6 files changed, 1066 insertions, 0 deletions

@@ -0,0 +1,149 @@
+#include <ctime>
+#include <list>
+#include "map.h"
+#include "renderer.h"
+
+using namespace::std;
+
+#if defined(__WIN32__) || defined(_WIN32) || defined(WIN32) || defined(__WINDOWS__) || defined(__TOS_WIN__)
+
+  #include <windows.h>
+
+  inline void delay( unsigned long ms )
+    {
+    Sleep( ms );
+    }
+
+#else  /* presume POSIX */
+
+  #include <unistd.h>
+
+  inline void delay( unsigned long ms )
+    {
+    usleep( ms * 1000 );
+    }
+
+#endif 
+
+const int FRAMES_PER_SECOND = 60;
+bool holding_left = false;
+bool holding_right = false;
+bool quit = false;
+mob_t* player;
+
+// Initialize jump physics
+double jump_height = TILE_HEIGHT*3;
+double jump_length = 0.25 * FRAMES_PER_SECOND;
+double jump_velocity = -2 * jump_height / jump_length;
+double jump_gravity = -1 * jump_velocity / jump_length;
+
+void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
+{
+  if (action == GLFW_PRESS)
+  {
+    switch (key)
+    {
+      case GLFW_KEY_LEFT: holding_left = true; break;
+      case GLFW_KEY_RIGHT: holding_right = true; break;
+      case GLFW_KEY_UP: player->y_vel = jump_velocity; break;
+      case GLFW_KEY_ESCAPE: quit = true; break;
+    }
+  } else if (action == GLFW_RELEASE)
+  {
+    switch (key)
+    {
+      case GLFW_KEY_LEFT: holding_left = false; break;
+      case GLFW_KEY_RIGHT: holding_right = false; break;
+    }
+  }
+}
+
+int main()
+{
+  GLFWwindow* window = initRenderer();
+  glfwSwapInterval(1);
+  glfwSetKeyCallback(window, key_callback);
+  
+  Texture* buffer = createTexture(GAME_WIDTH, GAME_HEIGHT);
+  
+  // Initialize player data
+  player = new mob_t();
+  player->x = 100;
+  player->y = 100;
+  player->x_vel = 0;
+  player->y_vel = 0;
+  player->x_accel = 0;
+  player->y_accel = jump_gravity;
+  player->w = 10;
+  player->h = 14;
+  
+  Map* map = new Map();
+
+  Texture* tiles = loadTextureFromBMP("../res/tiles.bmp");
+  
+  double lastTime = glfwGetTime();
+  int nbFrames = 0;
+  
+  while (!quit)
+  {
+    double currentTime = glfwGetTime();
+         nbFrames++;
+         if ( currentTime - lastTime >= 1.0 ){ // If last prinf() was more than 1 sec ago
+             // printf and reset timer
+             printf("%f ms/frame\n", 1000.0/double(nbFrames));
+             nbFrames = 0;
+             lastTime += 1.0;
+         }
+    
+    if (holding_left && player->x_vel >= 0)
+    {
+      player->x_vel = -2;
+    } else if (holding_right && player->x_vel <= 0)
+    {
+      player->x_vel = 2;
+    } else if (!holding_left && !holding_right) {
+      player->x_vel = 0;
+    }
+    
+    player->x_vel += player->x_accel;
+    if (player->x_vel < -16) player->x_vel = -16;
+    if (player->x_vel > 16) player->x_vel = 16;
+    int playerx_next = player->x + player->x_vel;
+    
+    player->y_vel += player->y_accel;
+    if (player->y_vel > 16) player->y_vel = 16; // Terminal velocity
+    if (player->y_vel < -16) player->y_vel = -16;
+    int playery_next = player->y + player->y_vel;
+    
+    map->check_collisions(player, playerx_next, playery_next);
+    
+    // Do rendering
+    map->render(buffer);
+    
+    //Rectangle src_rect(96, 0, 8, 8);
+    Rectangle dst_rect(player->x, player->y, player->w, player->h);
+    
+    //blitTexture(tiles, buffer, &src_rect, &dst_rect);
+    fillTexture(buffer, &dst_rect, 85, 85, 255);
+    //fillTexture(buffer, NULL, 85, 85, 0);
+    
+    renderScreen(buffer);
+    
+    //fuckThePolice(buffer);
+    
+    glfwPollEvents();
+    
+    // Regulate frame rate
+    /*if ((clock() - frame_start) < CLOCKS_PER_SEC / FRAMES_PER_SECOND)
+    {
+      //delay(((CLOCKS_PER_SEC / FRAMES_PER_SECOND) - clock() + frame_start) * CLOCKS_PER_SEC / 1000);
+    }*/
+  }
+  
+  delete map;
+  delete player;
+  
+  destroyRenderer();
+  
+  return 0;
+}
@@ -0,0 +1,241 @@
+#include "map.h"
+
+struct platform_t {
+  int x;
+  int y;
+  int w;
+  int h;
+  bool enter_from_left;
+  bool enter_from_right;
+  bool enter_from_top;
+  bool enter_from_bottom;
+  int r;
+  int g;
+  int b;
+  int a;
+};
+
+Map::Map()
+{
+  add_collision(-6, 0, GAME_WIDTH, left, 1);
+  add_collision(GAME_WIDTH+6, 0, GAME_WIDTH, right, 1);
+  
+  FILE* f = fopen("../maps/bigmap.txt", "r");
+  char* mapbuf = (char*) malloc(MAP_WIDTH*MAP_HEIGHT*sizeof(char));
+  
+  for (int i=0; i<MAP_HEIGHT; i++)
+  {
+    fread(mapbuf + i*MAP_WIDTH, sizeof(char), MAP_WIDTH, f);
+    fgetc(f);
+  }
+  
+  fclose(f);
+  
+  //Texture* tiles = loadTextureFromBMP("../res/tiles.bmp");
+  bg = createTexture(GAME_WIDTH, GAME_HEIGHT);
+  fillTexture(bg, NULL, 0, 0, 0);
+  
+  for (int i=0; i<MAP_WIDTH*MAP_HEIGHT; i++)
+  {
+    int x = i % MAP_WIDTH;
+    int y = i / MAP_WIDTH;
+    Rectangle dst(x*TILE_WIDTH, y*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
+    //Rectangle src;
+    
+    switch (mapbuf[i])
+    {
+      case ' ': break;
+      case 'X': fillTexture(bg, &dst, 255, 85, 85); break;
+      case 'P': fillTexture(bg, &dst, 85, 255, 255); break;
+    }
+    
+    //blitTexture(tiles, bg, &src, &dst);
+    
+    if (mapbuf[i] == 'X')
+    {
+      if ((x != 0) && (mapbuf[i-1] != 'X'))
+      {
+        add_collision(x*TILE_WIDTH, y*TILE_HEIGHT, (y+1)*TILE_HEIGHT, right, 0);
+      }
+      
+      if ((x != 15) && (mapbuf[i+1] != 'X'))
+      {
+        add_collision((x+1)*TILE_WIDTH, y*TILE_HEIGHT, (y+1)*TILE_HEIGHT, left, 0);
+      }
+      
+      if ((y != 0) && (mapbuf[i-MAP_WIDTH] != 'X'))
+      {
+        add_collision(y*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, down, 0);
+      }
+      
+      if ((y != 15) && (mapbuf[i+MAP_WIDTH] != 'X'))
+      {
+        add_collision((y+1)*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, up, 0);
+      }
+    } else if (mapbuf[i] == 'P')
+    {
+      add_collision(y*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, down, 0);
+    }
+  }
+  
+  //destroyTexture(tiles);
+}
+
+Map::~Map()
+{
+  destroyTexture(bg);
+}
+
+void Map::add_collision(int axis, int lower, int upper, direction_t dir, int type)
+{
+  //printf("added collision\n");
+  list<collision_t>::iterator it;
+  
+  switch (dir)
+  {
+    case up:
+      it = up_collisions.begin();
+      for (; it!=up_collisions.end(); it++)
+      {
+        if (it->axis < axis) break;
+      }
+    
+      up_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case down:
+      it = down_collisions.begin();
+      for (; it!=down_collisions.end(); it++)
+      {
+        if (it->axis > axis) break;
+      }
+    
+      down_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case left:
+      it = left_collisions.begin();
+      for (; it!=left_collisions.end(); it++)
+      {
+        if (it->axis < axis) break;
+      }
+  
+      left_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case right:
+      it = right_collisions.begin();
+      for (; it!=right_collisions.end(); it++)
+      {
+        if (it->axis > axis) break;
+      }
+  
+      right_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+  }
+}
+
+void Map::check_collisions(mob_t* mob, int x_next, int y_next)
+{
+  if (x_next < mob->x)
+  {
+    for (list<collision_t>::iterator it=left_collisions.begin(); it!=left_collisions.end(); it++)
+    {
+      if (it->axis > mob->x) continue;
+      if (it->axis < x_next) break;
+  
+      if ((mob->y+mob->h > it->lower) && (mob->y < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          x_next = it->axis;
+          mob->x_vel = 0;
+        } else if (it->type == 1)
+        {
+          x_next = GAME_WIDTH-mob->w/2;
+        }
+    
+        break;
+      }
+    }
+  } else if (x_next > mob->x)
+  {
+    for (list<collision_t>::iterator it=right_collisions.begin(); it!=right_collisions.end(); it++)
+    {
+      if (it->axis < mob->x+mob->w) continue;
+      if (it->axis > x_next+mob->w) break;
+  
+      if ((mob->y+mob->h > it->lower) && (mob->y < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          x_next = it->axis - mob->w;
+          mob->x_vel = 0;
+        } else if (it->type == 1)
+        {
+          x_next = -mob->w/2;
+        }
+    
+        break;
+      }
+    }
+  }
+  
+  mob->x = x_next;
+  
+  if (y_next < mob->y)
+  {
+    for (list<collision_t>::iterator it=up_collisions.begin(); it!=up_collisions.end(); it++)
+    {
+      if (it->axis > mob->y) continue;
+      if (it->axis < y_next) break;
+  
+      if ((mob->x+mob->w > it->lower) && (mob->x < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          y_next = it->axis;
+          mob->y_vel = 0;
+        } else if (it->type == 1)
+        {
+          y_next = GAME_HEIGHT-mob->h/2-1;
+        }
+    
+        break;
+      }
+    }
+  } else if (y_next > mob->y)
+  {
+    for (list<collision_t>::iterator it=down_collisions.begin(); it!=down_collisions.end(); it++)
+    {
+      if (it->axis < mob->y+mob->h) continue;
+      if (it->axis > y_next+mob->h) break;
+
+      if ((mob->x+mob->w > it->lower) && (mob->x < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          y_next = it->axis - mob->h;
+          mob->y_vel = 0;
+        } else if (it->type == 1)
+        {
+          y_next = 1 - mob->h/2;
+        }
+        
+        break;
+      }
+    }
+  }
+  
+  mob->y = y_next;
+}
+
+void Map::render(Texture* buffer)
+{
+  blitTexture(bg, buffer, NULL, NULL);
+}
@@ -0,0 +1,42 @@
+#include <list>
+#include <vector>
+#include "mob.h"
+#include "renderer.h"
+
+using namespace::std;
+
+const int TILE_WIDTH = 8;
+const int TILE_HEIGHT = 8;
+const int GAME_WIDTH = 320;
+const int GAME_HEIGHT = 200;
+const int MAP_WIDTH = GAME_WIDTH/TILE_WIDTH;
+const int MAP_HEIGHT = GAME_HEIGHT/TILE_HEIGHT;
+
+enum direction_t {
+  up, left, down, right
+};
+
+typedef struct {
+  int axis;
+  int lower;
+  int upper;
+  int type;
+} collision_t;
+
+class Map {
+public:
+  Map();
+  ~Map();
+  void render(Texture* buffer);
+  void check_collisions(mob_t* mob, int x_next, int y_next);
+  
+private:
+  void add_collision(int axis, int lower, int upper, direction_t dir, int type);
+  
+  list<collision_t> left_collisions;
+  list<collision_t> right_collisions;
+  list<collision_t> up_collisions;
+  list<collision_t> down_collisions;
+  
+  Texture* bg;
+};
\ No newline at end of file
@@ -0,0 +1,10 @@
+typedef struct {
+  int x;
+  int y;
+  double x_vel;
+  double y_vel;
+  double x_accel;
+  double y_accel;
+  int w;
+  int h;
+} mob_t;
@@ -0,0 +1,582 @@
+#include "renderer.h"
+#include <string>
+#include <fstream>
+#include <vector>
+#include <cstdio>
+#include "map.h"
+
+static bool rendererInitialized = false;
+
+static GLFWwindow* window;
+
+static GLuint FramebufferName; // The framebuffer
+static GLuint ntscShader; // The NTSC shader
+static GLuint finalShader; // The passthrough shader
+static GLuint blitShader; // The blitting shader
+static GLuint fillShader; // The fill shader
+
+// The buffers for the NTSC rendering process
+static GLuint renderedTex1;
+static GLuint renderedTex2;
+static GLuint renderedTexBufs[2];
+static int curBuf;
+static GLuint artifactsTex;
+static GLuint scanlinesTex;
+
+GLuint LoadShaders(const char* vertex_file_path, const char* fragment_file_path)
+{ 
+    // Create the shaders
+    GLuint VertexShaderID = glCreateShader(GL_VERTEX_SHADER);
+    GLuint FragmentShaderID = glCreateShader(GL_FRAGMENT_SHADER);
+ 
+    // Read the Vertex Shader code from the file
+    std::string VertexShaderCode;
+    std::ifstream VertexShaderStream(vertex_file_path, std::ios::in);
+    if(VertexShaderStream.is_open())
+    {
+        std::string Line = "";
+        while(getline(VertexShaderStream, Line))
+            VertexShaderCode += "\n" + Line;
+        VertexShaderStream.close();
+    }
+ 
+    // Read the Fragment Shader code from the file
+    std::string FragmentShaderCode;
+    std::ifstream FragmentShaderStream(fragment_file_path, std::ios::in);
+    if(FragmentShaderStream.is_open()){
+        std::string Line = "";
+        while(getline(FragmentShaderStream, Line))
+            FragmentShaderCode += "\n" + Line;
+        FragmentShaderStream.close();
+    }
+ 
+    GLint Result = GL_FALSE;
+    int InfoLogLength;
+ 
+    // Compile Vertex Shader
+    printf("Compiling shader : %s\n", vertex_file_path);
+    char const * VertexSourcePointer = VertexShaderCode.c_str();
+    glShaderSource(VertexShaderID, 1, &VertexSourcePointer , NULL);
+    glCompileShader(VertexShaderID);
+ 
+    // Check Vertex Shader
+    glGetShaderiv(VertexShaderID, GL_COMPILE_STATUS, &Result);
+    glGetShaderiv(VertexShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+    std::vector<char> VertexShaderErrorMessage(InfoLogLength);
+    glGetShaderInfoLog(VertexShaderID, InfoLogLength, NULL, &VertexShaderErrorMessage[0]);
+    fprintf(stdout, "%s\n", &VertexShaderErrorMessage[0]);
+ 
+    // Compile Fragment Shader
+    printf("Compiling shader : %s\n", fragment_file_path);
+    char const * FragmentSourcePointer = FragmentShaderCode.c_str();
+    glShaderSource(FragmentShaderID, 1, &FragmentSourcePointer , NULL);
+    glCompileShader(FragmentShaderID);
+ 
+    // Check Fragment Shader
+    glGetShaderiv(FragmentShaderID, GL_COMPILE_STATUS, &Result);
+    glGetShaderiv(FragmentShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+    std::vector<char> FragmentShaderErrorMessage(InfoLogLength);
+    glGetShaderInfoLog(FragmentShaderID, InfoLogLength, NULL, &FragmentShaderErrorMessage[0]);
+    fprintf(stdout, "%s\n", &FragmentShaderErrorMessage[0]);
+ 
+    // Link the program
+    fprintf(stdout, "Linking program\n");
+    GLuint ProgramID = glCreateProgram();
+    glAttachShader(ProgramID, VertexShaderID);
+    glAttachShader(ProgramID, FragmentShaderID);
+    glLinkProgram(ProgramID);
+ 
+    // Check the program
+    glGetProgramiv(ProgramID, GL_LINK_STATUS, &Result);
+    glGetProgramiv(ProgramID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+    std::vector<char> ProgramErrorMessage( glm::max(InfoLogLength, int(1)) );
+    glGetProgramInfoLog(ProgramID, InfoLogLength, NULL, &ProgramErrorMessage[0]);
+    fprintf(stdout, "%s\n", &ProgramErrorMessage[0]);
+ 
+    glDeleteShader(VertexShaderID);
+    glDeleteShader(FragmentShaderID);
+ 
+    return ProgramID;
+}
+
+GLuint loadBMP_custom(const char * imagepath){
+
+        printf("Reading image %s\n", imagepath);
+
+        // Data read from the header of the BMP file
+        unsigned char header[54];
+        unsigned int dataPos;
+        unsigned int imageSize;
+        unsigned int width, height;
+        // Actual RGB data
+        unsigned char * data;
+
+        // Open the file
+        FILE * file = fopen(imagepath,"rb");
+        if (!file)                                                          {printf("%s could not be opened. Are you in the right directory ? Don't forget to read the FAQ !\n", imagepath); getchar(); return 0;}
+
+        // Read the header, i.e. the 54 first bytes
+
+        // If less than 54 bytes are read, problem
+        if ( fread(header, 1, 54, file)!=54 ){ 
+                printf("Not a correct BMP file\n");
+                return 0;
+        }
+        // A BMP files always begins with "BM"
+        if ( header[0]!='B' || header[1]!='M' ){
+                printf("Not a correct BMP file\n");
+                return 0;
+        }
+        // Make sure this is a 24bpp file
+        if ( *(int*)&(header[0x1E])!=0  )         {printf("Not a correct BMP file\n");    return 0;}
+        if ( *(int*)&(header[0x1C])!=24 )         {printf("Not a correct BMP file\n");    return 0;}
+
+        // Read the information about the image
+        dataPos    = *(int*)&(header[0x0A]);
+        imageSize  = *(int*)&(header[0x22]);
+        width      = *(int*)&(header[0x12]);
+        height     = *(int*)&(header[0x16]);
+
+        // Some BMP files are misformatted, guess missing information
+        if (imageSize==0)    imageSize=width*height*3; // 3 : one byte for each Red, Green and Blue component
+        if (dataPos==0)      dataPos=54; // The BMP header is done that way
+
+        // Create a buffer
+        data = new unsigned char [imageSize];
+
+        // Read the actual data from the file into the buffer
+        fread(data,1,imageSize,file);
+
+        // Everything is in memory now, the file wan be closed
+        fclose (file);
+
+        // Create one OpenGL texture
+        GLuint textureID;
+        glGenTextures(1, &textureID);
+        
+        // "Bind" the newly created texture : all future texture functions will modify this texture
+        glBindTexture(GL_TEXTURE_2D, textureID);
+
+        // Give the image to OpenGL
+        glTexImage2D(GL_TEXTURE_2D, 0,GL_RGB, width, height, 0, GL_BGR, GL_UNSIGNED_BYTE, data);
+
+        // OpenGL has now copied the data. Free our own version
+        delete [] data;
+
+        // Poor filtering, or ...
+        //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 
+
+        // ... nice trilinear filtering.
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); 
+        glGenerateMipmap(GL_TEXTURE_2D);
+
+        // Return the ID of the texture we just created
+        return textureID;
+}
+
+GLFWwindow* initRenderer()
+{
+  if (rendererInitialized)
+  {
+    fprintf(stderr, "Renderer already initialized\n");
+    exit(-1);
+  }
+  
+  // Initialize GLFW
+  if (!glfwInit())
+  {
+    fprintf(stderr, "Failed to initialize GLFW\n");
+    exit(-1);
+  }
+  
+  glfwWindowHint(GLFW_SAMPLES, 4); // 4x antialiasing
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // We want version 3.3
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+  glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // Mac requires this
+  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+  
+  // Create a window
+  window = glfwCreateWindow(1024, 768, "Aromatherapy", NULL, NULL);
+  if (window == NULL)
+  {
+    fprintf(stderr, "Failed to open GLFW window\n");
+    glfwTerminate();
+    exit(-1);
+  }
+  
+  glfwMakeContextCurrent(window);
+  glewExperimental = true; // Needed in core profile
+  if (glewInit() != GLEW_OK)
+  {
+    fprintf(stderr, "Failed to initialize GLEW\n");
+    exit(-1);
+  }
+  
+  // Set up vertex array object
+  GLuint VertexArrayID;
+  glGenVertexArrays(1, &VertexArrayID);
+  glBindVertexArray(VertexArrayID);
+  
+  // Set up the framebuffer
+  glGenFramebuffers(1, &FramebufferName);
+  glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
+  GLenum DrawBuffers[1] = {GL_COLOR_ATTACHMENT0};
+  glDrawBuffers(1, DrawBuffers);
+  
+  // Set up the NTSC rendering buffers
+  glGenTextures(1, &renderedTex1);
+  glBindTexture(GL_TEXTURE_2D, renderedTex1);
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, GAME_WIDTH, GAME_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  renderedTexBufs[0] = renderedTex1;
+  
+  glGenTextures(1, &renderedTex2);
+  glBindTexture(GL_TEXTURE_2D, renderedTex2);
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, GAME_WIDTH, GAME_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  renderedTexBufs[1] = renderedTex2;
+  
+  curBuf = 0;
+  
+  artifactsTex = loadBMP_custom("../res/artifacts.bmp");
+  scanlinesTex = loadBMP_custom("../res/scanlines.bmp");
+  
+  // Load the shaders
+  ntscShader = LoadShaders("../shaders/ntsc.vertex", "../shaders/ntsc.fragment");
+  finalShader = LoadShaders("../shaders/final.vertex", "../shaders/final.fragment");
+  blitShader = LoadShaders("../shaders/blit.vertex", "../shaders/blit.fragment");
+  fillShader = LoadShaders("../shaders/fill.vertex", "../shaders/fill.fragment");
+  
+  rendererInitialized = true;
+  
+  return window;
+}
+
+void destroyRenderer()
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  // Delete the shaders
+  glDeleteProgram(ntscShader);
+  glDeleteProgram(finalShader);
+  glDeleteProgram(blitShader);
+  glDeleteProgram(fillShader);
+  
+  // Delete the NTSC rendering buffers
+  glDeleteTextures(1, &renderedTex1);
+  glDeleteTextures(1, &renderedTex2);
+  glDeleteTextures(1, &artifactsTex);
+  glDeleteTextures(1, &scanlinesTex);
+  
+  // Delete the framebuffer
+  glDeleteFramebuffers(1, &FramebufferName);
+  
+  // Kill the window
+  glfwTerminate();
+  
+  rendererInitialized = false;
+}
+
+Texture* createTexture(int width, int height)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  Texture* tex = new Texture();
+  tex->width = width;
+  tex->height = height;
+  
+  glGenTextures(1, &(tex->texID));
+  glBindTexture(GL_TEXTURE_2D, tex->texID);
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  
+  return tex;
+}
+
+void destroyTexture(Texture* tex)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  glDeleteTextures(1, &(tex->texID));
+  
+  delete tex;
+}
+
+Texture* loadTextureFromBMP(char* filename)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  Texture* tex = new Texture();
+  tex->texID = loadBMP_custom(filename);
+  
+  glBindTexture(GL_TEXTURE_2D, tex->texID);
+  glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &(tex->width));
+  glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &(tex->height));
+  
+  return tex;
+}
+
+void fillTexture(Texture* tex, Rectangle* dstrect, int r, int g, int b)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  // Target the framebuffer
+  glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
+  glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, tex->texID, 0);
+  
+  // Set up the vertex attributes
+  GLfloat minx = (dstrect == NULL) ? 0.0f : dstrect->x;
+  GLfloat miny = (dstrect == NULL) ? 0.0f : dstrect->y;
+  GLfloat maxx = (dstrect == NULL) ? tex->width : dstrect->x + dstrect->w;
+  GLfloat maxy = (dstrect == NULL) ? tex->height : dstrect->y + dstrect->h;
+  
+  minx = minx / tex->width * 2.0 - 1.0;
+  miny = -(miny / tex->height * 2.0 - 1.0);
+  maxx = maxx / tex->width * 2.0 - 1.0;
+  maxy = -(maxy / tex->height * 2.0 - 1.0);
+  
+  GLfloat vertexbuffer_data[] = {
+    minx, miny,
+    maxx, miny,
+    maxx, maxy,
+    minx, miny,
+    minx, maxy,
+    maxx, maxy
+  };
+  GLuint vertexbuffer;
+  glGenBuffers(1, &vertexbuffer);
+  glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(vertexbuffer_data), vertexbuffer_data, GL_STATIC_DRAW);
+  glEnableVertexAttribArray(0);
+  glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  
+  glViewport(0, 0, tex->width, tex->height);
+  glUseProgram(fillShader);
+  glUniform3f(glGetUniformLocation(fillShader, "vecColor"), r / 255.0, g / 255.0, b / 255.0);
+  
+  glDrawArrays(GL_TRIANGLES, 0, 6);
+  
+  glDisableVertexAttribArray(0);
+  glDeleteBuffers(1, &vertexbuffer);
+}
+
+void blitTexture(Texture* srctex, Texture* dsttex, Rectangle* srcrect, Rectangle* dstrect)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  // Target the framebuffer
+  glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
+  glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, dsttex->texID, 0);
+  
+  // Set up the vertex attributes
+  GLfloat minx = (dstrect == NULL) ? 0.0f : dstrect->x;
+  GLfloat miny = (dstrect == NULL) ? 0.0f : dstrect->y;
+  GLfloat maxx = (dstrect == NULL) ? dsttex->width : dstrect->x + dstrect->w;
+  GLfloat maxy = (dstrect == NULL) ? dsttex->height : dstrect->y + dstrect->h;
+  
+  minx = minx / dsttex->width * 2.0 - 1.0;
+  miny = -(miny / dsttex->height * 2.0 - 1.0);
+  maxx = maxx / dsttex->width * 2.0 - 1.0;
+  maxy = -(maxy / dsttex->height * 2.0 - 1.0);
+  
+  GLfloat vertexbuffer_data[] = {
+    minx, miny,
+    maxx, miny,
+    minx, maxy,
+    maxx, maxy
+  };
+  GLuint vertexbuffer;
+  glGenBuffers(1, &vertexbuffer);
+  glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(vertexbuffer_data), vertexbuffer_data, GL_STATIC_DRAW);
+  glEnableVertexAttribArray(0);
+  glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  
+  GLfloat minu = (srcrect == NULL) ? 0.0f : srcrect->x;
+  GLfloat minv = (srcrect == NULL) ? 0.0f : srcrect->y;
+  GLfloat maxu = (srcrect == NULL) ? srctex->width : srcrect->x + srcrect->w;
+  GLfloat maxv = (srcrect == NULL) ? srctex->height : srcrect->y + srcrect->h;
+  
+  minu = minu / srctex->width;
+  minv = 1 - (minv / srctex->height);
+  maxu = maxu / srctex->width;
+  maxv = 1 - (maxv / srctex->height);
+  
+  GLfloat texcoordbuffer_data[] = {
+    minu, minv,
+    maxu, minv,
+    minu, maxv,
+    maxu, maxv
+  };
+  GLuint texcoordbuffer;
+  glGenBuffers(1, &texcoordbuffer);
+  glBindBuffer(GL_ARRAY_BUFFER, texcoordbuffer);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(texcoordbuffer_data), texcoordbuffer_data, GL_STATIC_DRAW);
+  glEnableVertexAttribArray(1);
+  glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  
+  // Set up the shader
+  glUseProgram(blitShader);
+  glViewport(0, 0, dsttex->width, dsttex->height);
+  
+  glActiveTexture(GL_TEXTURE0);
+  glBindTexture(GL_TEXTURE_2D, srctex->texID);
+  glUniform1i(glGetUniformLocation(blitShader, "srctex"), 0);
+  
+  // Blit!
+  glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+  
+  // Unload everything
+  glDisableVertexAttribArray(1);
+  glDisableVertexAttribArray(0);
+  glDeleteBuffers(1, &texcoordbuffer);
+  glDeleteBuffers(1, &vertexbuffer);
+}
+
+void renderScreen(Texture* tex)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  // Set up framebuffer
+  glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
+  glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, renderedTexBufs[curBuf], 0);
+  
+  // Set up renderer
+  glViewport(0,0,GAME_WIDTH,GAME_HEIGHT);
+  glClear(GL_COLOR_BUFFER_BIT);
+  glUseProgram(ntscShader);
+  
+  glActiveTexture(GL_TEXTURE0);
+  glBindTexture(GL_TEXTURE_2D, tex->texID);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glUniform1i(glGetUniformLocation(ntscShader, "curFrameSampler"), 0);
+  
+  glActiveTexture(GL_TEXTURE1);
+  glBindTexture(GL_TEXTURE_2D, renderedTexBufs[(curBuf + 1) % 2]);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glUniform1i(glGetUniformLocation(ntscShader, "prevFrameSampler"), 1);
+  
+  glActiveTexture(GL_TEXTURE2);
+  glBindTexture(GL_TEXTURE_2D, artifactsTex);
+  glUniform1i(glGetUniformLocation(ntscShader, "NTSCArtifactSampler"), 2);
+  
+  glUniform1f(glGetUniformLocation(ntscShader, "NTSCLerp"), curBuf * 1.0);
+  
+  GLfloat g_quad_vertex_buffer_data[] = { 
+                -1.0f, -1.0f, 0.0f,
+                 1.0f, -1.0f, 0.0f,
+                -1.0f,  1.0f, 0.0f,
+                -1.0f,  1.0f, 0.0f,
+                 1.0f, -1.0f, 0.0f,
+                 1.0f,  1.0f, 0.0f,
+        };
+
+  GLuint quad_vertexbuffer;
+  glGenBuffers(1, &quad_vertexbuffer);
+  glBindBuffer(GL_ARRAY_BUFFER, quad_vertexbuffer);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(g_quad_vertex_buffer_data), g_quad_vertex_buffer_data, GL_STATIC_DRAW);
+  
+  glEnableVertexAttribArray(0);
+  glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  glDrawArrays(GL_TRIANGLES, 0, 6);
+  glDisableVertexAttribArray(0);
+  
+  GLfloat g_norms_data[] = {
+    0.0f, 0.0f, 1.0f,
+    0.0f, 0.0f, 1.0f,
+    0.0f, 0.0f, 1.0f,
+    0.0f, 0.0f, 1.0f,
+    0.0f, 0.0f, 1.0f,
+    0.0f, 0.0f, 1.0f
+  };
+  
+  GLuint g_norms;
+  glGenBuffers(1, &g_norms);
+  glBindBuffer(GL_ARRAY_BUFFER, g_norms);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(g_norms_data), g_norms_data, GL_STATIC_DRAW);
+  
+  glBindFramebuffer(GL_FRAMEBUFFER, 0);
+  glViewport(0,0,1024,768);
+  glClear(GL_COLOR_BUFFER_BIT);
+  glUseProgram(finalShader);
+  glActiveTexture(GL_TEXTURE0);
+  glBindTexture(GL_TEXTURE_2D, renderedTexBufs[curBuf]);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
+  float border_color[] = {0.0f, 0.0f, 0.0f, 1.0f};
+  glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, border_color);
+        glGenerateMipmap(GL_TEXTURE_2D);
+  glUniform1i(glGetUniformLocation(finalShader, "rendertex"), 0);
+  
+  glActiveTexture(GL_TEXTURE1);
+  glBindTexture(GL_TEXTURE_2D, scanlinesTex);
+  glUniform1i(glGetUniformLocation(finalShader, "scanlinestex"), 1);
+  
+  glEnableVertexAttribArray(0);
+  glBindBuffer(GL_ARRAY_BUFFER, quad_vertexbuffer);
+  glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  
+  glEnableVertexAttribArray(1);
+  glBindBuffer(GL_ARRAY_BUFFER, g_norms);
+  glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, (void*)0);
+  
+  glDrawArrays(GL_TRIANGLES, 0, 6);
+  glDisableVertexAttribArray(1);
+  glDisableVertexAttribArray(0);
+  
+  glfwSwapBuffers(window);
+  
+  glDeleteBuffers(1, &g_norms);
+  glDeleteBuffers(1, &quad_vertexbuffer);
+  
+  curBuf = (curBuf + 1) % 2;
+}
@@ -0,0 +1,42 @@
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <glm/glm.hpp>
+
+using namespace glm;
+
+#ifndef RENDERER_H
+#define RENDERER_H
+
+struct Rectangle {
+  int x;
+  int y;
+  int w;
+  int h;
+  
+  Rectangle() {};
+  
+  Rectangle(int m_x, int m_y, int m_w, int m_h)
+  {
+    x = m_x;
+    y = m_y;
+    w = m_w;
+    h = m_h;
+  }
+};
+
+struct Texture {
+  GLuint texID;
+  int width;
+  int height;
+};
+
+GLFWwindow* initRenderer();
+void destroyRenderer();
+Texture* createTexture(int width, int height);
+void destroyTexture(Texture* tex);
+Texture* loadTextureFromBMP(char* filename);
+void fillTexture(Texture* tex, Rectangle* loc, int r, int g, int b);
+void blitTexture(Texture* srctex, Texture* dsttex, Rectangle* srcrect, Rectangle* dstrect);
+void renderScreen(Texture* tex);
+
+#endif