diff --git a/client/gl.c b/client/gl.c
index c4d48b3..9f3193a 100644
--- a/client/gl.c
+++ b/client/gl.c
@@ -18,8 +18,30 @@ void gl_resize(int width, int height) {
 }
 
 void gl_init(void) {
+	GLfloat	       lightamb[]   = {0.1, 0.1, 0.1, 1.0};
+	GLfloat	       lightcol[]   = {1.0, 1.0, 1.0, 1.0};
+	const GLdouble genfunc[][4] = {
+	    {1.0, 0.0, 0.0, 0.0},
+	    {0.0, 1.0, 0.0, 0.0},
+	    {0.0, 0.0, 1.0, 0.0},
+	    {0.0, 0.0, 0.0, 1.0},
+	};
+
 	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_NORMALIZE);
 	glEnable(GL_BLEND);
+	glEnable(GL_COLOR_MATERIAL);
+	glEnable(GL_LIGHT0);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_CULL_FACE);
+
+	glLightfv(GL_LIGHT0, GL_AMBIENT, lightamb);
+	glLightfv(GL_LIGHT0, GL_DIFFUSE, lightcol);
+	glLightfv(GL_LIGHT0, GL_SPECULAR, lightcol);
+
+	glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
+
+	glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 
 	glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
 
@@ -28,22 +50,62 @@ void gl_init(void) {
 	gl_font_init();
 }
 
+static void gl_common(void) {
+	char buf[128];
+	glColor3f(1, 0, 0);
+
+	sprintf(buf, "AssaultFish %s", AF_VERSION);
+	gl_font_text(buf, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf), MwGetInteger(opengl, MwNheight) - gl_font_height(buf) * 2, 1);
+
+	sprintf(buf, "%s", AF_COPYRIGHT);
+	gl_font_text(buf, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf), MwGetInteger(opengl, MwNheight) - gl_font_height(buf), 1);
+}
+
 void gl_render(void) {
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	GLfloat	 lightpos[4] = {0, 5, 0, 1};
+	GLdouble modelview[16];
 
 	if(gl_scenes[gl_scene].init != NULL) gl_scenes[gl_scene].init();
 
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();
-	gluPerspective(60, (double)MwGetInteger(opengl, MwNwidth) / MwGetInteger(opengl, MwNheight), 0.01, 100);
-
+	gluPerspective(60, (double)MwGetInteger(opengl, MwNwidth) / MwGetInteger(opengl, MwNheight), 0.01, 100.0);
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 	gluLookAt(gl_cam_x, gl_cam_y, gl_cam_z, gl_cam_x + cos(gl_cam_lr / 180.0 * M_PI), gl_cam_y + sin(gl_cam_ud / 180.0 * M_PI), gl_cam_z + sin(gl_cam_lr / 180.0 * M_PI), 0, 1, 0);
 
+	glLightfv(GL_LIGHT0, GL_POSITION, lightpos);
+
 	if(gl_scenes[gl_scene].draw != NULL) gl_scenes[gl_scene].draw();
+
+	gl_common();
 }
 
 void gl_scene_change(void) {
 	if(gl_scenes[gl_scene].changed != NULL) gl_scenes[gl_scene].changed();
 }
+
+static void cross(double* out, double v00, double v01, double v02, double v10, double v11, double v12) {
+	out[0] = v01 * v12 - v02 * v11;
+	out[1] = v02 * v10 - v00 * v12;
+	out[2] = v00 * v11 - v01 * v10;
+}
+
+void gl_calc_normal(double* out, double v00, double v01, double v02, double v10, double v11, double v12, double v20, double v21, double v22) {
+	double v[3];
+	double l = 0;
+	int    i;
+
+	cross(&v[0],			       /**/
+	      v10 - v00, v11 - v01, v12 - v02, /**/
+	      v20 - v00, v21 - v01, v22 - v02  /**/
+	);
+
+	l = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
+
+	for(i = 0; i < 3; i++) {
+		out[i] = v[i] / l;
+	}
+}
diff --git a/client/gl_font.c b/client/gl_font.c
index 932ce3c..3c50f75 100644
--- a/client/gl_font.c
+++ b/client/gl_font.c
@@ -23,9 +23,10 @@ void gl_font_init(void) {
 void gl_font_text(const char* text, int x, int y, double scale) {
 	int i;
 	int gw = font_width / 16 * scale, gh = font_height / 16 * scale;
+	int is = glIsEnabled(GL_TEXTURE_2D) ? 1 : 0;
 
 	glDisable(GL_DEPTH_TEST);
-	glEnable(GL_TEXTURE_2D);
+	if(!is) glEnable(GL_TEXTURE_2D);
 	glBindTexture(GL_TEXTURE_2D, font_atlas);
 
 	glMatrixMode(GL_PROJECTION);
@@ -61,7 +62,7 @@ void gl_font_text(const char* text, int x, int y, double scale) {
 	glMatrixMode(GL_MODELVIEW);
 
 	glBindTexture(GL_TEXTURE_2D, 0);
-	glEnable(GL_TEXTURE_2D);
+	if(!is) glEnable(GL_TEXTURE_2D);
 	glEnable(GL_DEPTH_TEST);
 }
 
diff --git a/client/gl_main.c b/client/gl_main.c
index 2edc772..96b1be4 100644
--- a/client/gl_main.c
+++ b/client/gl_main.c
@@ -18,23 +18,32 @@ void gl_main_init(void) {
 void gl_main_draw(void) {
 	int i;
 
-	glDisable(GL_DEPTH_TEST);
 	glPushMatrix();
 	glRotatef(rad, 1, 0, 0);
 	glRotatef(rad, 0, 1, 0);
 	glRotatef(rad, 0, 0, 1);
-	glBegin(GL_TRIANGLES);
 	for(i = 0; i < 8; i++) {
-		double r = i * 90 / 180.0 * M_PI;
-		int    c = ((i + (i / 4)) % 2) == 0 ? 1 : 0;
-		glColor4f(c ? 0.75 : 0, 0, c ? 0 : 0.75, 0.5);
-		glVertex3f(0, (i > 3 ? -1 : 1) * 0.5, 0);
-		glVertex3f(cos(r) / 2, 0, sin(r) / 2);
-		glVertex3f(cos(r + 90 / 180.0 * M_PI) / 2, 0, sin(r + 90 / 180.0 * M_PI) / 2);
+		int    c = (i % 2) == 0 ? 1 : 0;
+		double n[3];
+		double u = 0.3;
+
+		gl_calc_normal(&n[0], 0, u * 1.4, 0, -u, 0, u, u, 0, u);
+
+		glColor3f(c ? 0.75 : 0, 0, c ? 0 : 0.75);
+		glBegin(GL_TRIANGLES);
+		glNormal3f(n[0], n[1], n[2]);
+		glVertex3f(0, u * 1.4, 0);
+		glVertex3f(-u, 0, u);
+		glVertex3f(u, 0, u);
+		glEnd();
+		glRotatef(90, 0, 1, 0);
+		if(i == 3) {
+			glRotatef(180, 0, 0, 1);
+			glRotatef(90, 0, 1, 0);
+		}
 	}
-	glEnd();
+
 	glPopMatrix();
-	glEnable(GL_DEPTH_TEST);
 
 	rad += 60.0 / (1000.0 / AF_WAIT_MS);
 }
diff --git a/include/af_client.h b/include/af_client.h
index 326e33d..fd9d20c 100644
--- a/include/af_client.h
+++ b/include/af_client.h
@@ -38,6 +38,7 @@ void gl_init(void);
 void gl_render(void);
 void gl_resize(int width, int height);
 void gl_scene_change(void);
+void gl_calc_normal(double* out, double v00, double v01, double v02, double v10, double v11, double v12, double v20, double v21, double v22);
 
 /* gl_font.c */
 void gl_font_init(void);
diff --git a/include/af_common.h b/include/af_common.h
index 02f38cc..65ada07 100644
--- a/include/af_common.h
+++ b/include/af_common.h
@@ -18,6 +18,8 @@
 #endif
 
 #define AF_DEFAULT_PORT 5312
+#define AF_VERSION "0.0.0"
+#define AF_COPYRIGHT "Copyright (C) 2025 Fishsoup"
 
 /* should be broadcasted! otherwise other user wouldn't know */
 typedef struct af_pkt_join {