Change level preview based on selection

Changelog:
- Finish script to generate level preview altas
- Update render to pick preview based on scroll area selection
- Fix level order check in scripts

res/ldtk_repacker.py

@@ -61,7 +61,7 @@ pprint.pprint(ids_tiletype_map)
 def get_level_order(lvl) -> int:
     order = 65535;
     for data in lvl['fieldInstances']:
-        if data["__identifier"] == "Order":
+        if data["__identifier"] == "Order" and data["realEditorValues"]:
             order = data["__value"]
     return order
 

res/level_render.py

@@ -44,39 +44,67 @@ ENUMIDS_TILETYPE_MAPPING = {
     'Urchin': 25,
 }
 
+DANGER_COLOUR = (239,79,81,255)
+WCRATE_COLOUR = (160,117,48,255)
+MCRATE_COLOUR = (110,110,110,255)
+WATER_COLOUR = (0,0,110,128)
+
 REC_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.rectangle(((x,y), (x+s-1, y+s-1)), c) 
 UPHALFREC_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.rectangle(((x,y), (x+s-1, y+s//2-1)), c) 
 DOWNHALFREC_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.rectangle(((x, y+s//2), (x+s-1,y+s-1)), c) 
 LEFTHALFREC_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.rectangle(((x,y), (x+s//2-1, y+s-1)), c) 
 RIGHTHALFREC_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.rectangle(((x+s//2,y), (x+s-1, y+s-1)), c) 
 CIRCLE_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.circle((x+s//2, y+s//2), s//2, c) 
+TRIANGLE_DRAW_FUNCTION = lambda ctx,x,y,s,c : ctx.regular_polygon(((x+s//2, y+s//2), s//2), 3, 0, c) 
+
+def draw_bomb_tile(ctx, x, y, s, c):
+    REC_DRAW_FUNCTION(ctx, x, y, s, c)
+    ctx.line((x,y,x+s-1,y+s-1), DANGER_COLOUR, 1) 
+    ctx.line((x,y+s-1,x+s-1,y), DANGER_COLOUR, 1) 
+
+def draw_arrow_tile(ctx, x, y, s, c, d):
+    REC_DRAW_FUNCTION(ctx, x, y, s, c)
+    if d == 0:
+        ctx.line((x+s//2,y+s//2,x+s//2,y), DANGER_COLOUR, 1) 
+    elif d == 1:
+        ctx.line((x+s//2,y+s//2,x+s-1,y+s//2), DANGER_COLOUR, 1) 
+    elif d == 2:
+        ctx.line((x+s//2,y+s//2,x+s//2,y+s-1), DANGER_COLOUR, 1) 
+    elif d == 3:
+        ctx.line((x+s//2,y+s//2,x,y+s//2), DANGER_COLOUR, 1) 
+
+def draw_urchin_tile(ctx, x, y, s, c):
+    ctx.line((x,y,x+s-1,y+s-1), c, 1) 
+    ctx.line((x,y+s-1,x+s-1,y), c, 1) 
+    ctx.line((x+(s-1)//2,y,x+(s-1)//2,y+s-1), c, 1) 
+    ctx.line((x,y+(s-1)//2,x+s-1,y+(s-1)//2), c, 1) 
 
 TILETYPE_SHAPE_MAP = {
     'Solid': (REC_DRAW_FUNCTION, (0,0,0,255)),
     'WoodenPlat': (UPHALFREC_DRAW_FUNCTION, (128,64,0,255)),
     'Ladder': (REC_DRAW_FUNCTION, (214,141,64,255)),
-    'LSpike': (LEFTHALFREC_DRAW_FUNCTION, (239,79,81,255)),
-    'RSpike': (RIGHTHALFREC_DRAW_FUNCTION, (239,79,81,255)),
-    'USpike': (UPHALFREC_DRAW_FUNCTION, (239,79,81,255)),
-    'DSpike': (DOWNHALFREC_DRAW_FUNCTION, (239,79,81,255)),
-    'EmptyWCrate': (REC_DRAW_FUNCTION, (160,117,48,255)),
-    #'LArrowWCrate': 9,
-    #'RArrowWCrate': 10,
-    #'UArrowWCrate': 11,
-    #'DArrowWCrate': 12,
-    #'BombWCrate': 13,
-    'EmptyMCrate': (REC_DRAW_FUNCTION, (225,225,225,255)),
-    #'LArrowMCrate': 15,
-    #'RArrowMCrate': 16,
-    #'UArrowMCrate': 17,
-    #'DArrowMCrate': 18,
-    #'BombMCrate': 19,
+    'LSpike': (LEFTHALFREC_DRAW_FUNCTION, DANGER_COLOUR),
+    'RSpike': (RIGHTHALFREC_DRAW_FUNCTION, DANGER_COLOUR),
+    'USpike': (UPHALFREC_DRAW_FUNCTION, DANGER_COLOUR),
+    'DSpike': (DOWNHALFREC_DRAW_FUNCTION, DANGER_COLOUR),
+    'EmptyWCrate': (REC_DRAW_FUNCTION, WCRATE_COLOUR),
+    'LArrowWCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,3), WCRATE_COLOUR),
+    'RArrowWCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,1), WCRATE_COLOUR),
+    'UArrowWCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,0), WCRATE_COLOUR),
+    'DArrowWCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,2), WCRATE_COLOUR),
+    'BombWCrate': (draw_bomb_tile, WCRATE_COLOUR),
+    'EmptyMCrate': (REC_DRAW_FUNCTION, MCRATE_COLOUR),
+    'LArrowMCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,3), MCRATE_COLOUR),
+    'RArrowMCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,1), MCRATE_COLOUR),
+    'UArrowMCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,0), MCRATE_COLOUR),
+    'DArrowMCrate': (lambda ctx,x,y,s,c : draw_arrow_tile(ctx,x,y,s,c,2), MCRATE_COLOUR),
+    'BombMCrate': (draw_bomb_tile, MCRATE_COLOUR),
     'Boulder': (CIRCLE_DRAW_FUNCTION, (45,45,45,255)),
-    #'Runner': 21,
+    'Runner': (TRIANGLE_DRAW_FUNCTION, (0,0,128,255)),
     'Player': (REC_DRAW_FUNCTION, (255,0,255,255)),
     'Chest': (REC_DRAW_FUNCTION, (255,255,0,255)),
     'Exit': (REC_DRAW_FUNCTION, (0,255,0,255)),
-    #'Urchin': 25,
+    'Urchin': (draw_urchin_tile, DANGER_COLOUR),
 }
 
 # First go to tilesets and find Simple_tiles identifier, then find enumTags to identifier which tile type is what tileid
@@ -98,7 +126,7 @@ pprint.pprint(ids_tiletype_map)
 def get_level_order(lvl) -> int:
     order = 65535;
     for data in lvl['fieldInstances']:
-        if data["__identifier"] == "Order":
+        if data["__identifier"] == "Order" and data["realEditorValues"]:
             order = data["__value"]
     return order
 
@@ -123,10 +151,24 @@ converted_filename = '.'.join(fileparts)
 # Get the tile size that fit within the dimensions
 # Error out if tile size is zero
 # Figure out the offset to center the render
-TILE_SIZE = 8
+LEVELS_PER_ROW = 5
+N_ROWS = n_levels // LEVELS_PER_ROW
+if n_levels % LEVELS_PER_ROW != 0:
+    N_ROWS += 1
+
+IMG_WIDTH = 400
+IMG_HEIGHT = 400
+
+FULL_IMG_WIDTH = LEVELS_PER_ROW * IMG_WIDTH
+FULL_IMG_HEIGHT = N_ROWS * IMG_HEIGHT
 # Each level should be packed as: [width, 2 bytes][height, 2 bytes][tile_type,entity,water,padding 1,1,1,1 bytes][tile_type,entity,water,padding 1,1,1,1 bytes]...
 # Then loop the levels. Read the layerIndstances
-for level in all_levels[17:18]:
+
+lvl_render = Image.new("RGBA", (FULL_IMG_WIDTH, FULL_IMG_HEIGHT), (255,255,255,0))
+render_ctx = ImageDraw.Draw(lvl_render)
+for l, level in enumerate(all_levels):
+    lx = (l % LEVELS_PER_ROW) * IMG_WIDTH
+    ly = (l // LEVELS_PER_ROW) * IMG_HEIGHT
     n_chests : int = 0
     # Search for __identifier for the level layout
     level_name = "" 
@@ -156,16 +198,20 @@ for level in all_levels[17:18]:
     width = level_layout["__cWid"]
     height = level_layout["__cHei"]
     print(f"Dim.: {width}x{height}. N Tiles: {width * height}")
-    IMG_WIDTH = width * TILE_SIZE
-    IMG_HEIGHT = height * TILE_SIZE
+
+    TILE_SIZE = 400 // max(width, height)
+    TILE_SIZE = max(TILE_SIZE,1)
+
     # Create a W x H array of tile information
     n_tiles = width * height
 
-    lvl_render = Image.new("RGBA", (IMG_WIDTH, IMG_HEIGHT), (255,255,255,0))
-    render_ctx = ImageDraw.Draw(lvl_render)
+    LVL_SIZE = (width*TILE_SIZE-1, height*TILE_SIZE-1)
+    OFFSET = ((IMG_WIDTH - LVL_SIZE[0]) // 2 + lx, (IMG_HEIGHT - LVL_SIZE[1])//2 + ly)
+
+    render_ctx.rectangle((OFFSET, (OFFSET[0]+width*TILE_SIZE-1, OFFSET[1] + height*TILE_SIZE-1)), (64,64,64,255)) 
     # Loop through gridTiles, get "d" as the index to fill the info
     for i, tile in enumerate(level_layout["gridTiles"]):
-        x, y= (tile["d"][0] % width * TILE_SIZE, tile["d"][0] // width * TILE_SIZE)
+        x, y= (tile["d"][0] % width * TILE_SIZE + OFFSET[0], tile["d"][0] // width * TILE_SIZE + OFFSET[1])
         try:
             if ids_tiletype_map[tile["t"]] in TILETYPE_SHAPE_MAP:
                 draw_func, colour = TILETYPE_SHAPE_MAP[ids_tiletype_map[tile["t"]]]
@@ -176,27 +222,32 @@ for level in all_levels[17:18]:
             print("Error on tile", x, y)
             render_ctx.circle((x,y), 2,(255,0,0,255))
             print(e)
-    lvl_render.show()
-    #for i, water_level in enumerate(water_layout["intGridCsv"]):
-    #    tiles_info[i][2] = water_level
 
     ## Subject to change
-    #for ent in entity_layout["entityInstances"]:
-    #    x,y = ent["__grid"]
-    #    tiles_info[y*width + x][0] = ENUMIDS_TILETYPE_MAPPING[ent["__identifier"]]
-    #    if ent["__identifier"] == "Urchin":
-    #        spd_encoding = 0
-    #        for urchin_data in ent['fieldInstances']:
-    #            if urchin_data["__identifier"] == "Direction":
-    #                spd_encoding |= urchin_data["__value"] << 2
-    #            elif urchin_data["__identifier"] == "SpeedLevel":
-    #                spd_encoding |= urchin_data["__value"]
+    for ent in entity_layout["entityInstances"]:
+        x,y = ent["__grid"]
+        x *= TILE_SIZE
+        x += OFFSET[0]
+        y *= TILE_SIZE
+        y += OFFSET[1]
+        ent = ent["__identifier"]
+        try:
+            if ent in TILETYPE_SHAPE_MAP:
+                draw_func, colour = TILETYPE_SHAPE_MAP[ent]
+                draw_func(render_ctx, x, y, TILE_SIZE, colour)
+            else:
+                print(ent, "is not mapped");
+        except Exception as e:
+            print("Error on tile", x, y)
+            render_ctx.circle((x,y), 2,(255,0,0,255))
+            print(e)
 
-    #        tiles_info[y*width + x][0] += spd_encoding
-
-    
-    #for y in range(height):
-    #    for x in range(width):
-    #        print(tiles_info[y*width + x], end=" ")
-    #    print()
+    for i, water_level in enumerate(water_layout["intGridCsv"]):
+        if water_level == 0:
+            continue
+        x, y = (i % width * TILE_SIZE + OFFSET[0], i // width * TILE_SIZE + OFFSET[1])
+        height = TILE_SIZE * water_level / 4
+        render_ctx.rectangle(((x,y+TILE_SIZE-height), (x+TILE_SIZE-1, y+TILE_SIZE-1)), WATER_COLOUR) 
 
+lvl_render.save("preview.png")
+lvl_render.show()

scenes/level_select_scene.c

@@ -10,10 +10,16 @@ static void level_select_render_func(Scene_t* scene)
     Sprite_t* spr = get_sprite(&scene->engine->assets, "bunny_spr1");
     Sprite_t* level_board = get_sprite(&scene->engine->assets, "lvl_board");
     Sprite_t* level_select = get_sprite(&scene->engine->assets, "lvl_select");
+    Sprite_t* preview = get_sprite(&scene->engine->assets, "lvlprvw");
     BeginTextureMode(scene->layers.render_layers[0].layer_tex);
         ClearBackground(BLANK);
         draw_sprite(level_select, 0, (Vector2){0,0},0, false);
         draw_sprite(level_board, 0, (Vector2){level_select->frame_size.x,0},0, false);
+
+        draw_sprite(preview, data->scroll_area.curr_selection, (Vector2){
+            level_select->frame_size.x + (level_board->frame_size.x - preview->frame_size.x) / 2,
+            (level_board->frame_size.y - preview->frame_size.y) / 2,
+        },0, false);
         DrawText("Level Select", 10, 10, 40, BLACK);
         vert_scrollarea_render(&data->scroll_area);
         draw_sprite(