1 /* 2 Open Asset Import Library (assimp) 3 ---------------------------------------------------------------------- 4 5 Copyright (c) 2006-2016, assimp team 6 All rights reserved. 7 8 Redistribution and use of this software in source and binary forms, 9 with or without modification, are permitted provided that the 10 following conditions are met: 11 12 * Redistributions of source code must retain the above 13 copyright notice, this list of conditions and the 14 following disclaimer. 15 16 * Redistributions in binary form must reproduce the above 17 copyright notice, this list of conditions and the 18 following disclaimer in the documentation and/or other 19 materials provided with the distribution. 20 21 * Neither the name of the assimp team, nor the names of its 22 contributors may be used to endorse or promote products 23 derived from this software without specific prior 24 written permission of the assimp team. 25 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37 38 ---------------------------------------------------------------------- 39 */ 40 //! 41 //! @file Data structures for the 3D Game Studio Heightmap format (HMP) 42 //! 43 44 namespace Assimp { 45 namespace HMP { 46 47 #include "./../include/assimp/Compiler/pushpack1.h" 48 #include <stdint.h> 49 50 // to make it easier for us, we test the magic word against both "endianesses" 51 #define AI_HMP_MAGIC_NUMBER_BE_4 AI_MAKE_MAGIC("HMP4") 52 #define AI_HMP_MAGIC_NUMBER_LE_4 AI_MAKE_MAGIC("4PMH") 53 54 #define AI_HMP_MAGIC_NUMBER_BE_5 AI_MAKE_MAGIC("HMP5") 55 #define AI_HMP_MAGIC_NUMBER_LE_5 AI_MAKE_MAGIC("5PMH") 56 57 #define AI_HMP_MAGIC_NUMBER_BE_7 AI_MAKE_MAGIC("HMP7") 58 #define AI_HMP_MAGIC_NUMBER_LE_7 AI_MAKE_MAGIC("7PMH") 59 60 // --------------------------------------------------------------------------- 61 /** Data structure for the header of a HMP5 file. 62 * This is also used by HMP4 and HMP7, but with modifications 63 */ 64 struct Header_HMP5 65 { 66 int8_t ident[4]; // "HMP5" 67 int32_t version; 68 69 // ignored 70 float scale[3]; 71 float scale_origin[3]; 72 float boundingradius; 73 74 //! Size of one triangle in x direction 75 float ftrisize_x; 76 //! Size of one triangle in y direction 77 float ftrisize_y; 78 //! Number of vertices in x direction 79 float fnumverts_x; 80 81 //! Number of skins in the file 82 int32_t numskins; 83 84 // can ignore this? 85 int32_t skinwidth; 86 int32_t skinheight; 87 88 //!Number of vertices in the file 89 int32_t numverts; 90 91 // ignored and zero 92 int32_t numtris; 93 94 //! only one supported ... 95 int32_t numframes; 96 97 //! Always 0 ... 98 int32_t num_stverts; 99 int32_t flags; 100 float size; 101 } PACK_STRUCT; 102 103 // --------------------------------------------------------------------------- 104 /** Data structure for a terrain vertex in a HMP4 file 105 */ 106 struct Vertex_HMP4 107 { 108 uint16_t p_pos[3]; 109 uint8_t normals162index; 110 uint8_t pad; 111 } PACK_STRUCT; 112 113 // --------------------------------------------------------------------------- 114 /** Data structure for a terrain vertex in a HMP5 file 115 */ 116 struct Vertex_HMP5 117 { 118 uint16_t z; 119 uint8_t normals162index; 120 uint8_t pad; 121 } PACK_STRUCT; 122 123 // --------------------------------------------------------------------------- 124 /** Data structure for a terrain vertex in a HMP7 file 125 */ 126 struct Vertex_HMP7 127 { 128 uint16_t z; 129 int8_t normal_x,normal_y; 130 } PACK_STRUCT; 131 132 #include "./../include/assimp/Compiler/poppack1.h" 133 134 } //! namespace HMP 135 } //! namespace Assimp 136