Texture loading done.

src/dawn/environment/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2023 Dominic Msters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    Environment.cpp
+)

src/dawn/environment/Environment.cpp

@@ -0,0 +1,31 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "Environment.hpp"
+#include "assert/assert.hpp"
+
+using namespace Dawn;
+
+Environment environment;
+
+bool_t Environment::hasVariable(const std::string &key) {
+  assertTrue(key.length() > 0, "Key must be at least 1 character long.");
+  return this->variables.find(key) != this->variables.end();
+}
+
+void Environment::setVariable(
+  const std::string &key,
+  const std::string &value
+) {
+  assertTrue(key.length() > 0, "Key must be at least 1 character long.");
+
+  this->variables[key] = value;
+}
+
+std::string Environment::getVariable(const std::string &key) {
+  assertTrue(key.length() > 0, "Key must be at least 1 character long.");
+  assertTrue(this->hasVariable(key), "Variable does not exist.");
+  return this->variables[key];
+}

src/dawn/environment/Environment.hpp

@@ -8,8 +8,34 @@
 
 namespace Dawn {
   class Environment {
-    public:
+    private:
+      std::map<std::string, std::string> variables;
 
+    public:
+      /**
+       * Checks if the environment has a variable.
+       * 
+       * @param key Variable key to check.
+       * @return True if the variable exists, false otherwise.
+       */
+      bool_t hasVariable(const std::string &key);
+
+      /**
+       * Sets a variable in the environment.
+       * 
+       * @param key Variable key to set.
+       * @param value Variable value to set.
+       */
+      void setVariable(const std::string &key, const std::string &value);
+
+      /**
+       * Gets a variable from the environment.
+       * 
+       * @param key Variable key to get.
+       * @return Variable value, or empty string if not found.
+       */
+      std::string getVariable(const std::string &key);
   };
-  extern Dawn::Environment environment;
 }
+
+extern Dawn::Environment environment;