Implement new functions for easier parsing, pixel scaling, and started making threading

ZSharp/Main.cpp

@@ -23,6 +23,7 @@
 #include <unordered_map>
 #include <stdio.h>
 #include <codecvt>
+#include <thread>
 
 #if UNIX
 #include <unistd.h>
@@ -401,6 +402,22 @@ boost::any ProcessLine(const vector<vector<string>>& words, int lineNum, unorder
 		return nullType;
 	}
 
+	// Check if it is a SplitThread call
+	else if (startsWith(words.at(lineNum).at(0), "SplitThread"))
+	{
+		vector<string> lineContents = removeTabs(words.at(lineNum), 10);
+		cout << "debug: " << words.at(lineNum).at(0) << endl;
+		//lineContents.at(0) = betweenChars(lineContents.at(0), '(', ')');
+
+		//cout << "debug: " << lineContents.at(0) << endl;
+
+		//if (betweenChars(lineContents.at(0), '(', ')') == "")
+		//	std::thread thread_obj(ExecuteFunction, trim(split(lineContents.at(0), '(')[0]), vector<boost::any>());
+		//else
+		//	std::thread thread_obj(ExecuteFunction, trim(split(lineContents.at(0), '(')[0]), VarValues(split(RMParenthesis("(" + split(unWrapVec(rangeInVec(lineContents, 0, (int)lineContents.size() - 2)), '(')[1]), ','), variableValues));
+		return nullType;
+	}
+
 	// Check if global variable declaration
 	else if (trim(words.at(lineNum).at(0)) == "global")
 	{

ZSharp/ZS.h

@@ -137,5 +137,10 @@ func GetKey(keyName)
 	bool b = ZS.Input.GetKey(keyName)
 	return b
 }
+
+//func SplitThread(function)
+//{
+//	ZS.System.SplitThread(function)
+//}
 )"
 ;

ZSharp/builtin.h

@@ -12,6 +12,7 @@
 #include <SDL.h>
 #include <ctime>
 #include <math.h>
+#include <sys/stat.h>
 
 #include "strops.h"
 #include "graphics.h"
@@ -86,6 +87,10 @@ float lerp(float a, float b, float f)
 	return a + f * (b - a);
 }
 
+inline bool fileExists(const std::string& name) {
+	struct stat buffer;
+	return (stat(name.c_str(), &buffer) == 0);
+}
 
 void PrintColored(std::string text, std::string fgColor, std::string bgColor, bool isError)
 {
@@ -197,8 +202,11 @@ int LogCriticalError(const string& errorText)
 	PrintColored("ZSharp: ", yellowFGColor, "", true);
 	PrintColored(errorText, redFGColor, "", true);
 	cerr << std::endl;
+	cout << "Press Enter to Continue";
+	cin.ignore();
+	exit(1);
 	//cerr << "\x1B[34m[" + to_string(Hour) + ":" + to_string(Min) + ":" + to_string(Sec) + "] \x1B[33mZSharp: \x1B[31mERROR: " << errorText << "\033[0m\t\t" << endl;
-	exit(EXIT_FAILURE);
+	//exit(EXIT_FAILURE);
 	return 2;
 }
 
@@ -373,10 +381,16 @@ boost::any ZSFunction(const string& name, const vector<boost::any>& args)
 #if DEVELOPER_MESSAGES == true
 		InterpreterLog("Init graphics");
 #endif
-		initGraphics(StringRaw(AnyAsString(args.at(0))), AnyAsInt(args.at(1)), AnyAsInt(args.at(2)));
+		if (args.size() <= 3)
+			initGraphics(StringRaw(AnyAsString(args.at(0))), AnyAsInt(args.at(1)), AnyAsInt(args.at(2)), 1);
+		else
+			initGraphics(StringRaw(AnyAsString(args.at(0))), AnyAsInt(args.at(1)), AnyAsInt(args.at(2)), AnyAsInt(args.at(3)));
 	}
 	else if (name == "ZS.Graphics.Sprite")
 	{
+		if (!fileExists(StringRaw(AnyAsString(args.at(0)))))
+			LogCriticalError("Failed to create 'Sprite' object: \"" + StringRaw(AnyAsString(args.at(0))) + "\"");
+
 		Sprite s(StringRaw(AnyAsString(args.at(0))), any_cast<Vec2>(args.at(1)), any_cast<Vec2>(args.at(2)), AnyAsFloat(args.at(3)));
 		return s;
 	}
@@ -386,6 +400,9 @@ boost::any ZSFunction(const string& name, const vector<boost::any>& args)
 		any_cast<Sprite>(args.at(0)).Load();
 	else if (name == "ZS.Graphics.Text")
 	{
+		if (!fileExists(StringRaw(AnyAsString(args.at(1)))))
+			LogCriticalError("Failed to create 'Text' object: \"" + StringRaw(AnyAsString(args.at(1))) + "\"");
+
 		Text t(StringRaw(AnyAsString(args.at(0))), StringRaw(AnyAsString(args.at(1))), any_cast<Vec2>(args.at(2)), AnyAsFloat(args.at(3)), AnyAsFloat(args.at(4)), (Uint8)AnyAsFloat(args.at(5)), (Uint8)AnyAsFloat(args.at(6)), (Uint8)AnyAsFloat(args.at(7)));
 		return t;
 	}

ZSharp/graphics.h

@@ -26,6 +26,7 @@ using namespace boost;
 
 int WINDOW_WIDTH = 1280;
 int WINDOW_HEIGHT = 720;
+int PIXEL_SCALE = 1;
 
 unordered_map<string, int> KEYS =
 {
@@ -1017,17 +1018,21 @@ int updateLoop()
 	return 0;
 }
 
-int initGraphics(std::string windowTitle, int width, int height)
+int initGraphics(std::string windowTitle, int width, int height, int pixelScale)
 {
 	WINDOW_WIDTH = width;
 	WINDOW_HEIGHT = height;
+	PIXEL_SCALE = pixelScale;
 
 	// Initialize SDL components
 	SDL_Init(SDL_INIT_VIDEO);
 	TTF_Init();
 
-	gWindow = SDL_CreateWindow(windowTitle.c_str(), 40, 40, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN | SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
+	gWindow = SDL_CreateWindow(windowTitle.c_str(), 40, 40, WINDOW_WIDTH * PIXEL_SCALE, WINDOW_HEIGHT * PIXEL_SCALE, SDL_WINDOW_SHOWN | SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
 	gRenderer = SDL_CreateRenderer(gWindow, -1, 0);
+	SDL_RenderSetLogicalSize(gRenderer, 256 * PIXEL_SCALE, 224 * PIXEL_SCALE);
+	SDL_RenderSetScale(gRenderer, PIXEL_SCALE, PIXEL_SCALE);
+	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, 0);
 
 	//Get window surface
 	gScreenSurface = SDL_GetWindowSurface(gWindow);

ZSharp/strops.cpp

@@ -150,6 +150,40 @@ int countNoOverlap(const string& str, const char& searchFor, const char& ch1, co
 	return cnt;
 }
 
+string betweenChars(const string& str, const char& openChar, const char& closeChar)
+{
+	string content = "";
+
+	int waitingForClose = 0;
+
+	for (int i = 0; i < (int)str.size(); i++)
+	{
+		if (waitingForClose > 0 && !(str[i] == closeChar && waitingForClose == 1))
+			content += str[i];
+
+		if (str[i] == openChar)
+			waitingForClose++;
+		else if (str[i] == closeChar)
+			waitingForClose--;
+	}
+
+	return content;
+}
+
+bool startsWith(const string& str, const string& lookFor)
+{
+	if (str.empty() || lookFor.size() > str.size())
+		return false;
+
+	for (int i = 0; i < (int)lookFor.size(); i++)
+	{
+		if (str[i] != lookFor[i])
+			return false;
+	}
+
+	return true;
+}
+
 int countOutsideParenthesis(const string& str, const char& searchFor)
 {
 	int cnt = 0;

ZSharp/strops.h

@@ -34,6 +34,8 @@ int count(const string& str, const char& ch);
 
 int countNoOverlap(const string& str, const char& searchFor, const char& ch1, const char& ch2);
 
+string betweenChars(const string& str, const char& openChar, const char& closeChar);
+
 int countOutsideParenthesis(const string& str, const char& searchFor);
 
 int indexInStr(const string& str, const char& ch);
@@ -62,4 +64,6 @@ string replace(const string& str, const string& strToReplace, const string& repl
 
 bool isEscaped(const string& str, int curChar);
 
+bool startsWith(const string& str, const string& lookFor);
+
 #endif

examples/Platformer/script.zs

@@ -1,5 +1,6 @@
-int g_screenw = 900
-int g_screenh = 600
+int g_screenw = 256
+int g_screenh = 224
+int g_resolutionScale = 3
 
 float g_playerWalkSpeed = 400
 float g_playerRunSpeed = 700
@@ -14,8 +15,15 @@ include "./extra-include.zs"
 
 func Main()
 {
+	//SplitThread(ThreadedFunction())
+	
 	// Immediately creates the window, then Start(), then the game loop. The game loop calls Update() every frame
-	ZS.Graphics.Init("Platformer game", g_screenw, g_screenh)
+	ZS.Graphics.Init("Platformer game", g_screenw, g_screenh, g_resolutionScale)
+}
+
+func ThreadedFunction()
+{
+	print "threaded:"
 }
 
 func Start()
@@ -25,14 +33,14 @@ func Start()
 	global Vec2 g_screencenter = NVec2(centerX, centerY)
 	
 	Vec2 playerPos = g_screencenter
-	Vec2 playerScale = NVec2(40, 40)
-	global Sprite g_playerSprite = ZS.Graphics.Sprite("./square.png", playerPos, playerScale, 0)
+	Vec2 playerScale = NVec2(16, 16)
+	global Sprite g_playerSprite = ZS.Graphics.Sprite("./mariostill.png", playerPos, playerScale, 0)
 	
-	Vec2 groundPos = NVec2(g_screencenter.x, 500)
+	Vec2 groundPos = NVec2(g_screencenter.x, 192)
 	Vec2 groundScale = NVec2(256, 16)
 	global Sprite g_groundSprite = ZS.Graphics.Sprite("./square.png", groundPos, groundScale, 0)
 	
-	Vec2 instructionsPos = NVec2(centerOfScreen.x, g_screenh - 60)
+	Vec2 instructionsPos = NVec2(centerOfScreen.x, centerOfScreen.y)
 	global Text g_instructionsText = ZS.Graphics.Text("Use Arrow Keys or WASD to Move, and Spacebar to Jump", "./arial.ttf", instructionsPos, 20, 0, 255, 255, 255)
 	
 	global Vec2 g_playerTargetPosition = playerPos
@@ -47,7 +55,7 @@ func Start()
 func Update(deltaTime) {
 	float fps = 1 / deltaTime
 	print "FPS: " + fps
-	TestInclude()
+	//TestInclude()
 	
 	//// Test automatic conversion from bool to int
 	//int c = GetKey("A")