hedgewars/uLandGraphics.pas
author koda
Sat, 17 Jul 2010 16:35:14 +0200
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aim now starts slow and then moves faster
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2005-2010 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uLandGraphics;
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interface
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uses uFloat, uConsts;
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type PRangeArray = ^TRangeArray;
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     TRangeArray = array[0..31] of record
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                                   Left, Right: LongInt;
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                                   end;
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function  SweepDirty: boolean;
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function  Despeckle(X, Y: LongInt): boolean;
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function  CheckLandValue(X, Y: LongInt; LandFlag: Word): boolean;
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procedure DrawExplosion(X, Y, Radius: LongInt);
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procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
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procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
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procedure FillRoundInLand(X, Y, Radius: LongInt; Value: Longword);
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procedure ChangeRoundInLand(X, Y, Radius: LongInt; doSet: boolean);
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function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean): boolean;
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implementation
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uses SDLh, uMisc, uLand, uLandTexture;
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procedure FillCircleLines(x, y, dx, dy: LongInt; Value: Longword);
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var i: LongInt;
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begin
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if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (Land[y + dy, i] and lfIndestructible) = 0 then
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            Land[y + dy, i]:= Value;
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if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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   for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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        if (Land[y - dy, i] and lfIndestructible) = 0 then
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            Land[y - dy, i]:= Value;
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if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (Land[y + dx, i] and lfIndestructible) = 0 then
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            Land[y + dx, i]:= Value;
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if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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    for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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        if (Land[y - dx, i] and lfIndestructible) = 0 then
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            Land[y - dx, i]:= Value;
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end;
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procedure ChangeCircleLines(x, y, dx, dy: LongInt; doSet: boolean);
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var i: LongInt;
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begin
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if not doSet then
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   begin
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   if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y + dy, i] > 0) and (Land[y + dy, i] < 256) then dec(Land[y + dy, i]); // check > 0 because explosion can erase collision data
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   if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y - dy, i] > 0) and (Land[y - dy, i] < 256) then dec(Land[y - dy, i]);
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   if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y + dx, i] > 0) and (Land[y + dx, i] < 256) then dec(Land[y + dx, i]);
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   if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y - dx, i] > 0) and (Land[y - dx, i] < 256) then dec(Land[y - dx, i]);
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   end else
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   begin
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   if ((y + dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y + dy, i] < 256) then
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              inc(Land[y + dy, i]);
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   if ((y - dy) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dx, 0) to min(x + dx, LAND_WIDTH - 1) do
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          if (Land[y - dy, i] < 256) then
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              inc(Land[y - dy, i]);
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   if ((y + dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y + dx, i] < 256) then
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              inc(Land[y + dx, i]);
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   if ((y - dx) and LAND_HEIGHT_MASK) = 0 then
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      for i:= max(x - dy, 0) to min(x + dy, LAND_WIDTH - 1) do
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          if (Land[y - dx, i] < 256) then
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              inc(Land[y - dx, i]);
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   end
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end;
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procedure FillRoundInLand(X, Y, Radius: LongInt; Value: Longword);
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var dx, dy, d: LongInt;
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begin
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  dx:= 0;
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  dy:= Radius;
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  d:= 3 - 2 * Radius;
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  while (dx < dy) do
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     begin
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     FillCircleLines(x, y, dx, dy, Value);
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     if (d < 0)
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     then d:= d + 4 * dx + 6
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     else begin
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          d:= d + 4 * (dx - dy) + 10;
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          dec(dy)
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          end;
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     inc(dx)
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     end;
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  if (dx = dy) then FillCircleLines(x, y, dx, dy, Value);
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end;
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procedure ChangeRoundInLand(X, Y, Radius: LongInt; doSet: boolean);
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var dx, dy, d: LongInt;
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begin
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  dx:= 0;
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  dy:= Radius;
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  d:= 3 - 2 * Radius;
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  while (dx < dy) do
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     begin
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     ChangeCircleLines(x, y, dx, dy, doSet);
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     if (d < 0)
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     then d:= d + 4 * dx + 6
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     else begin
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          d:= d + 4 * (dx - dy) + 10;
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          dec(dy)
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          end;
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     inc(dx)
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     end;
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  if (dx = dy) then ChangeCircleLines(x, y, dx, dy, doSet)
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end;
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procedure FillLandCircleLines0(x, y, dx, dy: LongInt);
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var i, 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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procedure FillLandCircleLinesBG(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) then
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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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       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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           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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       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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           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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       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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            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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       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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end;
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371
731ad6d27bd1 integer -> LongInt
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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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   266
          end;
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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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   275
            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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          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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       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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           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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       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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   306
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          Land[t, i]:= Land[t, i] or lfDamaged;
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          //Despeckle(i, y - dy);
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          LandDirty[t div 32, i div 32]:= 1;
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          end;
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end;
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procedure DrawExplosion(X, Y, Radius: LongInt);
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var dx, dy, ty, tx, d: LongInt;
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begin
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// draw background land texture
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    begin
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    dx:= 0;
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    dy:= Radius;
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    d:= 3 - 2 * Radius;
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    while (dx < dy) do
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        begin
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        FillLandCircleLinesBG(x, y, dx, dy);
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        if (d < 0)
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        then d:= d + 4 * dx + 6
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        else begin
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            d:= d + 4 * (dx - dy) + 10;
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            dec(dy)
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            end;
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        inc(dx)
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   333
        end;
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    if (dx = dy) then FillLandCircleLinesBG(x, y, dx, dy);
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    end;
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// draw a hole in land
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if Radius > 20 then
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    begin
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    dx:= 0;
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    dy:= Radius - 15;
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    d:= 3 - 2 * dy;
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   343
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    while (dx < dy) do
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        begin
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        FillLandCircleLines0(x, y, dx, dy);
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   347
        if (d < 0)
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   348
        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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   354
        end;
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   355
    if (dx = dy) then FillLandCircleLines0(x, y, dx, dy);
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   356
    end;
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unc0rr
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   357
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   358
  // FillRoundInLand after erasing land pixels to allow Land 0 check for mask.png to function
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   359
    FillRoundInLand(X, Y, Radius, 0);
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   360
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unc0rr
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   361
// draw explosion border
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   362
    begin
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   363
    inc(Radius, 4);
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   364
    dx:= 0;
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   365
    dy:= Radius;
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   366
    d:= 3 - 2 * Radius;
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   367
    while (dx < dy) do
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   368
        begin
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   369
        FillLandCircleLinesEBC(x, y, dx, dy);
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   370
        if (d < 0)
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   371
        then d:= d + 4 * dx + 6
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   372
        else begin
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   373
            d:= d + 4 * (dx - dy) + 10;
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   374
            dec(dy)
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   375
            end;
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   376
        inc(dx)
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   377
        end;
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   378
    if (dx = dy) then FillLandCircleLinesEBC(x, y, dx, dy);
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   379
    end;
351
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diff changeset
   380
1807
795f97007833 Split land texture into small ones:
unc0rr
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   381
tx:= max(X - Radius - 1, 0);
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   382
dx:= min(X + Radius + 1, LAND_WIDTH) - tx;
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   383
ty:= max(Y - Radius - 1, 0);
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   384
dy:= min(Y + Radius + 1, LAND_HEIGHT) - ty;
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   385
UpdateLandTexture(tx, dx, ty, dy)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   386
end;
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parents: 109
diff changeset
   387
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   388
procedure DrawHLinesExplosions(ar: PRangeArray; Radius: LongInt; y, dY: LongInt; Count: Byte);
184
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diff changeset
   389
var tx, ty, i: LongInt;
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unc0rr
parents: 109
diff changeset
   390
begin
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diff changeset
   391
for i:= 0 to Pred(Count) do
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   392
    begin
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diff changeset
   393
    for ty:= max(y - Radius, 0) to min(y + Radius, LAND_HEIGHT) do
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unc0rr
parents: 2741
diff changeset
   394
        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
   395
            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
   396
                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
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diff changeset
   397
                    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
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diff changeset
   398
                else
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
   399
                    LandPixels[ty div 2, tx div 2]:= 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
   400
            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
   401
                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
   402
                    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
   403
                        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
   404
                    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
   405
                        LandPixels[ty div 2, tx div 2]:= 0;
2948
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unc0rr
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diff changeset
   406
    inc(y, dY)
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unc0rr
parents: 2741
diff changeset
   407
    end;
184
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parents: 109
diff changeset
   408
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unc0rr
parents: 109
diff changeset
   409
inc(Radius, 4);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   410
dec(y, Count * dY);
184
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unc0rr
parents: 109
diff changeset
   411
f97a7a3dc8f6 - Update more headers
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diff changeset
   412
for i:= 0 to Pred(Count) do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   413
    begin
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
diff changeset
   414
    for ty:= max(y - Radius, 0) to min(y + Radius, LAND_HEIGHT) do
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
diff changeset
   415
        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
   416
            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
   417
                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
   418
                    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
   419
                        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
   420
                    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
   421
                        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
   422
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   423
                Land[ty, tx]:= Land[ty, tx] or lfDamaged;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   424
                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
   425
                end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   426
    inc(y, dY)
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   427
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   428
818
635e58295079 Fix drill bug
unc0rr
parents: 772
diff changeset
   429
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   430
UpdateLandTexture(0, LAND_WIDTH, 0, LAND_HEIGHT)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   431
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   432
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   433
//
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   434
//  - (dX, dY) - direction, vector of length = 0.5
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   435
//
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 358
diff changeset
   436
procedure DrawTunnel(X, Y, dX, dY: hwFloat; ticks, HalfWidth: LongInt);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   437
var nx, ny, dX8, dY8: hwFloat;
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   438
    i, t, tx, ty, stX, stY, ddy, ddx: Longint;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   439
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
   440
stY:= hwRound(Y);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   441
stX:= hwRound(X);
772
e8d530ca77be Don't update all land texture when drawing tunnel (saves video throughput)
unc0rr
parents: 769
diff changeset
   442
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   443
nx:= X + dY * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   444
ny:= Y - dX * (HalfWidth + 8);
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   445
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   446
dX8:= dX * 8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   447
dY8:= dY * 8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   448
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   449
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   450
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   451
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   452
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   453
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   454
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   455
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   456
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   457
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   458
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   459
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   460
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   461
       ((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
   462
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   463
        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
   464
            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
   465
            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
   466
            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
   467
            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
   468
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   469
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   470
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   471
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   472
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   473
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   474
for i:= -HalfWidth to HalfWidth do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   475
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   476
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   477
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   478
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   479
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   480
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   481
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   482
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   483
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   484
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   485
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   486
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   487
       ((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
   488
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   489
        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
   490
            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
   491
        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
   492
            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
   493
        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
   494
3509
d72c2219595d Make land types flagged (to allow stacking future attributes such as indestructible ice, but also for a damaged flag)
nemo
parents: 3236
diff changeset
   495
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   496
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   497
    X:= nx;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   498
    Y:= ny;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   499
    for t:= 0 to ticks do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   500
        begin
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   501
        X:= X + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   502
        Y:= Y + dY;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   503
        tx:= hwRound(X);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 345
diff changeset
   504
        ty:= hwRound(Y);
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   505
        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
   506
            begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   507
            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
   508
                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
   509
                    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
   510
                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
   511
                    LandPixels[ty div 2, tx div 2]:= 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
   512
            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
   513
              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
   514
                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
   515
                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
   516
                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
   517
                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
   518
2647
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   519
            Land[ty, tx]:= 0;
0e1208e92dfe Smaxx patch with tuning by me:
unc0rr
parents: 2646
diff changeset
   520
            end
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   521
        end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   522
    for t:= 0 to 7 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   523
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   524
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   525
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   526
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   527
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   528
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   529
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   530
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   531
       ((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
   532
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   533
        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
   534
        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
   535
        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
   536
        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
   537
        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
   538
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
   539
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   540
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   541
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   542
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   543
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   544
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   545
for i:= 0 to 7 do
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   546
    begin
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   547
    X:= nx - dX8;
236bbd12d4d9 - New Land Generator
unc0rr
parents: 351
diff changeset
   548
    Y:= ny - dY8;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   549
    for t:= -8 to ticks + 8 do
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   550
    begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   551
    X:= X + dX;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   552
    Y:= Y + dY;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   553
    tx:= hwRound(X);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   554
    ty:= hwRound(Y);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   555
    if ((ty and LAND_HEIGHT_MASK) = 0) and
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   556
       ((tx and LAND_WIDTH_MASK) = 0) and
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   557
       (((Land[ty, tx] and lfBasic) <> 0) or 
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   558
       ((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
   559
        begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   560
        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
   561
        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
   562
        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
   563
        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
   564
        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
   565
        end
2666
2b8c8f16421e update SDLMain.m/.h to latest version
koda
parents: 2648
diff changeset
   566
    end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   567
    nx:= nx - dY;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   568
    ny:= ny + dX;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   569
    end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   570
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   571
tx:= max(stX - HalfWidth * 2 - 4 - abs(hwRound(dX * ticks)), 0);
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   572
ty:= max(stY - HalfWidth * 2 - 4 - abs(hwRound(dY * ticks)), 0);
1809
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   573
ddx:= min(stX + HalfWidth * 2 + 4 + abs(hwRound(dX * ticks)), LAND_WIDTH) - tx;
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   574
ddy:= min(stY + HalfWidth * 2 + 4 + abs(hwRound(dY * ticks)), LAND_HEIGHT) - ty;
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   575
77923087a1ce Some optimization of land texture updating
unc0rr
parents: 1807
diff changeset
   576
UpdateLandTexture(tx, ddx, ty, ddy)
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   577
end;
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   578
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   579
function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean): boolean;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   580
var X, Y, bpp, h, w, row, col, numFramesFirstCol: LongInt;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   581
    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
   582
    Image: PSDL_Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   583
begin
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   584
numFramesFirstCol:= SpritesData[Obj].imageHeight div SpritesData[Obj].Height;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   585
769
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   586
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
   587
Image:= SpritesData[Obj].Surface;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   588
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
   589
h:= SpritesData[Obj].Height;
2235
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   590
row:= Frame mod numFramesFirstCol;
79c9542c1058 multi-column support
nemo
parents: 2167
diff changeset
   591
col:= Frame div numFramesFirstCol;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   592
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   593
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   594
   SDLTry(SDL_LockSurface(Image) >= 0, true);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   595
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   596
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
   597
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
   598
// Check that sprite fits free space
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   599
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   600
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   601
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   602
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   603
            for x:= 0 to Pred(w) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   604
                if PLongword(@(p^[x * 4]))^ <> 0 then
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   605
                   if ((cpY + y) < Longint(topY)) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   606
                      ((cpY + y) > LAND_HEIGHT) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   607
                      ((cpX + x) < Longint(leftX)) or
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   608
                      ((cpX + x) > Longint(rightX)) or
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   609
                      (Land[cpY + y, cpX + x] <> 0) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   610
                      begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   611
                      if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   612
                         SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   613
                      exit(false)
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   614
                      end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   615
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   616
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   617
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   618
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   619
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
   620
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
   621
   begin
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   622
   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
   623
      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
   624
   exit
788efc1d649f - Save 8 MB of memory by freeing LandSurface and not using it anymore after game initialization
unc0rr
parents: 768
diff changeset
   625
   end;
520
e83dfb7ffead Teleportation tool
unc0rr
parents: 511
diff changeset
   626
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   627
// Checked, now place
2236
af8fc3311748 the -1 was a bad idea
nemo
parents: 2235
diff changeset
   628
p:= @(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]);
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   629
case bpp of
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   630
     4: for y:= 0 to Pred(h) do
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   631
            begin
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   632
            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
   633
                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
   634
                   begin
3519
56cbc035b74b rename flags
nemo
parents: 3518
diff changeset
   635
                   Land[cpY + y, cpX + x]:= lfObject;
3596
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   636
                   if (cReducedQuality and rqBlurryLand) = 0 then
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   637
                       LandPixels[cpY + y, cpX + x]:= PLongword(@(p^[x * 4]))^
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   638
                   else
51062794ed01 Store some calcs to speed up uLandGraphics a tad
nemo
parents: 3595
diff changeset
   639
                       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
   640
                   end;
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   641
            p:= @(p^[Image^.pitch]);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   642
            end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   643
     end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   644
if SDL_MustLock(Image) then
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   645
   SDL_UnlockSurface(Image);
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   646
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   647
x:= max(cpX, leftX);
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   648
w:= min(cpX + Image^.w, LAND_WIDTH) - x;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   649
y:= max(cpY, topY);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1738
diff changeset
   650
h:= min(cpY + Image^.h, LAND_HEIGHT) - y;
1807
795f97007833 Split land texture into small ones:
unc0rr
parents: 1806
diff changeset
   651
UpdateLandTexture(x, w, y, h)
409
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   652
end;
4f1841929ccc Construction tool
unc0rr
parents: 393
diff changeset
   653
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   654
// 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
   655
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
   656
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
   657
begin
3521
96a502730e81 Remove redundant test, add some temp variables to speed up the expensive CheckLand
nemo
parents: 3519
diff changeset
   658
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
   659
    begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   660
    c:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   661
    for i:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   662
        for j:= -1 to 1 do
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   663
            if (i <> 0) or (j <> 0) then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   664
                begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   665
                ny:= Y + i;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   666
                nx:= X + j;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   667
                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
   668
                    if Land[ny, nx] > 255 then
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   669
                        inc(c);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   670
                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
   671
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   672
    if c < 4 then // 0-3 neighbours
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   673
        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
   674
        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
   675
            if (Land[Y, X] and lfBasic) <> 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
   676
                LandPixels[Y, X]:= LandBackPixel(X, Y) 
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
   677
            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
   678
                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
   679
        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
   680
            if (Land[Y, X] and lfBasic) <> 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
   681
                LandPixels[Y div 2, X div 2]:= LandBackPixel(X, Y) 
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
   682
            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
   683
                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
   684
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   685
        Land[Y, X]:= 0;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   686
        exit(true);
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   687
        end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   688
    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
   689
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
   690
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
   691
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   692
function SweepDirty: boolean;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   693
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
   694
    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
   695
begin
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   696
bRes:= false;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   697
reCheck:= true;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   698
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   699
while recheck do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   700
    begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   701
    recheck:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   702
    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
   703
        begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   704
        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
   705
            begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   706
            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
   707
                begin
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   708
                updateBlock:= false;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   709
                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   710
                ty:= y * 32;
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   711
                tx:= x * 32;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   712
                while(resweep) do
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   713
                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   714
                    resweep:= false;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   715
                    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
   716
                        for xx:= tx to tx + 31 do
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   717
                            if Despeckle(xx, yy) then
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   718
                                begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   719
                                bRes:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   720
                                updateBlock:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   721
                                resweep:= true;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   722
                                if (yy = ty) and (y > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   723
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   724
                                    LandDirty[y-1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   725
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   726
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   727
                                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
   728
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   729
                                    LandDirty[y+1, x]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   730
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   731
                                    end;
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   732
                                if (xx = tx) and (x > 0) then
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   733
                                    begin
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   734
                                    LandDirty[y, x-1]:= 1;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   735
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   736
                                    end
3602
99c93fa258d6 Restore prior optimisation with the wildly out-of-bounds tx in LandDirty removed
nemo
parents: 3601
diff changeset
   737
                                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
   738
                                    begin
3601
8a74c9ceaf71 Revert most of optimisation except for some obvious fixes to errors someone or other introduced.
nemo
parents: 3596
diff changeset
   739
                                    LandDirty[y, x+1]:= 1;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   740
                                    recheck:= true;
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   741
                                    end
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   742
                                end;
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
                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
   745
                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
   746
                end;
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   747
            end;
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2741
diff changeset
   748
        end;
3554
066faceb977d Extend pixel sweep to recheck neighbours if erasing on edges
nemo
parents: 3521
diff changeset
   749
     end;
1792
c30c6944bd49 engine part of nemo's patch
unc0rr
parents: 1761
diff changeset
   750
2695
ed789a7ef68d makes freepascal code compatible with OBJFPC mode
koda
parents: 2666
diff changeset
   751
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
   752
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   753
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
   754
// 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
   755
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
   756
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
   757
     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
   758
end;
184
f97a7a3dc8f6 - Update more headers
unc0rr
parents: 109
diff changeset
   759
end.