From dafe0ccd11b321546dbf5728d510c98f51db2ce0 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 31 Jan 2016 21:53:14 +0000
Subject: [PATCH 1/3] Added v.width(), v.height() and v.renderer() to Lua's
 drawer/video library

---
 src/lua_hudlib.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index 5a83d95b..fa15b9be 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -16,7 +16,9 @@
 #include "r_local.h"
 #include "st_stuff.h" // hudinfo[]
 #include "g_game.h"
+#include "i_video.h" // rendermode
 #include "p_local.h" // camera_t
+#include "screen.h" // screen width/height
 #include "v_video.h"
 #include "w_wad.h"
 #include "z_zone.h"
@@ -510,6 +512,30 @@ static int libd_getColormap(lua_State *L)
 	return 1;
 }
 
+static int libd_width(lua_State *L)
+{
+	HUDONLY
+	lua_pushinteger(L, vid.width); // push screen width
+	return 1;
+}
+
+static int libd_height(lua_State *L)
+{
+	HUDONLY
+	lua_pushinteger(L, vid.height); // push screen height
+	return 1;
+}
+
+static int libd_renderer(lua_State *L)
+{
+	HUDONLY
+	if (rendermode == render_opengl) // OpenGL renderer
+		lua_pushliteral(L, "opengl");
+	else // Software renderer
+		lua_pushliteral(L, "software");
+	return 1;
+}
+
 static luaL_Reg lib_draw[] = {
 	{"patchExists", libd_patchExists},
 	{"cachePatch", libd_cachePatch},
@@ -521,6 +547,9 @@ static luaL_Reg lib_draw[] = {
 	{"drawString", libd_drawString},
 	{"stringWidth", libd_stringWidth},
 	{"getColormap", libd_getColormap},
+	{"width", libd_width},
+	{"height", libd_height},
+	{"renderer", libd_renderer},
 	{NULL, NULL}
 };
 

From 04528eb3e64e931588e33c48d58a2c3201875e00 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 31 Jan 2016 22:15:17 +0000
Subject: [PATCH 2/3] <Inuyasha> MonsterIestyn: what about render_none?

---
 src/lua_hudlib.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index fa15b9be..0ba7b3d2 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -529,10 +529,11 @@ static int libd_height(lua_State *L)
 static int libd_renderer(lua_State *L)
 {
 	HUDONLY
-	if (rendermode == render_opengl) // OpenGL renderer
-		lua_pushliteral(L, "opengl");
-	else // Software renderer
-		lua_pushliteral(L, "software");
+	switch (rendermode) {
+		case render_opengl: lua_pushliteral(L, "opengl");   break; // OpenGL renderer
+		case render_soft:   lua_pushliteral(L, "software"); break; // Software renderer
+		default:            lua_pushliteral(L, "none");     break; // render_none (for dedicated), in case there's any reason this should be run
+	}
 	return 1;
 }
 

From d1b89c9320f98cfe2bf514fe7dbd1890c4f21403 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 31 Jan 2016 22:52:02 +0000
Subject: [PATCH 3/3] Quick fix for another drawer lib function while I'm here,
 cough

---
 src/lua_hudlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index 0ba7b3d2..325f00b0 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -488,7 +488,7 @@ static int libd_getColormap(lua_State *L)
 	INT32 skinnum = TC_DEFAULT;
 	skincolors_t color = luaL_optinteger(L, 2, 0);
 	UINT8* colormap = NULL;
-	//HUDSAFE
+	HUDONLY
 	if (lua_isnoneornil(L, 1))
 		; // defaults to TC_DEFAULT
 	else if (lua_type(L, 1) == LUA_TNUMBER) // skin number