hedgewars/uLandGraphics.pas
author nemo
Mon, 20 Jun 2011 02:03:15 -0400
changeset 5261 2db030882bc9
parent 5179 8d64dcb566ea
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permissions -rw-r--r--
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2011 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, uTypes;
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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  addBgColor(OldColor, NewColor: LongWord): LongWord;
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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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function  DrawExplosion(X, Y, Radius: LongInt): Longword;
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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  LandBackPixel(x, y: LongInt): LongWord;
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function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean; indestructible: boolean): boolean;
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implementation
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uses SDLh, uLandTexture, uVariables, uUtils, uDebug;
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function addBgColor(OldColor, NewColor: LongWord): LongWord;
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// Factor ranges from 0 to 100% NewColor
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var
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    oRed, oBlue, oGreen, oAlpha, nRed, nBlue, nGreen, nAlpha: Byte;
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begin
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    // Get colors
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    oAlpha := (OldColor shr AShift) and $FF;
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    oRed   := (OldColor shr RShift) and $FF;
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    oGreen := (OldColor shr GShift) and $FF;
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    oBlue  := (OldColor shr BShift) and $FF;
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    nAlpha := (NewColor shr AShift) and $FF;
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    nRed   := (NewColor shr RShift) and $FF;
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    nGreen := (NewColor shr GShift) and $FF;
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    nBlue  := (NewColor shr BShift) and $FF;
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    // Mix colors
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    nAlpha := min(255, oAlpha + nAlpha);
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    nRed   := ((oRed * oAlpha) + (nRed * Byte(255-oAlpha))) div 255;
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    nGreen := ((oGreen * oAlpha) + (nGreen * Byte(255-oAlpha))) div 255;
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    nBlue  := ((oBlue * oAlpha) + (nBlue * Byte(255-oAlpha))) div 255;
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    addBgColor := (nAlpha shl AShift) or (nRed shl RShift) or (nGreen shl GShift) or (nBlue shl BShift);
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end;
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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, t: LongInt;
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begin
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t:= y + dy;
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if (t 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[t, i] and lfIndestructible) = 0)) or ((Land[t, i] and lfBasic) <> 0) then
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            if (cReducedQuality and rqBlurryLand) = 0 then
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                LandPixels[t, i]:= 0
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            else
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                LandPixels[t div 2, i div 2]:= 0;
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t:= y - dy;
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if (t 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[t, i] and lfIndestructible) = 0)) or ((Land[t, i] and lfBasic) <> 0) then
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            if (cReducedQuality and rqBlurryLand) = 0 then
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                LandPixels[t, i]:= 0
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            else
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                LandPixels[t div 2, i div 2]:= 0;
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t:= y + dx;
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if (t 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[t, i] and lfIndestructible) = 0)) or ((Land[t, i] and lfBasic) <> 0) then
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            if (cReducedQuality and rqBlurryLand) = 0 then
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                LandPixels[t, i]:= 0
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            else
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                LandPixels[t div 2, i div 2]:= 0;
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t:= y - dx;
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if (t 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[t, i] and lfIndestructible) = 0)) or ((Land[t, i] and lfBasic) <> 0) then
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            if (cReducedQuality and rqBlurryLand) = 0 then
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                LandPixels[t, i]:= 0
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            else
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                LandPixels[t div 2, i div 2]:= 0;
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end;
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function FillLandCircleLinesBG(x, y, dx, dy: LongInt): Longword;
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var i, t: LongInt;
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    cnt: Longword;
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begin
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cnt:= 0;
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t:= y + dy;
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if (t 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[t, i] and lfBasic) <> 0) and not disableLandBack then
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           begin
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           inc(cnt);
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           if (cReducedQuality and rqBlurryLand) = 0 then
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               LandPixels[t, i]:= LandBackPixel(i, t)
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           else
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               LandPixels[t div 2, i div 2]:= LandBackPixel(i, t)
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           end
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       else
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           if ((Land[t, i] and lfObject) <> 0) or (disableLandBack and ((Land[t, i] and lfIndestructible) = 0)) then
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               if (cReducedQuality and rqBlurryLand) = 0 then
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                   LandPixels[t, i]:= 0
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               else
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                   LandPixels[t div 2, i div 2]:= 0;
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t:= y - dy;
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if (t 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[t, i] and lfBasic) <> 0) and not disableLandBack then
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           begin
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           inc(cnt);
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           if (cReducedQuality and rqBlurryLand) = 0 then
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               LandPixels[t, i]:= LandBackPixel(i, t)
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           else
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               LandPixels[t div 2, i div 2]:= LandBackPixel(i, t)
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           end
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   245
       else
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   246
           if ((Land[t, i] and lfObject) <> 0) or (disableLandBack and ((Land[t, i] and lfIndestructible) = 0)) then
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               if (cReducedQuality and rqBlurryLand) = 0 then
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                   LandPixels[t, i]:= 0
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               else
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                   LandPixels[t div 2, i div 2]:= 0;
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   251
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t:= y + dx;
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if (t 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[t, i] and lfBasic) <> 0) and not disableLandBack then
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           begin
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           inc(cnt);
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   258
           if (cReducedQuality and rqBlurryLand) = 0 then
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               LandPixels[t, i]:= LandBackPixel(i, t)
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   260
           else
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               LandPixels[t div 2, i div 2]:= LandBackPixel(i, t)
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           end
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   263
       else
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   264
           if ((Land[t, i] and lfObject) <> 0) or (disableLandBack and ((Land[t, i] and lfIndestructible) = 0)) then
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               if (cReducedQuality and rqBlurryLand) = 0 then
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                   LandPixels[t, i]:= 0
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               else
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                   LandPixels[t div 2, i div 2]:= 0;
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t:= y - dx;
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if (t 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[t, i] and lfBasic) <> 0) and not disableLandBack then
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   274
           begin
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           inc(cnt);
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           if (cReducedQuality and rqBlurryLand) = 0 then
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               LandPixels[t, i]:= LandBackPixel(i, t)
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           else
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               LandPixels[t div 2, i div 2]:= LandBackPixel(i, t)
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           end
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   281
       else
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           if ((Land[t, i] and lfObject) <> 0) or (disableLandBack and ((Land[t, i] and lfIndestructible) = 0)) then
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              if (cReducedQuality and rqBlurryLand) = 0 then
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                  LandPixels[t, i]:= 0
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   285
              else
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                  LandPixels[t div 2, i div 2]:= 0;
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FillLandCircleLinesBG:= cnt;
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   288
end;
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   289
371
731ad6d27bd1 integer -> LongInt
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diff changeset
   290
procedure FillLandCircleLinesEBC(x, y, dx, dy: LongInt);
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   291
var i, t: LongInt;
184
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   292
begin
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   293
t:= y + dy;
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   294
if (t and LAND_HEIGHT_MASK) = 0 then
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diff changeset
   295
   for i:= Max(x - dx, 0) to Min(x + dx, LAND_WIDTH - 1) do
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490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
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   296
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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   297
          begin
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   298
           if (cReducedQuality and rqBlurryLand) = 0 then
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   299
            LandPixels[t, i]:= cExplosionBorderColor
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diff changeset
   300
          else
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            LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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diff changeset
   302
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   303
          Land[t, i]:= Land[t, i] or lfDamaged;
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   304
          //Despeckle(i, t);
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   305
          LandDirty[t div 32, i div 32]:= 1;
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   306
          end;
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   307
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diff changeset
   308
t:= y - dy;
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   309
if (t and LAND_HEIGHT_MASK) = 0 then
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   310
   for i:= Max(x - dx, 0) to Min(x + dx, LAND_WIDTH - 1) do
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
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diff changeset
   311
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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   312
          begin
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   313
           if (cReducedQuality and rqBlurryLand) = 0 then
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   314
              LandPixels[t, i]:= cExplosionBorderColor
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341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
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diff changeset
   315
            else
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   316
              LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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   317
          Land[t, i]:= Land[t, i] or lfDamaged;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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   318
          //Despeckle(i, t);
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   319
          LandDirty[t div 32, i div 32]:= 1;
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   320
          end;
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   321
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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   322
t:= y + dx;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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diff changeset
   323
if (t and LAND_HEIGHT_MASK) = 0 then
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diff changeset
   324
   for i:= Max(x - dy, 0) to Min(x + dy, LAND_WIDTH - 1) do
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   325
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] 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
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parents: 1066
diff changeset
   326
           begin
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   327
           if (cReducedQuality and rqBlurryLand) = 0 then
3602
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parents: 3601
diff changeset
   328
           LandPixels[t, i]:= cExplosionBorderColor
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341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
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parents: 3554
diff changeset
   329
            else
3602
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diff changeset
   330
           LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   331
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   332
           Land[t, i]:= Land[t, i] or lfDamaged;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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parents: 3601
diff changeset
   333
           //Despeckle(i, t);
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   334
           LandDirty[t div 32, i div 32]:= 1;
1738
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
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diff changeset
   335
           end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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parents: 3601
diff changeset
   336
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   337
t:= y - dx;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   338
if (t and LAND_HEIGHT_MASK) = 0 then
4374
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unC0Rr
parents: 4367
diff changeset
   339
   for i:= Max(x - dy, 0) to Min(x + dy, LAND_WIDTH - 1) do
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   340
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] 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
diff changeset
   341
          begin
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   342
           if (cReducedQuality and rqBlurryLand) = 0 then
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d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   343
          LandPixels[t, i]:= cExplosionBorderColor
3595
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diff changeset
   344
            else
3602
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parents: 3601
diff changeset
   345
          LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   346
3602
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diff changeset
   347
          Land[t, i]:= Land[t, i] or lfDamaged;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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   348
          //Despeckle(i, y - dy);
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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diff changeset
   349
          LandDirty[t div 32, i div 32]:= 1;
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diff changeset
   350
          end;
184
f97a7a3dc8f6 - Update more headers
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diff changeset
   351
end;
f97a7a3dc8f6 - Update more headers
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diff changeset
   352
3689
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   353
function DrawExplosion(X, Y, Radius: LongInt): Longword;
2603
abed6070a669 revert previous commit to remove a wip patch
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diff changeset
   354
var dx, dy, ty, tx, d: LongInt;
3689
e2be39ee19f0 Engine:
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parents: 3608
diff changeset
   355
    cnt: Longword;
184
f97a7a3dc8f6 - Update more headers
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parents: 109
diff changeset
   356
begin
2647
0e1208e92dfe Smaxx patch with tuning by me:
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parents: 2646
diff changeset
   357
0e1208e92dfe Smaxx patch with tuning by me:
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diff changeset
   358
// draw background land texture
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   359
    begin
3689
e2be39ee19f0 Engine:
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diff changeset
   360
    cnt:= 0;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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diff changeset
   361
    dx:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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diff changeset
   362
    dy:= Radius;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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parents: 2741
diff changeset
   363
    d:= 3 - 2 * Radius;
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   364
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   365
    while (dx < dy) do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   366
        begin
3689
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   367
        inc(cnt, FillLandCircleLinesBG(x, y, dx, dy));
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   368
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   369
        then d:= d + 4 * dx + 6
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   370
        else begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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parents: 2741
diff changeset
   371
            d:= d + 4 * (dx - dy) + 10;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   372
            dec(dy)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   373
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   374
        inc(dx)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   375
        end;
3689
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   376
    if (dx = dy) then inc(cnt, FillLandCircleLinesBG(x, y, dx, dy));
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   377
    end;
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   378
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   379
// draw a hole in land
2733
52a5a160566f Engine:
smxx
parents: 2716
diff changeset
   380
if Radius > 20 then
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   381
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   382
    dx:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   383
    dy:= Radius - 15;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   384
    d:= 3 - 2 * dy;
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   385
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   386
    while (dx < dy) do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   387
        begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   388
        FillLandCircleLines0(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   389
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   390
        then d:= d + 4 * dx + 6
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   391
        else begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   392
            d:= d + 4 * (dx - dy) + 10;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   393
            dec(dy)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   394
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   395
        inc(dx)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   396
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   397
    if (dx = dy) then FillLandCircleLines0(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   398
    end;
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   399
1849
2a989e5abda6 4 utilities by nemo
unc0rr
parents: 1809
diff changeset
   400
  // FillRoundInLand after erasing land pixels to allow Land 0 check for mask.png to function
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   401
    FillRoundInLand(X, Y, Radius, 0);
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   402
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   403
// draw explosion border
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   404
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   405
    inc(Radius, 4);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   406
    dx:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   407
    dy:= Radius;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   408
    d:= 3 - 2 * Radius;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   409
    while (dx < dy) do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   410
        begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   411
        FillLandCircleLinesEBC(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   412
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   413
        then d:= d + 4 * dx + 6
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   414
        else begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   415
            d:= d + 4 * (dx - dy) + 10;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   416
            dec(dy)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   417
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   418
        inc(dx)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   419
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   420
    if (dx = dy) then FillLandCircleLinesEBC(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   421
    end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   422
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   423
tx:= Max(X - Radius - 1, 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   424
dx:= Min(X + Radius + 1, LAND_WIDTH) - tx;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   425
ty:= Max(Y - Radius - 1, 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   426
dy:= Min(Y + Radius + 1, LAND_HEIGHT) - ty;
3689
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   427
UpdateLandTexture(tx, dx, ty, dy);
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   428
DrawExplosion:= cnt
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   429
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   430
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   431
procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   432
var tx, ty, i: LongInt;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   433
begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   434
for i:= 0 to Pred(Count) do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   435
    begin
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   436
    for ty:= Max(y - Radius, 0) to Min(y + Radius, LAND_HEIGHT) do
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   437
        for tx:= Max(0, ar^[i].Left - Radius) to Min(LAND_WIDTH, ar^[i].Right + Radius) do
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   438
            if ((Land[ty, tx] and lfBasic) <> 0) and not disableLandBack then
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   439
                if (cReducedQuality and rqBlurryLand) = 0 then
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   440
                    LandPixels[ty, tx]:= LandBackPixel(tx, ty)
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   441
                else
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   442
                    LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   443
            else
4700
e8fd20b2d66b oops. forgot to check on indestructible in combination with disableLandBack
nemo
parents: 4695
diff changeset
   444
                if ((Land[ty, tx] and lfObject) <> 0) or (disableLandBack and ((Land[ty, tx] and lfIndestructible) = 0)) then
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   445
                    if (cReducedQuality and rqBlurryLand) = 0 then
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   446
                        LandPixels[ty, tx]:= 0
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   447
                    else
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   448
                        LandPixels[ty div 2, tx div 2]:= 0;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   449
    inc(y, dY)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   450
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   451
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   452
inc(Radius, 4);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   453
dec(y, Count * dY);
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   454
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   455
for i:= 0 to Pred(Count) do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   456
    begin
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   457
    for ty:= Max(y - Radius, 0) to Min(y + Radius, LAND_HEIGHT) do
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   458
        for tx:= Max(0, ar^[i].Left - Radius) to Min(LAND_WIDTH, ar^[i].Right + Radius) do
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   459
            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
diff changeset
   460
                begin
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   461
                    if (cReducedQuality and rqBlurryLand) = 0 then
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   462
                        LandPixels[ty, tx]:= cExplosionBorderColor
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   463
                    else
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   464
                        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor;
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   465
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   466
                Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   467
                LandDirty[ty div 32, tx div 32]:= 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
   468
                end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   469
    inc(y, dY)
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   470
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   471
818
635e58295079 Fix drill bug
unc0rr
parents: 772
diff changeset
   472
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   473
UpdateLandTexture(0, LAND_WIDTH, 0, LAND_HEIGHT)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   474
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   475
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   476
//
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   477
//  - (dX, dY) - direction, vector of length = 0.5
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   478
//
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   479
procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   480
var nx, ny, dX8, dY8: hwFloat;
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   481
    i, t, tx, ty, stX, stY, ddy, ddx: Longint;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   482
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
   483
stY:= hwRound(Y);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   484
stX:= hwRound(X);
772
e8d530ca77be Don't update all land texture when drawing tunnel (saves video throughput)
unc0rr
parents: 769
diff changeset
   485
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   486
nx:= X + dY * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   487
ny:= Y - dX * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   488
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   489
dX8:= dX * 8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   490
dY8:= dY * 8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   491
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   492
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   493
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   494
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   495
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   496
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   497
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   498
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   499
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   500
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   501
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   502
       ((tx and LAND_WIDTH_MASK) = 0) and
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   503
       (((Land[ty, tx] and lfBasic) <> 0) or
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   504
       ((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
   505
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   506
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   507
            if (cReducedQuality and rqBlurryLand) = 0 then
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   508
            LandPixels[ty, tx]:= cExplosionBorderColor
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   509
            else
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   510
            LandPixels[ty div 2, tx div 2]:= 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
   511
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   512
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   513
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   514
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   515
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   516
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   517
for i:= -HalfWidth to HalfWidth do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   518
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   519
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   520
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   521
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   522
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   523
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   524
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   525
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   526
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   527
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   528
       ((tx and LAND_WIDTH_MASK) = 0) and
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   529
       (((Land[ty, tx] and lfBasic) <> 0) or
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   530
       ((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
   531
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   532
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   533
            if (cReducedQuality and rqBlurryLand) = 0 then
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   534
        LandPixels[ty, tx]:= cExplosionBorderColor
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   535
            else
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   536
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   537
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
   538
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   539
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   540
    X:= nx;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   541
    Y:= ny;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   542
    for t:= 0 to ticks do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   543
        begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   544
        X:= X + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   545
        Y:= Y + dY;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   546
        tx:= hwRound(X);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   547
        ty:= hwRound(Y);
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   548
        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
   549
            begin
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   550
            if ((Land[ty, tx] and lfBasic) <> 0) and not disableLandBack then
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   551
                if (cReducedQuality and rqBlurryLand) = 0 then
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   552
                    LandPixels[ty, tx]:= LandBackPixel(tx, ty)
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   553
                else
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   554
                    LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   555
            else
4700
e8fd20b2d66b oops. forgot to check on indestructible in combination with disableLandBack
nemo
parents: 4695
diff changeset
   556
              if ((Land[ty, tx] and lfObject) <> 0) or (disableLandBack and ((Land[ty, tx] and lfIndestructible) = 0)) then
4640
bc30434ae156 oops. hopefully unbreak maps while still preserving mask behaviour as before (basketball nets etc)
nemo
parents: 4635
diff changeset
   557
                if (cReducedQuality and rqBlurryLand) = 0 then
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   558
                LandPixels[ty, tx]:= 0
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   559
                else
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   560
                LandPixels[ty div 2, tx div 2]:= 0;
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   561
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   562
            Land[ty, tx]:= 0;
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   563
            end
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   564
        end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   565
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   566
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   567
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   568
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   569
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   570
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   571
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   572
       ((tx and LAND_WIDTH_MASK) = 0) and
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   573
       (((Land[ty, tx] and lfBasic) <> 0) or
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   574
       ((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
   575
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   576
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   577
        if (cReducedQuality and rqBlurryLand) = 0 then
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   578
        LandPixels[ty, tx]:= cExplosionBorderColor
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   579
        else
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   580
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   581
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
   582
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   583
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   584
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   585
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   586
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   587
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   588
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   589
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   590
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   591
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   592
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   593
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   594
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   595
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   596
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   597
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   598
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   599
       ((tx and LAND_WIDTH_MASK) = 0) and
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   600
       (((Land[ty, tx] and lfBasic) <> 0) or
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   601
       ((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
   602
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   603
        Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   604
        if (cReducedQuality and rqBlurryLand) = 0 then
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   605
        LandPixels[ty, tx]:= cExplosionBorderColor
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   606
        else
4690
490cf71b436a revert last change. ordinary fire is fine, but HHG screws up.
nemo
parents: 4688
diff changeset
   607
        LandPixels[ty div 2, tx div 2]:= 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
   608
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   609
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   610
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   611
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   612
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   613
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   614
tx:= Max(stX - HalfWidth * 2 - 4 - abs(hwRound(dX * ticks)), 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   615
ty:= Max(stY - HalfWidth * 2 - 4 - abs(hwRound(dY * ticks)), 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   616
ddx:= Min(stX + HalfWidth * 2 + 4 + abs(hwRound(dX * ticks)), LAND_WIDTH) - tx;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   617
ddy:= Min(stY + HalfWidth * 2 + 4 + abs(hwRound(dY * ticks)), LAND_HEIGHT) - ty;
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   618
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   619
UpdateLandTexture(tx, ddx, ty, ddy)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   620
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   621
4886
e3e5362a308e fixed unlimeted fuel bug for rcplane
Henek
parents: 4791
diff changeset
   622
function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean; indestructible: boolean): boolean;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   623
var X, Y, bpp, h, w, row, col, numFramesFirstCol: LongInt;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   624
    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
   625
    Image: PSDL_Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   626
begin
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   627
numFramesFirstCol:= SpritesData[Obj].imageHeight div SpritesData[Obj].Height;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   628
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   629
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
   630
Image:= SpritesData[Obj].Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   631
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
   632
h:= SpritesData[Obj].Height;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   633
row:= Frame mod numFramesFirstCol;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   634
col:= Frame div numFramesFirstCol;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   635
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   636
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   637
   SDLTry(SDL_LockSurface(Image) >= 0, true);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   638
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   639
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
   640
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
   641
// Check that sprite fits free space
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   642
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   643
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   644
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   645
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   646
            for x:= 0 to Pred(w) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   647
                if PLongword(@(p^[x * 4]))^ <> 0 then
3749
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   648
                   if ((cpY + y) <= Longint(topY)) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   649
                      ((cpY + y) >= LAND_HEIGHT) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   650
                      ((cpX + x) <= Longint(leftX)) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   651
                      ((cpX + x) >= Longint(rightX)) or
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   652
                      (Land[cpY + y, cpX + x] <> 0) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   653
                      begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   654
                      if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   655
                         SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   656
                      exit(false)
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   657
                      end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   658
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   659
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   660
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   661
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   662
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
   663
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
   664
   begin
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   665
   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
   666
      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
   667
   exit
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   668
   end;
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   669
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   670
// Checked, now place
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   671
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   672
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   673
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   674
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   675
            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
   676
                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
   677
                   begin
4886
e3e5362a308e fixed unlimeted fuel bug for rcplane
Henek
parents: 4791
diff changeset
   678
                   if indestructible then
e3e5362a308e fixed unlimeted fuel bug for rcplane
Henek
parents: 4791
diff changeset
   679
                       Land[cpY + y, cpX + x]:= lfIndestructible
e3e5362a308e fixed unlimeted fuel bug for rcplane
Henek
parents: 4791
diff changeset
   680
                   else
e3e5362a308e fixed unlimeted fuel bug for rcplane
Henek
parents: 4791
diff changeset
   681
                       Land[cpY + y, cpX + x]:= lfObject;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   682
                   if (cReducedQuality and rqBlurryLand) = 0 then
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   683
                       LandPixels[cpY + y, cpX + x]:= PLongword(@(p^[x * 4]))^
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   684
                   else
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   685
                       LandPixels[(cpY + y) div 2, (cpX + x) div 2]:= PLongword(@(p^[x * 4]))^
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   686
                   end;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   687
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   688
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   689
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   690
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   691
   SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   692
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   693
x:= Max(cpX, leftX);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   694
w:= Min(cpX + Image^.w, LAND_WIDTH) - x;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   695
y:= Max(cpY, topY);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   696
h:= Min(cpY + Image^.h, LAND_HEIGHT) - y;
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   697
UpdateLandTexture(x, w, y, h)
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   698
end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   699
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   700
// was experimenting with applying as damage occurred.
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
   701
function Despeckle(X, Y: LongInt): boolean;
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   702
var nx, ny, i, j, c, xx, yy: LongInt;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   703
    pixelsweep: 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
   704
begin
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   705
if (cReducedQuality and rqBlurryLand) = 0 then
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   706
   begin
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   707
   xx:= X;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   708
   yy:= Y;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   709
   end
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   710
else
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   711
   begin
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   712
   xx:= X div 2;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   713
   yy:= Y div 2;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   714
   end;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   715
pixelsweep:= ((Land[Y, X] and $FF00) = 0) and (LandPixels[yy, xx] <> 0);
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   716
if (((Land[Y, X] and lfDamaged) <> 0) and ((Land[Y, X] and lfIndestructible) = 0)) or pixelsweep then
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   717
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   718
    c:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   719
    for i:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   720
        for j:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   721
            if (i <> 0) or (j <> 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   722
                begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   723
                ny:= Y + i;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   724
                nx:= X + j;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   725
                if ((ny and LAND_HEIGHT_MASK) = 0) and ((nx and LAND_WIDTH_MASK) = 0) then
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   726
                    begin
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   727
                    if pixelsweep then
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   728
                        begin
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   729
                        if ((cReducedQuality and rqBlurryLand) <> 0) then
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   730
                            begin
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   731
                            nx:= nx div 2;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   732
                            ny:= ny div 2
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   733
                            end;
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   734
                        if LandPixels[ny, nx] <> 0 then inc(c);
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   735
                        end
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   736
                    else if Land[ny, nx] > 255 then inc(c);
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   737
                    end
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   738
                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
   739
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   740
    if c < 4 then // 0-3 neighbours
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   741
        begin
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   742
        if ((Land[Y, X] and lfBasic) <> 0) and not disableLandBack then
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   743
            LandPixels[yy, xx]:= LandBackPixel(X, Y)
4686
3682db294dae remove all screwing about with uLandGraphics - have not found a way to properly handle LandBackTex through despeckling or fill checks that does not result in ugly fire damage or wiped out landbacktex. Would rather some snowflakes lines than that.
nemo
parents: 4659
diff changeset
   744
        else
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   745
            LandPixels[yy, xx]:= 0;
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
parents: 3554
diff changeset
   746
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   747
        Land[Y, X]:= 0;
4695
ac2cb3b99d70 add a disabling for landback, set it if flakes are enabled
nemo
parents: 4690
diff changeset
   748
        if not pixelsweep then exit(true);
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   749
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   750
    end;
5261
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   751
// a bit of AA for explosions
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   752
if ((cReducedQuality and rqBlurryLand) = 0) and (Land[Y, X] = 0) and (Y > topY+1) and 
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   753
   (Y < LAND_HEIGHT-2) and (X>leftX+1) and (X<rightX-1) then
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   754
    begin
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   755
    if ((((Land[y, x-1] and lfDamaged) <> 0) and (((Land[y+1,x] and lfDamaged) <> 0)) or ((Land[y-1,x] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   756
       (((Land[y, x+1] and lfDamaged) <> 0) and (((Land[y-1,x] and lfDamaged) <> 0) or ((Land[y+1,x] and lfDamaged) <> 0)))) then
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   757
        begin
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   758
        if (LandPixels[y,x] = 0) then LandPixels[y,x]:= (cExplosionBorderColor and not AMask) or (128 shl AShift)
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   759
        else
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   760
            LandPixels[y,x]:=
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   761
                            (((((LandPixels[y,x] and RMask shr RShift) div 2)+((cExplosionBorderColor and RMask) shr RShift) div 2) and $FF) shl RShift) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   762
                            (((((LandPixels[y,x] and GMask shr GShift) div 2)+((cExplosionBorderColor and GMask) shr GShift) div 2) and $FF) shl GShift) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   763
                            (((((LandPixels[y,x] and BMask shr BShift) div 2)+((cExplosionBorderColor and BMask) shr BShift) div 2) and $FF) shl BShift) or ($FF shl AShift);
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   764
        //LandPixels[y,x]:= $FFFFFFFF;
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   765
        Land[y,x]:= lfBasic
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   766
        end
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   767
    else if ((((Land[y, x-1] and lfDamaged) <> 0) and ((Land[y+1,x-1] and lfDamaged) <> 0) and ((Land[y+2,x] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   768
            (((Land[y, x-1] and lfDamaged) <> 0) and ((Land[y-1,x-1] and lfDamaged) <> 0) and ((Land[y-2,x] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   769
            (((Land[y, x+1] and lfDamaged) <> 0) and ((Land[y+1,x+1] and lfDamaged) <> 0) and ((Land[y+2,x] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   770
            (((Land[y, x+1] and lfDamaged) <> 0) and ((Land[y-1,x+1] and lfDamaged) <> 0) and ((Land[y-2,x] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   771
            (((Land[y+1, x] and lfDamaged) <> 0) and ((Land[y+1,x+1] and lfDamaged) <> 0) and ((Land[y,x+2] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   772
            (((Land[y-1, x] and lfDamaged) <> 0) and ((Land[y-1,x+1] and lfDamaged) <> 0) and ((Land[y,x+2] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   773
            (((Land[y+1, x] and lfDamaged) <> 0) and ((Land[y+1,x-1] and lfDamaged) <> 0) and ((Land[y,x-2] and lfDamaged) <> 0)) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   774
            (((Land[y-1, x] and lfDamaged) <> 0) and ((Land[y-1,x-1] and lfDamaged) <> 0) and ((Land[y,x-2] and lfDamaged) <> 0))) then
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   775
        begin
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   776
        //LandPixels[y,x]:= (LandPixels[y,x] and not AMask) or (64 shl AShift);
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   777
        if (LandPixels[y,x] = 0) then LandPixels[y,x]:= (cExplosionBorderColor and not AMask) or (128 shl AShift)
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   778
        else
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   779
            LandPixels[y,x]:=
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   780
                            (((((LandPixels[y,x] and RMask shr RShift) * 3 div 4)+((cExplosionBorderColor and RMask) shr RShift) div 4) and $FF) shl RShift) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   781
                            (((((LandPixels[y,x] and GMask shr GShift) * 3 div 4)+((cExplosionBorderColor and GMask) shr GShift) div 4) and $FF) shl GShift) or
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   782
                            (((((LandPixels[y,x] and BMask shr BShift) * 3 div 4)+((cExplosionBorderColor and BMask) shr BShift) div 4) and $FF) shl BShift) or ($FF shl AShift);
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   783
        //LandPixels[y,x]:= $FFFFFFFF;
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   784
        Land[y,x]:= lfBasic
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   785
        end
2db030882bc9 More AA - try smoothing explosions a bit
nemo
parents: 5179
diff changeset
   786
    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
   787
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
   788
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
   789
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   790
function SweepDirty: boolean;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   791
var x, y, xx, yy, ty, tx: LongInt;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   792
    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
   793
begin
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   794
bRes:= false;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   795
reCheck:= true;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   796
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   797
while recheck do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   798
    begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   799
    recheck:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   800
    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
   801
        begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   802
        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
   803
            begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   804
            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
   805
                begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   806
                updateBlock:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   807
                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   808
                ty:= y * 32;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   809
                tx:= x * 32;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   810
                while(resweep) do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   811
                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   812
                    resweep:= false;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   813
                    for yy:= ty to ty + 31 do
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   814
                        for xx:= tx to tx + 31 do
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   815
                            if Despeckle(xx, yy) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   816
                                begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   817
                                bRes:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   818
                                updateBlock:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   819
                                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   820
                                if (yy = ty) and (y > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   821
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   822
                                    LandDirty[y-1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   823
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   824
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   825
                                else if (yy = ty+31) and (y < LAND_HEIGHT div 32 - 1) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   826
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   827
                                    LandDirty[y+1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   828
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   829
                                    end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   830
                                if (xx = tx) and (x > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   831
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   832
                                    LandDirty[y, x-1]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   833
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   834
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   835
                                else if (xx = tx+31) and (x < LAND_WIDTH div 32 - 1) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   836
                                    begin
3601
8a74c9ceaf71 Revert most of optimisation except for some obvious fixes to errors someone or other introduced.
nemo
parents: 3596
diff changeset
   837
                                    LandDirty[y, x+1]:= 1;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   838
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   839
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   840
                                end;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   841
                    end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   842
                if updateBlock then UpdateLandTexture(tx, 32, ty, 32);
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   843
                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
   844
                end;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   845
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   846
        end;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   847
     end;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   848
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   849
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
   850
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   851
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
   852
// 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
   853
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
   854
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
   855
     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
   856
end;
4367
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   857
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   858
function LandBackPixel(x, y: LongInt): LongWord;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   859
var p: PLongWordArray;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   860
begin
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   861
    if LandBackSurface = nil then LandBackPixel:= 0
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   862
    else
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   863
    begin
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   864
        p:= LandBackSurface^.pixels;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   865
        LandBackPixel:= p^[LandBackSurface^.w * (y mod LandBackSurface^.h) + (x mod LandBackSurface^.w)];// or $FF000000;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   866
    end
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   867
end;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   868
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   869
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   870
end.