hedgewars/uGearsHandlersRope.pas
author vitiv <nikita.utiu@gmail.com>
Mon, 31 Dec 2012 12:12:23 +0200
changeset 8350 14b938faec69
parent 7674 aead327f1e1a
child 8397 5b273af3ac95
permissions -rw-r--r--
merged changes
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7660
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     1
(*
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     2
 * Hedgewars, a free turn based strategy game
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     3
 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     4
 *
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     8
 *
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    12
 * GNU General Public License for more details.
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    13
 *
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    14
 * You should have received a copy of the GNU General Public License
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    15
 * along with this program; if not, write to the Free Software
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    17
 *)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    18
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    19
{$INCLUDE "options.inc"}
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    20
unit uGearsHandlersRope;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    21
interface
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    22
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    23
uses uTypes;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    24
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    25
procedure doStepRope(Gear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    26
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    27
implementation
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    28
uses uConsts, uFloat, uCollisions, uVariables, uGearsList, uSound, uGearsUtils,
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    29
    uAmmos, uDebug, uUtils, uGearsHedgehog, uGearsRender;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    30
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    31
procedure doStepRopeAfterAttack(Gear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    32
var 
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    33
    HHGear: PGear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    34
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    35
    HHGear := Gear^.Hedgehog^.Gear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    36
    if ((HHGear^.State and gstHHDriven) = 0)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    37
    or (CheckGearDrowning(HHGear))
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    38
    or (TestCollisionYwithGear(HHGear, 1) <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    39
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    40
        DeleteGear(Gear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    41
        isCursorVisible := false;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    42
        ApplyAmmoChanges(HHGear^.Hedgehog^);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    43
        exit
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    44
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    45
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    46
    HedgehogChAngle(HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    47
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    48
    if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    49
        SetLittle(HHGear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    50
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    51
    if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    52
        HHGear^.dY := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    53
    HHGear^.X := HHGear^.X + HHGear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    54
    HHGear^.Y := HHGear^.Y + HHGear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    55
    HHGear^.dY := HHGear^.dY + cGravity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    56
    
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    57
    if (GameFlags and gfMoreWind) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    58
        HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    59
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    60
    if (Gear^.Message and gmAttack) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    61
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    62
        Gear^.X := HHGear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    63
        Gear^.Y := HHGear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    64
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    65
        ApplyAngleBounds(Gear^.Hedgehog^, amRope);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    66
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    67
        Gear^.dX := SignAs(AngleSin(HHGear^.Angle), HHGear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    68
        Gear^.dY := -AngleCos(HHGear^.Angle);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    69
        Gear^.Friction := _4_5 * cRopePercent;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    70
        Gear^.Elasticity := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    71
        Gear^.State := Gear^.State and (not gsttmpflag);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    72
        Gear^.doStep := @doStepRope;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    73
        end
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    74
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    75
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    76
procedure RopeDeleteMe(Gear, HHGear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    77
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    78
    with HHGear^ do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    79
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    80
        Message := Message and (not gmAttack);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    81
        State := (State or gstMoving) and (not gstWinner);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    82
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    83
    DeleteGear(Gear)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    84
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    85
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    86
procedure RopeWaitCollision(Gear, HHGear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    87
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    88
    with HHGear^ do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    89
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    90
        Message := Message and (not gmAttack);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    91
        State := State or gstMoving;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    92
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    93
    RopePoints.Count := 0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    94
    Gear^.Elasticity := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    95
    Gear^.doStep := @doStepRopeAfterAttack
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    96
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    97
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    98
procedure doStepRopeWork(Gear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
    99
var 
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   100
    HHGear: PGear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   101
    len, tx, ty, nx, ny, ropeDx, ropeDy, mdX, mdY: hwFloat;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   102
    lx, ly, cd: LongInt;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   103
    haveCollision,
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   104
    haveDivided: boolean;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   105
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   106
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   107
    if GameTicks mod 4 <> 0 then exit;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   108
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   109
    HHGear := Gear^.Hedgehog^.Gear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   110
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   111
    if ((HHGear^.State and gstHHDriven) = 0)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   112
       or (CheckGearDrowning(HHGear)) or (Gear^.PortalCounter <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   113
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   114
        PlaySound(sndRopeRelease);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   115
        RopeDeleteMe(Gear, HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   116
        exit
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   117
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   118
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   119
    HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue shl 2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   120
    HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue shl 2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   121
    if (Gear^.Message and gmLeft  <> 0) and (not TestCollisionXwithGear(HHGear, -1)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   122
        HHGear^.dX := HHGear^.dX - _0_0032;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   123
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   124
    if (Gear^.Message and gmRight <> 0) and (not TestCollisionXwithGear(HHGear,  1)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   125
        HHGear^.dX := HHGear^.dX + _0_0032;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   126
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   127
    // vector between hedgehog and rope attaching point
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   128
    ropeDx := HHGear^.X - Gear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   129
    ropeDy := HHGear^.Y - Gear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   130
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   131
    if TestCollisionYwithGear(HHGear, 1) = 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   132
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   133
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   134
        // depending on the rope vector we know which X-side to check for collision
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   135
        // in order to find out if the hog can still be moved by gravity
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   136
        if ropeDx.isNegative = RopeDy.IsNegative then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   137
            cd:= -1
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   138
        else
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   139
            cd:= 1;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   140
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   141
        // apply gravity if there is no obstacle
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   142
        if not TestCollisionXwithGear(HHGear, cd) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   143
            HHGear^.dY := HHGear^.dY + cGravity * 16;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   144
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   145
        if (GameFlags and gfMoreWind) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   146
            // apply wind if there's no obstacle
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   147
            if not TestCollisionXwithGear(HHGear, hwSign(cWindSpeed)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   148
                HHGear^.dX := HHGear^.dX + cWindSpeed * 16 / HHGear^.Density;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   149
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   150
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   151
    mdX := ropeDx + HHGear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   152
    mdY := ropeDy + HHGear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   153
    len := _1 / Distance(mdX, mdY);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   154
    // rope vector plus hedgehog direction vector normalized
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   155
    mdX := mdX * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   156
    mdY := mdY * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   157
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   158
    // for visual purposes only
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   159
    Gear^.dX := mdX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   160
    Gear^.dY := mdY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   161
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   162
    /////
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   163
    tx := HHGear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   164
    ty := HHGear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   165
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   166
    if ((Gear^.Message and gmDown) <> 0) and (Gear^.Elasticity < Gear^.Friction) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   167
        if not (TestCollisionXwithGear(HHGear, hwSign(ropeDx))
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   168
        or (TestCollisionYwithGear(HHGear, hwSign(ropeDy)) <> 0)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   169
            Gear^.Elasticity := Gear^.Elasticity + _1_2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   170
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   171
    if ((Gear^.Message and gmUp) <> 0) and (Gear^.Elasticity > _30) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   172
        if not (TestCollisionXwithGear(HHGear, -hwSign(ropeDx))
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   173
        or (TestCollisionYwithGear(HHGear, -hwSign(ropeDy)) <> 0)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   174
            Gear^.Elasticity := Gear^.Elasticity - _1_2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   175
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   176
    HHGear^.X := Gear^.X + mdX * Gear^.Elasticity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   177
    HHGear^.Y := Gear^.Y + mdY * Gear^.Elasticity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   178
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   179
    HHGear^.dX := HHGear^.X - tx;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   180
    HHGear^.dY := HHGear^.Y - ty;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   181
    ////
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   182
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   183
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   184
    haveDivided := false;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   185
    // check whether rope needs dividing
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   186
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   187
    len := Gear^.Elasticity - _5;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   188
    nx := Gear^.X + mdX * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   189
    ny := Gear^.Y + mdY * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   190
    tx := mdX * _1_2; // should be the same as increase step
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   191
    ty := mdY * _1_2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   192
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   193
    while len > _3 do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   194
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   195
        lx := hwRound(nx);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   196
        ly := hwRound(ny);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   197
        if ((ly and LAND_HEIGHT_MASK) = 0) and ((lx and LAND_WIDTH_MASK) = 0) and ((Land[ly, lx] and $FF00) <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   198
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   199
            ny := _1 / Distance(ropeDx, ropeDy);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   200
            // old rope pos
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   201
            nx := ropeDx * ny;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   202
            ny := ropeDy * ny;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   203
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   204
            with RopePoints.ar[RopePoints.Count] do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   205
                begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   206
                X := Gear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   207
                Y := Gear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   208
                if RopePoints.Count = 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   209
                    RopePoints.HookAngle := DxDy2Angle(Gear^.dY, Gear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   210
                b := (nx * HHGear^.dY) > (ny * HHGear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   211
                dLen := len
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   212
                end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   213
                
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   214
            with RopePoints.rounded[RopePoints.Count] do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   215
                begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   216
                X := hwRound(Gear^.X);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   217
                Y := hwRound(Gear^.Y);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   218
                end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   219
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   220
            Gear^.X := Gear^.X + nx * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   221
            Gear^.Y := Gear^.Y + ny * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   222
            inc(RopePoints.Count);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   223
            TryDo(RopePoints.Count <= MAXROPEPOINTS, 'Rope points overflow', true);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   224
            Gear^.Elasticity := Gear^.Elasticity - len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   225
            Gear^.Friction := Gear^.Friction - len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   226
            haveDivided := true;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   227
            break
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   228
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   229
        nx := nx - tx;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   230
        ny := ny - ty;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   231
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   232
        // len := len - _1_2 // should be the same as increase step
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   233
        len.QWordValue := len.QWordValue - _1_2.QWordValue;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   234
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   235
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   236
    if not haveDivided then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   237
        if RopePoints.Count > 0 then // check whether the last dividing point could be removed
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   238
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   239
            tx := RopePoints.ar[Pred(RopePoints.Count)].X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   240
            ty := RopePoints.ar[Pred(RopePoints.Count)].Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   241
            mdX := tx - Gear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   242
            mdY := ty - Gear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   243
            if RopePoints.ar[Pred(RopePoints.Count)].b xor (mdX * (ty - HHGear^.Y) > (tx - HHGear^.X) * mdY) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   244
                begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   245
                dec(RopePoints.Count);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   246
                Gear^.X := RopePoints.ar[RopePoints.Count].X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   247
                Gear^.Y := RopePoints.ar[RopePoints.Count].Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   248
                Gear^.Elasticity := Gear^.Elasticity + RopePoints.ar[RopePoints.Count].dLen;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   249
                Gear^.Friction := Gear^.Friction + RopePoints.ar[RopePoints.Count].dLen;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   250
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   251
                // restore hog position
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   252
                len := _1 / Distance(mdX, mdY);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   253
                mdX := mdX * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   254
                mdY := mdY * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   255
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   256
                HHGear^.X := Gear^.X - mdX * Gear^.Elasticity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   257
                HHGear^.Y := Gear^.Y - mdY * Gear^.Elasticity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   258
                end
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   259
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   260
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   261
    haveCollision := false;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   262
    if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   263
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   264
        HHGear^.dX := -_0_6 * HHGear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   265
        haveCollision := true
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   266
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   267
    if TestCollisionYwithGear(HHGear, hwSign(HHGear^.dY)) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   268
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   269
        HHGear^.dY := -_0_6 * HHGear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   270
        haveCollision := true
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   271
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   272
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   273
    if haveCollision and (Gear^.Message and (gmLeft or gmRight) <> 0) and (Gear^.Message and (gmUp or gmDown) <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   274
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   275
        HHGear^.dX := SignAs(hwAbs(HHGear^.dX) + _0_8, HHGear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   276
        HHGear^.dY := SignAs(hwAbs(HHGear^.dY) + _0_8, HHGear^.dY)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   277
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   278
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   279
    len := hwSqr(HHGear^.dX) + hwSqr(HHGear^.dY);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   280
    if len > _10 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   281
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   282
        len := _3_2 / hwSqrt(len);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   283
        HHGear^.dX := HHGear^.dX * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   284
        HHGear^.dY := HHGear^.dY * len;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   285
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   286
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   287
    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);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   288
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   289
    if not haveCollision then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   290
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   291
        // backup gear location
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   292
        tx:= Gear^.X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   293
        ty:= Gear^.Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   294
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   295
        if RopePoints.Count > 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   296
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   297
            // set gear location to the remote end of the rope, the attachment point
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   298
            Gear^.X:= RopePoints.ar[0].X;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   299
            Gear^.Y:= RopePoints.ar[0].Y;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   300
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   301
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   302
        CheckCollision(Gear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   303
        // if we haven't found any collision yet then check the other side too
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   304
        if (Gear^.State and gstCollision) = 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   305
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   306
            Gear^.dX.isNegative:= not Gear^.dX.isNegative;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   307
            Gear^.dY.isNegative:= not Gear^.dY.isNegative;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   308
            CheckCollision(Gear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   309
            Gear^.dX.isNegative:= not Gear^.dX.isNegative;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   310
            Gear^.dY.isNegative:= not Gear^.dY.isNegative;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   311
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   312
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   313
        haveCollision:= (Gear^.State and gstCollision) <> 0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   314
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   315
        // restore gear location
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   316
        Gear^.X:= tx;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   317
        Gear^.Y:= ty;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   318
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   319
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   320
    // if the attack key is pressed, lose rope contact as well
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   321
    if (Gear^.Message and gmAttack) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   322
        haveCollision:= false;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   323
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   324
    HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue shr 2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   325
    HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue shr 2;
7674
aead327f1e1a fix for issue 293 : "rope stuck after picking crate"
sheepluva
parents: 7662
diff changeset
   326
    if (not haveCollision) and ((Gear^.State and gsttmpFlag) <> 0) then
7660
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   327
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   328
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   329
            PlaySound(sndRopeRelease);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   330
            if Gear^.Hedgehog^.CurAmmoType <> amParachute then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   331
                RopeWaitCollision(Gear, HHGear)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   332
            else
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   333
                RopeDeleteMe(Gear, HHGear)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   334
            end
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   335
        end
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   336
    else
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   337
        if (Gear^.State and gsttmpFlag) = 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   338
            Gear^.State := Gear^.State or gsttmpFlag;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   339
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   340
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   341
procedure RopeRemoveFromAmmo(Gear, HHGear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   342
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   343
    if (Gear^.State and gstAttacked) = 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   344
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   345
        OnUsedAmmo(HHGear^.Hedgehog^);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   346
        Gear^.State := Gear^.State or gstAttacked
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   347
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   348
    ApplyAmmoChanges(HHGear^.Hedgehog^)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   349
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   350
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   351
procedure doStepRopeAttach(Gear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   352
var 
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   353
    HHGear: PGear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   354
    tx, ty, tt: hwFloat;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   355
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   356
    Gear^.X := Gear^.X - Gear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   357
    Gear^.Y := Gear^.Y - Gear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   358
    Gear^.Elasticity := Gear^.Elasticity + _1;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   359
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   360
    HHGear := Gear^.Hedgehog^.Gear;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   361
    DeleteCI(HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   362
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   363
    if (HHGear^.State and gstMoving) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   364
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   365
        if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   366
            SetLittle(HHGear^.dX);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   367
        if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   368
            HHGear^.dY := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   369
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   370
        HHGear^.X := HHGear^.X + HHGear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   371
        Gear^.X := Gear^.X + HHGear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   372
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   373
        if TestCollisionYwithGear(HHGear, 1) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   374
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   375
            CheckHHDamage(HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   376
            HHGear^.dY := _0
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   377
            //HHGear^.State:= HHGear^.State and (not (gstHHJumping or gstHHHJump));
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   378
            end
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   379
        else
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   380
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   381
            HHGear^.Y := HHGear^.Y + HHGear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   382
            Gear^.Y := Gear^.Y + HHGear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   383
            HHGear^.dY := HHGear^.dY + cGravity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   384
            if (GameFlags and gfMoreWind) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   385
                HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   386
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   387
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   388
        tt := Gear^.Elasticity;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   389
        tx := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   390
        ty := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   391
        while tt > _20 do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   392
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   393
            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
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   394
                begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   395
                Gear^.X := Gear^.X + tx;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   396
                Gear^.Y := Gear^.Y + ty;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   397
                Gear^.Elasticity := tt;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   398
                Gear^.doStep := @doStepRopeWork;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   399
                PlaySound(sndRopeAttach);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   400
                with HHGear^ do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   401
                    begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   402
                    State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   403
                    Message := Message and (not gmAttack)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   404
                    end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   405
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   406
                RopeRemoveFromAmmo(Gear, HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   407
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   408
                tt := _0;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   409
                exit
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   410
                end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   411
            tx := tx + Gear^.dX + Gear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   412
            ty := ty + Gear^.dY + Gear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   413
            tt := tt - _2;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   414
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   415
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   416
7662
35d895dcd6f7 forgot to add back c96ff1a053d0
nemo
parents: 7660
diff changeset
   417
    if Gear^.Elasticity < _20 then Gear^.CollisionMask:= $FF00
35d895dcd6f7 forgot to add back c96ff1a053d0
nemo
parents: 7660
diff changeset
   418
    else Gear^.CollisionMask:= $FF7F;
7660
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   419
    CheckCollision(Gear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   420
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   421
    if (Gear^.State and gstCollision) <> 0 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   422
        if Gear^.Elasticity < _10 then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   423
            Gear^.Elasticity := _10000
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   424
    else
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   425
        begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   426
        Gear^.doStep := @doStepRopeWork;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   427
        PlaySound(sndRopeAttach);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   428
        with HHGear^ do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   429
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   430
            State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   431
            Message := Message and (not gmAttack)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   432
            end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   433
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   434
        RopeRemoveFromAmmo(Gear, HHGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   435
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   436
        exit
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   437
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   438
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   439
    if (Gear^.Elasticity > Gear^.Friction)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   440
        or ((Gear^.Message and gmAttack) = 0)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   441
        or ((HHGear^.State and gstHHDriven) = 0)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   442
        or (HHGear^.Damage > 0) then
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   443
            begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   444
            with Gear^.Hedgehog^.Gear^ do
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   445
                begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   446
                State := State and (not gstAttacking);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   447
                Message := Message and (not gmAttack)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   448
                end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   449
        DeleteGear(Gear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   450
        exit;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   451
        end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   452
    if CheckGearDrowning(HHGear) then DeleteGear(Gear)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   453
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   454
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   455
procedure doStepRope(Gear: PGear);
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   456
begin
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   457
    Gear^.dX := - Gear^.dX;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   458
    Gear^.dY := - Gear^.dY;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   459
    Gear^.doStep := @doStepRopeAttach;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   460
    PlaySound(sndRopeShot)
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   461
end;
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   462
8398faa1e628 Fix line endings, add missing amMine entry
nemo
parents: 7658
diff changeset
   463
end.