Implement jumping to selected satellite.

wojciech-graj · Mar 19, 2023 · 2480505 · 2480505
1 parent fa3e362
commit 2480505
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Showing 3 changed files with 97 additions and 2 deletions.
diff --git a/res/ui/ui.glade b/res/ui/ui.glade
@@ -708,6 +708,65 @@
                 <property name="position">1</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkFrame">
+                <property name="visible">True</property>
+                <property name="can-focus">False</property>
+                <property name="label-xalign">0</property>
+                <property name="shadow-type">none</property>
+                <child>
+                  <object class="GtkAlignment">
+                    <property name="visible">True</property>
+                    <property name="can-focus">False</property>
+                    <property name="left-padding">12</property>
+                    <child>
+                      <object class="GtkBox">
+                        <property name="visible">True</property>
+                        <property name="can-focus">False</property>
+                        <child>
+                          <object class="GtkButton" id="info_jump_to">
+                            <property name="label" translatable="yes">Jump to</property>
+                            <property name="visible">True</property>
+                            <property name="sensitive">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">True</property>
+                            <signal name="clicked" handler="on_info_jump_to_clicked" swapped="no"/>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">0</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkSeparator">
+                            <property name="visible">True</property>
+                            <property name="can-focus">False</property>
+                          </object>
+                          <packing>
+                            <property name="expand">True</property>
+                            <property name="fill">True</property>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+                <child type="label">
+                  <object class="GtkLabel">
+                    <property name="visible">True</property>
+                    <property name="can-focus">False</property>
+                    <property name="label" translatable="yes">Actions</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="position">1</property>

diff --git a/src/ui/info.c b/src/ui/info.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Wojciech Graj
+ * Copyright (c) 2022-2023 Wojciech Graj
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -14,13 +14,15 @@
 
 #include "info.h"
 
+#include "camera.h"
 #include "phys.h"
 #include "type.h"
 
 #include "TLE.h"
 #include "satcat_code.h"
 #include <cglm/mat3.h>
 #include <cglm/mat4.h>
+#include <cglm/util.h>
 #include <cglm/vec2.h>
 #include <cglm/vec3.h>
 
@@ -71,6 +73,9 @@ static const char *info_item_ids[] = {
 	[INFO_VELOCITY] = "info_velocity",
 };
 
+static GtkButton *jump_to_button;
+
+static void on_info_jump_to_clicked(GtkButton *button, gpointer user_data);
 static void fmt_scdate(gchar *buf, gulong n, struct SCDate *date);
 static void fmt_coords(gchar *buf, gulong n, double x, double y, double z);
 
@@ -82,6 +87,33 @@ void info_init(GtkBuilder *builder)
 	unsigned i;
 	for (i = 0; i < NUM_INFO_ITEMS; i++)
 		info_items[i] = GTK_LABEL(gtk_builder_get_object(builder, info_item_ids[i]));
+	gtk_builder_add_callback_symbols(builder,
+		"on_info_jump_to_clicked", G_CALLBACK(on_info_jump_to_clicked),
+		NULL);
+	jump_to_button = GTK_BUTTON(gtk_builder_get_object(builder, "info_jump_to"));
+}
+
+void on_info_jump_to_clicked(GtkButton *button, gpointer user_data)
+{
+	(void)button;
+	(void)user_data;
+
+	double r[3], v[3];
+	getRVForDate(&satellite->tle, e_phys.epoch_ms, r, v);
+
+	mat3 t;
+	glm_vec3_copy((vec3){ 0.f, 0.f, 1.f }, t[2]);
+	glm_vec3_copy((vec3){ (float)cos(e_phys.gmst), (float)-sin(e_phys.gmst), 0.f }, t[0]);
+	glm_vec3_cross(t[2], t[0], t[1]);
+	glm_vec3_norm(t[1]);
+	glm_mat3_scale(t, 1.05f / 6371.f);
+
+	vec3 pos;
+	glm_mat3_mulv(t, (vec3){ r[0], r[1], r[2] }, pos);
+	float rad = glm_vec3_norm(pos);
+	e_camera.rad = glm_clamp(rad, 1.1f, 10.f);
+	glm_vec3_scale(pos, e_camera.rad / rad, e_camera.pos);
+	camera_view_update(&e_camera);
 }
 
 void fmt_scdate(gchar *buf, gulong n, struct SCDate *date)
@@ -118,6 +150,8 @@ void info_show(struct Satellite *sat)
 	gtk_label_set_text(info_items[INFO_PERIGEE], buf);
 	g_snprintf(buf, 11, "%08.4f", satellite->satcat.radar_cs);
 	gtk_label_set_text(info_items[INFO_RADAR_CS], buf);
+
+	gtk_widget_set_sensitive(GTK_WIDGET(jump_to_button), TRUE);
 }
 
 void info_hide(void)
@@ -126,6 +160,8 @@ void info_hide(void)
 	unsigned i;
 	for (i = 0; i < NUM_INFO_ITEMS; i++)
 		gtk_label_set_text(info_items[i], "");
+
+	gtk_widget_set_sensitive(GTK_WIDGET(jump_to_button), FALSE);
 }
 
 void fmt_coords(gchar *buf, gulong n, double x, double y, double z)

diff --git a/util/README_WIN.txt b/util/README_WIN.txt
@@ -1,6 +1,6 @@
 To run the program, execute bin/orbvis.exe . A shortcut to this file can safely be created, but the executable cannot be removed from the surrounding directory structure.
 
-Copyright (c) 2022 Wojciech Graj
+Copyright (c) 2022-2023 Wojciech Graj
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License