Files
lace/3-mid/opengl/source/lean/model/opengl-model-billboard-textured.ads
2023-05-31 15:22:25 +10:00

83 lines
2.6 KiB
Ada

with
openGL.Geometry,
openGL.Texture;
package openGL.Model.billboard.textured
--
-- Models a textured billboard.
--
is
type Item (Lucid : Boolean) is new Model.billboard.item with private;
type View is access all Item'Class;
type Image_view is access Image;
type lucid_Image_view is access lucid_Image;
---------
--- Forge
--
package Forge
is
function new_Billboard (Size : in Size_t := default_Size;
Plane : in billboard.Plane;
Texture : in asset_Name;
Lucid : in Boolean := False) return View;
end Forge;
--------------
--- Attributes
--
overriding
function to_GL_Geometries (Self : access Item; Textures : access Texture.name_Map_of_texture'Class;
Fonts : in Font.font_id_Map_of_font) return Geometry.views;
procedure Texture_is (Self : in out Item; Now : in Texture.Object);
function Texture (Self : in Item) return Texture.Object;
procedure Texture_Coords_are (Self : in out Item; Now : in Coordinates);
procedure Size_is (Self : in out Item; Now : in Size_t);
procedure Image_is (Self : in out Item; Now : in Image);
procedure Image_is (Self : in out Item; Now : in lucid_Image);
------------
-- Texturing
--
overriding
function Fade (Self : in Item; Which : in texture_Set.texture_Id) return texture_Set.fade_Level;
overriding
procedure Fade_is (Self : in out Item; Which : in texture_Set.texture_Id;
Now : in texture_Set.fade_Level);
procedure Texture_is (Self : in out Item; Which : in texture_Set.texture_Id;
Now : in asset_Name);
overriding
function texture_Count (Self : in Item) return Natural;
private
type Item (Lucid : Boolean) is new Model.billboard.item with
record
texture_Name : asset_Name := null_Asset;
Texture : openGL.Texture.Object := openGL.Texture.null_Object; -- The texture to be applied to the billboard face.
texture_Coords : Coordinates := [(0.0, 0.0), (1.0, 0.0), (1.0, 1.0), (0.0, 1.0)]; -- TODO: Should be constant/static ?
case Lucid is
when True => lucid_Image : lucid_Image_view;
when False => Image : Image_view;
end case;
end record;
end openGL.Model.billboard.textured;