Move source files to src folder

We'll be making a few source files it'll be useful to have them
organized at least somewhat from our non-src files

7 files changed, 809 insertions, 0 deletions

diff --git a/src/helper.cpp b/src/helper.cpp
new file mode 100644
index 0000000..8d6f3ce
--- /dev/null
+++ b/src/helper.cpp
@@ -0,0 +1,265 @@
+#include "helper.hpp"
+#include <iostream>
+
+std::shared_ptr<std::vector<sf::Texture>>
+loadTextures(const char* path)
+{
+  int sprite_width = SPRITE_SIZE, sprite_height = SPRITE_SIZE;
+  sf::Image textureAtlas;
+  if (!textureAtlas.loadFromFile(path)) {
+    std::cerr << "Unable to load textures from file: " << path << std::endl;
+    throw std::runtime_error("Unable to load spritesheet");
+  }
+
+  textureAtlas.createMaskFromColor(GLOBAL_MASK);
+  auto imageSize = textureAtlas.getSize();
+
+  auto textures = std::make_shared<std::vector<sf::Texture>>();
+
+  for (int y = 0; y < imageSize.y; y += sprite_height) {
+    for (int x = 0; x < imageSize.x; x += sprite_width) {
+      sf::Texture t;
+      t.loadFromImage(textureAtlas,
+                      sf::IntRect(x, y, sprite_width, sprite_height));
+      textures->push_back(t);
+    }
+  }
+  return textures;
+}
+
+// increment through the textures
+inline int
+next(int* p, int max)
+{
+  int i = *p;
+  (*p) = (i + 1) % max;
+  return i;
+}
+
+std::shared_ptr<std::vector<sf::Sprite>>
+createBoard(std::shared_ptr<std::vector<sf::Texture>> textures)
+{
+  auto sprites = std::make_shared<std::vector<sf::Sprite>>();
+  sf::Texture& star_texture = (*textures)[STAR_TILE];
+  int blank_idx = 0;
+  int sp_idx = 0;
+  // p1 pieces
+  // p1 star
+  {
+    sf::Sprite s;
+    s.setTexture(star_texture);
+    s.setPosition(pos(3, 5));
+    sprites->push_back(s);
+  }
+  // p1 start
+  for (int i = 0; i < 3; i++) {
+    sf::Texture& t = (*textures)[P1_BOARD_TILES[next(&sp_idx, 2)]];
+    sf::Sprite s;
+    s.setTexture(t);
+    s.setPosition(pos(4 + i, 5));
+    sprites->push_back(s);
+  }
+  // p1 end
+  {
+    sf::Sprite goal;
+    goal.setTexture((*textures)[P1_END]);
+    goal.setPosition(pos(8, 5));
+    sprites->push_back(goal);
+
+    sf::Sprite end_star;
+    end_star.setTexture(star_texture);
+    end_star.setPosition(pos(9, 5));
+    sprites->push_back(end_star);
+
+    sf::Texture& t = (*textures)[P1_BOARD_TILES[next(&sp_idx, 2)]];
+    sf::Sprite s;
+    s.setTexture(t);
+    s.setPosition(pos(10, 5));
+    sprites->push_back(s);
+  }
+  // center pieces
+  for (int i = 0; i < 8; i++) {
+    sf::Sprite s;
+    if (i == 3) {
+      s.setTexture(star_texture);
+    } else {
+      sf::Texture& t = (*textures)[BLANK_TILES[next(&blank_idx, 3)]];
+      s.setTexture(t);
+    }
+    s.setPosition(pos(3 + i, 4));
+    sprites->push_back(s);
+  }
+  // p2 pieces
+  // p2 star
+  {
+    sf::Sprite s;
+    s.setTexture(star_texture);
+    s.setPosition(pos(3, 3));
+    sprites->push_back(s);
+  }
+  // p2 start
+  for (int i = 0; i < 3; i++) {
+    sf::Texture& t = (*textures)[P2_BOARD_TILES[next(&sp_idx, 2)]];
+    sf::Sprite s;
+    s.setTexture(t);
+    s.setPosition(pos(4 + i, 3));
+    sprites->push_back(s);
+  }
+  // p2 end
+  {
+    sf::Sprite goal;
+    goal.setTexture((*textures)[P2_END]);
+    goal.setPosition(pos(8, 3));
+    sprites->push_back(goal);
+
+    sf::Sprite end_star;
+    end_star.setTexture(star_texture);
+    end_star.setPosition(pos(9, 3));
+    sprites->push_back(end_star);
+
+    sf::Texture& t = (*textures)[P2_BOARD_TILES[next(&sp_idx, 2)]];
+    sf::Sprite end_tile;
+    end_tile.setTexture(t);
+    end_tile.setPosition(pos(10, 3));
+    sprites->push_back(end_tile);
+  }
+
+  return sprites;
+}
+
+sf::Font
+loadFont()
+{
+  sf::Font font;
+  if (!font.loadFromFile("./res/DejaVuSansMono.ttf")) {
+    std::cerr << "Unable to load font" << std::endl;
+    throw std::runtime_error("Unable to load font");
+  }
+  return font;
+}
+
+std::shared_ptr<struct piece_t>
+createPiece(int id, sf::Texture& texture)
+{
+
+  sf::Sprite s(texture);
+  auto p = std::make_shared<struct piece_t>();
+  p->id = id;
+  p->sprite = s;
+
+  return p;
+}
+
+std::shared_ptr<struct player_t>
+createPlayer(sf::Texture& texture)
+{
+  std::shared_ptr<struct player_t> player = std::make_shared<struct player_t>();
+  player->score = 0;
+  player->pieces = std::make_shared<std::vector<struct piece_t>>();
+  for (int i = 0; i < NUM_PIECES; i++) {
+    player->pieces->push_back(*createPiece(i + 1, texture));
+  }
+
+  return player;
+}
+
+std::shared_ptr<std::vector<struct dice_t>>
+createAllDice(sf::Texture& die0Texture, sf::Texture& die1Texture)
+{
+  auto dice = std::make_shared<std::vector<struct dice_t>>();
+
+  // create dice, even 0 odds 1
+  // there are 8 dice results int total
+  // 4 potential 0s
+  // 4 potential 1s
+  // The dice will be rendered in pairs
+  // [0, 1] will be the left most die
+  // [2, 3] will be the second
+  // ... and so on
+  // Since a die can only have 2 results (0 or 1)
+  // To simplify how we will be placing them, the results of the roll
+  // will dictate which value each die gets
+  for (int i = 0; i < 8; i++) {
+    if (i % 2 == 0) {
+      sf::Sprite s;
+      s.setTexture(die0Texture);
+      struct dice_t die = { 0, true, s };
+      dice->push_back(die);
+    } else {
+      sf::Sprite s;
+      s.setTexture(die1Texture);
+      struct dice_t die = { 1, false, s };
+      dice->push_back(die);
+    }
+  }
+
+  return dice;
+}
+
+std::shared_ptr<std::vector<sf::Sprite>>
+createRollSprites(sf::Texture& t1, sf::Texture& t2)
+{
+  auto sprites = std::make_shared<std::vector<sf::Sprite>>();
+
+  sprites->push_back(sf::Sprite(t1));
+  sprites->push_back(sf::Sprite(t2));
+
+  return sprites;
+}
+
+void
+makeNum(sf::Sprite* sprite_ptr,
+        int num,
+        std::shared_ptr<std::vector<sf::Texture>> textures)
+{
+  sf::Texture& t = (*textures)[NUMS_TILES[num]];
+  sprite_ptr->setTexture(t);
+};
+
+bool
+clickedPiece(sf::Vector2i mousePosition, struct piece_t* piece)
+{
+  return piece->sprite.getGlobalBounds().contains(mousePosition.x,
+                                                  mousePosition.y);
+}
+
+bool
+canMovePiece(struct piece_t* piece,
+             int roll,
+             std::shared_ptr<std::vector<struct piece_t>> myPieces,
+             std::shared_ptr<std::vector<struct piece_t>> enemyPieces)
+{
+  int next = piece->position + roll;
+
+  // rolled passed the exit
+  if (next > EXIT_SPACE) {
+    return false;
+  }
+
+  // colliding with another piece
+  for (struct piece_t& p : (*myPieces)) {
+    // cannot move onto your own piece
+    if (p.id != piece->id && p.position == next) {
+      return false;
+    }
+  }
+
+  // can't attack in safe square
+  for (struct piece_t& p : (*enemyPieces)) {
+    // cannot move onto a protected enemy piece
+    if (next == SAFE_SPACE && p.position == SAFE_SPACE) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+// This function takes in an row and col we want to put the sprite in
+// and translate it to a real position in the view
+// This is because we've ZOOMed in an that adjusts the entire view.
+sf::Vector2f
+pos(float c, float r)
+{
+  return { c * SPRITE_SIZE, r * SPRITE_SIZE };
+}
diff --git a/src/helper.hpp b/src/helper.hpp
new file mode 100644
index 0000000..3e7ffbb
--- /dev/null
+++ b/src/helper.hpp
@@ -0,0 +1,104 @@
+#ifndef UR_HELPER_H
+#define UR_HELPER_H
+
+#include <SFML/Graphics.hpp>
+#include <memory>
+#include <vector>
+
+// BOARD LAYOUT [0, 1, 2, 3](start) [4,5,6,7,8,9,10,11](middle), [12,13](end)
+
+static const unsigned int SPRITE_SIZE = 16;
+static const unsigned int NUM_PIECES = 7;
+static const unsigned int SAFE_SPACE = 7;  // 0-indexed
+static const unsigned int EXIT_SPACE = 14; // final space + 1
+static const float ZOOM = 0.5f;
+static const float SPRITE_ROWS = 9.f;
+static const float SPRITE_COLS = 14.f;
+static const float SCR_W = SPRITE_SIZE / ZOOM * SPRITE_COLS / ZOOM;
+static const float SCR_H = SPRITE_SIZE / ZOOM * SPRITE_ROWS / ZOOM;
+static const int P1_PIECE = 19;
+static const int P2_PIECE = 18;
+static const int P1_BOARD_TILES[2] = { 0, 1 };
+static const int P2_BOARD_TILES[2] = { 2, 3 };
+static const int STAR_TILE = 4;
+static const int BLANK_TILES[3] = { 5, 6, 7 };
+static const int P1_END = 22;
+static const int P2_END = 23;
+static const int DIE_0 = 17;
+static const int DIE_1 = 16;
+static const int NUMS_TILES[8] = { 8, 9, 10, 11, 12, 13, 14, 15 };
+static const int ROLL_TILES[2] = { 20, 21 };
+
+static const char* TITLE = "Royal Game of Ur";
+static const sf::Color GLOBAL_MASK(255, 0, 255, 255);
+
+enum GameState
+{
+  WAITING,
+  ROLLING,
+  PLACING,
+  GAME_OVER
+};
+
+struct piece_t
+{
+  int id;
+  int position;
+  sf::Sprite sprite;
+};
+
+struct player_t
+{
+  int score;
+  std::shared_ptr<std::vector<struct piece_t>> pieces;
+};
+
+struct dice_t
+{
+  int value;
+  bool show;
+  sf::Sprite sprite;
+};
+
+std::shared_ptr<std::vector<sf::Texture>>
+loadTextures(const char* path);
+
+std::shared_ptr<std::vector<sf::Sprite>>
+createBoard(std::shared_ptr<std::vector<sf::Texture>> textures);
+
+sf::Font
+loadFont();
+
+std::shared_ptr<struct player_t>
+createPlayer(sf::Texture& pieceTexture);
+
+std::shared_ptr<struct piece_t>
+createPiece(int id, sf::Texture& texture);
+
+std::shared_ptr<std::vector<struct dice_t>>
+createAllDice(sf::Texture& die0Texture, sf::Texture& die1Texture);
+
+std::shared_ptr<std::vector<sf::Sprite>>
+createRollSprites(sf::Texture& t1, sf::Texture& t2);
+
+void
+makeNum(sf::Sprite* sprite_ptr,
+        int num,
+        std::shared_ptr<std::vector<sf::Texture>> textures);
+
+bool
+clickedPiece(sf::Vector2i mousePosition, std::shared_ptr<struct piece_t> piece);
+
+bool
+canMovePiece(std::shared_ptr<struct piece_t> piece,
+             int roll,
+             std::shared_ptr<std::vector<struct piece_t>> myPieces,
+             std::shared_ptr<std::vector<struct piece_t>> enemyPieces);
+
+std::vector<int>
+getLegalMoves(std::shared_ptr<struct player_t> activePlayer,
+              std::shared_ptr<struct player_t> opponent);
+
+sf::Vector2f
+pos(float c, float r);
+#endif
diff --git a/src/random.cpp b/src/random.cpp
new file mode 100644
index 0000000..e94b191
--- /dev/null
+++ b/src/random.cpp
@@ -0,0 +1,27 @@
+#include "random.hpp"
+#include <chrono>
+#include <cmath>
+
+namespace ur {
+
+Random::Random(int min, int max)
+{
+  this->min = min;
+  this->max = max;
+  // setup the random stuff
+  unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
+  this->engine = std::default_random_engine(seed);
+
+  // setup distribution
+  float range = float(max - min);
+  this->distribution =
+    std::normal_distribution<float>(range / 2.f, range / 4.f);
+}
+
+int
+Random::next()
+{
+  return std::round(this->distribution(this->engine));
+}
+
+}
diff --git a/src/random.hpp b/src/random.hpp
new file mode 100644
index 0000000..e74267a
--- /dev/null
+++ b/src/random.hpp
@@ -0,0 +1,19 @@
+#ifndef UR_RANDOM_H
+#define UR_RANDOM_H
+
+#include <random>
+namespace ur {
+class Random
+{
+public:
+  Random(int min, int max);
+  int next();
+
+private:
+  int min;
+  int max;
+  std::default_random_engine engine;
+  std::normal_distribution<float> distribution;
+};
+}
+#endif
diff --git a/src/timedLatch.cpp b/src/timedLatch.cpp
new file mode 100644
index 0000000..66714a5
--- /dev/null
+++ b/src/timedLatch.cpp
@@ -0,0 +1,38 @@
+#include "timedLatch.hpp"
+
+namespace ur {
+
+TimedLatch::TimedLatch(sf::Time duration)
+{
+  this->duration = duration;
+  this->clock = sf::Clock();
+  this->isStarted = false;
+};
+
+void
+TimedLatch::start()
+{
+  this->clock.restart();
+  this->isStarted = true;
+};
+
+bool
+TimedLatch::is_running()
+{
+  return this->isStarted && this->clock.getElapsedTime() < duration;
+};
+
+bool
+TimedLatch::is_completed()
+{
+
+  return this->isStarted && this->clock.getElapsedTime() >= duration;
+};
+
+void
+TimedLatch::reset()
+{
+  this->isStarted = false;
+};
+
+}
diff --git a/src/timedLatch.hpp b/src/timedLatch.hpp
new file mode 100644
index 0000000..77c7d49
--- /dev/null
+++ b/src/timedLatch.hpp
@@ -0,0 +1,22 @@
+#ifndef UR_TIMEDLATCH_H
+#define UR_TIMEDLATCH_H
+#include <SFML/System.hpp>
+
+namespace ur {
+class TimedLatch
+{
+public:
+  TimedLatch(sf::Time duration);
+  void start();
+  void reset();
+  bool is_running();
+  bool is_completed();
+
+private:
+  bool isStarted;
+  sf::Time duration;
+  sf::Clock clock; // internal sfml clock to manage time
+};
+}
+
+#endif
diff --git a/src/ur.cpp b/src/ur.cpp
new file mode 100644
index 0000000..dc61eb3
--- /dev/null
+++ b/src/ur.cpp
@@ -0,0 +1,334 @@
+#include "helper.hpp"
+#include "random.hpp"
+#include "timedLatch.hpp"
+#include <SFML/Graphics.hpp>
+#include <SFML/System.hpp>
+#include <iostream>
+#include <string>
+
+const char* TEXTURE_PATH = "./res/ur.png";
+const float PAD = 32.f;
+const float PIECE_PAD = 8.f;
+const float TEXT_OFFSET = 8.f;
+const sf::Color BG_COLOR = sf::Color(66, 47, 81, 255);
+const sf::Color SEMI_TRANSPARENT = sf::Color(255, 255, 255, 128);
+
+ur::Random dice_rand(0, 1); // 50/50 random
+GameState state = GameState::WAITING;
+GameState prev_state = GameState::WAITING;
+struct piece_t* grabbed_piece = nullptr;
+sf::Vector2f grabbed_piece_origin;
+
+int turn_roll = 0;
+bool mouse_left_locked = false;
+
+inline void
+change_state(GameState next)
+{
+  std::cout << "GameState == " << next << std::endl;
+  prev_state = state;
+  state = next;
+}
+
+// p1 = false, p2 = true
+bool turn_tracker = false;
+int rolling_frame = 0;
+
+inline void
+next(int* i, int max)
+{
+  (*i) = ((*i) + 1) % max;
+}
+
+inline void
+next_turn()
+{
+  turn_tracker = !turn_tracker;
+  change_state(GameState::WAITING);
+}
+
+inline bool
+p1_turn()
+{
+  return !turn_tracker;
+}
+
+inline bool
+p2_turn()
+{
+  return turn_tracker;
+}
+
+inline void
+render_dice(sf::RenderWindow* window,
+            std::shared_ptr<std::vector<struct dice_t>> dice,
+            std::shared_ptr<std::vector<sf::Sprite>> roll_sprites,
+            std::shared_ptr<std::vector<sf::Texture>> textures,
+            sf::Sprite* roll_result,
+            ur::TimedLatch* animation_timer,
+            ur::TimedLatch* animation_frame_timer)
+{
+
+  if (animation_timer->is_completed()) {
+    animation_timer->reset();
+    change_state(GameState::PLACING);
+    int rolls[4] = {
+      dice_rand.next(), dice_rand.next(), dice_rand.next(), dice_rand.next()
+    };
+    // draw roll result
+    for (int i = 0; i < 8; i++) {
+      auto& die = (*dice)[i];
+      die.show = die.value == rolls[i / 2];
+    }
+    // set roll result
+    for (int r : rolls)
+      turn_roll += r;
+  }
+
+  // draw dice
+  int dice_r, dice_c, roll_r, roll_c;
+  if (p1_turn()) {
+    dice_r = 6;
+    dice_c = 11;
+    roll_r = dice_r + 2;
+    roll_c = dice_c;
+  } else {
+    dice_r = 1;
+    dice_c = 11;
+    roll_r = dice_r - 1;
+    roll_c = dice_c;
+  }
+
+  if (state == GameState::PLACING) {
+    // draw roll text
+    makeNum(roll_result, turn_roll, textures);
+    window->draw(*roll_result);
+  } else if (state == GameState::ROLLING) {
+    // if completed update dice sprites
+    if (animation_frame_timer->is_completed()) {
+      // iterate over each pair of dice sprites
+      // and show whichever matches the roll
+      for (int i = 0; i < 8; i += 2) {
+        int result = dice_rand.next();
+        (*dice)[i].show = result == 0;
+        (*dice)[i + 1].show = result == 1;
+      }
+    }
+    // make sure we're started!
+    // note - this should come after the completed check otherwise we'll always
+    // restart it
+    if (!animation_frame_timer->is_running()) {
+      animation_frame_timer->start();
+    }
+
+  } else {
+    // draw initial values
+    // draw the 0s
+    int c = dice_c, r = dice_r;
+    for (int i = 0; i < 8; i += 2) {
+      auto& die = (*dice)[i];
+      die.sprite.setPosition(pos(c++, r));
+      window->draw(die.sprite);
+      if (i == 2) {
+        c = dice_c;
+        r += 1;
+      }
+    }
+  }
+
+  int c = dice_c, r = dice_r;
+  int i = 0;
+  for (auto& die : (*dice)) {
+    if (die.show) {
+      die.sprite.setPosition(pos(c++, r));
+      window->draw(die.sprite);
+      if (++i == 2) {
+        c = dice_c;
+        r += 1;
+      }
+    }
+  }
+  c = roll_c, r = roll_r;
+  for (auto& s : (*roll_sprites)) {
+    s.setPosition(pos(c++, r));
+  }
+}
+
+int
+main()
+{
+  const std::shared_ptr<std::vector<sf::Texture>> textures =
+    loadTextures(TEXTURE_PATH);
+
+  const std::shared_ptr<std::vector<sf::Sprite>> board = createBoard(textures);
+
+  const std::shared_ptr<struct player_t> p1 =
+    createPlayer((*textures)[P1_PIECE]);
+
+  const std::shared_ptr<struct player_t> p2 =
+    createPlayer((*textures)[P2_PIECE]);
+
+  const std::shared_ptr<std::vector<sf::Sprite>> roll_sprites =
+    createRollSprites((*textures)[ROLL_TILES[0]], (*textures)[ROLL_TILES[1]]);
+
+  const std::shared_ptr<std::vector<struct dice_t>> dice =
+    createAllDice((*textures)[DIE_0], (*textures)[DIE_1]);
+
+  sf::Sprite p1Score;
+  p1Score.setPosition(pos(0, SPRITE_ROWS - 1));
+  makeNum(&p1Score, 0, textures);
+
+  sf::Sprite p2Score;
+  p2Score.setPosition(pos(0, 0));
+  makeNum(&p2Score, 0, textures);
+
+  // init piece positions
+  int p_num = (SPRITE_COLS / 2) - (p1->pieces->size() / 2) - 1;
+  for (auto& p : *(p1->pieces)) {
+    p.sprite.setPosition(pos(p_num++, SPRITE_ROWS - 1));
+  }
+
+  p_num = (SPRITE_COLS / 2) - (p2->pieces->size() / 2) - 1;
+  for (auto& p : *(p2->pieces)) {
+    p.sprite.setPosition(pos(p_num++, 0));
+  }
+
+  sf::Sprite roll_result;
+  roll_result.setPosition(pos(12, 4));
+
+  sf::RenderWindow window(sf::VideoMode(SCR_W, SCR_H), TITLE);
+  window.setFramerateLimit(60);
+  window.setVerticalSyncEnabled(true);
+
+  sf::View view(window.getDefaultView());
+  view.zoom(ZOOM);
+  view.setSize(view.getSize() * ZOOM);
+  view.setCenter(view.getSize() / 2.f);
+
+  ur::TimedLatch rolling_animation_timer(sf::seconds(3));
+  ur::TimedLatch rolling_animation_frame_pause_timer(sf::milliseconds(100));
+
+  while (window.isOpen()) {
+
+    sf::Event event;
+    while (window.pollEvent(event)) {
+      if (event.type == sf::Event::Closed ||
+          sf::Keyboard::isKeyPressed(sf::Keyboard::Q)) {
+        window.close();
+      }
+
+      if (sf::Mouse::isButtonPressed(sf::Mouse::Button::Left) &&
+          !mouse_left_locked) {
+        mouse_left_locked = true;
+        // check rolling button click
+        window.setView(view);
+        auto mPos = window.mapPixelToCoords(sf::Mouse::getPosition(window));
+
+        // was roll clicked
+        if (state == GameState::WAITING) {
+          for (auto& s : (*roll_sprites)) {
+            // zoom sprite bounds
+            if (s.getGlobalBounds().contains(mPos)) {
+              std::cout << "Roll!" << std::endl;
+              // setup for rolling
+              rolling_animation_timer.start();
+              change_state(GameState::ROLLING);
+              for (auto& rs : (*roll_sprites)) {
+                rs.setColor(SEMI_TRANSPARENT);
+              }
+              for (int i = 0; i < 8; i++) {
+                (*dice)[i].show = i % 2 == 0; // only show the 0s
+              }
+              break;
+            }
+          }
+        } else if (state == GameState::PLACING) {
+          // is a piece being clicked
+          std::shared_ptr<std::vector<struct piece_t>> pieces;
+          if (p1_turn()) {
+            pieces = p1->pieces;
+          } else {
+            pieces = p2->pieces;
+          }
+
+          for (auto& p : (*pieces)) {
+            if (p.sprite.getGlobalBounds().contains(mPos)) {
+              grabbed_piece = &p;
+              grabbed_piece_origin = grabbed_piece->sprite.getPosition();
+              break;
+            }
+          }
+        }
+        window.setView(window.getDefaultView()); // reset back to main view
+      } else if (!sf::Mouse::isButtonPressed(sf::Mouse::Button::Left)) {
+        mouse_left_locked = false;
+        if (state == GameState::PLACING && grabbed_piece != nullptr) {
+          // did the piece drop into place
+          bool in_place = false;
+          sf::FloatRect intersect;
+          for (auto& s : *(board)) {
+            if (s.getGlobalBounds().intersects(
+                  grabbed_piece->sprite.getGlobalBounds(), intersect)) {
+              if (intersect.width > SPRITE_SIZE / 2 &&
+                  intersect.height > SPRITE_SIZE / 2) {
+                grabbed_piece->sprite.setPosition(s.getPosition());
+                in_place = true;
+                break;
+              }
+            }
+          }
+
+          if (in_place) {
+            next_turn();
+            turn_roll = 0;
+            for (auto& s : (*roll_sprites)) {
+              s.setColor(sf::Color::White);
+            }
+          } else {
+            grabbed_piece->sprite.setPosition(grabbed_piece_origin);
+          }
+          grabbed_piece = nullptr;
+        }
+      }
+    }
+
+    window.clear(BG_COLOR);
+    window.setView(view);
+
+    for (auto s : *(board)) {
+      window.draw(s);
+    }
+
+    auto mPos = window.mapPixelToCoords(sf::Mouse::getPosition(window));
+    if (grabbed_piece != nullptr) {
+      float x = mPos.x - (grabbed_piece->sprite.getGlobalBounds().width / 2);
+      float y = mPos.y - (grabbed_piece->sprite.getGlobalBounds().height / 2);
+      grabbed_piece->sprite.setPosition(x, y);
+    }
+    // draw unused pieces
+    for (auto& p : *(p1->pieces)) {
+      window.draw(p.sprite);
+    }
+    for (auto& p : *(p2->pieces)) {
+      window.draw(p.sprite);
+    }
+
+    render_dice(&window,
+                dice,
+                roll_sprites,
+                textures,
+                &roll_result,
+                &rolling_animation_timer,
+                &rolling_animation_frame_pause_timer);
+    for (auto& s : (*roll_sprites)) {
+      window.draw(s);
+    }
+
+    window.draw(p1Score);
+    window.draw(p2Score);
+    window.setView(window.getDefaultView());
+    window.display();
+  }
+
+  return EXIT_SUCCESS;
+}