hedgewars/uRenderUtils.pas
author unc0rr
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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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    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(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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    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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    else
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        begin
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        if length(s) = 0 then s:= _S' ';
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        font:= CheckCJKFont(s, font);
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        w:= 0; h:= 0; // avoid compiler hints
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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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        finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, w + cFontBorder * 2 + 4, h + cFontBorder * 2,
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                32, RMask, GMask, BMask, AMask);
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        TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
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        WriteInRoundRect(finalSurface, 0, 0, Color, font, s, maxLength);
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        TryDo(SDL_SetColorKey(finalSurface, SDL_SRCCOLORKEY, 0) = 0, errmsgTransparentSet, true);
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        RenderStringTexLim:= Surface2Tex(finalSurface, false);
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   303
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        SDL_FreeSurface(finalSurface);
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   305
        end;
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end;
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   307
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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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begin
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    m:= Length(s);
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   314
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    substr:= '';
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   316
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    SetLengthA(substr, m);
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    // number of chars read
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    r:= 0;
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    // number of chars to be written
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    l:= 0;
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   324
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   325
    newl:= true;
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   326
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   327
    for p:= max(1, startFrom) to m do
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   328
        begin
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   329
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        inc(r);
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        // read char from source string
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        c:= s[p];
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   333
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   334
        // strip empty lines, spaces and newlines on beginnings of line
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   335
        skip:= ((newl or (p = m)) and ((c = ' ') or (c = ldelim)));
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   336
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   337
        if (not skip) then
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   338
            begin
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   339
            newl:= (c = ldelim);
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   340
            // stop if we went past the end of the line
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   341
            if newl then
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   342
                break;
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   343
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   344
            // copy current char to output substring
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   345
            inc(l);
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   346
            substr[l]:= c;
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   347
            end;
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   348
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   349
        end;
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   350
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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    inc(startFrom, r);
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   352
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   353
    SetLengthA(substr, l);
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   354
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   355
    GetNextSpeechLine:= (l > 0);
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   356
end;
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   357
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   358
function RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
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2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   359
var textWidth, textHeight, x, y, w, h, i, j, pos, line, numLines, edgeWidth, edgeHeight, cornerWidth, cornerHeight: LongInt;
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   360
    finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
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   361
    rect: TSDL_Rect;
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   362
    {$IFNDEF PAS2C}
4611
445d382cd401 A very very basic snow implementation
nemo
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   363
    chars: set of char = [#9,' ',';',':','?','!',','];
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   364
    {$ENDIF}
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   365
    substr: ansistring;
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   366
    edge, corner, tail: TSPrite;
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   367
begin
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   368
    if cOnlyStats then exit(nil);
9046f69dae4c In stats-only mode:
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   369
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   370
    case SpeechType of
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
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   371
        1: begin
10139
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   372
            edge:= sprSpeechEdge;
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   373
            corner:= sprSpeechCorner;
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   374
            tail:= sprSpeechTail;
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   375
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
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   376
        2: begin
10139
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   377
            edge:= sprThoughtEdge;
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   378
            corner:= sprThoughtCorner;
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   379
            tail:= sprThoughtTail;
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   380
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
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diff changeset
   381
        3: begin
10139
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   382
            edge:= sprShoutEdge;
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   383
            corner:= sprShoutCorner;
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   384
            tail:= sprShoutTail;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   385
            end
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   386
        else
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   387
            exit(nil)
4380
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parents:
diff changeset
   388
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   389
    edgeHeight:= SpritesData[edge].Height;
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   390
    edgeWidth:= SpritesData[edge].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   391
    cornerWidth:= SpritesData[corner].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   392
    cornerHeight:= SpritesData[corner].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   393
    // This one screws up WrapText
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   394
    //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
   395
    // This one does not
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   396
    //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
   397
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   398
    numLines:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   399
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   400
    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
   401
        s:= '...';
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   402
    font:= CheckCJKFont(s, font);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   403
    w:= 0; h:= 0; // avoid compiler hints
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   404
    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
   405
    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
   406
        w:= 8;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   407
    j:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   408
    if (length(s) > 20) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   409
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   410
        w:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   411
        i:= round(Sqrt(length(s)) * 2);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   412
        {$IFNDEF PAS2C}
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   413
        s:= WrapText(s, #1, chars, i);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   414
        {$ENDIF}
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   415
        pos:= 1; line:= 0;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   416
    // 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
   417
        while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   418
            begin
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   419
            inc(numLines);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   420
            i:= 0; j:= 0;
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   421
            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
   422
            if i > w then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   423
                w:= i;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   424
            end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   425
        end
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   426
    else numLines := 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   427
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   428
    if numLines < 1 then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   429
        begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   430
        s:= '...';
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   431
        numLines:= 1;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   432
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   433
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   434
    textWidth:=((w-(cornerWidth-edgeWidth)*2) div edgeWidth)*edgeWidth+edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   435
    textHeight:=(((numlines * h + 2)-((cornerHeight-edgeWidth)*2)) div edgeWidth)*edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   436
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   437
    textHeight:=max(textHeight,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   438
    //textWidth:=max(textWidth,SpritesData[tail].Width);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   439
    rect.x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   440
    rect.y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   441
    rect.w:= textWidth + (cornerWidth * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   442
    rect.h:= textHeight + cornerHeight*2 - edgeHeight + SpritesData[tail].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   443
    //s:= inttostr(w) + ' ' + inttostr(numlines) + ' ' + inttostr(rect.x) + ' '+inttostr(rect.y) + ' ' + inttostr(rect.w) + ' ' + inttostr(rect.h);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   444
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   445
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, rect.w, rect.h, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   446
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   447
    TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   448
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   449
    //////////////////////////////// CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   450
    copyToXY(SpritesData[corner].Surface, finalSurface, 0, 0); /////////////////// NW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   451
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   452
    flipSurface(SpritesData[corner].Surface, true); // store all 4 versions in memory to avoid repeated flips?
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   453
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   454
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   455
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   456
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   457
    flipSurface(SpritesData[corner].Surface, false);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   458
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   459
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   460
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   461
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   462
    flipSurface(SpritesData[corner].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   463
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   464
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   465
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// NE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   466
    flipSurface(SpritesData[corner].Surface, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   467
    //////////////////////////////// END CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   468
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   469
    //////////////////////////////// EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   470
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   471
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   472
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   473
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   474
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// top edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   475
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   476
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   477
    flipSurface(SpritesData[edge].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   478
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   479
    y:= textHeight + cornerHeight*2 - edgeHeight-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   480
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   481
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   482
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// bottom edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   483
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   484
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   485
    flipSurface(SpritesData[edge].Surface, true); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   486
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   487
    rotatedEdge:= SDL_CreateRGBSurface(SDL_SWSURFACE, edgeHeight, edgeWidth, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   488
    x:= rect.w - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   489
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   490
    //// initially was going to rotate in place, but the SDL spec claims width/height are read only
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   491
    copyRotatedSurface(SpritesData[edge].Surface,rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   492
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   493
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   494
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   495
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   496
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   497
    flipSurface(rotatedEdge, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   498
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   499
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   500
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   501
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   502
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   503
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   504
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   505
    //////////////////////////////// END EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   506
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   507
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   508
    y:= textHeight + cornerHeight * 2 - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   509
    copyToXY(SpritesData[tail].Surface, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   510
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   511
    rect.x:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   512
    rect.y:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   513
    rect.w:= rect.w - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   514
    rect.h:= textHeight + cornerHeight * 2 - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   515
    i:= rect.w;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   516
    j:= rect.h;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   517
    SDL_FillRect(finalSurface, @rect, cWhiteColor);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   518
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   519
    pos:= 1; line:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   520
    while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   521
        begin
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   522
        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
   523
        rect.x:= edgeHeight + 1 + ((i - w) div 2);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   524
        // trying to more evenly position the text, vertically
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   525
        rect.y:= edgeHeight + ((j-(numLines*h)) div 2) + line * h;
11512
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   526
        if not SDLCheck(tmpsurf <> nil, 'TTF_RenderUTF8_Blended', true) then
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   527
        begin
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   528
            SDL_UpperBlit(tmpsurf, nil, finalSurface, @rect);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   529
            SDL_FreeSurface(tmpsurf);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   530
        end;
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   531
        inc(line);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   532
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   533
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   534
    RenderSpeechBubbleTex:= Surface2Tex(finalSurface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   535
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   536
    SDL_FreeSurface(rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   537
    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
   538
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   539
end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   540
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   541
end.