[Change] Improved StarMap by displaying color based on the path you can travel.

dat/ssys.xml

@@ -71,6 +71,29 @@
     <jumps>
 			<jump>SaraSys</jump>
       <jump>KonoSys</jump>
+			<jump>NCG-7292</jump>
+    </jumps>
+	</ssys>
+	<ssys name="NCG-7292">
+		<pos>
+			<x>67</x>
+			<y>20</y>
+		</pos>
+		<general>
+			<stars>230</stars>
+			<asteroids>0</asteroids>
+			<interference>0</interference>
+		</general>
+		<planets>
+		</planets>
+		<fleets>
+			<fleet chance="80">Merchant Ship</fleet>
+			<fleet chance="60">Merchant Mule</fleet>
+			<fleet chance="60">Pirate</fleet>
+			<fleet chance="60">Pirate</fleet>
+		</fleets>
+    <jumps>
+			<jump>NCG-7291</jump>
     </jumps>
 	</ssys>
 </Systems>

src/colour.c

@@ -13,7 +13,6 @@ glColour cGrey20    = { .r = 0.20, .g = 0.20, .b = 0.20, .a = 1. };
 glColour cGrey10    = { .r = 0.10, .g = 0.10, .b = 0.10, .a = 1. };
 glColour cBlack     = { .r = 0.00, .g = 0.00, .b = 0.00, .a = 1. };
 
-glColour cTrans			= { .r = 1.00, .g = 1.00, .b = 1.00, .a = 0. };
 glColour cGreen     = { .r = 0.20, .g = 0.80, .b = 0.20, .a = 1. };
 glColour cDarkRed   = { .r = 0.60, .g = 0.10, .b = 0.10, .a = 1. };
 glColour cRed       = { .r = 0.80, .g = 0.20, .b = 0.20, .a = 1. };

src/colour.h

@@ -22,7 +22,6 @@ extern glColour cGrey30;
 extern glColour cGrey20;
 extern glColour cGrey10;
 
-extern glColour cTrans;
 extern glColour cGreen;
 extern glColour cDarkRed;
 extern glColour cRed;

src/map.c

@@ -22,8 +22,12 @@ static int map_selected = 0;
 static int map_drag = 0; // Is the user dragging the map?
 
 // Extern.
+// space.c
 extern StarSystem* systems_stack;
 extern int systems_nstack;
+// player.c
+extern int planet_target;
+extern int hyperspace_target;
 
 static void map_close(char* str);
 static void map_update(void);
@@ -123,6 +127,7 @@ static void map_render(double bx, double by, double w, double h) {
 	int i, j;
 	double x, y, r;
 	StarSystem* sys;
+	glColour* col;
 
 	r = 5.;
 	x = bx - map_xpos + w/2;
@@ -150,17 +155,23 @@ static void map_render(double bx, double by, double w, double h) {
 
 			// Draw the hyperspace paths.
 			glShadeModel(GL_SMOOTH);
-			for(j = 0; j < sys->njumps; j++) {
 				// Cheaply use transparency instead of actually
 				// calculating from x to y the line must go. :)
+			for(j = 0; j < sys->njumps; j++) {
+				// Set the colours, is the route the current one?
+				if(((cur_system == sys) && (j == hyperspace_target)) ||
+							((cur_system == &systems_stack[sys->jumps[j]]) &&
+							(sys = &systems_stack[cur_system->jumps[hyperspace_target]])))
+					col = &cRed;
+				else col = &cInert;
 				glBegin(GL_LINE_STRIP);
-				COLOUR(cTrans);
+				ACOLOUR(*col, 0.);
 				glVertex2d(x+sys->pos.x, y+sys->pos.y);
-				COLOUR(cInert);
+				COLOUR(*col);
 				glVertex2d(
 							x+sys->pos.x+(systems_stack[sys->jumps[j]].pos.x-sys->pos.x)/2.,
 							y+sys->pos.y+(systems_stack[sys->jumps[j]].pos.y-sys->pos.y)/2.);
-				COLOUR(cTrans);
+				ACOLOUR(*col, 0.);
 				glVertex2d(x+systems_stack[sys->jumps[j]].pos.x,
 							y+systems_stack[sys->jumps[j]].pos.y);
 				glEnd();
@@ -175,7 +186,7 @@ static void map_render(double bx, double by, double w, double h) {
 
 // Map event handling.
 static void map_mouse(SDL_Event* event, double mx, double my) {
-	int i;
+	int i, j;
 	double x, y, t;
 
 	t = 13.*13.; // Threshold.
@@ -193,6 +204,12 @@ static void map_mouse(SDL_Event* event, double mx, double my) {
 
 				if((pow2(mx-x)+pow2(my-y)) < t) {
 					map_selected = i;
+					for(j = 0; j < cur_system->njumps; j++)
+						if(i == cur_system->jumps[j]) {
+							planet_target = -1; // Override planet target.
+							hyperspace_target = j;
+							break;
+						}
 					map_update();
 					break;
 				}

src/opengl.h

@@ -33,7 +33,8 @@ typedef struct glInfo_ {
 } glInfo;
 extern glInfo gl_screen; // Local structure set with gl_init etc.
 
-#define COLOUR(x) glColor4d((x).r, (x).g, (x).b, (x).a)
+#define COLOUR(x) 		glColor4d((x).r, (x).g, (x).b, (x).a)
+#define ACOLOUR(x,a)	glColor4d((x).r, (x).g, (x).b, a)
 
 // Spritesheet info.
 typedef struct glTexture_ {

src/player.c

@@ -35,9 +35,9 @@ unsigned int player_flags = 0; 	// Player flags.
 double player_turn = 0.; 				// Turn velocity from input.
 double player_acc  = 0.; 				// Accel velocity from input.
 unsigned int player_target = PLAYER_ID; // Targetted pilot.
-static int planet_target = -1; // Targetted planet.
-// Internal.
-static int hyperspace_target = -1; // Target hyperspace route.
+// Internal
+int planet_target			= -1; // Targetted planet.
+int hyperspace_target = -1; // Target hyperspace route.
 
 // Pilot stuff for GUI.
 extern Pilot** pilot_stack;