moonbus: HUD messaging, undocking

moonbus.p8

@@ -6,6 +6,7 @@ __lua__
 
 plr_alive=true
 plr_win=false
+plr_docked=false
 plr_pos={x=5,y=8}
 plr_speed={x=0.5,y=0}
 plr_static=false
@@ -25,15 +26,25 @@ function _update()
     -- controlls
     plr_engine=-1
     if plr_alive then
+        if not plr_docked then
             if btn(⬆️) then plr_engine=⬆️ end
             if btn(⬇️) then plr_engine=⬇️ end
             if btn(⬅️) then plr_engine=⬅️ end
             if btn(➡️) then plr_engine=➡️ end
         end
+        if plr_docked and btn(❎) then
+            plr_docked=false
+            plr_static=false
+            plr_engine=⬆️
+            plr_speed={x=0,y=0.5}
+        end
+	end
 
     -- engine
     if plr_engine==⬆️ then
         plr_speed.y+=engine_power
+    elseif plr_engine==⬇️ then
+        plr_speed.y-=engine_power
     elseif plr_engine==⬅️ then
         plr_speed.x-=engine_power
     elseif plr_engine==➡️ then
@@ -56,7 +67,7 @@ function _update()
 
     -- crash detection
     local pc=plus(plr_pos,{x=0.5,y=-0.5})
-    if pc.y <= maph then
+    if pc.y <= maph and not plr_static then
         for p in all({plus(pc,clearx(unit(plr_speed,0.4))), plus(pc,cleary(unit(plr_speed,0.4)))}) do
             local pmaps=mget(p.x,maph-p.y)
             local target=fget(pmaps,7)
@@ -65,6 +76,8 @@ function _update()
                 plr_win=true
                 plr_speed={x=0,y=0}
                 plr_pos={x=flr(plr_pos.x+0.5),y=flr(plr_pos.y+0.5)}
+                plr_docked=true
+                plr_static=true
                 sfx(1)
                 break
             elseif solid or plr_pos.y<=0 then
@@ -76,6 +89,7 @@ function _update()
                     plr_speed.x=0
                     plr_speed.y=0
                     plr_static=true
+                    sfx(3)
                 end
                 break
             end
@@ -87,22 +101,24 @@ function _update()
     end
 
     cam={x=plr_pos.x*8-60, y=0}
-    camera(cam.x,cam.y)
 end
 
 function _draw()
     cls()
 
+    camera(cam.x,cam.y)
     map(0, 0, 0, 128-maph*8)
 
     local px,py=to_scrn(plr_pos)
     local img=0
-    if plr_win then
+    if plr_docked then
         img=5
     elseif not plr_alive then
         img=4
     elseif plr_engine==⬆️ then
         img=2
+    elseif plr_engine==⬇️ then
+        img=2
     elseif plr_engine==⬅️ then
         img=3
     elseif plr_engine==➡️ then
@@ -115,9 +131,12 @@ function _draw()
         pset(px,py,8)
     end
 
+    -- HUD
+    camera(0,0)
+
     -- telemetry
     local cr=10
-    local cp={x=cam.x+127-cr,y=cam.y+cr}
+    local cp={x=127-cr,y=cr}
     local spd={x=limit(telem_spd.x,1),y=limit(telem_spd.y,1)}
     circ(cp.x,cp.y,cr,3)
     line(cp.x,cp.y,cp.x+spd.x*cr,cp.y,11)
@@ -129,6 +148,16 @@ function _draw()
         line(cp.x,cp.y,cp.x+0.6*cr,cp.y+0.3*cr,5)
         line(cp.x+0.6*cr,cp.y+0.3*cr,cp.x+0.2*cr,cp.y+0.8*cr,5)
     end
+
+    if plr_alive then
+        if plr_docked then
+            print("press ❎ to undock.", 36,60,11)
+        else
+            print("land gently to dock.", 0,0,3)
+        end
+    else
+        print("oops! you crashed.", 0,0,8)
+    end
 end
 
 function to_scrn(p)
@@ -241,7 +270,7 @@ __sfx__
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 010800000a4500a4500a4503d0502d0503d0502645026050264503363021630196401065003650006400063000620006100461000000000000000000000000000000000000000000000000000000000000000000
 0010002030650336502f6502a6502a6502b6502c6502e650306503165033650346502f6502b6502c6502d6502e6502a65029650296502b6502d650306502f6502d6502d6502e6502f650306502c6502e6502f650
-001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00080000161501915026150241501d150161500e1500c150061500315001150001500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000