hedgewars/uRenderUtils.pas
author frd
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changeset 11681 8fca9fd31357
parent 11532 bf86c6cb9341
child 11821 d8844d4c67de
permissions -rw-r--r--
Use hwlibrary while converting to c
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 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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    if SDLCheck(tmpsurf <> nil, 'TTF_RenderUTF8_Blended', true) then
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        exit;
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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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    if checkFails(Surface^.format^.BytesPerPixel = 4, 'flipSurface failed, expecting 32 bit surface', true) then
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        exit;
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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(a0)) * 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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    checkFails(src^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    checkFails(dest^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    if not allOK then exit;
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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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   285
        RenderStringTexLim:= nil;
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   286
        end
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   287
    else
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   288
        begin
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   289
        if length(s) = 0 then s:= _S' ';
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   290
        font:= CheckCJKFont(s, font);
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   291
        w:= 0; h:= 0; // avoid compiler hints
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   292
        TTF_SizeUTF8(Fontz[font].Handle, PChar(s), @w, @h);
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   293
        if (maxLength > 0) and (w > maxLength) then w := maxLength;
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   294
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        finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, w + cFontBorder * 2 + 4, h + cFontBorder * 2,
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   296
                32, RMask, GMask, BMask, AMask);
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   297
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bf86c6cb9341 Bye-bye TryDo
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   298
        if checkFails(finalSurface <> nil, 'RenderString: fail to create surface', true) then
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   299
            exit(nil);
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   300
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   301
        WriteInRoundRect(finalSurface, 0, 0, Color, font, s, maxLength);
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   302
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        checkFails(SDL_SetColorKey(finalSurface, SDL_SRCCOLORKEY, 0) = 0, errmsgTransparentSet, false);
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   304
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        RenderStringTexLim:= Surface2Tex(finalSurface, false);
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   306
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   307
        SDL_FreeSurface(finalSurface);
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   308
        end;
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   309
end;
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   310
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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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   315
begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   316
    m:= Length(s);
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   317
10690
c3b73dc33294 grmlgrml
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   318
    substr:= '';
c3b73dc33294 grmlgrml
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   319
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   320
    SetLengthA(substr, m);
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   321
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   322
    // number of chars read
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   323
    r:= 0;
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   324
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   325
    // number of chars to be written
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   326
    l:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   327
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   328
    newl:= true;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   329
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   330
    for p:= max(1, startFrom) to m do
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   331
        begin
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   332
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2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   333
        inc(r);
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97f45f1374be change speechfix implementation (no "continue" anymore
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   334
        // read char from source string
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   335
        c:= s[p];
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   336
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   337
        // strip empty lines, spaces and newlines on beginnings of line
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   338
        skip:= ((newl or (p = m)) and ((c = ' ') or (c = ldelim)));
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   339
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   340
        if (not skip) then
97f45f1374be change speechfix implementation (no "continue" anymore
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   341
            begin
97f45f1374be change speechfix implementation (no "continue" anymore
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   342
            newl:= (c = ldelim);
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   343
            // stop if we went past the end of the line
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   344
            if newl then
97f45f1374be change speechfix implementation (no "continue" anymore
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   345
                break;
10687
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   346
10691
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   347
            // copy current char to output substring
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   348
            inc(l);
97f45f1374be change speechfix implementation (no "continue" anymore
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   349
            substr[l]:= c;
97f45f1374be change speechfix implementation (no "continue" anymore
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   350
            end;
97f45f1374be change speechfix implementation (no "continue" anymore
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   351
10687
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   352
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   353
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   354
    inc(startFrom, r);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   355
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   356
    SetLengthA(substr, l);
10687
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   357
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   358
    GetNextSpeechLine:= (l > 0);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   359
end;
4380
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   360
b78638b36b89 Introduce uRenderUtils
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   361
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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diff changeset
   362
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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   363
    finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
b78638b36b89 Introduce uRenderUtils
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diff changeset
   364
    rect: TSDL_Rect;
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   365
    {$IFNDEF PAS2C}
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   366
    chars: set of char = [#9,' ',';',':','?','!',','];
10127
7f29a65aa1e4 It compiles \o/
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   367
    {$ENDIF}
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
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   368
    substr: ansistring;
4380
b78638b36b89 Introduce uRenderUtils
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   369
    edge, corner, tail: TSPrite;
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   370
begin
10139
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   371
    if cOnlyStats then exit(nil);
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   372
4380
b78638b36b89 Introduce uRenderUtils
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diff changeset
   373
    case SpeechType of
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   374
        1: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
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diff changeset
   375
            edge:= sprSpeechEdge;
9046f69dae4c In stats-only mode:
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   376
            corner:= sprSpeechCorner;
9046f69dae4c In stats-only mode:
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diff changeset
   377
            tail:= sprSpeechTail;
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   378
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   379
        2: begin
10139
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   380
            edge:= sprThoughtEdge;
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   381
            corner:= sprThoughtCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   382
            tail:= sprThoughtTail;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   383
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   384
        3: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   385
            edge:= sprShoutEdge;
9046f69dae4c In stats-only mode:
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parents: 10127
diff changeset
   386
            corner:= sprShoutCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   387
            tail:= sprShoutTail;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   388
            end
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   389
        else
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   390
            exit(nil)
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   391
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   392
    edgeHeight:= SpritesData[edge].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   393
    edgeWidth:= SpritesData[edge].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   394
    cornerWidth:= SpritesData[corner].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   395
    cornerHeight:= SpritesData[corner].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   396
    // This one screws up WrapText
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   397
    //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
   398
    // This one does not
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   399
    //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
   400
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   401
    numLines:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   402
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   403
    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
   404
        s:= '...';
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   405
    font:= CheckCJKFont(s, font);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   406
    w:= 0; h:= 0; // avoid compiler hints
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   407
    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
   408
    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
   409
        w:= 8;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   410
    j:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   411
    if (length(s) > 20) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   412
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   413
        w:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   414
        i:= round(Sqrt(length(s)) * 2);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   415
        {$IFNDEF PAS2C}
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   416
        s:= WrapText(s, #1, chars, i);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   417
        {$ENDIF}
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   418
        pos:= 1; line:= 0;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   419
    // 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
   420
        while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   421
            begin
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   422
            inc(numLines);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   423
            i:= 0; j:= 0;
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   424
            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
   425
            if i > w then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   426
                w:= i;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   427
            end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   428
        end
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   429
    else numLines := 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   430
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   431
    if numLines < 1 then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   432
        begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   433
        s:= '...';
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   434
        numLines:= 1;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   435
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   436
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   437
    textWidth:=((w-(cornerWidth-edgeWidth)*2) div edgeWidth)*edgeWidth+edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   438
    textHeight:=(((numlines * h + 2)-((cornerHeight-edgeWidth)*2)) div edgeWidth)*edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   439
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   440
    textHeight:=max(textHeight,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   441
    //textWidth:=max(textWidth,SpritesData[tail].Width);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   442
    rect.x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   443
    rect.y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   444
    rect.w:= textWidth + (cornerWidth * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   445
    rect.h:= textHeight + cornerHeight*2 - edgeHeight + SpritesData[tail].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   446
    //s:= inttostr(w) + ' ' + inttostr(numlines) + ' ' + inttostr(rect.x) + ' '+inttostr(rect.y) + ' ' + inttostr(rect.w) + ' ' + inttostr(rect.h);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   447
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   448
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, rect.w, rect.h, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   449
11532
bf86c6cb9341 Bye-bye TryDo
unc0rr
parents: 11507
diff changeset
   450
    if checkFails(finalSurface <> nil, 'RenderString: fail to create surface', true) then
bf86c6cb9341 Bye-bye TryDo
unc0rr
parents: 11507
diff changeset
   451
        exit(nil);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   452
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   453
    //////////////////////////////// CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   454
    copyToXY(SpritesData[corner].Surface, finalSurface, 0, 0); /////////////////// NW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   455
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   456
    flipSurface(SpritesData[corner].Surface, true); // store all 4 versions in memory to avoid repeated flips?
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   457
    x:= 0;
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); /////////////////// SW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   460
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   461
    flipSurface(SpritesData[corner].Surface, false);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   462
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   463
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   464
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   465
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   466
    flipSurface(SpritesData[corner].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   467
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   468
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   469
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// NE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   470
    flipSurface(SpritesData[corner].Surface, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   471
    //////////////////////////////// END CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   472
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   473
    //////////////////////////////// EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   474
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   475
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   476
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   477
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   478
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// top edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   479
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   480
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   481
    flipSurface(SpritesData[edge].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   482
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   483
    y:= textHeight + cornerHeight*2 - edgeHeight-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   484
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   485
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   486
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// bottom edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   487
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   488
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   489
    flipSurface(SpritesData[edge].Surface, true); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   490
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   491
    rotatedEdge:= SDL_CreateRGBSurface(SDL_SWSURFACE, edgeHeight, edgeWidth, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   492
    x:= rect.w - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   493
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   494
    //// initially was going to rotate in place, but the SDL spec claims width/height are read only
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   495
    copyRotatedSurface(SpritesData[edge].Surface,rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   496
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   497
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   498
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   499
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   500
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   501
    flipSurface(rotatedEdge, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   502
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   503
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   504
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   505
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   506
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   507
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   508
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   509
    //////////////////////////////// END EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   510
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   511
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   512
    y:= textHeight + cornerHeight * 2 - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   513
    copyToXY(SpritesData[tail].Surface, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   514
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   515
    rect.x:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   516
    rect.y:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   517
    rect.w:= rect.w - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   518
    rect.h:= textHeight + cornerHeight * 2 - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   519
    i:= rect.w;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   520
    j:= rect.h;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   521
    SDL_FillRect(finalSurface, @rect, cWhiteColor);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   522
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   523
    pos:= 1; line:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   524
    while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   525
        begin
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   526
        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
   527
        rect.x:= edgeHeight + 1 + ((i - w) div 2);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   528
        // trying to more evenly position the text, vertically
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   529
        rect.y:= edgeHeight + ((j-(numLines*h)) div 2) + line * h;
11507
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11362
diff changeset
   530
        if not SDLCheck(tmpsurf <> nil, 'TTF_RenderUTF8_Blended', true) then
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11362
diff changeset
   531
        begin
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11362
diff changeset
   532
            SDL_UpperBlit(tmpsurf, nil, finalSurface, @rect);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11362
diff changeset
   533
            SDL_FreeSurface(tmpsurf);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11362
diff changeset
   534
        end;
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   535
        inc(line);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   536
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   537
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   538
    RenderSpeechBubbleTex:= Surface2Tex(finalSurface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   539
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   540
    SDL_FreeSurface(rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   541
    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
   542
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   543
end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   544
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   545
end.