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1 /*
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2 * $Id$
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3 */
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include "libps2.h"
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7 #include "ps2util.h"
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8 #include "col.h"
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9 #include "field.h"
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10 #include "car.h"
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11 #include "mytype.h"
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12 #include "quotanion.h"
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13 #include "game.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 /* $B=i4|0LCV$H=i4|J}8~(B */
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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 /* --- field.c --- */
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25 extern int field_rap_increment(int);
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26 extern void field_set_actual(FieldPtr);
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27 extern FieldPtr field_get_actual();
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28
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29 static int *check;
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30 static int check_value;
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31
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32 static CarPtr
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33 car_create(int car_id, char *filename, char *texname, float speed_accel,
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34 float speed_max, float rot, float brake)
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35 {
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36 CarPtr car;
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37 OBJECT *body;
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38 TEXTURE* tex;
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39 void *free_addr;
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40
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41 body = ps2util_obj_Create_fromXML(filename);
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42 ps2util_obj_Set_effect(body, DEFAULT_SET);
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43
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44 if (malloc_align16(&free_addr, &car, sizeof(Car)) == -1) {
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45 fprintf(main_fp, "car.c: malloc_align16 error\n");
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46 exit(EXIT_FAILURE);
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47 }
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48 car->body = body;
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49 car->next = NULL;
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50 car->speed = 0.0;
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51 car->speed_accel = speed_accel;
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52 car->speed_max = speed_max;
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53 car->brake = brake;
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54 car->rotation_angle = rot;
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55 car->y_angle = 0.0;
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56 car->free_addr = free_addr;
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57
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58 ps2_vu0_copy_vector(car->direction, direction);
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59 ps2_vu0_copy_vector(car->location, location);
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60 INIT_VECTOR(car->vertical, 0, -1, 0, 1);
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61 INIT_VECTOR(car->body->xyz, 0, 0, 0, 1);
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62 INIT_VECTOR(car->body->angle, 0, 0, 0, 1);
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63
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64 ps2util_obj_Renew_transMatrix(car->body);
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65 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 #ifdef DEBUG
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74 fprintf(main_fp, "malloc car addr = %x\n", (int)free_addr);
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75 #endif
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76
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77 return car;
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78 }
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79
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80 static CarPtr
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81 car_new_readCSV(FILE *fp, int id)
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82 {
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83 CarPtr new;
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84 int car_id;
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85 float speed_accel, speed_max, brake, rot;
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86 char buff[BUFSIZE], *bufp;
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87 char carImg[BUFSIZE], texImg[BUFSIZE];
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88 Bool flag;
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89
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90 flag = FALSE;
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91
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92 while ((bufp = fgets(buff, BUFSIZE, fp)) != NULL) {
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93 bufp++;
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94
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95 switch (buff[0]) {
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96 case 'n':
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97 if (flag == FALSE) {
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98 sscanf(bufp, " %d\n", &car_id);
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99 if (id == car_id) {
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100 flag = TRUE;
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101 }
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102 }
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103 break;
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104 case 't':
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105 if (flag == TRUE) {
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106 sscanf(bufp, " %s %s %f %f %f %f\n",
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107 carImg, texImg, &speed_accel, &speed_max, &rot, &brake);
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108 new = car_create(id, carImg, texImg,
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109 speed_accel, speed_max, rot, brake);
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110 return new;
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111 }
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112 break;
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113 default:
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114 break;
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115 }
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116 }
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117
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118 /* $B$3$3$^$GC)$jCe$$$?$iFI$_9~$_<:GT(B */
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119 fprintf(main_fp, "error - car_new_readCSV\n");
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120 exit(EXIT_FAILURE);
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121 }
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122
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123 CarPtr
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124 car_init(int id)
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125 {
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126 CarPtr new;
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127 FILE *fp;
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128 char *filename = "car/car.dat";
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129
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130 if (!(fp = fopen(filename, "r"))) {
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131 fprintf(main_fp, "error read file %s\n", filename);
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132 exit(EXIT_FAILURE);
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133 }
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134 new = car_new_readCSV(fp, id);
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135 fclose(fp);
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136
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137 return new;
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138 }
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139
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140 /*---------------------------
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141 car$B$r(BY$B<4$G2sE>$5$;$k(B
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142 flg: $B2sE>J}8~(B 1:$B1&(B, -1:$B:8(B
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143 ---------------------------*/
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144 void
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145 car_swerve(CarPtr car, int flg)
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146 {
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147 FMATRIX rot;
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148 FVECTOR v;
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149
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150 car->y_angle += (float)flg*car->rotation_angle;
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151 car->y_angle += (car->y_angle < 0) ? 360.0 : 0;
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152 car->y_angle += (car->y_angle > 360.0) ? -360.0 : 0;
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153
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154 ps2_vu0_unit_matrix(rot);
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155 ps2_vu0_rot_matrix_y(rot, rot, degree2radian((float)flg*car->rotation_angle));
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156 ps2_vu0_copy_vector(v, car->direction);
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157 ps2_vu0_apply_matrix(car->direction, rot, v);
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158 }
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159
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160 /*----------------------------
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161 car$B$r2CB.!&8:B.$9$k(B
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162 (flg == 1) ? $B2CB.(B : $B8:B.(B
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163 ---------------------------*/
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164 void
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165 car_accelerate(CarPtr car, int flg)
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166 {
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167 car->speed += (flg == 1) ? car->speed_accel : -car->brake;
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168 car->speed = (car->speed < 0) ? 0 : car->speed;
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169 car->speed = (car->speed > car->speed_max) ? car->speed_max : car->speed;
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170 }
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171
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172
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173 /*---------------------------------
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174 $B?J9T8e$N(Bcar$B$KBP$7$F%3!<%9LL$NFb30H=Dj$r9T$$!"(B
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175 : $B8=:_$N%3!<%9(B
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176 : $B8=:_$N%3!<%9$N<!$N%3!<%9(B
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177 : $B8=:_$N%3!<%9$NA0$N%3!<%9(B
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178 $B$KB8:_$9$l$P(BTRUE$B$rJV$9(B
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179 $B$I$N%3!<%9$K$b5o$J$$(B($BJI$K>WFM$7$?(B)$B>l9g$O(B
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180 FALSE$B$rJV$9!#(B
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181 ---------------------------------*/
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182 static Bool
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183 car_field_check(CarPtr car)
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184 {
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185 FieldPtr p;
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186 FieldPtr f = field_get_actual();
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187
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188 // $B8=:_$N%3!<%9$G>WFM!&Fb30H=Dj(B
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189 p = f;
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190 if (col_detect(&p->colface, car->vertical, car->location) == TRUE) {
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191 goto FIELD_CHECK_OK;
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192 }
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193
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194 // $B8=:_$N%3!<%9$N<!$KNY@\$9$k%3!<%9$G>WFM!&Fb30H=Dj(B
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195 p = f->next;
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196 if (col_detect(&p->colface, car->vertical, car->location) == TRUE) {
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197 if (field_rap_increment(1)) {
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198 game.rap++;
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199 }
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200 goto FIELD_CHECK_OK;
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201 }
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202
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203 // $B8=:_$N%3!<%9$NA0$KNY@\$9$k%3!<%9$G>WFM!&Fb30H=Dj(B
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204 p = f->prev;
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205 if (col_detect(&p->colface, car->vertical, car->location) == TRUE) {
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206 field_rap_increment(-1);
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207 goto FIELD_CHECK_OK;
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208 }
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209
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210 // $B$I$N%3!<%9>e$K$b5o$J$$(B($BJI$K>WFM(B)
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211 return FALSE;
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212
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213 FIELD_CHECK_OK:
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214 field_set_actual(p);
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215 return TRUE;
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216 }
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217
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218
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219 /*------------------------------
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220 $BB.EY(Bspeed$B$H8~$-(Bdirection$B$+$i(B
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221 $B?J9T8e$N0LCV(Blocation$B$r5a$a$k!#(B
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222 $B$^$?!"?J9T8e$N>WFMH=Dj$b9T$&!#(B
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223 ------------------------------*/
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224 static void
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225 car_move(CarPtr car)
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226 {
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227 FVECTOR mov, prev_location;
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228
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229 ps2_vu0_scale_vector(mov, car->direction, car->speed);
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230 ps2_vu0_copy_vector(prev_location, car->location);
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231 ps2_vu0_add_vector(car->location, car->location, mov);
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232
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233 if (car_field_check(car) == FALSE) {
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234 ps2_vu0_copy_vector(car->location, prev_location);
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235 car->speed = car->speed*0.5;
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236 }
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237 }
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238
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239
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240 static void
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241 car_axis_rotation(CarPtr car)
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242 {
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243 FMATRIX pose, yrot, yrotinv;
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244
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245 ps2_vu0_unit_matrix(yrot);
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246 ps2_vu0_rot_matrix_y(yrot, yrot, -degree2radian(car->y_angle));
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247 ps2_vu0_unit_matrix(yrotinv);
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248 ps2_vu0_rot_matrix_y(yrotinv, yrotinv, degree2radian(car->y_angle));
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249
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250 {
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251 FVECTOR yd = {0, -1, 0, 1};
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252 FVECTOR rotaxis;
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253 FVECTOR q;
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254
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255 ps2_vu0_outer_product(rotaxis, car->vertical, yd);
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256 {
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257 float scale=1/NORM(rotaxis);
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258 rotaxis[0] *= scale;
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259 rotaxis[1] *= scale;
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260 rotaxis[2] *= scale;
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261 }
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262
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263 quotanion(q, rotaxis, acos(ps2_vu0_inner_product(yd, car->vertical)/(NORM(yd)*NORM(car->vertical))));
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264 quotanion_rotmatrix(pose, q);
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265 }
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266
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267 ps2_vu0_mul_matrix(pose, yrot, pose);
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268 ps2_vu0_mul_matrix(pose, pose, yrotinv);
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269 ps2_vu0_copy_matrix(car->body->transfer, pose);
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270 ps2_vu0_rot_matrix_y(car->body->transfer, car->body->transfer,
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271 degree2radian(car->y_angle));
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272 }
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273
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274 void
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275 car_update(CarPtr car)
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276 {
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277 // $B0\F0(B
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278 car_move(car);
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279
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280 // $BK`;$$K$h$kB.EY8:>/(B
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281 car->speed -= 0.005;
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282 car->speed = (car->speed < 0) ? 0 : car->speed;
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283
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284 // $B79$-(B
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285 car_axis_rotation(car);
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286 }
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287
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288 void
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289 car_destroy(CarPtr p)
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290 {
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291 TEXTURE *t;
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292
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293 if ((t = p->body->surfaces->texture)) {
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294 ps2util_tex_Exclude(t);
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295 free_texture(t);
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296 }
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297 ps2util_obj_Free(p->body);
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298 free(p->free_addr);
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299
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300 #ifdef DEBUG
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301 fprintf(main_fp, "free car addr = %x\n", (int)p->free_addr);
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302 #endif
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303 }
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