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Merging Alpha 0.5 to add the license as the repo is going public.

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Barry Kane 2023-02-19 11:32:57 +00:00
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GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
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#+LATEX_HEADER: \RequirePackage[left=0.3in,top=0.3in,right=0.3in,bottom=0.3in, a4paper]{geometry}
* SilverMUD: The Hackable Terminal-Top Roleplaying Game.
SilverMUD is a tool for creating engaging and communal stories, all over the
world through the internet. It's designed to give a gamemaster the same power
to improvise that they have at the table, through simple programming and
easy-to-understand structures.
* Player's Guide
** Running The Client
*** How To Connect To A Server:
To connect to a server, use the command-line option =-i=, and the IP address of
the server. If the server admin is hosting the server on a port other than the
default port of 5000, you can use the =-p= option with the number of the port. If
the connection is successful, you will be placed in the server's login
area. Type =/join <player name>=, where player name is a name of your choosing,
and you will be placed in the spawn area, ready to play.
*** Other Launch Options:
** The Basic Commands
SilverMUD is played through a set of very simple commands. To use a command,
type a forward-slash (/) followed immediately by the command name. The command
can be upper or lower-case.
| Command | Arguments | Effect |
|---------+------------------------------------------+---------------------------------------------------------|
| JOIN | Character Name | Logs you into the server with the given character name. |
| MOVE | Path Name/Path Number | Moves you down the given path. |
| LOOK | None | Describes the current area. |
| STAT | None | Displays your current status and character sheet. |
| SPEC | Core Stat Name | Allows you to apply spec points to a given stat. |
| TRY | Core Stat Name/Skill Name, Object Number | Attempt to use the given stat or skill on the object. |
* Gamemaster's Guide
** Running the Server:
* Developer's Guide
** Build Prerequisites:
SilverMUD has the following dependencies:
- GnuTLS
- ncurses
** C Style Guide:
These rules attempt to make the program as visually clear as possible, while
some rules may be made based on my own personal tastes.
- () :: These are parentheses.
- [] :: These are brackets.
- {} :: These are braces.
*** Formatting:
**** Control Statements:
- A space should be between the keyword and the condition. This is to make
control statements visually distinct from function calls.
- Opening braces should be on the line after the control statement, and closing
braces on the line after the last statement, on it's own. This is to make the
scope of the control statement easily identifiable.
- else and else if should always be on a new line, not the same line as an if
statement's closing brace. This is to more easily distinguish the seperate
blocks.
- Control statements should never omit braces and do single statements. This is
mostly personal preference, but I do think it makes things more clear.
*** Naming:
**** Rule 0: NEVER USE i AND j!
Never use the variable names i and j. These are easy to confuse, and often make
nested loops awful to read. Name these more descriptively.
For example:
- If you are using a variable to index an array, name the variable index.
- If you are indexing multiple arrays, name it "array name + Index".
- If you are using it to count something, call it count, or "name of the
thing you are counting + count".
**** Rule 1: No one letter variable names, unless in a mathematical function.
You should never use one letter variable names. They're needlessly obtuse and
you will not remember their meaning upon re-reading of the source code. The
exception to this is when you are writing a function which replicates a
mathematical formula or function with commonly accepted notation. However, you
should consider if it would be better to break mathematical convention for
clarity inside the program, such as when the variable names are the first letter
of a word or the mathematical notation uses many similar looking variables.
**** Rule 2: Prefer to use full words in variable and function names:
You should always prefer to use full words in variable and function names. It
makes the source code much easier to read, like a sentence. Ideally, if you want
to shorten the name, use synonyms or rephrasing before you resort to removing
letters.
*** Comments:

726
src/gamelogic.c
View File

@ -108,7 +108,7 @@ void queueMessagedCommand(queue * queue, inputMessage * messageToQueue)
// Copy the command and arguments to the new commandEvent: // Copy the command and arguments to the new commandEvent:
memcpy(newCommand->command, &messageToQueue->content->messageContent[1], 16); memcpy(newCommand->command, &messageToQueue->content->messageContent[1], 16);
memcpy(newCommand->arguments, &messageToQueue->content->messageContent[strlen(newCommand->command) + 2], memcpy(newCommand->arguments, &messageToQueue->content->messageContent[strlen(newCommand->command) + 2],
MAX - (strlen(newCommand->command) + 2)); MAX - (strlen(newCommand->command) + 2));
// Ensure the arguments are safe to parse, without adding newlines: // Ensure the arguments are safe to parse, without adding newlines:
userNameSanatize(newCommand->command, 16); userNameSanatize(newCommand->command, 16);
@ -158,213 +158,349 @@ int evaluateNextCommand(gameLogicParameters * parameters, queue * queue)
{ {
return -1; return -1;
} }
// Try command: Attempt to use a stat or skill on an object:
if (strncmp(currentCommand->command, "try", 3) == 0) // Hash the command and execute the relevant functionality:
switch (hashCommand(currentCommand->command, strlen(currentCommand->command)))
{ {
userMessage * tryMessage = malloc(sizeof(userMessage)); // Look command: Returns the description of the current area and paths:
tryMessage->senderName[0] = '\0'; case 5626697:
// Temporary message until we can implement objects, events, and challenges.
strcpy(tryMessage->messageContent, "The try command is currently not implemented. Implement it if you want to use it.\n");
// Allocate an outputMessage for the queue:
outputMessage * tryOutputMessage = createTargetedOutputMessage(tryMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, tryOutputMessage, OUTPUT_MESSAGE);
// Free the userMessage:
free(tryMessage);
}
// Exit command: Sends an "empty" exit message to disconnect a client:
if (strncmp(currentCommand->command, "exit", 4) == 0)
{
// Allocate a userMessage containing null characters as the first char in both fields:
userMessage * exitMessage = malloc(sizeof(userMessage));
exitMessage->senderName[0] = '\0';
exitMessage->messageContent[0] = '\0';
// Allocate an outputMessage for the queue:
outputMessage * exitOutputMessage = createTargetedOutputMessage(exitMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, exitOutputMessage, OUTPUT_MESSAGE);
// Free the userMessage
free(exitMessage);
}
// Move command: Moves the caller to a different area given a path name or number:
if (strncmp(currentCommand->command, "move", 4) == 0)
{
char requestedPath[32];
if (strlen(currentCommand->arguments) > 0 && currentCommand->caller->currentArea != getFromList(parameters->areaList, 0)->area)
{ {
memcpy(requestedPath, currentCommand->arguments, 32); char formattedString[64];
userNameSanatize(requestedPath, 32); userMessage * lookMessage = calloc(1, sizeof(userMessage));
requestedPath[31] = '\0'; lookMessage->senderName[0] = '\0';
if (movePlayerToArea(currentCommand->caller, requestedPath) == 0) strncat(lookMessage->messageContent, currentCommand->caller->currentArea->areaName, 33);
{ strncat(lookMessage->messageContent, "\n", 2);
// Call the look command after moving. It's fine to unlock, because the loop won't strncat(lookMessage->messageContent, currentCommand->caller->currentArea->areaDescription, MAX - 35);
// continue until the command is queued:
queue->lock = false;
queueCommand(queue, "look", "", 5, 0, currentCommand->caller);
queue->lock = true;
}
}
}
// Look command: Returns the description of the current area and paths: // Allocate an outputMessage for the queue:
if (strncmp(currentCommand->command, "look", 4) == 0) outputMessage * lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
{
char formattedString[64];
userMessage * lookMessage = calloc(1, sizeof(userMessage));
lookMessage->senderName[0] = '\0';
strncat(lookMessage->messageContent, currentCommand->caller->currentArea->areaName, 33);
strncat(lookMessage->messageContent, "\n", 2);
strncat(lookMessage->messageContent, currentCommand->caller->currentArea->areaDescription, MAX - 35);
// Allocate an outputMessage for the queue:
outputMessage * lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE);
//queueTargetedOutputMessage(parameters->outputQueue, lookMessage, &currentCommand->caller, 1);
bzero(lookMessage, sizeof(userMessage));
// Loop through the paths and send the appropriate amount of messages:
int charCount = 13;
strncat(lookMessage->messageContent, "You can go:", 13);
if (currentCommand->caller->currentArea->pathList->itemCount > 0)
{
for(size_t index = 0; index < currentCommand->caller->currentArea->pathList->itemCount; index++)
{
if ((charCount + 64) >= MAX)
{
lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE);
bzero(lookMessage, sizeof(userMessage));
charCount = 0;
}
snprintf(formattedString, 64, "\n\t%ld. %s", index + 1,
getFromList(currentCommand->caller->currentArea->pathList, index)->path->pathName);
strncat(lookMessage->messageContent, formattedString, 64);
charCount += 64;
}
// Allocate another outputMessage for the queue:
lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
// Queue the outputMessage: // Queue the outputMessage:
pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE); pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE);
}
free(lookMessage); //queueTargetedOutputMessage(parameters->outputQueue, lookMessage, &currentCommand->caller, 1);
} bzero(lookMessage, sizeof(userMessage));
// Join command: Allows the player to join the game given a name:
// TODO: Implement login/character creation. Will be a while: // Loop through the paths and send the appropriate amount of messages:
if (strncmp(currentCommand->command, "join", 4) == 0) int charCount = 13;
{ strncat(lookMessage->messageContent, "You can go:", 13);
if (currentCommand->caller->currentArea == getFromList(parameters->areaList, 0)->area)
{ if (currentCommand->caller->currentArea->pathList->itemCount > 0)
bool validName = true;
for(int index = 0; index < *parameters->playerCount; index++)
{ {
if (currentCommand->arguments[0] == '\0') for(size_t index = 0; index < currentCommand->caller->currentArea->pathList->itemCount; index++)
{ {
validName = false; if ((charCount + 64) >= MAX)
{
lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE);
bzero(lookMessage, sizeof(userMessage));
charCount = 0;
}
snprintf(formattedString, 64, "\n\t%ld. %s", index + 1,
getFromList(currentCommand->caller->currentArea->pathList, index)->path->pathName);
strncat(lookMessage->messageContent, formattedString, 64);
charCount += 64;
} }
if (strncmp(currentCommand->arguments, parameters->connectedPlayers[index].playerName, 16) == 0) // Allocate another outputMessage for the queue:
lookOutputMessage = createTargetedOutputMessage(lookMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, lookOutputMessage, OUTPUT_MESSAGE);
}
free(lookMessage);
break;
}
// Stat command: Displays the current character's sheet.
case 5987604:
{
char * formattedString = calloc(121, sizeof(char));
userMessage * statMessage = calloc(1, sizeof(userMessage));
statMessage->senderName[0] = '\0';
// Basic status: Name, level, location.
snprintf(formattedString, 120, "%s, Level %d | %s\n", currentCommand->caller->playerName,
currentCommand->caller->stats->level, currentCommand->caller->currentArea->areaName);
strncat(statMessage->messageContent, formattedString, 120);
// Current stats: Health and WISED.
snprintf(formattedString, 120,
"Health: %d/%d\nStats:\n\tWits: %2d | Intellect: %2d | Strength: %2d | Endurance: %2d | Dexerity: %2d \n",
currentCommand->caller->stats->currentHealth, currentCommand->caller->stats->maxHealth,
currentCommand->caller->stats->wits, currentCommand->caller->stats->intellect,
currentCommand->caller->stats->strength, currentCommand->caller->stats->endurance,
currentCommand->caller->stats->dexerity);
strncat(statMessage->messageContent, formattedString, 120);
// Levelling stats: Current XP, and spec points.
if (currentCommand->caller->stats->specPoints > 0 || currentCommand->caller->stats->skillPoints > 0)
{
snprintf(formattedString, 120, "Current Experience: %ld | Spec Points Available: %d | Skill Points Available: %d",
currentCommand->caller->stats->experience, currentCommand->caller->stats->specPoints, currentCommand->caller->stats->skillPoints);
}
else
{
snprintf(formattedString, 120, "Current Experience: %ld", currentCommand->caller->stats->experience);
}
strncat(statMessage->messageContent, formattedString, 120);
// Allocate an outputMessage for the queue:
outputMessage * statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE);
bzero(statMessage->messageContent, sizeof(char) * MAX);
if (currentCommand->caller->skills->head != NULL)
{
size_t skillIndex = 0;
int charCount = 0;
bool addNewline = false;
playerSkill * skill;
while (skillIndex < currentCommand->caller->skills->itemCount)
{ {
validName = false; skill = getFromList(currentCommand->caller->skills, skillIndex)->skill;
skillIndex++;
snprintf(formattedString, 120, "| %2d | %31s ", skill->skillPoints, skill->skillName);
charCount += 43;
strncat(statMessage->messageContent, formattedString, 120);
if ((charCount + 43) >= MAX)
{
// Allocate an outputMessage for the queue:
statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE);
bzero(statMessage, sizeof(userMessage));
charCount = 0;
break;
}
else if (addNewline)
{
strncat(statMessage->messageContent, "|\n", 3);
charCount++;
addNewline = false;
}
else
{
addNewline = true;
}
}
// Allocate an outputMessage for the queue:
statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE);
}
free(statMessage);
free(formattedString);
break;
}
// Spec command: Assign spec points to stats:
case 5982259:
{
userMessage * specMessage = calloc(1, sizeof(userMessage));
specMessage->senderName[0] = '\0';
char * formattedString = calloc(121, sizeof(char));
if (currentCommand->caller->stats->specPoints > 0)
{
int selectedAmount = 0;
strtok(currentCommand->arguments, " ");
selectedAmount = atoi(&currentCommand->arguments[strlen(currentCommand->arguments) + 1]);
coreStat selectedStat = getCoreStatFromString(currentCommand->arguments, 16);
if (selectedAmount > 0 && (currentCommand->caller->stats->specPoints - selectedAmount) >= 0)
{
switch (selectedStat)
{
case WITS:
{
currentCommand->caller->stats->wits += selectedAmount;
strncat(specMessage->messageContent, "Increased wits.", 16);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case INTELLECT:
{
currentCommand->caller->stats->intellect += selectedAmount;
strncat(specMessage->messageContent, "Increased intellect.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case STRENGTH:
{
currentCommand->caller->stats->strength += selectedAmount;
strncat(specMessage->messageContent, "Increased strength.", 20);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case ENDURANCE:
{
currentCommand->caller->stats->endurance += selectedAmount;
strncat(specMessage->messageContent, "Increased endurance.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case DEXERITY:
{
currentCommand->caller->stats->dexerity += selectedAmount;
strncat(specMessage->messageContent, "Increased dexerity.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case INVALID:
{
strncat(specMessage->messageContent, "Invalid stat.", 21);
}
}
}
else
{
strncat(specMessage->messageContent, "You have entered an invalid amount of spec points.", 51);
} }
} }
if (validName) else
{ {
strncpy(currentCommand->caller->playerName, currentCommand->arguments, 16); strncat(specMessage->messageContent, "You have no spec points available.", 35);
currentCommand->caller->currentArea = getFromList(parameters->areaList, 1)->area;
// Call the look command after joining. It's fine to unlock, because the loop won't
// continue until the command is queued:
queue->lock = false;
queueCommand(queue, "look", "", 5, 0, currentCommand->caller);
queue->lock = true;
} }
// Allocate an outputMessage for the queue:
outputMessage * specOutputMessage = createTargetedOutputMessage(specMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, specOutputMessage, OUTPUT_MESSAGE);
// Show the new stat sheet:
queue->lock = false;
queueCommand(queue, "stat", "", 5, 0, currentCommand->caller);
queue->lock = true;
// Free the finished message:
free(specMessage);
free(formattedString);
break;
} }
}
// Talk command: Allows the player to begin a chat session with another player:
if (strncmp(currentCommand->command, "talk", 4) == 0)
{
// TODO: Implement.
}
// Stat command: Displays the current character's sheet.
if (strncmp(currentCommand->command, "stat", 4) == 0)
{
char * formattedString = calloc(121, sizeof(char));
userMessage * statMessage = calloc(1, sizeof(userMessage));
statMessage->senderName[0] = '\0';
// Basic status: Name, level, location.
snprintf(formattedString, 120, "%s, Level %d | %s\n", currentCommand->caller->playerName,
currentCommand->caller->stats->level, currentCommand->caller->currentArea->areaName);
strncat(statMessage->messageContent, formattedString, 120);
// Current stats: Health and WISED. // Try command: Attempt to use a stat or skill on an object:
snprintf(formattedString, 120, case 163143:
"Health: %d/%d\nStats:\n\tWits: %2d | Intellect: %2d | Strength: %2d | Endurance: %2d | Dexerity: %2d \n",
currentCommand->caller->stats->currentHealth, currentCommand->caller->stats->maxHealth,
currentCommand->caller->stats->wits, currentCommand->caller->stats->intellect,
currentCommand->caller->stats->strength, currentCommand->caller->stats->endurance,
currentCommand->caller->stats->dexerity);
strncat(statMessage->messageContent, formattedString, 120);
// Levelling stats: Current XP, and spec points.
if (currentCommand->caller->stats->specPoints > 0 || currentCommand->caller->stats->skillPoints > 0)
{ {
snprintf(formattedString, 120, "Current Experience: %ld | Spec Points Available: %d | Skill Points Available: %d", // Allocate the userMessage to send:
currentCommand->caller->stats->experience, currentCommand->caller->stats->specPoints, currentCommand->caller->stats->skillPoints); userMessage * tryMessage = malloc(sizeof(userMessage));
tryMessage->senderName[0] = '\0';
// Temporary message until we can implement objects, events, and challenges.
strcpy(tryMessage->messageContent, "The try command is currently not implemented. Implement it if you want to use it.\n");
// Allocate an outputMessage for the queue:
outputMessage * tryOutputMessage = createTargetedOutputMessage(tryMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, tryOutputMessage, OUTPUT_MESSAGE);
// Free the userMessage:
free(tryMessage);
break;
} }
else
// Move command: Moves the caller to a different area given a path name or number:
case 5677603:
{ {
snprintf(formattedString, 120, "Current Experience: %ld", currentCommand->caller->stats->experience); char requestedPath[32];
if (strlen(currentCommand->arguments) > 0 && currentCommand->caller->currentArea != getFromList(parameters->areaList, 0)->area)
{
memcpy(requestedPath, currentCommand->arguments, 32);
userNameSanatize(requestedPath, 32);
requestedPath[31] = '\0';
if (movePlayerToArea(currentCommand->caller, requestedPath) == 0)
{
// Call the look command after moving. It's fine to unlock, because the loop won't
// continue until the command is queued:
queue->lock = false;
queueCommand(queue, "look", "", 5, 0, currentCommand->caller);
queue->lock = true;
}
}
break;
} }
strncat(statMessage->messageContent, formattedString, 120);
// Allocate an outputMessage for the queue: // Skill command: Allows you to put skill points into skills:
outputMessage * statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1); case 221096235:
// Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE);
bzero(statMessage->messageContent, sizeof(char) * MAX);
if (currentCommand->caller->skills->head != NULL)
{ {
size_t skillIndex = 0; userMessage * skillMessage = calloc(1, sizeof(userMessage));
skillMessage->senderName[0] = '\0';
if ((currentCommand->caller->stats->skillPoints - 1) >= 0)
{
int returnValue = takeSkill(parameters->globalSkillList, currentCommand->arguments,
strlen(currentCommand->arguments), currentCommand->caller);
switch(returnValue)
{
case -1:
{
strcpy(skillMessage->messageContent, "Not a valid skill.");
break;
}
case 0:
{
strcpy(skillMessage->messageContent, "Took ");
strcat(skillMessage->messageContent, currentCommand->arguments);
strcat(skillMessage->messageContent, ".");
currentCommand->caller->stats->skillPoints--;
break;
}
}
}
else
{
strcpy(skillMessage->messageContent, "You don't have enough skill points to take this skill.\n");
}
// Allocate an outputMessage for the queue:
outputMessage * skillOutputMessage = createTargetedOutputMessage(skillMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, skillOutputMessage, OUTPUT_MESSAGE);
free(skillMessage);
break;
}
// Listskills commands: List all available skills on the server:
case 2395990522:
{
userMessage * listMessage = calloc(1, sizeof(userMessage));
char * formattedString = calloc(121, sizeof(char));
int charCount = 0; int charCount = 0;
size_t skillIndex = 0;
bool addNewline = false; bool addNewline = false;
playerSkill * skill; playerSkill * currentSkill;
while (skillIndex < currentCommand->caller->skills->itemCount) while (skillIndex < parameters->globalSkillList->itemCount)
{ {
skill = getFromList(currentCommand->caller->skills, skillIndex)->skill; currentSkill = getFromList(parameters->globalSkillList, skillIndex)->skill;
skillIndex++; snprintf(formattedString, 120, "| %-31s ", currentSkill->skillName);
snprintf(formattedString, 120, "| %2d | %31s ", skill->skillPoints, skill->skillName);
charCount += 43; charCount += 43;
strncat(statMessage->messageContent, formattedString, 120); strncat(listMessage->messageContent, formattedString, 120);
if ((charCount + 43) >= MAX) if ((charCount + 46) >= MAX)
{ {
// Allocate an outputMessage for the queue: // Allocate an outputMessage for the queue:
statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1); outputMessage * listOutputMessage = createTargetedOutputMessage(listMessage, &currentCommand->caller, 1);
// Queue the outputMessage: // Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE); pushQueue(parameters->outputQueue, listOutputMessage, OUTPUT_MESSAGE);
bzero(statMessage, sizeof(userMessage));
bzero(listMessage, sizeof(userMessage));
charCount = 0; charCount = 0;
break; addNewline = false;
} }
else if (addNewline) else if (addNewline)
{ {
strncat(statMessage->messageContent, "|\n", 3); strncat(listMessage->messageContent, "|\n", 3);
charCount++; charCount++;
addNewline = false; addNewline = false;
} }
@ -372,183 +508,92 @@ int evaluateNextCommand(gameLogicParameters * parameters, queue * queue)
{ {
addNewline = true; addNewline = true;
} }
skillIndex++;
} }
// Allocate an outputMessage for the queue: // Allocate an outputMessage for the queue:
statOutputMessage = createTargetedOutputMessage(statMessage, &currentCommand->caller, 1); outputMessage * listOutputMessage = createTargetedOutputMessage(listMessage, &currentCommand->caller, 1);
// Queue the outputMessage: // Queue the outputMessage:
pushQueue(parameters->outputQueue, statOutputMessage, OUTPUT_MESSAGE); pushQueue(parameters->outputQueue, listOutputMessage, OUTPUT_MESSAGE);
free(listMessage);
free(formattedString);
break;
} }
free(statMessage);
free(formattedString);
}
// Spec command: Assign spec points to stats: // Talk command: Allows the player to begin a chat session with another player:
if (strncmp(currentCommand->command, "spec", 4) == 0) case 601264:
{
userMessage * specMessage = calloc(1, sizeof(userMessage));
specMessage->senderName[0] = '\0';
char * formattedString = calloc(121, sizeof(char));
if (currentCommand->caller->stats->specPoints > 0)
{ {
int selectedAmount = 0; userMessage * talkMessage = malloc(sizeof(userMessage));
strtok(currentCommand->arguments, " "); talkMessage->senderName[0] = '\0';
selectedAmount = atoi(&currentCommand->arguments[strlen(currentCommand->arguments) + 1]);
coreStat selectedStat = getCoreStatFromString(currentCommand->arguments, 16); // Temporary message until we can implement objects, events, and challenges.
if (selectedAmount > 0 && (currentCommand->caller->stats->specPoints - selectedAmount) >= 0) strcpy(talkMessage->messageContent, "The talk command is currently not implemented. Implement it if you want to use it.\n");
// Allocate an outputMessage for the queue:
outputMessage * talkOutputMessage = createTargetedOutputMessage(talkMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, talkOutputMessage, OUTPUT_MESSAGE);
// Free the userMessage:
free(talkMessage);
break;
}
// Exit command: Sends an "empty" exit message to disconnect a client:
case 5284234:
{
// Allocate a userMessage containing null characters as the first char in both fields:
userMessage * exitMessage = malloc(sizeof(userMessage));
exitMessage->senderName[0] = '\0';
exitMessage->messageContent[0] = '\0';
// Allocate an outputMessage for the queue:
outputMessage * exitOutputMessage = createTargetedOutputMessage(exitMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, exitOutputMessage, OUTPUT_MESSAGE);
// Free the userMessage
free(exitMessage);
break;
}
// Join command: Allows the player to join the game given a name:
// TODO: Implement login/character creation. Will be a while:
case 5525172:
{
if (currentCommand->caller->currentArea == getFromList(parameters->areaList, 0)->area)
{ {
switch (selectedStat) bool validName = true;
for(int index = 0; index < *parameters->playerCount; index++)
{ {
case WITS: if (currentCommand->arguments[0] == '\0')
{ {
currentCommand->caller->stats->wits += selectedAmount; validName = false;
strncat(specMessage->messageContent, "Increased wits.", 16);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
} }
case INTELLECT: if (strncmp(currentCommand->arguments, parameters->connectedPlayers[index].playerName, 16) == 0)
{ {
currentCommand->caller->stats->intellect += selectedAmount; validName = false;
strncat(specMessage->messageContent, "Increased intellect.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case STRENGTH:
{
currentCommand->caller->stats->strength += selectedAmount;
strncat(specMessage->messageContent, "Increased strength.", 20);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case ENDURANCE:
{
currentCommand->caller->stats->endurance += selectedAmount;
strncat(specMessage->messageContent, "Increased endurance.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case DEXERITY:
{
currentCommand->caller->stats->dexerity += selectedAmount;
strncat(specMessage->messageContent, "Increased dexerity.", 21);
currentCommand->caller->stats->specPoints -= selectedAmount;
break;
}
case INVALID:
{
strncat(specMessage->messageContent, "Invalid stat.", 21);
} }
} }
} if (validName)
else
{
strncat(specMessage->messageContent, "You have entered an invalid amount of spec points.", 51);
}
}
else
{
strncat(specMessage->messageContent, "You have no spec points available.", 35);
}
// Allocate an outputMessage for the queue:
outputMessage * specOutputMessage = createTargetedOutputMessage(specMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, specOutputMessage, OUTPUT_MESSAGE);
// Show the new stat sheet:
queue->lock = false;
queueCommand(queue, "stat", "", 5, 0, currentCommand->caller);
queue->lock = true;
// Free the finished message:
free(specMessage);
free(formattedString);
}
if (strncmp(currentCommand->command, "skill", 5) == 0)
{
userMessage * skillMessage = calloc(1, sizeof(userMessage));
skillMessage->senderName[0] = '\0';
if ((currentCommand->caller->stats->skillPoints - 1) >= 0)
{
int returnValue = takeSkill(parameters->globalSkillList, currentCommand->arguments,
strlen(currentCommand->arguments), currentCommand->caller);
switch(returnValue)
{
case -1:
{ {
strcpy(skillMessage->messageContent, "Not a valid skill."); strncpy(currentCommand->caller->playerName, currentCommand->arguments, 16);
break; currentCommand->caller->currentArea = getFromList(parameters->areaList, 1)->area;
} // Call the look command after joining. It's fine to unlock, because the loop won't
case 0: // continue until the command is queued:
{ queue->lock = false;
strcpy(skillMessage->messageContent, "Took "); queueCommand(queue, "look", "", 5, 0, currentCommand->caller);
strcat(skillMessage->messageContent, currentCommand->arguments); queue->lock = true;
strcat(skillMessage->messageContent, ".");
currentCommand->caller->stats->skillPoints--;
break;
} }
} }
break;
} }
else
{
strcpy(skillMessage->messageContent, "You don't have enough skill points to take this skill.\n");
}
// Allocate an outputMessage for the queue:
outputMessage * skillOutputMessage = createTargetedOutputMessage(skillMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, skillOutputMessage, OUTPUT_MESSAGE);
free(skillMessage);
} }
if (strncmp(currentCommand->command, "listskills", 10) == 0)
{
userMessage * listMessage = calloc(1, sizeof(userMessage));
char * formattedString = calloc(121, sizeof(char));
int charCount = 0;
size_t skillIndex = 0;
bool addNewline = false;
playerSkill * currentSkill;
while (skillIndex < parameters->globalSkillList->itemCount)
{
currentSkill = getFromList(parameters->globalSkillList, skillIndex)->skill;
snprintf(formattedString, 120, "| %-31s ", currentSkill->skillName);
charCount += 43;
strncat(listMessage->messageContent, formattedString, 120);
if ((charCount + 46) >= MAX)
{
// Allocate an outputMessage for the queue:
outputMessage * listOutputMessage = createTargetedOutputMessage(listMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, listOutputMessage, OUTPUT_MESSAGE);
bzero(listMessage, sizeof(userMessage));
charCount = 0;
addNewline = false;
}
else if (addNewline)
{
strncat(listMessage->messageContent, "|\n", 3);
charCount++;
addNewline = false;
}
else
{
addNewline = true;
}
skillIndex++;
}
// Allocate an outputMessage for the queue:
outputMessage * listOutputMessage = createTargetedOutputMessage(listMessage, &currentCommand->caller, 1);
// Queue the outputMessage:
pushQueue(parameters->outputQueue, listOutputMessage, OUTPUT_MESSAGE);
free(listMessage);
free(formattedString);
}
// Remove the current command and unlock the queue: // Remove the current command and unlock the queue:
currentCommand = NULL; currentCommand = NULL;
queue->lock = false; queue->lock = false;
@ -706,7 +751,7 @@ int movePlayerToArea(playerInfo * player, char * requestedPath)
if (selected != 0 && !(selected > player->currentArea->pathList->itemCount)) if (selected != 0 && !(selected > player->currentArea->pathList->itemCount))
{ {
if (getFromList(player->currentArea->pathList, selected - 1)->path != NULL && if (getFromList(player->currentArea->pathList, selected - 1)->path != NULL &&
getFromList(player->currentArea->pathList, selected - 1)->path->areaToJoin != NULL) getFromList(player->currentArea->pathList, selected - 1)->path->areaToJoin != NULL)
{ {
player->currentArea = getFromList(player->currentArea->pathList, selected - 1)->path->areaToJoin; player->currentArea = getFromList(player->currentArea->pathList, selected - 1)->path->areaToJoin;
return 0; return 0;
@ -721,12 +766,25 @@ int movePlayerToArea(playerInfo * player, char * requestedPath)
for (size_t index = 0; index < player->currentArea->pathList->itemCount; index++) for (size_t index = 0; index < player->currentArea->pathList->itemCount; index++)
{ {
if (strncmp(getFromList(player->currentArea->pathList, index)->path->pathName, if (strncmp(getFromList(player->currentArea->pathList, index)->path->pathName,
requestedPath, 32) == 0) requestedPath, 32) == 0)
{ {
printf("%s: %s\n", player->playerName, getFromList(player->currentArea->pathList, index)->path->pathName);
player->currentArea = getFromList(player->currentArea->pathList, index)->path->areaToJoin; player->currentArea = getFromList(player->currentArea->pathList, index)->path->areaToJoin;
return 0; return 0;
} }
} }
return 1; return 1;
} }
// A hash function for distinguishing commands for the game logic handler:
unsigned int hashCommand(char * command, unsigned int commandLength)
{
unsigned int hash = 0;
char * currentCharacter = command;
for (unsigned int index = 0; index < commandLength && *currentCharacter != '\0'; currentCharacter++)
{
hash = 37 * hash + *currentCharacter;
}
return hash;
}

3
src/gamelogic.h
View File

@ -55,6 +55,9 @@ int evaluateNextCommand(gameLogicParameters * parameters, queue * queue);
void queueCommand(queue * queue, char * command, char * arguments, int commandLength, int argumentsLength, void queueCommand(queue * queue, char * command, char * arguments, int commandLength, int argumentsLength,
playerInfo * callingPlayer); playerInfo * callingPlayer);
// A hash function for distinguishing commands for the game logic handler:
unsigned int hashCommand(char * command, unsigned int commandLength);
// ============================ // ============================
// -=[ Gameplay Primitives ]=-: // -=[ Gameplay Primitives ]=-:
// ============================ // ============================

22
src/server/SilverMUDServer.c
View File

@ -36,7 +36,7 @@ void sigintHandler(int signal)
int main(int argc, char ** argv) int main(int argc, char ** argv)
{ {
time_t currentTime; time_t currentTime;
unsigned delay = 4000; unsigned delay = 800;
int socketFileDesc, connectionFileDesc, length, clientsAmount, int socketFileDesc, connectionFileDesc, length, clientsAmount,
socketCheck, activityCheck, returnVal; socketCheck, activityCheck, returnVal;
fd_set connectedClients; fd_set connectedClients;
@ -46,19 +46,25 @@ int main(int argc, char ** argv)
playerInfo connectedPlayers[PLAYERCOUNT]; playerInfo connectedPlayers[PLAYERCOUNT];
char testString[32] = "Hehe."; char testString[32] = "Hehe.";
struct sockaddr_in serverAddress, clientAddress; struct sockaddr_in serverAddress, clientAddress;
char motd[2048] = "Please login with the /join command.";
queue * inputQueue = createQueue(), * outputQueue = createQueue(); queue * inputQueue = createQueue(), * outputQueue = createQueue();
// Parse command-line options: // Parse command-line options:
int currentopt = 0; int currentopt = 0;
while ((currentopt = getopt(argc, argv, "d:")) != -1) while ((currentopt = getopt(argc, argv, "d:m:")) != -1)
{ {
switch(currentopt) switch(currentopt)
{ {
case 'd': case 'd':
{ {
delay = atoi(optarg); delay = atoi(optarg);
break; break;
} }
case 'm':
{
strncpy(motd, optarg, strlen(optarg) + 1);
break;
}
} }
} }
@ -68,7 +74,7 @@ int main(int argc, char ** argv)
// -==[ TEST GAME-STATE INITIALIZATION ]==- // -==[ TEST GAME-STATE INITIALIZATION ]==-
// Initialize test areas: // Initialize test areas:
list * areas = createList(AREA); list * areas = createList(AREA);
addToList(areas, createArea("Login Area", "Please login with the /join command."), AREA); addToList(areas, createArea("Login Area", motd), AREA);
// Create the areas: // Create the areas:
addToList(areas, createArea("Octal One - Docking Bay Alpha", addToList(areas, createArea("Octal One - Docking Bay Alpha",