ref: 80eacd13f9d4e7111893de511d0b5ecd5402ee74
dir: /src/v_patch.h/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2005 Simon Howard // // 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., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // // DESCRIPTION: // Refresh/rendering module, shared data struct definitions. // //----------------------------------------------------------------------------- #ifndef V_PATCH_H #define V_PATCH_H // Patches. // A patch holds one or more columns. // Patches are used for sprites and all masked pictures, // and we compose textures from the TEXTURE1/2 lists // of patches. typedef struct { short width; // bounding box size short height; short leftoffset; // pixels to the left of origin short topoffset; // pixels below the origin int columnofs[8]; // only [width] used // the [0] is &columnofs[width] } PACKEDATTR patch_t; // posts are runs of non masked source pixels typedef struct { byte topdelta; // -1 is the last post in a column byte length; // length data bytes follows } PACKEDATTR post_t; // column_t is a list of 0 or more post_t, (byte)-1 terminated typedef post_t column_t; #endif