lev file structure
------------------


offset  Type        Size  Data
------------------------------------
0        char[5]       5  "POT14" (says that it is an elma lev) "POT06" is from across
5        short         2  Lower short of the following int (never used, i guess)
7        int           4  Random number to link the replays with the lev
11       double        8  Integrity 1
19       double        8  Integrity 2
27       double        8  Integrity 3
35       double        8  Integrity 4 (lock)
43       char[51]     51  Name of the lev
94       char[16]     16  Name of the LGR file to use
110      char[10]     10  Name of the ground texture
120      char[10]     10  Name of the sky texture
130      double        8  Number of polygons + 0.4643643. Maximum = 300 (EOL: 1000)
138      POLYGON[]     -  
?        double        8  Number of objects + 0.4643643. Maximum = 52 (EOL: 252)
?        OBJECT[]      -  
?        double        8  Number of pictures + 0.2345672. Maximum = 5000
?        PICTURE[]     -  
?        int           4  0x3A 0x10 0x67 0x00 (0x0067103A) End Of Data (magic number, no other meaning)
?        TOP10S      688  encrypted single and myltyplayer top10s
?        int           4  0x52 0x5D 0x84 0x00 (0x00845D52) -> End Of File



POLYGON:

Type     Size  Data
------------------------------------
int         4  Grass flag (0 = normal, 1 = grass polygon)
int         4  Number of vertice
VERTEX[]    -  A vertex is just two doubles : x and y. 16 bytes of course.



OBJECT:

Type     Size  Data
------------------------------------
double      8  Position : x
double      8  Position : y
int         4  Type (1 = flower, 2 = food, 3 = killer, 4 = start)
int         4  Type of food (0 = food, 1 = Gravity Up, 2 = Gravity Down, 3 = Gravity Left, 4 = Gravity Right)
int         4  Animation number - 1



PICTURE:

Type     Size  Data
------------------------------------
char[10]   10  Normal picture name
char[10]   10  Texture name
char[10]   10  Mask name
double      8  Position : x
double      8  Position : y
int         4  Distance (1-999)
int         4  Clipping (0 = U, 1 = G, 2 = S)



TOP10S:
type     size  data
------------------------------------
TOP10     344  singleplayer top10
TOP10     344  myltyplayer top10

this how 2 uncrypt top10s
  char *buf=TOP10S;
  short ebp8=0x15;
  short ebp10=0x2637;
  for(int x=0;x<688;x++){
    buf[x]^=ebp8&0xFF;
    ebp10+=(ebp8%0xD3D)*0xD3D;
    ebp8=ebp10*0x1F+0xD3D;
  }

 

TOP10:
type          size  data
------------------------------------
int              4  number of tymes
int[10]         40  aray of tymes
char[10][15]   150  aray of player1 names
char[10][15]   150  aray of player2 names



Integrity:
----------

PSUM:
for (PSUM = i = 0; i < Number_of_polygons; ++i)
  for (j = 0; j < Polygon[i].Number_of_vertice; ++j)
    PSUM += Polygon[i].Vertex[j].x + Polygon[i].Vertex[j].y;

OSUM:
for (OSUM = i = 0; i < Number_of_objects; ++i)
  OSUM += Object[i].x + Object[i].y + Object[i].type;

PICSUM:
for (PICSUM = i = 0; i < Number_of_pictures; ++i)
  PICSUM += Picture[i].x + Picture[i].y;

SUM = (PSUM + OSUM + PICSUM) * 3247.764325643;

Integrity 1 = SUM;

Integrity 2 = ((double) (rand() % 5871)) + 11877 - SUM;

Integrity 3 = ((double) (rand() % 5871)) + 11877 - SUM;
if (topology errors in lev)
  Integrity 3 = ((double) (rand() % 4982)) + 20961 - SUM;

Integrity 4 = ((double) (rand() % 6102)) + 12112 - SUM;
if (locked)
  Integrity 4 = ((double) (rand() % 6310)) + 23090 - SUM;