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25 | /* This file contains animation related code. */ |
25 | /* This file contains animation related code. */ |
26 | |
26 | |
27 | #include <global.h> |
27 | #include <global.h> |
28 | #include <stdio.h> |
28 | #include <stdio.h> |
29 | |
29 | |
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30 | animhash_t animhash; |
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31 | std::vector<animation> animations; |
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32 | |
30 | void |
33 | void |
31 | free_all_anim (void) |
34 | animation::resize (int new_size) |
32 | { |
35 | { |
33 | for (int i = 0; i <= num_animations; i++) |
36 | sfree <faceidx> (faces, num_animations); |
34 | { |
37 | num_animations = new_size; |
35 | animations[i].name = 0; |
38 | faces = salloc<faceidx> (num_animations); |
36 | free (animations[i].faces); |
39 | } |
37 | } |
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38 | |
40 | |
39 | animations.clear (); |
41 | animation & |
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42 | animation::create (const char *name, uint8 frames, uint8 facings) |
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43 | { |
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44 | if (animations.size () == MAXANIMNUM) |
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45 | cleanup ("trying to create new animation, but MAXANIMNUM animations in use."); |
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46 | |
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47 | animations.push_back (animation ()); |
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48 | animation &anim = animations.back (); |
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49 | |
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50 | anim.number = animations.size () - 1; |
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51 | anim.name = name; |
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52 | anim.num_animations = frames; |
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53 | anim.facings = facings; |
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54 | anim.faces = salloc<faceidx> (frames); |
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55 | |
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56 | animhash.insert (std::make_pair (anim.name, anim.number)); |
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57 | |
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58 | return anim; |
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59 | } |
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60 | |
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61 | animation & |
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62 | animation::find (const char *name) |
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63 | { |
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64 | if (!name) |
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65 | return animations [0]; |
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66 | |
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67 | animhash_t::iterator i = animhash.find (name); |
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68 | return animations [i == animhash.end () ? 0 : i->second]; |
40 | } |
69 | } |
41 | |
70 | |
42 | void |
71 | void |
43 | init_anim (void) |
72 | init_anim (void) |
44 | { |
73 | { |
45 | char buf[MAX_BUF]; |
74 | animation &anim0 = animation::create ("none", 1, 0); |
46 | FILE * fp; |
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47 | static int anim_init = 0; |
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48 | int num_frames = 0, faces[MAX_ANIMATIONS], i; |
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49 | |
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50 | if (anim_init) |
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51 | return; |
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52 | |
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53 | num_animations = 0; |
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54 | /* Make a default. New animations start at one, so if something |
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55 | * thinks it is animated but hasn't set the animation_id properly, |
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56 | * it will have a default value that should be pretty obvious. |
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57 | */ |
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58 | /* set the name so we don't try to dereferance null. |
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59 | * Put # at start so it will be first in alphabetical |
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60 | * order. |
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61 | */ |
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62 | { |
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63 | animation anim0; |
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64 | |
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65 | anim0.name = "###none"; |
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66 | anim0.num_animations = 1; |
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67 | anim0.faces = (uint16 *)malloc (sizeof (uint16)); |
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68 | anim0.faces[0] = 0; |
75 | anim0.faces [0] = 0; |
69 | anim0.facings = 0; |
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70 | |
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71 | animations.push_back (anim0); |
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72 | } |
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73 | |
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74 | sprintf (buf, "%s/animations", settings.datadir); |
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75 | LOG (llevDebug, "Reading animations from %s...\n", buf); |
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76 | |
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77 | if ((fp = fopen (buf, "r")) == NULL) |
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78 | { |
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79 | LOG (llevError, "Cannot open animations file %s: %s\n", buf, strerror (errno)); |
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80 | exit (-1); |
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81 | } |
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82 | |
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83 | while (fgets (buf, MAX_BUF - 1, fp) != NULL) |
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84 | { |
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85 | if (*buf == '#') |
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86 | continue; |
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87 | |
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88 | /* Kill the newline */ |
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89 | buf[strlen (buf) - 1] = '\0'; |
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90 | if (!strncmp (buf, "anim ", 5)) |
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91 | { |
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92 | if (num_frames) |
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93 | { |
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94 | LOG (llevError, "Didn't get a mina before %s\n", buf); |
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95 | num_frames = 0; |
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96 | } |
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97 | |
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98 | num_animations++; |
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99 | |
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100 | animation anim; |
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101 | |
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102 | anim.name = buf + 5; |
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103 | anim.num = num_animations; /* for bsearch */ |
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104 | anim.facings = 1; |
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105 | animations.push_back (anim); |
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106 | } |
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107 | else if (!strncmp (buf, "mina", 4)) |
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108 | { |
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109 | animations[num_animations].faces = (uint16 *) malloc (sizeof (uint16) * num_frames); |
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110 | |
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111 | for (i = 0; i < num_frames; i++) |
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112 | animations[num_animations].faces[i] = faces[i]; |
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113 | |
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114 | animations[num_animations].num_animations = num_frames; |
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115 | if (num_frames % animations[num_animations].facings) |
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116 | LOG (llevDebug, "Animation %s frame numbers (%d) is not a multiple of facings (%d)\n", |
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117 | &animations[num_animations].name, num_frames, animations[num_animations].facings); |
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118 | |
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119 | num_frames = 0; |
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120 | } |
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121 | else if (!strncmp (buf, "facings ", 8)) |
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122 | { |
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123 | if (!(animations[num_animations].facings = atoi (buf + 8))) |
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124 | { |
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125 | LOG (llevDebug, "Animation %s has 0 facings, line=%s\n", &animations[num_animations].name, buf); |
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126 | animations[num_animations].facings = 1; |
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127 | } |
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128 | |
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129 | } |
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130 | else |
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131 | { |
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132 | if (!(faces[num_frames++] = face_find (buf))) |
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133 | LOG (llevDebug, "Could not find face %s for animation %s\n", buf, &animations[num_animations].name); |
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134 | } |
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135 | } |
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136 | |
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137 | fclose (fp); |
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138 | LOG (llevDebug, "done. got (%d)\n", num_animations); |
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139 | } |
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140 | |
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141 | static int |
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142 | anim_compare (const animation *a, const animation *b) |
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143 | { |
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144 | return std::strcmp (a->name, b->name); |
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145 | } |
76 | } |
146 | |
77 | |
147 | /* Tries to find the animation id that matches name. Returns an integer match |
78 | /* Tries to find the animation id that matches name. Returns an integer match |
148 | * 0 if no match found (animation 0 is initialised as the 'bug' face |
79 | * 0 if no match found (animation 0 is initialised as the 'bug' face |
149 | */ |
80 | */ |
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81 | //TODO: nuke this function and replace all occurences by animations::find |
150 | int |
82 | int |
151 | find_animation (const char *name) |
83 | find_animation (const char *name) |
152 | { |
84 | { |
153 | animation search, *match; |
85 | return animation::find (name).number; |
154 | |
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155 | search.name = name; |
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156 | |
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157 | match = (animation *) bsearch (&search, &animations[0], (num_animations + 1), |
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158 | sizeof (animation), (int (*)(const void *, const void *)) anim_compare); |
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159 | |
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160 | |
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161 | if (match) |
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162 | return match->num; |
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163 | |
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164 | LOG (llevError, "Unable to find animation %s\n", name); |
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165 | |
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166 | return 0; |
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167 | } |
86 | } |
168 | |
87 | |
169 | /* |
88 | /* |
170 | * animate_object(object) updates the face-variable of an object. |
89 | * animate_object(object) updates the face-variable of an object. |
171 | * If the object is the head of a multi-object, all objects are animated. |
90 | * If the object is the head of a multi-object, all objects are animated. |
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270 | * piece, and not for the other tail pieces. |
189 | * piece, and not for the other tail pieces. |
271 | */ |
190 | */ |
272 | if (!op->head) |
191 | if (!op->head) |
273 | update_object (op, UP_OBJ_FACE); |
192 | update_object (op, UP_OBJ_FACE); |
274 | } |
193 | } |
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194 | |