author  Wuzzy <Wuzzy2@mail.ru> 
Mon, 21 Jan 2019 21:06:55 +0100  
changeset 14653  4aec7d17ef7d 
parent 14282  6015b74eea55 
permissions  rwrr 
7660  1 
(* 
2 
* Hedgewars, a free turn based strategy game 

11046  3 
* Copyright (c) 20042015 Andrey Korotaev <unC0Rr@gmail.com> 
7660  4 
* 
5 
* This program is free software; you can redistribute it and/or modify 

6 
* it under the terms of the GNU General Public License as published by 

7 
* the Free Software Foundation; version 2 of the License 

8 
* 

9 
* This program is distributed in the hope that it will be useful, 

10 
* but WITHOUT ANY WARRANTY; without even the implied warranty of 

11 
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

12 
* GNU General Public License for more details. 

13 
* 

14 
* You should have received a copy of the GNU General Public License 

15 
* along with this program; if not, write to the Free Software 

10108
c68cf030eded
update FSF address. note: two sdl include files (by Sam Lantinga) still have the old FSF address in their copyright  but I ain't gonna touch their copyright headers
sheepluva
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10017
diff
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16 
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 021101301 USA 
7660  17 
*) 
18 

19 
{$INCLUDE "options.inc"} 

20 
unit uGearsHandlersRope; 

21 
interface 

22 

23 
uses uTypes; 

24 

25 
procedure doStepRope(Gear: PGear); 

26 

27 
implementation 

28 
uses uConsts, uFloat, uCollisions, uVariables, uGearsList, uSound, uGearsUtils, 

13077  29 
uAmmos, uDebug, uUtils, uGearsHedgehog, uGearsRender; 
7660  30 

10684  31 
const 
10722  32 
IsNilHHFatal = false; 
10684  33 

7660  34 
procedure doStepRopeAfterAttack(Gear: PGear); 
10017  35 
var 
7660  36 
HHGear: PGear; 
9526  37 
tX: hwFloat; 
7660  38 
begin 
39 
HHGear := Gear^.Hedgehog^.Gear; 

10681  40 
if HHGear = nil then 
41 
begin 

10684  42 
OutError('ERROR: doStepRopeAfterAttack called while HHGear = nil', IsNilHHFatal); 
10681  43 
DeleteGear(Gear); 
44 
exit() 

11258  45 
end 
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nemo
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46 
else if not CurrentTeam^.ExtDriven and (FollowGear <> nil) then FollowGear := HHGear; 
10681  47 

9526  48 
tX:= HHGear^.X; 
10017  49 
if WorldWrap(HHGear) and (WorldEdge = weWrap) and 
9706
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return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
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50 
((TestCollisionXwithGear(HHGear, 1) <> 0) or (TestCollisionXwithGear(HHGear, 1) <> 0)) then 
9526  51 
begin 
52 
HHGear^.X:= tX; 

14282
6015b74eea55
overall, using LongInt for leftX/rightX results in fewer casts, since most comparisons are against ints.
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HHGear^.dX.isNegative:= hwRound(tX) > leftX + HHGear^.Radius * 2 
9526  54 
end; 
55 

8680  56 
if (HHGear^.Hedgehog^.CurAmmoType = amParachute) and (HHGear^.dY > _0_39) then 
57 
begin 

58 
DeleteGear(Gear); 

59 
ApplyAmmoChanges(HHGear^.Hedgehog^); 

60 
HHGear^.Message:= HHGear^.Message or gmLJump; 

61 
exit 

62 
end; 

63 

7660  64 
if ((HHGear^.State and gstHHDriven) = 0) 
65 
or (CheckGearDrowning(HHGear)) 

66 
or (TestCollisionYwithGear(HHGear, 1) <> 0) then 

67 
begin 

68 
DeleteGear(Gear); 

13956
2568fa516733
Fix hog can drop more than 2 s. mines if first one was dropped from utility, then stop using that utility
Wuzzy <Wuzzy2@mail.ru>
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13463
diff
changeset

69 
if (TestCollisionYwithGear(HHGear, 1) <> 0) and (GetAmmoEntry(HHGear^.Hedgehog^, amRope)^.Count >= 1) and ((Ammoz[HHGear^.Hedgehog^.CurAmmoType].Ammo.Propz and ammoprop_AltUse) <> 0) and (HHGear^.Hedgehog^.MultiShootAttacks = 0) then 
12821
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
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70 
HHGear^.Hedgehog^.CurAmmoType:= amRope; 
7660  71 
isCursorVisible := false; 
72 
ApplyAmmoChanges(HHGear^.Hedgehog^); 

73 
exit 

74 
end; 

75 

76 
HedgehogChAngle(HHGear); 

77 

9706
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78 
if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) <> 0 then 
7660  79 
SetLittle(HHGear^.dX); 
80 

81 
if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, 1) <> 0) then 

82 
HHGear^.dY := _0; 

83 
HHGear^.X := HHGear^.X + HHGear^.dX; 

84 
HHGear^.Y := HHGear^.Y + HHGear^.dY; 

85 
HHGear^.dY := HHGear^.dY + cGravity; 

10017  86 

7660  87 
if (GameFlags and gfMoreWind) <> 0 then 
88 
HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density; 

89 

90 
if (Gear^.Message and gmAttack) <> 0 then 

91 
begin 

92 
Gear^.X := HHGear^.X; 

93 
Gear^.Y := HHGear^.Y; 

94 

95 
ApplyAngleBounds(Gear^.Hedgehog^, amRope); 

96 

97 
Gear^.dX := SignAs(AngleSin(HHGear^.Angle), HHGear^.dX); 

98 
Gear^.dY := AngleCos(HHGear^.Angle); 

99 
Gear^.Friction := _4_5 * cRopePercent; 

100 
Gear^.Elasticity := _0; 

101 
Gear^.State := Gear^.State and (not gsttmpflag); 

102 
Gear^.doStep := @doStepRope; 

103 
end 

104 
end; 

105 

106 
procedure RopeDeleteMe(Gear, HHGear: PGear); 

107 
begin 

108 
with HHGear^ do 

109 
begin 

110 
Message := Message and (not gmAttack); 

111 
State := (State or gstMoving) and (not gstWinner); 

112 
end; 

113 
DeleteGear(Gear) 

114 
end; 

115 

116 
procedure RopeWaitCollision(Gear, HHGear: PGear); 

117 
begin 

118 
with HHGear^ do 

119 
begin 

120 
Message := Message and (not gmAttack); 

121 
State := State or gstMoving; 

122 
end; 

123 
RopePoints.Count := 0; 

124 
Gear^.Elasticity := _0; 

125 
Gear^.doStep := @doStepRopeAfterAttack 

126 
end; 

127 

128 
procedure doStepRopeWork(Gear: PGear); 

10017  129 
var 
7660  130 
HHGear: PGear; 
131 
len, tx, ty, nx, ny, ropeDx, ropeDy, mdX, mdY: hwFloat; 

132 
lx, ly, cd: LongInt; 

133 
haveCollision, 

134 
haveDivided: boolean; 

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135 
wrongSide: boolean; 
7660  136 
begin 
10680
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sheepluva
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137 
HHGear := Gear^.Hedgehog^.Gear; 
10681  138 
if HHGear = nil then 
139 
begin 

10684  140 
OutError('ERROR: doStepRopeWork called while HHGear = nil', IsNilHHFatal); 
10681  141 
DeleteGear(Gear); 
142 
exit() 

11258  143 
end 
11266
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nemo
parents:
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diff
changeset

144 
else if not CurrentTeam^.ExtDriven and (FollowGear <> nil) then FollowGear := HHGear; 
7660  145 

10680
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Issue 871 in hedgewars: "Hedgehog dropping into water while still attached to a rope makes engine crash"
sheepluva
parents:
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changeset

146 
if ((HHGear^.State and gstHHDriven) = 0) or 
4a4a82686e91
Issue 871 in hedgewars: "Hedgehog dropping into water while still attached to a rope makes engine crash"
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parents:
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147 
(CheckGearDrowning(HHGear)) or (Gear^.PortalCounter <> 0) then 
4a4a82686e91
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148 
begin 
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149 
PlaySound(sndRopeRelease); 
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150 
RopeDeleteMe(Gear, HHGear); 
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151 
exit 
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152 
end; 
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153 

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sheepluva
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154 
if GameTicks mod 4 <> 0 then exit; 
7660  155 

9526  156 
tX:= HHGear^.X; 
10017  157 
if WorldWrap(HHGear) and (WorldEdge = weWrap) and 
9706
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return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
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diff
changeset

158 
((TestCollisionXwithGear(HHGear, 1) <> 0) or (TestCollisionXwithGear(HHGear, 1) <> 0)) then 
9526  159 
begin 
160 
PlaySound(sndRopeRelease); 

161 
RopeDeleteMe(Gear, HHGear); 

162 
HHGear^.X:= tX; 

14282
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overall, using LongInt for leftX/rightX results in fewer casts, since most comparisons are against ints.
nemo
parents:
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diff
changeset

163 
HHGear^.dX.isNegative:= hwRound(tX) > leftX + HHGear^.Radius * 2; 
9526  164 
exit 
165 
end; 

166 

167 
tX:= HHGear^.X; 

7660  168 
HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue shl 2; 
169 
HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue shl 2; 

9706
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nemo
parents:
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diff
changeset

170 
if (Gear^.Message and gmLeft <> 0) and (TestCollisionXwithGear(HHGear, 1) = 0) then 
7660  171 
HHGear^.dX := HHGear^.dX  _0_0032; 
172 

9706
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nemo
parents:
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diff
changeset

173 
if (Gear^.Message and gmRight <> 0) and (TestCollisionXwithGear(HHGear, 1) = 0) then 
7660  174 
HHGear^.dX := HHGear^.dX + _0_0032; 
175 

176 
// vector between hedgehog and rope attaching point 

177 
ropeDx := HHGear^.X  Gear^.X; 

178 
ropeDy := HHGear^.Y  Gear^.Y; 

179 

9706
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nemo
parents:
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diff
changeset

180 
if TestCollisionYwithXYShift(HHGear, 0, 1, 1) = 0 then 
7660  181 
begin 
182 

183 
// depending on the rope vector we know which Xside to check for collision 

184 
// in order to find out if the hog can still be moved by gravity 

185 
if ropeDx.isNegative = RopeDy.IsNegative then 

186 
cd:= 1 

187 
else 

188 
cd:= 1; 

189 

190 
// apply gravity if there is no obstacle 

9706
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return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

191 
if TestCollisionXwithXYShift(HHGear, _2*cd, 0, cd, true) = 0 then 
7660  192 
HHGear^.dY := HHGear^.dY + cGravity * 16; 
193 

194 
if (GameFlags and gfMoreWind) <> 0 then 

195 
// apply wind if there's no obstacle 

9706
5178d2263521
return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

196 
if TestCollisionXwithGear(HHGear, hwSign(cWindSpeed)) = 0 then 
7660  197 
HHGear^.dX := HHGear^.dX + cWindSpeed * 16 / HHGear^.Density; 
198 
end; 

199 

200 
mdX := ropeDx + HHGear^.dX; 

201 
mdY := ropeDy + HHGear^.dY; 

202 
len := _1 / Distance(mdX, mdY); 

203 
// rope vector plus hedgehog direction vector normalized 

204 
mdX := mdX * len; 

205 
mdY := mdY * len; 

206 

207 
// for visual purposes only 

208 
Gear^.dX := mdX; 

209 
Gear^.dY := mdY; 

210 

211 
///// 

212 
tx := HHGear^.X; 

213 
ty := HHGear^.Y; 

214 

215 
if ((Gear^.Message and gmDown) <> 0) and (Gear^.Elasticity < Gear^.Friction) then 

9706
5178d2263521
return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

216 
if not ((TestCollisionXwithXYShift(HHGear, _2*hwSign(ropeDx), 0, hwSign(ropeDx), true) <> 0) 
13973
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Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
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diff
changeset

217 
or ((ropeDy.QWordValue <> 0) and (TestCollisionYwithXYShift(HHGear, 0, hwSign(ropeDy), hwSign(ropeDy)) <> 0))) then 
7660  218 
Gear^.Elasticity := Gear^.Elasticity + _1_2; 
219 

220 
if ((Gear^.Message and gmUp) <> 0) and (Gear^.Elasticity > _30) then 

9706
5178d2263521
return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

221 
if not ((TestCollisionXwithXYShift(HHGear, _2*hwSign(ropeDx), 0, hwSign(ropeDx), true) <> 0) 
13973
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Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

222 
or ((ropeDy.QWordValue <> 0) and (TestCollisionYwithXYShift(HHGear, 0, hwSign(ropeDy), hwSign(ropeDy)) <> 0))) then 
7660  223 
Gear^.Elasticity := Gear^.Elasticity  _1_2; 
224 

225 
HHGear^.X := Gear^.X + mdX * Gear^.Elasticity; 

226 
HHGear^.Y := Gear^.Y + mdY * Gear^.Elasticity; 

227 

228 
HHGear^.dX := HHGear^.X  tx; 

229 
HHGear^.dY := HHGear^.Y  ty; 

230 

231 
haveDivided := false; 

232 
// check whether rope needs dividing 

233 

234 
len := Gear^.Elasticity  _5; 

235 
nx := Gear^.X + mdX * len; 

236 
ny := Gear^.Y + mdY * len; 

237 
tx := mdX * _1_2; // should be the same as increase step 

238 
ty := mdY * _1_2; 

239 

240 
while len > _3 do 

241 
begin 

242 
lx := hwRound(nx); 

243 
ly := hwRound(ny); 

8751
4609823efc94
More flagging of Land values. Also use less than for tests of nonterrain, instead of "and $FF00 = 0". Saves a couple of ops, which actually matters a small amount in a few places.
nemo
parents:
8744
diff
changeset

244 
if ((ly and LAND_HEIGHT_MASK) = 0) and ((lx and LAND_WIDTH_MASK) = 0) and (Land[ly, lx] > lfAllObjMask) then 
7660  245 
begin 
8397
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unc0rr
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diff
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246 
tx := _1 / Distance(ropeDx, ropeDy); 
7660  247 
// old rope pos 
8397
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248 
nx := ropeDx * tx; 
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249 
ny := ropeDy * tx; 
7660  250 

251 
with RopePoints.ar[RopePoints.Count] do 

252 
begin 

253 
X := Gear^.X; 

254 
Y := Gear^.Y; 

255 
if RopePoints.Count = 0 then 

256 
RopePoints.HookAngle := DxDy2Angle(Gear^.dY, Gear^.dX); 

257 
b := (nx * HHGear^.dY) > (ny * HHGear^.dX); 

8733
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258 
sx:= Gear^.dX.isNegative; 
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259 
sy:= Gear^.dY.isNegative; 
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260 
sb:= Gear^.dX.QWordValue < Gear^.dY.QWordValue; 
7660  261 
dLen := len 
262 
end; 

8397
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unc0rr
parents:
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diff
changeset

263 

7660  264 
with RopePoints.rounded[RopePoints.Count] do 
265 
begin 

266 
X := hwRound(Gear^.X); 

267 
Y := hwRound(Gear^.Y); 

268 
end; 

269 

270 
Gear^.X := Gear^.X + nx * len; 

271 
Gear^.Y := Gear^.Y + ny * len; 

272 
inc(RopePoints.Count); 

11532  273 
if checkFails(RopePoints.Count <= MAXROPEPOINTS, 'Rope points overflow', true) then exit; 
7660  274 
Gear^.Elasticity := Gear^.Elasticity  len; 
275 
Gear^.Friction := Gear^.Friction  len; 

276 
haveDivided := true; 

277 
break 

278 
end; 

279 
nx := nx  tx; 

280 
ny := ny  ty; 

281 

282 
// len := len  _1_2 // should be the same as increase step 

283 
len.QWordValue := len.QWordValue  _1_2.QWordValue; 

284 
end; 

285 

286 
if not haveDivided then 

287 
if RopePoints.Count > 0 then // check whether the last dividing point could be removed 

288 
begin 

289 
tx := RopePoints.ar[Pred(RopePoints.Count)].X; 

290 
ty := RopePoints.ar[Pred(RopePoints.Count)].Y; 

291 
mdX := tx  Gear^.X; 

292 
mdY := ty  Gear^.Y; 

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293 
ropeDx:= tx  HHGear^.X; 
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294 
ropeDy:= ty  HHGear^.Y; 
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changeset

295 
if RopePoints.ar[Pred(RopePoints.Count)].b xor (mdX * ropeDy > ropeDx * mdY) then 
7660  296 
begin 
297 
dec(RopePoints.Count); 

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298 
Gear^.X := tx; 
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299 
Gear^.Y := ty; 
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300 

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301 
// oops, opposite quadrant, don't restore hog position in such case, just remove the point 
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302 
wrongSide:= (ropeDx.isNegative = RopePoints.ar[RopePoints.Count].sx) 
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303 
and (ropeDy.isNegative = RopePoints.ar[RopePoints.Count].sy); 
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304 

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305 
// previous check could be inaccurate in vertical/horizontal rope positions, 
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306 
// so perform this check also, even though odds are 1 to 415927 to hit this 
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307 
if (not wrongSide) 
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308 
and ((ropeDx.isNegative = RopePoints.ar[RopePoints.Count].sx) 
b6002f1956d5
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diff
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309 
<> (ropeDy.isNegative = RopePoints.ar[RopePoints.Count].sy)) then 
b6002f1956d5
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unc0rr
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310 
if RopePoints.ar[RopePoints.Count].sb then 
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311 
wrongSide:= ropeDy.isNegative = RopePoints.ar[RopePoints.Count].sy 
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312 
else 
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changeset

313 
wrongSide:= ropeDx.isNegative = RopePoints.ar[RopePoints.Count].sx; 
7660  314 

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unc0rr
parents:
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changeset

315 
if wrongSide then 
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Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

316 
begin 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

317 
Gear^.Elasticity := Gear^.Elasticity  RopePoints.ar[RopePoints.Count].dLen; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

318 
Gear^.Friction := Gear^.Friction  RopePoints.ar[RopePoints.Count].dLen; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

319 
end else 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

320 
begin 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

321 
Gear^.Elasticity := Gear^.Elasticity + RopePoints.ar[RopePoints.Count].dLen; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

322 
Gear^.Friction := Gear^.Friction + RopePoints.ar[RopePoints.Count].dLen; 
7660  323 

8733
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

324 
// restore hog position 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

325 
len := _1 / Distance(mdX, mdY); 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

326 
mdX := mdX * len; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

327 
mdY := mdY * len; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

328 

b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

329 
HHGear^.X := Gear^.X  mdX * Gear^.Elasticity; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

330 
HHGear^.Y := Gear^.Y  mdY * Gear^.Elasticity; 
b6002f1956d5
Hard math to fix issue 571. Well, not really hard math,
unc0rr
parents:
8680
diff
changeset

331 
end; 
7660  332 
end 
333 
end; 

334 

335 
haveCollision := false; 

9706
5178d2263521
return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

336 
if TestCollisionXwithXYShift(HHGear, _2*hwSign(HHGear^.dX), 0, hwSign(HHGear^.dX), true) <> 0 then 
7660  337 
begin 
338 
HHGear^.dX := _0_6 * HHGear^.dX; 

339 
haveCollision := true 

340 
end; 

9706
5178d2263521
return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents:
9683
diff
changeset

341 
if TestCollisionYwithXYShift(HHGear, 0, 1*hwSign(HHGear^.dY), hwSign(HHGear^.dY)) <> 0 then 
7660  342 
begin 
343 
HHGear^.dY := _0_6 * HHGear^.dY; 

344 
haveCollision := true 

345 
end; 

346 

347 
if haveCollision and (Gear^.Message and (gmLeft or gmRight) <> 0) and (Gear^.Message and (gmUp or gmDown) <> 0) then 

348 
begin 

349 
HHGear^.dX := SignAs(hwAbs(HHGear^.dX) + _0_8, HHGear^.dX); 

350 
HHGear^.dY := SignAs(hwAbs(HHGear^.dY) + _0_8, HHGear^.dY) 

351 
end; 

352 

353 
len := hwSqr(HHGear^.dX) + hwSqr(HHGear^.dY); 

354 
if len > _10 then 

355 
begin 

356 
len := _3_2 / hwSqrt(len); 

357 
HHGear^.dX := HHGear^.dX * len; 

358 
HHGear^.dY := HHGear^.dY * len; 

359 
end; 

360 

361 
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); 

362 

363 
if not haveCollision then 

364 
begin 

365 
// backup gear location 

366 
tx:= Gear^.X; 

367 
ty:= Gear^.Y; 

368 

369 
if RopePoints.Count > 0 then 

370 
begin 

371 
// set gear location to the remote end of the rope, the attachment point 

372 
Gear^.X:= RopePoints.ar[0].X; 

373 
Gear^.Y:= RopePoints.ar[0].Y; 

374 
end; 

375 

376 
CheckCollision(Gear); 

377 
// if we haven't found any collision yet then check the other side too 

378 
if (Gear^.State and gstCollision) = 0 then 

379 
begin 

380 
Gear^.dX.isNegative:= not Gear^.dX.isNegative; 

381 
Gear^.dY.isNegative:= not Gear^.dY.isNegative; 

382 
CheckCollision(Gear); 

383 
Gear^.dX.isNegative:= not Gear^.dX.isNegative; 

384 
Gear^.dY.isNegative:= not Gear^.dY.isNegative; 

385 
end; 

386 

387 
haveCollision:= (Gear^.State and gstCollision) <> 0; 

388 

389 
// restore gear location 

390 
Gear^.X:= tx; 

391 
Gear^.Y:= ty; 

392 
end; 

393 

394 
// if the attack key is pressed, lose rope contact as well 

395 
if (Gear^.Message and gmAttack) <> 0 then 

396 
haveCollision:= false; 

397 

398 
HHGear^.dX.QWordValue:= HHGear^.dX.QWordValue shr 2; 

399 
HHGear^.dY.QWordValue:= HHGear^.dY.QWordValue shr 2; 

7674
aead327f1e1a
fix for issue 293 : "rope stuck after picking crate"
sheepluva
parents:
7662
diff
changeset

400 
if (not haveCollision) and ((Gear^.State and gsttmpFlag) <> 0) then 
7660  401 
begin 
402 
begin 

403 
PlaySound(sndRopeRelease); 

404 
if Gear^.Hedgehog^.CurAmmoType <> amParachute then 

405 
RopeWaitCollision(Gear, HHGear) 

406 
else 

407 
RopeDeleteMe(Gear, HHGear) 

408 
end 

409 
end 

410 
else 

411 
if (Gear^.State and gsttmpFlag) = 0 then 

412 
Gear^.State := Gear^.State or gsttmpFlag; 

413 
end; 

414 

415 
procedure RopeRemoveFromAmmo(Gear, HHGear: PGear); 

416 
begin 

417 
if (Gear^.State and gstAttacked) = 0 then 

418 
begin 

419 
OnUsedAmmo(HHGear^.Hedgehog^); 

14653
4aec7d17ef7d
Don't show ammo caption for every repeat rope attach
Wuzzy <Wuzzy2@mail.ru>
parents:
14282
diff
changeset

420 
Gear^.State := Gear^.State or gstAttacked; 
4aec7d17ef7d
Don't show ammo caption for every repeat rope attach
Wuzzy <Wuzzy2@mail.ru>
parents:
14282
diff
changeset

421 
ApplyAmmoChanges(HHGear^.Hedgehog^); 
7660  422 
end; 
423 
end; 

424 

425 
procedure doStepRopeAttach(Gear: PGear); 

10017  426 
var 
7660  427 
HHGear: PGear; 
428 
tx, ty, tt: hwFloat; 

429 
begin 

430 
Gear^.X := Gear^.X  Gear^.dX; 

431 
Gear^.Y := Gear^.Y  Gear^.dY; 

432 
Gear^.Elasticity := Gear^.Elasticity + _1; 

433 

434 
HHGear := Gear^.Hedgehog^.Gear; 

10681  435 
if HHGear = nil then 
436 
begin 

10684  437 
OutError('ERROR: doStepRopeAttach called while HHGear = nil', IsNilHHFatal); 
10681  438 
DeleteGear(Gear); 
439 
exit() 

11258  440 
end 
11266
31e0e38e703c
Make camera refocus less aggressive. Only if there's a camera target already.
nemo
parents:
11258
diff
changeset

441 
else if not CurrentTeam^.ExtDriven and (FollowGear <> nil) then FollowGear := HHGear; 
10681  442 

12651
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

443 
// Destroy rope if it touched bouncy or world wrap world edge. 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

444 
// TODO: Allow to shoot rope through the world wrap edge and rope normally. 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

445 
if (WorldWrap(Gear) and (WorldEdge = weWrap)) or 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

446 
((WorldEdge = weBounce) and ((hwRound(Gear^.X) <= LeftX) or (hwRound(Gear^.X) >= RightX))) then 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

447 
begin 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

448 
HHGear^.State := HHGear^.State and (not (gstAttacking or gstHHJumping or gstHHHJump)); 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

449 
HHGear^.Message := HHGear^.Message and (not gmAttack); 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

450 
DeleteGear(Gear); 
13956
2568fa516733
Fix hog can drop more than 2 s. mines if first one was dropped from utility, then stop using that utility
Wuzzy <Wuzzy2@mail.ru>
parents:
13463
diff
changeset

451 
if (GetAmmoEntry(HHGear^.Hedgehog^, amRope)^.Count >= 1) and ((Ammoz[HHGear^.Hedgehog^.CurAmmoType].Ammo.Propz and ammoprop_AltUse) <> 0) and (HHGear^.Hedgehog^.MultiShootAttacks = 0) then 
12821
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

452 
HHGear^.Hedgehog^.CurAmmoType:= amRope; 
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

453 
isCursorVisible := false; 
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

454 
ApplyAmmoChanges(HHGear^.Hedgehog^); 
12651
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

455 
exit() 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

456 
end; 
5e115ed19e27
Destroy rope when attempting to shoot it through wrap / bouncy world edge
Wuzzy <almikes@aol.com>
parents:
11831
diff
changeset

457 

7660  458 
DeleteCI(HHGear); 
459 

460 
if (HHGear^.State and gstMoving) <> 0 then 

461 
begin 

13069
ba7ac61c7668
falling hogs using rope were ignoring a few things (for example taking damage from rubber)
nemo
parents:
12821
diff
changeset

462 
doStepHedgehogMoving(HHGear); 
7660  463 
Gear^.X := Gear^.X + HHGear^.dX; 
13069
ba7ac61c7668
falling hogs using rope were ignoring a few things (for example taking damage from rubber)
nemo
parents:
12821
diff
changeset

464 
Gear^.Y := Gear^.Y + HHGear^.dY; 
7660  465 

13973
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

466 
// hedgehog can teleport up to 5 pixels upwards when sliding, 
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

467 
// so we have to give up the maintained rope length 
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

468 
// after doStepHedgehogMoving() call and recalculate 
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

469 
// it based on the gear and current hedgehog positions 
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

470 
Gear^.Elasticity:= int2hwFloat(hwRound(Distance(Gear^.X  HHGear^.X, Gear^.Y  HHGear^.Y) + _0_001)); 
7660  471 

472 
tt := Gear^.Elasticity; 

473 
tx := _0; 

474 
ty := _0; 

475 
while tt > _20 do 

476 
begin 

8751
4609823efc94
More flagging of Land values. Also use less than for tests of nonterrain, instead of "and $FF00 = 0". Saves a couple of ops, which actually matters a small amount in a few places.
nemo
parents:
8744
diff
changeset

477 
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)] > lfAllObjMask) then 
7660  478 
begin 
479 
Gear^.X := Gear^.X + tx; 

480 
Gear^.Y := Gear^.Y + ty; 

481 
Gear^.Elasticity := tt; 

482 
Gear^.doStep := @doStepRopeWork; 

13973
818969052920
Fix bug 651: sliding hog firing rope could end up stuck in land right after the rope has attached
unc0rr
parents:
13956
diff
changeset

483 

7660  484 
PlaySound(sndRopeAttach); 
485 
with HHGear^ do 

486 
begin 

487 
State := State and (not (gstAttacking or gstHHJumping or gstHHHJump)); 

488 
Message := Message and (not gmAttack) 

489 
end; 

490 

491 
RopeRemoveFromAmmo(Gear, HHGear); 

492 
exit 

493 
end; 

494 
tx := tx + Gear^.dX + Gear^.dX; 

495 
ty := ty + Gear^.dY + Gear^.dY; 

496 
tt := tt  _2; 

497 
end; 

498 
end; 

499 

8751
4609823efc94
More flagging of Land values. Also use less than for tests of nonterrain, instead of "and $FF00 = 0". Saves a couple of ops, which actually matters a small amount in a few places.
nemo
parents:
8744
diff
changeset

500 
if Gear^.Elasticity < _20 then Gear^.CollisionMask:= lfLandMask 
13463
f1d349a52bc7
Refactor: lfCurrentHogâ†’lfCurHogCrate, lfNotCurrentMaskâ†’lfNotCurHogCrate
Wuzzy <Wuzzy2@mail.ru>
parents:
13077
diff
changeset

501 
else Gear^.CollisionMask:= lfNotCurHogCrate; //lfNotObjMask or lfNotHHObjMask; 
7660  502 
CheckCollision(Gear); 
503 

504 
if (Gear^.State and gstCollision) <> 0 then 

505 
if Gear^.Elasticity < _10 then 

506 
Gear^.Elasticity := _10000 

507 
else 

508 
begin 

509 
Gear^.doStep := @doStepRopeWork; 

510 
PlaySound(sndRopeAttach); 

511 
with HHGear^ do 

512 
begin 

513 
State := State and (not (gstAttacking or gstHHJumping or gstHHHJump)); 

514 
Message := Message and (not gmAttack) 

515 
end; 

516 

517 
RopeRemoveFromAmmo(Gear, HHGear); 

518 

519 
exit 

520 
end; 

521 

522 
if (Gear^.Elasticity > Gear^.Friction) 

523 
or ((Gear^.Message and gmAttack) = 0) 

524 
or ((HHGear^.State and gstHHDriven) = 0) 

525 
or (HHGear^.Damage > 0) then 

526 
begin 

527 
with Gear^.Hedgehog^.Gear^ do 

528 
begin 

529 
State := State and (not gstAttacking); 

530 
Message := Message and (not gmAttack) 

531 
end; 

532 
DeleteGear(Gear); 

13956
2568fa516733
Fix hog can drop more than 2 s. mines if first one was dropped from utility, then stop using that utility
Wuzzy <Wuzzy2@mail.ru>
parents:
13463
diff
changeset

533 
if (GetAmmoEntry(HHGear^.Hedgehog^, amRope)^.Count >= 1) and ((Ammoz[HHGear^.Hedgehog^.CurAmmoType].Ammo.Propz and ammoprop_AltUse) <> 0) and (HHGear^.Hedgehog^.MultiShootAttacks = 0) then 
12821
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

534 
HHGear^.Hedgehog^.CurAmmoType:= amRope; 
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

535 
isCursorVisible := false; 
f3e07e53460d
Fix desyncs when forcing rope reselection after missing a shot or hitting bounce world edge
Wuzzy <Wuzzy2@mail.ru>
parents:
12819
diff
changeset

536 
ApplyAmmoChanges(HHGear^.Hedgehog^); 
7660  537 
exit; 
538 
end; 

539 
if CheckGearDrowning(HHGear) then DeleteGear(Gear) 

540 
end; 

541 

542 
procedure doStepRope(Gear: PGear); 

543 
begin 

544 
Gear^.dX :=  Gear^.dX; 

545 
Gear^.dY :=  Gear^.dY; 

546 
Gear^.doStep := @doStepRopeAttach; 

547 
PlaySound(sndRopeShot) 

548 
end; 

549 

550 
end. 