From e57ded9b8d80750fb74c59578ad1c83768c51d86 Mon Sep 17 00:00:00 2001
From: StochasticMouse <alessiorondelli0@gmail.com>
Date: Wed, 17 Jul 2024 18:01:42 +0200
Subject: [PATCH] added save/load funcs to tilemap

---
 game.py          |  6 +++++-
 scripts/tiles.py | 16 +++++++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/game.py b/game.py
index 9c57c11..3b1ae5e 100644
--- a/game.py
+++ b/game.py
@@ -38,7 +38,7 @@ class Game:
             #'stone' : load_images('tiles/stone/')
             'iso'    : load_images('tiles/iso/')
         }
-        self.tilemap = Tilemap(self, (64,32), 'map_1.csv')
+        self.tilemap = Tilemap(self, (64,32), 'map_2.csv')
         self.camera = Camera(self)
         while self.status == 'iso_game':
             delta = np.array([0.0,0.0])
@@ -104,6 +104,10 @@ class Game:
                 delta += np.array([0,-5])
             if keys[pygame.K_DOWN]:
                 delta += np.array([0,5])
+            if keys[pygame.K_o]:
+                self.tilemap.save('map_2.csv')
+            if keys[pygame.K_l]:
+                self.tilemap.load_map('map_2.csv')
             if mouse_butt[0]: #on left click
                 click = True
             if mouse_butt[2]: #on right click
diff --git a/scripts/tiles.py b/scripts/tiles.py
index 89ef879..3d1b4c1 100644
--- a/scripts/tiles.py
+++ b/scripts/tiles.py
@@ -10,7 +10,7 @@ class Tilemap:
     def __init__(self, game, tile_size, map_path = None):
         self.game = game
         self.tile_size = np.array(tile_size)
-        self.offgrid_tiles = []
+        #self.offgrid_tiles = []
         if map_path:
             self.load_map(map_path)
             
@@ -27,6 +27,16 @@ class Tilemap:
         if np.any(self.tilemap.shape <= pos):
             self.extend_tilemap(pos)
         self.tilemap[*pos] = tile
+
+    def save(self, map_path):
+        inverse_tile_dict = {TILE_DICT[i]:i for i in range(len(TILE_DICT))}
+        tile_arr = np.empty_like(self.tilemap,dtype=np.int8)
+        for row in range(self.tilemap.shape[0]):
+            for col in range(self.tilemap.shape[1]):
+                tile = self.tilemap[row,col]
+                tile_arr[row,col] = inverse_tile_dict[(tile['type'], tile['variant'], tile['walkable'])]
+        tile_arr = np.transpose(tile_arr)
+        np.savetxt(BASE_MAP_PATH + map_path, tile_arr, delimiter=',', fmt='%.1d')
         
     def load_map(self, map_path):
         #print(map_path)
@@ -41,8 +51,8 @@ class Tilemap:
             for y in range(self.tilemap.shape[1]):
                 tile = self.tilemap[x,y]
                 surface.blit(self.game.assets[tile['type']][tile['variant']],(to_isometric_pixel(np.array((x,y)))*self.tile_size)-offset)
-        for tile in self.offgrid_tiles:
-            surface.blit(self.game.assets[tile['type']][tile['variant']],(to_isometric_pixel(tile['pos'])*self.tile_size)-offset)  #this tile is written offgrid so no mult by tile_size
+        #for tile in self.offgrid_tiles:
+        #    surface.blit(self.game.assets[tile['type']][tile['variant']],(to_isometric_pixel(tile['pos'])*self.tile_size)-offset)  #this tile is written offgrid so no mult by tile_size
     def tiles_around(self,pos):
         tiles = []
         tile_loc = np.array(pos // np.array((self.tile_size[0],self.tile_size[0])),dtype=int) #gotta use this and not just self.tile_size to normalize wrt the change of variables for the isometric view