Add Speedometer

Quake/draw.h

@@ -39,6 +39,7 @@ void	Draw_Fill (cb_context_t *cbx, int x, int y, int w, int h, int c, float alph
 void	Draw_FadeScreen (cb_context_t *cbx);
 void	Draw_String (cb_context_t *cbx, int x, int y, const char *str);
 void	Draw_String_3D (cb_context_t *cbx, vec3_t coords, float size, const char *str);
+void	Draw_String_WithSize (cb_context_t *cbx, int x, int y, const char *str, float size);
 qpic_t *Draw_PicFromWad2 (const char *name, unsigned int texflags);
 qpic_t *Draw_PicFromWad (const char *name);
 qpic_t *Draw_CachePic (const char *path);

Quake/gl_draw.c

@@ -454,7 +454,7 @@ void Draw_Init (void)
 Draw_FillCharacterQuad
 ================
 */
-static void Draw_FillCharacterQuad (int x, int y, char num, basicvertex_t *output, int rotation)
+static void Draw_FillCharacterQuad_WithSize (int x, int y, char num, basicvertex_t *output, int rotation, float textSize)
 {
 	int	  row, col;
 	float frow, fcol, size;
@@ -471,9 +471,9 @@ static void Draw_FillCharacterQuad (int x, int y, char num, basicvertex_t *outpu
 
 	float texcoords[4][2] = {
 		{x, y},
-		{x + 8, y},
-		{x + 8, y + 8},
-		{x, y + 8},
+		{x + textSize, y},
+		{x + textSize, y + textSize},
+		{x, y + textSize},
 	};
 
 	corner_verts[0].position[0] = texcoords[(rotation + 0) % 4][0];
@@ -508,6 +508,11 @@ static void Draw_FillCharacterQuad (int x, int y, char num, basicvertex_t *outpu
 	output[5] = corner_verts[0];
 }
 
+static void Draw_FillCharacterQuad (int x, int y, char num, basicvertex_t *output, int rotation)
+{
+	Draw_FillCharacterQuad_WithSize (x, y, num, output, rotation, 8.f);
+}
+
 /*
 ================
 Draw_Character
@@ -542,13 +547,13 @@ void Draw_Character (cb_context_t *cbx, int x, int y, int num)
 Draw_String
 ================
 */
-void Draw_String (cb_context_t *cbx, int x, int y, const char *str)
+void Draw_String_WithSize (cb_context_t *cbx, int x, int y, const char *str, float size)
 {
 	int			num_verts = 0;
 	int			i;
 	const char *tmp;
 
-	if (y <= -8)
+	if (y <= -size)
 		return; // totally off screen
 
 	for (tmp = str; *tmp != 0; ++tmp)
@@ -563,10 +568,10 @@ void Draw_String (cb_context_t *cbx, int x, int y, const char *str)
 	{
 		if (*str != 32)
 		{
-			Draw_FillCharacterQuad (x, y, *str, vertices + i * 6, 0);
+			Draw_FillCharacterQuad_WithSize (x, y, *str, vertices + i * 6, 0, size);
 			i++;
 		}
-		x += 8;
+		x += size;
 	}
 
 	vulkan_globals.vk_cmd_bind_vertex_buffers (cbx->cb, 0, 1, &buffer, &buffer_offset);
@@ -576,6 +581,11 @@ void Draw_String (cb_context_t *cbx, int x, int y, const char *str)
 	vulkan_globals.vk_cmd_draw (cbx->cb, num_verts, 1, 0, 0);
 }
 
+void Draw_String (cb_context_t *cbx, int x, int y, const char *str)
+{
+	Draw_String_WithSize (cbx, x, y, str, 8.f);
+}
+
 /*
 =============
 Draw_Pic -- johnfitz -- modified

Quake/gl_screen.c

@@ -89,6 +89,7 @@ cvar_t scr_conscale = {"scr_conscale", "1", CVAR_ARCHIVE};
 cvar_t scr_crosshairscale = {"scr_crosshairscale", "1", CVAR_ARCHIVE};
 cvar_t scr_showfps = {"scr_showfps", "0", CVAR_NONE};
 cvar_t scr_clock = {"scr_clock", "0", CVAR_NONE};
+cvar_t scr_showspeed = {"scr_showspeed", "1", CVAR_NONE};
 // johnfitz
 cvar_t scr_usekfont = {"scr_usekfont", "0", CVAR_NONE}; // 2021 re-release
 
@@ -545,6 +546,7 @@ void SCR_Init (void)
 	Cvar_RegisterVariable (&scr_crosshairscale);
 	Cvar_RegisterVariable (&scr_showfps);
 	Cvar_RegisterVariable (&scr_clock);
+	Cvar_RegisterVariable (&scr_showspeed);
 	// johnfitz
 	Cvar_RegisterVariable (&scr_usekfont); // 2021 re-release
 	Cvar_SetCallback (&scr_fov, SCR_Callback_refdef);
@@ -698,6 +700,47 @@ void SCR_DrawClock (cb_context_t *cbx)
 	}
 }
 
+/*
+==============
+SCR_DrawSpeed
+==============
+*/
+void SCR_DrawSpeed (cb_context_t *cbx)
+{
+	if (cl.intermission || !scr_showspeed.value)
+		return;
+
+	float maxSpeedFillWidth = 600; // if speed >= val, then speedometer is completely filled
+	float scale = scr_sbarscale.value;
+	float width = 140.f * scale;
+	float height = 12.f * scale;
+	float x = ((float)vid.width / 2.f) - (width / 2.f);
+	float y = (float)vid.height - height - ((float)Sbar_HudHeight () * scale);
+
+	float textLeftOffset = 10.f * scale;
+	float textHeight = 8.f * scale;
+	float textY = y + (height / 2) - (textHeight / 2);
+	float textX = x + textLeftOffset;
+
+	char  st[4];
+	float speed = VectorLength (cl.velocity);
+	sprintf (st, "%-3d", (int)speed);
+	int speedWidth = (int)(fmin (1.f, speed / maxSpeedFillWidth) * width);
+
+	static int bgColor = -1;
+	static int fillColor = -1;
+	if (bgColor == -1)
+	{
+		bgColor = TexMgr_NearestColor (20, 20, 0);
+		fillColor = TexMgr_NearestColor (40, 30, 15);
+	}
+
+	GL_SetCanvas (cbx, CANVAS_DEFAULT);
+	Draw_Fill (cbx, x, y, width, height, bgColor, 1.f);		   // entire speedometer
+	Draw_Fill (cbx, x, y, speedWidth, height, fillColor, 1.f); // speed fill on speedometer
+	Draw_String_WithSize (cbx, textX, textY, st, textHeight);
+}
+
 /*
 ==============
 SCR_DrawDevStats
@@ -1142,6 +1185,7 @@ static void SCR_DrawGUI (void *unused)
 		SCR_DrawFPS (cbx);		// johnfitz
 		SCR_DrawClock (cbx);	// johnfitz
 		SCR_DrawConsole (cbx);
+		SCR_DrawSpeed (cbx);
 		M_Draw (cbx);
 	}
 

Quake/gl_texmgr.c

@@ -566,6 +566,33 @@ void TexMgr_LoadPalette (void)
 	((byte *)&d_8to24table_conchars[0])[3] = 0;
 }
 
+/*
+================
+TexMgr_NearestColor
+================
+*/
+int TexMgr_NearestColor (int r, int g, int b)
+{
+	byte *curColor = (byte *)d_8to24table;
+	int	  nearestColor = 0;
+	int	  nearestDist = INT_MAX;
+	int	  cursor = 0;
+
+	while (curColor[3] != 0) // last color is transparent
+	{
+		int colorDist = (r - curColor[0]) * (r - curColor[0]) + (g - curColor[1]) * (g - curColor[1]) + (b - curColor[2]) * (b - curColor[2]);
+		if (colorDist < nearestDist)
+		{
+			nearestColor = cursor;
+			nearestDist = colorDist;
+		}
+		curColor += 4;
+		cursor += 1;
+	}
+
+	return nearestColor;
+}
+
 /*
 ================
 TexMgr_NewGame

Quake/gl_texmgr.h

@@ -110,6 +110,7 @@ void		 TexMgr_Init (void);
 void		 TexMgr_DeleteTextureObjects (void);
 void		 TexMgr_CollectGarbage (void);
 void		 TexMgr_LoadPalette (void);
+int			 TexMgr_NearestColor (int r, int g, int b);
 
 // IMAGE LOADING
 gltexture_t *TexMgr_LoadImage (

Quake/sbar.c

@@ -1384,3 +1384,19 @@ void Sbar_FinaleOverlay (cb_context_t *cbx)
 	pic = Draw_CachePic ("gfx/finale.lmp");
 	Draw_Pic (cbx, (320 - pic->width) / 2, 16, pic, 1.0f, false); // johnfitz -- stretched menus
 }
+
+/*
+==================
+Sbar_HudHeight
+==================
+*/
+int Sbar_HudHeight (void)
+{
+	int height = 0;
+	if (scr_viewsize.value <= 110 && sb_sbar)
+		height += sb_sbar->height;
+	if (scr_viewsize.value <= 100 && sb_ibar)
+		height += sb_ibar->height;
+
+	return height;
+}

Quake/sbar.h

@@ -39,4 +39,6 @@ void Sbar_IntermissionOverlay (cb_context_t *cbx);
 
 void Sbar_FinaleOverlay (cb_context_t *cbx);
 
+int Sbar_HudHeight (void);
+
 #endif /* _QUAKE_SBAR_H */