00001 /* 00002 SagaEngine library 00003 Copyright (c) 2002-2006 Skalden Studio AS 00004 00005 This software is provided 'as-is', without any express or implied 00006 warranty. In no event will the authors be held liable for any 00007 damages arising from the use of this software. 00008 00009 Permission is granted to distribute the library under the terms of the 00010 Q Public License version 1.0. Be sure to read and understand the license 00011 before using the library. It should be included here, or you may read it 00012 at http://www.trolltech.com/products/qt/licenses/licensing/qpl 00013 00014 The original version of this library can be located at: 00015 http://www.sagaengine.com/ 00016 00017 Rune Myrland 00018 rune@skalden.com 00019 */ 00020 00021 00022 #ifndef util_type_FixedPoint_hpp 00023 #define util_type_FixedPoint_hpp 00024 00025 #ifdef SE_FIXED_POINT 00026 00027 typedef int coor_t; 00028 typedef coor_t coor_tile_t; 00029 typedef coor_t coor_in_t; 00030 typedef coor_t quat_t; 00031 00032 typedef long long coor_double_t; 00033 typedef coor_double_t scale_t; 00034 typedef coor_double_t coor_world_t; 00035 00036 typedef int trig_t; 00037 typedef int trig_sign_t; 00038 00039 static const coor_double_t COOR_T_MAX = 0x7fffffff; 00040 static const short COOR_SHIFT = 16; 00041 static const short SCALE_SHIFT = 16; 00042 00043 static const coor_double_t COOR_T_MIN = -COOR_T_MAX - 1; 00044 static const coor_t COOR_RES = (1 << COOR_SHIFT); 00045 00046 static const float COOR_SCALE = 1.0f / float(COOR_RES); 00047 00048 static const short QUAT_SHIFT = COOR_SHIFT; 00049 static const short QUAT_HALF_SHIFT = (COOR_SHIFT >> 1); 00050 static const quat_t QUAT_RES = COOR_RES; 00051 00052 static const short COOR_DOUBLE_SHIFT = (COOR_SHIFT << 1); 00053 static const coor_double_t COOR_DOUBLE_RES = ((coor_double_t)(1) << COOR_DOUBLE_SHIFT); 00054 00055 static const scale_t SCALE_RES = (1 << SCALE_SHIFT); 00056 00057 00058 #endif // SE_FIXED_POINT 00059 00060 #endif
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