hedgewars/uGearsHandlersRope.pas
author nemo
Sat, 25 Aug 2012 21:05:27 -0400
changeset 7606 adb1198ade36
parent 7605 10e88fbb5fdb
child 7607 0cae2a3e562c
permissions -rw-r--r--
another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     1
(*
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     2
 * Hedgewars, a free turn based strategy game
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     3
 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     4
 *
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     8
 *
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    12
 * GNU General Public License for more details.
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    13
 *
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    14
 * You should have received a copy of the GNU General Public License
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    15
 * along with this program; if not, write to the Free Software
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    17
 *)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    18
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    19
{$INCLUDE "options.inc"}
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    20
unit uGearsHandlersRope;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    21
interface
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    22
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    23
uses uTypes;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    24
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    25
procedure doStepRope(Gear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    26
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    27
implementation
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    28
uses uConsts, uFloat, uCollisions, uVariables, uGearsList, uSound, uGearsUtils,
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    29
    uAmmos, uDebug, uUtils, uGearsHedgehog, uGearsRender;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    30
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    31
procedure doStepRopeAfterAttack(Gear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    32
var 
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    33
    HHGear: PGear;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    34
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    35
    HHGear := Gear^.Hedgehog^.Gear;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    36
    if ((HHGear^.State and gstHHDriven) = 0)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    37
    or (CheckGearDrowning(HHGear))
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    38
    or (TestCollisionYwithGear(HHGear, 1) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    39
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    40
        DeleteGear(Gear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    41
        isCursorVisible := false;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    42
        ApplyAmmoChanges(HHGear^.Hedgehog^);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    43
        exit
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    44
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    45
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    46
    HedgehogChAngle(HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    47
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    48
    if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    49
        SetLittle(HHGear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    50
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    51
    if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    52
        HHGear^.dY := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    53
    HHGear^.X := HHGear^.X + HHGear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    54
    HHGear^.Y := HHGear^.Y + HHGear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    55
    HHGear^.dY := HHGear^.dY + cGravity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    56
    
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    57
    if (GameFlags and gfMoreWind) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    58
        HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    59
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    60
    if (Gear^.Message and gmAttack) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    61
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    62
        Gear^.X := HHGear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    63
        Gear^.Y := HHGear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    64
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    65
        ApplyAngleBounds(Gear^.Hedgehog^, amRope);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    66
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    67
        Gear^.dX := SignAs(AngleSin(HHGear^.Angle), HHGear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    68
        Gear^.dY := -AngleCos(HHGear^.Angle);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    69
        Gear^.Friction := _4_5 * cRopePercent;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    70
        Gear^.Elasticity := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    71
        Gear^.State := Gear^.State and (not gsttmpflag);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    72
        Gear^.doStep := @doStepRope;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    73
        end
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    74
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
    75
7605
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    76
procedure unstickHog(Gear, HHGear: PGear);
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    77
var i: LongInt;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    78
    stuck: Boolean;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    79
begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    80
    if (TestCollisionYwithGear(HHGear, 1) <> 0) and (TestCollisionYwithGear(HHGear, -1) = 0) then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    81
        begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    82
        i:= 1;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    83
        repeat
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    84
            begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    85
            inc(i);
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    86
            stuck:= TestCollisionYwithGear(HHGear, i) <> 0
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    87
            end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    88
        until (i = 8) or not stuck;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    89
        HHGear^.Y:= HHGear^.Y-int2hwFloat(pred(i));
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    90
        // experiment in simulating something the shoppa players apparently expect
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    91
        if Gear^.Message and gmDown <> 0 then
7606
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
    92
            HHGear^.dY.QWordValue:= 0;
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
    93
        if Gear^.Message and gmRight <> 0 then
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
    94
            HHGear^.dX.isNegative:= false
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
    95
        else if Gear^.Message and gmLeft <> 0 then
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
    96
            HHGear^.dX.isNegative:= true
7605
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    97
        end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    98
    else if (TestCollisionYwithGear(HHGear, -1) <> 0) and (TestCollisionYwithGear(HHGear, 1) = 0) then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
    99
        begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   100
        i:= -1;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   101
        repeat
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   102
            begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   103
            dec(i);
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   104
            stuck:= TestCollisionYwithGear(HHGear, i) <> 0
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   105
            end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   106
        until (i = -8) or not stuck;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   107
        HHGear^.Y:= HHGear^.Y-int2hwFloat(succ(i));
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   108
        if Gear^.Message and gmDown <> 0 then
7606
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
   109
            HHGear^.dY.QWordValue:= 0;
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
   110
        if Gear^.Message and gmRight <> 0 then
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
   111
            HHGear^.dX.isNegative:= false
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
   112
        else if Gear^.Message and gmLeft <> 0 then
adb1198ade36 another shot in the dark. let's assume they expect to control their direction as well. this might be the *wrong* direction...
nemo
parents: 7605
diff changeset
   113
            HHGear^.dX.isNegative:= true
7605
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   114
        end;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   115
    if TestCollisionXwithGear(HHGear, 1) and not TestCollisionXwithGear(HHGear, -1) then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   116
        begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   117
        i:= 1;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   118
        repeat
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   119
            begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   120
            inc(i);
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   121
            stuck:= TestCollisionXwithGear(HHGear, i)
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   122
            end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   123
        until (i = 8) or not stuck;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   124
        HHGear^.X:= HHGear^.X-int2hwFloat(pred(i));
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   125
        if Gear^.Message and gmDown <> 0 then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   126
            HHGear^.dX.QWordValue:= 0
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   127
        end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   128
    else if TestCollisionXwithGear(HHGear, -1) and not TestCollisionXwithGear(HHGear, 1) then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   129
        begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   130
        i:= -1;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   131
        repeat
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   132
            begin
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   133
            dec(i);
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   134
            stuck:= TestCollisionXwithGear(HHGear, i)
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   135
            end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   136
        until (i = -8) or not stuck;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   137
        HHGear^.X:= HHGear^.X-int2hwFloat(succ(i));
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   138
        if Gear^.Message and gmDown <> 0 then
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   139
            HHGear^.dX.QWordValue:= 0
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   140
        end
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   141
end;
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   142
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   143
procedure RopeDeleteMe(Gear, HHGear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   144
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   145
    PlaySound(sndRopeRelease);
7602
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   146
    HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue div Gear^.stepFreq;
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   147
    HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue div Gear^.stepFreq;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   148
    with HHGear^ do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   149
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   150
        Message := Message and (not gmAttack);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   151
        State := (State or gstMoving) and (not gstWinner);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   152
        end;
7605
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   153
    unstickHog(Gear, HHGear);
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   154
    DeleteGear(Gear)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   155
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   156
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   157
procedure RopeWaitCollision(Gear, HHGear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   158
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   159
    PlaySound(sndRopeRelease);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   160
    with HHGear^ do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   161
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   162
        Message := Message and (not gmAttack);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   163
        State := State or gstMoving;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   164
        end;
7605
10e88fbb5fdb hack for shoppa players, take 2. take into account sides, and a guess that a "slide" involves no upward movement
nemo
parents: 7604
diff changeset
   165
    unstickHog(Gear, HHGear);
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   166
    RopePoints.Count := 0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   167
    Gear^.Elasticity := _0;
7602
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   168
    Gear^.doStep := @doStepRopeAfterAttack;
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   169
    HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue div Gear^.stepFreq;
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   170
    HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue div Gear^.stepFreq;
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   171
    Gear^.stepFreq := 1
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   172
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   173
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   174
procedure doStepRopeWork(Gear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   175
var 
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   176
    HHGear: PGear;
7595
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   177
    len, tx, ty, nx, ny, ropeDx, ropeDy, mdX, mdY, t: hwFloat;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   178
    lx, ly, cd, i: LongInt;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   179
    haveCollision,
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   180
    haveDivided: boolean;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   181
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   182
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   183
    if GameTicks mod 8 <> 0 then exit;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   184
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   185
    HHGear := Gear^.Hedgehog^.Gear;
7595
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   186
    haveCollision:= false;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   187
    if (Gear^.Message and gmLeft  <> 0) and (not TestCollisionXwithGear(HHGear, -1)) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   188
        HHGear^.dX := HHGear^.dX - _0_0128
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   189
    else haveCollision:= true;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   190
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   191
    if (Gear^.Message and gmRight <> 0) and (not TestCollisionXwithGear(HHGear,  1)) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   192
        HHGear^.dX := HHGear^.dX + _0_0128
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   193
    else haveCollision:= true;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   194
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   195
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   196
    if ((HHGear^.State and gstHHDriven) = 0)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   197
       or (CheckGearDrowning(HHGear)) or (Gear^.PortalCounter <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   198
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   199
        RopeDeleteMe(Gear, HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   200
        exit
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   201
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   202
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   203
    // vector between hedgehog and rope attaching point
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   204
    ropeDx := HHGear^.X - Gear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   205
    ropeDy := HHGear^.Y - Gear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   206
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   207
    if TestCollisionYwithGear(HHGear, 1) = 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   208
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   209
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   210
        // depending on the rope vector we know which X-side to check for collision
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   211
        // in order to find out if the hog can still be moved by gravity
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   212
        if ropeDx.isNegative = RopeDy.IsNegative then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   213
            cd:= -1
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   214
        else
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   215
            cd:= 1;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   216
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   217
        // apply gravity if there is no obstacle
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   218
        if not TestCollisionXwithGear(HHGear, cd) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   219
            HHGear^.dY := HHGear^.dY + cGravity * 64;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   220
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   221
        if (GameFlags and gfMoreWind) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   222
            // apply wind if there's no obstacle
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   223
            if not TestCollisionXwithGear(HHGear, hwSign(cWindSpeed)) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   224
                HHGear^.dX := HHGear^.dX + cWindSpeed * 64 / HHGear^.Density;
7595
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   225
        end
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   226
    else haveCollision:= true;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   227
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   228
    if ((Gear^.Message and gmDown) <> 0) and (Gear^.Elasticity < Gear^.Friction) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   229
        if not (TestCollisionXwithGear(HHGear, hwSign(ropeDx))
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   230
        or (TestCollisionYwithGear(HHGear, hwSign(ropeDy)) <> 0)) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   231
            Gear^.Elasticity := Gear^.Elasticity + _2_4
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   232
    else haveCollision:= true;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   233
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   234
    if ((Gear^.Message and gmUp) <> 0) and (Gear^.Elasticity > _30) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   235
        if not (TestCollisionXwithGear(HHGear, -hwSign(ropeDx))
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   236
        or (TestCollisionYwithGear(HHGear, -hwSign(ropeDy)) <> 0)) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   237
            Gear^.Elasticity := Gear^.Elasticity - _2_4
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   238
    else haveCollision:= true;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   239
7604
c143c942b5fe Hack to try and appease the shoppa players
nemo
parents: 7602
diff changeset
   240
(*
c143c942b5fe Hack to try and appease the shoppa players
nemo
parents: 7602
diff changeset
   241
I am not so sure this is useful. Disabling
7595
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   242
    if haveCollision then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   243
        begin
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   244
        if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) and not TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   245
            HHGear^.dX.isNegative:= not HHGear^.dX.isNegative;
bbac3c0f0c68 Hey. How's this? It makes it harder to get stuck in the vertical rope position, prevents the wall trick, and also I think makes it easier to unglue a horizontal rope?
nemo
parents: 7594
diff changeset
   246
        if (TestCollisionYwithGear(HHGear, hwSign(HHGear^.dY)) <> 0) and (TestCollisionYwithGear(HHGear, -hwSign(HHGear^.dY)) = 0) then
7596
nemo
parents: 7595
diff changeset
   247
            HHGear^.dY.isNegative:= not HHGear^.dY.isNegative;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   248
        end;
7604
c143c942b5fe Hack to try and appease the shoppa players
nemo
parents: 7602
diff changeset
   249
*)
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   250
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   251
    mdX := ropeDx + HHGear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   252
    mdY := ropeDy + HHGear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   253
    len := _1 / Distance(mdX, mdY);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   254
    // rope vector plus hedgehog direction vector normalized
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   255
    mdX := mdX * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   256
    mdY := mdY * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   257
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   258
    // for visual purposes only
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   259
    Gear^.dX := mdX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   260
    Gear^.dY := mdY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   261
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   262
    /////
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   263
    tx := HHGear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   264
    ty := HHGear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   265
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   266
    HHGear^.X := Gear^.X + mdX * Gear^.Elasticity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   267
    HHGear^.Y := Gear^.Y + mdY * Gear^.Elasticity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   268
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   269
    HHGear^.dX := HHGear^.X - tx;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   270
    HHGear^.dY := HHGear^.Y - ty;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   271
    ////
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   272
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   273
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   274
    haveDivided := false;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   275
    // check whether rope needs dividing
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   276
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   277
    len := Gear^.Elasticity - _5;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   278
    nx := Gear^.X + mdX * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   279
    ny := Gear^.Y + mdY * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   280
    tx := mdX * _2_4; // should be the same as increase step
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   281
    ty := mdY * _2_4;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   282
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   283
    while len > _3 do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   284
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   285
        lx := hwRound(nx);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   286
        ly := hwRound(ny);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   287
        if ((ly and LAND_HEIGHT_MASK) = 0) and ((lx and LAND_WIDTH_MASK) = 0) and ((Land[ly, lx] and $FF00) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   288
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   289
            ny := _1 / Distance(ropeDx, ropeDy);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   290
            // old rope pos
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   291
            nx := ropeDx * ny;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   292
            ny := ropeDy * ny;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   293
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   294
            with RopePoints.ar[RopePoints.Count] do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   295
                begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   296
                X := Gear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   297
                Y := Gear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   298
                if RopePoints.Count = 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   299
                    RopePoints.HookAngle := DxDy2Angle(Gear^.dY, Gear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   300
                b := (nx * HHGear^.dY) > (ny * HHGear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   301
                dLen := len
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   302
                end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   303
                
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   304
            with RopePoints.rounded[RopePoints.Count] do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   305
                begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   306
                X := hwRound(Gear^.X);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   307
                Y := hwRound(Gear^.Y);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   308
                end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   309
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   310
            Gear^.X := Gear^.X + nx * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   311
            Gear^.Y := Gear^.Y + ny * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   312
            inc(RopePoints.Count);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   313
            TryDo(RopePoints.Count <= MAXROPEPOINTS, 'Rope points overflow', true);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   314
            Gear^.Elasticity := Gear^.Elasticity - len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   315
            Gear^.Friction := Gear^.Friction - len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   316
            haveDivided := true;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   317
            break
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   318
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   319
        nx := nx - tx;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   320
        ny := ny - ty;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   321
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   322
        // len := len - _2_4 // should be the same as increase step
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   323
        len.QWordValue := len.QWordValue - _2_4.QWordValue;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   324
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   325
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   326
    if not haveDivided then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   327
        if RopePoints.Count > 0 then // check whether the last dividing point could be removed
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   328
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   329
            tx := RopePoints.ar[Pred(RopePoints.Count)].X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   330
            ty := RopePoints.ar[Pred(RopePoints.Count)].Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   331
            mdX := tx - Gear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   332
            mdY := ty - Gear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   333
            if RopePoints.ar[Pred(RopePoints.Count)].b xor (mdX * (ty - HHGear^.Y) > (tx - HHGear^.X) * mdY) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   334
                begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   335
                dec(RopePoints.Count);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   336
                Gear^.X := RopePoints.ar[RopePoints.Count].X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   337
                Gear^.Y := RopePoints.ar[RopePoints.Count].Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   338
                Gear^.Elasticity := Gear^.Elasticity + RopePoints.ar[RopePoints.Count].dLen;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   339
                Gear^.Friction := Gear^.Friction + RopePoints.ar[RopePoints.Count].dLen;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   340
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   341
                // restore hog position
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   342
                len := _1 / Distance(mdX, mdY);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   343
                mdX := mdX * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   344
                mdY := mdY * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   345
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   346
                HHGear^.X := Gear^.X - mdX * Gear^.Elasticity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   347
                HHGear^.Y := Gear^.Y - mdY * Gear^.Elasticity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   348
                end
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   349
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   350
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   351
    haveCollision := false;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   352
    if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   353
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   354
        HHGear^.dX := -_0_6 * HHGear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   355
        haveCollision := true
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   356
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   357
    if TestCollisionYwithGear(HHGear, hwSign(HHGear^.dY)) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   358
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   359
        HHGear^.dY := -_0_6 * HHGear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   360
        haveCollision := true
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   361
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   362
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   363
    if haveCollision and (Gear^.Message and (gmLeft or gmRight) <> 0) and (Gear^.Message and (gmUp or gmDown) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   364
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   365
        HHGear^.dX := SignAs(hwAbs(HHGear^.dX) + _1_6, HHGear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   366
        HHGear^.dY := SignAs(hwAbs(HHGear^.dY) + _1_6, HHGear^.dY)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   367
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   368
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   369
    len := hwSqr(HHGear^.dX) + hwSqr(HHGear^.dY);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   370
    if len > _49 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   371
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   372
        len := _7 / hwSqrt(len);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   373
        HHGear^.dX := HHGear^.dX * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   374
        HHGear^.dY := HHGear^.dY * len;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   375
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   376
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   377
    haveCollision:= ((hwRound(Gear^.Y) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X) and LAND_WIDTH_MASK) = 0) and ((Land[hwRound(Gear^.Y), hwRound(Gear^.X)]) <> 0);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   378
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   379
    if not haveCollision then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   380
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   381
        // backup gear location
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   382
        tx:= Gear^.X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   383
        ty:= Gear^.Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   384
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   385
        if RopePoints.Count > 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   386
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   387
            // set gear location to the remote end of the rope, the attachment point
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   388
            Gear^.X:= RopePoints.ar[0].X;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   389
            Gear^.Y:= RopePoints.ar[0].Y;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   390
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   391
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   392
        CheckCollision(Gear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   393
        // if we haven't found any collision yet then check the other side too
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   394
        if (Gear^.State and gstCollision) = 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   395
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   396
            Gear^.dX.isNegative:= not Gear^.dX.isNegative;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   397
            Gear^.dY.isNegative:= not Gear^.dY.isNegative;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   398
            CheckCollision(Gear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   399
            Gear^.dX.isNegative:= not Gear^.dX.isNegative;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   400
            Gear^.dY.isNegative:= not Gear^.dY.isNegative;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   401
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   402
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   403
        haveCollision:= (Gear^.State and gstCollision) <> 0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   404
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   405
        // restore gear location
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   406
        Gear^.X:= tx;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   407
        Gear^.Y:= ty;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   408
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   409
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   410
    // if the attack key is pressed, lose rope contact as well
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   411
    if (Gear^.Message and gmAttack) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   412
        haveCollision:= false;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   413
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   414
    if not haveCollision then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   415
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   416
        if (Gear^.State and gsttmpFlag) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   417
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   418
            if Gear^.Hedgehog^.CurAmmoType <> amParachute then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   419
                RopeWaitCollision(Gear, HHGear)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   420
            else
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   421
                RopeDeleteMe(Gear, HHGear)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   422
            end
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   423
        end
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   424
    else
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   425
        if (Gear^.State and gsttmpFlag) = 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   426
            Gear^.State := Gear^.State or gsttmpFlag;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   427
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   428
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   429
procedure RopeRemoveFromAmmo(Gear, HHGear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   430
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   431
    if (Gear^.State and gstAttacked) = 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   432
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   433
        OnUsedAmmo(HHGear^.Hedgehog^);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   434
        Gear^.State := Gear^.State or gstAttacked
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   435
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   436
    ApplyAmmoChanges(HHGear^.Hedgehog^)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   437
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   438
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   439
procedure doStepRopeAttach(Gear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   440
var 
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   441
    HHGear: PGear;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   442
    tx, ty, tt: hwFloat;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   443
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   444
    Gear^.X := Gear^.X - Gear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   445
    Gear^.Y := Gear^.Y - Gear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   446
    Gear^.Elasticity := Gear^.Elasticity + _1;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   447
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   448
    HHGear := Gear^.Hedgehog^.Gear;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   449
    DeleteCI(HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   450
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   451
    if (HHGear^.State and gstMoving) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   452
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   453
        if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   454
            SetLittle(HHGear^.dX);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   455
        if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   456
            HHGear^.dY := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   457
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   458
        HHGear^.X := HHGear^.X + HHGear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   459
        Gear^.X := Gear^.X + HHGear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   460
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   461
        if TestCollisionYwithGear(HHGear, 1) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   462
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   463
            CheckHHDamage(HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   464
            HHGear^.dY := _0
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   465
            //HHGear^.State:= HHGear^.State and (not (gstHHJumping or gstHHHJump));
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   466
            end
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   467
        else
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   468
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   469
            HHGear^.Y := HHGear^.Y + HHGear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   470
            Gear^.Y := Gear^.Y + HHGear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   471
            HHGear^.dY := HHGear^.dY + cGravity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   472
            if (GameFlags and gfMoreWind) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   473
                HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   474
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   475
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   476
        tt := Gear^.Elasticity;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   477
        tx := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   478
        ty := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   479
        while tt > _20 do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   480
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   481
            if ((hwRound(Gear^.Y+ty) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X+tx) and LAND_WIDTH_MASK) = 0) and ((Land[hwRound(Gear^.Y+ty), hwRound(Gear^.X+tx)] and $FF00) <> 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   482
                begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   483
                Gear^.X := Gear^.X + tx;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   484
                Gear^.Y := Gear^.Y + ty;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   485
                Gear^.Elasticity := tt;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   486
                Gear^.doStep := @doStepRopeWork;
7602
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   487
                Gear^.stepFreq:= 8;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   488
                PlaySound(sndRopeAttach);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   489
                with HHGear^ do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   490
                    begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   491
                    dX.QWordValue:= dX.QWordValue shl 3;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   492
                    dY.QWordValue:= dY.QWordValue shl 3;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   493
                    State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   494
                    Message := Message and (not gmAttack)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   495
                    end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   496
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   497
                RopeRemoveFromAmmo(Gear, HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   498
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   499
                tt := _0;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   500
                exit
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   501
                end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   502
            tx := tx + Gear^.dX + Gear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   503
            ty := ty + Gear^.dY + Gear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   504
            tt := tt - _2;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   505
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   506
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   507
7601
c96ff1a053d0 Allow escaping from tight spots
nemo
parents: 7596
diff changeset
   508
    if Gear^.Elasticity < _20 then Gear^.CollisionMask:= $FF00
c96ff1a053d0 Allow escaping from tight spots
nemo
parents: 7596
diff changeset
   509
    else Gear^.CollisionMask:= $FF7F;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   510
    CheckCollision(Gear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   511
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   512
    if (Gear^.State and gstCollision) <> 0 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   513
        if Gear^.Elasticity < _10 then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   514
            Gear^.Elasticity := _10000
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   515
    else
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   516
        begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   517
        Gear^.doStep := @doStepRopeWork;
7602
a620319d377e Fix throwing things off rope, also make throwing things a bit more generic and gear density dependent (so you can throw mines further, and also throw dynamite a little).
nemo
parents: 7601
diff changeset
   518
        Gear^.stepFreq:= 8;
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   519
        PlaySound(sndRopeAttach);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   520
        with HHGear^ do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   521
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   522
            dX.QWordValue:= dX.QWordValue shl 3;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   523
            dY.QWordValue:= dY.QWordValue shl 3;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   524
            State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   525
            Message := Message and (not gmAttack)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   526
            end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   527
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   528
        RopeRemoveFromAmmo(Gear, HHGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   529
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   530
        exit
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   531
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   532
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   533
    if (Gear^.Elasticity > Gear^.Friction)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   534
        or ((Gear^.Message and gmAttack) = 0)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   535
        or ((HHGear^.State and gstHHDriven) = 0)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   536
        or (HHGear^.Damage > 0) then
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   537
            begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   538
            with Gear^.Hedgehog^.Gear^ do
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   539
                begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   540
                State := State and (not gstAttacking);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   541
                Message := Message and (not gmAttack)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   542
                end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   543
        DeleteGear(Gear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   544
        exit;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   545
        end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   546
    if CheckGearDrowning(HHGear) then DeleteGear(Gear)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   547
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   548
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   549
procedure doStepRope(Gear: PGear);
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   550
begin
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   551
    Gear^.dX := - Gear^.dX;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   552
    Gear^.dY := - Gear^.dY;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   553
    Gear^.doStep := @doStepRopeAttach;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   554
    PlaySound(sndRopeShot)
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   555
end;
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   556
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   557
end.