Add basic structure to program, namespaces, gitignore, makefile

.gitignore

@@ -0,0 +1 @@
+sdl_tree

makefile

@@ -0,0 +1,21 @@
+#OBJS specifies which files to compile as part of the project
+OBJS = src/main.cpp src/main_window.cpp
+
+#CC specifies which compiler we're using
+CC = g++
+
+#COMPILER_FLAGS specifies the additional compilation options we're using
+# -w suppresses all warnings
+COMPILER_FLAGS = -w
+
+INC=-I/usr/local/include/SDL2
+
+#LINKER_FLAGS specifies the libraries we're linking against
+LINKER_FLAGS = -lSDL2
+
+#OBJ_NAME specifies the name of our exectuable
+OBJ_NAME = sdl_tree
+
+#This is the target that compiles our executable
+all : $(OBJS)
+	$(CC) $(OBJS) $(INC) $(COMPILER_FLAGS) $(LINKER_FLAGS) -o $(OBJ_NAME)

src/controls.h

@@ -0,0 +1,6 @@
+#ifndef CONTROLS_H
+#define CONTROLS_H
+
+
+
+#endif

src/main.cpp

@@ -0,0 +1,23 @@
+#include <SDL.h>
+#include <stdio.h>
+
+#include "main_window.h"
+#include "random_gen.h"
+
+//Screen dimension constants
+const int SCREEN_WIDTH = 800;
+const int SCREEN_HEIGHT = 800;
+
+int main( int argc, char* args[] )
+{
+	//ran::args the_args = ran::parse(argc, args)
+	ran::args the_args;
+	
+	if (mainw::initialize(&the_args)) return 1;
+
+	mainw::loop();
+
+	mainw::quit();
+
+	return 0;
+}

src/main_window.cpp

@@ -0,0 +1,59 @@
+#include "main_window.h"
+#include "controls.h"
+#include <SDL.h>
+#include <iostream>
+
+//globals for main_window
+SDL_Window* window;
+SDL_Surface* screenSurface;
+//Screen dimension constants
+const int SCREEN_WIDTH = 640;
+const int SCREEN_HEIGHT = 480;
+bool run = true;
+int mainw::initialize(ran::args* arg)
+{
+    window = NULL;
+	screenSurface = NULL;()
+	if( SDL_Init( SDL_INIT_VIDEO ) < 0 )()
+	{
+		printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
+		return 1;
+	}
+	
+	//Create window
+	window = SDL_CreateWindow( "SDL Tree", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
+	if( window == NULL )
+	{
+		printf( "Error during window creation, SDL_Error: %s\n", SDL_GetError() );
+		return 1;
+	}
+	return 0;
+}
+
+void mainw::loop()
+{
+	con::control_struct controls;
+	while(run) 
+	{
+		con::do_controls(&control_struct);
+		
+		//If quit is pressed
+		if(control_struct.quit)
+			break; //out of while loop
+		
+		//respond to controls
+		respond(&control_struct); //sets player position, toggles check
+		
+		if(timeHasPassed)
+			tick(); //renders screen, runs the toggled check
+	}
+}
+
+void mainw::quit()
+{
+	//Destroy window
+	SDL_DestroyWindow( window );
+
+	//Quit SDL subsystems
+	SDL_Quit();
+}

src/main_window.h

@@ -0,0 +1,42 @@
+#ifndef MAIN_WINDOW_H
+#define MAIN_WINDOW_H
+
+#include <SDL.h>
+#include "controls.h"
+#include "random_gen.h"
+
+namespace mainw {
+
+//-------------------------
+// mainw::initialize()
+//
+// Starts SDL2
+//
+// Returns 1 on Error
+//
+int initialize(ran::args* arg);
+
+
+//-------------------------
+// mainw::initialize()
+//
+// Runs main game loop
+//
+void loop();
+
+//-------------------------
+// mainw::quit()
+// Quits SDL
+//
+void quit();
+
+//-------------------------
+// mainw::respond()
+// Uses controls from keyboard to 
+// move the player, change the current check, etc.
+//
+void respond(con::control_struct controls);
+
+} //End mainw namespace
+
+#endif

src/random_gen.h

@@ -0,0 +1,16 @@
+#ifndef RANDOM_GEN_H
+#define RANDOM_GEN_H
+
+namespace ran {
+	
+struct args {
+	int num_clusters;
+	int num_total_points;
+	float spread_multiplier;	
+};
+
+
+
+
+}
+#endif