1 files changed, 175 insertions, 0 deletions

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+extends CanvasLayer
+
+var player
+var drawer
+var sprite
+var label
+
+var cell_left
+var cell_top
+var cell_right
+var cell_bottom
+var cell_width
+var cell_height
+var center_x_min
+var center_x_max
+var center_y_min
+var center_y_max
+
+
+func _ready():
+        player = get_tree().get_root().get_node("scene/player")
+
+        var svc = PanelContainer.new()
+        svc.anchor_left = 1.0
+        svc.anchor_top = 1.0
+        svc.anchor_right = 1.0
+        svc.anchor_bottom = 1.0
+        svc.offset_left = -320.0
+        svc.offset_top = -320.0
+        svc.offset_right = -64.0
+        svc.offset_bottom = -64.0
+        svc.clip_contents = true
+        add_child(svc)
+
+        var background_color = Color.WHITE
+
+        var world_env = get_tree().get_root().get_node("scene/WorldEnvironment")
+        if world_env != null and world_env.environment != null:
+                if world_env.environment.background_mode == Environment.BG_COLOR:
+                        background_color = world_env.environment.background_color
+                elif (
+                        world_env.environment.background_mode == Environment.BG_SKY
+                        and world_env.environment.sky != null
+                        and world_env.environment.sky.sky_material != null
+                ):
+                        var sky = world_env.environment.sky.sky_material
+                        if sky is PhysicalSkyMaterial:
+                                background_color = sky.ground_color
+                        elif sky is ProceduralSkyMaterial:
+                                background_color = sky.sky_top_color
+
+        var stylebox = StyleBoxFlat.new()
+        stylebox.bg_color = Color(background_color, 0.6)
+        svc.add_theme_stylebox_override("panel", stylebox)
+
+        drawer = Node2D.new()
+        svc.add_child(drawer)
+
+        var gridmap = get_tree().get_root().get_node("scene/GridMap")
+        if gridmap == null:
+                visible = false
+                return
+
+        cell_left = 0
+        cell_top = 0
+        cell_right = 0
+        cell_bottom = 0
+
+        for pos in gridmap.get_used_cells():
+                if pos.x < cell_left:
+                        cell_left = pos.x
+                if pos.x > cell_right:
+                        cell_right = pos.x
+                if pos.z < cell_top:
+                        cell_top = pos.z
+                if pos.z > cell_bottom:
+                        cell_bottom = pos.z
+
+        cell_width = cell_right - cell_left + 1
+        cell_height = cell_bottom - cell_top + 1
+
+        var rendered = _renderMap(gridmap)
+
+        var image_texture = ImageTexture.create_from_image(rendered)
+        sprite = Sprite2D.new()
+        sprite.texture = image_texture
+        sprite.texture_filter = CanvasItem.TEXTURE_FILTER_NEAREST
+        sprite.scale = Vector2(2, 2)
+        sprite.centered = false
+        drawer.add_child(sprite)
+
+        label = Label.new()
+        label.theme = preload("res://assets/themes/baseUI.tres")
+        label.add_theme_font_size_override("font_size", 32)
+        label.text = "@"
+        drawer.add_child(label)
+
+        #var local_tl = gridmap.map_to_local(Vector3i(cell_left, 0, cell_top))
+        #var global_tl = gridmap.to_global(local_tl)
+        #var local_br = gridmap.map_to_local(Vector3i(cell_right, 0, cell_bottom))
+        #var global_br = gridmap.to_global(local_br)
+
+        center_x_min = 0
+        center_x_max = cell_width - 128
+        center_y_min = 0
+        center_y_max = cell_height - 128
+
+        if center_x_max < center_x_min:
+                center_x_min = (center_x_min + center_x_max) / 2
+                center_x_max = center_x_min
+
+        if center_y_max < center_y_min:
+                center_y_min = (center_y_min + center_y_max) / 2
+                center_y_max = center_y_min
+
+
+func _process(_delta):
+        if visible == false:
+                return
+
+        drawer.position.x = clamp(player.position.x - cell_left - 64, center_x_min, center_x_max) * -2
+        drawer.position.y = clamp(player.position.z - cell_top - 64, center_y_min, center_y_max) * -2
+
+        label.position.x = (player.position.x - cell_left) * 2 - 16
+        label.position.y = (player.position.z - cell_top) * 2 - 16
+
+
+func _renderMap(gridmap):
+        var heights = {}
+
+        var rendered = Image.create_empty(cell_width, cell_height, false, Image.FORMAT_RGBA8)
+        rendered.fill(Color.TRANSPARENT)
+
+        var meshes_node = get_tree().get_root().get_node("scene/Meshes")
+        if meshes_node != null:
+                _renderMeshNode(gridmap, meshes_node, rendered)
+
+        for pos in gridmap.get_used_cells():
+                var in_plane = Vector2i(pos.x, pos.z)
+
+                if in_plane in heights and heights[in_plane] > pos.y:
+                        continue
+
+                heights[in_plane] = pos.y
+
+                var cell_item = gridmap.get_cell_item(pos)
+                var mesh = gridmap.mesh_library.get_item_mesh(cell_item)
+                var material = mesh.surface_get_material(0)
+                var color = material.albedo_color
+
+                rendered.set_pixel(pos.x - cell_left, pos.z - cell_top, color)
+
+        return rendered
+
+
+func _renderMeshNode(gridmap, mesh, rendered):
+        if mesh is MeshInstance3D:
+                var local_tl = gridmap.map_to_local(Vector3i(cell_left, 0, cell_top))
+                var global_tl = gridmap.to_global(local_tl)
+                var mesh_material = mesh.get_surface_override_material(0)
+                if mesh_material != null:
+                        var mesh_color = mesh_material.albedo_color
+
+                        for y in range(
+                                max(mesh.position.z - mesh.scale.z / 2 - global_tl.z, 0),
+                                min(mesh.position.z + mesh.scale.z / 2 - global_tl.z, cell_height)
+                        ):
+                                for x in range(
+                                        max(mesh.position.x - mesh.scale.x / 2 - global_tl.x, 0),
+                                        min(mesh.position.x + mesh.scale.x / 2 - global_tl.x, cell_width)
+                                ):
+                                        rendered.set_pixel(x, y, mesh_color)
+
+        for child in mesh.get_children():
+                _renderMeshNode(gridmap, child, rendered)