hedgewars/uLandGraphics.pas
author sheepluva
Tue, 29 Jun 2010 07:09:55 +0200
changeset 3585 39570d86de57
parent 3554 066faceb977d
child 3595 341e407e3754
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rope: optimization, should save up to ~3 million hwFloat multiplications per second
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2005-2010 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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{$INCLUDE "options.inc"}
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unit uLandGraphics;
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interface
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uses uFloat, uConsts;
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type PRangeArray = ^TRangeArray;
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     TRangeArray = array[0..31] of record
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                                   Left, Right: LongInt;
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                                   end;
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function  SweepDirty: boolean;
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function  Despeckle(X, Y: LongInt): boolean;
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function  CheckLandValue(X, Y: LongInt; LandFlag: Word): boolean;
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procedure DrawExplosion(X, Y, Radius: LongInt);
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procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
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procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
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procedure FillRoundInLand(X, Y, Radius: LongInt; Value: Longword);
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procedure ChangeRoundInLand(X, Y, Radius: LongInt; doSet: boolean);
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function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean): boolean;
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implementation
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uses SDLh, uMisc, uLand, uLandTexture;
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procedure FillCircleLines(x, y, dx, dy: LongInt; Value: Longword);
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var i: LongInt;
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begin
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if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (Land[y + dy, i] and lfIndestructible) = 0 then
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            Land[y + dy, i]:= Value;
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if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (Land[y - dy, i] and lfIndestructible) = 0 then
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            Land[y - dy, i]:= Value;
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if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (Land[y + dx, i] and lfIndestructible) = 0 then
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            Land[y + dx, i]:= Value;
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if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (Land[y - dx, i] and lfIndestructible) = 0 then
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            Land[y - dx, i]:= Value;
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end;
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procedure ChangeCircleLines(x, y, dx, dy: LongInt; doSet: boolean);
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var i: LongInt;
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begin
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if not doSet then
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   begin
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   if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y + dy, i] > 0) and (Land[y + dy, i] < 256) then dec(Land[y + dy, i]); // check > 0 because explosion can erase collision data
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   if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y - dy, i] > 0) and (Land[y - dy, i] < 256) then dec(Land[y - dy, i]);
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   if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y + dx, i] > 0) and (Land[y + dx, i] < 256) then dec(Land[y + dx, i]);
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   if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y - dx, i] > 0) and (Land[y - dx, i] < 256) then dec(Land[y - dx, i]);
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   end else
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   begin
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   if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y + dy, i] < 256) then
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              inc(Land[y + dy, i]);
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   if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y - dy, i] < 256) then
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              inc(Land[y - dy, i]);
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   if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y + dx, i] < 256) then
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              inc(Land[y + dx, i]);
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   if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y - dx, i] < 256) then
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              inc(Land[y - dx, i]);
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   end
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end;
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procedure FillRoundInLand(X, Y, Radius: LongInt; Value: Longword);
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var dx, dy, d: LongInt;
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begin
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  dx:= 0;
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  dy:= Radius;
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  d:= 3 - 2 * Radius;
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  while (dx < dy) do
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     begin
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     FillCircleLines(x, y, dx, dy, Value);
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     if (d < 0)
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     then d:= d + 4 * dx + 6
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     else begin
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          d:= d + 4 * (dx - dy) + 10;
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          dec(dy)
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          end;
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     inc(dx)
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     end;
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  if (dx = dy) then FillCircleLines(x, y, dx, dy, Value);
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end;
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procedure ChangeRoundInLand(X, Y, Radius: LongInt; doSet: boolean);
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var dx, dy, d: LongInt;
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begin
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  dx:= 0;
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  dy:= Radius;
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  d:= 3 - 2 * Radius;
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  while (dx < dy) do
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     begin
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     ChangeCircleLines(x, y, dx, dy, doSet);
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     if (d < 0)
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     then d:= d + 4 * dx + 6
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     else begin
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          d:= d + 4 * (dx - dy) + 10;
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          dec(dy)
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          end;
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     inc(dx)
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     end;
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  if (dx = dy) then ChangeCircleLines(x, y, dx, dy, doSet)
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end;
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procedure FillLandCircleLines0(x, y, dx, dy: LongInt);
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var i: LongInt;
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begin
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if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (not isMap and ((Land[y + dy, i] and lfIndestructible) = 0)) or ((Land[y + dy, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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            LandPixels[(y + dy) div 2, i div 2]:= 0;
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{$ELSE}
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            LandPixels[y + dy, i]:= 0;
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{$ENDIF}
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if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (not isMap and ((Land[y - dy, i] and lfIndestructible) = 0)) or ((Land[y - dy, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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             LandPixels[(y - dy) div 2, i div 2]:= 0;
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{$ELSE}
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             LandPixels[y - dy, i]:= 0;
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{$ENDIF}
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if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (not isMap and ((Land[y + dx, i] and lfIndestructible) = 0)) or ((Land[y + dx, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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            LandPixels[(y + dx) div 2, i div 2]:= 0;
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{$ELSE}
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            LandPixels[y + dx, i]:= 0;
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{$ENDIF}
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if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (not isMap and ((Land[y - dx, i] and lfIndestructible) = 0)) or ((Land[y - dx, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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             LandPixels[(y - dx) div 2, i div 2]:= 0;
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{$ELSE}
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             LandPixels[y - dx, i]:= 0;
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{$ENDIF}
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end;
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procedure FillLandCircleLinesBG(x, y, dx, dy: LongInt);
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var i: LongInt;
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begin
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if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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       if ((Land[y + dy, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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          LandPixels[(y + dy) div 2, i div 2]:= LandBackPixel(i, y + dy)
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{$ELSE}
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          LandPixels[y + dy, i]:= LandBackPixel(i, y + dy)
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{$ENDIF}
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       else
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{$IFDEF DOWNSCALE}
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          if ((Land[y + dy, i] and lfObject) <> 0) then LandPixels[(y + dy) div 2, i div 2]:= 0;
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{$ELSE}
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          if ((Land[y + dy, i] and lfObject) <> 0) then LandPixels[y + dy, i]:= 0;
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{$ENDIF}
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if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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       if ((Land[y - dy, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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          LandPixels[(y - dy) div 2, i div 2]:= LandBackPixel(i, y - dy)
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{$ELSE}
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          LandPixels[y - dy, i]:= LandBackPixel(i, y - dy)
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{$ENDIF}
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       else
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{$IFDEF DOWNSCALE}
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          if ((Land[y - dy, i] and lfObject) <> 0) then LandPixels[(y - dy) div 2, i div 2]:= 0;
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{$ELSE}
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          if ((Land[y - dy, i] and lfObject) <> 0) then LandPixels[y - dy, i]:= 0;
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{$ENDIF}
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if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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       if ((Land[y + dx, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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           LandPixels[(y + dx) div 2, i div 2]:= LandBackPixel(i, y + dx)
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{$ELSE}
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           LandPixels[y + dx, i]:= LandBackPixel(i, y + dx)
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{$ENDIF}
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       else
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{$IFDEF DOWNSCALE}
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          if ((Land[y + dx, i] and lfObject) <> 0) then LandPixels[(y + dx) div 2, i div 2]:= 0;
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{$ELSE}
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          if ((Land[y + dx, i] and lfObject) <> 0) then LandPixels[y + dx, i]:= 0;
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{$ENDIF}
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if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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       if ((Land[y - dx, i] and lfBasic) <> 0) then
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{$IFDEF DOWNSCALE}
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          LandPixels[(y - dx) div 2, i div 2]:= LandBackPixel(i, y - dx)
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{$ELSE}
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          LandPixels[y - dx, i]:= LandBackPixel(i, y - dx)
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{$ENDIF}
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       else
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{$IFDEF DOWNSCALE}
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          if ((Land[y - dx, i] and lfObject) <> 0) then LandPixels[(y - dx) div 2, i div 2]:= 0;
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{$ELSE}
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          if ((Land[y - dx, i] and lfObject) <> 0) then LandPixels[y - dx, i]:= 0;
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{$ENDIF}
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end;
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371
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procedure FillLandCircleLinesEBC(x, y, dx, dy: LongInt);
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var i: LongInt;
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begin
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if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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       if ((Land[y + dy, i] and lfBasic) <> 0) or ((Land[y + dy, i] and lfObject) <> 0) then
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          begin
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{$IFDEF DOWNSCALE}
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          LandPixels[(y + dy) div 2, i div 2]:= cExplosionBorderColor;
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{$ELSE}
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          LandPixels[y + dy, i]:= cExplosionBorderColor;
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{$ENDIF}
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          Land[y + dy, i]:= Land[y + dy, i] or lfDamaged;
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          Despeckle(i, y + dy);
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          LandDirty[(y + dy) div 32, i div 32]:= 1;
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          end;
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if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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       if ((Land[y - dy, i] and lfBasic) <> 0) or ((Land[y - dy, i] and lfObject) <> 0) then
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          begin
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{$IFDEF DOWNSCALE}
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          LandPixels[(y - dy) div 2, i div 2]:= cExplosionBorderColor;
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{$ELSE}
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          LandPixels[y - dy, i]:= cExplosionBorderColor;
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{$ENDIF}
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          Land[y - dy, i]:= Land[y - dy, i] or lfDamaged;
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          Despeckle(i, y - dy);
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          LandDirty[(y - dy) div 32, i div 32]:= 1;
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          end;
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if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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       if ((Land[y + dx, i] and lfBasic) <> 0) or ((Land[y + dx, i] and lfObject) <> 0) then
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           begin
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{$IFDEF DOWNSCALE}
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           LandPixels[(y + dx) div 2, i div 2]:= cExplosionBorderColor;
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{$ELSE}
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           LandPixels[y + dx, i]:= cExplosionBorderColor;
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{$ENDIF}
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           Land[y + dx, i]:= Land[y + dx, i] or lfDamaged;
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           Despeckle(i, y + dx);
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           LandDirty[(y + dx) div 32, i div 32]:= 1;
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           end;
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if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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       if ((Land[y - dx, i] and lfBasic) <> 0) or ((Land[y - dx, i] and lfObject) <> 0) then
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          begin
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{$IFDEF DOWNSCALE}
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          LandPixels[(y - dx) div 2, i div 2]:= cExplosionBorderColor;
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{$ELSE}
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          LandPixels[y - dx, i]:= cExplosionBorderColor;
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   291
{$ENDIF}
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          Land[y - dx, i]:= Land[y - dx, i] or lfDamaged;
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          Despeckle(i, y - dy);
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          LandDirty[(y - dx) div 32, i div 32]:= 1;
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          end;
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end;
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procedure DrawExplosion(X, Y, Radius: LongInt);
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var dx, dy, ty, tx, d: LongInt;
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begin
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// draw background land texture
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    begin
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    dx:= 0;
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    dy:= Radius;
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    d:= 3 - 2 * Radius;
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    while (dx < dy) do
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        begin
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        FillLandCircleLinesBG(x, y, dx, dy);
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        if (d < 0)
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        then d:= d + 4 * dx + 6
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        else begin
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            d:= d + 4 * (dx - dy) + 10;
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            dec(dy)
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            end;
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        inc(dx)
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        end;
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    if (dx = dy) then FillLandCircleLinesBG(x, y, dx, dy);
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    end;
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// draw a hole in land
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if Radius > 20 then
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    begin
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    dx:= 0;
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    dy:= Radius - 15;
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    d:= 3 - 2 * dy;
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    while (dx < dy) do
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        begin
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        FillLandCircleLines0(x, y, dx, dy);
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        if (d < 0)
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        then d:= d + 4 * dx + 6
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        else begin
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            d:= d + 4 * (dx - dy) + 10;
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            dec(dy)
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            end;
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        inc(dx)
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        end;
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    if (dx = dy) then FillLandCircleLines0(x, y, dx, dy);
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    end;
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  // FillRoundInLand after erasing land pixels to allow Land 0 check for mask.png to function
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    FillRoundInLand(X, Y, Radius, 0);
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// draw explosion border
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    begin
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    inc(Radius, 4);
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    dx:= 0;
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    dy:= Radius;
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    d:= 3 - 2 * Radius;
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    while (dx < dy) do
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        begin
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        FillLandCircleLinesEBC(x, y, dx, dy);
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        if (d < 0)
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   356
        then d:= d + 4 * dx + 6
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        else begin
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            d:= d + 4 * (dx - dy) + 10;
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            dec(dy)
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            end;
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        inc(dx)
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        end;
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    if (dx = dy) then FillLandCircleLinesEBC(x, y, dx, dy);
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   364
    end;
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tx:= max(X - Radius - 1, 0);
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dx:= min(X + Radius + 1, LAND_WIDTH) - tx;
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ty:= max(Y - Radius - 1, 0);
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dy:= min(Y + Radius + 1, LAND_HEIGHT) - ty;
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UpdateLandTexture(tx, dx, ty, dy)
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   371
end;
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   372
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   373
procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
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   374
var tx, ty, i: LongInt;
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   375
begin
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   376
for i:= 0 to Pred(Count) do
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   377
    begin
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   378
    for ty:= max(y - Radius, 0) to min(y + Radius, LAND_HEIGHT) do
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   379
        for tx:= max(0, ar^[i].Left - Radius) to min(LAND_WIDTH, ar^[i].Right + Radius) do
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   380
            if (Land[ty, tx] and lfBasic) <> 0 then
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   381
{$IFDEF DOWNSCALE}
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   382
                LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
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   383
{$ELSE}
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   384
                LandPixels[ty, tx]:= LandBackPixel(tx, ty)
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   385
{$ENDIF}
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   386
            else if (Land[ty, tx] and lfObject) <> 0 then
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nemo
parents: 3236
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   387
{$IFDEF DOWNSCALE}
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nemo
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   388
                LandPixels[ty div 2, tx div 2]:= 0;
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   389
{$ELSE}
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unc0rr
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   390
                LandPixels[ty, tx]:= 0;
3509
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nemo
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   391
{$ENDIF}
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   392
    inc(y, dY)
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   393
    end;
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   394
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   395
inc(Radius, 4);
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   396
dec(y, Count * dY);
184
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   397
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   398
for i:= 0 to Pred(Count) do
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   399
    begin
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
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   400
    for ty:= max(y - Radius, 0) to min(y + Radius, LAND_HEIGHT) do
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
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   401
        for tx:= max(0, ar^[i].Left - Radius) to min(LAND_WIDTH, ar^[i].Right + Radius) do
3519
56cbc035b74b rename flags
nemo
parents: 3518
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   402
            if ((Land[ty, tx] and lfBasic) <> 0) or ((Land[ty, tx] and lfObject) <> 0) then
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
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   403
                begin
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nemo
parents: 3236
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   404
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   405
                LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor;
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nemo
parents: 3236
diff changeset
   406
{$ELSE}
1738
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unc0rr
parents: 1066
diff changeset
   407
                LandPixels[ty, tx]:= cExplosionBorderColor;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   408
{$ENDIF}
3519
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nemo
parents: 3518
diff changeset
   409
                Land[ty, tx]:= Land[ty, tx] or lfDamaged;
2647
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unc0rr
parents: 2646
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   410
                LandDirty[(y + dy) shr 5, i shr 5]:= 1;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   411
                end;
184
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   412
    inc(y, dY)
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parents: 109
diff changeset
   413
    end;
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unc0rr
parents: 109
diff changeset
   414
818
635e58295079 Fix drill bug
unc0rr
parents: 772
diff changeset
   415
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
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   416
UpdateLandTexture(0, LAND_WIDTH, 0, LAND_HEIGHT)
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   417
end;
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   418
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   419
//
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   420
//  - (dX, dY) - direction, vector of length = 0.5
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   421
//
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
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   422
procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
358
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diff changeset
   423
var nx, ny, dX8, dY8: hwFloat;
1809
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unc0rr
parents: 1807
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   424
    i, t, tx, ty, stX, stY, ddy, ddx: Longint;
184
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unc0rr
parents: 109
diff changeset
   425
begin  // (-dY, dX) is (dX, dY) rotated by PI/2
772
e8d530ca77be Don't update all land texture when drawing tunnel (saves video throughput)
unc0rr
parents: 769
diff changeset
   426
stY:= hwRound(Y);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   427
stX:= hwRound(X);
772
e8d530ca77be Don't update all land texture when drawing tunnel (saves video throughput)
unc0rr
parents: 769
diff changeset
   428
184
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unc0rr
parents: 109
diff changeset
   429
nx:= X + dY * (HalfWidth + 8);
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unc0rr
parents: 109
diff changeset
   430
ny:= Y - dX * (HalfWidth + 8);
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unc0rr
parents: 109
diff changeset
   431
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   432
dX8:= dX * 8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   433
dY8:= dY * 8;
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unc0rr
parents: 109
diff changeset
   434
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   435
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   436
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   437
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   438
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   439
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   440
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   441
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   442
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   443
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   444
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   445
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   446
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   447
       ((Land[ty, tx] and lfObject) <> 0)) then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   448
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   449
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   450
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   451
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   452
{$ELSE}
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   453
        LandPixels[ty, tx]:= cExplosionBorderColor
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   454
{$ENDIF}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   455
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   456
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   457
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   458
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   459
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   460
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   461
for i:= -HalfWidth to HalfWidth do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   462
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   463
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   464
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   465
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   466
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   467
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   468
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   469
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   470
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   471
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   472
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   473
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   474
       ((Land[ty, tx] and lfObject) <> 0)) then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   475
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   476
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   477
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   478
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   479
{$ELSE}
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   480
        LandPixels[ty, tx]:= cExplosionBorderColor
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   481
{$ENDIF}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   482
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   483
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   484
    X:= nx;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   485
    Y:= ny;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   486
    for t:= 0 to ticks do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   487
        begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   488
        X:= X + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   489
        Y:= Y + dY;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   490
        tx:= hwRound(X);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   491
        ty:= hwRound(Y);
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   492
        if ((ty and LAND_HEIGHT_MASK) = 0) and ((tx and LAND_WIDTH_MASK) = 0) and ((Land[ty, tx] and lfIndestructible) = 0) then
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   493
            begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   494
            if (Land[ty, tx] and lfBasic) <> 0 then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   495
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   496
                LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   497
{$ELSE}
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   498
                LandPixels[ty, tx]:= LandBackPixel(tx, ty)
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   499
{$ENDIF}
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   500
            else if (Land[ty, tx] and lfObject) <> 0 then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   501
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   502
                LandPixels[ty div 2, tx div 2]:= 0;
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   503
{$ELSE}
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   504
                LandPixels[ty, tx]:= 0;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   505
{$ENDIF}
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   506
            Land[ty, tx]:= 0;
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   507
            end
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   508
        end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   509
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   510
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   511
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   512
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   513
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   514
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   515
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   516
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   517
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   518
       ((Land[ty, tx] and lfObject) <> 0)) then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   519
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   520
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   521
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   522
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   523
{$ELSE}
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   524
        LandPixels[ty, tx]:= cExplosionBorderColor
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   525
{$ENDIF}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   526
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   527
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   528
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   529
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   530
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   531
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   532
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   533
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   534
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   535
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   536
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   537
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   538
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   539
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   540
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   541
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   542
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   543
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   544
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   545
       ((Land[ty, tx] and lfObject) <> 0)) then
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   546
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   547
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   548
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   549
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   550
{$ELSE}
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   551
        LandPixels[ty, tx]:= cExplosionBorderColor
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   552
{$ENDIF}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   553
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   554
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   555
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   556
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   557
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   558
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   559
tx:= max(stX - HalfWidth * 2 - 4 - abs(hwRound(dX * ticks)), 0);
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   560
ty:= max(stY - HalfWidth * 2 - 4 - abs(hwRound(dY * ticks)), 0);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   561
ddx:= min(stX + HalfWidth * 2 + 4 + abs(hwRound(dX * ticks)), LAND_WIDTH) - tx;
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   562
ddy:= min(stY + HalfWidth * 2 + 4 + abs(hwRound(dY * ticks)), LAND_HEIGHT) - ty;
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   563
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   564
UpdateLandTexture(tx, ddx, ty, ddy)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   565
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   566
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   567
function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean): boolean;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   568
var X, Y, bpp, h, w, row, col, numFramesFirstCol: LongInt;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   569
    p: PByteArray;
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   570
    Image: PSDL_Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   571
begin
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   572
numFramesFirstCol:= SpritesData[Obj].imageHeight div SpritesData[Obj].Height;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   573
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   574
TryDo(SpritesData[Obj].Surface <> nil, 'Assert SpritesData[Obj].Surface failed', true);
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   575
Image:= SpritesData[Obj].Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   576
w:= SpritesData[Obj].Width;
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   577
h:= SpritesData[Obj].Height;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   578
row:= Frame mod numFramesFirstCol;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   579
col:= Frame div numFramesFirstCol;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   580
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   581
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   582
   SDLTry(SDL_LockSurface(Image) >= 0, true);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   583
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   584
bpp:= Image^.format^.BytesPerPixel;
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   585
TryDo(bpp = 4, 'It should be 32 bpp sprite', true);
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   586
// Check that sprite fits free space
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   587
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   588
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   589
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   590
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   591
            for x:= 0 to Pred(w) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   592
                if PLongword(@(p^[x * 4]))^ <> 0 then
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   593
                   if ((cpY + y) < Longint(topY)) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   594
                      ((cpY + y) > LAND_HEIGHT) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   595
                      ((cpX + x) < Longint(leftX)) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   596
                      ((cpX + x) > Longint(rightX)) or
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   597
                      (Land[cpY + y, cpX + x] <> 0) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   598
                      begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   599
                      if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   600
                         SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   601
                      exit(false)
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   602
                      end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   603
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   604
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   605
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   606
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   607
TryPlaceOnLand:= true;
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   608
if not doPlace then
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   609
   begin
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   610
   if SDL_MustLock(Image) then
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   611
      SDL_UnlockSurface(Image);
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   612
   exit
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   613
   end;
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   614
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   615
// Checked, now place
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   616
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   617
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   618
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   619
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   620
            for x:= 0 to Pred(w) do
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   621
                if PLongword(@(p^[x * 4]))^ <> 0 then
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   622
                   begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   623
                   Land[cpY + y, cpX + x]:= lfObject;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   624
{$IFDEF DOWNSCALE}
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   625
                   LandPixels[(cpY + y) div 2, (cpX + x) div 2]:= PLongword(@(p^[x * 4]))^
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   626
{$ELSE}
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   627
                   LandPixels[cpY + y, cpX + x]:= PLongword(@(p^[x * 4]))^
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   628
{$ENDIF}
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   629
                   end;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   630
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   631
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   632
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   633
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   634
   SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   635
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   636
x:= max(cpX, leftX);
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   637
w:= min(cpX + Image^.w, LAND_WIDTH) - x;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   638
y:= max(cpY, topY);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
diff changeset
   639
h:= min(cpY + Image^.h, LAND_HEIGHT) - y;
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   640
UpdateLandTexture(x, w, y, h)
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   641
end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   642
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   643
// was experimenting with applying as damage occurred.
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   644
function Despeckle(X, Y: LongInt): boolean;
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   645
var nx, ny, i, j, c: LongInt;
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   646
begin
3521
96a502730e81 Remove redundant test, add some temp variables to speed up the expensive CheckLand
nemo
parents: 3519
diff changeset
   647
if ((Land[Y, X] and lfDamaged) <> 0) and ((Land[Y, X] and lfIndestructible) = 0) then // check neighbours
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   648
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   649
    c:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   650
    for i:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   651
        for j:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   652
            if (i <> 0) or (j <> 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   653
                begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   654
                ny:= Y + i;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   655
                nx:= X + j;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   656
                if ((ny and LAND_HEIGHT_MASK) = 0) and ((nx and LAND_WIDTH_MASK) = 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   657
                    if Land[ny, nx] > 255 then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   658
                        inc(c);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   659
                end;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   660
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   661
    if c < 4 then // 0-3 neighbours
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   662
        begin
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   663
{$IFDEF DOWNSCALE}
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   664
        if (Land[Y, X] and lfBasic) <> 0 then LandPixels[Y div 2, X div 2]:= LandBackPixel(X, Y) else LandPixels[Y div 2, X div 2]:= 0;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   665
{$ELSE}
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   666
        if (Land[Y, X] and lfBasic) <> 0 then LandPixels[Y, X]:= LandBackPixel(X, Y) else LandPixels[Y, X]:= 0;
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   667
{$ENDIF}
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   668
        Land[Y, X]:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   669
        exit(true);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   670
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   671
    end;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   672
Despeckle:= false
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   673
end;
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   674
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   675
function SweepDirty: boolean;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   676
var x, y, xx, yy: LongInt;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   677
    bRes, updateBlock, resweep, recheck: boolean;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   678
begin
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   679
bRes:= false;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   680
reCheck:= true;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   681
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   682
while recheck do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   683
    begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   684
    recheck:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   685
    for y:= 0 to LAND_HEIGHT div 32 - 1 do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   686
        begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   687
        for x:= 0 to LAND_WIDTH div 32 - 1 do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   688
            begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   689
            if LandDirty[y, x] <> 0 then
2167
4e9ad395c1d1 Loop sweeping to avoid stray pixels. Avoided at first hoping there was a cleverer approach. Fortunately sweep is infrequent.
nemo
parents: 1892
diff changeset
   690
                begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   691
                updateBlock:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   692
                resweep:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   693
                while(resweep) do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   694
                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   695
                    resweep:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   696
                    for yy:= y * 32 to y * 32 + 31 do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   697
                        for xx:= x * 32 to x * 32 + 31 do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   698
                            if Despeckle(xx, yy) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   699
                                begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   700
                                bRes:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   701
                                updateBlock:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   702
                                resweep:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   703
                                if (yy = y*32) and (y > 0) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   704
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   705
                                    LandDirty[y-1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   706
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   707
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   708
                                else if (yy = y*32+31) and (y < LAND_HEIGHT div 32 - 1) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   709
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   710
                                    LandDirty[y+1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   711
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   712
                                    end;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   713
                                if (xx = x*32) and (x > 0) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   714
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   715
                                    LandDirty[y, x-1]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   716
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   717
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   718
                                else if (xx = x*32+31) and (x < LAND_WIDTH div 32 - 1) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   719
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   720
                                    LandDirty[y, x+1]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   721
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   722
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   723
                                end;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   724
                    end;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   725
                if updateBlock then UpdateLandTexture(x * 32, 32, y * 32, 32);
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   726
                LandDirty[y, x]:= 0;
2167
4e9ad395c1d1 Loop sweeping to avoid stray pixels. Avoided at first hoping there was a cleverer approach. Fortunately sweep is infrequent.
nemo
parents: 1892
diff changeset
   727
                end;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   728
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   729
        end;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   730
     end;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   731
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   732
SweepDirty:= bRes;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   733
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   734
2331
e4941a7986d6 Another try at keeping blowtorch/firepunch/jackhammer from going through indestructible stuff. Shame these routines don't use hedgehog movement
nemo
parents: 2236
diff changeset
   735
// Return true if outside of land or not the value tested, used right now for some X/Y movement that does not use normal hedgehog movement in GSHandlers.inc
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   736
function CheckLandValue(X, Y: LongInt; LandFlag: Word): boolean;
2331
e4941a7986d6 Another try at keeping blowtorch/firepunch/jackhammer from going through indestructible stuff. Shame these routines don't use hedgehog movement
nemo
parents: 2236
diff changeset
   737
begin
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   738
     CheckLandValue:= ((X and LAND_WIDTH_MASK <> 0) or (Y and LAND_HEIGHT_MASK <> 0)) or ((Land[Y, X] and LandFlag) = 0)
2331
e4941a7986d6 Another try at keeping blowtorch/firepunch/jackhammer from going through indestructible stuff. Shame these routines don't use hedgehog movement
nemo
parents: 2236
diff changeset
   739
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   740
end.