From a2f7e37d8adf2047e1f3b0ea1227ac9d51514783 Mon Sep 17 00:00:00 2001
From: Matthew Wozniak <me@woz.blue>
Date: Fri, 1 Nov 2024 13:47:31 -0400
Subject: play demo using the demoplayer object

---
 api.h | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

(limited to 'api.h')

diff --git a/api.h b/api.h
index 1a841f5..086ef46 100644
--- a/api.h
+++ b/api.h
@@ -5,6 +5,7 @@
 #define ENGINEAPI_H
 
 #define INTERFACEVERSION_VENGINESERVER "VEngineServer021"
+#define VENGINE_CLIENT_INTERFACE_VERSION "VEngineClient013"
 
 #include "intdef.h"
 
@@ -17,11 +18,49 @@ struct engserver {
 	} *vt;
 };
 
+struct engclient {
+	struct {
+		usize _pad[75];
+		void (*__thiscall is_playing_demo)(struct engclient *this);
+	} *vt;
+};
+
+struct demoplayer {
+	struct {
+		void *_destructor;
+		void * (*__thiscall get_demo_file)(struct demoplayer *this);
+		int (*__thiscall get_playback_tick)(struct demoplayer *this);
+		int (*__thiscall get_total_ticks)(struct demoplayer *this);
+		void *_whatisthisihavenoidea;
+		bool (*__thiscall start_playback)(struct demoplayer *this,
+				const char *filename, bool as_time_demo);
+		bool (*__thiscall is_playing_back)(struct demoplayer *this);
+		bool (*__thiscall is_playback_paused)(struct demoplayer *this);
+		bool (*__thiscall is_playing_time_demo)(struct demoplayer *this);
+		bool (*__thiscall is_skipping)(struct demoplayer *this);
+		bool (*__thiscall can_skip_backwards)(struct demoplayer *this);
+		void (*__thiscall set_playback_time_scale)(struct demoplayer *this,
+				float timescale);
+		float (*__thiscall get_playback_time_scale)(struct demoplayer *this);
+		void (*__thiscall pause_playback)(struct demoplayer *this,
+				float seconds);
+		void (*__thiscall skip_to_tick)(struct demoplayer *this, int tick,
+				bool relative, bool pause);
+		void (*__thiscall resume_playback)(struct demoplayer *this);
+		void (*__thiscall stop_playback)(struct demoplayer *this);
+		void (*__thiscall interpolate_viewpoint)(struct demoplayer *this);
+	} *vt;
+};
+
 #ifndef NO_EXTERNS
 extern struct engserver *engserver;
+extern struct engclient *engclient;
+extern struct demoplayer *demoplayer;
+extern void (*cbuf_addtext)(char *);
 #endif
 
-void api_init(void);
+// initializes required engine apis. returns false on error.
+bool api_init(void);
 
 #endif
 
-- 
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