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515
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1 #include <stdlib.h>
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518
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2 #include <stdio.h>
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3 #include <string.h>
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4 #include <fcntl.h>
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5 #include <sys/types.h>
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6 #include <sys/mman.h>
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7 #include <sys/stat.h>
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8 #include <unistd.h>
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515
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9 #include "SceneGraphRoot.h"
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10
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518
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11 /*
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12 typedef struct {
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13 caddr_t file_mmap;
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14 off_t size;
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15 } st_mmap_t;
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16 */
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17
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18 int
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19 fix_byte(int size,int fix_byte_size)
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20 {
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21 size = (size/fix_byte_size)*fix_byte_size + ((size%fix_byte_size)!= 0)*fix_byte_size;
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22
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23 return size;
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24 }
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25
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26 st_mmap_t
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27 my_mmap(char *filename)
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28 {
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29 int fd = -1;
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30 int map = MAP_PRIVATE;
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31 st_mmap_t st_mmap;
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32 struct stat sb;
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33
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34 if ((fd = open(filename, O_RDONLY, 0666)) == 0 ) {
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35 fprintf(stderr, "Can't open %s\n", filename);
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36 }
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37
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38 if (fstat(fd, &sb)) {
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39 fprintf(stderr, "Can't fstat %s\n", filename);
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40 }
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41
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42 printf("file size %d\n", (int)sb.st_size);
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43
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44 st_mmap.size = fix_byte(sb.st_size, 4096);
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45
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46 printf("fix 4096byte file size %d\n", (int)st_mmap.size);
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47
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48 st_mmap.file_mmap = (char *)mmap(NULL, st_mmap.size, PROT_READ, map, fd, (off_t)0);
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49 if (st_mmap.file_mmap == (caddr_t)-1) {
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50 fprintf(stderr, "Can't mmap file\n");
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51 perror(NULL);
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52 exit(0);
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53 }
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54
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55 return st_mmap;
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56 }
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57
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515
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58 static void
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59 earth_collision(SceneGraphPtr node, int screen_w, int screen_h,
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60 SceneGraphPtr tree)
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61 {
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62 }
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63
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64 static void
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65 moon_collision(SceneGraphPtr node, int screen_w, int screen_h,
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66 SceneGraphPtr tree)
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67 {
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68 }
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69
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70 static void
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71 moon_move(SceneGraphPtr node, int screen_w, int screen_h)
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72 {
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73 node->angle[0] += 3.0f;
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74 node->xyz[1] += 1.0f;
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75 }
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76
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77
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78 static void
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79 earth_move(SceneGraphPtr node, int screen_w, int screen_h)
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80 {
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81 node->angle[1] += 1.0f;
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82 if (node->angle[1] > 360.0f) {
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83 node->angle[1] = 0.0f;
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84 }
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85
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86 node->xyz[0] += node->stack_xyz[0];
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87 if ((int)node->xyz[0] > screen_w || (int)node->xyz[0] < 0) {
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88 node->stack_xyz[0] = -node->stack_xyz[0];
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89 }
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90
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91 node->xyz[1] += node->stack_xyz[1];
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92 if ((int)node->xyz[1] > screen_h || (int)node->xyz[1] < 0) {
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93 node->stack_xyz[1] = -node->stack_xyz[1];
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94 }
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95
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96 Pad *pad = sgroot->getController();
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518
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97
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515
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98 if (pad->right.isPush()) {
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518
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99 SceneGraphPtr earth;
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100
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101 st_mmap_t m = my_mmap("xml_file/universe.xml");
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102
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103 //sgroot->createFromXMLmemory(sgroot->tmanager, "xml_file/universe.xml");
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104 sgroot->createFromXMLmemory(sgroot->tmanager, m);
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515
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105 earth = sgroot->createSceneGraph("Earth");
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106 earth->set_move_collision(moon_move, moon_collision);
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107 node->addChild(earth);
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108 }
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109 }
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110
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518
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111 /*
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112 void
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113 linda_init()
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114 {
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115 init_linda();
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116 tspace = open_linda_java("localhost", PORT);
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117 printf("open");
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118 }
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119 */
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120
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515
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121 void
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122 dynamic_init(TaskManager *manager)
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123 {
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124 SceneGraphPtr earth;
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125 sgroot->tmanager = manager;
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126
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127
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128
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129 #if 0
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130 // テスト用に mmap したデータを第２引数に渡す
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131 sgroot->createFromXMLmemory(manager, "xml_file/universe.xml");
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132
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133 // sglist に登録されている name から sgid を引き、sg_src[sgid] からコピーして返す
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134 earth = sgroot->createSceneGraph("Earth");
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135 #else
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136 SceneGraphPtr parent;
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137 parent = sgroot->createSceneGraph();
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138 parent->set_move_collision(earth_move, earth_collision);
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139 #endif
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140
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141 // SceneGraphRoot に、使用する SceneGraph を設定する
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142 // このとき、ユーザーが記述した SceneGraph の root を渡す。
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143 sgroot->setSceneData(parent);
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144 }
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