X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_crosshairs.c;h=e660f08758a4f3f9db617c20ebbf6682284338ec;hp=042a42c9dfb6a4026f24d53b3114b2d5d0af8cd4;hb=eb05c20810ae1d0938cb29b0718b680eb486bb5c;hpb=fc735cfb4488156f2e28c0521ac39676a7ff6ffe

diff --git a/r_crosshairs.c b/r_crosshairs.c
index 042a42c9..e660f087 100644
--- a/r_crosshairs.c
+++ b/r_crosshairs.c
@@ -1,10 +1,13 @@
+
 #include "quakedef.h"
+#include "cl_collision.h"
 
 cvar_t crosshair_brightness = {CVAR_SAVE, "crosshair_brightness", "1"};
 cvar_t crosshair_alpha = {CVAR_SAVE, "crosshair_alpha", "1"};
 cvar_t crosshair_flashspeed = {CVAR_SAVE, "crosshair_flashspeed", "2"};
 cvar_t crosshair_flashrange = {CVAR_SAVE, "crosshair_flashrange", "0.1"};
 cvar_t crosshair_size = {CVAR_SAVE, "crosshair_size", "1"};
+cvar_t crosshair_static = {CVAR_SAVE, "crosshair_static", "0"};
 
 // must match NUMCROSSHAIRS in gl_draw.c
 #define NUMCROSSHAIRS 5
@@ -16,17 +19,53 @@ void R_Crosshairs_Init(void)
 	Cvar_RegisterVariable(&crosshair_flashspeed);
 	Cvar_RegisterVariable(&crosshair_flashrange);
 	Cvar_RegisterVariable(&crosshair_size);
+	Cvar_RegisterVariable(&crosshair_static);
+}
+
+void R_DrawCrosshairSprite(rtexture_t *texture, vec3_t origin, vec_t scale, float cr, float cg, float cb, float ca)
+{
+	rmeshstate_t m;
+	float diff[3];
+
+	if (fogenabled)
+	{
+		VectorSubtract(origin, r_origin, diff);
+		ca *= 1 - exp(fogdensity/DotProduct(diff,diff));
+	}
+
+	memset(&m, 0, sizeof(m));
+	m.blendfunc1 = GL_SRC_ALPHA;
+	m.blendfunc2 = GL_ONE;
+	m.depthdisable = true;
+	m.tex[0] = R_GetTexture(texture);
+	R_Mesh_Matrix(&r_identitymatrix);
+	R_Mesh_State(&m);
+
+	GL_Color(cr * r_colorscale, cg * r_colorscale, cb * r_colorscale, ca);
+	varray_texcoord[0][ 0] = 0;varray_texcoord[0][ 1] = 0;
+	varray_texcoord[0][ 4] = 0;varray_texcoord[0][ 5] = 1;
+	varray_texcoord[0][ 8] = 1;varray_texcoord[0][ 9] = 1;
+	varray_texcoord[0][12] = 1;varray_texcoord[0][13] = 0;
+	varray_vertex[0] = origin[0] - vright[0] * scale - vup[0] * scale;
+	varray_vertex[1] = origin[1] - vright[1] * scale - vup[1] * scale;
+	varray_vertex[2] = origin[2] - vright[2] * scale - vup[2] * scale;
+	varray_vertex[4] = origin[0] - vright[0] * scale + vup[0] * scale;
+	varray_vertex[5] = origin[1] - vright[1] * scale + vup[1] * scale;
+	varray_vertex[6] = origin[2] - vright[2] * scale + vup[2] * scale;
+	varray_vertex[8] = origin[0] + vright[0] * scale + vup[0] * scale;
+	varray_vertex[9] = origin[1] + vright[1] * scale + vup[1] * scale;
+	varray_vertex[10] = origin[2] + vright[2] * scale + vup[2] * scale;
+	varray_vertex[12] = origin[0] + vright[0] * scale - vup[0] * scale;
+	varray_vertex[13] = origin[1] + vright[1] * scale - vup[1] * scale;
+	varray_vertex[14] = origin[2] + vright[2] * scale - vup[2] * scale;
+	R_Mesh_Draw(4, 2, polygonelements);
 }
 
-void DrawCrosshair(int num)
+void R_GetCrosshairColor(float *out)
 {
 	int i;
-	byte *color;
+	qbyte *color;
 	float scale, base;
-	char *picname;
-	cachepic_t *pic;
-	if (num < 0 || num >= NUMCROSSHAIRS)
-		num = 0;
 	if (cl.viewentity >= 1 && cl.viewentity <= cl.maxclients)
 	{
 		i = (cl.scores[cl.viewentity-1].colors & 0xF) << 4;
@@ -37,15 +76,73 @@ void DrawCrosshair(int num)
 	}
 	else
 		i = 15;
-	color = (byte *) &d_8to24table[i];
+	color = (qbyte *) &palette_complete[i];
 	if (crosshair_flashspeed.value >= 0.01f)
 		base = (sin(realtime * crosshair_flashspeed.value * (M_PI*2.0f)) * crosshair_flashrange.value);
 	else
 		base = 0.0f;
 	scale = crosshair_brightness.value * (1.0f / 255.0f);
-	picname = va("gfx/crosshair%i.tga", num + 1);
-	pic = Draw_CachePic(picname);
+	out[0] = color[0] * scale + base;
+	out[1] = color[1] * scale + base;
+	out[2] = color[2] * scale + base;
+	out[3] = crosshair_alpha.value;
+
+	// clamp the colors and alpha
+	out[0] = bound(0, out[0], 1);
+	out[1] = bound(0, out[1], 1);
+	out[2] = bound(0, out[2], 1);
+	out[3] = bound(0, out[3], 1.0f);
+}
+
+void R_DrawWorldCrosshair(void)
+{
+	int num;
+	cachepic_t *pic;
+	vec3_t v1, v2, spriteorigin;
+	vec_t spritescale;
+	vec4_t color;
+	if (crosshair_static.integer)
+		return;
+	num = crosshair.integer;
+	if (num < 1 || num > NUMCROSSHAIRS || cl.intermission)
+		return;
+	if (!cl.viewentity || !cl_entities[cl.viewentity].state_current.active)
+		return;
+	pic = Draw_CachePic(va("gfx/crosshair%i.tga", num + 1));
+	if (!pic)
+		return;
+	R_GetCrosshairColor(color);
+	
+	// trace the shot path up to a certain distance
+	VectorCopy(cl_entities[cl.viewentity].render.origin, v1);
+	v1[2] += 16; // HACK: this depends on the QC
+	
+	// get the forward vector for the gun (not the view)
+	AngleVectors(cl.viewangles, v2, NULL, NULL);
+	//VectorCopy(r_origin, v1);
+	VectorMA(v1, 8192, v2, v2);
+	spritescale = CL_TraceLine(v1, v2, spriteorigin, NULL, 0, true, NULL) * (8192.0f / 40.0f) * crosshair_size.value;
+
+	// draw the sprite
+	R_DrawCrosshairSprite(pic->tex, spriteorigin, spritescale, color[0], color[1], color[2], color[3]);
+}
+
+void R_Draw2DCrosshair(void)
+{
+	int num;
+	cachepic_t *pic;
+	vec4_t color;
+	if (!crosshair_static.integer)
+		return;
+	num = crosshair.integer;
+	if (num < 1 || num > NUMCROSSHAIRS || cl.intermission)
+		return;
+	R_GetCrosshairColor(color);
+	pic = Draw_CachePic(va("gfx/crosshair%i.tga", num + 1));
 	if (pic)
-		DrawQ_Pic((vid.conwidth - pic->width * crosshair_size.value) * 0.5f, (vid.conheight - pic->height * crosshair_size.value) * 0.5f, picname, pic->width * crosshair_size.value, pic->height * crosshair_size.value, color[0] * scale + base, color[1] * scale + base, color[2] * scale + base, crosshair_alpha.value, 0);
+		DrawQ_Pic((vid.conwidth - pic->width * crosshair_size.value) * 0.5f, (vid.conheight - pic->height * crosshair_size.value) * 0.5f, pic->name, pic->width * crosshair_size.value, pic->height * crosshair_size.value, color[0], color[1], color[2], color[3], 0);
 }
 
+
+
+