hedgewars/uLandGenMaze.pas
author Wuzzy <Wuzzy2@mail.ru>
Fri, 03 Aug 2018 00:39:50 +0200
changeset 13612 212036414957
parent 11051 3996500fd1e5
permissions -rw-r--r--
Make cake bounce off bounce edge, stop cake at wrap edge to prevent other bug The "other bug" is that the cake just walks through terrain when it hits the wrap world edge. This behaviour is even worse.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
9009
f8e9d1147dd8 Ehm... fix 'uLandGenMaze.pas(18,19) Fatal: (2003) Syntax error, ")" expected but "identifier A" found' error encountered by one of the users O_o
unc0rr
parents: 6580
diff changeset
     1
{$INCLUDE "options.inc"}
f8e9d1147dd8 Ehm... fix 'uLandGenMaze.pas(18,19) Fatal: (2003) Syntax error, ")" expected but "identifier A" found' error encountered by one of the users O_o
unc0rr
parents: 6580
diff changeset
     2
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     3
unit uLandGenMaze;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     4
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     5
interface
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     6
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     7
procedure GenMaze;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     8
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
     9
implementation
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    10
10477
b219c5a2317f Fiddling with slider, unbreak maze. Next to mess around w/ perlin params.
nemo
parents: 10389
diff changeset
    11
uses uRandom, uLandOutline, uLandTemplates, uVariables, uFloat, uConsts, uLandGenTemplateBased, uUtils;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    12
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    13
type direction = record x, y: LongInt; end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    14
const DIR_N: direction = (x: 0; y: -1);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    15
    DIR_E: direction = (x: 1; y: 0);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    16
    DIR_S: direction = (x: 0; y: 1);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    17
    DIR_W: direction = (x: -1; y: 0);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    18
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    19
operator = (const a, b: direction) c: Boolean;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    20
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    21
    c := (a.x = b.x) and (a.y = b.y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    22
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    23
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    24
const small_cell_size = 128;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    25
    medium_cell_size = 192;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    26
    large_cell_size = 256;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    27
    braidness = 10;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    28
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    29
type
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    30
   cell_t = record x,y         : LongInt
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    31
        end;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    32
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    33
var x, y               : LongInt;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    34
    cellsize               : LongInt; //selected by the user in the gui
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    35
    seen_cells_x, seen_cells_y : LongInt; //number of cells that can be visited by the generator, that is every second cell in x and y direction. the cells between there are walls that will be removed when we move from one cell to another
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    36
    num_edges_x, num_edges_y   : LongInt; //number of resulting edges that need to be vertexificated
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    37
    num_cells_x, num_cells_y   : LongInt; //actual number of cells, depending on cell size
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    38
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    39
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    40
    seen_list              : array of array of LongInt;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    41
    xwalls             : array of array of Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    42
    ywalls             : array of array of Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    43
    x_edge_list            : array of array of Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    44
    y_edge_list            : array of array of Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    45
    maze               : array of array of Boolean;
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    46
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    47
    pa                 : TPixAr;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    48
    num_vertices           : LongInt;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    49
    off_y              : LongInt;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    50
    num_steps              : LongInt;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    51
    current_step           : LongInt;
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    52
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    53
    step_done              : array of Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    54
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    55
    done               : Boolean;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    56
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    57
{   last_cell              : array 0..3 of record x, y :LongInt ; end;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    58
    came_from              : array of array of record x, y: LongInt; end;
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    59
    came_from_pos          : array of LongInt;
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    60
}
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    61
    last_cell : array of cell_t;
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
    62
    came_from : array of array of cell_t;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    63
    came_from_pos: array of LongInt;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    64
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
    65
    maze_inverted                      : Boolean;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    66
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    67
function when_seen(x: LongInt; y: LongInt): LongInt;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    68
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    69
if (x < 0) or (x >= seen_cells_x) or (y < 0) or (y >= seen_cells_y) then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    70
    when_seen := current_step
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    71
else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    72
    when_seen := seen_list[x, y];
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    73
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    74
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    75
function is_x_edge(x, y: LongInt): Boolean;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    76
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    77
if (x < 0) or (x > num_edges_x) or (y < 0) or (y > num_cells_y) then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    78
    is_x_edge := false
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    79
else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    80
    is_x_edge := x_edge_list[x, y];
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    81
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    82
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    83
function is_y_edge(x, y: LongInt): Boolean;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    84
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    85
if (x < 0) or (x > num_cells_x) or (y < 0) or (y > num_edges_y) then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    86
    is_y_edge := false
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    87
else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    88
    is_y_edge := y_edge_list[x, y];
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    89
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    90
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    91
procedure see_cell;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    92
var dir: direction;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    93
    tries: LongInt;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    94
    x, y: LongInt;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    95
    found_cell: Boolean;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    96
    next_dir_clockwise: Boolean;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    97
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    98
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
    99
x := last_cell[current_step].x;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   100
y := last_cell[current_step].y;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   101
seen_list[x, y] := current_step;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   102
case GetRandom(4) of
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   103
    0: dir := DIR_N;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   104
    1: dir := DIR_E;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   105
    2: dir := DIR_S;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   106
    3: dir := DIR_W;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   107
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   108
tries := 0;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   109
found_cell := false;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   110
if getrandom(2) = 1 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   111
    next_dir_clockwise := true
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   112
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   113
    next_dir_clockwise := false;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   114
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   115
while (tries < 5) and (not found_cell) do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   116
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   117
    if when_seen(x + dir.x, y + dir.y) = current_step then //we are seeing ourselves, try another direction
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   118
    begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   119
        //we have already seen the target cell, decide if we should remove the wall anyway
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   120
        //(or put a wall there if maze_inverted, but we are not doing that right now)
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
   121
        if (not maze_inverted) and (GetRandom(braidness) = 0) then
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   122
        //or just warn that inverted+braid+indestructible terrain != good idea
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   123
        begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   124
            case dir.x of
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   125
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   126
                -1:
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   127
                if x > 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   128
                    ywalls[x-1, y] := false;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   129
                1:
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   130
                if x < seen_cells_x - 1 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   131
                    ywalls[x, y] := false;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   132
            end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   133
            case dir.y of
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   134
                -1:
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   135
                if y > 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   136
                    xwalls[x, y-1] := false;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   137
                1:
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   138
                if y < seen_cells_y - 1 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   139
                    xwalls[x, y] := false;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   140
            end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   141
        end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   142
        if next_dir_clockwise then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   143
        begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   144
            if dir = DIR_N then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   145
                dir := DIR_E
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   146
            else if dir = DIR_E then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   147
                dir := DIR_S
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   148
            else if dir = DIR_S then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   149
                dir := DIR_W
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   150
            else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   151
                dir := DIR_N;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   152
        end
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   153
        else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   154
        begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   155
            if dir = DIR_N then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   156
                dir := DIR_W
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   157
            else if dir = DIR_E then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   158
                dir := DIR_N
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   159
            else if dir = DIR_S then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   160
                dir := DIR_E
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   161
            else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   162
                dir := DIR_S;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   163
        end
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   164
    end
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   165
    else if when_seen(x + dir.x, y + dir.y) = -1 then //cell was not seen yet, go there
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   166
        begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   167
        case dir.y of
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   168
            -1: xwalls[x, y-1] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   169
            1: xwalls[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   170
        end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   171
        case dir.x of
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   172
            -1: ywalls[x-1, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   173
            1: ywalls[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   174
        end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   175
        last_cell[current_step].x := x+dir.x;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   176
        last_cell[current_step].y := y+dir.y;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   177
        came_from_pos[current_step] := came_from_pos[current_step] + 1;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   178
        came_from[current_step, came_from_pos[current_step]].x := x;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   179
        came_from[current_step, came_from_pos[current_step]].y := y;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   180
        found_cell := true;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   181
        end
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   182
    else //we are seeing someone else, quit
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   183
        begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   184
        step_done[current_step] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   185
        found_cell := true;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   186
        end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   187
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   188
    tries := tries + 1;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   189
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   190
if not found_cell then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   191
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   192
    last_cell[current_step].x := came_from[current_step, came_from_pos[current_step]].x;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   193
    last_cell[current_step].y := came_from[current_step, came_from_pos[current_step]].y;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   194
    came_from_pos[current_step] := came_from_pos[current_step] - 1;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   195
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   196
    if came_from_pos[current_step] >= 0 then
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
   197
        see_cell()
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   198
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   199
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   200
        step_done[current_step] := true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   201
    end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   202
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   203
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   204
procedure add_vertex(x, y: LongInt);
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   205
var tmp_x, tmp_y, nx, ny: LongInt;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   206
begin
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   207
    if x = NTPX then
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   208
    begin
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   209
        if pa.ar[num_vertices - 6].x = NTPX then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   210
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   211
            num_vertices := num_vertices - 6;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   212
        end
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   213
        else
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   214
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   215
            pa.ar[num_vertices].x := NTPX;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   216
            pa.ar[num_vertices].y := 0;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   217
        end
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   218
    end
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   219
    else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   220
    begin
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   221
        if maze_inverted or (x mod 2 = 0) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   222
            tmp_x := cellsize
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   223
        else
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   224
            tmp_x := cellsize * 2 div 3;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   225
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   226
        if maze_inverted or (y mod 2 = 0) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   227
            tmp_y := cellsize
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   228
        else
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   229
            tmp_y := cellsize * 2 div 3;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   230
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   231
        nx:= (x-1)*cellsize + tmp_x;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   232
        ny:= (y-1)*cellsize + tmp_y + off_y;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   233
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   234
        if num_vertices > 2 then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   235
            if ((pa.ar[num_vertices - 2].x = pa.ar[num_vertices - 1].x) and (pa.ar[num_vertices - 1].x = nx))
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   236
                or ((pa.ar[num_vertices - 2].y = pa.ar[num_vertices - 1].y) and (pa.ar[num_vertices - 1].y = ny))
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   237
                then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   238
                dec(num_vertices);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   239
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   240
        pa.ar[num_vertices].x := nx;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   241
        pa.ar[num_vertices].y := ny;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   242
    end;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   243
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   244
    num_vertices := num_vertices + 1;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   245
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   246
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   247
procedure add_edge(x, y: LongInt; dir: direction);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   248
var i: LongInt;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   249
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   250
if dir = DIR_N then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   251
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   252
    dir := DIR_W
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   253
    end
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   254
else if dir = DIR_E then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   255
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   256
    dir := DIR_N
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   257
    end
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   258
else if dir = DIR_S then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   259
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   260
    dir := DIR_E
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   261
    end
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   262
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   263
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   264
    dir := DIR_S;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   265
    end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   266
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   267
for i := 0 to 3 do
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   268
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   269
    if dir = DIR_N then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   270
        dir := DIR_E
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   271
    else if dir = DIR_E then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   272
        dir := DIR_S
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   273
    else if dir = DIR_S then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   274
        dir := DIR_W
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   275
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   276
        dir := DIR_N;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   277
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   278
    if (dir = DIR_N) and is_x_edge(x, y) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   279
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   280
            x_edge_list[x, y] := false;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   281
            add_vertex(x+1, y);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   282
            add_edge(x, y-1, DIR_N);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   283
            break;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   284
        end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   285
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   286
    if (dir = DIR_E) and is_y_edge(x+1, y) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   287
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   288
            y_edge_list[x+1, y] := false;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   289
            add_vertex(x+2, y+1);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   290
            add_edge(x+1, y, DIR_E);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   291
            break;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   292
        end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   293
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   294
    if (dir = DIR_S) and is_x_edge(x, y+1) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   295
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   296
            x_edge_list[x, y+1] := false;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   297
            add_vertex(x+1, y+2);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   298
            add_edge(x, y+1, DIR_S);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   299
            break;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   300
        end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   301
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   302
    if (dir = DIR_W) and is_y_edge(x, y) then
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   303
        begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   304
            y_edge_list[x, y] := false;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   305
            add_vertex(x, y+1);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   306
            add_edge(x-1, y, DIR_W);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   307
            break;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   308
        end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   309
    end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   310
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   311
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   312
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   313
procedure GenMaze;
10494
0eb97cf4c78e Fix warnings given by 32-bit fpc
unC0Rr
parents: 10477
diff changeset
   314
var i: Longword;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   315
begin
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   316
case cTemplateFilter of
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   317
    0: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   318
       cellsize := small_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   319
       maze_inverted := false;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   320
       minDistance:= max(cFeatureSize*8,32);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   321
       dabDiv:= 150;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   322
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   323
    1: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   324
       cellsize := medium_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   325
       minDistance:= max(cFeatureSize*6,20);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   326
       maze_inverted := false;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   327
       dabDiv:= 100;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   328
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   329
    2: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   330
       cellsize := large_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   331
       minDistance:= max(cFeatureSize*5,12);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   332
       maze_inverted := false;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   333
       dabDiv:= 90;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   334
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   335
    3: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   336
       cellsize := small_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   337
       minDistance:= max(cFeatureSize*8,32);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   338
       maze_inverted := true;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   339
       dabDiv:= 130;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   340
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   341
    4: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   342
       cellsize := medium_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   343
       minDistance:= max(cFeatureSize*6,20);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   344
       maze_inverted := true;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   345
       dabDiv:= 100;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   346
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   347
    5: begin
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   348
       cellsize := large_cell_size;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   349
       minDistance:= max(cFeatureSize*5,12);
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   350
       maze_inverted := true;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   351
       dabDiv:= 85;
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   352
       end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   353
    end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   354
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   355
num_cells_x := LAND_WIDTH div cellsize;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   356
if not odd(num_cells_x) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   357
    num_cells_x := num_cells_x - 1; //needs to be odd
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   358
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   359
num_cells_y := LAND_HEIGHT div cellsize;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   360
if not odd(num_cells_y) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   361
    num_cells_y := num_cells_y - 1;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   362
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   363
num_edges_x := num_cells_x - 1;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   364
num_edges_y := num_cells_y - 1;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   365
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   366
seen_cells_x := num_cells_x div 2;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   367
seen_cells_y := num_cells_y div 2;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   368
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   369
if maze_inverted then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   370
    num_steps := 3 //TODO randomize, between 3 and 5?
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   371
else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   372
    num_steps := 1;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   373
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   374
SetLength(step_done, num_steps);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   375
SetLength(last_cell, num_steps);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   376
SetLength(came_from_pos, num_steps);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   377
SetLength(came_from, num_steps, num_cells_x*num_cells_y);
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
   378
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   379
done := false;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   380
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   381
for current_step := 0 to num_steps - 1 do
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   382
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   383
    step_done[current_step] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   384
    came_from_pos[current_step] := 0;
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   385
    end;
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
   386
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   387
current_step := 0;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   388
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 6580
diff changeset
   389
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   390
SetLength(seen_list, seen_cells_x, seen_cells_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   391
SetLength(xwalls, seen_cells_x, seen_cells_y - 1);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   392
SetLength(ywalls, seen_cells_x - 1, seen_cells_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   393
SetLength(x_edge_list, num_edges_x, num_cells_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   394
SetLength(y_edge_list, num_cells_x, num_edges_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   395
SetLength(maze, num_cells_x, num_cells_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   396
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9127
diff changeset
   397
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   398
num_vertices := 0;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   399
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   400
playHeight := num_cells_y * cellsize;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   401
playWidth := num_cells_x * cellsize;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   402
off_y := LAND_HEIGHT - playHeight;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   403
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   404
for x := 0 to playWidth do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   405
    for y := 0 to off_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   406
        Land[y, x] := 0;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   407
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   408
for x := 0 to playWidth do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   409
    for y := off_y to LAND_HEIGHT - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   410
        Land[y, x] := lfBasic;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   411
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   412
for y := 0 to num_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   413
    for x := 0 to num_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   414
        maze[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   415
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   416
for x := 0 to seen_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   417
    for y := 0 to seen_cells_y - 2 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   418
        xwalls[x, y] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   419
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   420
for x := 0 to seen_cells_x - 2 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   421
    for y := 0 to seen_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   422
        ywalls[x, y] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   423
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   424
for x := 0 to seen_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   425
    for y := 0 to seen_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   426
        seen_list[x, y] := -1;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   427
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   428
for x := 0 to num_edges_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   429
    for y := 0 to num_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   430
        x_edge_list[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   431
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   432
for x := 0 to num_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   433
    for y := 0 to num_edges_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   434
        y_edge_list[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   435
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   436
for current_step := 0 to num_steps-1 do
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   437
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   438
    x := GetRandom(seen_cells_x - 1) div LongWord(num_steps);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   439
    last_cell[current_step].x := x + current_step * seen_cells_x div num_steps;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   440
    last_cell[current_step].y := GetRandom(seen_cells_y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   441
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   442
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   443
while not done do
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   444
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   445
    done := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   446
    for current_step := 0 to num_steps-1 do
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   447
        begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   448
        if not step_done[current_step] then
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   449
            begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   450
            see_cell;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   451
            done := false;
11051
3996500fd1e5 just some indentation tweaks to help me read this while looking for possible causes of the iOS crasher
nemo
parents: 10501
diff changeset
   452
            end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   453
        end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   454
    end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   455
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   456
for x := 0 to seen_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   457
    for y := 0 to seen_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   458
        if seen_list[x, y] > -1 then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   459
            maze[(x+1)*2-1, (y+1)*2-1] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   460
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   461
for x := 0 to seen_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   462
    for y := 0 to seen_cells_y - 2 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   463
        if not xwalls[x, y] then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   464
            maze[x*2 + 1, y*2 + 2] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   465
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   466
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   467
for x := 0 to seen_cells_x - 2 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   468
     for y := 0 to seen_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   469
        if not ywalls[x, y] then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   470
            maze[x*2 + 2, y*2 + 1] := true;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   471
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   472
for x := 0 to num_edges_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   473
    for y := 0 to num_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   474
        if maze[x, y] xor maze[x+1, y] then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   475
            x_edge_list[x, y] := true
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   476
        else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   477
            x_edge_list[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   478
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   479
for x := 0 to num_cells_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   480
    for y := 0 to num_edges_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   481
        if maze[x, y] xor maze[x, y+1] then
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   482
            y_edge_list[x, y] := true
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   483
        else
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   484
            y_edge_list[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   485
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   486
for x := 0 to num_edges_x - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   487
    for y := 0 to num_cells_y - 1 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   488
        if x_edge_list[x, y] then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   489
            begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   490
            x_edge_list[x, y] := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   491
            add_vertex(x+1, y+1);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   492
            add_vertex(x+1, y);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   493
            add_edge(x, y-1, DIR_N);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   494
            add_vertex(NTPX, 0);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   495
            end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   496
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   497
pa.count := num_vertices;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   498
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   499
leftX:= 0;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   500
rightX:= playWidth;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   501
topY:= off_y;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   502
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   503
// fill point
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   504
pa.ar[pa.Count].x:= 1;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   505
pa.ar[pa.Count].y:= 1 + off_y;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   506
10389
2f5941a05656 comment out some debug output code
sheepluva
parents: 10387
diff changeset
   507
{
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   508
for i:= 0 to pa.Count - 1 do
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   509
    begin
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   510
        system.writeln(pa.ar[i].x, ', ', pa.ar[i].y);
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   511
    end;
10389
2f5941a05656 comment out some debug output code
sheepluva
parents: 10387
diff changeset
   512
}
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   513
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   514
// divide while it divides
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   515
repeat
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   516
    i:= pa.Count;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   517
    DivideEdges(1, pa)
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   518
until i = pa.Count;
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   519
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   520
// make it smooth
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   521
BezierizeEdge(pa, _0_2);
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   522
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   523
DrawEdge(pa, 0);
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   524
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   525
if maze_inverted then
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   526
    FillLand(1, 1 + off_y, 0, 0)
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   527
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   528
    begin
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   529
    x := 0;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   530
    while Land[cellsize div 2 + cellsize + off_y, x] = lfBasic do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   531
        x := x + 1;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   532
    while Land[cellsize div 2 + cellsize + off_y, x] = 0 do
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   533
        x := x + 1;
10189
875607ce793d - Rework FillLand
unc0rr
parents: 10015
diff changeset
   534
    FillLand(x+1, cellsize div 2 + cellsize + off_y, 0, 0);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   535
    end;
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   536
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   537
MaxHedgehogs:= 32;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   538
if (GameFlags and gfDisableGirders) <> 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   539
    hasGirders:= false
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   540
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6490
diff changeset
   541
    hasGirders := true;
10387
cb17b79844b5 Apply new distortion on maze gen
unc0rr
parents: 10189
diff changeset
   542
6490
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   543
hasBorder := false;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   544
end;
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   545
531bf083e8db - Give uLand more modularity
unc0rr
parents:
diff changeset
   546
end.