Changes to thumbnail retreival

src/Config.h

@@ -34,6 +34,7 @@
 
 #define APPDATA_SUBDIR "\\HardWIRED"
 
+//Number of unique thumbnails to have in cache at one time
 #define THUMB_CACHE_SIZE 256
 
 #ifndef M_PI
@@ -43,8 +44,11 @@
 #define M_GRAV 6.67300e-1
 #endif
 
-#define IMGCONNS 3
+//Number of asynchronous connections used to retrieve thumnails
+#define IMGCONNS 5
+//Not sure
 #define TIMEOUT 100
+//HTTP request timeout in seconds
 #define HTTP_TIMEOUT 10
 
 #ifdef RENDERER

src/Console.cpp

@@ -48,10 +48,9 @@ std::vector<ConsoleCommand> * Console::GetPreviousCommands()
 
 }
 
-Console::Console(ui::Sandbox * sandbox)
+Console::Console()
 {
-	this->sandbox = sandbox;
+	//sim = sandbox->GetSimulation();
-	sim = sandbox->GetSimulation();
 }
 
 Console::~Console()

src/Console.h

@@ -4,7 +4,6 @@
 #include <string>
 #include <vector>
 
-#include "interface/Sandbox.h"
 #include "simulation/Simulation.h"
 
 class ConsoleCommand
@@ -29,7 +28,6 @@ private:
 	bool file_script;
 	std::vector<ConsoleCommand> * previousCommands;
 	std::string * lastError;
-	ui::Sandbox * sandbox;
 	Simulation * sim;
 public:
 	virtual void Tick(float * dt);
@@ -41,7 +39,7 @@ public:
 	virtual int ProcessCommand(char * console);
 	virtual std::string * GetLastError();
 	virtual std::vector<ConsoleCommand> * GetPreviousCommands();
-	Console(ui::Sandbox * sandbox);
+	Console();
 	virtual ~Console();
 };
 

src/PowderToy.cpp

@@ -10,7 +10,6 @@
 
 #include "interface/Engine.h"
 #include "interface/Button.h"
-#include "interface/Sandbox.h"
 #include "interface/Panel.h"
 #include "interface/ControlFactory.h"
 #include "interface/Point.h"

src/client/Client.cpp

@@ -2,30 +2,25 @@
 #include <iostream>
 #include <sstream>
 #include <string>
+#include <time.h>
 #include "Config.h"
 #include "Client.h"
 #include "interface/Point.h"
 #include "Graphics.h"
 
-/*
- static Thumbnail* thumbnailCache[120];
- static void * activeThumbRequests[5];
- static int activeThumbRequestTimes[5];
- static std::string activeThumbRequestIDs[5];
-*/
-
 Client::Client()
 {
 	int i = 0;
 	http_init(NULL);
-	for(i = 0; i < 120; i++)
+	for(i = 0; i < THUMB_CACHE_SIZE; i++)
 	{
 		thumbnailCache[i] = NULL;
 	}
-	for(i = 0; i < 5; i++)
+	for(i = 0; i < IMGCONNS; i++)
 	{
 		activeThumbRequests[i] = NULL;
 		activeThumbRequestTimes[i] = 0;
+		activeThumbRequestCompleteTimes[i] = 0;
 	}
 }
 
@@ -36,12 +31,14 @@ Client::~Client()
 
 void Client::ClearThumbnailRequests()
 {
-	for(int i = 0; i < 5; i++)
+	for(int i = 0; i < IMGCONNS; i++)
 	{
 		if(activeThumbRequests[i])
 		{
 			http_async_req_close(activeThumbRequests[i]);
 			activeThumbRequests[i] = NULL;
+			activeThumbRequestTimes[i] = 0;
+			activeThumbRequestCompleteTimes[i] = 0;
 		}
 	}
 }
@@ -50,8 +47,28 @@ Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
 {
 	std::stringstream urlStream;
 	std::stringstream idStream;
-	int i = 0;
+	int i = 0, currentTime = time(NULL);
-	for(i = 0; i < 120; i++)
+	//Check active requests for any "forgotten" requests
+	for(i = 0; i < IMGCONNS; i++)
+	{
+		//If the request is active, and we've recieved a response
+		if(activeThumbRequests[i] && http_async_req_status(activeThumbRequests[i]))
+		{
+			//If we haven't already, mark the request as completed
+			if(!activeThumbRequestCompleteTimes[i])
+			{
+				activeThumbRequestCompleteTimes[i] = time(NULL);
+			}
+			else if(activeThumbRequestCompleteTimes[i] < (currentTime-20)) //Otherwise, if it completed more than 10 seconds ago, destroy it.
+			{
+				http_async_req_close(activeThumbRequests[i]);
+				activeThumbRequests[i] = NULL;
+				activeThumbRequestTimes[i] = 0;
+				activeThumbRequestCompleteTimes[i] = 0;
+			}
+		}
+	}
+	for(i = 0; i < THUMB_CACHE_SIZE; i++)
 	{
 		if(thumbnailCache[i] && thumbnailCache[i]->ID == saveID && thumbnailCache[i]->Datestamp == saveDate)
 			return thumbnailCache[i];
@@ -64,7 +81,7 @@ Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
 	idStream << saveID << ":" << saveDate;
 	std::string idString = idStream.str();
 	bool found = false;
-	for(i = 0; i < 5; i++)
+	for(i = 0; i < IMGCONNS; i++)
 	{
 		if(activeThumbRequests[i] && activeThumbRequestIDs[i] == idString)
 		{
@@ -83,7 +100,7 @@ Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
 					{
 						free(data);
 					}
-					thumbnailCacheNextID %= 120;
+					thumbnailCacheNextID %= THUMB_CACHE_SIZE;
 					if(thumbnailCache[thumbnailCacheNextID])
 					{
 						delete thumbnailCache[thumbnailCacheNextID];
@@ -104,7 +121,7 @@ Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
 					{
 						free(data);
 					}
-					thumbnailCacheNextID %= 120;
+					thumbnailCacheNextID %= THUMB_CACHE_SIZE;
 					if(thumbnailCache[thumbnailCacheNextID])
 					{
 						delete thumbnailCache[thumbnailCacheNextID];
@@ -113,15 +130,21 @@ Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
 					return thumbnailCache[thumbnailCacheNextID++];
 				}
 			}
+			else if(activeThumbRequestTimes[i] < currentTime-HTTP_TIMEOUT)
+			{
+				//
+			}
 		}
 	}
 	if(!found)
 	{
-		for(i = 0; i < 5; i++)
+		for(i = 0; i < IMGCONNS; i++)
 		{
 			if(!activeThumbRequests[i])
 			{
 				activeThumbRequests[i] = http_async_req_start(NULL, (char *)urlStream.str().c_str(), NULL, 0, 1);
+				activeThumbRequestTimes[i] = currentTime;
+				activeThumbRequestCompleteTimes[i] = 0;
 				std::cout << "ThumbCache: Requesting " << urlStream.str() << " : " << idString << std::endl;
 				activeThumbRequestIDs[i] = idString;
 				return NULL;

src/client/Client.h

@@ -2,6 +2,7 @@
 #define CLIENT_H
 
 #include <queue>
+#include "Config.h"
 #include "HTTP.h"
 #include "search/Thumbnail.h"
 #include "Singleton.h"
@@ -10,10 +11,11 @@ class Client: public Singleton<Client>
 {
 private:
 	int thumbnailCacheNextID;
-	Thumbnail * thumbnailCache[120];
+	Thumbnail * thumbnailCache[THUMB_CACHE_SIZE];
-	void * activeThumbRequests[5];
+	void * activeThumbRequests[IMGCONNS];
-	int activeThumbRequestTimes[5];
+	int activeThumbRequestTimes[IMGCONNS];
-	std::string activeThumbRequestIDs[5];
+	int activeThumbRequestCompleteTimes[IMGCONNS];
+	std::string activeThumbRequestIDs[IMGCONNS];
 public:
 	Client();
 	~Client();