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Diffstat (limited to 'engines/avalanche/graphics.h')
| -rw-r--r-- | engines/avalanche/graphics.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/engines/avalanche/graphics.h b/engines/avalanche/graphics.h new file mode 100644 index 0000000000..a94ed77112 --- /dev/null +++ b/engines/avalanche/graphics.h @@ -0,0 +1,103 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +/* + * This code is based on the original source code of Lord Avalot d'Argent version 1.3. + * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman. + */ + +#ifndef AVALANCHE_GRAPHICS_H +#define AVALANCHE_GRAPHICS_H + +#include "common/file.h" + +#include "graphics/surface.h" +#include "common/rect.h" + +namespace Avalanche { +class AvalancheEngine; + +typedef byte FontType[256][16]; // raw font type + +typedef byte ManiType[2049]; // manitype = array[5..2053] of byte; +// Be aware!!! + +typedef byte SilType[51][11]; // 35, 4 + +class SpriteInfo { +public: + byte _xWidth; + byte _xLength, _yLength; + ManiType *_mani[24]; + SilType *_sil[24]; + uint16 _size; // The size of one picture. +}; + +class Graphics { +public: + static const int16 kScreenWidth = 640; + static const int16 kScreenHeight = 200; + static const uint16 kBackgroundWidth = kScreenWidth; + static const byte kBackgroundHeight = 8 * 12080 / kScreenWidth; // With 640 width it's 151. + // The 8 = number of bits in a byte, and 12080 comes from Lucerna::load(). + + ::Graphics::Surface _surface; + ::Graphics::Surface _background; + ::Graphics::Surface _magics; // Lucerna::draw_also_lines() draws the "magical" lines here. Further information: https://github.com/urukgit/avalot/wiki/Also + ::Graphics::Surface _scrolls; + + Graphics(AvalancheEngine *vm); + ~Graphics(); + void init(); + void fleshColors(); + + // Taken from Free Pascal's Procedure InternalEllipseDefault. Used to replace Pascal's procedure arc. + // Returns the end point of the arc. (Needed in Lucerna::lucerna_clock().) + // TODO: Make it more accurate later. + Common::Point drawArc(::Graphics::Surface &surface, int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, byte color); + + void drawPieSlice(::Graphics::Surface &surface, int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, byte color); + void drawTriangle(::Graphics::Surface &surface, Common::Point *p, byte color); + void drawText(::Graphics::Surface &surface, const Common::String &text, FontType font, byte fontHeight, int16 x, int16 y, byte color); + + // The caller has to .free() the returned Surfaces!!! + // Further information about these two: http://www.shikadi.net/moddingwiki/Raw_EGA_data + ::Graphics::Surface loadPictureGraphic(Common::File &file); // Reads Graphic-planar EGA data. + ::Graphics::Surface loadPictureRow(Common::File &file, uint16 width, uint16 height); // Reads Row-planar EGA data. + + void drawSprite(const SpriteInfo &sprite, byte picnum, int16 x, int16 y); + void drawPicture(::Graphics::Surface &target, ::Graphics::Surface &picture, uint16 destX, uint16 destY); // Can't call .free() here. See Lucerna::showscore() for example. + void refreshScreen(); + void refreshBackground(); + +private: + AvalancheEngine *_vm; + + static const byte kEgaPaletteIndex[16]; + + byte _egaPalette[64][3]; + ::Graphics::Surface _screen; // Only used in refreshScreen() to make it more optimized. (No recreation of it at every call of the function.) +}; + +} // End of namespace Avalanche + +#endif // AVALANCHE_GRAPHICS_H |