118 lines
3.1 KiB
Ada
118 lines
3.1 KiB
Ada
package body openGL.texture_Set
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is
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-------------
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--- Animation
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--
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function to_Frames (From : in texture_Set.texture_Ids) return Frames
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is
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Result : Frames (1 .. From'Length);
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begin
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for i in From'Range
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loop
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Result (i).texture_Id := From (i);
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end loop;
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return Result;
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end to_Frames;
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procedure animate (Self : in out Item)
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is
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use ada.Calendar;
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Now : constant ada.Calendar.Time := Clock;
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begin
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if Now >= Self.Animation.next_frame_Time
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then
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declare
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next_frame_Id : constant frame_Id := (if Self.Animation.Current < Self.Animation.frame_Count then Self.Animation.Current + 1
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else 1);
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old_Frame : Frame renames Self.Animation.Frames (Self.Animation.Current);
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new_Frame : Frame renames Self.Animation.Frames (next_frame_Id);
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begin
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Self.Details (detail_Count (old_Frame.texture_Id)).texture_Apply := False;
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Self.Details (detail_Count (new_Frame.texture_Id)).texture_Apply := True;
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Self.Animation.Current := next_frame_Id;
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Self.Animation.next_frame_Time := Now + Self.Animation.frame_Duration;
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end;
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end if;
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end animate;
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---------
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--- Forge
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--
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function to_Set (texture_Assets : in asset_Names;
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texture_Tilings : in Tilings := [others => (S => 1.0,
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T => 1.0)];
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Animation : in Animation_view := null) return Item
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is
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Result : Item (Count => texture_Assets'Length);
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begin
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for i in 1 .. Result.Count
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loop
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Result.Details (i).Object := texture.null_Object;
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Result.Details (i).Texture := texture_Assets (Integer (i));
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Result.Details (i).Fade := 0.0;
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Result.Details (i).texture_Tiling := texture_Tilings (texture_Id (i));
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if i = 1
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then
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Result.Details (i).texture_Apply := True;
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else
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Result.Details (i).texture_Apply := False;
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end if;
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end loop;
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Result.Animation := Animation;
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return Result;
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end to_Set;
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-----------
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--- Streams
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--
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procedure write (Stream : not null access Ada.Streams.Root_Stream_Type'Class;
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Item : in Animation_view)
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is
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begin
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if Item = null
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then
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Boolean'write (Stream, False);
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else
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Boolean'write (Stream, True);
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Animation'output (Stream, Item.all);
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end if;
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end write;
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procedure read (Stream : not null access Ada.Streams.Root_Stream_Type'Class;
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Item : out Animation_view)
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is
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Item_not_null : Boolean;
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begin
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Boolean'read (Stream, Item_not_null);
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if Item_not_null
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then
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Item := new Animation' (Animation'Input (Stream));
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else
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Item := null;
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end if;
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end read;
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end openGL.texture_Set;
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