textdraw animations v2.0 by Clavador

// Clavador Mar-2012

#if !defined MAX_BUFFER
        #define MAX_BUFFER 24
    #endif

#if !defined PLY_MX
        #define PLY_MX MAX_PLAYERS
    #endif

#define Init_Effects() new tid

#define TextDraw_FadeIn(%1,%2,%3,%4,%5,%6)      tid = Gettimer(%1);     \
                                                T_Stuff[%1][tid][minimum] = %5; \
                                                T_Stuff[%1][tid][maximum] = %6; \
                                                T_Stuff[%1][tid][t_id] = SetTimerEx("TextDrawFadeIn",%3,true,"dddd",%1,%2,%4,tid)

#define TextDraw_Grow(%1,%2,%3,%4,%5,%6,%7,%8)  tid = Gettimer(%1);         \
                                                T_Stuff[%1][tid][minimum] = %5; \
                                                T_Stuff[%1][tid][maximum] = %6; \
                                                T_Stuff[%1][tid][t_id] = SetTimerEx("TextDrawGrow",1,true,"ddddffd",%1,%2,%3,%4,%7,%8,tid)

#define TextDraw_Pulsate(%1,%2,%3,%4,%5,%6)     tid = Gettimer(%1);     \
                                                T_Stuff[%1][tid][minimum] = %5; \
                                                T_Stuff[%1][tid][maximum] = %6; \
                                                T_Stuff[%1][tid][t_id] = SetTimerEx("TextDrawPulsate",%4,true,"ddddd",%1,%2,%3,tid)


#define TextDraw_Hide(%1,%2,%3,%4)              T_Stuff[%1][%2][minimum] = %3;  \
                                                T_Stuff[%1][%2][maximum] = %4;  \
                                                HideDynamicTextDraws( %1, %2 )


#define min_buffer T_Stuff[playerid][timer][minimum]
#define max_buffer T_Stuff[playerid][timer][maximum]

enum Stuff
{
    minimum,
    maximum,
    t_id,
    count,
    bool:show,
    Float:txt_x,
    Float:txt_y
}

new T_Stuff[PLY_MX][MAX_BUFFER][Stuff];
new Text:T_Buffer[MAX_BUFFER];

// THIS IS CALLED WHEN ANIMATION FINISHES
forward OnAnimFinish( playerid, index, timer );

forward HideDynamicTextDraws( playerid, timer ); // HIDES FROM MIN TO MAX
forward TextDrawFadeIn( playerid, index, duration, timer ); // SHOWS FROM MIN TO MAX
forward TextDrawGrow( playerid, index, anim_speed, duration, Float:max_x, Float:max_y, timer ); // GROWS FROM 0 TO X
forward TextDrawPulsate( playerid, index, repetitions, timer ); // SHOWS AND HIDES FROM MIN TO MAX WITH X REPETITIONS

// FUNCTIONS
public TextDrawFadeIn( playerid, index, duration, timer )
{
    if( min_buffer <= max_buffer )
    {
        TextDrawShowForPlayer( playerid, T_Buffer[min_buffer] );
        min_buffer++;
    }
    else
    {
        StopTimer( playerid, timer );
        SetTimerEx("OnAnimFinish",duration,false,"ddd",playerid,index,timer);
    }

    return 1;
}

public TextDrawGrow( playerid, index, anim_speed, duration, Float:max_x, Float:max_y, timer )
{
    new i = min_buffer;

    if( T_Stuff[playerid][timer][txt_x] < max_x ) T_Stuff[playerid][timer][txt_x] += max_x / anim_speed;
    if( T_Stuff[playerid][timer][txt_y] < max_y ) T_Stuff[playerid][timer][txt_y] += max_y / anim_speed;

    while( i <= max_buffer )
    {
        TextDrawLetterSize( T_Buffer[i], T_Stuff[playerid][timer][txt_x], T_Stuff[playerid][timer][txt_y] );
        TextDrawShowForPlayer( playerid, T_Buffer[i] );
        i++;
    }

    if( T_Stuff[playerid][timer][txt_x] >= max_x && T_Stuff[playerid][timer][txt_y] >= max_y )
    {
        StopTimer( playerid, timer );
        T_Stuff[playerid][timer][txt_x] = T_Stuff[playerid][timer][txt_y] = 0.0;
        SetTimerEx("OnAnimFinish",duration,false,"ddd",playerid,index,timer);
    }

    return 1;
}

public TextDrawPulsate( playerid, index, repetitions, timer )
{
    new i = min_buffer;

    if( !T_Stuff[playerid][timer][show] )
    {
        if( i == max_buffer )
        {
            TextDrawShowForPlayer( playerid, T_Buffer[i] );
        }
        else
        {
            while( i < max_buffer )
            {
                TextDrawShowForPlayer( playerid, T_Buffer[i] );
                i++;
            }
        }

        T_Stuff[playerid][timer][show] = true;
    }
    else
    {
        if( i == max_buffer )
        {
            TextDrawShowForPlayer( playerid, T_Buffer[i] );
        }
        else
        {
            while( i < max_buffer )
            {
                TextDrawHideForPlayer( playerid, T_Buffer[i] );
                i++;
            }
        }

        T_Stuff[playerid][timer][show] = false;
    }

    if( T_Stuff[playerid][timer][count] > repetitions )
    {
        T_Stuff[playerid][timer][count] = 0;
        StopTimer( playerid, timer );
        OnAnimFinish( playerid, index, timer );
    }
    else T_Stuff[playerid][timer][count]++;

    return 1;
}

public HideDynamicTextDraws( playerid, timer )
{
    if( T_Stuff[playerid][timer][maximum] < 0 ) T_Stuff[playerid][timer][maximum] = MAX_BUFFER;

    while( T_Stuff[playerid][timer][minimum] < T_Stuff[playerid][timer][maximum] )
    {
        TextDrawHideForPlayer( playerid, T_Buffer[T_Stuff[playerid][timer][minimum]] );
        T_Stuff[playerid][timer][minimum]++;
    }

    return 1;
}

StopTimer( playerid, timer )
{
    KillTimer( T_Stuff[playerid][timer][t_id] );
    T_Stuff[playerid][timer][t_id] = 0;

    return 1;
}

Gettimer( playerid )
{
    for( new i; i<sizeof(T_Stuff[]); i++)
    {
        if( T_Stuff[playerid][i][t_id] == 0 )
        {
            return i;
        }
    }

    return 0;
}