Make the room editor un-hacked in

3 files changed, 75 insertions, 38 deletions

diff --git a/src/objs/player.lua b/src/objs/player.lua
index 4b75cb3..1e41523 100644
--- a/src/objs/player.lua
+++ b/src/objs/player.lua
@@ -14,49 +14,11 @@ function body_sys(ent, dt)
   ent.y = ent.box.y
 end
 
-local tile = 1
-
 function player_movement_sys(player, dt)
   local inpx, inpy = input_direction("Left", "Right", "Up", "Down")
   inpx, inpy = normalize(inpx, inpy)
   player.vx = dlerp(player.vx, inpx * PLAYER_SPEED, 25 * dt)
   player.vy = dlerp(player.vy, inpy * PLAYER_SPEED, 25 * dt)
-
-  -- Testicle stuff, remove when testising is no longer needed
-  if not im.has_focus() then
-    if is_input_pressed("Right_Click") then
-      local scn = get_current_scene()
-      assert(scn, "no scene set.")
-
-      local mx, my = get_mouse_pos()
-      local tx, ty = to_tile_coords(mx, my)
-      set_tile(scn.tilemap, tx, ty, tile)
-    end
-    if is_input_pressed("Left_Click") then
-      local scn = get_current_scene()
-      assert(scn, "no scene set.")
-
-      local mx, my = get_mouse_pos()
-      local tx, ty = to_tile_coords(mx, my)
-      remove_tile(scn.tilemap, tx, ty)
-    end
-  end
-end
-
-function player_ui_sys(_)
-  im.begin_window("Room Editor", 120, 5, 180, 320, {})
-    im.layout({0.5, 0.75, 1})
-    im.text("Tile: " .. tostring(tile))
-    if im.button(" - ") then
-      tile = math.max(tile - 1, 0)
-    end
-    if im.button("+ ") then
-      tile = tile + 1
-    end
-    im.layout()
-
-    im.image(TILE_TEX, get_tileset_quad(tile))
-  im.end_window()
 end
 
 function new_player(x, y)
diff --git a/src/objs/room_editor.lua b/src/objs/room_editor.lua
new file mode 100644
index 0000000..baee368
--- /dev/null
+++ b/src/objs/room_editor.lua
@@ -0,0 +1,71 @@
+register_input("Next_Tileset", {{"key", "t"}})
+register_input("Prev_Tileset", {{"key", "r"}})
+
+register_comp("Room_Editor", function(ent)
+  ent.room_editor = {
+    tile = 1,
+  }
+end)
+
+function tile_place_sys(ent)
+  local room_editor = ent.room_editor
+
+  if not im.has_focus() then
+    if is_input_pressed("Right_Click") then
+      local scn = get_current_scene()
+      assert(scn, "no scene set.")
+
+      local mx, my = get_mouse_pos()
+      local tx, ty = to_tile_coords(mx, my)
+      set_tile(scn.tilemap, tx, ty, room_editor.tile)
+    end
+    if is_input_pressed("Left_Click") then
+      local scn = get_current_scene()
+      assert(scn, "no scene set.")
+
+      local mx, my = get_mouse_pos()
+      local tx, ty = to_tile_coords(mx, my)
+      remove_tile(scn.tilemap, tx, ty)
+    end
+  end
+
+  if is_input_just_pressed("Next_Tileset") then
+    room_editor.tile = math.min(room_editor.tile + 1, get_tileset_count())
+  end
+  if is_input_just_pressed("Prev_Tileset") then
+    room_editor.tile = math.max(room_editor.tile - 1, 1)
+  end
+end
+
+function room_editor_ui_sys(ent)
+  local room_editor = ent.room_editor
+  im.begin_window("Room Editor", 120, 5, 180, 320, {})
+    -- im.layout({0.5, 0.75, 1})
+    im.text("Tile: " .. tostring(room_editor.tile))
+    -- if im.button(" - ") then
+    --   tile = math.max(tile - 1, 1)
+    -- end
+    -- if im.button("+ ") then
+    --   tile = tile + 1
+    -- end
+    im.layout({0.1, 0.6, 1})
+
+    for tileset_id=1, get_tileset_count() do
+      local text = " "
+      if tileset_id == room_editor.tile then
+        text = "*"
+      elseif tileset_id == room_editor.tile - 1 then
+        text = "r"
+      elseif tileset_id == room_editor.tile + 1 then
+        text = "t"
+      end
+      im.text(text)
+      if im.button("select") then
+        room_editor.tile = tileset_id
+      end
+      im.image(TILE_TEX, get_tileset_quad(tileset_id))
+    end
+
+    im.layout()
+  im.end_window()
+end
diff --git a/src/objs/tilemap.lua b/src/objs/tilemap.lua
index f1cdd15..cb29a40 100644
--- a/src/objs/tilemap.lua
+++ b/src/objs/tilemap.lua
@@ -159,3 +159,7 @@ function get_tileset_quad(tileset)
     TILE_TEX:getDimensions()
   )
 end
+
+function get_tileset_count()
+  return TILE_TEX:getHeight() / (4 * TILESIZE)
+end