hedgewars/uRenderUtils.pas
author sheepluva
Sun, 04 Dec 2016 01:07:36 +0100
changeset 12106 2e70ef81e281
parent 12104 c1d83fc8e894
child 12107 51596d30a724
permissions -rw-r--r--
copyToXYFromRect: simplify my math (so that it actually, you know, works...)
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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 uVariables, uConsts, uTextures, SysUtils, uUtils, 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 + cFontBorder div 2;
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    r.h:= rect^.h - cFontBorder;
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    SDL_FillRect(Surface, @r, BorderColor);
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    r.x:= rect^.x + cFontBorder div 2;
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    r.w:= rect^.w - cFontBorder;
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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 + cFontBorder;
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    r.y:= rect^.y + cFontBorder div 2;
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    r.w:= rect^.w - cFontBorder * 2;
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    r.h:= rect^.h - cFontBorder;
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    SDL_FillRect(Surface, @r, FillColor);
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    r.x:= rect^.x + cFontBorder div 2;
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    r.y:= rect^.y + cFontBorder;
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    r.w:= rect^.w - cFontBorder;
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    r.h:= rect^.h - cFontBorder * 2;
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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 * HDPIScaleFactor) then w := maxLength * HDPIScaleFactor;
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    finalRect.x:= X;
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    finalRect.y:= Y;
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    finalRect.w:= w + cFontBorder * 2 + cFontPadding * 2;
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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 + cFontPadding;
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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 + cFontPadding * 2;
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    finalRect.h:= h + cFontBorder * 2;
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    WriteInRoundRect:= finalRect;
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end;
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procedure flipSurface(Surface: PSDL_Surface; Vertical: Boolean);
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var y, x, i, j: LongInt;
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    tmpPixel: Longword;
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    pixels: PLongWordArray;
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begin
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    if checkFails(Surface^.format^.BytesPerPixel = 4, 'flipSurface failed, expecting 32 bit surface', true) then
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        exit;
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    SDL_LockSurface(Surface);
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    pixels:= Surface^.pixels;
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    if Vertical then
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    for y := 0 to (Surface^.h div 2) - 1 do
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        for x := 0 to Surface^.w - 1 do
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            begin
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            i:= y * Surface^.w + x;
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            j:= (Surface^.h - y - 1) * Surface^.w + x;
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end
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    else
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    for x := 0 to (Surface^.w div 2) - 1 do
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        for y := 0 to Surface^.h - 1 do
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            begin
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            i:= y*Surface^.w + x;
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            j:= y*Surface^.w + (Surface^.w - x - 1);
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            tmpPixel:= pixels^[i];
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            pixels^[i]:= pixels^[j];
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            pixels^[j]:= tmpPixel;
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            end;
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    SDL_UnlockSurface(Surface);
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end;
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procedure copyToXY(src, dest: PSDL_Surface; destX, destY: LongInt); inline;
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begin
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    // copy from complete src
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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 spi, dpi, iX, iY, dX, dY, lX, lY, aT: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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    rD, gD, bD, aD, rT, gT, bT: Byte;
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begin
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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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    // what's the offset between src and dest coords?
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    dX:= destX - srcX;
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    dY:= destY - srcY;
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    // let's figure out where the rectangle we can actually copy ends
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    lX:= min(srcX + srcW, src^.w) - 1;
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    if lX + dx >= dest^.w then lX:= dest^.w - dx - 1;
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    lY:= min(srcY + srcH, src^.h) - 1;
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    if lY + dy >= dest^.h then lY:= dest^.h - dy - 1;
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    for iX:= srcX to lX do
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    for iY:= srcY to lY do
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        begin
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        // src pixel index
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        spi:= iY * src^.w  + iX;
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        // dest pixel index
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        dpi:= (iY + dY) * dest^.w + (iX + dX);
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        // get src alpha (and set it as target alpha for now)
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        aT:= (srcPixels^[spi] and AMask) shr AShift;
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        // src pixel opaque?
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        if aT = 255 then
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            begin
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            // just copy full pixel
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            destPixels^[dpi]:= srcPixels^[spi];
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            continue;
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            end;
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        // get dst alpha (without shift for now)
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        aD:= (destPixels^[dpi] and AMask) shr AShift;
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        // dest completely transparent?
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        if aD = 0 then
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            begin
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            // just copy src pixel
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            destPixels^[dpi]:= srcPixels^[spi];
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            continue;
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            end;
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        // looks like some blending is necessary
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        // set color of target RGB to src for now
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        SDL_GetRGB(srcPixels^[spi],  src^.format,  @rT, @gT, @bT);
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        SDL_GetRGB(destPixels^[dpi], dest^.format, @rD, @gD, @bD);
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        // note: this is not how to correctly blend RGB, just sayin' (R,G,B are not linear...)
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        rT:= (rD * (255 - aT) + rT * aT) div 255;
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        gT:= (gD * (255 - aT) + gT * aT) div 255;
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        bT:= (bD * (255 - aT) + bT * aT) div 255;
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        aT:= aD + ((255 - LongInt(aD)) * aT div 255);
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        destPixels^[dpi]:= SDL_MapRGBA(dest^.format, rT, gT, bT, aT);
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        end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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procedure DrawSprite2Surf(sprite: TSprite; dest: PSDL_Surface; x,y: LongInt); inline;
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begin
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   DrawSpriteFrame2Surf(sprite, dest, x, y, 0);
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end;
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procedure DrawSpriteFrame2Surf(sprite: TSprite; dest: PSDL_Surface; x,y,frame: LongInt);
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var numFramesFirstCol, row, col: LongInt;
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begin
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    numFramesFirstCol:= SpritesData[sprite].imageHeight div SpritesData[sprite].Height;
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    row:= Frame mod numFramesFirstCol;
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    col:= Frame div numFramesFirstCol;
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    copyToXYFromRect(SpritesData[sprite].Surface, dest,
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             col*SpritesData[sprite].Width,
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             row*SpritesData[sprite].Height,
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             SpritesData[sprite].Width,
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             spritesData[sprite].Height,
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             x,y);
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end;
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procedure DrawLine2Surf(dest: PSDL_Surface; x0, y0,x1,y1: LongInt; r,g,b: byte);
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var
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    dx,dy,err,e2,sx,sy: LongInt;
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    yMax: LongInt;
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    destPixels: PLongwordArray;
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begin
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    //max:= (dest^.pitch div 4) * dest^.h;
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    yMax:= dest^.pitch div 4;
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    SDL_LockSurface(dest);
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    destPixels:= dest^.pixels;
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    dx:= abs(x1-x0);
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    dy:= abs(y1-y0);
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    if x0 < x1 then sx:= 1 else sx:= -1;
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    if y0 < y1 then sy:= 1 else sy:= -1;
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    err:= dx-dy;
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    while(true) do
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        begin
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        destPixels^[(y0 * yMax) + x0]:= SDL_MapRGB(dest^.format, r,g,b); //But will it blend? no
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        if (x0 = x1) and (y0 = y1) then break;
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        e2:= 2*err;
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        if e2 > -dy then
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            begin
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            err:= err - dy;
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            x0 := x0 + sx;
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            end;
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        if e2 < dx then
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            begin
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            err:= err + dx;
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            y0:=y0+sy
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            end;
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        end;
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    SDL_UnlockSurface(dest);
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end;
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procedure copyRotatedSurface(src, dest: PSDL_Surface); // this is necessary since width/height are read only in SDL, apparently
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var y, x, i, j: LongInt;
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    srcPixels, destPixels: PLongWordArray;
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begin
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    checkFails(src^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    checkFails(dest^.format^.BytesPerPixel = 4, 'rotateSurface failed, expecting 32 bit surface', true);
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    if not allOK then exit;
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    SDL_LockSurface(src);
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    SDL_LockSurface(dest);
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    srcPixels:= src^.pixels;
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    destPixels:= dest^.pixels;
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    j:= 0;
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    for x := 0 to src^.w - 1 do
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        for y := 0 to src^.h - 1 do
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            begin
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            i:= (src^.h - 1 - y) * (src^.pitch div 4) + x;
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            destPixels^[j]:= srcPixels^[i];
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            inc(j)
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            end;
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    SDL_UnlockSurface(src);
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    SDL_UnlockSurface(dest);
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end;
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function RenderStringTex(s: ansistring; Color: Longword; font: THWFont): PTexture;
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begin
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    RenderStringTex:= RenderStringTexLim(s, Color, font, 0);
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end;
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function RenderStringTexLim(s: ansistring; Color: Longword; font: THWFont; maxLength: LongWord): PTexture;
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var w, h: Longword;
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    finalSurface: PSDL_Surface;
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begin
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    if cOnlyStats then
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        begin
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        RenderStringTexLim:= nil;
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   321
        end
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   322
    else
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   323
        begin
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   324
        if length(s) = 0 then s:= _S' ';
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   325
        font:= CheckCJKFont(s, font);
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   326
        w:= 0; h:= 0; // avoid compiler hints
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   327
        TTF_SizeUTF8(Fontz[font].Handle, PChar(s), @w, @h);
11841
1d41f297b3d3 bit of a start on HDPI monitor support. Fonts.
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        if (maxLength > 0) and (w > maxLength * HDPIScaleFactor) then w := maxLength * HDPIScaleFactor;
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1d41f297b3d3 bit of a start on HDPI monitor support. Fonts.
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        finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, w + cFontBorder*2 + cFontPadding*2, h + cFontBorder * 2,
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   331
                32, RMask, GMask, BMask, AMask);
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   332
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   333
        if checkFails(finalSurface <> nil, 'RenderString: fail to create surface', true) then
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   334
            exit(nil);
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   335
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   336
        WriteInRoundRect(finalSurface, 0, 0, Color, font, s, maxLength);
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   337
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   338
        checkFails(SDL_SetColorKey(finalSurface, SDL_SRCCOLORKEY, 0) = 0, errmsgTransparentSet, false);
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   339
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   340
        RenderStringTexLim:= Surface2Tex(finalSurface, false);
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   341
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   342
        SDL_FreeSurface(finalSurface);
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   343
        end;
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end;
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   345
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   346
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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   348
    newl, skip: boolean;
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   349
    c         : char;
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   350
begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   351
    m:= Length(s);
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   352
10690
c3b73dc33294 grmlgrml
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   353
    substr:= '';
c3b73dc33294 grmlgrml
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   354
10689
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   355
    SetLengthA(substr, m);
10687
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sheepluva
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   356
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   357
    // number of chars read
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   358
    r:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   359
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   360
    // number of chars to be written
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   361
    l:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   362
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   363
    newl:= true;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   364
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   365
    for p:= max(1, startFrom) to m do
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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   366
        begin
10691
97f45f1374be change speechfix implementation (no "continue" anymore
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diff changeset
   367
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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   368
        inc(r);
10691
97f45f1374be change speechfix implementation (no "continue" anymore
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   369
        // read char from source string
10687
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   370
        c:= s[p];
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
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diff changeset
   371
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   372
        // strip empty lines, spaces and newlines on beginnings of line
10691
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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   373
        skip:= ((newl or (p = m)) and ((c = ' ') or (c = ldelim)));
10687
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diff changeset
   374
10691
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   375
        if (not skip) then
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   376
            begin
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   377
            newl:= (c = ldelim);
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   378
            // stop if we went past the end of the line
97f45f1374be change speechfix implementation (no "continue" anymore
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   379
            if newl then
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   380
                break;
10687
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diff changeset
   381
10691
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   382
            // copy current char to output substring
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
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diff changeset
   383
            inc(l);
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
parents: 10690
diff changeset
   384
            substr[l]:= c;
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
parents: 10690
diff changeset
   385
            end;
97f45f1374be change speechfix implementation (no "continue" anymore
sheepluva
parents: 10690
diff changeset
   386
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
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diff changeset
   387
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   388
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   389
    inc(startFrom, r);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   390
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
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diff changeset
   391
    SetLengthA(substr, l);
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   392
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   393
    GetNextSpeechLine:= (l > 0);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   394
end;
4380
b78638b36b89 Introduce uRenderUtils
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diff changeset
   395
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   396
function RenderSpeechBubbleTex(s: ansistring; SpeechType: Longword; font: THWFont): PTexture;
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   397
var textWidth, textHeight, x, y, w, h, i, j, pos, line, numLines, edgeWidth, edgeHeight, cornerWidth, cornerHeight: LongInt;
4380
b78638b36b89 Introduce uRenderUtils
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diff changeset
   398
    finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
b78638b36b89 Introduce uRenderUtils
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parents:
diff changeset
   399
    rect: TSDL_Rect;
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   400
    {$IFNDEF PAS2C}
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   401
    chars: set of char = [#9,' ',';',':','?','!',','];
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   402
    {$ENDIF}
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   403
    substr: ansistring;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   404
    edge, corner, tail: TSPrite;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   405
begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   406
    if cOnlyStats then exit(nil);
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   407
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   408
    case SpeechType of
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   409
        1: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   410
            edge:= sprSpeechEdge;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   411
            corner:= sprSpeechCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   412
            tail:= sprSpeechTail;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   413
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   414
        2: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   415
            edge:= sprThoughtEdge;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   416
            corner:= sprThoughtCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   417
            tail:= sprThoughtTail;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   418
            end;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   419
        3: begin
10139
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   420
            edge:= sprShoutEdge;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   421
            corner:= sprShoutCorner;
9046f69dae4c In stats-only mode:
unc0rr
parents: 10127
diff changeset
   422
            tail:= sprShoutTail;
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   423
            end
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   424
        else
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10139
diff changeset
   425
            exit(nil)
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   426
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   427
    edgeHeight:= SpritesData[edge].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   428
    edgeWidth:= SpritesData[edge].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   429
    cornerWidth:= SpritesData[corner].Width;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   430
    cornerHeight:= SpritesData[corner].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   431
    // This one screws up WrapText
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   432
    //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
   433
    // This one does not
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   434
    //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
   435
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   436
    numLines:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   437
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6286
diff changeset
   438
    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
   439
        s:= '...';
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   440
    font:= CheckCJKFont(s, font);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   441
    w:= 0; h:= 0; // avoid compiler hints
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   442
    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
   443
    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
   444
        w:= 8;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   445
    j:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   446
    if (length(s) > 20) then
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   447
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   448
        w:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   449
        i:= round(Sqrt(length(s)) * 2);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   450
        {$IFNDEF PAS2C}
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   451
        s:= WrapText(s, #1, chars, i);
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10116
diff changeset
   452
        {$ENDIF}
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   453
        pos:= 1; line:= 0;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   454
    // 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
   455
        while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   456
            begin
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   457
            inc(numLines);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   458
            i:= 0; j:= 0;
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   459
            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
   460
            if i > w then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   461
                w:= i;
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   462
            end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   463
        end
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   464
    else numLines := 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   465
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   466
    if numLines < 1 then
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   467
        begin
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   468
        s:= '...';
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   469
        numLines:= 1;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   470
        end;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   471
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   472
    textWidth:=((w-(cornerWidth-edgeWidth)*2) div edgeWidth)*edgeWidth+edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   473
    textHeight:=(((numlines * h + 2)-((cornerHeight-edgeWidth)*2)) div edgeWidth)*edgeWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   474
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   475
    textHeight:=max(textHeight,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   476
    //textWidth:=max(textWidth,SpritesData[tail].Width);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   477
    rect.x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   478
    rect.y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   479
    rect.w:= textWidth + (cornerWidth * 2);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   480
    rect.h:= textHeight + cornerHeight*2 - edgeHeight + SpritesData[tail].Height;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   481
    //s:= inttostr(w) + ' ' + inttostr(numlines) + ' ' + inttostr(rect.x) + ' '+inttostr(rect.y) + ' ' + inttostr(rect.w) + ' ' + inttostr(rect.h);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   482
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   483
    finalSurface:= SDL_CreateRGBSurface(SDL_SWSURFACE, rect.w, rect.h, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   484
11537
bf86c6cb9341 Bye-bye TryDo
unc0rr
parents: 11512
diff changeset
   485
    if checkFails(finalSurface <> nil, 'RenderString: fail to create surface', true) then
bf86c6cb9341 Bye-bye TryDo
unc0rr
parents: 11512
diff changeset
   486
        exit(nil);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   487
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   488
    //////////////////////////////// CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   489
    copyToXY(SpritesData[corner].Surface, finalSurface, 0, 0); /////////////////// NW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   490
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   491
    flipSurface(SpritesData[corner].Surface, true); // store all 4 versions in memory to avoid repeated flips?
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   492
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   493
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   494
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SW
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   495
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   496
    flipSurface(SpritesData[corner].Surface, false);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   497
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   498
    y:= textHeight + cornerHeight -1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   499
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// SE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   500
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   501
    flipSurface(SpritesData[corner].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   502
    x:= rect.w-cornerWidth-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   503
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   504
    copyToXY(SpritesData[corner].Surface, finalSurface, x, y); /////////////////// NE
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   505
    flipSurface(SpritesData[corner].Surface, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   506
    //////////////////////////////// END CORNERS ///////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   507
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   508
    //////////////////////////////// EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   509
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   510
    y:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   511
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   512
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   513
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// top edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   514
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   515
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   516
    flipSurface(SpritesData[edge].Surface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   517
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   518
    y:= textHeight + cornerHeight*2 - edgeHeight-1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   519
    while x < rect.w-cornerWidth-1 do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   520
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   521
        copyToXY(SpritesData[edge].Surface, finalSurface, x, y); ///////////////// bottom edge
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   522
        inc(x,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   523
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   524
    flipSurface(SpritesData[edge].Surface, true); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   525
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   526
    rotatedEdge:= SDL_CreateRGBSurface(SDL_SWSURFACE, edgeHeight, edgeWidth, 32, RMask, GMask, BMask, AMask);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   527
    x:= rect.w - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   528
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   529
    //// initially was going to rotate in place, but the SDL spec claims width/height are read only
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   530
    copyRotatedSurface(SpritesData[edge].Surface,rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   531
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   532
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   533
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   534
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   535
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   536
    flipSurface(rotatedEdge, false); // restore original position
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   537
    x:= 0;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   538
    y:= cornerHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   539
    while y < textHeight + cornerHeight do
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   540
        begin
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   541
        copyToXY(rotatedEdge, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   542
        inc(y,edgeWidth);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   543
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   544
    //////////////////////////////// END EDGES //////////////////////////////////////
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   545
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   546
    x:= cornerWidth;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   547
    y:= textHeight + cornerHeight * 2 - edgeHeight - 1;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   548
    copyToXY(SpritesData[tail].Surface, finalSurface, x, y);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   549
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   550
    rect.x:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   551
    rect.y:= edgeHeight;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   552
    rect.w:= rect.w - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   553
    rect.h:= textHeight + cornerHeight * 2 - edgeHeight * 2;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   554
    i:= rect.w;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   555
    j:= rect.h;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   556
    SDL_FillRect(finalSurface, @rect, cWhiteColor);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   557
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   558
    pos:= 1; line:= 0;
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   559
    while GetNextSpeechLine(s, #1, pos, substr) do
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   560
        begin
10689
692649e341fc change string types of speech bubbles fix to work with pas2c
sheepluva
parents: 10687
diff changeset
   561
        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
   562
        rect.x:= edgeHeight + 1 + ((i - w) div 2);
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   563
        // trying to more evenly position the text, vertically
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   564
        rect.y:= edgeHeight + ((j-(numLines*h)) div 2) + line * h;
11512
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   565
        if not SDLCheck(tmpsurf <> nil, 'TTF_RenderUTF8_Blended', true) then
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   566
        begin
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   567
            SDL_UpperBlit(tmpsurf, nil, finalSurface, @rect);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   568
            SDL_FreeSurface(tmpsurf);
bd9a2f1b0080 SDLTry doesn't halt engine no more
unc0rr
parents: 11342
diff changeset
   569
        end;
10687
2e921409b5b1 cleanup speech bubble code a little. this fixes issue 719
sheepluva
parents: 10494
diff changeset
   570
        inc(line);
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   571
        end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   572
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   573
    RenderSpeechBubbleTex:= Surface2Tex(finalSurface, true);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   574
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   575
    SDL_FreeSurface(rotatedEdge);
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   576
    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
   577
4380
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   578
end;
b78638b36b89 Introduce uRenderUtils
unC0Rr
parents:
diff changeset
   579
4611
445d382cd401 A very very basic snow implementation
nemo
parents: 4404
diff changeset
   580
end.