1 #ifndef CYDWAVE_H 2 #define CYDWAVE_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 #include "cydtypes.h" 30 #include "cydentry.h" 31 #include <stdbool.h> 32 33 typedef struct 34 { 35 int direction; // 0 = forward, 1 = backwards 36 bool playing; 37 CydWaveAcc acc; // probably overkill 38 Uint32 frequency; 39 } CydWaveState; 40 41 Sint32 cyd_wave_get_sample(const CydWaveState *state, const CydWavetableEntry *wave_entry, CydWaveAcc acc); 42 void cyd_wave_cycle(CydWaveState *wave, const CydWavetableEntry *wave_entry); 43 44 #endif 45