[Fix] Just a few optimization.

src/ai.c

@@ -8,6 +8,29 @@
 #include "pilot.h"
 #include "ai.h"
 
+// == AI ======================================================
+// -- AI will follow basic tasks defined from Lua AI scripts.
+//  -- If task is NULL, AI will run "control" task.
+//  -- Task is continued every frame.
+//  -- "control" task is a special task that *must* exist in
+//      any given Pilot AI (missiles, and suck will use "seek".
+//    -- "control" task is not permanent, but transitory.
+//    -- "control" task sets another task.
+//  -- "control" task is also run at a set rate (depending on
+//      Lua global "control_rate") to choose optimal behaviour
+//      (task).
+// ============================================================
+
+
+// Basic task.
+// name   : Tasks name (Lua function.)
+// target : Target, this will depend on the task itself.
+typedef struct {
+  char* name;
+  void* target;
+} Task;
+
+// Global Lua interpreter.
 static lua_State* L = NULL;
 
 int ai_init(void) {

src/main.c

@@ -62,12 +62,12 @@ int main(int argc, char** argv) {
 
   // input.
   input_init();
-  input_setKeybind("accel",  KEYBIND_KEYBOARD, SDLK_UP, 0);
-  input_setKeybind("accel",  KEYBIND_KEYBOARD, SDLK_w, 0);
-  input_setKeybind("left",   KEYBIND_KEYBOARD, SDLK_LEFT, 0);
-  input_setKeybind("left",   KEYBIND_KEYBOARD, SDLK_a, 0);
-  input_setKeybind("right",  KEYBIND_KEYBOARD, SDLK_RIGHT, 0);
-  input_setKeybind("right",  KEYBIND_KEYBOARD, SDLK_d, 0);
+  input_setKeybind("accel",  KEYBIND_KEYBOARD, SDLK_UP,     0);
+  input_setKeybind("accel",  KEYBIND_KEYBOARD, SDLK_w,      0);
+  input_setKeybind("left",   KEYBIND_KEYBOARD, SDLK_LEFT,   0);
+  input_setKeybind("left",   KEYBIND_KEYBOARD, SDLK_a,      0);
+  input_setKeybind("right",  KEYBIND_KEYBOARD, SDLK_RIGHT,  0);
+  input_setKeybind("right",  KEYBIND_KEYBOARD, SDLK_d,      0);
 
   // Use Lua to parse configuration file.
   lua_State* L = luaL_newstate();
@@ -110,7 +110,7 @@ int main(int argc, char** argv) {
         lua_pushstring(L, "key");
         lua_gettable(L, -3);
         if(lua_isnumber(L, -1))
-          str = (int)lua_tonumber(L, -1);
+          key = (int)lua_tonumber(L, -1);
 
         // Is it reversed? Only useful for axis.
         lua_pushstring(L, "reverse");
@@ -187,9 +187,8 @@ int main(int argc, char** argv) {
   ships_load();
 
   // Testing.
-  unsigned int player_id;
-  player_id = pilot_create(get_ship("Ship"), "Player", NULL, NULL, PILOT_PLAYER);
-  gl_bindCamera(&get_pilot(player_id)->solid->pos);
+  pilot_create(get_ship("Ship"), "Player", NULL, NULL, PILOT_PLAYER);
+  gl_bindCamera(&player->solid->pos);
   space_init();
 
   pilot_create(get_ship("Miss. Test"), NULL, NULL, NULL, 0);
@@ -225,14 +224,19 @@ int main(int argc, char** argv) {
   exit(EXIT_SUCCESS);
 }
 
-// Update all the things.
-// Space:
-//  -- Stars.
-//    -- Movement.
-//    -- Render.
-// Pilots:
-//  -- Think (ai).
-//  -- Solid.
+// == Update everything. ==================================
+// Blitting order. (layers)
+//
+//    BG  | Stars and planets.
+//        | Background particles.
+//  X
+//    N   | NPC ships.
+//        | Normal layer particles (above ships).
+//  X
+//    FG  | Player.
+//        | Foreground particles.
+//        | Text and GUI.
+// ========================================================
 static void update_all(void) {
   double dt = (double)(SDL_GetTicks() - time) / 1000.0;
   time = SDL_GetTicks();

src/opengl.c

@@ -24,8 +24,8 @@ Vec2* gl_camera;
 gl_font gl_defFont;
 
 // Misc.
-static int _flip_surface(SDL_Surface* surface);
-static int _pot(int n);
+static int SDL_VFlipSurface(SDL_Surface* surface);
+static int pot(int n);
 // gl_texture.
 static GLuint gl_loadSurface(SDL_Surface* surface, int* rw, int* rh);
 // Gl font.
@@ -36,7 +36,7 @@ static void gl_fontMakeDList(FT_Face face, char ch, GLuint list_base, GLuint* te
 // ================
 
 // Get me the closest power of two plox.
-static int _pot(int n) {
+static int pot(int n) {
   int i = 1;
   while(i < n)
     i<<=1;
@@ -44,7 +44,7 @@ static int _pot(int n) {
 }
 
 // Flips the surface vertically. Return 0 on success.
-static int _flip_surface(SDL_Surface* surface) {
+static int SDL_VFlipSurface(SDL_Surface* surface) {
   // Flip the image.
   Uint8* rowhi, *rowlo, *tmpbuf;
   int y;
@@ -83,8 +83,8 @@ static GLuint gl_loadSurface(SDL_Surface* surface, int* rw, int* rh) {
   int potw, poth;
   
   // Make size power of two.
-  potw = _pot(surface->w);
-  poth = _pot(surface->h);
+  potw = pot(surface->w);
+  poth = pot(surface->h);
   if(rw)*rw = potw;
   if(rh)*rh = poth;
 
@@ -201,7 +201,7 @@ gl_texture* gl_newImage(const char* path) {
 
   SDL_FreeSurface(tmp); // Free the temp surface.
 
-  if(_flip_surface(surface)) {
+  if(SDL_VFlipSurface(surface)) {
     WARN("Error flipping surface");
     return NULL;
   }
@@ -359,8 +359,8 @@ static void gl_fontMakeDList(FT_Face face, char ch, GLuint list_base, GLuint* te
   bitmap = bitmap_glyph->bitmap; // To simplify.
 
   // Need the POT wrapping for GL.
-  w = _pot(bitmap.width);
-  h = _pot(bitmap.rows);
+  w = pot(bitmap.width);
+  h = pot(bitmap.rows);
 
   // Memory for textured data.
   // Bitmap is useing two channels, one for luminosity and one for alpha.

src/pilot.c

@@ -7,6 +7,9 @@
 #include "log.h"
 #include "pilot.h"
 
+#define VMOD(v) (v.x*v.x + v.y*v.y)
+#define NMOD(n) (n*n)
+
 // Stack of pilot id's to assure uniqueness.
 static unsigned int pilot_id = 0;
 
@@ -53,6 +56,10 @@ static void pilot_update(Pilot* pilot, const double dt) {
 
   // Update the solid.
   pilot->solid->update(pilot->solid, dt);
+  
+  if(VMOD(pilot->solid->vel) > NMOD(pilot->ship->speed)) {
+    // Should not go faster.
+  }
 
   pilot_render(pilot);
 }
@@ -67,8 +74,7 @@ static void pilot_update(Pilot* pilot, const double dt) {
 void pilot_init(Pilot* pilot, Ship* ship, char* name, const Vec2* vel, const Vec2* pos, const int flags) {
   pilot->id = ++pilot_id; // New unique pilot id based on pilot_id, Can't be 0.
   
-  pilot->ship = ship;
-  
+  pilot->ship = ship;  
   pilot->name = strdup((name == NULL) ? ship->name:name);
 
   pilot->solid = solid_create(ship->mass, vel, pos);

src/player.h

@@ -10,6 +10,6 @@ void player_rmFlag(unsigned int flag);
 // Input.
 void input_init(void);
 void input_exit(void);
-void input_set_Keybind(char* keybind, KeybindType type, int key, int reverse);
+void input_setKeybind(char* keybind, KeybindType type, int key, int reverse);
 void input_handle(SDL_Event* event);