black background

src/Aquarium.cpp

@@ -15,9 +15,7 @@
 #include <sys/ioctl.h>
 #include <termios.h>
 #include <unistd.h>
-
 int g_maxCells = 0;
-
 // ANSI color codes
 namespace ANSI {
 const char *RESET = "\033[0m";
@@ -26,7 +24,6 @@ const char *CLEAR_SCREEN = "\033[2J";
 const char *CURSOR_HOME = "\033[H";
 const char *HIDE_CURSOR = "\033[?25l";
 const char *SHOW_CURSOR = "\033[?25h";
-
 // Colors (foreground)
 const char *BLACK = "\033[30m";
 const char *RED = "\033[31m";
@@ -36,7 +33,17 @@ const char *BLUE = "\033[34m";
 const char *MAGENTA = "\033[35m";
 const char *CYAN = "\033[36m";
 const char *WHITE = "\033[37m";
-
+// Background colors
+const char *BG_BLACK = "\033[40m";
+const char *BG_RED = "\033[41m";
+const char *BG_GREEN = "\033[42m";
+const char *BG_YELLOW = "\033[43m";
+const char *BG_BLUE = "\033[44m";
+const char *BG_MAGENTA = "\033[45m";
+const char *BG_CYAN = "\033[46m";
+const char *BG_WHITE = "\033[47m";
+// Combined reset with black background
+const char *RESET_BLACK_BG = "\033[0;40m";
 // Move cursor to position
 std::string moveTo(int row, int col) {
   char buffer[32];
@@ -44,11 +51,9 @@ std::string moveTo(int row, int col) {
   return std::string(buffer);
 }
 } // namespace ANSI
-
 // Global terminal state
 static struct termios original_termios;
 static bool termios_saved = false;
-
 // Signal handler for cleanup
 void cleanup_terminal(int sig) {
   if (termios_saved) {
@@ -60,18 +65,15 @@ void cleanup_terminal(int sig) {
     exit(sig);
   }
 }
-
 Aquarium::Aquarium() {
   // Save original terminal settings
   if (tcgetattr(STDIN_FILENO, &original_termios) == 0) {
     termios_saved = true;
   }
-
   // Set up signal handlers for cleanup
   signal(SIGINT, cleanup_terminal);
   signal(SIGTERM, cleanup_terminal);
   signal(SIGQUIT, cleanup_terminal);
-
   // Set terminal to raw mode
   struct termios raw = original_termios;
   raw.c_lflag &= ~(ECHO | ICANON | ISIG);
@@ -79,37 +81,31 @@ Aquarium::Aquarium() {
   raw.c_oflag &= ~(OPOST);
   raw.c_cc[VMIN] = 0;  // Non-blocking read
   raw.c_cc[VTIME] = 1; // 100ms timeout
-
   tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw);
-
-  // Initialize display
-  printf("%s%s%s", ANSI::CLEAR_SCREEN, ANSI::CURSOR_HOME, ANSI::HIDE_CURSOR);
+  // Initialize display with black background
+  printf("%s%s%s%s", ANSI::CLEAR_SCREEN, ANSI::CURSOR_HOME, ANSI::HIDE_CURSOR,
+         ANSI::BG_BLACK);
   fflush(stdout);
-
   // Get terminal size
   getTerminalSize();
-
   currentFrame.assign(height, std::vector<Cell>(width));
   previousFrame.assign(height, std::vector<Cell>(width));
-
   if (!colorLookupInitialized) {
     initColorLookup();
     colorLookupInitialized = true;
   }
 }
-
 void Aquarium::getTerminalSize() {
   struct winsize ws;
   if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == 0) {
     height = ws.ws_row;
     width = ws.ws_col;
   } else {
-    // Fallback to reasonable defaults
+    // Fallback
     height = 24;
     width = 80;
   }
 }
-
 void Aquarium::ensureEntitiesSorted() {
   if (entities_need_sorting) {
     std::sort(entities.begin(), entities.end(),
@@ -123,23 +119,18 @@ void Aquarium::ensureEntitiesSorted() {
     entities_need_sorting = false;
   }
 }
-
 void Aquarium::redraw() {
   clearCurrentFrame();
   ensureBigEntityExists();
-
   // Use static vectors to avoid per-frame allocations
   static std::vector<std::unique_ptr<Entity>> newEntities;
   static std::vector<size_t> entitiesToRemove;
-
   newEntities.clear();
   entitiesToRemove.clear();
-
   // Update all entities and collect changes
   for (size_t i = 0; i < entities.size(); ++i) {
     auto &entity = entities[i];
     entity->update();
-
     // Handle fish bubble spawning
     if (auto *fish = dynamic_cast<Fish *>(entity.get())) {
       if (fish->shouldSpawnBubble()) {
@@ -147,7 +138,6 @@ void Aquarium::redraw() {
             std::make_unique<Bubble>(fish->getX(), fish->getY()));
       }
     }
-
     if (entity->shouldBeRemoved()) {
       auto replacement = entity->createReplacement();
       if (replacement) {
@@ -158,41 +148,33 @@ void Aquarium::redraw() {
       }
     }
   }
-
   // Remove entities in reverse order to maintain indices
   for (auto it = entitiesToRemove.rbegin(); it != entitiesToRemove.rend();
        ++it) {
     entities.erase(entities.begin() + *it);
     entities_need_sorting = true;
   }
-
   // Add new entities if we have them
   if (!newEntities.empty()) {
     // Reserve space to minimize reallocations
     entities.reserve(entities.size() + newEntities.size());
-
     for (auto &newEntity : newEntities) {
       entities.emplace_back(std::move(newEntity));
     }
     entities_need_sorting = true;
   }
-
   ensureEntitiesSorted();
-
   // Draw all entities
   for (const auto &entity : entities) {
     entity->draw();
   }
-
   renderToScreen();
 }
-
 void Aquarium::resize() {
-  printf("%s%s", ANSI::CLEAR_SCREEN, ANSI::CURSOR_HOME);
+  // Clear screen and set black background
+  printf("%s%s%s", ANSI::CLEAR_SCREEN, ANSI::CURSOR_HOME, ANSI::BG_BLACK);
   fflush(stdout);
-
   getTerminalSize();
-
   if (g_maxCells && height * width > g_maxCells) {
     cleanup_terminal(0);
     std::cerr << "Error: Terminal too large. Maximum allowed area is "
@@ -200,13 +182,10 @@ void Aquarium::resize() {
               << (height * width) << ".\n";
     std::exit(1);
   }
-
   currentFrame.assign(height, std::vector<Cell>(width));
   previousFrame.assign(height, std::vector<Cell>(width));
-
   entities.clear();
   entities_need_sorting = true;
-
   addWaterline();
   addCastle();
   for (int i = 0; i < width / 15; i++)
@@ -214,7 +193,6 @@ void Aquarium::resize() {
   for (int i = 0; i < width * (height - 9) / 350; i++)
     addFish();
 }
-
 void Aquarium::addFish() { addEntityImpl<Fish>(); }
 void Aquarium::addBubble(float x, float y) { addEntityImpl<Bubble>(x, y); }
 void Aquarium::addSeaweed() { addEntityImpl<Seaweed>(); }
@@ -223,7 +201,6 @@ void Aquarium::addCastle() { addEntityImpl<Castle>(); }
 void Aquarium::addShip() { addEntityImpl<Ship>(); }
 void Aquarium::addSeaMonster() { addEntityImpl<SeaMonster>(); }
 void Aquarium::addWhale() { addEntityImpl<Whale>(); }
-
 void Aquarium::ensureBigEntityExists() {
   // Check if any big entities exist on screen
   for (const auto &entity : entities) {
@@ -233,8 +210,7 @@ void Aquarium::ensureBigEntityExists() {
       return; // Big entity found, do nothing
     }
   }
-
-  // No big entity found, spawn next in cycle (Ship, SeaMonster, Whale)
+  // No big entity found, spawn next in cycle
   int entity_type = big_entity_index % 3;
   if (entity_type == 0) {
     addEntityImpl<Ship>();
@@ -245,35 +221,28 @@ void Aquarium::ensureBigEntityExists() {
   }
   ++big_entity_index;
 }
-
 void Aquarium::clearCurrentFrame() {
   for (auto &row : currentFrame) {
     std::fill(row.begin(), row.end(), Cell());
   }
 }
-
 void Aquarium::drawToFrame(int y, int x, const std::string &line,
                            const std::string &colorLine) {
   const size_t len = std::min(line.size(), colorLine.size());
-
   for (size_t j = 0; j < len; ++j) {
     int cx = x + static_cast<int>(j);
     if (cx < 0 || cx >= width)
       continue;
-
     const char ch = line[j];
     const char colorChar = colorLine[j];
     const bool isBold = (colorChar >= 'A' && colorChar <= 'Z');
-
     currentFrame[y][cx] = {
         ch, static_cast<char>(isBold ? colorChar + 32 : colorChar), isBold};
   }
 }
-
 void Aquarium::initColorLookup() {
   for (int i = 0; i < 256; ++i)
     colorLookup[i] = ANSI::BLACK; // Default black
-
   colorLookup['r'] = ANSI::RED;
   colorLookup['g'] = ANSI::GREEN;
   colorLookup['y'] = ANSI::YELLOW;
@@ -283,48 +252,34 @@ void Aquarium::initColorLookup() {
   colorLookup['w'] = ANSI::WHITE;
   colorLookup['k'] = ANSI::BLACK;
 }
-
-void Aquarium::initColors() {
-  // This function is kept for compatibility but does nothing
-  // since we're using ANSI colors directly
-}
-
 void Aquarium::renderToScreen() {
   static std::string output;
   output.clear();
   output.reserve(height * width * 20); // Reserve space for efficiency
-
   for (int y = 0; y < height; ++y) {
     for (int x = 0; x < width; ++x) {
       const Cell &newCell = currentFrame[y][x];
       Cell &oldCell = previousFrame[y][x];
-
       if (newCell != oldCell) {
         oldCell = newCell;
-
         // Move cursor to position
         output += ANSI::moveTo(y, x);
-
-        // Set color and attributes
-        output += ANSI::RESET; // Reset first
+        // Set color and attributes with black background
+        output += ANSI::RESET_BLACK_BG; // Reset with black background
         if (newCell.bold) {
           output += ANSI::BOLD;
         }
         output += colorLookup[static_cast<unsigned char>(newCell.colorChar)];
-
         // Add the character
         output += newCell.ch;
       }
     }
   }
-
-  // Output everything at once for better performance
+  // Output everything at once
   if (!output.empty()) {
-    printf("%s", output.c_str());
-    fflush(stdout);
+    std::cout << output << std::flush;
   }
 }
-
 // Check for input (non-blocking)
 int Aquarium::checkInput() {
   char c;
@@ -333,8 +288,7 @@ int Aquarium::checkInput() {
   }
   return -1; // No input available
 }
-
-// Check if terminal was resized (you'll need to call this periodically)
+// Check if terminal was resized
 bool Aquarium::checkResize() {
   struct winsize ws;
   if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == 0) {
@@ -344,5 +298,4 @@ bool Aquarium::checkResize() {
   }
   return false;
 }
-
 Aquarium::~Aquarium() { cleanup_terminal(0); }