From 85d5f6206cfc4746b860112627e44d6dd96fa89c Mon Sep 17 00:00:00 2001
From: chardub <pkmninfinitefusion@gmail.com>
Date: Sat, 26 Apr 2025 21:35:28 -0400
Subject: [PATCH] custom autotile replacements

---
 .../Graphics/Tilemaps/PIF_TilemapRenderer.rb  | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Data/Scripts/998_InfiniteFusion/Graphics/Tilemaps/PIF_TilemapRenderer.rb

diff --git a/Data/Scripts/998_InfiniteFusion/Graphics/Tilemaps/PIF_TilemapRenderer.rb b/Data/Scripts/998_InfiniteFusion/Graphics/Tilemaps/PIF_TilemapRenderer.rb
new file mode 100644
index 000000000..deb81b550
--- /dev/null
+++ b/Data/Scripts/998_InfiniteFusion/Graphics/Tilemaps/PIF_TilemapRenderer.rb
@@ -0,0 +1,98 @@
+class TilemapRenderer
+  alias original_tilemapRenderer_initialize initialize
+  def initialize(viewport)
+    original_tilemapRenderer_initialize(viewport)
+    @custom_autotile_ids = {} # key: tile_id, value: filename
+  end
+
+
+  #   Examples:
+  #    1 => [["Sand shore"], ["Flowers2"]],
+  #    2 => [[], ["Flowers2", "Waterfall", "Waterfall crest", "Waterfall bottom"]],
+  #    6 => [["Water rock", "Sea deep"], []]
+  EXTRA_AUTOTILES = {
+    1 => {  #route-field
+            996 => "flowers_orange[10]",
+            991 => "flowers_pink[10]",
+            999 => "flowers_yellow[10]",
+            1007 => "flowers_blue[10]",
+            1015 => "flowers_purple[10]",
+            1023 => "flowers_red[10]",
+            1031 => "flowers_grey[10]",
+            1039 => "flowers_white[10]",
+    },
+    2 => {  #small-town
+            996 => "flowers_orange[10]",
+            991 => "flowers_pink[10]",
+            999 => "flowers_yellow[10]",
+            1007 => "flowers_blue[10]",
+            1015 => "flowers_purple[10]",
+            1023 => "flowers_red[10]",
+            1031 => "flowers_grey[10]",
+            1039 => "flowers_white[10]",
+    }
+  }
+
+  def add_extra_autotiles(tileset_id)
+    overrides = EXTRA_AUTOTILES[tileset_id]
+    return unless overrides
+    overrides.each do |tile_id, filename|
+      @autotiles.add(filename)
+      @custom_autotile_ids[tile_id] = filename
+    end
+  end
+
+  def remove_extra_autotiles(tileset_id)
+    return if !EXTRA_AUTOTILES[tileset_id]
+    EXTRA_AUTOTILES[tileset_id].each do |arr|
+      arr.each { |filename| remove_autotile(filename) }
+    end
+  end
+
+
+  def refresh_tile_bitmap(tile, map, tile_id)
+    tile.tile_id = tile_id
+    if tile_id < TILES_PER_AUTOTILE
+      tile.set_bitmap("", tile_id, false, false, 0, nil)
+      tile.shows_reflection = false
+      tile.bridge = false
+    else
+      terrain_tag = map.terrain_tags[tile_id] || 0
+      terrain_tag_data = GameData::TerrainTag.try_get(terrain_tag)
+      priority = map.priorities[tile_id] || 0
+      single_autotile_start_id = TILESET_START_ID
+      true_tileset_start_id = TILESET_START_ID
+
+      filename = nil
+      extra_autotile_hash = EXTRA_AUTOTILES[map.tileset_id]
+
+      if extra_autotile_hash && extra_autotile_hash[tile_id]
+        # Custom tile_id override
+        filename = extra_autotile_hash[tile_id]
+        tile.set_bitmap(filename, tile_id, true, @autotiles.animated?(filename),
+                        priority, @autotiles[filename])
+      elsif tile_id < true_tileset_start_id
+        # Default behavior
+        if tile_id < TILESET_START_ID # Real autotiles
+          filename = map.autotile_names[(tile_id / TILES_PER_AUTOTILE) - 1]
+        elsif tile_id < single_autotile_start_id # Large extra autotiles
+          filename = extra_autotile_arrays[0][(tile_id - TILESET_START_ID) / TILES_PER_AUTOTILE]
+        else
+          # Single extra autotiles
+          filename = extra_autotile_arrays[1][tile_id - single_autotile_start_id]
+        end
+        tile.set_bitmap(filename, tile_id, true, @autotiles.animated?(filename),
+                        priority, @autotiles[filename])
+      else
+        filename = map.tileset_name
+        tile.set_bitmap(filename, tile_id, false, false, priority, @tilesets[filename])
+      end
+
+      tile.shows_reflection = terrain_tag_data&.shows_reflections
+      tile.bridge = terrain_tag_data&.bridge
+    end
+    refresh_tile_src_rect(tile, tile_id)
+  end
+
+end
+