Fix player sprite rendering.

infimap.lua

@@ -29,6 +29,6 @@ function render_debug_info()
    print(camera_pos[2], 16, 8, 15)
    print(facing[1], 0, 16, 15)
    print(facing[2], 16, 16, 15)
-   print(player_lookup[facing], 0, 24, 15)
+   print(fget(mget(camera_pos[1]+8, camera_pos[2]+8)), 0, 24, 15)
    clip()
 end

movement.lua

@@ -7,15 +7,21 @@ function init_movement()
 
    -- this is a constant for looking up player sprites by facing
    player_lookup = {
-      [{0, 0}] = -1, -- this state is an error
-      [{-1, 0}] = 120, -- up
-      [{1, 0}] = 121, -- down
-      [{0, -1}] = 122, -- left
-      [{0, 1}] = 123, -- right
-      [{-1, -1}] = 124, -- up-left
-      [{-1, 1}] = 125, -- up-right
-      [{1, -1}] = 126, -- down-left
-      [{1, 1}] = 127 -- down-right
+      [0] = {
+         [0] = -1, -- error state
+         [-1] = 122, -- left
+         [1] = 123, -- right
+      },
+      [-1] = {
+         [0] = 120, -- up
+         [-1] = 124, -- up-left
+         [1] = 125, -- up-right
+      },
+      [1] = {
+         [0] = 121, -- down
+         [-1] = 126, -- down-left
+         [1] = 127, -- down-right
+      },
    }
 end
 
@@ -57,12 +63,12 @@ function handle_input()
 end
 
 function draw_player()
-   spr(player_lookup[facing], 64, 64)
+   spr(player_lookup[facing[1]][facing[2]], 64, 64)
    -- todo: animate the character on move
 end
 
--- pos is a camera position, meaning the player position is
--- pos + {8, 8}
+-- pos is camera position, meaning the player position is
+-- pos + {8, 8}.
 function legal_move(pos)
    return fget(mget(pos[1]+8, pos[2]+8), 0)
 end