#define GetTextDrawPosX(%1) TextDrawPos[int:%1][0]
#define GetTextDrawPosY(%1) TextDrawPos[int:%1][1]

new Float:TextDrawPos[MAX_TEXT_DRAWS][2];

//Antes de cualquier TextDrawCreate
stock Text:Hook_TextDrawCreate(Float:x, Float:y, text[]) {
    new ID = int:TextDrawCreate(x,y,text);
    TextDrawPos[ID][0] = x;
    TextDrawPos[ID][1] = y;
    return Text:ID;
}
#define TextDrawCreate Hook_TextDrawCreate

public OnFilterScriptInit() {
    new Text:ID = TextDrawCreate(500.00,410,"Texto");
    printf("TextDrawID: %d PosX: %f PosY: %f",int:ID,GetTextDrawPosX(ID),GetTextDrawPosY(ID));
}