vhook/chat/chat.c

   1 #include <SDL/SDL_endian.h>
   2 #include <stdio.h>
   3
   4 #include <stdlib.h>
   5 #include "chat.h"
   6 #include "../mydef.h"
   7 #include "../nicodef.h"
   8
   9 int initChat(FILE* log,CHAT* chat,const char* file_path,CHAT_SLOT* slot,int video_length){
  10         int i;
  11         int max_no = INTEGER_MIN;
  12         int min_no = INTEGER_MAX;
  13         int max_item;
  14         chat->slot = slot;
  15         FILE* com_f = fopen(file_path,"rb");
  16         if(com_f == NULL){
  17                 fputs("[chat/init]failed to open comment file.\n",log);
  18                 return FALSE;
  19         }
  20         /*要素数の取得*/
  21         if(fread(&max_item,sizeof(max_item),1,com_f) <= 0){
  22                 fputs("[chat/init]failed to read the number of comments.\n",log);
  23                 return FALSE;
  24         }
  25         max_item = SDL_SwapLE32(max_item);
  26         fprintf(log,"[chat/init]%d comments.\n",max_item);
  27         chat->max_item = max_item;
  28         //アイテム配列の確保
  29         chat->item = malloc(sizeof(CHAT_ITEM) * max_item);
  30         if(chat->item == NULL){
  31                 fputs("[chat/init]failed to malloc for comment.\n",log);
  32                 return FALSE;
  33         }
  34         /*個別要素の初期化*/
  35         CHAT_ITEM* item;
  36         int no;
  37         int vpos;
  38         int location;
  39         int size;
  40         int color;
  41         int str_length;
  42         Uint16* str;
  43         for(i=0;i<max_item;i++){
  44                 item = &chat->item[i];
  45                 item->chat = chat;
  46                 item->showed = FALSE;
  47                 //コメント番号
  48                 if(fread(&no,sizeof(no),1,com_f) <= 0){
  49                         fputs("[chat/init]failed to read comment number.\n",log);
  50                         return FALSE;
  51                 }
  52                 no = SDL_SwapLE32(no);
  53                 max_no = MAX(max_no,no);
  54                 min_no = MIN(min_no,no);
  55                 //vpos
  56                 if(fread(&vpos,sizeof(vpos),1,com_f) <= 0){
  57                         fputs("[chat/init]failed to read comment vpos.\n",log);
  58                         return FALSE;
  59                 }
  60                 vpos = SDL_SwapLE32(vpos);
  61                 //文字の場所
  62                 if(fread(&location,sizeof(location),1,com_f) <= 0){
  63                         fputs("[chat/init]failed to read comment location.\n",log);
  64                         return FALSE;
  65                 }
  66                 location = SDL_SwapLE32(location);
  67                 //サイズ
  68                 if(fread(&size,sizeof(size),1,com_f) <= 0){
  69                         fputs("[chat/init]failed to read comment size.\n",log);
  70                         return FALSE;
  71                 }
  72                 size = SDL_SwapLE32(size);
  73                 //色
  74                 if(fread(&color,sizeof(color),1,com_f) <= 0){
  75                         fputs("[chat/init]failed to read comment color.\n",log);
  76                         return FALSE;
  77                 }
  78                 color = SDL_SwapLE32(color);
  79                 //文字数
  80                 if(fread(&str_length,sizeof(str_length),1,com_f) <= 0){
  81                         fputs("[chat/init]failed to read comment length.\n",log);
  82                         return FALSE;
  83                 }
  84                 str_length = SDL_SwapLE32(str_length);
  85                 //文字列
  86                 str = malloc(str_length);
  87                 if(str == NULL){
  88                         fputs("[chat/init]failed to malloc for comment text.\n",log);
  89                         return FALSE;
  90                 }
  91                 if(fread(str,str_length,1,com_f) <= 0){
  92                         fputs("[chat/init]failed to read comment text.\n",log);
  93                         return FALSE;
  94                 }
  95                 //変数セット
  96                 item->no = no;
  97                 item->vpos = vpos;
  98                 item->location = location;
  99                 item->size = size;
 100                 item->color = color;
 101                 item->str = str;
 102                 /*内部処理より*/
 103                 if(location != CMD_LOC_DEF){
 104                         item->vstart = vpos;
 105                         item->vend = vpos + TEXT_SHOW_SEC - TEXT_AHEAD_SEC;
 106                 }else{
 107                         item->vstart = vpos - TEXT_AHEAD_SEC;
 108                         item->vend = item->vstart + TEXT_SHOW_SEC;
 109                 }
 110                 int fix = item->vend - video_length;
 111                 if(fix > 0){
 112                         item->vend -= fix;
 113                         item->vpos -= fix;
 114                         item->vstart -= fix;
 115                         fprintf(log,"[chat/fix]comment %d time adjusted.\n",i);
 116                 }
 117                 /*内部処理より　おわり*/
 118         }
 119         fclose(com_f);
 120         chat->max_no = max_no;
 121         chat->min_no = min_no;
 122         return TRUE;
 123 }
 124
 125 void closeChat(CHAT* chat){
 126         int i;
 127         int max_item = chat->max_item;
 128         for(i=0;i<max_item;i++){
 129                 free((void*)chat->item[i].str);
 130         }
 131         free(chat->item);
 132 }
 133
 134 /*
 135  * イテレータをリセットする。
 136  */
 137 void resetChatIterator(CHAT* chat){
 138         chat->iterator_index = 0;
 139 }
 140 /*
 141  * イテレータを得る
 142  */
 143 CHAT_ITEM* getChatShowed(CHAT* chat,int now_vpos){
 144         int *i = &chat->iterator_index;
 145         int max_item = chat->max_item;
 146         CHAT_ITEM* item;
 147         for(;*i<max_item;(*i)++){
 148                 item = &chat->item[*i];
 149                 if(now_vpos >= item->vstart && now_vpos <= item->vend && !item->showed){
 150                         return item;
 151                 }
 152         }
 153         return NULL;
 154 }