-[NEW] Nemesio acabat

data/modules/ia/nemesio.lua

@@ -1,16 +1,29 @@
 require ":utils.util"
 
+nemesio = { STATIC = 1, FLOATING = 2 }
+
 function ia.update_nemesio(spr)
 
     spr.timer = spr.timer + 1
 
-    if spr.state == templates.ALIVE then
+    local target = {x=sprites.hero.pos.x-spr.pos.x, y=sprites.hero.pos.y-spr.pos.y}
+    if target.x > 0 then
+        spr.flipped = false
+    else
+        spr.flipped = true
+    end
+
+    if spr.substate == nemesio.STATIC then
+        spr.mode = draw.NORMAL
         if spr.timer==100 then
             spr.timer=0
-            spr.state = templates.DYING
+            spr.substate = nemesio.FLOATING
-            local target = {x=sprites.hero.pos.x-spr.pos.x, y=sprites.hero.pos.y-spr.pos.y}
+            spr.advance = {x=0,y=0}
-            spr.advance = util.normalize(target)
+            if math.abs(target.x) > math.abs(target.y) then
-            spr.fpos = {x=spr.pos.x, y=spr.pos.y}
+                spr.advance.x = math.sign(target.x)
+            else
+                spr.advance.y = math.sign(target.y)
+            end
         end
 
         if sprites.hero.state == templates.ALIVE then
@@ -22,14 +35,14 @@ function ia.update_nemesio(spr)
             end
         end
 
-    elseif spr.state == templates.DYING then
+    elseif spr.substate == nemesio.FLOATING then
-        spr.fpos.x = spr.fpos.x + spr.advance.x
+        spr.mode = draw.PATTERN
-        spr.fpos.y = spr.fpos.y + spr.advance.y
+        spr.pattern = 0xa5a5
-        spr.pos.x = math.floor(spr.fpos.x)
+        spr.pos.x = spr.pos.x + spr.advance.x
-        spr.pos.y = math.floor(spr.fpos.y)
+        spr.pos.y = spr.pos.y + spr.advance.y
         if spr.timer == 32 then
             spr.timer = 0
-            spr.state = templates.ALIVE
+            spr.substate = nemesio.STATIC
         end
     end
 end

data/modules/sprites.lua

@@ -185,7 +185,11 @@ function sprites.draw_sprite(sprite)
     local reversed = frame.reversed or false
     if not sprite.invisible then
         surf.source(sprite.surf)
+        if sprite.pattern then draw.pattern(sprite.pattern) end
+        if sprite.mode then draw.mode(sprite.mode) end
         draw.surf(frame.frame.x, frame.frame.y, frame.frame.w, frame.frame.h, sprite.pos.x+ox, sprite.pos.y+oy, frame.frame.w, frame.frame.h, (not reversed) ~= (not sprite.flipped))
+        draw.pattern(0xffff)
+        draw.mode(draw.NORMAL)
     end
     if cheats.showaabb then
         local x,y,w,h = util.aabb(sprite)

data/modules/templates.lua

@@ -170,6 +170,7 @@ function me.create(type, options)
             surf = surf.load("gfx/nemesio.gif"),
             animation = "nemesio",
             state = me.ALIVE,
+            substate = nemesio.STATIC,
             timer = 0,
             enemy = true,
             room = options.room,

data/utils/util.lua

@@ -34,3 +34,11 @@ function util.normalize(v)
     end
     return {x = v.x / magnitud, y = v.y / magnitud}
 end
+
+function math.sign(value)
+    if value > 0 then
+        return 1
+    else
+        return -1
+    end
+end