The first commit

src/core2/code_66490.c

@@ -0,0 +1,40 @@
+#include <ultra64.h>
+#include "functions.h"
+#include "variables.h"
+
+
+bool func_802ED420(BKModelUnk20List *arg0, u8 *arg1, u32 arg2) {
+    BKModelUnk20_0 *start_ptr;
+
+    start_ptr = (BKModelUnk20_0 *)(arg0 + 1);
+    while(arg2 != 0){
+        if (start_ptr[*arg1].unkC != 0) {
+            return TRUE;
+        }
+        arg2--; 
+        arg1++;
+    }
+    return FALSE;
+}
+
+void func_802ED52C(BKModelUnk20List *arg0, f32 arg1[3], f32 arg2) {
+    BKModelUnk20_0 *start_ptr;
+    BKModelUnk20_0 *end_ptr;
+    BKModelUnk20_0 *i_ptr;
+    s32 i;
+    s16 sp18[3];
+
+    start_ptr = ( BKModelUnk20_0 *)(arg0 + 1);
+    sp18[0] = (s16) (arg1[0] * (1.0 / arg2));
+    sp18[1] = (s16) (arg1[1] * (1.0 / arg2));
+    sp18[2] = (s16) (arg1[2] * (1.0 / arg2));
+    end_ptr = start_ptr + arg0->unk0;
+    for(i_ptr = start_ptr; i_ptr < end_ptr; i_ptr++){
+        for(i = 0; i < 3; i++){
+            if ((sp18[i] < i_ptr->unk0[i]) || (i_ptr->unk6[i] < sp18[i])) {
+               break;
+            }
+        }
+        i_ptr->unkC = (i == 3);
+    }
+}