1 #include "demo.h" |
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2 #include "logging.h" |
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3 |
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4 #include <stdbool.h> |
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5 #include <stdio.h> |
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6 #include <string.h> |
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7 |
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8 static int demo_record(flib_vector demoBuffer, const void *data, size_t len) { |
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9 if(flib_vector_append(demoBuffer, data, len) < len) { |
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10 flib_log_e("Error recording demo: Out of memory."); |
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11 return -1; |
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12 } else { |
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13 return 0; |
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14 } |
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15 } |
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16 |
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17 int flib_demo_record_from_engine(flib_vector demoBuffer, const uint8_t *message, const char *playerName) { |
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18 if(!demoBuffer || !message || !playerName) { |
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19 flib_log_e("Call to flib_demo_record_from_engine with demoBuffer==null or message==null or playerName==null"); |
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20 return -1; |
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21 } |
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22 |
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23 if(strchr("?CEiQqHb", message[1])) { |
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24 return 0; // Those message types are not recorded in a demo. |
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25 } |
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26 |
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27 if(message[1] == 's') { |
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28 if(message[0] >= 3) { |
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29 // Chat messages are reformatted to make them look as if they were received, not sent. |
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30 // Get the actual chat message as C string |
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31 char chatMsg[256]; |
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32 memcpy(chatMsg, message+2, message[0]-3); |
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33 chatMsg[message[0]-3] = 0; |
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34 |
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35 // If the message starts with /me, it will be displayed differently. |
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36 char converted[257]; |
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37 bool memessage = message[0] >= 7 && !memcmp(message+2, "/me ", 4); |
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38 const char *template = memessage ? "s\x02* %s %s " : "s\x01%s: %s "; |
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39 int size = snprintf(converted+1, 256, template, playerName, chatMsg); |
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40 converted[0] = size>255 ? 255 : size; |
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41 return demo_record(demoBuffer, converted, converted[0]+1); |
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42 } else { |
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43 return 0; // Malformed chat message is no reason to abort... |
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44 } |
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45 } else { |
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46 return demo_record(demoBuffer, message, message[0]+1); |
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47 } |
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48 } |
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49 |
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50 int flib_demo_record_to_engine(flib_vector demoBuffer, const uint8_t *message, size_t len) { |
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51 if(!demoBuffer || (len>0 && !message)) { |
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52 flib_log_e("Call to flib_demo_record_to_engine with demoBuffer==null or message==null"); |
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53 return -1; |
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54 } |
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55 return demo_record(demoBuffer, message, len); |
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56 } |
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57 |
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58 void flib_demo_replace_gamemode(flib_buffer buf, char gamemode) { |
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59 size_t msgStart = 0; |
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60 char *data = (char*)buf.data; |
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61 while(msgStart+2 < buf.size) { |
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62 if(!memcmp(data+msgStart, "\x02T", 2)) { |
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63 data[msgStart+2] = gamemode; |
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64 } |
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65 msgStart += (uint8_t)data[msgStart]+1; |
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66 } |
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67 } |
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