX = iTextX < (635-410) ? 410 : 635-iTextX;
sge_BF_textout( gamescreen, fastFont, g_oPlayerSelect.GetFighterName(1),
iTextX, 38 );
}
/** Draws the background, using the m_poBackground object.
*/
void Game::DrawBackground()
{
m_poBackground->Draw( g_oBackend.m_iBgX, g_oBackend.m_iBgY );
}
/** In debug mode, this method is used to draw the frame of the fighters.
\param a_sName The name of the polygon (in the perl namespace)
\param a_iColor The game color to draw the polygon with.
*/
void Game::DrawPoly( const char* a_pcName, int a_iColor )
{
AV *poList;
int n;
poList = get_av( a_pcName, FALSE );
if ( poList == NULL )
{
return;
}
n = av_len( poList ) + 1;
if ( n< 2 )
{
return;
}
for ( int i=0; i<n; i += 2 )
{
int j = (i+2) % n;
int x1 = SvIV( *av_fetch( poList, i, false) );
int y1 = SvIV( *av_fetch( poList, i+1, false) );
int x2 = SvIV( *av_fetch( poList, j, false) );
int y2 = SvIV( *av_fetch( poList, j+1, false) );
sge_Line( gamescreen, x1, y1, x2, y2, a_iColor ) ;
}
}
/** Draws every doodad that is currently defined in the backend.
*/
void Game::DrawDoodads()
{
for ( int i=0; i<g_oBackend.m_iNumDoodads; ++i )
{
Backend::SDoodad& roDoodad = g_oBackend.m_aoDoodads[i];
if ( 0 == roDoodad.m_iType )
{
// Handle text doodads
const char *s = roDoodad.m_sText.c_str();
int iWidth = sge_BF_TextSize(fastFont, s).w;
int iDoodadX = roDoodad.m_iX - iWidth/2;
if ( iDoodadX + iWidth > 640 ) iDoodadX = 640 - iWidth;
if ( iDoodadX < 0 ) iDoodadX = 0;
int iDoodadY = roDoodad.m_iY;
sge_BF_textout( gamescreen, fastFont, s, iDoodadX, iDoodadY );
continue;
}
if ( roDoodad.m_iGfxOwner < 2 )
{
g_oPlayerSelect.GetPlayerInfo(roDoodad.m_iGfxOwner).m_poPack->Draw(
roDoodad.m_iFrame, roDoodad.m_iX, roDoodad.m_iY, roDoodad.m_iDir < 1 );
continue;
}
SDL_Rect rsrc, rdst;
rdst.x = roDoodad.m_iX;
rdst.y = roDoodad.m_iY;
rsrc.x = 64 * roDoodad.m_iFrame;
rsrc.y = 0;
rsrc.w = 64;
rsrc.h = 64;
SDL_BlitSurface( m_poDoodads, &rsrc, gamescreen, &rdst );
//debug( "Doodad x: %d, y: %d, t: %d, f: %d\n", dx, dy, dt, df );
}
}
/** Draws the entire game screen:
\li First, the background.
\li The players.
\li The debug wireframes (if debugging is turned on)
\li The doodads.
\li The hitpoint display.
\li The gametime display.
\li The FPS display.
\li The "Round x" text during Ph_Start
Input:
\li m_enGamePhase
\li g_oBackend.m_iGameTime
\li m_iNumberOfRounds
\li oFpsCounter
*/
void Game::Draw()
{
#define GROUNDZERO 440
DrawBackground();
// DRAW THE SHADOWS
int i;
for ( i=0; i<2; ++i )
{
Backend::SPlayer& roPlayer = g_oBackend.m_aoPlayers[i];
int iFrame = roPlayer.m_iFrame;
if ( iFrame == 0 )
continue;
RlePack* poPack = g_oPlayerSelect.GetPlayerInfo(i).m_poPack;
int w = poPack->GetWidth( ABS(iFrame)-1 );
int h = poPack->GetHeight( ABS(iFrame)-1 );
h = GROUNDZERO - ( h + roPlayer.m_iY ); // Distance of feet from ground
if ( h < 0 ) h = 0;
if ( h > 500 ) h = 500;
h = 500 - h;
int h2 = 15 * h / 500;
h = ( w / 2 ) * h / 500;
sge_FilledEllipse( gamescreen,
g_oBackend.m_aoPlayers[i].m_iX + w/2, GROUNDZERO,
h, h2, C_BLACK );
}
for ( i=0; i<2; ++i )
{
Backend::SPlayer& roPlayer = g_oBackend.m_aoPlayers[i];
int iFrame = roPlayer.m_iFrame;
if ( iFrame == 0 )
continue;
RlePack* poPack = g_oPlayerSelect.GetPlayerInfo(i).m_poPack;
poPack->Draw( ABS(iFrame)-1, roPlayer.m_iX, roPlayer.m_iY, iFrame<0 );
}
if ( m_bDebug )
{
DrawPoly( "p1head", C_LIGHTRED );
DrawPoly( "p1body", C_LIGHTGREEN );
DrawPoly( "p1legs", C_LIGHTBLUE );
DrawPoly( "p1hit", C_YELLOW );
DrawPoly( "p2head", C_LIGHTRED );
DrawPoly( "p2body", C_LIGHTGREEN );
DrawPoly( "p2legs", C_LIGHTBLUE );
DrawPoly( "p2hit", C_YELLOW );
}
DrawDoodads();
DrawHitPointDisplay();
if ( Ph_NORMAL == m_enGamePhase )
{
char s[100];
sprintf( s, "%d", m_iGameTime ); // m_iGameTime is maintained by DoGame
DrawTextMSZ( s, inkFont, 320, 10, AlignHCenter, C_LIGHTCYAN, gamescreen, false );
}
else if ( Ph_START == m_enGamePhase )
{
char s[100];
const char* format = Translate( "Round %d" );
sprintf( s, format, m_iNumberOfRounds+1 );
DrawTextMSZ( s, inkFont, 320, 200, AlignHCenter, C_WHITE, gamescreen, false );
}
else if ( Ph_REWIND == m_enGamePhase )
{
DrawTextMSZ( "REW", inkFont, 320, 10, AlignHCenter, C_WHITE, gamescreen );
sge_BF_textout( gamescreen, fastFont, Translate("Press F1 to skip..."), 230, 450 );
}
else if ( Ph_SLOWFORWARD == m_enGamePhase )
{
DrawTextMSZ( "REPLAY", inkFont, 320, 10, AlignHCenter, C_WHITE, gamescreen );
sge_BF_textout( gamescreen, fastFont, Translate("Press F1 to skip..."), 230, 450 );
}
else if ( Ph_REPLAY == m_enGamePhase )
{
DrawTextMSZ( "DEMO", inkFont, 320, 10, AlignHCenter, C_WHITE, gamescreen );
}
if ( oFpsCounter.m_iFps > 0 )
{
sge_BF_textoutf( gamescreen, fastFont, 2, 2, "%d fps", oFpsCounter.m_iFps );
}
SDL_Flip( gamescreen );
}
/***************************************************************************
GAME PROTECTED METHODS
***************************************************************************/
bool Game::IsNetworkGame()
{
return SState::IN_NETWORK == g_oState.m_enGameMode;
}
/** Returns true if we control our own data, or false if the network supplies
us with game data. */
bool Game::IsMaster()
{
return !IsNetworkGame() || g_poNetwork->IsMaster();
}
/**
This method reads and updates the game's variables. In replay mode,
this is done by parsing the replay string. Otherwise the perl
backend is advanced the given number of steps.
Whichever the case, the variables will be available in g_oBackend.
Only the backend-driven variables are modified, the GamePhase and
GameTime remain unchanged; these are up for DoOneRound and friends
to modify.
*/
void Game::Advance( int a_iNumFrames )
{
if ( m_bIsReplay )
{
// Replay mode...
m_iFrame += a_iNumFrames;
if ( m_iFrame >= ((int)m_aReplayOffsets.size())-1 ) m_iFrame = m_aReplayOffsets.size() - 2;
if ( m_iFrame <= 0 ) m_iFrame = 0;
std::string sFrameDesc = m_sReplayString.substr(
m_aReplayOffsets[m_iFrame],
m_aReplayOffsets[m_iFrame+1] - m_aReplayOffsets[m_iFrame] );
g_oBackend.ReadFromString( sFrameDesc );
return;
}
if ( IsNetworkGame() )
{
bool bMaster = g_poNetwork->IsMaster();
g_poNetwork->Update();
if (!bMaster)
{
// We don't run our own backend, just pull the data from the network.
const char* pcRemoteBackend = g_poNetwork->GetLatestGameData();
g_oBackend.ReadFromString( pcRemoteBackend );
g_oBackend.PlaySounds();
return;
}
}
// OK. The trick here is to collect the sound information, and then
// inject it into the last frame to send it to the remote side.
static std::string sFrameDesc;
int iSounds = 0;
std::string asSounds[ MAXSOUNDS ];
int i;
while ( a_iNumFrames > 0 )
{
-- a_iNumFrames;
g_oBackend.AdvancePerl();
g_oBackend.ReadFromPerl();
g_oBackend.PlaySounds();
g_oBackend.WriteToString( sFrameDesc );
m_sReplayString += sFrameDesc;
m_sReplayString += '\n';
m_aReplayOffsets.push_back( m_sReplayString.size() );
for ( i=0;
IsNetworkGame() && i<g_oBackend.m_iNumSounds && iSounds<MAXSOUNDS;
++i, ++iSounds )
{
asSounds[iSounds] = g_oBackend.m_asSounds[i];
}
}
if ( IsNetworkGame() && sFrameDesc.size() )
{
g_oBackend.m_iNumSounds = iSounds;
for ( i=0; i<iSounds; ++i )
{
g_oBackend.m_asSounds[i] = asSounds[i];
}
g_oBackend.WriteToString( sFrameDesc );
g_poNetwork->SendGameData( sFrameDesc.c_str() );
}
}
/** A helper method of ProcessEvents; it manages keypresses and releases of
players.
*/
void Game::HandleKey( int a_iPlayer, int a_iKey, bool a_bDown )
{
if ( IsMaster() )
{
if ( IsNetworkGame() )
{
a_iPlayer = 0;
}
g_oBackend.PerlEvalF( a_bDown ? "KeyDown(%d,%d);" : "KeyUp(%d,%d);", a_iPlayer, a_iKey );
}
else
{
g_poNetwork->SendKeystroke( a_iKey, a_bDown );
}
}
/** ProcessEvents reads events from the SDL event system.
Relevant key events are fed to the backend.
Esc brings up the menu.
Returns 1 on quit event (e.g. if the current game or replay should be aborted), 0 otherwise.
*/
int Game::ProcessEvents()
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_QUIT:
g_oState.m_bQuitFlag = true;
return 1;
case SDL_KEYDOWN:
{
if ( event.key.keysym.sym == SDLK_ESCAPE && !IsNetworkGame() )
{
SState::TGameMode enMode = g_oState.m_enGameMode;
::DoMenu();
return g_oState.m_enGameMode == enMode ? 0 : 1;
}
if ( event.key.keysym.sym == SDLK_F1 /*&& !IsNetworkGame()*/ )
{
// shortcut: abort the current round. This shall is here
// to ease testing, and will be removed from the final
// version.
return 1;
}
if ( Ph_NORMAL != m_enGamePhase &&
Ph_REPLAY != m_enGamePhase )
break;
for (int i=0; i<2; i++)
{
for (int j=0; j<9; j++ )
{
if (g_oState.m_aiPlayerKeys[i][j] == event.key.keysym.sym)
{
if (g_oState.m_enGameMode == SState::IN_DEMO)
{
g_oState.m_enGameMode = SState::IN_MULTI;
return 1;
}
HandleKey( i, j, true );
//g_oBackend.PerlEvalF( "KeyDown(%d,%d);", i, j );
return 0;
}
}
}
break;
}
case SDL_KEYUP:
{
if ( Ph_NORMAL != m_enGamePhase )
break;
for (int i=0; i<2; i++)
{
for (int j=0; j<9; j++ )
{
if (g_oState.m_aiPlayerKeys[i][j] == event.key.keysym.sym)
{
HandleKey( i, j, false );
g_oBackend.PerlEvalF( "KeyUp(%d,%d);", i, j );
return 0;
}
}
}
break;
}
} // End of switch
} // End of while SDL_PollEvent;
return 0;
}
void Game::HurryUp()
{
Audio->PlaySample( "aroooga.voc" );
DrawGradientText( "HURRY UP!", titleFont, 200, gamescreen );
SDL_Delay( 1000 );
Audio->PlaySample( "machine_start.voc" );
}
void Game::TimeUp()
{
DrawGradientText( "TIME IS UP!", titleFont, 200, gamescreen );
SDL_Delay( 1000 );
}
/** This methods starts and runs the "instant replay" mode that is done
at the end of a game round. This means doing phases Ph_REWIND and Ph_SLOWFORWARD.
Rewind will go back in time 200 ticks before the parameter a_iKoAt.
*/
void Game::InstantReplay( int a_iKoAt )
{
int iCurrentFrame = m_aReplayOffsets.size() - 200;
int iThisTick, iLastTick, iGameSpeed;
m_enGamePhase = Ph_REWIND;
iGameSpeed = 8;
iThisTick = SDL_GetTicks() / iGameSpeed;
iLastTick = iThisTick - 1;
while ( iCurrentFrame < (int)m_aReplayOffsets.size() - 150 )
{
// 1. Wait for the next tick (on extremely fast machines..)
while (iThisTick == iLastTick)
{
iThisTick = SDL_GetTicks() / iGameSpeed;
if ( iThisTick==iLastTick ) SDL_Delay(1);
}
// 2. Advance as many ticks as necessary..
int iNumTicks = iThisTick - iLastTick;
if ( iNumTicks > 10 ) iNumTicks = 10;
if ( iNumTicks < 0 ) iNumTicks = 0;
iCurrentFrame += ( Ph_REWIND == m_enGamePhase ) ? -iNumTicks : +iNumTicks ;
if ( Ph_REWIND == m_enGamePhase
&& ( iCurrentFrame < a_iKoAt - 200 || iCurrentFrame <= 0 )
)
{
m_enGamePhase = Ph_SLOWFORWARD;
iGameSpeed = 16;
SDL_Delay(500);
}
iLastTick = iThisTick;
if ( iCurrentFrame < 0 ) iCurrentFrame = 0;
m_iFrame = iCurrentFrame;
if ( m_iFrame >= ((int)m_aReplayOffsets.size())-1 ) m_iFrame = m_aReplayOffsets.size() - 2;
if ( m_iFrame <= 0 ) m_iFrame = 0;
std::string sFrameDesc = m_sReplayString.substr(
m_aReplayOffsets[m_iFrame],
m_aReplayOffsets[m_iFrame+1] - m_aReplayOffsets[m_iFrame] );
//debug( "PB: Frame %d ofs %d-%d; data: '%s'\n", m_iFrame,
// m_aReplayOffsets[m_iFrame], m_aReplayOffsets[m_iFrame+1], sFrameDesc.c_str() );
g_oBackend.ReadFromString( sFrameDesc );
if ( ProcessEvents() )
{
break;
}
oFpsCounter.Tick();
// 3. Draw the next game screen..
Draw();
if ( g_oState.m_bQuitFlag
|| SState::IN_DEMO == g_oState.m_enGameMode )
{
break;
}
}
}
/** This methods executes one round of gameplay.
The game progresses through phases Ph_START, Ph_NORMAL, and
Ph_KO. If a KO happened, it will invoke InstantReplay. At the end of
the round m_aiRoundsWonByPlayer[x] will be incremented depending on the
outcome. m_iNumberOfRounds will also increase by 1.
*/
void Game::DoOneRound()
{
m_enGamePhase = Ph_START;
g_oBackend.PerlEvalF( "GameStart(%d,%d);", g_oState.m_iHitPoints, m_bDebug );
if ( IsNetworkGame() )
{
g_poNetwork->SynchStartRound();
}
int iKoFrame = -1;
double dGameTime = 2 * 1000; // Only for the "greeting phase", the real gametime will be set after.
int iThisTick, iLastTick, iGameSpeed;
bool bHurryUp = false;
bool bReplayAfter = true;
iGameSpeed = g_oState.m_iGameSpeed;
iThisTick = SDL_GetTicks() / iGameSpeed;
iLastTick = iThisTick - 1;
oFpsCounter.Reset();
// 1. DO THE NORMAL GAME ROUND (START, NORMAL, KO, TIMEUP)
while ( dGameTime >= 0 )
{
if ( m_enInitialGameMode != g_oState.m_enGameMode )
{
return;
}
// 1. Wait for the next tick (on extremely fast machines..)
while (iThisTick == iLastTick)
{
iThisTick = SDL_GetTicks() / iGameSpeed;
if ( iThisTick==iLastTick ) SDL_Delay(1);
}
// 2. Advance as many ticks as necessary..
int iNumTicks = iThisTick - iLastTick;
if ( iNumTicks > MAXFRAMESKIP ) iNumTicks = MAXFRAMESKIP;
Advance( iNumTicks );
dGameTime -= iNumTicks * iGameSpeed;
// 3. Check for state transitions and game time.
// START -> NORMAL
// NORMAL -> KO
// NORMAL -> TIMEUP
// bHurryUp flag can be set during NORMAL phase
if ( IsMaster() )
{
if ( Ph_START == m_enGamePhase ) // Check for the end of the START phase
{
if ( dGameTime <= 0 )
{
m_enGamePhase = Ph_NORMAL;
dGameTime = g_oState.m_iGameTime * 1000;
}
}
else if ( Ph_NORMAL == m_enGamePhase ) // Check for the end of the NORMAL phase
{
if ( dGameTime < 10 * 1000
&& !bHurryUp )
{
bHurryUp = true;
g_poNetwork->SendHurryup( 1 );
HurryUp();
iGameSpeed = iGameSpeed * 3 / 4;
}
if ( g_oBackend.m_bKO )
{
m_enGamePhase = Ph_KO;
dGameTime = 10 * 1000;
iKoFrame = m_aReplayOffsets.size();
}
else if ( dGameTime <= 0 )
{
m_enGamePhase = Ph_TIMEUP;
g_poNetwork->SendHurryup( 2 );
TimeUp();
break;
}
}
m_iGameTime = (int) ((dGameTime + 500.0) / 1000.0);
if ( IsNetworkGame() )
{
g_poNetwork->SendGameTime( m_iGameTime, m_enGamePhase );
}
}
else
{
m_iGameTime = g_poNetwork->GetGameTime();
m_enGamePhase = (TGamePhaseEnum) g_poNetwork->GetGamePhase();
dGameTime = 1000.0; // ignored.
switch (g_poNetwork->GetHurryup() )
{
case 1: HurryUp(); break;
case 2: TimeUp(); break;
}
}
iLastTick = iThisTick;
if ( ProcessEvents() || g_oState.m_bQuitFlag )
{
bReplayAfter = false;
break;
}
if ( IsNetworkGame() && IsMaster() )
{
int iKey;
bool bPressed;
while ( g_poNetwork->GetKeystroke( iKey, bPressed ) )
{
debug( "Got GetKeystroke: %d, %d\n", iKey, bPressed );
g_oBackend.PerlEvalF( bPressed ? "KeyDown(%d,%d);" : "KeyUp(%d,%d);", 1, iKey );
}
}
oFpsCounter.Tick();
// 3. Draw the next game screen..
Draw();
// 4. Check 'end of round' condition.
if ( !IsMaster() )
{
if ( g_poNetwork->IsRoundOver() )
{
break;
}
}
else if ( g_oBackend.m_iGameOver )
{
break;
}
}
int p1h = g_oBackend.m_aoPlayers[0].m_iHitPoints;
int p2h = g_oBackend.m_aoPlayers[1].m_iHitPoints;
// 3. DO THE REPLAY (IF THERE WAS A KO)
if ( iKoFrame>0 && bReplayAfter && !IsNetworkGame() )
{
InstantReplay( iKoFrame );
}
// 4. END OF ROUND
debug( "Game over; p1h = %d; p2h = %d\n", p1h, p2h );
if ( IsMaster() )
{
int iWhoWon = -1;
if ( p1h > p2h ) { ++m_aiRoundsWonByPlayer[0]; iWhoWon = 0; }
if ( p2h > p1h ) { ++m_aiRoundsWonByPlayer[1]; iWhoWon = 1; }
if ( IsNetworkGame() )
{
g_poNetwork->SendRoundOver( iWhoWon, m_iNumberOfRounds > 0 );
}
}
else
{
int iWhoWon = g_poNetwork->GetWhoWon();
if ( iWhoWon>=0 )
{
++m_aiRoundsWonByPlayer[iWhoWon];
}
}
++m_iNumberOfRounds;
}
void Game::DoReplay( const char* a_pcReplayFile )
{
std::ifstream oInput( a_pcReplayFile );
int iPlayer1, iPlayer2;
oInput >> iPlayer1 >> iPlayer2;
std::string sLine;
std::getline( oInput, sLine );
g_oPlayerSelect.SetPlayer( 0, (FighterEnum) iPlayer1 );
g_oPlayerSelect.SetPlayer( 1, (FighterEnum) iPlayer2 );
int iThisTick, iLastTick, iGameSpeed;
m_enGamePhase = Ph_REPLAY;
iGameSpeed = 12;
iThisTick = SDL_GetTicks() / iGameSpeed;
iLastTick = iThisTick - 1;
while ( !oInput.eof() )
{
// 1. Wait for the next tick (on extremely fast machines..)
while (iThisTick == iLastTick)
{
iThisTick = SDL_GetTicks() / iGameSpeed;
if ( iThisTick==iLastTick ) SDL_Delay(1);
}
// 2. Advance as many ticks as necessary..
int iNumTicks = iThisTick - iLastTick;
if ( iNumTicks > 5 ) iNumTicks = 5;
for ( int i=0; i< iNumTicks; ++i )
{
std::getline( oInput, sLine );
}
if ( 0 == sLine.size() )
{
break;
}
iLastTick = iThisTick;
g_oBackend.ReadFromString( sLine );
if ( ProcessEvents() )
{
break;
}
oFpsCounter.Tick();
// 3. Draw the next game screen..
Draw();
if ( g_oState.m_bQuitFlag )
{
break;
}
}
}
/** Public static function.
Other parts of OpenMortal need not include "Game.h" so long as they have
the definition of this method (defined in "common.h"). The method runs
a cycle of the game (either a normal game, or replay).
In replay mode, DoReplay() is called, and the replay file is required.
In normal mode, Run() is called. The replay file is recorded, if it is not NULL.
*/
int DoGame( char* a_pcReplayFile, bool a_bIsReplay, bool a_bDebug )
{
Game oGame( a_bIsReplay, a_bDebug );
if ( a_bIsReplay )
{
if ( NULL == a_pcReplayFile )
{
return 0;
}
oGame.DoReplay( a_pcReplayFile );
return 0;
}
else
{
int iRetval = oGame.Run();
if ( NULL != a_pcReplayFile )
{
std::ofstream oOutput( a_pcReplayFile );
oOutput <<
g_oPlayerSelect.GetPlayerInfo(0).m_enFighter << ' ' <<
g_oPlayerSelect.GetPlayerInfo(1).m_enFighter << '\n' << oGame.GetReplay();
}
return iRetval;
}
}
diff --git a/src/sge_tt_text.cpp b/src/sge_tt_text.cpp
index e2f6748..5e821ab 100644
--- a/src/sge_tt_text.cpp
+++ b/src/sge_tt_text.cpp
@@ -1,1777 +1,1776 @@
/*
* SDL Graphics Extension
* Text/TrueType font functions
*
* Started 990815
*
* License: LGPL v2+ (see the file LICENSE)
* (c)1999-2001 Anders Lindstr?m
*
* Uses the excellent FreeType 2 library, available at:
* http://www.freetype.org/
*/
/*********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
*********************************************************************/
/*
* Most of this code is taken from the SDL ttf lib by Sam Lantinga
* <slouken@devolution.com>
*/
#include "SDL.h"
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <string.h>
#include <stdarg.h>
#include <math.h>
#include "sge_surface.h"
#include "sge_primitives.h"
#include "sge_tt_text.h"
#ifndef _SGE_NOTTF
#include <ft2build.h>
#include <freetype/freetype.h>
#include <freetype/ftoutln.h>
#include <freetype/ttnameid.h>
/* The structure used to hold glyph information (cached) */
struct glyph {
int stored;
FT_UInt index;
//FT_Bitmap bitmap;
FT_Bitmap pixmap;
int minx;
int maxx;
int miny;
int maxy;
int yoffset;
int advance;
Uint16 cached;
};
/* the truetype font structure */
struct _sge_TTFont{
FT_Face face;
/* Font metrics */
int height;
int ascent;
int descent;
int lineskip;
/* The font style */
Uint8 style;
/* Extra width in glyph bounds for text styles */
int glyph_overhang;
float glyph_italics;
/* Information in the font for underlining */
int underline_offset;
int underline_height;
/* For now, support Latin-1 character set caching */
glyph *current;
glyph cache[256];
glyph scratch;
};
/* Macro to convert a character to a Unicode value -- assume already Unicode */
//Should really make a proper convert algorithm someday
#define UNICODE(c) c
/* FIXME: Right now we assume the gray-scale renderer Freetype is using
supports 256 shades of gray, but we should instead key off of num_grays
in the result FT_Bitmap after the FT_Render_Glyph() call. */
#define NUM_GRAYS 256
/* Handy routines for converting from fixed point */
#define FT_FLOOR(X) ((X & -64) / 64)
#define FT_CEIL(X) (((X + 63) & -64) / 64)
#define CACHED_METRICS 0x10
#define CACHED_BITMAP 0x01
#define CACHED_PIXMAP 0x02
/* The FreeType font engine/library */
static FT_Library _sge_library;
static int _sge_TTF_initialized = 0;
Uint8 _sge_TTF_AA=1; //Rendering mode: 0-OFF, 1-AA, 2-Alpha
/**********************************************************************************/
/** Open/misc font functions **/
/**********************************************************************************/
//==================================================================================
// Turns TTF AntiAliasing On/Off or alpha (nice but slow) (Default: On)
//==================================================================================
void sge_TTF_AAOff(void)
{
_sge_TTF_AA=0;
}
void sge_TTF_AAOn(void)
{
_sge_TTF_AA=1;
}
void sge_TTF_AA_Alpha(void)
{
_sge_TTF_AA=2;
}
//==================================================================================
// Closes the ttf engine, done by exit
//==================================================================================
void sge_TTF_Quit(void)
{
if ( _sge_TTF_initialized ) {
FT_Done_FreeType( _sge_library );
}
_sge_TTF_initialized = 0;
}
//==================================================================================
// Starts the ttf engine, must be called first
//==================================================================================
int sge_TTF_Init(void)
{
FT_Error error;
error = FT_Init_FreeType( &_sge_library );
if ( error ) {
SDL_SetError("SGE - Couldn't init FreeType engine");
return(-1);
} else {
_sge_TTF_initialized = 1;
}
atexit(sge_TTF_Quit); //dont't trust the user...
return(0);
}
//==================================================================================
// Some helper functions
//==================================================================================
void Flush_Glyph(glyph *glyph)
{
glyph->stored = 0;
glyph->index = 0;
//if( glyph->bitmap.buffer ) {
// free( glyph->bitmap.buffer );
// glyph->bitmap.buffer = 0;
//}
if( glyph->pixmap.buffer ) {
free( glyph->pixmap.buffer );
glyph->pixmap.buffer = 0;
}
glyph->cached = 0;
}
void Flush_Cache(sge_TTFont *font)
{
int i;
int size = sizeof( font->cache ) / sizeof( font->cache[0] );
for( i = 0; i < size; ++i ) {
if( font->cache[i].cached ) {
Flush_Glyph( &font->cache[i] );
}
}
if( font->scratch.cached ) {
Flush_Glyph( &font->scratch );
}
}
//==================================================================================
// Remove font from memory
//==================================================================================
void sge_TTF_CloseFont(sge_TTFont *font)
{
Flush_Cache( font );
FT_Done_Face( font->face );
free( font );
}
//==================================================================================
// Open the TT font file and returns the font with pt size
//==================================================================================
sge_TTFont *sge_TTF_OpenFont(const char *file, int ptsize)
{
sge_TTFont *font;
FT_Error error;
FT_Face face;
FT_Fixed scale;
font = (sge_TTFont *)malloc(sizeof(*font));
if ( font == NULL ) {
SDL_SetError("SGE - Out of memory");
return(NULL);
}
memset(font, 0, sizeof(*font));
/* Open the font and create ancillary data */
error = FT_New_Face( _sge_library, file, 0, &font->face );
if ( error ) {
sge_SetError("SGE - Couldn't load font file: %s",file);
free(font);
return(NULL);
}
face = font->face;
/* Make sure that our font face is scalable (global metrics) */
if ( ! FT_IS_SCALABLE(face) ) {
sge_SetError("SGE - Font face is not scalable: %s",file);
sge_TTF_CloseFont( font );
return NULL;
}
/* Set the character size and use 96 DPI */
error = FT_Set_Char_Size( font->face, 0, ptsize * 64, 96, 96 );
//error = FT_Set_Pixel_Sizes( font->face, 0, ptsize );
if( error ) {
sge_SetError("SGE - Couldn't set font size: %s",file);
sge_TTF_CloseFont( font );
return NULL;
}
/* Get the scalable font metrics for this font */
scale = face->size->metrics.y_scale;
font->ascent = FT_CEIL(FT_MulFix(face->bbox.yMax, scale));
font->descent = FT_CEIL(FT_MulFix(face->bbox.yMin, scale));
font->height = font->ascent - font->descent + /* baseline */ 1;
font->lineskip = FT_CEIL(FT_MulFix(face->height, scale));
font->underline_offset = FT_FLOOR(FT_MulFix(face->underline_position, scale));
font->underline_height = FT_FLOOR(FT_MulFix(face->underline_thickness, scale));
if ( font->underline_height < 1 ) {
font->underline_height = 1;
}
/* Set the default font style */
font->style = SGE_TTF_NORMAL;
font->glyph_overhang = face->size->metrics.y_ppem / 10;
/* x offset = cos(((90.0-12)/360)*2*M_PI), or 12 degree angle */
font->glyph_italics = 0.207f;
font->glyph_italics *= font->height;
return font;
}
//==================================================================================
// Load a glyph
//==================================================================================
FT_Error Load_Glyph(sge_TTFont *font, Uint16 ch, glyph *cached, int want )
{
FT_Face face;
FT_Error error;
FT_GlyphSlot glyph;
FT_Glyph_Metrics* metrics;
FT_Outline* outline;
//assert( font );
//assert( font->face );
face = font->face;
/* Load the glyph */
if ( ! cached->index ) {
cached->index = FT_Get_Char_Index( face, ch );
}
error = FT_Load_Glyph( face, cached->index, FT_LOAD_DEFAULT );
if( error ) {
return error;
}
/* Get our glyph shortcuts */
glyph = face->glyph;
metrics = &glyph->metrics;
outline = &glyph->outline;
/* Get the glyph metrics if desired */
if ( (want & CACHED_METRICS) && !(cached->stored & CACHED_METRICS) ) {
/* Get the bounding box */
cached->minx = FT_FLOOR(metrics->horiBearingX);
cached->maxx = cached->minx + FT_CEIL(metrics->width);
cached->maxy = FT_FLOOR(metrics->horiBearingY);
cached->miny = cached->maxy - FT_CEIL(metrics->height);
cached->yoffset = font->ascent - cached->maxy;
cached->advance = FT_CEIL(metrics->horiAdvance);
/* Adjust for bold and italic text */
if ( font->style & SGE_TTF_BOLD ) {
cached->maxx += font->glyph_overhang;
}
if ( font->style & SGE_TTF_ITALIC ) {
cached->maxx += (int)ceil(font->glyph_italics);
}
cached->stored |= CACHED_METRICS;
}
if ( ((want & CACHED_BITMAP) && !(cached->stored & CACHED_BITMAP)) ||
((want & CACHED_PIXMAP) && !(cached->stored & CACHED_PIXMAP)) ) {
//int mono = (want & CACHED_BITMAP);
int i;
FT_Bitmap* src;
FT_Bitmap* dst;
/* Handle the italic style */
if( font->style & SGE_TTF_ITALIC ) {
FT_Matrix shear;
shear.xx = 1 << 16;
shear.xy = (int) ( font->glyph_italics * ( 1 << 16 ) ) / font->height;
shear.yx = 0;
shear.yy = 1 << 16;
FT_Outline_Transform( outline, &shear );
}
/* Render the glyph */
//if ( mono ) {
// error = FT_Render_Glyph( glyph, ft_render_mode_mono );
//} else {
error = FT_Render_Glyph( glyph, ft_render_mode_normal );
//}
if( error ) {
return error;
}
/* Copy over information to cache */
src = &glyph->bitmap;
//if ( mono ) {
// dst = &cached->bitmap;
//} else {
dst = &cached->pixmap;
//}
memcpy( dst, src, sizeof( *dst ) );
//if ( mono ) {
// dst->pitch *= 8;
//}
/* Adjust for bold and italic text */
if( font->style & SGE_TTF_BOLD ) {
int bump = font->glyph_overhang;
dst->pitch += bump;
dst->width += bump;
}
if( font->style & SGE_TTF_ITALIC ) {
int bump = (int)ceil(font->glyph_italics);
dst->pitch += bump;
dst->width += bump;
}
dst->buffer = (unsigned char *)malloc( dst->pitch * dst->rows );
if( !dst->buffer ) {
return FT_Err_Out_Of_Memory;
}
memset( dst->buffer, 0, dst->pitch * dst->rows );
for( i = 0; i < src->rows; i++ ) {
int soffset = i * src->pitch;
int doffset = i * dst->pitch;
/*if ( mono ) {
unsigned char *srcp = src->buffer + soffset;
unsigned char *dstp = dst->buffer + doffset;
int j;
for ( j = 0; j < src->width; j += 8 ) {
unsigned char ch = *srcp++;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
ch <<= 1;
*dstp++ = (ch&0x80) >> 7;
}
} else {*/
memcpy(dst->buffer+doffset,
src->buffer+soffset, src->pitch);
//}
}
/* Handle the bold style */
if ( font->style & SGE_TTF_BOLD ) {
int row;
int col;
int offset;
int pixel;
Uint8* pixmap;
/* The pixmap is a little hard, we have to add and clamp */
for( row = dst->rows - 1; row >= 0; --row ) {
pixmap = (Uint8*) dst->buffer + row * dst->pitch;
for( offset=1; offset <= font->glyph_overhang; ++offset ) {
for( col = dst->width - 1; col > 0; --col ) {
pixel = (pixmap[col] + pixmap[col-1]);
if( pixel > NUM_GRAYS - 1 ) {
pixel = NUM_GRAYS - 1;
}
pixmap[col] = (Uint8) pixel;
}
}
}
}
/* Mark that we rendered this format */
//if ( mono ) {
// cached->stored |= CACHED_BITMAP;
//} else {
cached->stored |= CACHED_PIXMAP;
//}
}
/* We're done, mark this glyph cached */
cached->cached = ch;
return 0;
}
//==================================================================================
// Find glyph
//==================================================================================
FT_Error Find_Glyph(sge_TTFont *font, Uint16 ch, int want)
{
int retval = 0;
if( ch < 256 ) {
font->current = &font->cache[ch];
} else {
if ( font->scratch.cached != ch ) {
Flush_Glyph( &font->scratch );
}
font->current = &font->scratch;
}
if ( (font->current->stored & want) != want ) {
retval = Load_Glyph( font, ch, font->current, want );
}
return retval;
}
//==================================================================================
// Change the size of font
//==================================================================================
int sge_TTF_SetFontSize(sge_TTFont *font, int ptsize)
{
FT_Error error;
FT_Fixed scale;
FT_Face face;
/* Set the character size and use 96 DPI */
error = FT_Set_Char_Size( font->face, 0, ptsize * 64, 96, 96 );
//error = FT_Set_Pixel_Sizes( font->face, 0, ptsize );
if( error ) {
sge_SetError("SGE - Couldn't set font size");
sge_TTF_CloseFont( font );
return -1;
}
Flush_Cache(font);
face = font->face;
/* Get the scalable font metrics for this font */
scale = face->size->metrics.y_scale;
font->ascent = FT_CEIL(FT_MulFix(face->bbox.yMax, scale));
font->descent = FT_CEIL(FT_MulFix(face->bbox.yMin, scale));
font->height = font->ascent - font->descent + /* baseline */ 1;
font->lineskip = FT_CEIL(FT_MulFix(face->height, scale));
font->underline_offset = FT_FLOOR(FT_MulFix(face->underline_position, scale));
font->underline_height = FT_FLOOR(FT_MulFix(face->underline_thickness, scale));
if ( font->underline_height < 1 ) {
font->underline_height = 1;
}
/* Set the default font style */
//font->style = SGE_TTF_NORMAL;
font->glyph_overhang = face->size->metrics.y_ppem / 10;
/* x offset = cos(((90.0-12)/360)*2*M_PI), or 12 degree angle */
font->glyph_italics = 0.207f;
font->glyph_italics *= font->height;
return 0;
}
//==================================================================================
// Get font geometrics
//==================================================================================
int sge_TTF_FontHeight(sge_TTFont *font)
{
return(font->height);
}
int sge_TTF_FontAscent(sge_TTFont *font)
{
return(font->ascent);
}
int sge_TTF_FontDescent(sge_TTFont *font)
{
return(font->descent);
}
int sge_TTF_FontLineSkip(sge_TTFont *font)
{
return(font->lineskip);
}
int sge_TTF_GlyphMetrics(sge_TTFont *font, Uint16 ch, int* minx, int* maxx, int* miny, int* maxy, int* advance)
{
FT_Error error;
error = Find_Glyph(font, ch, CACHED_METRICS);
if ( error ) {
return -1;
}
if ( minx ) {
*minx = font->current->minx;
}
if ( maxx ) {
*maxx = font->current->maxx;
}
if ( miny ) {
*miny = font->current->miny;
}
if ( maxy ) {
*maxy = font->current->maxy;
}
if ( advance ) {
*advance = font->current->advance;
}
return 0;
}
//==================================================================================
// Set font style
//==================================================================================
void sge_TTF_SetFontStyle(sge_TTFont *font, Uint8 style)
{
font->style = style;
Flush_Cache(font);
}
//==================================================================================
// Get font style
//==================================================================================
Uint8 sge_TTF_GetFontStyle(sge_TTFont *font)
{
return(font->style);
}
#endif /* _SGE_NOTTF */
//==================================================================================
// Convert the Latin-1 text to UNICODE
//==================================================================================
Uint16 *ASCII_to_UNICODE(Uint16 *unicode, const char *text, int len)
{
int i;
for ( i=0; i < len; ++i ) {
unicode[i] = ((const unsigned char *)text)[i];
}
unicode[i] = 0;
return unicode;
}
Uint16 *sge_Latin1_Uni(const char *text)
{
Uint16 *unicode_text;
int i, unicode_len;
/* Copy the Latin-1 text to a UNICODE text buffer */
unicode_len = strlen(text);
unicode_text = (Uint16 *)malloc((unicode_len+1)*(sizeof *unicode_text));
if ( unicode_text == NULL ) {
SDL_SetError("SGE - Out of memory");
return(NULL);
}
for ( i=0; i < unicode_len; ++i ) {
unicode_text[i] = ((const unsigned char *)text)[i];
}
unicode_text[i] = 0;
return(unicode_text);
}
//==================================================================================
// Convert the UTF-8 text to UNICODE
//==================================================================================
Uint16 *UTF8_to_UNICODE(Uint16 *unicode, const char *utf8, int len)
{
int i, j;
Uint16 ch;
for ( i=0, j=0; i < len; ++i, ++j ) {
ch = ((const unsigned char *)utf8)[i];
if ( ch >= 0xF0 ) {
ch = (Uint16)(utf8[i]&0x07) << 18;
ch |= (Uint16)(utf8[++i]&0x3F) << 12;
ch |= (Uint16)(utf8[++i]&0x3F) << 6;
ch |= (Uint16)(utf8[++i]&0x3F);
} else
if ( ch >= 0xE0 ) {
ch = (Uint16)(utf8[i]&0x3F) << 12;
ch |= (Uint16)(utf8[++i]&0x3F) << 6;
ch |= (Uint16)(utf8[++i]&0x3F);
} else
if ( ch >= 0xC0 ) {
ch = (Uint16)(utf8[i]&0x3F) << 6;
ch |= (Uint16)(utf8[++i]&0x3F);
}
unicode[j] = ch;
}
unicode[j] = 0;
return unicode;
}
Uint16 *sge_UTF8_Uni(const char *text)
{
Uint16 *unicode_text;
int unicode_len;
/* Copy the UTF-8 text to a UNICODE text buffer */
unicode_len = strlen(text);
unicode_text = (Uint16 *)malloc((unicode_len+1)*(sizeof *unicode_text));
if ( unicode_text == NULL ) {
SDL_SetError("SGE - Out of memory");
return(NULL);
}
return UTF8_to_UNICODE(unicode_text, text, unicode_len);
}
#ifndef _SGE_NOTTF
//==================================================================================
// Get the width of the text with the given font
//==================================================================================
SDL_Rect sge_TTF_TextSizeUNI(sge_TTFont *font, const Uint16 *text)
{
SDL_Rect ret; ret.x=0; ret.y=0, ret.w=0, ret.h=0;
const Uint16 *ch;
int x, z;
int minx, maxx;
int miny, maxy;
glyph *glyph;
FT_Error error;
/* Initialize everything to 0 */
if ( ! _sge_TTF_initialized ) {
return ret;
}
minx = miny = 0;
maxx = maxy = 0;
/* Load each character and sum it's bounding box */
x= 0;
for ( ch=text; *ch; ++ch ) {
error = Find_Glyph(font, *ch, CACHED_METRICS);
if ( error ) {
return ret;
}
glyph = font->current;
z = x + glyph->minx;
if ( minx > z ) {
minx = z;
}
if ( font->style & SGE_TTF_BOLD ) {
x += font->glyph_overhang;
}
if ( glyph->advance > glyph->maxx ) {
z = x + glyph->advance;
} else {
z = x + glyph->maxx;
}
if ( maxx < z ) {
maxx = z;
}
x += glyph->advance;
if ( glyph->miny < miny ) {
miny = glyph->miny;
}
if ( glyph->maxy > maxy ) {
maxy = glyph->maxy;
}
}
/* Fill the bounds rectangle */
ret.w = (maxx - minx);
//ret.h = (maxy - miny); /* This is correct, but breaks many applications */
ret.h = font->height;
return ret;
}
SDL_Rect sge_TTF_TextSize(sge_TTFont *font, const char *text, int a_iMaxLength)
{
SDL_Rect ret; ret.x=ret.y=ret.w=ret.y=0;
Uint16 *unicode_text;
int unicode_len;
/* Copy the Latin-1 text to a UNICODE text buffer */
unicode_len = strlen(text);
if ( unicode_len > a_iMaxLength
&& a_iMaxLength>=0 )
{
unicode_len = a_iMaxLength;
}
unicode_text = (Uint16 *)malloc((unicode_len+1)*(sizeof *unicode_text));
if ( unicode_text == NULL ) {
SDL_SetError("SGE - Out of memory");
return ret;
}
ASCII_to_UNICODE( unicode_text, text, unicode_len );
/* Render the new text */
ret = sge_TTF_TextSizeUNI(font, unicode_text);
/* Free the text buffer and return */
free(unicode_text);
return ret;
}
/**********************************************************************************/
/** TTF output functions **/
/**********************************************************************************/
//==================================================================================
// TT Render (unicode)
// Returns an 8bit or 32bit(8/8/8/8-alpha) surface with TT text
//==================================================================================
SDL_Surface *sge_TTF_RenderUNICODE(sge_TTFont *font,const Uint16 *text, SDL_Color fg, SDL_Color bg)
{
int xstart, width;
int w, h;
SDL_Surface *textbuf;
SDL_Palette *palette;
int index;
int rdiff, gdiff, bdiff;
const Uint16 *ch;
Uint8 *src, *dst;
Uint32 *dst32;
Uint32 alpha=0;
Uint32 pixel=0;
Uint32 Rmask=0, Gmask=0, Bmask=0, Amask=0;
int row, col;
FT_Error error;
/* Get the dimensions of the text surface */
SDL_Rect ret=sge_TTF_TextSizeUNI(font, text);
w=ret.w; h=ret.h;
if ( !w ) {
SDL_SetError("SGE - Text has zero width");
return(NULL);
}
/* Create the target surface */
width = w;
if(_sge_TTF_AA!=2) /* Allocate an 8-bit pixmap */
textbuf = SDL_AllocSurface(SDL_SWSURFACE, w, h, 8, 0, 0, 0, 0);
else{ /* Allocate an 32-bit alpha pixmap */
if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
Rmask = 0x000000FF;
Gmask = 0x0000FF00;
Bmask = 0x00FF0000;
Amask = 0xFF000000;
} else {
Rmask = 0xFF000000;
Gmask = 0x00FF0000;
Bmask = 0x0000FF00;
Amask = 0x000000FF;
}
textbuf = SDL_AllocSurface(SDL_SWSURFACE, w, h, 32, Rmask, Gmask, Bmask, Amask);
}
if ( textbuf == NULL ) {
SDL_SetError("SGE - Out of memory");
return(NULL);
}
/* Setup our colors */
switch(_sge_TTF_AA){
case 0:{ /* No fancy antialiasing or alpha component */
palette = textbuf->format->palette;
palette->colors[0].r = bg.r;
palette->colors[0].g = bg.g;
palette->colors[0].b = bg.b;
palette->colors[1].r = fg.r;
palette->colors[1].g = fg.g;
palette->colors[1].b = fg.b;
}
break;
case 1:{ /* Fill the palette with NUM_GRAYS levels of shading from bg to fg */
palette = textbuf->format->palette;
rdiff = fg.r - bg.r;
gdiff = fg.g - bg.g;
bdiff = fg.b - bg.b;
for ( index=0; index< NUM_GRAYS; ++index ) {
palette->colors[index].r = bg.r + (index*rdiff)/(NUM_GRAYS-1);
palette->colors[index].g = bg.g + (index*gdiff)/(NUM_GRAYS-1);
palette->colors[index].b = bg.b + (index*bdiff)/(NUM_GRAYS-1);
}
}
break;
case 2:{ /* Alpha component magic */
sge_ClearSurface(textbuf, SDL_MapRGBA(textbuf->format, bg.r,bg.g,bg.b,SDL_ALPHA_TRANSPARENT));
//pixel = (fg.r<<16)|(fg.g<<8)|fg.b;
pixel = (fg.b<<16)|(fg.g<<8)|fg.r;
}
break;
}
/* Load and render each character */
xstart = 0;
for ( ch=text; *ch; ++ch ) {
error = Find_Glyph(font, *ch, CACHED_METRICS|CACHED_PIXMAP);
if ( ! error ) {
w = font->current->pixmap.width;
src = (Uint8 *)font->current->pixmap.buffer;
for ( row = 0; row < font->current->pixmap.rows; ++row ) {
dst = (Uint8 *)textbuf->pixels + (row + font->current->yoffset)* textbuf->pitch + xstart + font->current->minx;
switch(_sge_TTF_AA){
case 0:{ /* Normal */
src = font->current->pixmap.buffer + row * font->current->pixmap.pitch;
for ( col=w; col>0; --col ) {
*dst++ |= (*src++<NUM_GRAYS/2)? 0:1;
}
}
break;
case 1:{ /* Antialiasing */
src = font->current->pixmap.buffer + row * font->current->pixmap.pitch;
for ( col=w; col>0; --col ) {
*dst++ |= *src++;
}
}
break;
case 2:{ /* Alpha */
dst32 = (Uint32 *)textbuf->pixels + (row + font->current->yoffset)* textbuf->pitch/4 + xstart + font->current->minx;
for ( col=w; col>0; --col ) {
alpha = *src++;
*dst32++ |= pixel | (alpha << 24);
}
}
break;
}
}
xstart += font->current->advance;
if ( font->style & SGE_TTF_BOLD ) {
xstart += font->glyph_overhang;
}
}
}
/* Handle the underline style */
if ( font->style & SGE_TTF_UNDERLINE ) {
int row_offset;
row_offset = font->ascent - font->underline_offset - 1;
if ( row_offset > textbuf->h ) {
row_offset = (textbuf->h-1) - font->underline_height;
}
if(_sge_TTF_AA==0){
dst = (Uint8 *)textbuf->pixels + row_offset * textbuf->pitch;
for ( row=font->underline_height; row>0; --row ) {
memset(dst, 1, textbuf->w );
dst += textbuf->pitch;
}
}else if(_sge_TTF_AA==1){
dst = (Uint8 *)textbuf->pixels + row_offset * textbuf->pitch;
for ( row=font->underline_height; row>0; --row ) {
memset(dst, NUM_GRAYS - 1, textbuf->w );
dst += textbuf->pitch;
}
}else{
pixel |= Amask;
dst32 = (Uint32 *)textbuf->pixels+row_offset*textbuf->pitch/4;
for ( row=font->underline_height; row>0; --row ) {
for ( col=0; col < textbuf->w; ++col ) {
dst32[col] = pixel;
}
dst32 += textbuf->pitch/4;
}
}
}
return(textbuf);
}
//==================================================================================
// Renders the Unicode string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (255-solid, 0-max).
//==================================================================================
SDL_Rect sge_tt_textout_UNI(SDL_Surface *Surface, sge_TTFont *font, const Uint16 *uni, Sint16 x, Sint16 y, Uint32 fcolor, Uint32 bcolor, int Alpha)
{
SDL_Rect ret; ret.x=0; ret.y=0; ret.w=0; ret.h=0;
SDL_Color temp;
SDL_Surface *text;
text=sge_TTF_RenderUNICODE(font,uni,sge_GetRGB(Surface,fcolor),sge_GetRGB(Surface,bcolor));
if(text==NULL){return ret;}
/* Align the surface text to the baseline */
Uint16 ascent=font->ascent;
temp=sge_GetRGB(Surface,bcolor);
sge_BlitTransparent(text,Surface,0,0,x,y-ascent,text->w,text->h,SDL_MapRGB(text->format,temp.r,temp.g,temp.b),Alpha);
sge_UpdateRect(Surface,x,y-ascent,text->w,text->h);
ret.x=x; ret.y=y-ascent; ret.w=text->w; ret.h=text->h;
SDL_FreeSurface(text);
return ret;
}
//==================================================================================
// Renders the Unicode string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max). (RGB)
//==================================================================================
SDL_Rect sge_tt_textout_UNI(SDL_Surface *Surface, sge_TTFont *font, const Uint16 *uni, Sint16 x, Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR, Uint8 bG, Uint8 bB, int Alpha)
{
SDL_Rect ret; ret.x=0; ret.y=0; ret.w=0; ret.h=0;
SDL_Surface *text;
text=sge_TTF_RenderUNICODE(font,uni,sge_FillPaletteEntry(fR,fG,fB),sge_FillPaletteEntry(bR,bG,bB));
if(text==NULL){return ret;}
/* Align the surface text to the baseline */
Uint16 ascent=font->ascent;
sge_BlitTransparent(text,Surface,0,0,x,y-ascent,text->w,text->h,SDL_MapRGB(text->format,bR,bG,bB),Alpha);
sge_UpdateRect(Surface,x,y-ascent,text->w,text->h);
ret.x=x; ret.y=y-ascent; ret.w=text->w; ret.h=text->h;
SDL_FreeSurface(text);
return ret;
}
//==================================================================================
// Renders the Latin-1 string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max).
//==================================================================================
SDL_Rect sge_tt_textout(SDL_Surface *Surface, sge_TTFont *font, const char *string, Sint16 x, Sint16 y, Uint32 fcolor, Uint32 bcolor, int Alpha)
{
SDL_Rect ret;
Uint16 *uni;
uni=sge_Latin1_Uni(string);
ret=sge_tt_textout_UNI(Surface,font,uni,x,y,fcolor,bcolor,Alpha);
free(uni);
return ret;
}
//==================================================================================
// Renders the Latin-1 string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max). (RGB)
//==================================================================================
SDL_Rect sge_tt_textout(SDL_Surface *Surface, sge_TTFont *font, const char *string, Sint16 x, Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR, Uint8 bG, Uint8 bB, int Alpha)
{
SDL_Rect ret;
Uint16 *uni;
uni=sge_Latin1_Uni(string);
ret=sge_tt_textout_UNI(Surface,font,uni,x,y, fR,fG,fB, bR,bG,bB, Alpha);
free(uni);
return ret;
}
//==================================================================================
// Renders the UTF-8 string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max).
//==================================================================================
SDL_Rect sge_tt_textout_UTF8(SDL_Surface *Surface, sge_TTFont *font, const char *string, Sint16 x, Sint16 y, Uint32 fcolor, Uint32 bcolor, int Alpha)
{
SDL_Rect ret;
Uint16 *uni;
uni=sge_UTF8_Uni(string);
ret=sge_tt_textout_UNI(Surface,font,uni,x,y,fcolor,bcolor,Alpha);
free(uni);
return ret;
}
//==================================================================================
// Renders the UTF-8 string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max). (RGB)
//==================================================================================
SDL_Rect sge_tt_textout_UTF8(SDL_Surface *Surface, sge_TTFont *font, const char *string, Sint16 x, Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR, Uint8 bG, Uint8 bB, int Alpha)
{
SDL_Rect ret;
Uint16 *uni;
uni=sge_UTF8_Uni(string);
ret=sge_tt_textout_UNI(Surface,font,uni,x,y, fR,fG,fB, bR,bG,bB, Alpha);
free(uni);
return ret;
}
//==================================================================================
// Renders the formatet Latin-1 string to TrueType on surface, with the color fcolor.
// bcolor is the target color for the antialiasing.
// Alpha sets the transparency of the text (0-solid, 255-max). (RGB ONLY)
// * just like printf(char *format,...) *
//==================================================================================
SDL_Rect sge_tt_textoutf(SDL_Surface *Surface, sge_TTFont *font, Sint16 x, Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR, Uint8 bG, Uint8 bB, int Alpha ,const char *format,...)
{
char buf[256];
va_list ap;
#ifdef __WIN32__
va_start((va_list*)ap, format); //Stupid win32 crosscompiler
#else
va_start(ap, format);
#endif
vsprintf(buf, format, ap);
va_end(ap);
return sge_tt_textout(Surface, font, buf, x,y, fR,fG,fB, bR,bG,bB, Alpha);
}
/**********************************************************************************/
/** TTF 'input' functions **/
/**********************************************************************************/
// First some internel functions for TTF input
//==================================================================================
// Fast update function for TTF input
//
// type=0 - in ret smaller then out ret
// type=1 - in ret bigger then out ret
// type=3 - safe
//==================================================================================
SDL_Rect fast_update(SDL_Surface *Surface,SDL_Surface *buffer,SDL_Rect ret, int type,sge_TTFont *font,Uint16 *string, Sint16 x,Sint16 y, Uint32 fcol, Uint32 bcol,int Alpha)
{
if(type==0){
sge_Update_OFF();
sge_FilledRect(Surface, ret.x, ret.y, ret.x+ret.w, ret.y+ret.h, bcol);
ret=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, 0);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else if(type==1){
SDL_Rect temp;
sge_Update_OFF();
sge_FilledRect(Surface, ret.x, ret.y, ret.x+ret.w, ret.y+ret.h, bcol);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, 0);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
ret=temp;
}
else{
SDL_Rect temp;
sge_Update_OFF();
sge_FilledRect(Surface, ret.x, ret.y, ret.x+ret.w, ret.y+ret.h, bcol);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, 0);
sge_Update_ON();
if(ret.w>=temp.w){
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else{
sge_UpdateRect(Surface, temp.x, temp.y, temp.w, temp.h);
}
ret=temp;
}
return ret;
}
//==================================================================================
// Update function for TTF input that preserve background
//
// type=0 - in ret smaller then out ret
// type=1 - in ret bigger then out ret
// type=3 - safe
//==================================================================================
SDL_Rect nice_update(SDL_Surface *Surface,SDL_Surface *buffer,SDL_Rect ret, int type,sge_TTFont *font,Uint16 *string, Sint16 x,Sint16 y, Uint32 fcol, Uint32 bcol, int Alpha)
{
if(type==0){
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
ret=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else if(type==1){
SDL_Rect temp;
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
ret=temp;
}
else{
SDL_Rect temp;
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
if(ret.w>=temp.w){
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else{
sge_UpdateRect(Surface, temp.x, temp.y, temp.w, temp.h);
}
ret=temp;
}
return ret;
}
#endif /* _SGE_NOTTF */
//==================================================================================
// Handle keyrepeats
//==================================================================================
int keyrepeat(SDL_Event *event, int wait)
{
int keydown=1,c=0,ret=0;
SDL_Event ev;
do{
if(SDL_PollEvent(&ev)==1){
if(ev.type==SDL_QUIT){ret=-1;keydown=0;}
if(ev.type==SDL_KEYUP || ev.type==SDL_KEYDOWN){ //Keyrepeat cancelled
keydown=0;
if(ev.type==SDL_KEYDOWN){
SDL_PeepEvents(&ev,1, SDL_ADDEVENT, 0); //Return the newly pressed key to the event queue
}
}
}
SDL_Delay(10);
c++;
if(c>wait && keydown==1){ //trigers keyrepeat
ret=1;
SDL_PeepEvents(event,1, SDL_ADDEVENT, 0); //Return the old key to the event queue
keydown=0;
}
}while(keydown==1);
return ret;
}
//==================================================================================
// Insert a element
//==================================================================================
void insert_char(Uint16 *string, Uint16 ch, int pos, int max)
{
if(pos>max || pos<0){return;}
else if(pos==max){string[pos]=ch;}
else{
for(int i=max; i>=pos; i--){
string[i+1]=string[i];
}
string[pos]=ch;
}
}
//==================================================================================
// Delete a element
//==================================================================================
void delete_char(Uint16 *string, int pos, int max)
{
if(pos>max || pos<0){return;}
else if(pos==max){string[pos]=0;}
else{
for(int i=pos; i<=max-1; i++){
string[i]=string[i+1];
}
string[max]=0;
}
}
#ifndef _SGE_NOTTF
// These functions handle keyboard input and shows the result on screen. The text
// can be edited with [Backspace], [Delete], [Left arrow] and [Right arrow].
// Text input is terminated when [Return] or [Enter] is pressed, or if a quit event
// is recived.
// The sge_tt_input functions puts the result in 'string'.
//
// Flags: SGE_IBG - Keeps background, else bye bye background
// SGE_IDEL - Delete text on exit
// SGE_INOKR - No keyrepeat
// (use OR | to give more than one)
//
// If you want a 'default' text you can copy it to string before call and set pos to
// the first empty element in string - ex. "Hello" => pos=5. If not - zero.
// len is the max numbers of chars editable - ex. if you set the default text to "100"
// and only want 3 digits out, set len to 3. string should have atleast len+1 elements
// allocated
// This is *not* a fast, optimized function - but it gets the job done...
// Return:
// Zero or above - the lenght of the string
// -1 recieved a quit event (the lenght is lost)
// -2 invalid indata
// -3 out of memory
//==================================================================================
// Text input UNICODE (the core)
//==================================================================================
int sge_tt_input_UNI(SDL_Surface *screen,sge_TTFont *font,Uint16 *string, Uint8 flags, int pos,int len,Sint16 x,Sint16 y, Uint32 fcol, Uint32 bcol, int Alpha)
{
if(len<pos || pos<0 || len<0){return -2;}
Uint16 cur=124;//The charactar for the cursor - '|'
int max; //The strings size
/* Set update function */
SDL_Rect (*_update)(SDL_Surface *screen,SDL_Surface *buffer,SDL_Rect ret, int type,sge_TTFont *font,Uint16 *string, Sint16 x,Sint16 y, Uint32 fcol, Uint32 bcol, int Alpha);
SDL_Surface *buffer;
if(flags&SGE_FLAG1){ /* Keep background? */
_update=nice_update;
buffer=SDL_DisplayFormat(screen); /* Fixme: Yum! Memory! */
if(buffer==NULL){SDL_SetError("SGE - Out of memory");return -3;}
}
else{ /* nope */
_update=fast_update;
buffer=NULL;
Alpha=0;
}
SDL_Rect ret;
max=pos;
string[pos+1]=0;
SDL_EnableUNICODE(1);
/* Init cursor */
string[pos]=cur;
ret=sge_tt_textout_UNI(screen,font,string, x,y, fcol, bcol, Alpha);
SDL_Event event;
int quit=0;
do{
/* Check events */
SDL_WaitEvent(&event);
if(event.type==SDL_QUIT){quit=-1;}
else if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_ESCAPE){quit=1;}
else if(event.type==SDL_KEYDOWN && (event.key.keysym.sym==SDLK_RETURN || event.key.keysym.sym==SDLK_KP_ENTER)){quit=1;}
else if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_BACKSPACE){
if(pos>0){
/* Delete char cursor-1 */
delete_char(string,pos-1,max); pos--; max--;
ret=_update(screen,buffer,ret,1,font,string, x,y, fcol, bcol, Alpha);
/* Handle keyrepeat */
if(!(flags&SGE_FLAG3))
if(keyrepeat(&event, 20)==-1){quit=-1;}
}
}
else if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_RIGHT){
if(pos!=max && pos!=len){
/* Move cursor right */
delete_char(string,pos,max);pos++;
insert_char(string,cur,pos,max);
ret=_update(screen,buffer,ret,3,font,string, x,y, fcol, bcol, Alpha);
/* Handle keyrepeat */
if(!(flags&SGE_FLAG3))
if(keyrepeat(&event, 20)==-1){quit=-1;}
}
}
else if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_LEFT){
if(pos>0){
/* Move cursor left */
delete_char(string,pos,max);pos--;
insert_char(string,cur,pos,max);
ret=_update(screen,buffer,ret,3,font,string, x,y, fcol, bcol, Alpha);
/* Handle keyrepeat */
if(!(flags&SGE_FLAG3))
if(keyrepeat(&event, 20)==-1){quit=-1;}
}
}
else if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_DELETE){
/* Delete char cursor+1 */
if(pos!=max && pos!=len){
delete_char(string,pos+1,max);max--;
ret=_update(screen,buffer,ret,1,font,string, x,y, fcol, bcol, Alpha);
/* Handle keyrepeat */
if(!(flags&SGE_FLAG3))
if(keyrepeat(&event, 20)==-1){quit=-1;}
}
}
else if(event.type==SDL_KEYDOWN && event.key.keysym.unicode!=0){
/* Insert new char */
if(max!=len){
max++;
insert_char(string, event.key.keysym.unicode, pos,max); pos++;
ret=_update(screen,buffer,ret,0,font,string, x,y, fcol, bcol, Alpha);
/* Handle keyrepeat */
if(!(flags&SGE_FLAG3))
if(keyrepeat(&event, 40)==-1){quit=-1;}
}
}
}while(quit==0);
/* Remove the cursor from string */
delete_char(string,pos,max);
if(flags&SGE_FLAG2){ //Remove the text
if(flags&SGE_FLAG1){
sge_Blit(buffer,screen, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
sge_UpdateRect(screen, ret.x, ret.y, ret.w, ret.h);
}
else{
sge_FilledRect(screen,ret.x, ret.y, ret.x+ret.w, ret.y+ret.h,bcol);
}
}
else{ //Draw text without cursor
ret=_update(screen,buffer,ret,1,font,string, x,y, fcol, bcol, Alpha);
}
if(flags&SGE_FLAG1){SDL_FreeSurface(buffer);}
if(quit==-1){return -1;} //Waaa! The user killed me!
return max;
}
CReadline::CReadline( SDL_Surface *a_poScreen, sge_TTFont *a_poFont,
char *a_pcString, int a_iPos, int a_iLen,
int a_x, int a_y, int a_w, Uint32 a_iFCol, Uint32 a_iBCol, int a_iAlpha )
{
m_iResult = 0;
m_poScreen = a_poScreen;
m_poFont = a_poFont;
m_piString = 0;
m_iLen = -1;
w = a_w;
x = a_x;
y = a_y;
SDL_EnableUNICODE(1);
// Create background copy.
m_oWorkArea.x = x;
m_oWorkArea.y = y - sge_TTF_FontAscent(m_poFont);
m_oWorkArea.w = w;
m_oWorkArea.h = sge_TTF_FontHeight(a_poFont);
m_poBackground = sge_copy_surface( a_poScreen, m_oWorkArea.x, m_oWorkArea.y, m_oWorkArea.w, m_oWorkArea.h );
Restart( a_pcString, a_iPos, a_iLen, a_iFCol, a_iBCol, a_iAlpha );
}
void CReadline::Restart( char *a_pcString, int a_iPos, int a_iLen,
Uint32 a_iFCol, Uint32 a_iBCol, int a_iAlpha )
{
if ( NULL == m_piString
|| m_iLen <= a_iLen )
{
if ( m_piString ) delete[] m_piString;
m_iLen = a_iLen;
m_piString = new Uint16[a_iLen+2];
}
m_iResult = 0;
m_pcLatin1String = a_pcString;
m_iPos = a_iPos;
m_iFCol = a_iFCol;
m_iBCol = a_iBCol;
m_iAlpha = a_iAlpha;
// Convert the original string into an unicode string
int i;
for(i=0; i<m_iPos; i++)
{
m_piString[i]=(unsigned char)m_pcLatin1String[i];
}
m_piString[m_iPos]=0;
// Insert the cursor at the end
m_iCursor = 124; // '|' character
m_iMax=m_iPos;
m_piString[m_iPos+1]=0;
m_piString[m_iPos]=m_iCursor;
Redraw();
SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
}
CReadline::~CReadline()
{
delete[] m_piString;
- SDL_EnableUNICODE(0);
SDL_FreeSurface( m_poBackground );
m_poBackground = NULL;
SDL_EnableKeyRepeat( 0, 0 );
}
/** Returns the current state of the line input.
\retval -1 A quit event was encountered.
\retval -2 Escape was pressed
\retval 0 Input is in progress.
\retval 1 Input has finished.
*/
int CReadline::GetResult()
{
if ( m_iResult == 0 )
{
return m_iResult;
}
SDL_EnableKeyRepeat( 0, 0 );
sge_Blit( m_poBackground, m_poScreen, m_oUpdateRect.x, m_oUpdateRect.y,
m_oUpdateRect.x, m_oUpdateRect.y, m_oUpdateRect.w, m_oUpdateRect.h);
sge_UpdateRect(m_poScreen, m_oUpdateRect.x, m_oUpdateRect.y, m_oUpdateRect.w, m_oUpdateRect.h);
if ( m_iResult < 0 )
{
return m_iResult;
}
delete_char( m_piString, m_iPos, m_iMax );
memset( m_pcLatin1String, 0, sizeof(char)*(m_iPos+1) );
for( int i=0; i<=m_iMax; i++)
{
m_pcLatin1String[i] = (char)m_piString[i];
}
insert_char( m_piString, m_iCursor, m_iPos, m_iMax );
return 1;
}
/** Internal method for redrawing the string. */
void CReadline::Update( int a_iCode )
{
//m_oUpdateRect = nice_update( m_poScreen, m_poBackground, m_oUpdateRect, a_iCode, m_poFont, m_piString,
// x, y, m_iFCol, m_iBCol, m_iAlpha );
SDL_Rect oOldClipRect;
SDL_GetClipRect( m_poScreen, &oOldClipRect );
SDL_SetClipRect( m_poScreen, &m_oWorkArea );
sge_Blit( m_poBackground, m_poScreen, 0, 0, m_oWorkArea.x, m_oWorkArea.y, m_oWorkArea.w, m_oWorkArea.h );
sge_tt_textout_UNI( m_poScreen, m_poFont, m_piString, x, y, m_iFCol, m_iBCol, m_iAlpha );
sge_UpdateRect( m_poScreen, m_oWorkArea.x, m_oWorkArea.y, m_oWorkArea.w, m_oWorkArea.h );
SDL_SetClipRect( m_poScreen, &oOldClipRect );
}
void CReadline::Redraw()
{
m_oUpdateRect = sge_tt_textout_UNI( m_poScreen, m_poFont, m_piString, x, y, m_iFCol, m_iBCol, m_iAlpha );
sge_UpdateRect( m_poScreen, m_oWorkArea.x, m_oWorkArea.y, m_oWorkArea.w, m_oWorkArea.h );
}
void CReadline::Clear()
{
sge_Blit( m_poBackground, m_poScreen, 0, 0, m_oWorkArea.x, m_oWorkArea.y, m_oWorkArea.w, m_oWorkArea.h );
}
/** Runs the event queue until the input is finished.
\see GetResult
*/
int CReadline::Execute()
{
int iRetval;
SDL_Event e;
while ( 1 )
{
SDL_WaitEvent( &e );
HandleKeyEvent( e );
iRetval = GetResult();
if ( iRetval )
break;
}
return iRetval;
}
void CReadline::HandleKeyEvent( SDL_Event& a_roEvent )
{
if(a_roEvent.type==SDL_QUIT)
{
m_iResult = -1;
return;
}
if ( a_roEvent.type != SDL_KEYDOWN )
{
return;
}
if( a_roEvent.key.keysym.sym==SDLK_ESCAPE )
{
m_iResult = -2;
return;
}
if ( a_roEvent.key.keysym.sym==SDLK_RETURN
|| a_roEvent.key.keysym.sym==SDLK_KP_ENTER )
{
m_iResult = 1;
return;
}
if( a_roEvent.key.keysym.sym==SDLK_BACKSPACE )
{
if ( m_iPos == 0 )
{
return;
}
/* Delete char cursor-1 */
delete_char(m_piString,m_iPos-1,m_iMax);
m_iPos--;
m_iMax--;
Update( 1 );
return;
}
if( a_roEvent.key.keysym.sym==SDLK_RIGHT
&& m_iPos!=m_iMax && m_iPos!=m_iLen )
{
/* Move cursor right */
delete_char(m_piString,m_iPos,m_iMax);
m_iPos++;
insert_char(m_piString,m_iCursor,m_iPos,m_iMax);
Update( 3 );
return;
}
if ( a_roEvent.key.keysym.sym==SDLK_LEFT
&& m_iPos>0 )
{
/* Move cursor left */
delete_char(m_piString,m_iPos,m_iMax);
m_iPos--;
insert_char(m_piString,m_iCursor,m_iPos,m_iMax);
Update( 3 );
return;
}
if( a_roEvent.key.keysym.sym==SDLK_DELETE )
{
if ( m_iPos!=m_iMax && m_iPos!=m_iLen )
{
delete_char(m_piString,m_iPos+1,m_iMax);
m_iMax--;
Update( 1 );
}
return;
}
if( a_roEvent.key.keysym.unicode!=0
&& m_iMax != m_iLen )
{
m_iMax++;
insert_char(m_piString, a_roEvent.key.keysym.unicode, m_iPos, m_iMax);
m_iPos++;
Update( 0 );
}
}
/*
SDL_Rect CReadline::NiceUpdate( SDL_Surface *Surface,SDL_Surface *buffer,
SDL_Rect ret, int type,sge_TTFont *font,Uint16 *string, Sint16 x,Sint16 y,
Uint32 fcol, Uint32 bcol, int Alpha )
{
if(type==0){
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
ret=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else if(type==1){
SDL_Rect temp;
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
ret=temp;
}
else{
SDL_Rect temp;
sge_Update_OFF();
sge_Blit(buffer,Surface, ret.x, ret.y, ret.x, ret.y, ret.w, ret.h);
temp=sge_tt_textout_UNI(Surface,font,string, x,y, fcol, bcol, Alpha);
sge_Update_ON();
if(ret.w>=temp.w){
sge_UpdateRect(Surface, ret.x, ret.y, ret.w, ret.h);
}
else{
sge_UpdateRect(Surface, temp.x, temp.y, temp.w, temp.h);
}
ret=temp;
}
return ret;
}
*/
//==================================================================================
// Text input UNICODE (RGB)
//==================================================================================
int sge_tt_input_UNI(SDL_Surface *screen,sge_TTFont *font,Uint16 *string,Uint8 flags, int pos,int len,Sint16 x,Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR,Uint8 bG,Uint8 bB, int Alpha)
{
return sge_tt_input_UNI(screen,font,string,flags,pos,len,x,y,SDL_MapRGB(screen->format, fR,fG,fB),SDL_MapRGB(screen->format, bR,bG,bB),Alpha);
}
//==================================================================================
// Text input Latin1
//
// Will fail miserable if ret<0!
//==================================================================================
int sge_tt_input(SDL_Surface *screen,sge_TTFont *font,char *string,Uint8 flags, int pos,int len,Sint16 x,Sint16 y, Uint32 fcol, Uint32 bcol, int Alpha)
{
if(len<pos || pos<0 || len<0){return -2;}
#ifndef __GNUC__
Uint16 *uni=new Uint16[len+2]; //ANSI C++
#else
Uint16 uni[len+2];
#endif
int ret;
int i;
if(pos!=0){
for(i=0; i<pos; i++){ //Convert Latin1 => Uni
uni[i]=(unsigned char)string[i];
}
}
uni[pos]=0;
ret=sge_tt_input_UNI(screen,font,uni,flags,pos,len,x,y,fcol,bcol,Alpha);
memset(string,0,sizeof(char)*(pos+1));
if(ret>0){
for( i=0; i<=ret; i++){ //Convert Uni => Latin1
string[i] = (char)uni[i];
}
}
#ifndef __GNUC__
delete[] uni;
#endif
return ret;
}
//==================================================================================
// Text input Latin1 (RGB)
//==================================================================================
int sge_tt_input(SDL_Surface *screen,sge_TTFont *font,char *string,Uint8 flags, int pos,int len,Sint16 x,Sint16 y, Uint8 fR, Uint8 fG, Uint8 fB, Uint8 bR,Uint8 bG,Uint8 bB, int Alpha)
{
return sge_tt_input(screen,font,string,flags,pos,len,x,y,SDL_MapRGB(screen->format, fR,fG,fB),SDL_MapRGB(screen->format, bR,bG,bB),Alpha);
}
#endif /* _SGE_NOTTF */

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