author | unc0rr |
Thu, 05 Mar 2009 21:41:18 +0000 | |
changeset 1863 | 705c01571196 |
parent 1812 | 3d4692e825e7 |
child 1869 | 490005509a7b |
permissions | -rw-r--r-- |
802
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1 |
(* |
1066 | 2 |
* Hedgewars, a free turn based strategy game |
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* Copyright (c) 2008 Andrey Korotaev <unC0Rr@gmail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*) |
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|
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unit uVisualGears; |
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interface |
805 | 21 |
uses SDLh, uConsts, uFloat, GL; |
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{$INCLUDE options.inc} |
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const AllInactive: boolean = false; |
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|
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type PVisualGear = ^TVisualGear; |
1505 | 26 |
TVGearStepProcedure = procedure (Gear: PVisualGear; Steps: Longword); |
27 |
TVisualGear = record |
|
28 |
NextGear, PrevGear: PVisualGear; |
|
29 |
Frame, |
|
30 |
FrameTicks: Longword; |
|
31 |
X : hwFloat; |
|
32 |
Y : hwFloat; |
|
33 |
dX: hwFloat; |
|
34 |
dY: hwFloat; |
|
35 |
mdY: QWord; |
|
36 |
Angle, dAngle: real; |
|
37 |
Kind: TVisualGearType; |
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doStep: TVGearStepProcedure; |
|
39 |
Tex: PTexture; |
|
40 |
end; |
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|
805 | 42 |
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType): PVisualGear; |
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procedure ProcessVisualGears(Steps: Longword); |
1045 | 44 |
procedure DrawVisualGears(Layer: LongWord); |
1041 | 45 |
procedure DeleteVisualGear(Gear: PVisualGear); |
803 | 46 |
procedure AddClouds; |
1505 | 47 |
procedure AddDamageTag(X, Y, Damage, Color: LongWord); |
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|
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var VisualGearsList: PVisualGear = nil; |
1505 | 50 |
vobFrameTicks, vobFramesCount: Longword; |
51 |
vobVelocity, vobFallSpeed: LongInt; |
|
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|
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implementation |
805 | 54 |
uses uWorld, uMisc, uStore; |
1047 | 55 |
const cExplFrameTicks = 110; |
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|
1505 | 57 |
procedure AddDamageTag(X, Y, Damage, Color: LongWord); |
58 |
var s: shortstring; |
|
1729 | 59 |
Gear: PVisualGear; |
1505 | 60 |
begin |
61 |
if cAltDamage then |
|
1729 | 62 |
begin |
63 |
Gear:= AddVisualGear(X, Y, vgtSmallDamageTag); |
|
64 |
if Gear <> nil then |
|
65 |
with Gear^ do |
|
66 |
begin |
|
67 |
str(Damage, s); |
|
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Tex:= RenderStringTex(s, Color, fntSmall); |
|
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end |
|
70 |
end |
|
1505 | 71 |
end; |
72 |
||
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||
803 | 74 |
// ================================================================== |
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procedure doStepFlake(Gear: PVisualGear; Steps: Longword); |
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begin |
805 | 77 |
with Gear^ do |
1505 | 78 |
begin |
79 |
inc(FrameTicks, Steps); |
|
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if FrameTicks > vobFrameTicks then |
|
81 |
begin |
|
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dec(FrameTicks, vobFrameTicks); |
|
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inc(Frame); |
|
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if Frame = vobFramesCount then Frame:= 0 |
|
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end |
|
86 |
end; |
|
805 | 87 |
|
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Gear^.X:= Gear^.X + (cWindSpeed * 200 + Gear^.dX) * Steps; |
|
808 | 89 |
Gear^.Y:= Gear^.Y + (Gear^.dY + cGravity * vobFallSpeed) * Steps; |
90 |
Gear^.Angle:= Gear^.Angle + Gear^.dAngle * Steps; |
|
805 | 91 |
|
1760 | 92 |
if hwRound(Gear^.X) < -cScreenWidth - 64 then Gear^.X:= int2hwFloat(cScreenWidth + LAND_WIDTH) else |
93 |
if hwRound(Gear^.X) > cScreenWidth + LAND_WIDTH then Gear^.X:= int2hwFloat(-cScreenWidth - 64); |
|
1792 | 94 |
if hwRound(Gear^.Y) > (LAND_HEIGHT + 75) then Gear^.Y:= Gear^.Y - int2hwFloat(LAND_HEIGHT-1024+150) // TODO - configure in theme (jellies for example could use limited range) |
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end; |
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|
803 | 97 |
procedure doStepCloud(Gear: PVisualGear; Steps: Longword); |
1079 | 98 |
var i: Longword; |
803 | 99 |
begin |
100 |
Gear^.X:= Gear^.X + (cWindSpeed * 200 + Gear^.dX) * Steps; |
|
805 | 101 |
|
1079 | 102 |
for i:= 0 to Steps - 1 do |
103 |
begin |
|
1776 | 104 |
if hwRound(Gear^.Y) > LAND_HEIGHT-1184 then // TODO - configure in theme |
1079 | 105 |
Gear^.dY:= Gear^.dY - _1div50000 |
106 |
else |
|
107 |
Gear^.dY:= Gear^.dY + _1div50000; |
|
108 |
||
109 |
Gear^.Y:= Gear^.Y + Gear^.dY |
|
110 |
end; |
|
805 | 111 |
|
1801 | 112 |
if hwRound(Gear^.X) < -cScreenWidth - 256 then Gear^.X:= int2hwFloat(cScreenWidth + LAND_WIDTH) else |
1762 | 113 |
if hwRound(Gear^.X) > cScreenWidth + LAND_WIDTH then Gear^.X:= int2hwFloat(-cScreenWidth - 256) |
803 | 114 |
end; |
115 |
||
1041 | 116 |
procedure doStepExpl(Gear: PVisualGear; Steps: Longword); |
117 |
begin |
|
1046 | 118 |
Gear^.X:= Gear^.X + Gear^.dX * Steps; |
1041 | 119 |
|
1046 | 120 |
Gear^.Y:= Gear^.Y + Gear^.dY * Steps; |
121 |
//Gear^.dY:= Gear^.dY + cGravity; |
|
1041 | 122 |
|
1045 | 123 |
if Gear^.FrameTicks <= Steps then |
124 |
if Gear^.Frame = 0 then DeleteVisualGear(Gear) |
|
125 |
else |
|
126 |
begin |
|
127 |
dec(Gear^.Frame); |
|
128 |
Gear^.FrameTicks:= cExplFrameTicks |
|
129 |
end |
|
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else dec(Gear^.FrameTicks, Steps) |
|
1041 | 131 |
end; |
132 |
||
1046 | 133 |
procedure doStepFire(Gear: PVisualGear; Steps: Longword); |
134 |
begin |
|
135 |
Gear^.X:= Gear^.X + Gear^.dX * Steps; |
|
136 |
||
137 |
Gear^.Y:= Gear^.Y + Gear^.dY * Steps;// + cGravity * (Steps * Steps); |
|
138 |
Gear^.dY:= Gear^.dY + cGravity * Steps; |
|
139 |
||
140 |
if Gear^.FrameTicks <= Steps then |
|
141 |
DeleteVisualGear(Gear) |
|
142 |
else |
|
143 |
dec(Gear^.FrameTicks, Steps) |
|
144 |
end; |
|
145 |
||
1505 | 146 |
procedure doStepSmallDamage(Gear: PVisualGear; Steps: Longword); |
147 |
begin |
|
148 |
Gear^.Y:= Gear^.Y - _0_02 * Steps; |
|
149 |
||
150 |
if Gear^.FrameTicks <= Steps then |
|
151 |
DeleteVisualGear(Gear) |
|
152 |
else |
|
153 |
dec(Gear^.FrameTicks, Steps) |
|
154 |
end; |
|
155 |
||
803 | 156 |
// ================================================================== |
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const doStepHandlers: array[TVisualGearType] of TVGearStepProcedure = |
1505 | 158 |
( |
159 |
@doStepFlake, |
|
160 |
@doStepCloud, |
|
161 |
@doStepExpl, |
|
162 |
@doStepExpl, |
|
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@doStepFire, |
|
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@doStepSmallDamage |
|
165 |
); |
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|
805 | 167 |
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType): PVisualGear; |
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var Result: PVisualGear; |
1045 | 169 |
t: Longword; |
170 |
sp: hwFloat; |
|
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171 |
begin |
1642 | 172 |
if (GameType = gmtSave) or (fastUntilLag and (GameType = gmtNet)) then // we're scrolling now |
173 |
if Kind <> vgtCloud then |
|
174 |
begin |
|
175 |
AddVisualGear:= nil; |
|
176 |
exit |
|
177 |
end; |
|
178 |
||
1812 | 179 |
if cReducedQuality then |
180 |
begin |
|
181 |
AddVisualGear:= nil; |
|
182 |
exit |
|
183 |
end; |
|
184 |
||
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New(Result); |
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186 |
FillChar(Result^, sizeof(TVisualGear), 0); |
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Result^.X:= int2hwFloat(X); |
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Result^.Y:= int2hwFloat(Y); |
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Result^.Kind := Kind; |
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Result^.doStep:= doStepHandlers[Kind]; |
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191 |
|
1505 | 192 |
with Result^ do |
193 |
case Kind of |
|
194 |
vgtFlake: begin |
|
195 |
FrameTicks:= random(vobFrameTicks); |
|
196 |
Frame:= random(vobFramesCount); |
|
197 |
Angle:= random * 360; |
|
198 |
dx.isNegative:= random(2) = 0; |
|
199 |
dx.QWordValue:= random(100000000); |
|
200 |
dy.isNegative:= false; |
|
201 |
dy.QWordValue:= random(70000000); |
|
202 |
dAngle:= (random(2) * 2 - 1) * (1 + random) * vobVelocity / 1000 |
|
203 |
end; |
|
204 |
vgtCloud: begin |
|
205 |
Frame:= random(4); |
|
206 |
dx.isNegative:= random(2) = 0; |
|
207 |
dx.QWordValue:= random(214748364); |
|
208 |
dy.isNegative:= random(2) = 0; |
|
209 |
dy.QWordValue:= 21474836 + random(64424509); |
|
210 |
mdY:= dy.QWordValue |
|
211 |
end; |
|
212 |
vgtExplPart, |
|
213 |
vgtExplPart2: begin |
|
214 |
t:= random(1024); |
|
215 |
sp:= _0_001 * (random(95) + 70); |
|
216 |
dx:= AngleSin(t) * sp; |
|
217 |
dx.isNegative:= random(2) = 0; |
|
218 |
dy:= AngleCos(t) * sp; |
|
219 |
dy.isNegative:= random(2) = 0; |
|
220 |
Frame:= 7 - random(3); |
|
221 |
FrameTicks:= cExplFrameTicks |
|
222 |
end; |
|
223 |
vgtFire: begin |
|
224 |
t:= random(1024); |
|
225 |
sp:= _0_001 * (random(85) + 95); |
|
226 |
dx:= AngleSin(t) * sp; |
|
227 |
dx.isNegative:= random(2) = 0; |
|
228 |
dy:= AngleCos(t) * sp; |
|
229 |
dy.isNegative:= random(2) = 0; |
|
230 |
FrameTicks:= 650 + random(250); |
|
231 |
Frame:= random(8) |
|
232 |
end; |
|
233 |
vgtSmallDamageTag: begin |
|
234 |
Result^.FrameTicks:= 1100 |
|
235 |
end; |
|
236 |
end; |
|
803 | 237 |
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238 |
if VisualGearsList <> nil then |
1505 | 239 |
begin |
240 |
VisualGearsList^.PrevGear:= Result; |
|
241 |
Result^.NextGear:= VisualGearsList |
|
242 |
end; |
|
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243 |
VisualGearsList:= Result; |
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|
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AddVisualGear:= Result |
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246 |
end; |
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247 |
|
1041 | 248 |
procedure DeleteVisualGear(Gear: PVisualGear); |
249 |
begin |
|
1505 | 250 |
if Gear^.Tex <> nil then |
251 |
FreeTexture(Gear^.Tex); |
|
252 |
||
1041 | 253 |
if Gear^.NextGear <> nil then Gear^.NextGear^.PrevGear:= Gear^.PrevGear; |
254 |
if Gear^.PrevGear <> nil then Gear^.PrevGear^.NextGear:= Gear^.NextGear |
|
255 |
else VisualGearsList:= Gear^.NextGear; |
|
256 |
||
257 |
Dispose(Gear) |
|
258 |
end; |
|
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259 |
|
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260 |
procedure ProcessVisualGears(Steps: Longword); |
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261 |
var Gear, t: PVisualGear; |
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262 |
begin |
803 | 263 |
if Steps = 0 then exit; |
264 |
||
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265 |
t:= VisualGearsList; |
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266 |
while t <> nil do |
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267 |
begin |
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268 |
Gear:= t; |
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269 |
t:= Gear^.NextGear; |
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270 |
Gear^.doStep(Gear, Steps) |
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271 |
end |
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272 |
end; |
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273 |
|
1045 | 274 |
procedure DrawVisualGears(Layer: LongWord); |
802
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var Gear: PVisualGear; |
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begin |
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Gear:= VisualGearsList; |
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case Layer of |
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0: while Gear <> nil do |
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begin |
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case Gear^.Kind of |
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vgtFlake: if vobVelocity = 0 then |
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DrawSprite(sprFlake, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, Gear^.Frame) |
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else |
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DrawRotatedF(sprFlake, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, Gear^.Frame, 1, Gear^.Angle); |
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vgtCloud: DrawSprite(sprCloud, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, Gear^.Frame); |
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end; |
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Gear:= Gear^.NextGear |
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end; |
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1: while Gear <> nil do |
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begin |
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case Gear^.Kind of |
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vgtExplPart: DrawSprite(sprExplPart, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, 7 - Gear^.Frame); |
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vgtExplPart2: DrawSprite(sprExplPart2, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, 7 - Gear^.Frame); |
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vgtFire: DrawSprite(sprFlame, hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, (RealTicks div 64 + Gear^.Frame) mod 8); |
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vgtSmallDamageTag: DrawCentered(hwRound(Gear^.X) + WorldDx, hwRound(Gear^.Y) + WorldDy, Gear^.Tex); |
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end; |
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Gear:= Gear^.NextGear |
|
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end |
|
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end |
|
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end; |
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|
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procedure AddClouds; |
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var i: LongInt; |
803 | 305 |
begin |
1132 | 306 |
for i:= 0 to cCloudsNumber - 1 do |
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AddVisualGear( - cScreenWidth + i * ((cScreenWidth * 2 + (LAND_WIDTH+256)) div (cCloudsNumber + 1)), LAND_HEIGHT-1184, vgtCloud) |
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end; |
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|
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initialization |
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|
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finalization |
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|
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end. |