[Add] Targetting!!!

dat/ship.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Ships>
 	<ship name="Ship">
-		<GFX>ship.png</GFX>
+		<GFX>ship</GFX>
 		<class>1</class>
 		<movement>
 			<thrust>400</thrust>
@@ -27,7 +27,7 @@
 		</outfits>
   </ship>
 	<ship name="Test">
-		<GFX>ship1.png</GFX>
+		<GFX>ship1</GFX>
 		<class>1</class>
 		<movement>
 			<thrust>180</thrust>

src/main.c

@@ -26,6 +26,8 @@
 #define CONF_FILE       "conf"
 #define MINIMUM_FPS     0.5
 
+#define FONT_SIZE       10
+
 extern const char* keybindNames[]; // Keybindings.
 
 static int quit = 0; // Primary loop.
@@ -80,6 +82,7 @@ int main(int argc, char** argv) {
   input_setKeybind("left",        KEYBIND_KEYBOARD, SDLK_a,     0);
   input_setKeybind("right",       KEYBIND_KEYBOARD, SDLK_d,     0);
   input_setKeybind("primary",     KEYBIND_KEYBOARD, SDLK_SPACE, 0);
+  input_setKeybind("target",      KEYBIND_KEYBOARD, SDLK_TAB,   0);
   input_setKeybind("mapzoomin",   KEYBIND_KEYBOARD, SDLK_UP,    0);
   input_setKeybind("mapzoomout",  KEYBIND_KEYBOARD, SDLK_DOWN,  0);
 
@@ -237,7 +240,7 @@ int main(int argc, char** argv) {
   if(ai_init())
     WARN("Error initializing AI");
 
-  gl_fontInit(NULL, NULL, 16);
+  gl_fontInit(NULL, NULL, FONT_SIZE); // Init default font size.
   gui_init(); // Init the GUI crap.
 
   // Data loading.

src/pilot.c

@@ -25,6 +25,17 @@ static void pilot_update(Pilot* pilot, const double dt);
 void pilot_render(Pilot* pilot);
 static void pilot_free(Pilot* p);
 
+// Get the next pilot based on player_id.
+unsigned int pilot_getNext(unsigned int id) {
+  int i, n;
+  for(i = 0, n = pilots/2; n > 0; n /= 2)
+    i += (pilot_stack[i+n]->id > id) ? 0 : n;
+
+  if(i == pilots-1) return 0;
+
+  return pilot_stack[i+1]->id;
+}
+
 // Pull a pilot out of the pilot_stack based on id.
 Pilot* get_pilot(unsigned int id) {
   // Regular search.

src/pilot.h

@@ -7,6 +7,7 @@
 
 // Aproximation for pilot size.
 #define PILOT_SIZE_APROX  0.8
+#define PILOT_DISABLED    0.2 // Based on armor percentage.
 
 // Creation flags.
 #define PILOT_PLAYER    1 // Pilot is a player.
@@ -46,6 +47,7 @@ typedef struct Pilot {
 // Grabing pilot crap.
 extern Pilot* player; // The player.
 Pilot* get_pilot(unsigned int id);
+unsigned int pilot_getNext(unsigned int id);
 
 // MISC.
 void pilot_shoot(Pilot* p, int secondary);

src/player.c

@@ -7,6 +7,10 @@
 
 #define POW2(x) ((x)*(x))
 
+#define GFX_GUI_FRAME        "../gfx/gui/frame.png"
+#define GFX_GUI_TARG_PILOT   "../gfx/gui/pilot.png"
+#define GFX_GUI_TARG_PLANET  "../gfx/gui/planet.png"
+
 #define KEY_PRESS    1.
 #define KEY_RELEASE -1.
 
@@ -19,7 +23,7 @@ typedef struct {
 } Keybind;
 static Keybind** player_input; // Contains the players keybindings.
 // Name of each keybinding.
-const char* keybindNames[] = { "accel", "left", "right", "primary",
+const char* keybindNames[] = { "accel", "left", "right", "primary", "target",
       "mapzoomin", "mapzoomout" };
 
 // Player stuff.
@@ -27,6 +31,7 @@ Pilot* player = NULL; // extern in pilot.h
 static double player_turn = 0.; // Turn velocity from input.
 static double player_acc  = 0.; // Accel velocity from input.
 static int player_primary = 0; // Player is shooting primary weapon.
+static unsigned int player_target = 0; // Targetted pilot.
 
 // Pilot stuff for GUI.
 extern Pilot** pilot_stack;
@@ -62,6 +67,7 @@ typedef struct {
 #define RADAR_RES_MAX       100.
 #define RADAR_RES_MIN       10.
 #define RADAR_RES_INTERVAL  10.
+#define RADAR_RES_DEFAULT   40.
 
 typedef struct {
   double w,h;
@@ -70,12 +76,14 @@ typedef struct {
 typedef struct {
   // graphics.
   gl_texture* gfx_frame;
+  gl_texture* gfx_targetPilot, *gfx_targetPlanet;
   Radar radar;
   Rect shield, armor, energy;
   // Positions.
   Vec2 pos_frame;
   Vec2 pos_radar;
   Vec2 pos_shield, pos_armor, pos_energy;
+  Vec2 pos_target, pos_target_health;
 } GUI;
 
 GUI gui; // Le Gui!
@@ -87,6 +95,26 @@ extern void pilot_render(Pilot* pilot); // Extern is in Pilot.*
 
 // Render the player.
 void player_render(void) {
+  int i;
+  double x, y, sx, sy;
+  Pilot* p;
+  Vec2 v;
+
+  if(player_target) {
+    p = get_pilot(player_target);
+
+    vect_csetmin(&v, VX(p->solid->pos) - p->ship->gfx_space->sw * PILOT_SIZE_APROX/2.,
+          VY(p->solid->pos) + p->ship->gfx_space->sh * PILOT_SIZE_APROX/2.);
+    gl_blitSprite(gui.gfx_targetPilot, &v, 0, 0);
+    VX(v) += p->ship->gfx_space->sw * PILOT_SIZE_APROX;
+    gl_blitSprite(gui.gfx_targetPilot, &v, 1, 0);
+    VY(v) -= p->ship->gfx_space->sh * PILOT_SIZE_APROX;
+    gl_blitSprite(gui.gfx_targetPilot, &v, 1, 1);
+    VX(v) -= p->ship->gfx_space->sw * PILOT_SIZE_APROX;
+    gl_blitSprite(gui.gfx_targetPilot, &v, 0, 1);
+  }
+
+  // Render the player.
   pilot_render(player);
 
   // GUI!
@@ -111,9 +139,6 @@ void player_render(void) {
     glVertex2d( -1.,  0. );
     glVertex2d( -2.,  0. );
 
-  int i;
-  double x, y, sx, sy;
-  Pilot* p;
   switch(gui.radar.shape) {
     case RADAR_RECT:
       glColor4d(COLOR(cRadar_weap));
@@ -188,19 +213,36 @@ void player_render(void) {
     glVertex2d(x+sx, y-sy);
     glVertex2d(x, y-sy);
   glEnd();
+
+  // Target.
+  if(player_target) {
+    gl_blitStatic(p->ship->gfx_target, &gui.pos_target);
+    if(p->armor < p->armor_max * PILOT_DISABLED)
+      // Disable the pilot.
+      gl_print(NULL, &gui.pos_target_health, "Disabled");
+    else if(p->shield > p->shield_max / 100.)
+      // On shields.
+      gl_print(NULL, &gui.pos_target_health, "%s: %.0f%%", "Shield", p->shield/p->shield_max*100.);
+    else
+      // On armor.
+      gl_print(NULL, &gui.pos_target_health, "%s: %.0f%%", "Armor", p->armor/p->armor_max*100.);
+  }
 }
 
 // Init GUI.
 int gui_init(void) {
+  // -- Targeting.
+  gui.gfx_targetPilot = gl_newSprite(GFX_GUI_TARG_PILOT, 2, 2);
+  gui.gfx_targetPlanet = gl_newSprite(GFX_GUI_TARG_PLANET, 2, 2);
   // -- Frame.
-  gui.gfx_frame = gl_newImage("../gfx/gui/frame.png");
+  gui.gfx_frame = gl_newImage(GFX_GUI_FRAME);
   vect_csetmin(&gui.pos_frame,
         gl_screen.w - gui.gfx_frame->w,   // x.
         gl_screen.h - gui.gfx_frame->h);  // y.
   gui_xoff = -gui.gfx_frame->w/2.; // Offset is only horizontal and on the right side.
 
   // -- Radar.
-  gui.radar.res = 10.;
+  gui.radar.res = RADAR_RES_DEFAULT;
   gui.radar.w   = 128.;
   gui.radar.h   = 128.;
   gui.radar.shape = RADAR_RECT; //RADAR_CIRCLE;
@@ -223,6 +265,16 @@ int gui_init(void) {
         VX(gui.pos_frame) + 10,                       // x
         VY(gui.pos_frame) + gui.gfx_frame->h - 236);  // y.
 
+  // Target.
+  vect_csetmin(&gui.pos_target,
+        VX(gui.pos_frame) + 10,
+        VY(gui.pos_frame) + gui.gfx_frame->h - 256 - SHIP_TARGET_H);
+
+  vect_csetmin(&gui.pos_target_health,
+        VX(gui.pos_frame) + 10 + 10,
+        VY(gui.pos_frame) + gui.gfx_frame->h - 256 - SHIP_TARGET_H + 10);
+
+
   return 0;
 
 }
@@ -308,6 +360,9 @@ static void input_key(int keynum, double value, int abs) {
     if(value == KEY_PRESS) player_primary = 1;
     else if(value == KEY_RELEASE) player_primary = 0;
   }
+  else if(strcmp(player_input[keynum]->name, "target")==0) {
+    if(value == KEY_PRESS) player_target = pilot_getNext(player_target);
+  }
   else if(strcmp(player_input[keynum]->name, "mapzoomin")==0) {
     if(value == KEY_PRESS && gui.radar.res < RADAR_RES_MAX)
       gui.radar.res += RADAR_RES_INTERVAL;

src/ship.c

@@ -14,6 +14,8 @@
 
 #define SHIP_DATA   "../dat/ship.xml"
 #define SHIP_GFX    "../gfx/ship/"
+#define SHIP_EXT    ".png"
+#define SHIP_TARGET "_target"
 
 static Ship* ship_stack = NULL;
 static int ships = 0;
@@ -47,9 +49,14 @@ static Ship* ship_parse(xmlNodePtr parent) {
 
   while((node = node->next)) { // Load all the data.
     if(strcmp((char*)node->name, "GFX")==0) {
-      snprintf(str, strlen((char*)node->children->content)+sizeof(SHIP_GFX),
+      snprintf(str, strlen((char*)node->children->content)+sizeof(SHIP_GFX)+sizeof(SHIP_EXT),
-            SHIP_GFX"%s", (char*)node->children->content);
+            SHIP_GFX"%s"SHIP_EXT, (char*)node->children->content);
       tmp->gfx_space = gl_newSprite(str, 6, 6);
+      // Target.
+      snprintf(str, strlen((char*)node->children->content)+sizeof(SHIP_GFX)+sizeof(SHIP_TARGET)+sizeof(SHIP_EXT),
+            SHIP_GFX"%s"SHIP_TARGET SHIP_EXT, (char*)node->children->content);
+      tmp->gfx_target = gl_newImage(str);
+
     }
     else if(strcmp((char*)node->name, "class")==0)
       tmp->class = atoi((char*)node->children->content);
@@ -192,6 +199,7 @@ void ships_free(void) {
       free(sot);
     }
     gl_freeTexture((ship_stack+i)->gfx_space);
+    gl_freeTexture((ship_stack+i)->gfx_target);
   }
   free(ship_stack);
   ship_stack = NULL;

src/ship.h

@@ -3,6 +3,10 @@
 #include "outfit.h"
 #include "opengl.h"
 
+// Target gfx dimensions.
+#define SHIP_TARGET_W 128
+#define SHIP_TARGET_H 96
+
 enum ship_class { 
   SHIP_CLASS_NULL,
   SHIP_CLASS_CIV_LIGHT,

src/space.c

@@ -154,7 +154,7 @@ static Planet* planet_get(const char* name) {
             if(strcmp((char*)cur->name, "text")==0) {
               snprintf(str, strlen((char*)cur->content)+sizeof(PLANET_GFX),
                     PLANET_GFX"%s", (char*)cur->content);
-              tmp->gfx_space = gl_newSprite(str, 1, 1);
+              tmp->gfx_space = gl_newImage(str);
             }
           }
           else if(strcmp((char*)node->name, "pos")==0) {