Mercurial > hg > old > magoroku_racing

annotate car.cc @ 124:6ef3b0efdeaf

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author e085768
date Thu, 30 Jun 2011 12:43:18 +0900
parents 5219bf3d5e71
children c62fec1dd2f8
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1 /* Car.c */
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2
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <stdbool.h>
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6 #include "libps2.h"
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7 #include "ps2util.h"
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8 #include "field.h"
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9 #include "car.h"
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10 #include "mytype.h"
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11 #include "quotanion.h"
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12 #include "game.h"
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13 #include "stdbool.h"
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14
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15 #define DEFAULT_SET (EFFECT_TEXTURE_USE | EFFECT_ALPHABLEND_UNUSE | EFFECT_SHADING_FLAT)
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16 #define BUFSIZE 256
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17
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18 /* 初期位置と初期方向 */
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19 static FVECTOR location = {0, 0, 0, 1};
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20 static FVECTOR direction = {0, 0, 1, 1};
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21
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22 extern FILE* main_fp;
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23
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24 static CarPtr
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25 car_create(int car_id, char *filename, char *texname, float speed_accel,
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26 float speed_max, float rot, float brake)
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27 {
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28 CarPtr car;
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29 OBJECT *body;
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30 //TEXTURE* tex;
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31 void *free_addr;
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32
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33 body = ps2util_obj_Create_fromXML(filename);
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34 ps2util_obj_Set_effect(body, DEFAULT_SET);
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35
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36 if (malloc_align16(&free_addr, &car, sizeof(Car)) == -1) {
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37 fprintf(main_fp, "car.c: malloc_align16 error\n");
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38 exit(EXIT_FAILURE);
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39 }
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40
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41 // car->body = new OBJECT();
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42 car->body = (OBJECT*)malloc(sizeof(OBJECT));
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43
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44 car->body = body;
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45 car->next = NULL;
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46 car->speed = 0.0;
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47 car->speed_accel = speed_accel;
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48 car->speed_max = speed_max;
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49 car->brake = brake;
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50 car->rotation_angle = rot;
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51 car->y_angle = 0.0;
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52 car->free_addr = free_addr;
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54 // car->body = new OBJECT();
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55 // car->body = (OBJECT*)malloc(sizeof(OBJECT));
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56
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57 ps2_vu0_copy_vector(car->direction, direction);
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58 ps2_vu0_copy_vector(car->location, location);
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59 INIT_VECTOR(car->vertical, 0, -1, 0, 1);
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60 INIT_VECTOR(car->body->xyz, 0, 0, 0, 1);
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61 INIT_VECTOR(car->body->angle, 0, 0, 0, 1);
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63 ps2util_obj_Renew_transMatrix(car->body);
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64 ps2util_obj_Set_effect(car->body, DEFAULT_SET);
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66 /*
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67 if (*texname != 'n') {
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68 tex = read_png_file(texname);
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69 ps2util_tex_Set(tex);
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70 ps2util_obj_Set_texture(car->body, tex);
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71 }
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72 */
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73
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74 #ifdef DEBUG
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75 fprintf(main_fp, "malloc car addr = %x\n", (int)free_addr);
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76 #endif
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78 return car;
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79 }
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81 // idは 1 か 2 か 3 で引数取ってこないと落ちるよ
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82 // car/car.dat ファイル内に３つしか車のデータ無から
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83 static CarPtr
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84 car_new_readCSV(FILE *fp, int id)
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85 {
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86 CarPtr newCar;
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87 int car_id;
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88 float speed_accel, speed_max, brake, rot;
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89 char buff[BUFSIZE], *bufp;
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90 char carImg[BUFSIZE], texImg[BUFSIZE];
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91 bool flag;
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93 flag = false;
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94
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95 while ((bufp = fgets(buff, BUFSIZE, fp)) != NULL) {
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97 bufp++;
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98
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99 switch (buff[0]) {
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100 case 'n':
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101 if (flag == false) {
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102 sscanf(bufp, " %d\n", &car_id); // car_id = nの後ろの数字一文字
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103 if (id == car_id) {
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104 flag = true;
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105 }
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106 }
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107 break;
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108 case 't':
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109 if (flag == true) {
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110 sscanf(bufp, " %s %s %f %f %f %f\n",
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111 carImg, texImg, &speed_accel, &speed_max, &rot, &brake);
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112 newCar = car_create(id, carImg, texImg,
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113 speed_accel, speed_max, rot, brake);
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114 return newCar;
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115 }
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116 break;
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117 default:
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118 break;
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119 }
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120 }
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121
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122 /* ここまで辿り着いたら読み込み失敗 */
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123 fprintf(main_fp, "error - car_new_readCSV\n");
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124 exit(EXIT_FAILURE);
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125 }
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126
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127 CarPtr car_init(int id)
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128 {
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129 CarPtr newCar;
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130 FILE *fp;
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131 const char *filename = "car/car.dat";
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132
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133 if (!(fp = fopen(filename, "r"))) {
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134 fprintf(main_fp, "error read file %s\n", filename);
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135 exit(EXIT_FAILURE);
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136 }
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137
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138 newCar = car_new_readCSV(fp, id);
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139
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140 fclose(fp);
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141
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142 return newCar;
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143 }
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144
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145 /*---------------------------
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146 carをY軸で回転させる
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147 flg: 回転方向 1:右, -1:左
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148 ---------------------------*/
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149 void
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150 car_swerve(CarPtr car, int flg)
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151 {
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152 FMATRIX rot;
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153 FVECTOR v;
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154
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155 car->y_angle += (float)flg*car->rotation_angle;
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156 car->y_angle += (car->y_angle < 0) ? 360.0 : 0;
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157 car->y_angle += (car->y_angle > 360.0) ? -360.0 : 0;
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158
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159 ps2_vu0_unit_matrix(rot);
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160 ps2_vu0_rot_matrix_y(rot, rot, degree2radian((float)flg*car->rotation_angle));
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161 ps2_vu0_copy_vector(v, car->direction);
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162 ps2_vu0_apply_matrix(car->direction, rot, v);
0
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163 }
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164
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165 /*----------------------------
88
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parents: 43
diff changeset
166 carを加速・減速する
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parents: 43
diff changeset
167 (flg == 1) ? 加速 : 減速
0
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168 ---------------------------*/
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169 void
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170 car_accelerate(CarPtr car, int flg)
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171 {
96
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172 car->speed += (flg == 1) ? car->speed_accel : -car->brake;
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173 car->speed = (car->speed < 0) ? 0 : car->speed;
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174 car->speed = (car->speed > car->speed_max) ? car->speed_max : car->speed;
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175 }
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176
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177
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178 /*---------------------------------
88
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179 進行後のcarに対してコース面の内外判定を行い、
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180 : 現在のコース
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181 : 現在のコースの次のコース
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182 : 現在のコースの前のコース
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183 に存在すればTRUEを返す
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184 どのコースにも居ない(壁に衝突した)場合は
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185 FALSEを返す。
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186 ---------------------------------*/
90
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187 static bool
91
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188 car_field_check(Game *game ,CarPtr car)
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189 {
96
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190 FieldPtr p;
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191 FieldPtr f = field_get_actual();
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192
96
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193 // 現在のコースで衝突・内外判定
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194 p = f;
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195 if (col_detect(&p->colface, car->vertical, car->location) == true) {
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196 goto FIELD_CHECK_OK;
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197 }
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198
96
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199 // 現在のコースの次に隣接するコースで衝突・内外判定
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200 p = f->next;
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201 if (col_detect(&p->colface, car->vertical, car->location) == true) {
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202 if (field_rap_increment(1)) {
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203 game->rap++;
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204 }
96
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205 goto FIELD_CHECK_OK;
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206 }
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207
96
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208 // 現在のコースの前に隣接するコースで衝突・内外判定
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209 p = f->prev;
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210 if (col_detect(&p->colface, car->vertical, car->location) == true) {
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211 field_rap_increment(-1);
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212 goto FIELD_CHECK_OK;
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parents: 91
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213 }
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214
96
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215 // どのコース上にも居ない(壁に衝突)
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diff changeset
216 return false;
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217
96
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218 FIELD_CHECK_OK:
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219 field_set_actual(p);
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220 return true;
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221 }
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222
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223
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224 /*------------------------------
88
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parents: 43
diff changeset
225 速度speedと向きdirectionから
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parents: 43
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226 進行後の位置locationを求める。
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parents: 43
diff changeset
227 また、進行後の衝突判定も行う。
0
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228 ------------------------------*/
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229 static void
91
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230 car_move(Game *game,CarPtr car)
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231 {
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232 FVECTOR mov, prev_location;
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233
91
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234 ps2_vu0_scale_vector(mov, car->direction, car->speed);
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235 ps2_vu0_copy_vector(prev_location, car->location);
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236 ps2_vu0_add_vector(car->location, car->location, mov);
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237
91
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238 if (car_field_check(game,car) == false) {
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diff changeset
239 ps2_vu0_copy_vector(car->location, prev_location);
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240 car->speed = car->speed*0.5;
91
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diff changeset
241 }
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242 }
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243
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244
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245 static void
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246 car_axis_rotation(CarPtr car)
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247 {
91
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diff changeset
248 FMATRIX pose, yrot, yrotinv;
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249
96
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parents: 91
diff changeset
250 ps2_vu0_unit_matrix(yrot);
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251 ps2_vu0_rot_matrix_y(yrot, yrot, -degree2radian(car->y_angle));
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diff changeset
252 ps2_vu0_unit_matrix(yrotinv);
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diff changeset
253 ps2_vu0_rot_matrix_y(yrotinv, yrotinv, degree2radian(car->y_angle));
0
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254
96
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parents: 91
diff changeset
255 {
0b65ca27f113 compile on Mac OS X 2
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parents: 91
diff changeset
256 FVECTOR yd = {0, -1, 0, 1};
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parents: 91
diff changeset
257 FVECTOR rotaxis;
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parents: 91
diff changeset
258 FVECTOR q;
0
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259
96
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parents: 91
diff changeset
260 ps2_vu0_outer_product(rotaxis, car->vertical, yd);
0b65ca27f113 compile on Mac OS X 2
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parents: 91
diff changeset
261 {
0b65ca27f113 compile on Mac OS X 2
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parents: 91
diff changeset
262 float scale=1/NORM(rotaxis);
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parents: 91
diff changeset
263 rotaxis[0] *= scale;
0b65ca27f113 compile on Mac OS X 2
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parents: 91
diff changeset
264 rotaxis[1] *= scale;
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parents: 91
diff changeset
265 rotaxis[2] *= scale;
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parents: 91
diff changeset
266 }
0
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parents:
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267
96
0b65ca27f113 compile on Mac OS X 2
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parents: 91
diff changeset
268 quotanion(q, rotaxis, acos(ps2_vu0_inner_product(yd, car->vertical)/(NORM(yd)*NORM(car->vertical))));
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parents: 91
diff changeset
269 quotanion_rotmatrix(pose, q);
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parents: 91
diff changeset
270 }
0
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271
96
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parents: 91
diff changeset
272 ps2_vu0_mul_matrix(pose, yrot, pose);
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parents: 91
diff changeset
273 ps2_vu0_mul_matrix(pose, pose, yrotinv);
118
b6dc70f6aa7e chenge OBJECT->transfer
e085768
parents: 116
diff changeset
274 // ps2_vu0_copy_matrix(car->body->transfer, pose);
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diff changeset
275 ps2_vu0_copy_matrix((FMATRIX)(car->body->matrix), pose);
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diff changeset
276 ps2_vu0_rot_matrix_y((FMATRIX)(car->body->matrix), (FMATRIX)(car->body->matrix) , degree2radian(car->y_angle));
0
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277 }
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278
118
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diff changeset
279
96
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diff changeset
280 void car_update( Game *game, CarPtr car )
0
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281 {
96
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diff changeset
282 // 移動
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diff changeset
283 car_move(game,car);
0
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284
96
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parents: 91
diff changeset
285 // 摩擦による速度減少
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parents: 91
diff changeset
286 car->speed -= 0.005;
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parents: 91
diff changeset
287 car->speed = (car->speed < 0) ? 0 : car->speed;
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288
96
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parents: 91
diff changeset
289 // 傾き
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parents: 91
diff changeset
290 car_axis_rotation(car);
0
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parents:
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291 }
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292
96
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parents: 91
diff changeset
293
0
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parents:
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294 void
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parents:
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295 car_destroy(CarPtr p)
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296 {
115
31dd5c07f7c1 class OBJECT:SceanGraph
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diff changeset
297 /*
91
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parents: 90
diff changeset
298 TEXTURE *t;
0
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299
91
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parents: 90
diff changeset
300 if ((t = p->body->surfaces->texture)) {
115
31dd5c07f7c1 class OBJECT:SceanGraph
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parents: 100
diff changeset
301 //ps2util_tex_Exclude(t);
96
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parents: 91
diff changeset
302 free_texture(t);
91
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parents: 90
diff changeset
303 }
115
31dd5c07f7c1 class OBJECT:SceanGraph
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parents: 100
diff changeset
304 */
31dd5c07f7c1 class OBJECT:SceanGraph
e085768
parents: 100
diff changeset
305
96
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parents: 91
diff changeset
306 ps2util_obj_Free(p->body);
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parents: 91
diff changeset
307 free(p->free_addr);
0
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308
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diff changeset
309 #ifdef DEBUG
96
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parents: 91
diff changeset
310 fprintf(main_fp, "free car addr = %x\n", (int)p->free_addr);
0
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311 #endif
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312 }
96
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parents: 91
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313
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314 // 適当に自作
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315 void car_id_update(Game *game, CarPtr jiki)
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316 {
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317 printf("car_id_update\n");
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318 }