[Add] Lua wrapper calls.

scripts/ai/API

@@ -0,0 +1,78 @@
+// ================
+// TASKS!
+// ================
+
+pushtask(number pos, string name, int/pointer targer)
+  -- Pushes a task onto the queue.
+    -- pos    : Place task at the beginning if 0, or end if 1.
+    -- name   : Function name, this is to be defined in the lua file.
+    -- target : int or pointer containing target info (for example, could be
+                pilot id or a Vec2).
+    -- return nil.
+
+poptask()
+  -- Pops the current task from the list.
+    -- return nil
+
+taskname()
+  -- Returns the current task name.
+    -- return string name of the current task.
+
+// ================
+// CONSULT!
+// ================
+
+gettarget()
+  -- Gets the current target.
+    -- return pointer to the target.
+
+gettargerid()
+  -- Gets the current targets id.
+    -- return number of the current target id.
+
+getdist(Vec2 vect)
+  -- Gets the distance from the position of the Vec2 vect.
+    -- Vect point to calculate the distance from.
+    -- return nil.
+
+getpos(number/pilot)
+  -- Get the pilots position of the current pilots position if no pilot
+     is specified.
+    -- pilot ID or poiunter to the pilot to get the position of, if no params are called
+       it uses the current pilot as target.
+    -- return Vec2
+
+minbrakedist()
+  -- Returns the minimum required braking distance assuming all goes well.
+    -- return number distance needed to brake.
+
+// ================
+// MOVEMENT!
+// ================
+
+accel(number mod)
+  -- Accelerates the pilot.
+    -- mod float that represents acceleration ratio between 0(stopped) and 1(max accel).
+    -- return nil.
+
+turn(number mod)
+  -- Turns the pilot.
+    -- mod float that represents the turning ratio between -1(max right) and 1(max left).
+    -- return nil.
+
+face(number/Vec2 target, number invert)
+  -- Turn to face the current target.
+    -- target pilot ID or Vec2 to face.
+    -- invert face away if 1
+    -- return nil
+
+// ================
+// MISC!
+// ================
+
+createvect(number x, number y)
+  -- Create a vector from cartesian coords.
+    -- x coord of the vector.
+    -- y coord of the vector.
+    -- return pointer to the Vec2
+

src/main.c

@@ -239,6 +239,7 @@ int main(int argc, char** argv) {
 //        | Text and GUI.
 // ========================================================
 static void update_all(void) {
+  // dt in us.
   double dt = (double)(SDL_GetTicks() - time) / 1000.;
   time = SDL_GetTicks();