Initial rodecomp source snapshot

Source/Contents/ModelNodeBounds.cpp

@@ -0,0 +1,52 @@
+#include "Contents/ModelNode.h"
+
+#include <cstring>
+
+// OFFSET: 0x00ABB300
+// FUNCTION: fn_17514
+void C3dNode::AccumulateBounds(float* bounds, const float* matrix) {
+  AffineMatrix parentMatrix;
+  std::memcpy(parentMatrix.values, matrix, sizeof(parentMatrix.values));
+  AffineMatrix combined;
+  combined.Compose(this->transform, parentMatrix);
+
+  for (const auto& vertex : this->mesh->vertices) {
+    const float x =
+      ((vertex[0] * combined.values[0] + vertex[1] * combined.values[3]) + vertex[2] * combined.values[6]) +
+      combined.values[9];
+    const float y =
+      ((vertex[1] * combined.values[4] + vertex[0] * combined.values[1]) + vertex[2] * combined.values[7]) +
+      combined.values[10];
+    const float z =
+      ((vertex[0] * combined.values[2] + vertex[1] * combined.values[5]) + vertex[2] * combined.values[8]) +
+      combined.values[11];
+
+    if (bounds[0] > x) {
+      bounds[0] = x;
+    }
+
+    if (x > bounds[3]) {
+      bounds[3] = x;
+    }
+
+    if (bounds[1] > y) {
+      bounds[1] = y;
+    }
+
+    if (y > bounds[4]) {
+      bounds[4] = y;
+    }
+
+    if (bounds[2] > z) {
+      bounds[2] = z;
+    }
+
+    if (z > bounds[5]) {
+      bounds[5] = z;
+    }
+  }
+
+  for (C3dNode* child : this->children) {
+    child->AccumulateBounds(bounds, combined.values);
+  }
+}