From 927e065f9829045247be7c0b3296408b6f577c1f Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sun, 12 Jun 2022 13:44:58 +0200
Subject: feat: add reading RLE files

---
 src/game/game.cpp | 77 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 69 insertions(+), 8 deletions(-)

(limited to 'src/game/game.cpp')

diff --git a/src/game/game.cpp b/src/game/game.cpp
index 73ab7f5..8d15b86 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -3,7 +3,10 @@
 #include "engine/data/bounds.hpp"
 #include "engine/escape.hpp"
 #include "engine/keycodes.hpp"
+#include "errors/RLE_reader.hpp"
+#include "errors/io.hpp"
 #include "util/algorithm.hpp"
+#include "util/fs.hpp"
 #include "util/string.hpp"
 
 #include <fmt/color.h>
@@ -21,7 +24,8 @@ Game::Game(
 	std::shared_ptr<IGenerationTracker> generation_tracker,
 	std::shared_ptr<IStatusManager> status_manager,
 	std::shared_ptr<IUserInputObserver> user_input_observer,
-	std::shared_ptr<ICellHelper> cell_helper) noexcept
+	std::shared_ptr<ICellHelper> cell_helper,
+	std::shared_ptr<IRLEReader> rle_reader) noexcept
 	: _statusline_factory(std::move(statusline_factory)),
 	  _scene(std::move(scene)),
 	  _cursor_controller(std::move(cursor_controller)),
@@ -29,6 +33,7 @@ Game::Game(
 	  _status_manager(std::move(status_manager)),
 	  _user_input_observer(std::move(user_input_observer)),
 	  _cell_helper(std::move(cell_helper)),
+	  _rle_reader(std::move(rle_reader)),
 	  _current_mode(Mode::NORMAL),
 	  _minimum_cursor_pos_y(0)
 {
@@ -89,18 +94,74 @@ void Game::on_start() noexcept
 			scene_size.get_width(),
 			scene_size.get_height()));
 
-	_commands["ping"] = CommandInfo(
-		{.option_cnt = 0,
-		 .function = [this](CommandInfo::Options /*options*/)
+	_commands["open"] = CommandInfo(
+		{.option_cnt = 1U,
+		 .function = [this](CommandInfo::Options options)
 		 {
-			 _erase_entire_line();
+			 const auto rle_file_path =
+				 expand_path_home(std::filesystem::path(options[0]));
 
-			 const auto position = _cursor_controller->where();
+			 std::unique_ptr<IMatrix<char>> rle_matrix;
 
-			 _cursor_controller->move_to(Vector2({.x = 0, .y = position.get_y()}));
+			 try
+			 {
+				 rle_matrix = _rle_reader->read_RLE_file(rle_file_path);
+			 }
+			 catch (const InvalidRLEFileError &error)
+			 {
+				 _show_command_error(fmt::format("Error: {}", error.what()));
+				 return;
+			 }
+			 catch (const IOError &error)
+			 {
+				 _show_command_error(fmt::format("Error: {}", error.what()));
+				 return;
+			 }
+
+			 if (rle_matrix == nullptr)
+			 {
+				 _show_command_error(fmt::format(
+					 "A unknown error occurred while reading RLE file with path '{}'",
+					 rle_file_path.string()));
+				 return;
+			 }
+
+			 _return_to_normal_mode();
+
+			 const auto previous_pos = _cursor_controller->where();
+
+			 auto scene_matrix = _scene->get_matrix();
+
+			 for (auto row : *rle_matrix)
+			 {
+				 for (auto &col : row)
+				 {
+					 const auto col_pos = _cursor_controller->where();
+
+					 std::cout.put(col);
+
+					 _cursor_controller->move_to(col_pos);
+
+					 scene_matrix->set(col_pos, col);
+
+					 if (!container_has(_living_cell_positions, col_pos))
+					 {
+						 _living_cell_positions.push_back(col_pos);
+					 }
+
+					 _cursor_controller->move(Vector2::right(), 1U);
+				 }
+
+				 fmt::print("\n");
+				 const auto current_pos = _cursor_controller->where();
+
+				 _cursor_controller->move_to(
+					 Vector2({.x = previous_pos.get_x(), .y = current_pos.get_y() - 1}));
+			 }
 
-			 std::cout << "pong!";
 			 std::cout.flush();
+
+			 _cursor_controller->move_to(previous_pos);
 		 }});
 }
 
-- 
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