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+/*
+ * Copyright © 2023 Willian Henrique <wsimanbrazil@yahoo.com.br>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef INC_TRACE_H
+#define INC_TRACE_H
+
+#include "intdefs.h"
+#include "engineapi.h"
+
+struct CBaseTrace {
+ struct vec3f startpos, endpos;
+ struct {
+ struct vec3f normal;
+ float dist;
+ u8 type, signbits;
+ //u8 pad[2];
+ } plane; // surface normal at impact
+ float frac;
+ int contents;
+ ushort dispflags;
+ bool allsolid, startsolid;
+};
+
+struct CGameTrace {
+ struct CBaseTrace base;
+ float fracleftsolid;
+ struct {
+ const char *name;
+ short surfprops;
+ ushort flags;
+ } surf;
+ int hitgroup;
+ short physbone;
+ ushort worldsurfidx; // not in every branch, but doesn't break ABI
+ void *ent; // CBaseEntity (C_BaseEntity in client.dll)
+ int hitbox;
+};
+
+struct CGameTrace trace_line(struct vec3f start, struct vec3f end, uint mask,
+ void *filt);
+
+struct CGameTrace trace_hull(struct vec3f start, struct vec3f end,
+ struct vec3f mins, struct vec3f maxs, uint mask, void *filt);
+
+#endif
+
+// vi: sw=4 ts=4 noet tw=80 cc=80