From e03d0eceac0134743213f0b2e9d5f1d1dd5fbea4 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Mon, 21 Feb 2022 17:37:27 -0500
Subject: [PATCH] Add ability to load console commands from a cfg file

---
 engine/core/include/console.hpp | 4 ++++
 engine/core/src/console.cpp     | 9 +++++++++
 example/data/render_options.cfg | 1 +
 3 files changed, 14 insertions(+)
 create mode 100644 example/data/render_options.cfg

diff --git a/engine/core/include/console.hpp b/engine/core/include/console.hpp
index b108b35..9f747be 100755
--- a/engine/core/include/console.hpp
+++ b/engine/core/include/console.hpp
@@ -6,6 +6,8 @@
 #include <variant>
 #include <string>
 
+#include "path.hpp"
+
 namespace prism::console {
     enum class argument_type {
         String,
@@ -55,6 +57,8 @@ namespace prism::console {
         std::vector<argument_type> argument_types;
     };
 
+    void load_cfg(const prism::path& path);
+
     void
     register_command(std::string_view name, argument_format expected_format, function_ptr function);
 
diff --git a/engine/core/src/console.cpp b/engine/core/src/console.cpp
index 1403951..aaae156 100644
--- a/engine/core/src/console.cpp
+++ b/engine/core/src/console.cpp
@@ -6,6 +6,7 @@
 
 #include "log.hpp"
 #include "string_utils.hpp"
+#include "file.hpp"
 
 struct registered_command {
     registered_command(const prism::console::argument_format format, const prism::console::function_ptr function) : expected_format(format), function(function) {}
@@ -29,6 +30,14 @@ struct RegisteredVariable {
 
 static std::unordered_map<std::string, RegisteredVariable> registered_variables;
 
+void prism::console::load_cfg(const prism::path& path) {
+    auto file = prism::open_file(path);
+    auto stream = file->read_as_stream();
+    for (std::string line; getline( stream, line );) {
+        prism::console::parse_and_invoke_command(line);
+    }
+}
+
 void prism::console::register_command(const std::string_view name, const prism::console::argument_format expected_format, const prism::console::function_ptr function) {
     registered_commands.try_emplace(name.data(), registered_command(expected_format, function));
 }
diff --git a/example/data/render_options.cfg b/example/data/render_options.cfg
new file mode 100644
index 0000000..6c78d4d
--- /dev/null
+++ b/example/data/render_options.cfg
@@ -0,0 +1 @@
+rs_aa false
\ No newline at end of file