Merge branch 'master' into Mario/ext_entityparam

[xonotic/darkplaces.git] / hook.h

diff --git a/hook.h b/hook.h
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+++ b/hook.h
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+/*
+Copyright (C) 2020 Cloudwalk
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+// hook.h
+
+#ifndef HOOK_H
+#define HOOK_H
+
+typedef union hook_val_s
+{
+       intptr_t val;
+       uintptr_t uval;
+       void *ptr;
+       char *str;
+       int ival;
+       unsigned int uival;
+       double fval;
+       qboolean bval;
+} hook_val_t;
+
+typedef struct hook_s
+{
+       char *name;
+       hook_val_t *(*func)(hook_val_t *hook);
+       hook_val_t *arg;
+       hook_val_t ret;
+       unsigned int argc;
+} hook_t;
+
+hook_t *_Hook_Register(hook_t *hook, const char *name, void *func, unsigned int argc);
+hook_val_t *_Hook_Call(hook_t *hook, ... );
+void Hook_Init(void);
+void Hook_Shutdown(void);
+
+// For your convenience
+#define Hook_Register(hook, func, argc) _Hook_Register(hook, #hook, func, argc)
+#define Hook_Call(hook, ... ) _Hook_Call(hook, __VA_ARGS__, NULL)
+
+#endif
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