same problem, but it is late

include/maths.h

@@ -1,6 +1,9 @@
 #ifndef MATHS
     #define MATHS
 
+float fcos(unsigned char x);
+float fsin(unsigned char x);
+
 #define pi 3.14159265358
 #define pi_2 1.570796327
 #define pi_4 0.78539981635

include/wings.h

@@ -1,13 +1,14 @@
 #ifndef WINGS
     #define WINGS
 
-#define MAX_MISSILES 8
+#define MAX_MISSILES 2
 
 // missiles management
 typedef struct Missile
 {
-    unsigned char dir[MAX_MISSILES];
-    short distance[MAX_MISSILES]; // distance between the plane and the missile
+    unsigned char dir;
+    short distance; // distance between the plane and the missile
+    unsigned char type;
 } Missile;
 
 // plane management
@@ -24,8 +25,9 @@ typedef struct Plane
     */
 
     unsigned char life;
+    unsigned char reload;
 
-    struct Missile missiles;
+    Missile missiles[MAX_MISSILES];
     // align
 } Plane;
 

src/maths.c

@@ -1,5 +1,20 @@
 #include "maths.h"
 
+//get the value of sin/cos(dir * pi_4)
+
+float fcos(unsigned char x)
+{
+    float cos[4] = {1.0, 0.707106, 0.0, -0.707106};
+
+    return (x < 4 ? cos[x] : - cos[x%4]);
+}
+
+float fsin(unsigned char x)
+{
+    return fcos(x - 2);
+}
+
+
 #define MAX_TURN 6
 
 float cos(float x)

src/wings.c

@@ -13,7 +13,6 @@
 #define SIZE_MAP_Y 256
 
 #define MAX_PLANES 3
-#define MAX_MISSILES 8
 
 Plane planes[MAX_PLANES]; // number of planes in the map (with us)
 //others planes are controlled by the AI
@@ -31,19 +30,32 @@ int main()
 
 void init()
 {
-    unsigned char i;
+    unsigned char i,j;
 
-    planes[0].x = 56;
-    planes[0].y = 24;
-    planes[0].dir = 0;
-    planes[0].life = 100;
+    for(i = 0; i < MAX_PLANES; i++)
+    {
+        planes[i].x = 56 + 16 * i;
+        planes[i].y = 24 + i;
+        planes[i].dir = i;
+        planes[i].life = 100;
+        planes[i].reload = 6;
+
+        for(j = 0; j < MAX_MISSILES; j++)
+        {
+            planes[i].missiles[j].distance = 0;
+            planes[i].missiles[j].dir = planes[i].dir;
+            planes[i].missiles[j].type = 0;
+        }
+    }
+}
+
+void AI() // iA start
+{
+    unsigned char i;
 
     for(i = 1; i < MAX_PLANES; i++)
     {
-        planes[i].x = 10 + 16 * i;
-        planes[i].y = 12 + i;
-        planes[i].dir = i;
-        planes[i].life = 100;
+
     }
 }
 
@@ -99,21 +111,14 @@ void *update_frame()
             case 7 : decalx--; decaly--; break;
         }
 
-    if(decalx < - SIZE_MAP_X || decalx > SIZE_MAP_X || decaly < - SIZE_MAP_Y || decaly > SIZE_MAP_Y)
-    {
-        dtext(1, 10, "You are going to dead");
-    }
+
 
     dimage_part(planes[0].x, planes[0].y, &plane, 16*planes[0].dir, 0, 16, 16);
 
     for(i = 1; i < MAX_PLANES; i++)
     {
-        // print condition
-
-        if(planes[i].x + decalx > 0 || planes[i].x + decalx < 128 || planes[i].y + decaly > 0 || planes[i].y + decaly < 64)
-        {
-            //dimage_part(planes[i].x + decalx, planes[i].y + decaly, &plane, 16*planes[i].dir, 0, 16, 16);
-        }
+    //    dimage_part(planes[i].x + decalx, planes[i].y + decaly, &plane, 16*planes[i].dir, 0, 16, 16);
+        dimage(planes[i].x + decalx, planes[i].y + decaly, &plane);
     }
 
     dimage(10 + decalx, 10 + decaly, &cloud);
@@ -122,15 +127,11 @@ void *update_frame()
     {
         for(j = 0; j < MAX_MISSILES; j++)
         {
+        dimage_part(planes[i].x + 4 + (planes[i].missiles[j].distance + 15) * fcos(planes[i].missiles[j].dir),
+                    planes[i].y + 4 - (planes[i].missiles[j].distance + 15) * fsin(planes[i].missiles[j].dir),
+                    &missiles, 8 * planes[i].missiles[j].dir, 0, 8, 8);
 
-        //if(planes[i].missiles.distance[j] > 0) // we load the missile to reach the target
-        //    {
-        dimage_part(planes[i].x + 4 + (planes[i].missiles.distance[j] + 15) * cos(planes[i].missiles.dir[j] * pi_4),
-                    planes[i].y + 4 - (planes[i].missiles.distance[j] + 15) * sin(planes[i].missiles.dir[j] * pi_4),
-                    &missiles, 8 * planes[i].missiles.dir[j], 0, 8, 8);
-
-            planes[i].missiles.distance[j]++;
-        //    }
+        planes[i].missiles[j].distance++;
         }
     }
 
@@ -149,13 +150,15 @@ int game()
 
     j = 0;
 
+    init(); // initialisation
+
     timer_t *timer = NULL;
 
     timer = timer_create(40, 0);
     timer_attach(timer, &update_frame, NULL);
     timer_start(timer);
 
-    init(); // initialisation
+
 
     while(1)
     {
@@ -230,6 +233,9 @@ int game()
 
         if(fire) // put the screen on fire !
         {
+            planes[0].missiles[j].dir = planes[0].dir; // the missile take the direction of the plane
+            planes[0].missiles[j].distance = 0; // fire unlimited (nearly)
+
             j = j + 1;
 
             if(j >= MAX_MISSILES)
@@ -237,8 +243,6 @@ int game()
                 j = 0;
             }
 
-            planes[0].missiles.dir[j] = planes[0].dir;
-            planes[0].missiles.distance[j] = 0; // fire unlimited (nearly)
             fire = 0; // fire disable, shoot one by one // this code line will depend if we shoot in continue
         }
     }