gamnit: make `BMFontChar` more permissive to accept artificial fonts

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/bmfont.nit b/lib/gamnit/bmfont.nit
index ac46bcd..afdbf04 100644 (file)
--- a/lib/gamnit/bmfont.nit
+++ b/lib/gamnit/bmfont.nit
@@ -139,13 +139,16 @@ class BMFontChar
        var xadvance: Float
 
        # Full texture contaning this character and others
-       var page: TextureAsset
+       var page: RootTexture
 
        # TODO Channel where the image is found
        #var chnl: Int
 
        # Subtexture with this character image only
-       var subtexture: Texture = page.subtexture(x, y, width, height) is lazy
+       var subtexture: Texture = page.subtexture(x, y, width, height) is lazy, writable
+
+       # Scale to apply to this char only
+       var scale = 1.0 is writable
 end
 
 redef class Text
@@ -184,7 +187,7 @@ redef class Text
        # assert fnt.to_s == "<BMFont arial at 72.0 pt, 1 pages, 3 chars>"
        # assert fnt.line_height == 80.0
        # assert fnt.kernings['A', 'C'] == -1.0
-       # assert fnt.chars['A'].page.path == "dir_in_assets/arial.png"
+       # assert fnt.chars['A'].page.as(TextureAsset).path == "dir_in_assets/arial.png"
        # ~~~
        fun parse_bmfont(dir: String): MaybeError[BMFont, Error]
        do
@@ -461,7 +464,7 @@ class BMFontAsset
                        var y = dy - (char_info.height/2.0 + char_info.yoffset) * scale
                        var pos = text_sprites.anchor.offset(x, y, 0.0)
                        var s = new Sprite(char_info.subtexture, pos)
-                       s.scale = scale
+                       s.scale = scale * char_info.scale
                        text_sprites.sprites.add s
                        line_sprites.add s