From 946b0f6826047585b551278c674053b2869b0dff Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 20 Sep 2004 05:51:21 +0000
Subject: [PATCH] added PXQ_GFX_LETTERBOX extension

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@4529 d7cf8633-e32d-0410-b094-e92efae38249
---
 cl_screen.c    | 5 ++++-
 gl_backend.c   | 4 ++--
 pr_cmds.c      | 1 +
 r_crosshairs.c | 4 ++++
 screen.h       | 1 +
 5 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/cl_screen.c b/cl_screen.c
index 4ac0ff09..7e191f52 100644
--- a/cl_screen.c
+++ b/cl_screen.c
@@ -23,6 +23,7 @@ cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","
 cvar_t scr_screenshot_name = {0, "scr_screenshot_name","dp"};
 cvar_t cl_avidemo = {0, "cl_avidemo", "0"};
 cvar_t r_textshadow = {0, "r_textshadow", "0"};
+cvar_t r_letterbox = {0, "r_letterbox", "0"};
 
 int jpeg_supported = false;
 
@@ -481,6 +482,7 @@ void CL_Screen_Init(void)
 	Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 	Cvar_RegisterVariable (&cl_avidemo);
 	Cvar_RegisterVariable (&r_textshadow);
+	Cvar_RegisterVariable (&r_letterbox);
 
 	Cmd_AddCommand ("sizeup",SCR_SizeUp_f);
 	Cmd_AddCommand ("sizedown",SCR_SizeDown_f);
@@ -993,7 +995,8 @@ void CL_UpdateScreen(void)
 			SCR_DrawNet ();
 			SCR_DrawTurtle ();
 			SCR_DrawPause ();
-			Sbar_Draw();
+			if (!r_letterbox.value)
+				Sbar_Draw();
 			SHOWLMP_drawall();
 			SCR_CheckDrawCenterString();
 		}
diff --git a/gl_backend.c b/gl_backend.c
index 584acfdc..59074cc4 100644
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -1293,7 +1293,7 @@ void SCR_DrawScreen (void)
 			if (r_stereo_sidebyside.integer)
 			{
 				r_refdef.width = vid.realwidth * size / 2.5;
-				r_refdef.height = vid.realheight * size / 2.5;
+				r_refdef.height = vid.realheight * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100);
 				r_refdef.x = (vid.realwidth - r_refdef.width * 2.5) * 0.5;
 				r_refdef.y = (vid.realheight - r_refdef.height)/2;
 				if (r_stereo_side)
@@ -1302,7 +1302,7 @@ void SCR_DrawScreen (void)
 			else
 			{
 				r_refdef.width = vid.realwidth * size;
-				r_refdef.height = vid.realheight * size;
+				r_refdef.height = vid.realheight * size * (1 - bound(0, r_letterbox.value, 100) / 100);
 				r_refdef.x = (vid.realwidth - r_refdef.width)/2;
 				r_refdef.y = (vid.realheight - r_refdef.height)/2;
 			}
diff --git a/pr_cmds.c b/pr_cmds.c
index 89702b38..b0e55bb2 100644
--- a/pr_cmds.c
+++ b/pr_cmds.c
@@ -153,6 +153,7 @@ char *ENGINE_EXTENSIONS =
 "KRIMZON_SV_PARSECLIENTCOMMAND "
 "NEH_CMD_PLAY2 "
 "NEH_RESTOREGAME "
+"PXQ_GFX_LETTERBOX "
 "TENEBRAE_GFX_DLIGHTS "
 "TW_SV_STEPCONTROL "
 ;
diff --git a/r_crosshairs.c b/r_crosshairs.c
index 12ca524b..bf5018bb 100644
--- a/r_crosshairs.c
+++ b/r_crosshairs.c
@@ -62,6 +62,8 @@ void R_DrawWorldCrosshair(void)
 	vec3_t v1, v2, spriteorigin;
 	vec_t spritescale;
 	vec4_t color;
+	if (r_letterbox.value)
+		return;
 	if (crosshair_static.integer)
 		return;
 	num = crosshair.integer;
@@ -93,6 +95,8 @@ void R_Draw2DCrosshair(void)
 	int num;
 	cachepic_t *pic;
 	vec4_t color;
+	if (r_letterbox.value)
+		return;
 	if (!crosshair_static.integer)
 		return;
 	num = crosshair.integer;
diff --git a/screen.h b/screen.h
index 27b64bf8..cc1c26c1 100644
--- a/screen.h
+++ b/screen.h
@@ -50,6 +50,7 @@ extern cvar_t crosshair_static;
 extern cvar_t scr_conspeed;
 extern cvar_t scr_conalpha;
 extern cvar_t scr_conbrightness;
+extern cvar_t r_letterbox;
 
 #endif
 
-- 
2.39.2