Initial commit.

1 files changed, 152 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..ba00d88
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,152 @@
+#include "terminal-game-utils.hpp"
+#include <format>
+#include <future>
+#include <iostream>
+#include <poll.h>
+#include <queue>
+#include <string>
+#include <termios.h>
+#include <unistd.h>
+
+struct termios orig_termios;
+
+class Snake {
+private:
+  struct mSnakeUnit {
+    int x;
+    int y;
+    std::string direction;
+    std::string appearance;
+  };
+
+  const std::string HEAD_ARROWS = "⇐⇓⇑⇒";
+  const std::string SNAKE_BODY = "═║╔╗╚╝";
+
+  bool mSnakeAteApple = false;
+  char mSnakeDirection = 'r';
+  bool running = true;
+  int mWidth, mHeight, mStartingSpeed;
+  double mAcceleration;
+  std::queue<mSnakeUnit> mSnake;
+  std::queue<TGU::GameKey> mKeyQueue;
+
+  std::string mRepeat(int times, std::string str) {
+    std::string returned;
+    for (int i = 0; i < times; i++)
+      returned += str;
+    return returned;
+  }
+
+  std::string mGetTurningCharacter(std::string ldur) {
+    if (ldur.length() != 2)
+      return "";
+
+    if (ldur == "lr")
+      return "═";
+    if (ldur == "du")
+      return "║";
+    if (ldur == "dr")
+      return "╔";
+    if (ldur == "ld")
+      return "╗";
+    if (ldur == "ur")
+      return "╚";
+    if (ldur == "lu")
+      return "╝";
+
+    return "";
+  }
+
+  void mPrintBoardOutlines() {
+    TGU::MoveCursor(0, 0);
+
+    std::string horizontalLine = mRepeat(mWidth * 2 - 1, "═");
+    std::string horizontalSpaces = std::string(mWidth * 2 - 1, ' ');
+
+    std::cout << "╔" << horizontalLine + "╗" << std::endl;
+
+    for (int i = 0; i < mHeight; i++) {
+      std::cout << "║" + horizontalSpaces << "║" << std::endl;
+    }
+
+    std::cout << "╚" << horizontalLine + "╝" << std::endl;
+  }
+
+  void mSetSnakeDirection() {
+    TGU::GameKey popped = mKeyQueue.front();
+    if (popped == TGU::GameKey::W || popped == TGU::GameKey::UPARROW)
+      mSnakeDirection = 'u';
+    if (popped == TGU::GameKey::A || popped == TGU::GameKey::LEFTARROW)
+      mSnakeDirection = 'l';
+    if (popped == TGU::GameKey::S || popped == TGU::GameKey::DOWNARROW)
+      mSnakeDirection = 'd';
+    if (popped == TGU::GameKey::D || popped == TGU::GameKey::RIGHTARROW)
+      mSnakeDirection = 'r';
+  }
+
+  void mSnakeStep() {
+
+    if (!mSnakeAteApple)
+      mSnake.pop();
+    mSnake.push({1, 2, mSnakeDirection, ""})
+  }
+
+  void mGameTick() {
+    if (mKeyQueue.size() != 0) {
+      mSetSnakeDirection();
+
+      mSnakeStep();
+    }
+  }
+
+  void mInputLoop() {
+    TGU::GameKey key;
+    while (running) {
+      key = TGU::GetKeyPress();
+    }
+  }
+
+  void mGameLoop() {
+    while (running) {
+      mGameTick();
+    }
+  }
+
+public:
+  struct GameSettings {
+    int width = 14;
+    int height = 14;
+    int startingSpeed = 3;
+    double acceleration = 0.3;
+  };
+
+  Snake(const GameSettings &settings)
+      : mWidth(settings.width), mHeight(settings.height),
+        mStartingSpeed(settings.startingSpeed),
+        mAcceleration(settings.acceleration) {
+    if (mWidth < 5)
+      mWidth = 5;
+    if (mHeight < 5)
+      mHeight = 5;
+  }
+
+  void StartGame() {
+    mPrintBoardOutlines();
+
+    mSnake.push({0, 2, "lr", "═"});
+    mSnake.push({1, 2, "lr", "═"});
+    mSnake.push({2, 2, "lr", "═"});
+    mSnake.push({3, 2, "lr", "⇒"});
+
+    auto InputLoopResponse =
+        std::async(std::launch::async, [this] { mInputLoop(); });
+
+    mInputLoop();
+  }
+};
+
+int main() {
+  TGU::EnableRawMode();
+  Snake hi({});
+  hi.StartGame();
+}