Implemented Skill Checks.

- Implemented skillCheck.
- Allowed for the in-game testing of skillCheck via /try.
- Slightly reorganized the Makefile.
- Tweaked the logoString to display correctly.
- Edited the client and server to generate gprof data when in debug builds.

Makefile

@@ -14,16 +14,16 @@ SilverMUDServer: $(serverobj)
 	gcc  -o $@ $^ $(SERVERLDFLAGS)
 
 SilverMUDClientDebug: $(clientobj)
-	gcc  $^ $(CLIENTLDFLAGS) -o $@
+	gcc -pg   $^ $(CLIENTLDFLAGS) -o $@
 
 SilverMUDServerDebug: $(serverobj)
-	gcc  $^ $(SERVERLDFLAGS) -o $@
+	gcc -pg   $^ $(SERVERLDFLAGS) -o $@
 
 .PHONY: clean
 clean:
 	rm -f $(clientobj) $(serverobj) SilverMUDClient SilverMUDServer SilverMUDClientDebug SilverMUDServerDebug
 
-all: SilverMUDClient SilverMUDServer
+all: clean SilverMUDClient SilverMUDServer
 all: CFLAGS += -Wall -Wextra -Ofast
-debug: CFLAGS += -Wall -ggdb -Wextra -Og -pg
+debug: CFLAGS += -Wall -Wextra -pg -ggdb -Og
 debug: clean SilverMUDClientDebug SilverMUDServerDebug

src/gamelogic.c

@@ -4,6 +4,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <stdbool.h>
+#include <pthread.h>
 #include "constants.h"
 #include "gamelogic.h"
 #include "playerdata.h"
@@ -18,9 +19,8 @@ void * gameLogicLoop(void * parameters)
 {
 	gameLogicParameters * threadParameters = parameters;
 	inputMessage * currentInput = NULL;
-	bool keepRunning = true;
 	commandQueue * commandQueue = createCommandQueue();
-	while(keepRunning)
+	while(true)
 	{
 		// Evaluate remaining commands:
 		if(commandQueue->currentLength != 0)
@@ -74,7 +74,7 @@ void * gameLogicLoop(void * parameters)
 			dequeueInputMessage(threadParameters->inputQueue);
 		}
 	}
-	return NULL;
+	pthread_exit(NULL);
 }
 
 // Create a commandQueue:
@@ -311,7 +311,9 @@ int evaluateNextCommand(gameLogicParameters * parameters, commandQueue * queue)
 			}
 			default:
 			{
-				strcpy(tryMessage->messageContent, "Not at the moment, mate.\n");
+				sprintf(tryMessage->messageContent,"%d",
+						skillCheck(currentCommand->caller, 10, currentCommand->arguments, strlen(currentCommand->arguments),
+								   parameters->globalSkillList));
 				break;
 			}
 		}
@@ -645,11 +647,14 @@ int evaluateNextCommand(gameLogicParameters * parameters, commandQueue * queue)
 // Run a stat check:
 outcome statCheck(playerInfo * player, int chance, coreStat statToCheck)
 {
+	// Calculate the chance:
 	if(chance > 100 || chance < 0)
 	{
 		return ERROR;
 	}
 	chance = 100 - chance;
+
+	// Calculate the modifier:
 	int modifier = 0;
 	switch(statToCheck)
 	{
@@ -708,6 +713,86 @@ outcome statCheck(playerInfo * player, int chance, coreStat statToCheck)
 	}
 }
 
+// Run a skill check:
+outcome skillCheck(playerInfo * player, int chance, char * skillName, size_t skillNameLength, skillList * globalSkillList)
+{
+	// Calculate the chance:
+	if(chance > 100 || chance < 0)
+	{
+		return ERROR;
+	}
+	chance = 100 - chance;
+
+	// Check if the player has the given skill:
+	bool playerHasSkill = false;
+	skillNode * currentPlayerNode = player->skills->head;
+	while(currentPlayerNode != NULL)
+	{
+		if(strncmp(skillName, currentPlayerNode->skill->skillName, skillNameLength) == 0)
+		{
+			playerHasSkill = true;
+			break;
+		}
+		currentPlayerNode = currentPlayerNode->next;
+	}
+
+	// If the player doesn't have the skill, check if it's in the game and is trained:
+	bool trainedSkill = false;
+	if(!playerHasSkill)
+	{
+		skillNode * currentNode = globalSkillList->head;
+		while(strncmp(skillName, currentNode->skill->skillName, 32) != 0)
+		{
+			if(currentNode->next == NULL)
+			{
+				fprintf(stderr, "Skill doesn't exist in skill list.\n");
+				return ERROR;
+			}
+			currentNode = currentNode->next;
+		}
+		if(currentNode->skill->trainedSkill == true)
+		{
+			trainedSkill = true;
+		}
+	}
+		
+	// Calculate the modifier:
+	int modifier = 0;
+	if(trainedSkill)
+	{
+		modifier = -100;
+	}
+	else
+	{
+		modifier = currentPlayerNode->skill->skillPoints * 4;
+	}
+	
+	// Attempt the check:
+	int attempt = (random() % 100) + modifier;
+	if(attempt >= chance)
+	{
+		if(attempt >= 98)
+		{
+			return CRITICAL_SUCCESS;
+		}
+		else
+		{
+			return SUCCESS;
+		}
+	}
+	else
+	{
+		if(attempt <= 2)
+		{
+			return CRITICAL_FAILURE;
+		}
+		else
+		{
+			return FAILURE;
+		}
+	}
+}
+
 // Move a player to a different area given a path in the area:
 int movePlayerToArea(playerInfo * player, char * requestedPath)
 {

src/gamelogic.h

@@ -90,6 +90,6 @@ typedef enum outcome
 outcome statCheck(playerInfo * player, int chance, coreStat statToCheck);
 
 // Run a skill check:
-// outcome skillCheck(playerInfo * player, int chance, char * skillToCheck, int skillNameLength);
+outcome skillCheck(playerInfo * player, int chance, char * skillName, size_t skillNameLength, skillList * globalSkillList);
 
 #endif

src/playerdata.h

@@ -49,7 +49,7 @@ typedef struct skillList
 	skillNode * head;
 	int skillCount;
 } skillList;
-
+\
 typedef struct playerInfo
 {
 	char playerName[32];

src/server/SilverMUDServer.c

@@ -7,6 +7,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#include <signal.h>
 #include <unistd.h>
 #include <ncurses.h>
 #include <pthread.h>
@@ -24,11 +25,14 @@
 #include "../inputoutput.h"
 
 typedef struct sockaddr sockaddr;
+void sigintHandler(int signal)
+{
+	exit(EXIT_SUCCESS);
+}
 
-int main()
+int main(int argc, char ** argv)
 {
 	time_t currentTime;
-	bool keepRunning = true;
 	int socketFileDesc, connectionFileDesc, length, clientsAmount,
 		socketCheck, activityCheck, returnVal;
 	fd_set connectedClients;
@@ -41,6 +45,9 @@ int main()
 	inputMessageQueue * inputQueue = createInputMessageQueue();
 	outputMessageQueue * outputQueue = createOutputMessageQueue();
 	
+	// Set the handler for SIGINT:
+	signal(2, sigintHandler);
+	
 	// -==[ TEST GAME-STATE INITIALIZATION ]==-
 	// Initialize test areas:
 	areaNode * areas = createAreaList(createArea("Login Area", "Please login with the /join command."));
@@ -182,7 +189,7 @@ int main()
 	slowPrint("=====\n", 5000); 
 	struct timeval timeout = {0, 500};
 	
-	while(keepRunning)
+	while(true)
 	{
 		// Clear the set of file descriptors angad add the master socket:
 		FD_ZERO(&connectedClients);
@@ -325,6 +332,7 @@ int main()
 			dequeueOutputMessage(outputQueue);
 		}
 	}
-	return 0;
+	pthread_cancel(gameLogicThread);
+	exit(EXIT_SUCCESS);
 }