1 #ifndef LEVELBASE_H 2 #define LEVELBASE_H 3 4 /* 5 Copyright (c) 2009-2010 Tero Lindeman (kometbomb) 6 7 Permission is hereby granted, free of charge, to any person 8 obtaining a copy of this software and associated documentation 9 files (the "Software"), to deal in the Software without 10 restriction, including without limitation the rights to use, 11 copy, modify, merge, publish, distribute, sublicense, and/or sell 12 copies of the Software, and to permit persons to whom the 13 Software is furnished to do so, subject to the following 14 conditions: 15 16 The above copyright notice and this permission notice shall be 17 included in all copies or substantial portions of the Software. 18 19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 21 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 23 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 24 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 OTHER DEALINGS IN THE SOFTWARE. 27 */ 28 29 30 #include "background.h" 31 #include "SDL_rwops.h" 32 33 enum 34 { 35 LOP_LAYER, 36 LOP_END, 37 LOP_TILE, 38 LOP_REP_TILE, 39 LOP_EVENT 40 }; 41 42 #define PACKED __attribute__ ((packed)) 43 #define EV_PARAMS 16 44 #define EV_NEXT 15 45 #define EV_TRGPARENT 14 46 47 typedef struct 48 { 49 Uint8 opcode; 50 Uint32 repeat; 51 } PACKED LevOpCode; 52 53 typedef struct 54 { 55 Uint32 flags; 56 Uint16 w, h; 57 Sint16 prx_mlt_x, prx_mlt_y; 58 Sint16 off_x, off_y; 59 } PACKED LevLayer; 60 61 typedef struct 62 { 63 Sint16 x, y; 64 Uint16 w, h; 65 Sint32 param[EV_PARAMS]; 66 } PACKED LevEvent; 67 68 typedef struct 69 { 70 Uint16 type; 71 } PACKED LevTile; 72 73 typedef struct 74 { 75 Uint16 repeat; 76 Uint16 type; 77 } PACKED LevRepTile; 78 79 int lev_load(Background *bg, int *n_layers, SDL_RWops* data, int (*interpret_event)(void *, const LevEvent *), void* pdata); 80 void lev_unload(Background *bg, int n_layers); 81 82 #endif 83