Centralise engine access, add Portal FOV changer

- A bunch of stuff is now defined in one header, engineapi.h
- engineapi.c is responsible for setting up any interfaces/stuff that's
  used in more than one place
- mkgamedata is pretty much rewritten and now supports nested
  conditionals
- gamedata variables no longer have the gamedata_ prefix because it was
  just annoyingly long all the time
- vcall macros are somewhat revamped and support dynamic (gamedata)
  indices
- Portal 1 FOV can be set anywhere from 75-120 using fov_desired -
  tested in both the main versions currently used by runners
- A few typos were also fixed ("intput," "writeable," "indexes")

1 files changed, 50 insertions, 0 deletions

diff --git a/src/engineapi.c b/src/engineapi.c
new file mode 100644
index 0000000..54671a8
--- /dev/null
+++ b/src/engineapi.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2022 Michael Smith <mikesmiffy128@gmail.com>
+ *
+ * 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.
+ */
+
+#include "engineapi.h"
+#include "gametype.h"
+#include "intdefs.h"
+
+u64 _gametype_tag = 0; // declared in gametype.h but seems sensible enough here
+
+ifacefactory factory_client = 0, factory_server = 0, factory_engine = 0,
+		factory_inputsystem = 0;
+
+struct VEngineClient *engclient;
+struct VEngineServer *engserver;
+
+void engineapi_init(void) {
+	if (engclient = factory_engine("VEngineClient015", 0)) {
+		_gametype_tag |= _gametype_tag_Client015;
+	}
+	else if (engclient = factory_engine("VEngineClient014", 0)) {
+		_gametype_tag |= _gametype_tag_Client014;
+	}
+	else if (engclient = factory_engine("VEngineClient013", 0)) {
+		_gametype_tag |= _gametype_tag_Client013;
+	}
+	else if (engclient = factory_engine("VEngineClient012", 0)) {
+		_gametype_tag |= _gametype_tag_Client012;
+	}
+
+	if (engserver = factory_engine("VEngineServer021", 0)) {
+		_gametype_tag |= _gametype_tag_Server021;
+	}
+	// else if (engserver = others as needed...) {
+	// }
+}
+
+// vi: sw=4 ts=4 noet tw=80 cc=80