hedgewars/uLandGraphics.pas
author Henek
Tue, 21 Dec 2010 23:22:53 +0100
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2005-2010 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uLandGraphics;
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interface
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uses uFloat, uConsts, 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  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): boolean;
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implementation
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uses SDLh, uLandTexture, uVariables, uUtils, uDebug;
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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) 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) 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) 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) 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) 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) 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) 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) 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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FillLandCircleLinesBG:= cnt;
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end;
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   263
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procedure FillLandCircleLinesEBC(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 ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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          begin
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           if (cReducedQuality and rqBlurryLand) = 0 then
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            LandPixels[t, i]:= cExplosionBorderColor
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          else
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            LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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          Land[t, i]:= Land[t, i] or lfDamaged;
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          //Despeckle(i, t);
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          LandDirty[t div 32, i div 32]:= 1;
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   280
          end;
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t:= y - dy;
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   283
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
3602
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       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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          begin
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           if (cReducedQuality and rqBlurryLand) = 0 then
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              LandPixels[t, i]:= cExplosionBorderColor
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            else
3602
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   290
              LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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diff changeset
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          Land[t, i]:= Land[t, i] or lfDamaged;
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   292
          //Despeckle(i, t);
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   293
          LandDirty[t div 32, i div 32]:= 1;
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   294
          end;
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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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diff changeset
   299
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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           begin
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diff changeset
   301
           if (cReducedQuality and rqBlurryLand) = 0 then
3602
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diff changeset
   302
           LandPixels[t, i]:= cExplosionBorderColor
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diff changeset
   303
            else
3602
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   304
           LandPixels[t div 2, i div 2]:= cExplosionBorderColor;
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diff changeset
   305
3602
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           Land[t, i]:= Land[t, i] or lfDamaged;
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   307
           //Despeckle(i, t);
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   308
           LandDirty[t div 32, i div 32]:= 1;
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   309
           end;
3602
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   310
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
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   311
t:= y - dx;
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   312
if (t and LAND_HEIGHT_MASK) = 0 then
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   313
   for i:= Max(x - dy, 0) to Min(x + dy, LAND_WIDTH - 1) do
3602
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parents: 3601
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   314
       if ((Land[t, i] and lfBasic) <> 0) or ((Land[t, i] and lfObject) <> 0) then
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unc0rr
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diff changeset
   315
          begin
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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
   316
           if (cReducedQuality and rqBlurryLand) = 0 then
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   317
          LandPixels[t, i]:= cExplosionBorderColor
3595
341e407e3754 partially removing DOWNSCALE ifdef -- only two remain and their removal requires dynamic allocation (btw this breaks low quality mode)
koda
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diff changeset
   318
            else
3602
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diff changeset
   319
          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
   320
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
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diff changeset
   321
          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
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   322
          //Despeckle(i, y - dy);
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nemo
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   323
          LandDirty[t div 32, i div 32]:= 1;
1738
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unc0rr
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diff changeset
   324
          end;
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   325
end;
f97a7a3dc8f6 - Update more headers
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parents: 109
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   326
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   327
function DrawExplosion(X, Y, Radius: LongInt): Longword;
2603
abed6070a669 revert previous commit to remove a wip patch
koda
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diff changeset
   328
var dx, dy, ty, tx, d: LongInt;
3689
e2be39ee19f0 Engine:
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   329
    cnt: Longword;
184
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   330
begin
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   331
0e1208e92dfe Smaxx patch with tuning by me:
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   332
// draw background land texture
2948
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   333
    begin
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   334
    cnt:= 0;
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   335
    dx:= 0;
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    dy:= Radius;
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    d:= 3 - 2 * Radius;
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unc0rr
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   338
2948
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    while (dx < dy) do
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   340
        begin
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   341
        inc(cnt, FillLandCircleLinesBG(x, y, dx, dy));
2948
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   342
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   343
        then d:= d + 4 * dx + 6
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   344
        else begin
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   345
            d:= d + 4 * (dx - dy) + 10;
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   346
            dec(dy)
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   347
            end;
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   348
        inc(dx)
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   349
        end;
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diff changeset
   350
    if (dx = dy) then inc(cnt, FillLandCircleLinesBG(x, y, dx, dy));
2948
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   351
    end;
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unc0rr
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   352
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
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   353
// draw a hole in land
2733
52a5a160566f Engine:
smxx
parents: 2716
diff changeset
   354
if Radius > 20 then
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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   355
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   356
    dx:= 0;
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   357
    dy:= Radius - 15;
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   358
    d:= 3 - 2 * dy;
2647
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unc0rr
parents: 2646
diff changeset
   359
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   360
    while (dx < dy) do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   361
        begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   362
        FillLandCircleLines0(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   363
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   364
        then d:= d + 4 * dx + 6
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   365
        else begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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   366
            d:= d + 4 * (dx - dy) + 10;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   367
            dec(dy)
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diff changeset
   368
            end;
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   369
        inc(dx)
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   370
        end;
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   371
    if (dx = dy) then FillLandCircleLines0(x, y, dx, dy);
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diff changeset
   372
    end;
2647
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unc0rr
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diff changeset
   373
1849
2a989e5abda6 4 utilities by nemo
unc0rr
parents: 1809
diff changeset
   374
  // FillRoundInLand after erasing land pixels to allow Land 0 check for mask.png to function
2948
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unc0rr
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diff changeset
   375
    FillRoundInLand(X, Y, Radius, 0);
2647
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unc0rr
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diff changeset
   376
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   377
// draw explosion border
2948
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unc0rr
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   378
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   379
    inc(Radius, 4);
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unc0rr
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diff changeset
   380
    dx:= 0;
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unc0rr
parents: 2741
diff changeset
   381
    dy:= Radius;
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unc0rr
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diff changeset
   382
    d:= 3 - 2 * Radius;
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unc0rr
parents: 2741
diff changeset
   383
    while (dx < dy) do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   384
        begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
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diff changeset
   385
        FillLandCircleLinesEBC(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   386
        if (d < 0)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   387
        then d:= d + 4 * dx + 6
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   388
        else begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   389
            d:= d + 4 * (dx - dy) + 10;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   390
            dec(dy)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   391
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   392
        inc(dx)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   393
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   394
    if (dx = dy) then FillLandCircleLinesEBC(x, y, dx, dy);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   395
    end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   396
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   397
tx:= Max(X - Radius - 1, 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   398
dx:= Min(X + Radius + 1, LAND_WIDTH) - tx;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   399
ty:= Max(Y - Radius - 1, 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   400
dy:= Min(Y + Radius + 1, LAND_HEIGHT) - ty;
3689
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   401
UpdateLandTexture(tx, dx, ty, dy);
e2be39ee19f0 Engine:
smaxx
parents: 3608
diff changeset
   402
DrawExplosion:= cnt
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   403
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   404
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   405
procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   406
var tx, ty, i: LongInt;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   407
begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   408
for i:= 0 to Pred(Count) do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   409
    begin
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   410
    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
   411
        for tx:= Max(0, ar^[i].Left - Radius) to Min(LAND_WIDTH, ar^[i].Right + Radius) do
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   412
            if (Land[ty, tx] and lfBasic) <> 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
   413
                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
   414
                    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
   415
                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
   416
                    LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   417
            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
   418
                if (Land[ty, tx] and lfObject) <> 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
   419
                    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
   420
                        LandPixels[ty, tx]:= 0
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
   421
                    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
   422
                        LandPixels[ty div 2, tx div 2]:= 0;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   423
    inc(y, dY)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   424
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   425
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   426
inc(Radius, 4);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   427
dec(y, Count * dY);
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   428
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   429
for i:= 0 to Pred(Count) do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   430
    begin
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   431
    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
   432
        for tx:= Max(0, ar^[i].Left - Radius) to Min(LAND_WIDTH, ar^[i].Right + Radius) do
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   433
            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
   434
                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
   435
                    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
   436
                        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
   437
                    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
   438
                        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
   439
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   440
                Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   441
                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
   442
                end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   443
    inc(y, dY)
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   444
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   445
818
635e58295079 Fix drill bug
unc0rr
parents: 772
diff changeset
   446
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   447
UpdateLandTexture(0, LAND_WIDTH, 0, LAND_HEIGHT)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   448
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   449
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   450
//
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   451
//  - (dX, dY) - direction, vector of length = 0.5
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   452
//
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   453
procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   454
var nx, ny, dX8, dY8: hwFloat;
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   455
    i, t, tx, ty, stX, stY, ddy, ddx: Longint;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   456
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
   457
stY:= hwRound(Y);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   458
stX:= hwRound(X);
772
e8d530ca77be Don't update all land texture when drawing tunnel (saves video throughput)
unc0rr
parents: 769
diff changeset
   459
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   460
nx:= X + dY * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   461
ny:= Y - dX * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   462
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   463
dX8:= dX * 8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   464
dY8:= dY * 8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   465
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   466
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   467
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   468
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   469
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   470
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   471
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   472
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   473
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   474
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   475
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   476
       ((tx and LAND_WIDTH_MASK) = 0) and
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   477
       (((Land[ty, tx] and lfBasic) <> 0) or
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   478
       ((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
   479
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   480
        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
   481
            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
   482
            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
   483
            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
   484
            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
   485
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   486
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   487
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   488
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   489
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   490
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   491
for i:= -HalfWidth to HalfWidth 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:= 0 to 7 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
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   503
       (((Land[ty, tx] and lfBasic) <> 0) or
3519
56cbc035b74b rename flags
nemo
parents: 3518
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;
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
   507
            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
   508
        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
   509
            else
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
   510
        LandPixels[ty div 2, tx 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
   511
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
   512
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   513
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   514
    X:= nx;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   515
    Y:= ny;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   516
    for t:= 0 to ticks do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   517
        begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   518
        X:= X + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   519
        Y:= Y + dY;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   520
        tx:= hwRound(X);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   521
        ty:= hwRound(Y);
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   522
        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
   523
            begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   524
            if (Land[ty, tx] and lfBasic) <> 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
   525
                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
   526
                    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
   527
                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
   528
                    LandPixels[ty div 2, tx div 2]:= LandBackPixel(tx, ty)
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   529
            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
   530
              if (Land[ty, tx] and lfObject) <> 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
   531
                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
   532
                LandPixels[ty, tx]:= 0
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
   533
                else
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
   534
                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
   535
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   536
            Land[ty, tx]:= 0;
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   537
            end
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   538
        end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   539
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   540
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   541
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   542
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   543
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   544
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   545
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   546
       ((tx and LAND_WIDTH_MASK) = 0) and
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   547
       (((Land[ty, tx] and lfBasic) <> 0) or
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   548
       ((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
   549
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   550
        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
   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]:= 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
   553
        else
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
   554
        LandPixels[ty div 2, tx 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
   555
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
   556
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   557
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   558
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   559
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   560
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   561
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   562
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   563
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   564
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   565
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   566
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   567
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   568
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   569
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   570
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   571
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   572
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   573
       ((tx and LAND_WIDTH_MASK) = 0) and
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   574
       (((Land[ty, tx] and lfBasic) <> 0) or
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   575
       ((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
   576
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   577
        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
   578
        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
   579
        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
   580
        else
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
   581
        LandPixels[ty div 2, tx div 2]:= cExplosionBorderColor
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   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
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   588
tx:= Max(stX - HalfWidth * 2 - 4 - abs(hwRound(dX * ticks)), 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   589
ty:= Max(stY - HalfWidth * 2 - 4 - abs(hwRound(dY * ticks)), 0);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   590
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
   591
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
   592
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   593
UpdateLandTexture(tx, ddx, ty, ddy)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   594
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   595
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   596
function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean): boolean;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   597
var X, Y, bpp, h, w, row, col, numFramesFirstCol: LongInt;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   598
    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
   599
    Image: PSDL_Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   600
begin
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   601
numFramesFirstCol:= SpritesData[Obj].imageHeight div SpritesData[Obj].Height;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   602
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   603
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
   604
Image:= SpritesData[Obj].Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   605
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
   606
h:= SpritesData[Obj].Height;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   607
row:= Frame mod numFramesFirstCol;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   608
col:= Frame div numFramesFirstCol;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   609
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   610
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   611
   SDLTry(SDL_LockSurface(Image) >= 0, true);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   612
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   613
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
   614
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
   615
// Check that sprite fits free space
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   616
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   617
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   618
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   619
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   620
            for x:= 0 to Pred(w) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   621
                if PLongword(@(p^[x * 4]))^ <> 0 then
3749
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   622
                   if ((cpY + y) <= Longint(topY)) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   623
                      ((cpY + y) >= LAND_HEIGHT) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   624
                      ((cpX + x) <= Longint(leftX)) or
d0920e92008e Engine:
smaxx
parents: 3697
diff changeset
   625
                      ((cpX + x) >= Longint(rightX)) or
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   626
                      (Land[cpY + y, cpX + x] <> 0) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   627
                      begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   628
                      if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   629
                         SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   630
                      exit(false)
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   631
                      end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   632
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   633
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   634
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   635
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   636
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
   637
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
   638
   begin
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   639
   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
   640
      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
   641
   exit
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   642
   end;
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   643
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   644
// Checked, now place
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   645
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   646
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   647
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   648
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   649
            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
   650
                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
   651
                   begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   652
                   Land[cpY + y, cpX + x]:= lfObject;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   653
                   if (cReducedQuality and rqBlurryLand) = 0 then
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   654
                       LandPixels[cpY + y, cpX + x]:= PLongword(@(p^[x * 4]))^
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   655
                   else
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   656
                       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
   657
                   end;
409
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
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   662
   SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   663
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   664
x:= Max(cpX, leftX);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   665
w:= Min(cpX + Image^.w, LAND_WIDTH) - x;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   666
y:= Max(cpY, topY);
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 4367
diff changeset
   667
h:= Min(cpY + Image^.h, LAND_HEIGHT) - y;
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   668
UpdateLandTexture(x, w, y, h)
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   669
end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   670
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   671
// 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
   672
function Despeckle(X, Y: LongInt): boolean;
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   673
var nx, ny, i, j, c: LongInt;
00e8dadce69a Add nemo's depixeling patch. Still needs some polishing for the case when we delete pixel on which hedgehog stays
unc0rr
parents: 1066
diff changeset
   674
begin
3521
96a502730e81 Remove redundant test, add some temp variables to speed up the expensive CheckLand
nemo
parents: 3519
diff changeset
   675
if ((Land[Y, X] and lfDamaged) <> 0) and ((Land[Y, X] and lfIndestructible) = 0) then // check neighbours
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   676
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   677
    c:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   678
    for i:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   679
        for j:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   680
            if (i <> 0) or (j <> 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   681
                begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   682
                ny:= Y + i;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   683
                nx:= X + j;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   684
                if ((ny and LAND_HEIGHT_MASK) = 0) and ((nx and LAND_WIDTH_MASK) = 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   685
                    if Land[ny, nx] > 255 then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   686
                        inc(c);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   687
                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
   688
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   689
    if c < 4 then // 0-3 neighbours
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   690
        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
   691
        if (cReducedQuality and rqBlurryLand) = 0 then
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   692
            if (Land[Y, X] and lfBasic) <> 0 then
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   693
                LandPixels[Y, X]:= LandBackPixel(X, Y)
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
   694
            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
   695
                LandPixels[Y, X]:= 0
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
   696
        else
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   697
            if (Land[Y, X] and lfBasic) <> 0 then
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3689
diff changeset
   698
                LandPixels[Y div 2, X div 2]:= LandBackPixel(X, Y)
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
   699
            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
   700
                LandPixels[Y div 2, X div 2]:= 0;
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
   701
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   702
        Land[Y, X]:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   703
        exit(true);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   704
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   705
    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
   706
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
   707
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
   708
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   709
function SweepDirty: boolean;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   710
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
   711
    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
   712
begin
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   713
bRes:= false;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   714
reCheck:= true;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   715
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   716
while recheck do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   717
    begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   718
    recheck:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   719
    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
   720
        begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   721
        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
   722
            begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   723
            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
   724
                begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   725
                updateBlock:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   726
                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   727
                ty:= y * 32;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   728
                tx:= x * 32;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   729
                while(resweep) do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   730
                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   731
                    resweep:= false;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   732
                    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
   733
                        for xx:= tx to tx + 31 do
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   734
                            if Despeckle(xx, yy) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   735
                                begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   736
                                bRes:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   737
                                updateBlock:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   738
                                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   739
                                if (yy = ty) and (y > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   740
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   741
                                    LandDirty[y-1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   742
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   743
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   744
                                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
   745
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   746
                                    LandDirty[y+1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   747
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   748
                                    end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   749
                                if (xx = tx) and (x > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   750
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   751
                                    LandDirty[y, x-1]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   752
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   753
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   754
                                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
   755
                                    begin
3601
8a74c9ceaf71 Revert most of optimisation except for some obvious fixes to errors someone or other introduced.
nemo
parents: 3596
diff changeset
   756
                                    LandDirty[y, x+1]:= 1;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   757
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   758
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   759
                                end;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   760
                    end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   761
                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
   762
                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
   763
                end;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   764
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   765
        end;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   766
     end;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   767
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   768
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
   769
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   770
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
   771
// 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
   772
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
   773
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
   774
     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
   775
end;
4367
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   776
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   777
function LandBackPixel(x, y: LongInt): LongWord;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   778
var p: PLongWordArray;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   779
begin
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   780
    if LandBackSurface = nil then LandBackPixel:= 0
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   781
    else
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   782
    begin
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   783
        p:= LandBackSurface^.pixels;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   784
        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
   785
    end
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   786
end;
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   787
f4a0ec067601 uLand isn't that important to them
unc0rr
parents: 4359
diff changeset
   788
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   789
end.