scr_conalpha added

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2022 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/client/cl_screen.c

@@ -94,6 +94,8 @@ int                     scr_copyeverything;
 float           scr_con_current;
 float           scr_conlines;           // lines of console to display
 
+qboolean		scr_con_forcedraw;
+
 float           oldscreensize, oldfov;
 extern cvar_t          scr_viewsize;
 extern cvar_t          scr_fov;
@@ -1336,6 +1338,8 @@ void SCR_SetUpToDrawConsole (void)
 #endif
 	Con_CheckResize ();
 
+	scr_con_forcedraw = false;
+
 	if (scr_drawloading)
 		return;         // never a console with loading plaque
 
@@ -1351,6 +1355,7 @@ void SCR_SetUpToDrawConsole (void)
 	{
 		scr_conlines = vid.height;              // full screen
 		scr_con_current = scr_conlines;
+		scr_con_forcedraw = true;
 	}
 	else if (key_dest == key_console || scr_chatmode)
 	{

engine/client/renderer.c

@@ -160,6 +160,8 @@ cvar_t			scr_sshot_type	= SCVAR("scr_sshot_type", "jpg");
 
 cvar_t			scr_centersbar	= SCVAR("scr_centersbar", "0");
 cvar_t			scr_consize	= SCVAR("scr_consize", "0.5");
+cvar_t			scr_conalpha = SCVAR("scr_conalpha", "0.7");
+
 cvar_t          scr_viewsize	= SCVARF("viewsize","100", CVAR_ARCHIVE);
 cvar_t          scr_fov	= SCVARF("fov","90", CVAR_ARCHIVE); // 10 - 170
 cvar_t          scr_conspeed	= SCVAR("scr_conspeed","300");
@@ -496,6 +498,7 @@ void Renderer_Init(void)
 
 //screen
 	Cvar_Register (&scr_conspeed, SCREENOPTIONS);
+	Cvar_Register (&scr_conalpha, SCREENOPTIONS);
 	Cvar_Register (&scr_showram, SCREENOPTIONS);
 	Cvar_Register (&scr_showturtle, SCREENOPTIONS);
 	Cvar_Register (&scr_showpause, SCREENOPTIONS);

engine/common/quakeasm.h

@@ -248,7 +248,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 	.extern DP_Count
 	.extern DP_u
 	.extern DP_v
-	.extern DP_32768
+	.extern DP_Partfac
 	.extern DP_Color
 	.extern DP_Pix
 	.extern DP_EntryTable

engine/gl/gl_draw.c

@@ -74,6 +74,7 @@ shader_t	*shader_console;
 #endif
 extern cvar_t		con_ocranaleds;
 extern cvar_t		gl_blend2d;
+extern cvar_t		scr_conalpha;
 
 qbyte		*draw_chars;				// 8*8 graphic characters
 mpic_t		*draw_disc;
@@ -1881,14 +1882,26 @@ void GLDraw_ConsoleBackground (int lines)
 {
 //	char ver[80];
 //	int x, i;
-	int y;
+	float a;
+	extern qboolean scr_con_forcedraw;
 
-	y = (vid.height * 3) >> 2;
 	conback->width = vid.conwidth;
 	conback->height = vid.conheight;
+
+	if (scr_con_forcedraw)
+	{
+		a = 1; // console background is necessary
+	}
+	else
+	{
+		if (scr_conalpha.value <= 0)
+			return; 
+
+		a = scr_conalpha.value;
+	}
+
 	if (scr_chatmode == 2)
 	{
-		y=0;
 		conback->height>>=1;
 		conback->width>>=1;
 	}
@@ -1897,20 +1910,20 @@ void GLDraw_ConsoleBackground (int lines)
 		if (shader_console)
 		{
 			currententity = &r_worldentity;
-			GLDraw_ShaderPic(0, lines - conback->height, vid.width, vid.height, shader_console, 1, 1, 1, (1.2*lines)/y);
+			GLDraw_ShaderPic(0, lines - conback->height, vid.width, vid.height, shader_console, 1, 1, 1, a);
 			qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 			return;
 		}
 	}
 #endif
-	if (lines > y)
+	if (a >= 1)
 	{
 		qglColor3f (1,1,1);
 		GLDraw_Pic(0, lines-conback->height, conback);
 	}
 	else
 	{
-		GLDraw_AlphaPic (0, lines - conback->height, conback, (float)(1.2 * lines)/y);
+		GLDraw_AlphaPic (0, lines - conback->height, conback, a);
 	}
 }
 

engine/sw/d_part.c

@@ -23,7 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "d_local.h"
 
 //Spike: Particles are depth sorted. So why depth write? They are the last to be drawn anyway.
-
+#define PARTICLEFACTOR 0x8000 // Change DP_Partfac in ASM to match this
 
 /*
 ==============
@@ -87,7 +87,7 @@ void D_DrawParticle (particle_t *pparticle)
 
 	pz = d_pzbuffer + (d_zwidth * v) + u;
 	pdest = d_viewbuffer + d_scantable[v] + u;
-	izi = (int)(zi * 0x8000);
+	izi = (int)(zi * PARTICLEFACTOR);
 
 	pix = izi >> d_pix_shift;
 	pix *= pparticle->scale;
@@ -244,9 +244,9 @@ void D_DrawParticle16 (particle_t *pparticle)
 	}
 
 	pz = d_pzbuffer + (d_zwidth * v) + u;	
-	izi = (int)(zi * 0x8000);
+	izi = (int)(zi * PARTICLEFACTOR);
 
-	pix = ((int)(izi*pparticle->scale)) >> d_pix_shift;	
+	pix = ((int)(izi*pparticle->scale));	
 
 	if (pix < d_pix_min)
 		pix = d_pix_min;
@@ -319,7 +319,7 @@ void D_DrawParticle32 (particle_t *pparticle)
 	}
 
 	pz = d_pzbuffer + (d_zwidth * v) + u;	
-	izi = (int)(zi * 0x8000);
+	izi = (int)(zi * PARTICLEFACTOR);
 
 	pix = ((int)(izi*pparticle->scale)) >> d_pix_shift;	
 
@@ -419,7 +419,7 @@ void D_DrawParticleTrans (particle_t *pparticle, blendmode_t blendmode)
 	}
 
 	pz = d_pzbuffer + (d_zwidth * v) + u;	
-	izi = (int)(zi * 0x8000);
+	izi = (int)(zi * PARTICLEFACTOR);
 
 	pix = ((int)(izi*pparticle->scale)) >> d_pix_shift;	
 

engine/sw/d_parta.s

@@ -134,7 +134,7 @@ C(D_DrawParticle):
 	fxch	%st(1)			// u | v | 1/z
 	fadds	float_point5	// u | v | 1/z
 	fxch	%st(2)			// 1/z | v | u
-	fmuls	DP_32768		// 1/z * 0x8000 | v | u
+	fmuls	DP_Partfac		// 1/z * 0x8000 | v | u
 	fxch	%st(2)			// u | v | 1/z * 0x8000
 
 // FIXME: use Terje's fp->int trick here?

engine/sw/d_varsa.s

@@ -146,11 +146,11 @@ entryvec_table_16:	.long	0, Entry2_16, Entry3_16, Entry4_16
 //-------------------------------------------------------
 // local variables for d_parta.s
 //-------------------------------------------------------
-.globl	DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix, DP_EntryTable
+.globl	DP_Count, DP_u, DP_v, DP_Partfac, DP_Color, DP_Pix, DP_EntryTable
 DP_Count:		.long	0
 DP_u:			.long	0
 DP_v:			.long	0
-DP_32768:		.single	32768.0
+DP_Partfac:		.single	32768.0
 DP_Color:		.long	0
 DP_Pix:			.long	0
 

engine/sw/sw_draw.c

@@ -32,6 +32,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 extern unsigned int *d_8to32table;
 
 extern cvar_t con_ocranaleds;
+extern cvar_t scr_conalpha;
+extern qboolean scr_con_forcedraw;
 
 typedef struct {
 	vrect_t	rect;
@@ -2016,6 +2018,9 @@ void SWDraw_ConsoleBackground (int lines)
 	char			ver[100];
 	static			char saveback[320*8];
 
+	if (!scr_con_forcedraw && scr_conalpha.value <= 0)
+		return;
+
 	conback = (mpic_t *)SWDraw_SafeCachePic ("gfx/conback.lmp");
 	if (!conback)
 		conback = (mpic_t *)SWDraw_SafeCachePic("pics/conback.pcx");
@@ -2054,6 +2059,31 @@ void SWDraw_ConsoleBackground (int lines)
 	{
 		dest = vid.conbuffer;
 
+		if (scr_conalpha.value < 1 && !scr_con_forcedraw)
+		{
+			D_SetTransLevel(scr_conalpha.value, BM_BLEND);
+
+			for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
+			{
+				v = (vid.conheight - lines + y)*200/vid.conheight;
+				src = conback->data + v*320;
+				f = 0;
+				fstep = 320*0x10000/vid.conwidth;
+				for (x=0 ; x<vid.conwidth ; x+=4)
+				{
+					dest[x] = Trans(dest[x], src[f>>16]);
+					f += fstep;
+					dest[x+1] = Trans(dest[x+1], src[f>>16]);
+					f += fstep;
+					dest[x+2] = Trans(dest[x+2], src[f>>16]);
+					f += fstep;
+					dest[x+3] = Trans(dest[x+3], src[f>>16]);
+					f += fstep;
+				}
+			}
+		}
+		else
+		{
 			for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
 			{
 
@@ -2079,6 +2109,7 @@ void SWDraw_ConsoleBackground (int lines)
 				}
 			}
 		}
+	}
 	else if (r_pixbytes == 2)
 	{
 		unsigned short *dest16 = (unsigned short *)vid.conbuffer;
@@ -2114,8 +2145,11 @@ void SWDraw_ConsoleBackground (int lines)
 		extern cvar_t d_smooth;
 		unsigned int *p24dest;
 		unsigned char *pal = (qbyte *)d_8to32table;
-		int alpha = ((float)(lines)/((vid.height * 3) >> 2))*255;
+		int alpha;
-		if (alpha > 255) alpha = 255;
+		if (scr_con_forcedraw)
+			alpha = 255;
+		else
+			alpha = bound(0, scr_conalpha.value*255, 255);
 		p24dest = (unsigned int *)vid.conbuffer;
 		dest = (unsigned char *)vid.conbuffer;