Refator pass 1

archive/rpg/entity/direction.c

@@ -0,0 +1,48 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "direction.h"
+#include "assert/assert.h"
+
+float_t directionToAngle(const direction_t dir) {
+  switch(dir) {
+    case DIRECTION_NORTH: return (M_PI_2);
+    case DIRECTION_SOUTH: return -(M_PI_2);
+    case DIRECTION_EAST: return 0;
+    case DIRECTION_WEST: return (M_PI);
+    default: return 0; // Should never happen
+  }
+}
+
+void directionGetVec2(const direction_t dir, vec2 out) {
+  assertNotNull(out, "Output vector cannot be NULL");
+
+  switch(dir) {
+    case DIRECTION_NORTH:
+      out[0] = 0.0f;
+      out[1] = 1.0f;
+      break;
+
+    case DIRECTION_SOUTH:
+      out[0] = 0.0f;
+      out[1] = -1.0f;
+      break;
+
+    case DIRECTION_EAST:
+      out[0] = 1.0f;
+      out[1] = 0.0f;
+      break;
+
+    case DIRECTION_WEST:
+      out[0] = -1.0f;
+      out[1] = 0.0f;
+      break;
+
+    default:
+      assertUnreachable("Invalid direction");
+  }
+}