hedgewars/uRenderUtils.pas
author Gianfranco Costamagna <costamagnagianfranco@yahoo.it>
Tue, 06 Jan 2015 03:41:10 +0100
changeset 10780 edfe052bebe6
parent 10691 97f45f1374be
child 10860 891bf0aca23e
permissions -rw-r--r--
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2014 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *)
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{$INCLUDE "options.inc"}
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unit uRenderUtils;
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interface
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uses SDLh, uTypes;
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procedure flipSurface(Surface: PSDL_Surface; Vertical: Boolean);
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procedure copyRotatedSurface(src, dest: PSDL_Surface); // this is necessary since width/height are read only in SDL
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procedure copyToXY(src, dest: PSDL_Surface; destX, destY: LongInt); inline;
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procedure copyToXYFromRect(src, dest: PSDL_Surface; srcX, srcY, srcW, srcH, destX, destY: LongInt);
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procedure DrawSprite2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt); inline;
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procedure DrawSpriteFrame2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt; frame: LongInt);
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procedure DrawLine2Surf(dest: PSDL_Surface; x0,y0,x1,y1:LongInt; r,g,b: byte);
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procedure DrawRoundRect(rect: PSDL_Rect; BorderColor, FillColor: Longword; Surface: PSDL_Surface; Clear: boolean);
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function  RenderStringTex(s: ansistring; Color: Longword; font: THWFont): PTexture;
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function  RenderStringTexLim(s: ansistring; Color: Longword; font: THWFont; maxLength: LongWord): PTexture;
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function  RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
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implementation
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uses uUtils, uVariables, uConsts, uTextures, SysUtils, uDebug;
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procedure DrawRoundRect(rect: PSDL_Rect; BorderColor, FillColor: Longword; Surface: PSDL_Surface; Clear: boolean);
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var r: TSDL_Rect;
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begin
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    r:= rect^;
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    if Clear then
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        SDL_FillRect(Surface, @r, 0);
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    BorderColor:= SDL_MapRGB(Surface^.format, BorderColor shr 16, BorderColor shr 8, BorderColor and $FF);
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    FillColor:= SDL_MapRGB(Surface^.format, FillColor shr 16, FillColor shr 8, FillColor and $FF);
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    r.y:= rect^.y + 1;
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    r.h:= rect^.h - 2;
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    SDL_FillRect(Surface, @r, BorderColor);
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    r.x:= rect^.x + 1;
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    r.w:= rect^.w - 2;
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    r.y:= rect^.y;
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    r.h:= rect^.h;
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    SDL_FillRect(Surface, @r, BorderColor);
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    r.x:= rect^.x + 2;
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    r.y:= rect^.y + 1;
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    r.w:= rect^.w - 4;
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    r.h:= rect^.h - 2;
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    SDL_FillRect(Surface, @r, FillColor);
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    r.x:= rect^.x + 1;
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    r.y:= rect^.y + 2;
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    r.w:= rect^.w - 2;
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    r.h:= rect^.h - 4;
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    SDL_FillRect(Surface, @r, FillColor);
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end;
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(*
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function WriteInRoundRect(Surface: PSDL_Surface; X, Y: LongInt; Color: LongWord; Font: THWFont; s: ansistring): TSDL_Rect;
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begin
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    WriteInRoundRect:= WriteInRoundRect(Surface, X, Y, Color, Font, s, 0);
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end;*)
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function WriteInRoundRect(Surface: PSDL_Surface; X, Y: LongInt; Color: LongWord; Font: THWFont; s: ansistring; maxLength: LongWord): TSDL_Rect;
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var w, h: Longword;
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    tmpsurf: PSDL_Surface;
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    clr: TSDL_Color;
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    finalRect, textRect: TSDL_Rect;
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begin
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    TTF_SizeUTF8(Fontz[Font].Handle, PChar(s), @w, @h);
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    if (maxLength > 0) and (w > maxLength) then w := maxLength;
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    finalRect.x:= X;
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    finalRect.y:= Y;
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    finalRect.w:= w + cFontBorder * 2 + 4;
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    finalRect.h:= h + cFontBorder * 2;
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    textRect.x:= X;
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    textRect.y:= Y;
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    textRect.w:= w;
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    textRect.h:= h;
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    DrawRoundRect(@finalRect, cWhiteColor, cNearBlackColor, Surface, true);
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    clr.r:= (Color shr 16) and $FF;
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    clr.g:= (Color shr 8) and $FF;
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    clr.b:= Color and $FF;
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    tmpsurf:= TTF_RenderUTF8_Blended(Fontz[Font].Handle, PChar(s), clr);
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    finalRect.x:= X + cFontBorder + 2;
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    finalRect.y:= Y + cFontBorder;
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    SDLTry(tmpsurf <> nil, true);
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    SDL_UpperBlit(tmpsurf, @textRect, Surface, @finalRect);
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    SDL_FreeSurface(tmpsurf);
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    finalRect.x:= X;
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    finalRect.y:= Y;
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    finalRect.w:= w + cFontBorder * 2 + 4;
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    finalRect.h:= h + cFontBorder * 2;
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    WriteInRoundRect:= finalRect;
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end;
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procedure flipSurface(Surface: PSDL_Surface; Vertical: Boolean);
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var y, x, i, j: LongInt;
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    tmpPixel: Longword;
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    pixels: PLongWordArray;
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begin
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    TryDo(Surface^.format^.BytesPerPixel = 4, 'flipSurface failed, expecting 32 bit surface', true);
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    SDL_LockSurface(Surface);
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    pixels:= Surface^.pixels;
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    if Vertical then
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    for y := 0 to (Surface^.h div 2) - 1 do
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        for x := 0 to Surface^.w - 1 do
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            begin
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            i:= y * Surface^.w + x;
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            j:= (Surface^.h - y - 1) * Surface^.w + x;
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end
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    else
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    for x := 0 to (Surface^.w div 2) - 1 do
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        for y := 0 to Surface^.h -1 do
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            begin
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            i:= y*Surface^.w + x;
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            j:= y*Surface^.w + (Surface^.w - x - 1);
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end;
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    SDL_UnlockSurface(Surface);
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end;
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procedure copyToXY(src, dest: PSDL_Surface; destX, destY: LongInt); inline;
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begin
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    copyToXYFromRect(src, dest, 0, 0, src^.w, src^.h, destX, destY);
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end;
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procedure copyToXYFromRect(src, dest: PSDL_Surface; srcX, srcY, srcW, srcH, destX, destY: LongInt);
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var i, j, maxDest, maxSrc, iX, iY: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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    r0, g0, b0, a0, r1, g1, b1, a1: Byte;
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begin
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    maxDest:= (dest^.pitch div 4) * dest^.h;
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    maxSrc:= (src^.pitch div 4) * src^.h;
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    SDL_LockSurface(src);
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    SDL_LockSurface(dest);
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    srcPixels:= src^.pixels;
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    destPixels:= dest^.pixels;
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    for iX:= 0 to srcW - 1 do
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    for iY:= 0 to srcH - 1 do
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        begin
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        i:= (destY + iY) * (dest^.pitch div 4) + (destX + iX);
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        j:= (srcY  + iY) * (src^.pitch  div 4) + (srcX  + iX);
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        if (i < maxDest) and (j < maxSrc) and (srcPixels^[j] and AMask <> 0) then
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            begin
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            SDL_GetRGBA(destPixels^[i], dest^.format, @r0, @g0, @b0, @a0);
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            SDL_GetRGBA(srcPixels^[j], src^.format, @r1, @g1, @b1, @a1);
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            r0:= (r0 * (255 - LongInt(a1)) + r1 * LongInt(a1)) div 255;
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            g0:= (g0 * (255 - LongInt(a1)) + g1 * LongInt(a1)) div 255;
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            b0:= (b0 * (255 - LongInt(a1)) + b1 * LongInt(a1)) div 255;
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            a0:= (a0 * (255 - LongInt(a1)) + a1 * LongInt(a1)) div 255;
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            destPixels^[i]:= SDL_MapRGBA(dest^.format, r0, g0, b0, a0);
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            end;
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        end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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procedure DrawSprite2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt); inline;
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begin
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    DrawSpriteFrame2Surf(sprite, dest, x, y, 0);
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end;
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procedure DrawSpriteFrame2Surf(sprite: TSprite; dest: PSDL_Surface; x,y,frame: LongInt);
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var numFramesFirstCol, row, col: LongInt;
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begin
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    numFramesFirstCol:= SpritesData[sprite].imageHeight div SpritesData[sprite].Height;
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    row:= Frame mod numFramesFirstCol;
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    col:= Frame div numFramesFirstCol;
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    copyToXYFromRect(SpritesData[sprite].Surface, dest,
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             col*SpritesData[sprite].Width,
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             row*SpritesData[sprite].Height,
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             SpritesData[sprite].Width,
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             spritesData[sprite].Height,
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             x,y);
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end;
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procedure DrawLine2Surf(dest: PSDL_Surface; x0, y0,x1,y1: LongInt; r,g,b: byte);
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var
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    dx,dy,err,e2,sx,sy: LongInt;
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    yMax: LongInt;
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    destPixels: PLongwordArray;
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begin
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    //max:= (dest^.pitch div 4) * dest^.h;
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    yMax:= dest^.pitch div 4;
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    SDL_LockSurface(dest);
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    destPixels:= dest^.pixels;
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    dx:= abs(x1-x0);
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    dy:= abs(y1-y0);
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    if x0 < x1 then sx:= 1 else sx:= -1;
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    if y0 < y1 then sy:= 1 else sy:= -1;
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    err:= dx-dy;
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    while(true) do
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        begin
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        destPixels^[(y0 * yMax) + x0]:= SDL_MapRGB(dest^.format, r,g,b); //But will it blend? no
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        if (x0 = x1) and (y0 = y1) then break;
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        e2:= 2*err;
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        if e2 > -dy then
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            begin
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            err:= err - dy;
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            x0 := x0 + sx;
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            end;
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        if e2 < dx then
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            begin
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            err:= err + dx;
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            y0:=y0+sy
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            end;
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        end;
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    SDL_UnlockSurface(dest);
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end;
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procedure copyRotatedSurface(src, dest: PSDL_Surface); // this is necessary since width/height are read only in SDL, apparently
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var y, x, i, j: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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begin
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    TryDo(src^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    TryDo(dest^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    SDL_LockSurface(src);
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    SDL_LockSurface(dest);
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    srcPixels:= src^.pixels;
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    destPixels:= dest^.pixels;
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    j:= 0;
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    for x := 0 to src^.w - 1 do
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        for y := 0 to src^.h - 1 do
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            begin
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            i:= (src^.h - 1 - y) * (src^.pitch div 4) + x;
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            destPixels^[j]:= srcPixels^[i];
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            inc(j)
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            end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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function RenderStringTex(s: ansistring; Color: Longword; font: THWFont): PTexture;
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begin
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    RenderStringTex:= RenderStringTexLim(s, Color, font, 0);
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end;
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function RenderStringTexLim(s: ansistring; Color: Longword; font: THWFont; maxLength: LongWord): PTexture;
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var w, h: Longword;
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    finalSurface: PSDL_Surface;
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begin
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    if cOnlyStats then
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        begin
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        RenderStringTexLim:= nil;
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        end
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   284
    else
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        begin
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   286
        if length(s) = 0 then s:= _S' ';
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   287
        font:= CheckCJKFont(s, font);
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   288
        w:= 0; h:= 0; // avoid compiler hints
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   289
        TTF_SizeUTF8(Fontz[font].Handle, PChar(s), @w, @h);
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   290
        if (maxLength > 0) and (w > maxLength) then w := maxLength;
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diff changeset
   291
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        finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, w + cFontBorder * 2 + 4, h + cFontBorder * 2,
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   293
                32, RMask, GMask, BMask, AMask);
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   294
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   295
        TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
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   296
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   297
        WriteInRoundRect(finalSurface, 0, 0, Color, font, s, maxLength);
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   298
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   299
        TryDo(SDL_SetColorKey(finalSurface, SDL_SRCCOLORKEY, 0) = 0, errmsgTransparentSet, true);
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   300
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   301
        RenderStringTexLim:= Surface2Tex(finalSurface, false);
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   302
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   303
        SDL_FreeSurface(finalSurface);
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   304
        end;
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   305
end;
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   306
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692649e341fc change string types of speech bubbles fix to work with pas2c
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function GetNextSpeechLine(s: ansistring; ldelim: char; var startFrom: LongInt; out substr: ansistring): boolean;
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var p, l, m, r: Integer;
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    newl, skip: boolean;
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    c         : char;
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   311
begin
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   312
    m:= Length(s);
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   313
10690
c3b73dc33294 grmlgrml
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   314
    substr:= '';
c3b73dc33294 grmlgrml
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   315
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    SetLengthA(substr, m);
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   317
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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    // number of chars read
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    r:= 0;
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   320
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   321
    // number of chars to be written
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   322
    l:= 0;
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   323
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   324
    newl:= true;
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   325
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   326
    for p:= max(1, startFrom) to m do
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   327
        begin
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97f45f1374be change speechfix implementation (no "continue" anymore
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   328
10687
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   329
        inc(r);
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   330
        // read char from source string
10687
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   331
        c:= s[p];
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   332
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   333
        // strip empty lines, spaces and newlines on beginnings of line
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   334
        skip:= ((newl or (p = m)) and ((c = ' ') or (c = ldelim)));
10687
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sheepluva
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   335
10691
97f45f1374be change speechfix implementation (no "continue" anymore
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   336
        if (not skip) then
97f45f1374be change speechfix implementation (no "continue" anymore
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   337
            begin
97f45f1374be change speechfix implementation (no "continue" anymore
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   338
            newl:= (c = ldelim);
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   339
            // stop if we went past the end of the line
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   340
            if newl then
97f45f1374be change speechfix implementation (no "continue" anymore
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   341
                break;
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   342
10691
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   343
            // copy current char to output substring
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   344
            inc(l);
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   345
            substr[l]:= c;
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   346
            end;
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   347
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   348
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   349
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   350
    inc(startFrom, r);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   351
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   352
    SetLengthA(substr, l);
10687
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   353
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   354
    GetNextSpeechLine:= (l > 0);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   355
end;
4380
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   356
b78638b36b89 Introduce uRenderUtils
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   357
function RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   358
var textWidth, textHeight, x, y, w, h, i, j, pos, line, numLines, edgeWidth, edgeHeight, cornerWidth, cornerHeight: LongInt;
4380
b78638b36b89 Introduce uRenderUtils
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   359
    finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
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   360
    rect: TSDL_Rect;
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   361
    {$IFNDEF PAS2C}
10040
koda
parents: 10015
diff changeset
   362
    chars: set of char = [#9,' ',';',':','?','!',','];
10127
7f29a65aa1e4 It compiles \o/
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   363
    {$ENDIF}
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
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diff changeset
   364
    substr: ansistring;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   365
    edge, corner, tail: TSPrite;
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   366
begin
10139
9046f69dae4c In stats-only mode:
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diff changeset
   367
    if cOnlyStats then exit(nil);
9046f69dae4c In stats-only mode:
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diff changeset
   368
9046f69dae4c In stats-only mode:
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diff changeset
   369
    case SpeechType of
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
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diff changeset
   370
        1: begin
10139
9046f69dae4c In stats-only mode:
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diff changeset
   371
            edge:= sprSpeechEdge;
9046f69dae4c In stats-only mode:
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   372
            corner:= sprSpeechCorner;
9046f69dae4c In stats-only mode:
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   373
            tail:= sprSpeechTail;
9046f69dae4c In stats-only mode:
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diff changeset
   374
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   375
        2: begin
10139
9046f69dae4c In stats-only mode:
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diff changeset
   376
            edge:= sprThoughtEdge;
9046f69dae4c In stats-only mode:
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diff changeset
   377
            corner:= sprThoughtCorner;
9046f69dae4c In stats-only mode:
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diff changeset
   378
            tail:= sprThoughtTail;
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   379
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   380
        3: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   381
            edge:= sprShoutEdge;
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   382
            corner:= sprShoutCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   383
            tail:= sprShoutTail;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   384
            end
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   385
        else
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   386
            exit(nil)
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   387
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   388
    edgeHeight:= SpritesData[edge].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   389
    edgeWidth:= SpritesData[edge].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   390
    cornerWidth:= SpritesData[corner].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   391
    cornerHeight:= SpritesData[corner].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   392
    // This one screws up WrapText
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   393
    //s:= 'This is the song that never ends.  ''cause it goes on and on my friends. Some people, started singing it not knowing what it was. And they''ll just go on singing it forever just because... This is the song that never ends...';
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   394
    // This one does not
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   395
    //s:= 'This is the song that never ends.  cause it goes on and on my friends. Some people, started singing it not knowing what it was. And they will go on singing it forever just because... This is the song that never ends... ';
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   396
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   397
    numLines:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   398
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   399
    if length(s) = 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   400
        s:= '...';
10116
dd27562b6f21 rolling back my PChar stuff, because unC0Rr improves string handling pas2c instead <3
sheepluva
parents: 10108
diff changeset
   401
    font:= CheckCJKFont(s, font);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   402
    w:= 0; h:= 0; // avoid compiler hints
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   403
    TTF_SizeUTF8(Fontz[font].Handle, PChar(s), @w, @h);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   404
    if w<8 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   405
        w:= 8;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   406
    j:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   407
    if (length(s) > 20) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   408
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   409
        w:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   410
        i:= round(Sqrt(length(s)) * 2);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   411
        {$IFNDEF PAS2C}
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   412
        s:= WrapText(s, #1, chars, i);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   413
        {$ENDIF}
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   414
        pos:= 1; line:= 0;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   415
    // Find the longest line for the purposes of centring the text.  Font dependant.
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   416
        while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   417
            begin
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   418
            inc(numLines);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   419
            i:= 0; j:= 0;
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   420
            TTF_SizeUTF8(Fontz[font].Handle, PChar(substr), @i, @j);
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   421
            if i > w then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   422
                w:= i;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   423
            end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   424
        end
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   425
    else numLines := 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   426
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   427
    if numLines < 1 then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   428
        begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   429
        s:= '...';
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   430
        numLines:= 1;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   431
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   432
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   433
    textWidth:=((w-(cornerWidth-edgeWidth)*2) div edgeWidth)*edgeWidth+edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   434
    textHeight:=(((numlines * h + 2)-((cornerHeight-edgeWidth)*2)) div edgeWidth)*edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   435
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   436
    textHeight:=max(textHeight,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   437
    //textWidth:=max(textWidth,SpritesData[tail].Width);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   438
    rect.x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   439
    rect.y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   440
    rect.w:= textWidth + (cornerWidth * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   441
    rect.h:= textHeight + cornerHeight*2 - edgeHeight + SpritesData[tail].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   442
    //s:= inttostr(w) + ' ' + inttostr(numlines) + ' ' + inttostr(rect.x) + ' '+inttostr(rect.y) + ' ' + inttostr(rect.w) + ' ' + inttostr(rect.h);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   443
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   444
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, rect.w, rect.h, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   445
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   446
    TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   447
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   448
    //////////////////////////////// CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   449
    copyToXY(SpritesData[corner].Surface, finalSurface, 0, 0); /////////////////// NW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   450
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   451
    flipSurface(SpritesData[corner].Surface, true); // store all 4 versions in memory to avoid repeated flips?
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   452
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   453
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   454
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   455
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   456
    flipSurface(SpritesData[corner].Surface, false);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   457
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   458
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   459
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   460
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   461
    flipSurface(SpritesData[corner].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   462
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   463
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   464
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// NE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   465
    flipSurface(SpritesData[corner].Surface, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   466
    //////////////////////////////// END CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   467
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   468
    //////////////////////////////// EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   469
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   470
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   471
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   472
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   473
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// top edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   474
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   475
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   476
    flipSurface(SpritesData[edge].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   477
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   478
    y:= textHeight + cornerHeight*2 - edgeHeight-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   479
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   480
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   481
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// bottom edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   482
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   483
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   484
    flipSurface(SpritesData[edge].Surface, true); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   485
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   486
    rotatedEdge:= SDL_CreateRGBSurface(SDL_SWSURFACE, edgeHeight, edgeWidth, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   487
    x:= rect.w - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   488
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   489
    //// initially was going to rotate in place, but the SDL spec claims width/height are read only
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   490
    copyRotatedSurface(SpritesData[edge].Surface,rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   491
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   492
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   493
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   494
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   495
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   496
    flipSurface(rotatedEdge, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   497
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   498
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   499
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   500
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   501
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   502
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   503
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   504
    //////////////////////////////// END EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   505
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   506
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   507
    y:= textHeight + cornerHeight * 2 - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   508
    copyToXY(SpritesData[tail].Surface, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   509
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   510
    rect.x:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   511
    rect.y:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   512
    rect.w:= rect.w - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   513
    rect.h:= textHeight + cornerHeight * 2 - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   514
    i:= rect.w;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   515
    j:= rect.h;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   516
    SDL_FillRect(finalSurface, @rect, cWhiteColor);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   517
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   518
    pos:= 1; line:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   519
    while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   520
        begin
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   521
        tmpsurf:= TTF_RenderUTF8_Blended(Fontz[Font].Handle, PChar(substr), cNearBlackColorChannels);
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   522
        rect.x:= edgeHeight + 1 + ((i - w) div 2);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   523
        // trying to more evenly position the text, vertically
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   524
        rect.y:= edgeHeight + ((j-(numLines*h)) div 2) + line * h;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   525
        SDLTry(tmpsurf <> nil, true);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   526
        SDL_UpperBlit(tmpsurf, nil, finalSurface, @rect);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   527
        SDL_FreeSurface(tmpsurf);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   528
        inc(line);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   529
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   530
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   531
    RenderSpeechBubbleTex:= Surface2Tex(finalSurface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   532
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   533
    SDL_FreeSurface(rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   534
    SDL_FreeSurface(finalSurface);
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 7546
diff changeset
   535
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   536
end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   537
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   538
end.