explosive/mine damage for shove fall. AI still seems to refuse to bat dud mines :(
(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*)
{$INCLUDE "options.inc"}
unit uAIMisc;
interface
uses SDLh, uConsts, uFloat, uTypes;
const MAXBONUS = 1024;
afTrackFall = $00000001;
afErasesLand = $00000002;
afSetSkip = $00000004;
BadTurn = Low(LongInt) div 4;
type TTarget = record
Point: TPoint;
Score: LongInt;
Density: real;
skip, matters, dead: boolean;
Kind: TGearType;
end;
TTargets = record
Count: Longword;
ar: array[0..Pred(256)] of TTarget;
reset: boolean;
end;
TJumpType = (jmpNone, jmpHJump, jmpLJump);
TGoInfo = record
Ticks: Longword;
FallPix: Longword;
JumpType: TJumpType;
end;
TBonus = record
X, Y: LongInt;
Radius: LongInt;
Score: LongInt;
end;
procedure initModule;
procedure freeModule;
procedure FillTargets;
procedure ResetTargets; inline;
procedure AddBonus(x, y: LongInt; r: Longword; s: LongInt); inline;
procedure FillBonuses(isAfterAttack: boolean);
procedure AwareOfExplosion(x, y, r: LongInt); inline;
function RatePlace(Gear: PGear): LongInt;
function TestColl(x, y, r: LongInt): boolean; inline;
function TestCollExcludingObjects(x, y, r: LongInt): boolean; inline;
function TestCollExcludingMe(Me: PGear; x, y, r: LongInt): boolean; inline;
function RateExplosion(Me: PGear; x, y, r: LongInt): LongInt; inline;
function RateExplosion(Me: PGear; x, y, r: LongInt; Flags: LongWord): LongInt; inline;
function RealRateExplosion(Me: PGear; x, y, r: LongInt; Flags: LongWord): LongInt;
function RateShove(Me: PGear; x, y, r, power, kick: LongInt; gdX, gdY: real; Flags: LongWord): LongInt;
function RateShotgun(Me: PGear; gdX, gdY: real; x, y: LongInt): LongInt;
function RateHammer(Me: PGear): LongInt;
function HHGo(Gear, AltGear: PGear; var GoInfo: TGoInfo): boolean;
function AIrndSign(num: LongInt): LongInt;
var ThinkingHH: PGear;
Targets: TTargets;
bonuses: record
Count: Longword;
ar: array[0..Pred(MAXBONUS)] of TBonus;
end;
walkbonuses: record
Count: Longword;
ar: array[0..Pred(MAXBONUS div 8)] of TBonus; // don't use too many
end;
const KillScore = 200;
var friendlyfactor: LongInt = 300;
var dmgMod: real = 1.0;
implementation
uses uCollisions, uVariables, uUtils, uLandTexture, uGearsUtils;
var
KnownExplosion: record
X, Y, Radius: LongInt
end = (X: 0; Y: 0; Radius: 0);
procedure ResetTargets; inline;
var i: LongWord;
begin
if Targets.reset then
for i:= 0 to Targets.Count do
Targets.ar[i].dead:= false;
Targets.reset:= false;
end;
procedure FillTargets;
var i, t: Longword;
f, e: LongInt;
Gear: PGear;
begin
Targets.Count:= 0;
Targets.reset:= false;
f:= 0;
e:= 0;
Gear:= GearsList;
while Gear <> nil do
begin
if ((Gear^.Kind = gtHedgehog) and
(Gear <> ThinkingHH) and
(Gear^.Health > Gear^.Damage) and
not(Gear^.Hedgehog^.Team^.hasgone)) or
((Gear^.Kind = gtExplosives) and
(Gear^.Health > Gear^.Damage)) or
((Gear^.Kind = gtMine) and
((Gear^.Health = 0) and
(Gear^.Damage < 35)) or
((Gear^.Health > 0) and
(cMineDudPercent > 95) and
(cMinesTime < 3000))
) and
(Targets.Count < 256) then
begin
with Targets.ar[Targets.Count] do
begin
skip:= false;
dead:= false;
Kind:= Gear^.Kind;
matters:= (Gear^.AIHints and aihDoesntMatter) = 0;
Point.X:= hwRound(Gear^.X);
Point.Y:= hwRound(Gear^.Y);
if (Gear^.Kind = gtHedgehog) then
begin
if (Gear^.Hedgehog^.Team^.Clan = CurrentTeam^.Clan) then
begin
Score:= Gear^.Damage - Gear^.Health;
inc(f)
end
else
begin
Score:= Gear^.Health - Gear^.Damage;
inc(e)
end;
Density:= 1;
end
else if Gear^.Kind = gtExplosives then
begin
Score:= Gear^.Health - Gear^.Damage;
Density:= 2
end
else if Gear^.Kind = gtMine then
begin
Score:= max(0,35-Gear^.Damage);
Density:= 1/3
end
end;
inc(Targets.Count)
end;
Gear:= Gear^.NextGear
end;
if e > f then friendlyfactor:= 300 + (e - f) * 30
else friendlyfactor:= max(30, 300 - f * 80 div max(1,e))
end;
procedure AddBonus(x, y: LongInt; r: Longword; s: LongInt); inline;
begin
if(bonuses.Count < MAXBONUS) then
begin
bonuses.ar[bonuses.Count].x:= x;
bonuses.ar[bonuses.Count].y:= y;
bonuses.ar[bonuses.Count].Radius:= r;
bonuses.ar[bonuses.Count].Score:= s;
inc(bonuses.Count);
end;
end;
procedure AddWalkBonus(x, y: LongInt; r: Longword; s: LongInt); inline;
begin
if(walkbonuses.Count < MAXBONUS div 8) then
begin
walkbonuses.ar[walkbonuses.Count].x:= x;
walkbonuses.ar[walkbonuses.Count].y:= y;
walkbonuses.ar[walkbonuses.Count].Radius:= r;
walkbonuses.ar[walkbonuses.Count].Score:= s;
inc(walkbonuses.Count);
end;
end;
procedure FillBonuses(isAfterAttack: boolean);
var Gear: PGear;
MyClan: PClan;
i: Longint;
begin
bonuses.Count:= 0;
MyClan:= ThinkingHH^.Hedgehog^.Team^.Clan;
Gear:= GearsList;
while Gear <> nil do
begin
case Gear^.Kind of
gtCase:
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y) + 3, 37, 25);
gtFlame:
if (Gear^.State and gsttmpFlag) <> 0 then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 20, -50);
// avoid mines unless they are very likely to be duds, or are duds. also avoid if they are about to blow
gtMine:
if ((Gear^.State and gstAttacking) = 0) and (((cMineDudPercent < 90) and (Gear^.Health <> 0))
or (isAfterAttack and (Gear^.Health = 0) and (Gear^.Damage > 30))) then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 50, -50)
else if (Gear^.State and gstAttacking) <> 0 then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 100, -50); // mine is on
gtExplosives:
if isAfterAttack then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 75, -60 + Gear^.Health);
gtSMine:
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 50, -30);
gtDynamite:
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 150, -75);
gtHedgehog:
begin
if Gear^.Damage >= Gear^.Health then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 60, -25)
else
if isAfterAttack
and (ThinkingHH^.Hedgehog <> Gear^.Hedgehog)
and ((hwAbs(Gear^.dX) + hwAbs(Gear^.dY)) < _0_1) then
if (ClansCount > 2) or (MyClan = Gear^.Hedgehog^.Team^.Clan) then
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 150, -3) // hedgehog-friend
else
AddBonus(hwRound(Gear^.X), hwRound(Gear^.Y), 100, 3)
end;
end;
Gear:= Gear^.NextGear
end;
if isAfterAttack and (KnownExplosion.Radius > 0) then
with KnownExplosion do
AddBonus(X, Y, Radius + 10, -Radius);
if isAfterAttack then
begin
for i:= 0 to Pred(walkbonuses.Count) do
with walkbonuses.ar[i] do
AddBonus(X, Y, Radius, Score);
walkbonuses.Count:= 0
end;
end;
procedure AwareOfExplosion(x, y, r: LongInt); inline;
begin
KnownExplosion.X:= x;
KnownExplosion.Y:= y;
KnownExplosion.Radius:= r
end;
function RatePlace(Gear: PGear): LongInt;
var i, r: LongInt;
rate: LongInt;
gX, gY: real;
begin
gX:= hwFloat2Float(Gear^.X);
gY:= hwFloat2Float(Gear^.Y);
rate:= 0;
for i:= 0 to Pred(bonuses.Count) do
with bonuses.ar[i] do
begin
r:= Radius;
if abs(gX-X)+abs(gY-Y) < Radius then
r:= trunc(sqrt(sqr(gX - X)+sqr(gY - Y)));
if r < 20 then
inc(rate, Score * Radius)
else if r < Radius then
inc(rate, Score * (Radius - r))
end;
RatePlace:= rate;
end;
function CheckBounds(x, y, r: Longint): boolean; inline;
begin
CheckBounds := (((x-r) and LAND_WIDTH_MASK) = 0) and
(((x+r) and LAND_WIDTH_MASK) = 0) and
(((y-r) and LAND_HEIGHT_MASK) = 0) and
(((y+r) and LAND_HEIGHT_MASK) = 0);
end;
function TestCollWithEverything(x, y, r: LongInt): boolean; inline;
begin
if not CheckBounds(x, y, r) then
exit(false);
if (Land[y-r, x] <> 0) or
(Land[y+r, x] <> 0) or
(Land[y, x+r] <> 0) or
(Land[y, x-r] <> 0) then
exit(true);
TestCollWithEverything := false;
end;
function TestCollExcludingObjects(x, y, r: LongInt): boolean; inline;
begin
if not CheckBounds(x, y, r) then
exit(false);
if (Land[y-r, x] > lfAllObjMask) or
(Land[y+r, x] > lfAllObjMask) or
(Land[y, x-r] > lfAllObjMask) or
(Land[y, x+r] > lfAllObjMask) then
exit(true);
TestCollExcludingObjects:= false;
end;
function TestColl(x, y, r: LongInt): boolean; inline;
begin
if not CheckBounds(x, y, r) then
exit(false);
if (Land[y-r, x] and lfNotCurrentMask <> 0) or
(Land[y+r, x] and lfNotCurrentMask <> 0) or
(Land[y, x-r] and lfNotCurrentMask <> 0) or
(Land[y, x+r] and lfNotCurrentMask <> 0) then
exit(true);
TestColl:= false;
end;
// Wrapper to test various approaches. If it works reasonably, will just replace.
// Right now, converting to hwFloat is a tad inefficient since the x/y were hwFloat to begin with...
function TestCollExcludingMe(Me: PGear; x, y, r: LongInt): boolean; inline;
var MeX, MeY: LongInt;
begin
if ((x and LAND_WIDTH_MASK) = 0) and ((y and LAND_HEIGHT_MASK) = 0) then
begin
MeX:= hwRound(Me^.X);
MeY:= hwRound(Me^.Y);
// We are still inside the hog. Skip radius test
if ((sqr(x-MeX) + sqr(y-MeY)) < 256) and (Land[y, x] and lfObjMask = 0) then
exit(false);
end;
TestCollExcludingMe:= TestCollWithEverything(x, y, r)
end;
function TraceFall(eX, eY: LongInt; var x, y: Real; dX, dY: Real; r: LongWord; Kind: TGearType): LongInt;
var skipLandCheck: boolean;
rCorner: real;
dmg, radius: LongInt;
begin
skipLandCheck:= true;
if x - eX < 0 then dX:= -dX;
if y - eY < 0 then dY:= -dY;
// ok. attempt approximate search for an unbroken trajectory into water. if it continues far enough, assume out of map
if Kind = gtHedgehog then
radius:= cHHRadius
else if Kind = gtExplosives then
radius:= 16
else if Kind = gtMine then
radius:= 2;
rCorner:= r * 0.75;
while true do
begin
x:= x + dX;
y:= y + dY;
dY:= dY + cGravityf;
skipLandCheck:= skipLandCheck and (r <> 0) and (abs(eX-x) + abs(eY-y) < r) and ((abs(eX-x) < rCorner) or (abs(eY-y) < rCorner));
if not skipLandCheck and TestCollExcludingObjects(trunc(x), trunc(y), radius) then
begin
if (Kind = gtHedgehog) and (0.4 < dY) then
begin
dmg := 1 + trunc((abs(dY) - 0.4) * 70);
if dmg >= 1 then exit(dmg)
end
// so. the problem w/ explosives is it only uses dX or dY depending on impact, and we don't know which we hit. Maybe we didn't even hit, given TestColl check corners.
else
begin
if ((dY > 0.2) and (Land[trunc(y)+radius, trunc(x)] > lfAllObjMask)) or
((dY < -0.2) and (Land[trunc(y)-radius, trunc(x)] > lfAllObjMask)) then
begin
dmg := 1 + trunc(abs(dY) * 70);
if dmg >= 1 then exit(dmg)
end
// so we don't know at present if a barrel is already rolling. Would need to add that to target info I guess
else if ((Kind = gtMine) or (abs(dX) > 0.15) or ((abs(dY) > 0.15) and (abs(dX) > 0.02))) and
(((dX > 0.2) and (Land[trunc(y), trunc(x)+radius] > lfAllObjMask)) or
((dX < -0.2) and (Land[trunc(y), trunc(x)-radius] > lfAllObjMask))) then
begin
dmg := 1 + trunc(abs(dX) * 70);
if dmg >= 1 then exit(dmg)
end
end;
exit(0)
end;
if (y > cWaterLine) or (x > 4096) or (x < 0) then exit(-1)
end
end;
function TraceShoveFall(var x, y: Real; dX, dY: Real; Kind: TGearType): LongInt;
var dmg, radius: LongInt;
begin
//v:= random($FFFFFFFF);
if Kind = gtHedgehog then
radius:= cHHRadius
else if Kind = gtExplosives then
radius:= 16
else if Kind = gtMine then
radius:= 2;
while true do
begin
x:= x + dX;
y:= y + dY;
dY:= dY + cGravityf;
{ if ((trunc(y) and LAND_HEIGHT_MASK) = 0) and ((trunc(x) and LAND_WIDTH_MASK) = 0) then
begin
LandPixels[trunc(y), trunc(x)]:= v;
UpdateLandTexture(trunc(X), 1, trunc(Y), 1, true);
end;}
// consider adding dX/dY calc here for fall damage
if TestCollExcludingObjects(trunc(x), trunc(y), cHHRadius) then
begin
if (Kind = gtHedgehog) and (0.4 < dY) then
begin
dmg := 1 + trunc((abs(dY) - 0.4) * 70);
if dmg >= 1 then
exit(dmg);
end
// so. the problem w/ explosives is it only uses dX or dY depending on impact, and we don't know which we hit. Maybe we didn't even hit, given TestColl check corners.
else
begin
if ((dY > 0.2) and (Land[trunc(y)+radius, trunc(x)] > lfAllObjMask)) or
((dY < -0.2) and (Land[trunc(y)-radius, trunc(x)] > lfAllObjMask)) then
begin
dmg := 1 + trunc(abs(dY) * 70);
if dmg >= 1 then exit(dmg)
end
// so we don't know at present if a barrel is already rolling. Would need to add that to target info I guess
else if ((Kind = gtMine) or (abs(dX) > 0.15) or ((abs(dY) > 0.15) and (abs(dX) > 0.02))) and
(((dX > 0.2) and (Land[trunc(y), trunc(x)+radius] > lfAllObjMask)) or
((dX < -0.2) and (Land[trunc(y), trunc(x)-radius] > lfAllObjMask))) then
begin
dmg := 1 + trunc(abs(dX) * 70);
if dmg >= 1 then exit(dmg)
end
end;
exit(0)
end;
if (y > cWaterLine) or (x > 4096) or (x < 0) then
// returning -1 for drowning so it can be considered in the Rate routine
exit(-1)
end;
end;
function RateExplosion(Me: PGear; x, y, r: LongInt): LongInt; inline;
begin
RateExplosion:= RealRateExplosion(Me, x, y, r, 0);
ResetTargets;
end;
function RateExplosion(Me: PGear; x, y, r: LongInt; Flags: LongWord): LongInt; inline;
begin
RateExplosion:= RealRateExplosion(Me, x, y, r, Flags);
ResetTargets;
end;
function RealRateExplosion(Me: PGear; x, y, r: LongInt; Flags: LongWord): LongInt;
var i, fallDmg, dmg, dmgBase, rate, subrate, erasure: LongInt;
pX, pY, dX, dY: real;
hadSkips: boolean;
begin
fallDmg:= 0;
rate:= 0;
// add our virtual position
with Targets.ar[Targets.Count] do
begin
Point.x:= hwRound(Me^.X);
Point.y:= hwRound(Me^.Y);
skip:= false;
matters:= true;
Score:= - ThinkingHH^.Health
end;
// rate explosion
dmgBase:= r + cHHRadius div 2;
if (Flags and afErasesLand <> 0) and (GameFlags and gfSolidLand = 0) then erasure:= r
else erasure:= 0;
hadSkips:= false;
for i:= 0 to Targets.Count do
if not Targets.ar[i].dead then
with Targets.ar[i] do
if not matters then hadSkips:= true
else
begin
dmg:= 0;
if abs(Point.x - x) + abs(Point.y - y) < dmgBase then
dmg:= trunc(dmgMod * min((dmgBase - trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y)))) div 2, r));
if dmg > 0 then
begin
pX:= Point.x;
pY:= Point.y;
if (Flags and afTrackFall <> 0) and (dmg < abs(Score)) then
begin
dX:= (0.005 * dmg + 0.01) / Density;
dY:= dX;
if (Kind = gtExplosives) and
(((abs(dY) > 0.15) and (abs(dX) < 0.02)) or
((abs(dY) < 0.15) and (abs(dX) < 0.15))) then
dX:= 0;
if (x and LAND_WIDTH_MASK = 0) and ((y+cHHRadius+2) and LAND_HEIGHT_MASK = 0) and
(Land[y+cHHRadius+2, x] and lfIndestructible <> 0) then
fallDmg:= trunc(TraceFall(x, y, pX, pY, dX, dY, 0, Kind) * dmgMod)
else fallDmg:= trunc(TraceFall(x, y, pX, pY, dX, dY, erasure, Kind) * dmgMod)
end;
if Kind = gtHedgehog then
begin
if fallDmg < 0 then // drowning. score healthier hogs higher, since their death is more likely to benefit the AI
begin
if Score > 0 then
inc(rate, (KillScore + Score div 10) * 1024) // Add a bit of a bonus for bigger hog drownings
else
dec(rate, (KillScore * friendlyfactor div 100 - Score div 10) * 1024) // and more of a punishment for drowning bigger friendly hogs
end
else if (dmg+fallDmg) >= abs(Score) then
begin
dead:= true;
Targets.reset:= true;
if dX < 0.035 then
begin
subrate:= RealRateExplosion(Me, round(pX), round(pY), 61, afErasesLand or (Flags and afTrackFall));
if abs(subrate) > 2000 then inc(Rate,subrate)
end;
if Score > 0 then
inc(rate, KillScore * 1024 + (dmg + fallDmg)) // tiny bonus for dealing more damage than needed to kill
else dec(rate, KillScore * friendlyfactor div 100 * 1024)
end
else
begin
if Score > 0 then
inc(rate, (dmg + fallDmg) * 1024)
else dec(rate, (dmg + fallDmg) * friendlyfactor div 100 * 1024)
end
end
// FIXME - need to make TraceFall calculate damage for barrels/mines correctly
else if (Kind <> gtHedgehog) and (FallDmg >= 0) and ((dmg+fallDmg) >= Score) then
begin
dead:= true;
Targets.reset:= true;
if Kind = gtExplosives then
subrate:= RealRateExplosion(Me, round(pX), round(pY), 151, afErasesLand or (Flags and afTrackFall))
else subrate:= RealRateExplosion(Me, round(pX), round(pY), 101, afErasesLand or (Flags and afTrackFall));
if abs(subrate) > 2000 then inc(Rate,subrate);
end
end
end;
if hadSkips and (rate = 0) then
RealRateExplosion:= BadTurn
else
RealRateExplosion:= rate;
end;
function RateShove(Me: PGear; x, y, r, power, kick: LongInt; gdX, gdY: real; Flags: LongWord): LongInt;
var i, fallDmg, dmg, rate, subrate: LongInt;
dX, dY, pX, pY: real;
begin
fallDmg:= 0;
dX:= gdX * 0.01 * kick;
dY:= gdY * 0.01 * kick;
rate:= 0;
for i:= 0 to Pred(Targets.Count) do
with Targets.ar[i] do
if skip then
if (Flags and afSetSkip = 0) then skip:= false else {still skip}
else if matters then
begin
dmg:= 0;
if abs(Point.x - x) + abs(Point.y - y) < r then
dmg:= r - trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y)));
if dmg > 0 then
begin
pX:= Point.x;
pY:= Point.y-2;
if (Flags and afSetSkip <> 0) then skip:= true;
if (Flags and afTrackFall <> 0) and (Score > 0) then
fallDmg:= trunc(TraceShoveFall(pX, pY, dX, dY, Kind) * dmgMod);
if Kind = gtHedgehog then
begin
if fallDmg < 0 then // drowning. score healthier hogs higher, since their death is more likely to benefit the AI
begin
if Score > 0 then
inc(rate, KillScore + Score div 10) // Add a bit of a bonus for bigger hog drownings
else
dec(rate, KillScore * friendlyfactor div 100 - Score div 10) // and more of a punishment for drowning bigger friendly hogs
end
else if power+fallDmg >= abs(Score) then
begin
dead:= true;
Targets.reset:= true;
if dX < 0.035 then
begin
subrate:= RealRateExplosion(Me, round(pX), round(pY), 61, afErasesLand or afTrackFall);
if abs(subrate) > 2000 then inc(Rate,subrate div 1024)
end;
if Score > 0 then
inc(rate, KillScore)
else
dec(rate, KillScore * friendlyfactor div 100)
end
else
begin
if Score > 0 then
inc(rate, power+fallDmg)
else
dec(rate, (power+fallDmg) * friendlyfactor div 100)
end
end
// FIXME - need to make TraceFall calculate damage for barrels/mines correctly
else if (Kind <> gtHedgehog) and (fallDmg >= 0) and ((power+fallDmg) >= Score) then
begin
dead:= true;
Targets.reset:= true;
if Kind = gtExplosives then
subrate:= RealRateExplosion(Me, round(pX), round(pY), 151, afErasesLand or (Flags and afTrackFall))
else subrate:= RealRateExplosion(Me, round(pX), round(pY), 101, afErasesLand or (Flags and afTrackFall));
if abs(subrate) > 2000 then inc(Rate,subrate div 1024);
end
end
end;
RateShove:= rate * 1024
end;
function RateShotgun(Me: PGear; gdX, gdY: real; x, y: LongInt): LongInt;
var i, dmg, fallDmg, baseDmg, rate, subrate, erasure: LongInt;
pX, pY, dX, dY: real;
hadSkips: boolean;
begin
rate:= 0;
gdX:= gdX * 0.01;
gdY:= gdX * 0.01;
// add our virtual position
with Targets.ar[Targets.Count] do
begin
Point.x:= hwRound(Me^.X);
Point.y:= hwRound(Me^.Y);
skip:= false;
matters:= true;
Score:= - ThinkingHH^.Health
end;
// rate shot
baseDmg:= cHHRadius + cShotgunRadius + 4;
if GameFlags and gfSolidLand = 0 then erasure:= cShotgunRadius
else erasure:= 0;
hadSkips:= false;
for i:= 0 to Targets.Count do
if not Targets.ar[i].dead then
with Targets.ar[i] do
if not matters then hadSkips:= true
else
begin
dmg:= 0;
if abs(Point.x - x) + abs(Point.y - y) < baseDmg then
begin
dmg:= min(baseDmg - trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y))), 25);
dmg:= trunc(dmg * dmgMod);
end;
if dmg > 0 then
begin
pX:= Point.x;
pY:= Point.y;
dX:= gdX * dmg / Density;
dY:= gdY * dmg / Density;
if dX < 0 then dX:= dX - 0.01
else dX:= dX + 0.01;
if (x and LAND_WIDTH_MASK = 0) and ((y+cHHRadius+2) and LAND_HEIGHT_MASK = 0) and
(Land[y+cHHRadius+2, x] and lfIndestructible <> 0) then
fallDmg:= trunc(TraceFall(x, y, pX, pY, dX, dY, 0, Kind) * dmgMod)
else fallDmg:= trunc(TraceFall(x, y, pX, pY, dX, dY, erasure, Kind) * dmgMod);
if Kind = gtHedgehog then
begin
if fallDmg < 0 then // drowning. score healthier hogs higher, since their death is more likely to benefit the AI
begin
if Score > 0 then
inc(rate, KillScore + Score div 10) // Add a bit of a bonus for bigger hog drownings
else
dec(rate, KillScore * friendlyfactor div 100 - Score div 10) // and more of a punishment for drowning bigger friendly hogs
end
else if (dmg+fallDmg) >= abs(Score) then
begin
dead:= true;
Targets.reset:= true;
if dX < 0.035 then
begin
subrate:= RealRateExplosion(Me, round(pX), round(pY), 61, afErasesLand or afTrackFall);
if abs(subrate) > 2000 then inc(Rate,subrate div 1024)
end;
if Score > 0 then
inc(rate, KillScore)
else
dec(rate, KillScore * friendlyfactor div 100)
end
else if Score > 0 then
inc(rate, dmg+fallDmg)
else dec(rate, (dmg+fallDmg) * friendlyfactor div 100)
end
// FIXME - need to make TraceFall calculate damage for barrels/mines correctly
else if (Kind <> gtHedgehog) and (fallDmg >= 0) and ((dmg+fallDmg) >= Score) then
begin
dead:= true;
Targets.reset:= true;
if Kind = gtExplosives then
subrate:= RealRateExplosion(Me, round(pX), round(pY), 151, afErasesLand or afTrackFall)
else subrate:= RealRateExplosion(Me, round(pX), round(pY), 101, afErasesLand or afTrackFall);
if abs(subrate) > 2000 then inc(Rate,subrate div 1024);
end
end
end;
if hadSkips and (rate = 0) then
RateShotgun:= BadTurn
else
RateShotgun:= rate * 1024;
ResetTargets;
end;
function RateHammer(Me: PGear): LongInt;
var x, y, i, r, rate: LongInt;
begin
// hammer hit shift against attecker hog is 10
x:= hwRound(Me^.X) + hwSign(Me^.dX) * 10;
y:= hwRound(Me^.Y);
rate:= 0;
for i:= 0 to Pred(Targets.Count) do
with Targets.ar[i] do
// hammer hit radius is 8, shift is 10
if matters and (Kind = gtHedgehog) and (abs(Point.x - x) + abs(Point.y - y) < 18) then
begin
r:= trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y)));
if r <= 18 then
if Score > 0 then
inc(rate, Score div 3)
else
inc(rate, Score div 3 * friendlyfactor div 100)
end;
RateHammer:= rate * 1024;
end;
function HHJump(Gear: PGear; JumpType: TJumpType; var GoInfo: TGoInfo): boolean;
var bX, bY: LongInt;
begin
HHJump:= false;
GoInfo.Ticks:= 0;
GoInfo.JumpType:= jmpNone;
bX:= hwRound(Gear^.X);
bY:= hwRound(Gear^.Y);
case JumpType of
jmpNone: exit(false);
jmpHJump:
if TestCollisionYwithGear(Gear, -1) = 0 then
begin
Gear^.dY:= -_0_2;
SetLittle(Gear^.dX);
Gear^.State:= Gear^.State or gstMoving or gstHHJumping;
end
else
exit(false);
jmpLJump:
begin
if TestCollisionYwithGear(Gear, -1) <> 0 then
if not TestCollisionXwithXYShift(Gear, _0, -2, hwSign(Gear^.dX)) then
Gear^.Y:= Gear^.Y - int2hwFloat(2)
else
if not TestCollisionXwithXYShift(Gear, _0, -1, hwSign(Gear^.dX)) then
Gear^.Y:= Gear^.Y - _1;
if not (TestCollisionXwithGear(Gear, hwSign(Gear^.dX)) or
(TestCollisionYwithGear(Gear, -1) <> 0)) then
begin
Gear^.dY:= -_0_15;
Gear^.dX:= SignAs(_0_15, Gear^.dX);
Gear^.State:= Gear^.State or gstMoving or gstHHJumping
end
else
exit(false)
end
end;
repeat
{if ((hwRound(Gear^.Y) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X) and LAND_WIDTH_MASK) = 0) then
begin
LandPixels[hwRound(Gear^.Y), hwRound(Gear^.X)]:= Gear^.Hedgehog^.Team^.Clan^.Color;
UpdateLandTexture(hwRound(Gear^.X), 1, hwRound(Gear^.Y), 1, true);
end;}
if not (hwRound(Gear^.Y) + cHHRadius < cWaterLine) then
exit(false);
if (Gear^.State and gstMoving) <> 0 then
begin
if (GoInfo.Ticks = 350) then
if (not (hwAbs(Gear^.dX) > cLittle)) and (Gear^.dY < -_0_02) then
begin
Gear^.dY:= -_0_25;
Gear^.dX:= SignAs(_0_02, Gear^.dX)
end;
if TestCollisionXwithGear(Gear, hwSign(Gear^.dX)) then SetLittle(Gear^.dX);
Gear^.X:= Gear^.X + Gear^.dX;
inc(GoInfo.Ticks);
Gear^.dY:= Gear^.dY + cGravity;
if Gear^.dY > _0_4 then
exit(false);
if (Gear^.dY.isNegative) and (TestCollisionYwithGear(Gear, -1) <> 0) then
Gear^.dY:= _0;
Gear^.Y:= Gear^.Y + Gear^.dY;
if (not Gear^.dY.isNegative) and (TestCollisionYwithGear(Gear, 1) <> 0) then
begin
Gear^.State:= Gear^.State and (not (gstMoving or gstHHJumping));
Gear^.dY:= _0;
case JumpType of
jmpHJump:
if bY - hwRound(Gear^.Y) > 5 then
begin
GoInfo.JumpType:= jmpHJump;
inc(GoInfo.Ticks, 300 + 300); // 300 before jump, 300 after
exit(true)
end;
jmpLJump:
if abs(bX - hwRound(Gear^.X)) > 30 then
begin
GoInfo.JumpType:= jmpLJump;
inc(GoInfo.Ticks, 300 + 300); // 300 before jump, 300 after
exit(true)
end
end;
exit(false)
end;
end;
until false
end;
function HHGo(Gear, AltGear: PGear; var GoInfo: TGoInfo): boolean;
var pX, pY, tY: LongInt;
begin
HHGo:= false;
Gear^.CollisionMask:= lfNotCurrentMask;
AltGear^:= Gear^;
GoInfo.Ticks:= 0;
GoInfo.FallPix:= 0;
GoInfo.JumpType:= jmpNone;
tY:= hwRound(Gear^.Y);
repeat
{if ((hwRound(Gear^.Y) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X) and LAND_WIDTH_MASK) = 0) then
begin
LandPixels[hwRound(Gear^.Y), hwRound(Gear^.X)]:= random($FFFFFFFF);//Gear^.Hedgehog^.Team^.Clan^.Color;
UpdateLandTexture(hwRound(Gear^.X), 1, hwRound(Gear^.Y), 1, true);
end;}
pX:= hwRound(Gear^.X);
pY:= hwRound(Gear^.Y);
if pY + cHHRadius >= cWaterLine then
begin
if AltGear^.Hedgehog^.BotLevel < 4 then
AddWalkBonus(pX, tY, 250, -40);
exit(false)
end;
// hog is falling
if (Gear^.State and gstMoving) <> 0 then
begin
inc(GoInfo.Ticks);
Gear^.dY:= Gear^.dY + cGravity;
if Gear^.dY > _0_4 then
begin
GoInfo.FallPix:= 0;
// try ljump instead of fall with damage
HHJump(AltGear, jmpLJump, GoInfo);
if AltGear^.Hedgehog^.BotLevel < 4 then
AddWalkBonus(pX, tY, 175, -20);
exit(false)
end;
Gear^.Y:= Gear^.Y + Gear^.dY;
if hwRound(Gear^.Y) > pY then
inc(GoInfo.FallPix);
if TestCollisionYwithGear(Gear, 1) <> 0 then
begin
inc(GoInfo.Ticks, 410);
Gear^.State:= Gear^.State and (not (gstMoving or gstHHJumping));
Gear^.dY:= _0;
// try ljump instead of fall
HHJump(AltGear, jmpLJump, GoInfo);
exit(true)
end;
continue
end;
// usual walk
if (Gear^.Message and gmLeft) <> 0 then
Gear^.dX:= -cLittle
else
if (Gear^.Message and gmRight) <> 0 then
Gear^.dX:= cLittle
else
exit(false);
if MakeHedgehogsStep(Gear) then
inc(GoInfo.Ticks, cHHStepTicks);
// we have moved for 1 px
if (pX <> hwRound(Gear^.X)) and ((Gear^.State and gstMoving) = 0) then
exit(true)
until (pX = hwRound(Gear^.X)) and (pY = hwRound(Gear^.Y)) and ((Gear^.State and gstMoving) = 0);
HHJump(AltGear, jmpHJump, GoInfo);
end;
function AIrndSign(num: LongInt): LongInt;
begin
if random(2) = 0 then
AIrndSign:= num
else
AIrndSign:= - num
end;
procedure initModule;
begin
friendlyfactor:= 300;
KnownExplosion.X:= 0;
KnownExplosion.Y:= 0;
KnownExplosion.Radius:= 0;
end;
procedure freeModule;
begin
end;
end.