Add VGUI HUD overlay drawing feature

Currently only supports Orange Box and Left 4 Dead branches. There's
quite a large amount of gamedata involved in making this work, and
figuring it out for the likes of Portal 2 doesn't seem like a major
priority at the moment.

3 files changed, 102 insertions, 0 deletions

diff --git a/gamedata/engine.kv b/gamedata/engine.kv
index 9501221..b23bab5 100644
--- a/gamedata/engine.kv
+++ b/gamedata/engine.kv
@@ -63,6 +63,31 @@ sz_edict {
 	L4Dbased 16 // see engineapi.h comment
 }
 
+// vgui::Panel
+vtidx_SetPaintEnabled {
+	default 67
+	Client013 {
+		L4D1 68
+		L4D2 {
+			default 71
+			L4D2_2147plus 72
+		}
+	}
+	Client014 {
+		L4D2 70
+	}
+}
+vtidx_Paint {
+	default 123
+	Client014 { L4D2 126 } // 2000
+	Client013 {
+		L4D2 {
+			default 127 // 2045
+			L4D2_2147plus 128
+		}
+	}
+}
+
 // SendProp
 sz_SendProp {
 	// wrapping all these in 005 for right now.
@@ -104,6 +129,7 @@ vtidx_GetSpawnCount {
 }
 
 // IEngineVGuiInternal/CEngineVGui
+vtidx_GetPanel NVDTOR
 vtidx_VGuiConnect { // note: the actual name is Connect() but that's too generic
 	default "3 + NVDTOR"
 	L4Dbased {
diff --git a/gamedata/vgui2.kv b/gamedata/vgui2.kv
new file mode 100644
index 0000000..6fd55a3
--- /dev/null
+++ b/gamedata/vgui2.kv
@@ -0,0 +1,7 @@
+// = vgui2 library =
+
+// ISchemeManager
+vtidx_GetIScheme 8
+
+// IScheme
+vtidx_GetFont 3
diff --git a/gamedata/vguimatsurface.kv b/gamedata/vguimatsurface.kv
new file mode 100644
index 0000000..19857be
--- /dev/null
+++ b/gamedata/vguimatsurface.kv
@@ -0,0 +1,69 @@
+// = vguimatsurface library =
+
+// ISurface
+vtidx_DrawSetColor {
+	OrangeBoxbased 10
+	L4D 10
+}
+vtidx_DrawFilledRect {
+	OrangeBoxbased 12
+	L4D 12
+}
+vtidx_DrawOutlinedRect {
+	OrangeBoxbased 14
+	L4D 14
+}
+vtidx_DrawLine {
+	OrangeBoxbased 15
+	L4D 15
+}
+vtidx_DrawPolyLine {
+	OrangeBoxbased 16
+	L4D 16
+}
+vtidx_DrawSetTextFont {
+	OrangeBoxbased 17
+	L4D 17
+}
+vtidx_DrawSetTextColor {
+	OrangeBoxbased 18
+	L4D 18
+}
+vtidx_DrawSetTextPos {
+	OrangeBoxbased 20
+	L4D 20
+}
+vtidx_DrawPrintText {
+	OrangeBoxbased 22
+	L4D 22
+}
+vtidx_GetScreenSize {
+	OrangeBoxbased 37
+	L4D {
+		default 37
+		L4D2_2147plus 35
+	}
+}
+// Unused: currently no good way to create custom fonts without leaking them
+//vtidx_CreateFont {
+//	OrangeBoxbased 64
+//	L4D {
+//		default 64
+//		L4D2_2147plus 63
+//	}
+//}
+//vtidx_SetFontGlyphSet {
+//	OrangeBoxbased 65
+//	L4D {
+//		default 65
+//		L4D2_2147plus 64
+//	}
+//}
+vtidx_GetFontTall {
+	OrangeBoxbased 67
+	L4D 67
+}
+vtidx_GetCharacterWidth {
+	OrangeBoxbased 71
+	L4D 71
+}