hedgewars/uRenderUtils.pas
author unc0rr
Sat, 08 Feb 2014 16:29:34 +0400
changeset 10123 64e72781d344
parent 10116 dd27562b6f21
child 10127 7f29a65aa1e4
permissions -rw-r--r--
Implicit type casts to help pas2c
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2014 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *)
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{$INCLUDE "options.inc"}
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unit uRenderUtils;
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interface
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uses SDLh, uTypes;
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procedure flipSurface(Surface: PSDL_Surface; Vertical: Boolean);
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procedure copyRotatedSurface(src, dest: PSDL_Surface); // this is necessary since width/height are read only in SDL
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procedure copyToXY(src, dest: PSDL_Surface; destX, destY: LongInt); inline;
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procedure copyToXYFromRect(src, dest: PSDL_Surface; srcX, srcY, srcW, srcH, destX, destY: LongInt);
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procedure DrawSprite2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt); inline;
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procedure DrawSpriteFrame2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt; frame: LongInt);
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procedure DrawLine2Surf(dest: PSDL_Surface; x0,y0,x1,y1:LongInt; r,g,b: byte);
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procedure DrawRoundRect(rect: PSDL_Rect; BorderColor, FillColor: Longword; Surface: PSDL_Surface; Clear: boolean);
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function  RenderStringTex(s: ansistring; Color: Longword; font: THWFont): PTexture;
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function  RenderStringTexLim(s: ansistring; Color: Longword; font: THWFont; maxLength: LongWord): PTexture;
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function  RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
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implementation
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uses uUtils, uVariables, uConsts, uTextures, SysUtils, uDebug;
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procedure DrawRoundRect(rect: PSDL_Rect; BorderColor, FillColor: Longword; Surface: PSDL_Surface; Clear: boolean);
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var r: TSDL_Rect;
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begin
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    r:= rect^;
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    if Clear then
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        SDL_FillRect(Surface, @r, 0);
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    BorderColor:= SDL_MapRGB(Surface^.format, BorderColor shr 16, BorderColor shr 8, BorderColor and $FF);
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    FillColor:= SDL_MapRGB(Surface^.format, FillColor shr 16, FillColor shr 8, FillColor and $FF);
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    r.y:= rect^.y + 1;
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    r.h:= rect^.h - 2;
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    SDL_FillRect(Surface, @r, BorderColor);
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    r.x:= rect^.x + 1;
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    r.w:= rect^.w - 2;
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    r.y:= rect^.y;
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    r.h:= rect^.h;
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    SDL_FillRect(Surface, @r, BorderColor);
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    r.x:= rect^.x + 2;
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    r.y:= rect^.y + 1;
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    r.w:= rect^.w - 4;
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    r.h:= rect^.h - 2;
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    SDL_FillRect(Surface, @r, FillColor);
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    r.x:= rect^.x + 1;
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    r.y:= rect^.y + 2;
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    r.w:= rect^.w - 2;
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    r.h:= rect^.h - 4;
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    SDL_FillRect(Surface, @r, FillColor);
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end;
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(*
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function WriteInRoundRect(Surface: PSDL_Surface; X, Y: LongInt; Color: LongWord; Font: THWFont; s: ansistring): TSDL_Rect;
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begin
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    WriteInRoundRect:= WriteInRoundRect(Surface, X, Y, Color, Font, s, 0);
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end;*)
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function WriteInRoundRect(Surface: PSDL_Surface; X, Y: LongInt; Color: LongWord; Font: THWFont; s: ansistring; maxLength: LongWord): TSDL_Rect;
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var w, h: LongInt;
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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, Str2PChar(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, Str2PChar(s), clr);
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    finalRect.x:= X + cFontBorder + 2;
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    finalRect.y:= Y + cFontBorder;
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    SDLTry(tmpsurf <> nil, true);
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    SDL_UpperBlit(tmpsurf, @textRect, Surface, @finalRect);
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    SDL_FreeSurface(tmpsurf);
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    finalRect.x:= X;
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    finalRect.y:= Y;
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    finalRect.w:= w + cFontBorder * 2 + 4;
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    finalRect.h:= h + cFontBorder * 2;
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    WriteInRoundRect:= finalRect;
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end;
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procedure flipSurface(Surface: PSDL_Surface; Vertical: Boolean);
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var y, x, i, j: LongInt;
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    tmpPixel: Longword;
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    pixels: PLongWordArray;
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begin
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    TryDo(Surface^.format^.BytesPerPixel = 4, 'flipSurface failed, expecting 32 bit surface', true);
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    SDL_LockSurface(Surface);
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    pixels:= Surface^.pixels;
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    if Vertical then
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    for y := 0 to (Surface^.h div 2) - 1 do
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        for x := 0 to Surface^.w - 1 do
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            begin
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            i:= y * Surface^.w + x;
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            j:= (Surface^.h - y - 1) * Surface^.w + x;
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end
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    else
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    for x := 0 to (Surface^.w div 2) - 1 do
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        for y := 0 to Surface^.h -1 do
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            begin
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            i:= y*Surface^.w + x;
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            j:= y*Surface^.w + (Surface^.w - x - 1);
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end;
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    SDL_UnlockSurface(Surface);
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end;
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procedure copyToXY(src, dest: PSDL_Surface; destX, destY: LongInt); inline;
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begin
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    copyToXYFromRect(src, dest, 0, 0, src^.w, src^.h, destX, destY);
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end;
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procedure copyToXYFromRect(src, dest: PSDL_Surface; srcX, srcY, srcW, srcH, destX, destY: LongInt);
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var i, j, maxDest, maxSrc, iX, iY: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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    r0, g0, b0, a0, r1, g1, b1, a1: Byte;
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begin
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    maxDest:= (dest^.pitch div 4) * dest^.h;
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    maxSrc:= (src^.pitch div 4) * src^.h;
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    SDL_LockSurface(src);
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    SDL_LockSurface(dest);
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    srcPixels:= src^.pixels;
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    destPixels:= dest^.pixels;
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    for iX:= 0 to srcW - 1 do
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    for iY:= 0 to srcH - 1 do
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        begin
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        i:= (destY + iY) * (dest^.pitch div 4) + (destX + iX);
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        j:= (srcY  + iY) * (src^.pitch  div 4) + (srcX  + iX);
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        if (i < maxDest) and (j < maxSrc) and (srcPixels^[j] and AMask <> 0) then
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            begin
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            SDL_GetRGBA(destPixels^[i], dest^.format, @r0, @g0, @b0, @a0);
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            SDL_GetRGBA(srcPixels^[j], src^.format, @r1, @g1, @b1, @a1);
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            r0:= (r0 * (255 - LongInt(a1)) + r1 * LongInt(a1)) div 255;
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            g0:= (g0 * (255 - LongInt(a1)) + g1 * LongInt(a1)) div 255;
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            b0:= (b0 * (255 - LongInt(a1)) + b1 * LongInt(a1)) div 255;
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            a0:= (a0 * (255 - LongInt(a1)) + a1 * LongInt(a1)) div 255;
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            destPixels^[i]:= SDL_MapRGBA(dest^.format, r0, g0, b0, a0);
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            end;
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        end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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procedure DrawSprite2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt); inline;
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begin
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    DrawSpriteFrame2Surf(sprite, dest, x, y, 0);
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end;
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procedure DrawSpriteFrame2Surf(sprite: TSprite; dest: PSDL_Surface; x,y,frame: LongInt);
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var numFramesFirstCol, row, col: LongInt;
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begin
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    numFramesFirstCol:= SpritesData[sprite].imageHeight div SpritesData[sprite].Height;
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    row:= Frame mod numFramesFirstCol;
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    col:= Frame div numFramesFirstCol;
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    copyToXYFromRect(SpritesData[sprite].Surface, dest,
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             col*SpritesData[sprite].Width,
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             row*SpritesData[sprite].Height,
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             SpritesData[sprite].Width,
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             spritesData[sprite].Height,
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             x,y);
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end;
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procedure DrawLine2Surf(dest: PSDL_Surface; x0, y0,x1,y1: LongInt; r,g,b: byte);
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var
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    dx,dy,err,e2,sx,sy: LongInt;
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    yMax: LongInt;
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    destPixels: PLongwordArray;
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begin
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    //max:= (dest^.pitch div 4) * dest^.h;
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    yMax:= dest^.pitch div 4;
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    SDL_LockSurface(dest);
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    destPixels:= dest^.pixels;
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    dx:= abs(x1-x0);
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    dy:= abs(y1-y0);
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    if x0 < x1 then sx:= 1 else sx:= -1;
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    if y0 < y1 then sy:= 1 else sy:= -1;
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    err:= dx-dy;
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    while(true) do
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        begin
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        destPixels^[(y0 * yMax) + x0]:= SDL_MapRGB(dest^.format, r,g,b); //But will it blend? no
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        if (x0 = x1) and (y0 = y1) then break;
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        e2:= 2*err;
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        if e2 > -dy then
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            begin
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            err:= err - dy;
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            x0 := x0 + sx;
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            end;
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        if e2 < dx then
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            begin
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            err:= err + dx;
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            y0:=y0+sy
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            end;
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        end;
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    SDL_UnlockSurface(dest);
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end;
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procedure copyRotatedSurface(src, dest: PSDL_Surface); // this is necessary since width/height are read only in SDL, apparently
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var y, x, i, j: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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begin
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    TryDo(src^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    TryDo(dest^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    SDL_LockSurface(src);
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    SDL_LockSurface(dest);
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    srcPixels:= src^.pixels;
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    destPixels:= dest^.pixels;
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    j:= 0;
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    for x := 0 to src^.w - 1 do
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        for y := 0 to src^.h - 1 do
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            begin
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            i:= (src^.h - 1 - y) * (src^.pitch div 4) + x;
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            destPixels^[j]:= srcPixels^[i];
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            inc(j)
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            end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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function RenderStringTex(s: ansistring; Color: Longword; font: THWFont): PTexture;
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begin
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    RenderStringTex:= RenderStringTexLim(s, Color, font, 0);
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end;
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function RenderStringTexLim(s: ansistring; Color: Longword; font: THWFont; maxLength: LongWord): PTexture;
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var w, h: LongInt;
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    finalSurface: PSDL_Surface;
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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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   282
    w:= 0; h:= 0; // avoid compiler hints
10116
dd27562b6f21 rolling back my PChar stuff, because unC0Rr improves string handling pas2c instead <3
sheepluva
parents: 10108
diff changeset
   283
    TTF_SizeUTF8(Fontz[font].Handle, Str2PChar(s), @w, @h);
6749
6bb0cea803bd Clamp name/team name textures to avoid long team / hog name abuse. Limit width in px instead of chars to avoid unicode issues.
nemo
parents: 6700
diff changeset
   284
    if (maxLength <> 0) and (w > maxLength) then w := maxLength;
4380
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parents:
diff changeset
   285
6982
8d41d22a291d breaking news, we don't support typed consts anymore
koda
parents: 6750
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   286
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, w + cFontBorder * 2 + 4, h + cFontBorder * 2,
4380
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parents:
diff changeset
   287
            32, RMask, GMask, BMask, AMask);
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parents:
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   288
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   289
    TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
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parents:
diff changeset
   290
6749
6bb0cea803bd Clamp name/team name textures to avoid long team / hog name abuse. Limit width in px instead of chars to avoid unicode issues.
nemo
parents: 6700
diff changeset
   291
    WriteInRoundRect(finalSurface, 0, 0, Color, font, s, maxLength);
4380
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   292
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parents:
diff changeset
   293
    TryDo(SDL_SetColorKey(finalSurface, SDL_SRCCOLORKEY, 0) = 0, errmsgTransparentSet, true);
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parents:
diff changeset
   294
7013
54db061b5710 Get rid of overloaded functions in uRenderUtils
unc0rr
parents: 6992
diff changeset
   295
    RenderStringTexLim:= Surface2Tex(finalSurface, false);
4380
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parents:
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   296
b78638b36b89 Introduce uRenderUtils
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parents:
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   297
    SDL_FreeSurface(finalSurface);
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parents:
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   298
end;
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parents:
diff changeset
   299
b78638b36b89 Introduce uRenderUtils
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   300
b78638b36b89 Introduce uRenderUtils
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parents:
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   301
function RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
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parents:
diff changeset
   302
var textWidth, textHeight, x, y, w, h, i, j, pos, prevpos, line, numLines, edgeWidth, edgeHeight, cornerWidth, cornerHeight: LongInt;
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parents:
diff changeset
   303
    finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
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   304
    rect: TSDL_Rect;
10040
koda
parents: 10015
diff changeset
   305
    chars: set of char = [#9,' ',';',':','?','!',','];
4380
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parents:
diff changeset
   306
    substr: shortstring;
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parents:
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   307
    edge, corner, tail: TSPrite;
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   308
begin
8026
4a4f21070479 merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
koda
parents: 7546
diff changeset
   309
      case SpeechType of
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   310
        1: begin;
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   311
        edge:= sprSpeechEdge;
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   312
        corner:= sprSpeechCorner;
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   313
        tail:= sprSpeechTail;
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   314
        end;
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   315
        2: begin;
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   316
        edge:= sprThoughtEdge;
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   317
        corner:= sprThoughtCorner;
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   318
        tail:= sprThoughtTail;
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   319
        end;
b78638b36b89 Introduce uRenderUtils
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   320
        3: begin;
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parents:
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   321
        edge:= sprShoutEdge;
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   322
        corner:= sprShoutCorner;
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unC0Rr
parents:
diff changeset
   323
        tail:= sprShoutTail;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   324
        end;
b78638b36b89 Introduce uRenderUtils
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parents:
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   325
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   326
    edgeHeight:= SpritesData[edge].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   327
    edgeWidth:= SpritesData[edge].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   328
    cornerWidth:= SpritesData[corner].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   329
    cornerHeight:= SpritesData[corner].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   330
    // This one screws up WrapText
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unC0Rr
parents:
diff changeset
   331
    //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...';
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unC0Rr
parents:
diff changeset
   332
    // This one does not
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unC0Rr
parents:
diff changeset
   333
    //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
   334
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   335
    numLines:= 0;
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unC0Rr
parents:
diff changeset
   336
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   337
    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
   338
        s:= '...';
10116
dd27562b6f21 rolling back my PChar stuff, because unC0Rr improves string handling pas2c instead <3
sheepluva
parents: 10108
diff changeset
   339
    font:= CheckCJKFont(s, font);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   340
    w:= 0; h:= 0; // avoid compiler hints
6286
835392304f81 and while we are giving SDLh.pas all this love, let's fix the signature of one SDL_ttf calls
koda
parents: 4976
diff changeset
   341
    TTF_SizeUTF8(Fontz[font].Handle, Str2PChar(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
   342
    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
   343
        w:= 8;
4380
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unC0Rr
parents:
diff changeset
   344
    j:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   345
    if (length(s) > 20) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   346
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   347
        w:= 0;
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unC0Rr
parents:
diff changeset
   348
        i:= round(Sqrt(length(s)) * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   349
        s:= WrapText(s, #1, chars, i);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   350
        pos:= 1; prevpos:= 0; line:= 0;
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unC0Rr
parents:
diff changeset
   351
    // Find the longest line for the purposes of centring the text.  Font dependant.
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unC0Rr
parents:
diff changeset
   352
        while pos <= length(s) do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   353
            begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   354
            if (s[pos] = #1) or (pos = length(s)) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   355
                begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   356
                inc(numlines);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   357
                if s[pos] <> #1 then inc(pos);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   358
                while s[prevpos+1] = ' ' do inc(prevpos);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   359
                substr:= copy(s, prevpos+1, pos-prevpos-1);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   360
                i:= 0; j:= 0;
6286
835392304f81 and while we are giving SDLh.pas all this love, let's fix the signature of one SDL_ttf calls
koda
parents: 4976
diff changeset
   361
                TTF_SizeUTF8(Fontz[font].Handle, Str2PChar(substr), @i, @j);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   362
                if i > w then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   363
                    w:= i;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   364
                prevpos:= pos;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   365
                end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   366
            inc(pos);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   367
            end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   368
        end
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   369
    else numLines := 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   370
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   371
    textWidth:=((w-(cornerWidth-edgeWidth)*2) div edgeWidth)*edgeWidth+edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   372
    textHeight:=(((numlines * h + 2)-((cornerHeight-edgeWidth)*2)) div edgeWidth)*edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   373
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   374
    textHeight:=max(textHeight,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   375
    //textWidth:=max(textWidth,SpritesData[tail].Width);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   376
    rect.x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   377
    rect.y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   378
    rect.w:= textWidth + (cornerWidth * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   379
    rect.h:= textHeight + cornerHeight*2 - edgeHeight + SpritesData[tail].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   380
    //s:= inttostr(w) + ' ' + inttostr(numlines) + ' ' + inttostr(rect.x) + ' '+inttostr(rect.y) + ' ' + inttostr(rect.w) + ' ' + inttostr(rect.h);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   381
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   382
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, rect.w, rect.h, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   383
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   384
    TryDo(finalSurface <> nil, 'RenderString: fail to create surface', true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   385
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   386
    //////////////////////////////// CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   387
    copyToXY(SpritesData[corner].Surface, finalSurface, 0, 0); /////////////////// NW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   388
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   389
    flipSurface(SpritesData[corner].Surface, true); // store all 4 versions in memory to avoid repeated flips?
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   390
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   391
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   392
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   393
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   394
    flipSurface(SpritesData[corner].Surface, false);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   395
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   396
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   397
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   398
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   399
    flipSurface(SpritesData[corner].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   400
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   401
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   402
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// NE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   403
    flipSurface(SpritesData[corner].Surface, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   404
    //////////////////////////////// END CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   405
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   406
    //////////////////////////////// EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   407
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   408
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   409
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   410
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   411
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// top edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   412
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   413
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   414
    flipSurface(SpritesData[edge].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   415
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   416
    y:= textHeight + cornerHeight*2 - edgeHeight-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   417
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   418
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   419
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// bottom edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   420
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   421
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   422
    flipSurface(SpritesData[edge].Surface, true); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   423
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   424
    rotatedEdge:= SDL_CreateRGBSurface(SDL_SWSURFACE, edgeHeight, edgeWidth, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   425
    x:= rect.w - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   426
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   427
    //// initially was going to rotate in place, but the SDL spec claims width/height are read only
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   428
    copyRotatedSurface(SpritesData[edge].Surface,rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   429
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   430
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   431
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   432
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   433
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   434
    flipSurface(rotatedEdge, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   435
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   436
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   437
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   438
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   439
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   440
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   441
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   442
    //////////////////////////////// END EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   443
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   444
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   445
    y:= textHeight + cornerHeight * 2 - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   446
    copyToXY(SpritesData[tail].Surface, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   447
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   448
    rect.x:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   449
    rect.y:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   450
    rect.w:= rect.w - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   451
    rect.h:= textHeight + cornerHeight * 2 - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   452
    i:= rect.w;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   453
    j:= rect.h;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   454
    SDL_FillRect(finalSurface, @rect, cWhiteColor);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   455
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   456
    pos:= 1; prevpos:= 0; line:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   457
    while pos <= length(s) do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   458
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   459
        if (s[pos] = #1) or (pos = length(s)) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   460
            begin
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   461
            if s[pos] <> #1 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   462
                inc(pos);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   463
            while s[prevpos+1] = ' 'do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   464
                inc(prevpos);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   465
            substr:= copy(s, prevpos+1, pos-prevpos-1);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   466
            if Length(substr) <> 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   467
                begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   468
                tmpsurf:= TTF_RenderUTF8_Blended(Fontz[Font].Handle, Str2PChar(substr), cNearBlackColorChannels);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   469
                rect.x:= edgeHeight + 1 + ((i - w) div 2);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   470
                // trying to more evenly position the text, vertically
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   471
                rect.y:= edgeHeight + ((j-(numLines*h)) div 2) + line * h;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   472
                SDLTry(tmpsurf <> nil, true);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   473
                SDL_UpperBlit(tmpsurf, nil, finalSurface, @rect);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   474
                SDL_FreeSurface(tmpsurf);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   475
                inc(line);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   476
                prevpos:= pos;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   477
                end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   478
                end;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   479
        inc(pos);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   480
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   481
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   482
    RenderSpeechBubbleTex:= Surface2Tex(finalSurface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   483
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   484
    SDL_FreeSurface(rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   485
    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
   486
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   487
end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   488
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   489
end.