From 1e5892ed5dc86a848c495e343023a3baefb87f18 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Alexis=20Laferri=C3=A8re?= <alexis.laf@xymus.net>
Date: Sun, 19 Apr 2015 12:38:16 -0400
Subject: [PATCH] contrib/inkscape_tools: add alternative code generation for
 gamnit target
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Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---
 contrib/inkscape_tools/src/svg_to_png_and_nit.nit |   89 ++++++++++++++++++++-
 1 file changed, 87 insertions(+), 2 deletions(-)

diff --git a/contrib/inkscape_tools/src/svg_to_png_and_nit.nit b/contrib/inkscape_tools/src/svg_to_png_and_nit.nit
index 6b2d70f..80ba5c4 100644
--- a/contrib/inkscape_tools/src/svg_to_png_and_nit.nit
+++ b/contrib/inkscape_tools/src/svg_to_png_and_nit.nit
@@ -157,6 +157,85 @@ end
 	end
 end
 
+# Nit module targeting the Gamnit framework
+#
+# Gamnit's `Texture` already manage the lazy loading, no need to do it here.
+class GamnitImageSetSrc
+	super ImageSetSrc
+
+	private fun attributes: Array[String]
+	do
+		# Separate the images from the arrays of images
+		var single_images = new Array[Image]
+		var arrays_of_images = new HashMap[String, Array[Image]]
+
+		for image in images do
+			var nit_name = image.name
+			var last_char = nit_name.chars.last
+			if last_char.to_s.is_numeric then
+
+				# Is an array
+				nit_name = nit_name.substring(0, nit_name.length-1)
+				if not arrays_of_images.keys.has(nit_name) then
+					# Create a new array
+					var array = new Array[Image]
+					arrays_of_images[nit_name] = array
+				end
+
+				arrays_of_images[nit_name].add image
+			else
+				# Is a single image
+				single_images.add image
+			end
+		end
+
+		# Attributes of the class
+		var attributes = new Array[String]
+		attributes.add "\tprivate var main_image = new Texture(\"images/{document.drawing_name}.png\")\n"
+
+		# Add single images to Nit source file
+		for image in single_images do
+			# Adapt coordinates to new top left and scale
+			var coordinates = document.coordinates(image)
+
+			attributes.add "\tvar {image.name}: Texture = main_image.subtexture({coordinates})\n"
+		end
+
+		# Add array of images too
+		for name, images in arrays_of_images do
+
+			var lines = new Array[String]
+			for image in images do
+				var coordinates = document.coordinates(image)
+				lines.add "\t\tmain_image.subtexture({coordinates})"
+			end
+
+			attributes.add """
+	var {{{name}}} = new Array[Texture].with_items(
+{{{lines.join(",\n")}}})
+"""
+		end
+
+		return attributes
+	end
+
+	redef fun rendering
+	do
+		add """
+# File generated by svg_to_png_and_nit, do not modify, redef instead
+
+import gamnit::display
+
+class {{{document.nit_class_name}}}
+
+"""
+		add_all attributes
+		add """
+end
+"""
+	end
+end
+
 redef class Int
 	# Magic adaption of this coordinates to the given `margin` and `scale`
 	fun adapt(margin: Int, scale: Float): Int
@@ -177,10 +256,11 @@ end
 var opt_out_src = new OptionString("Path to output source file (folder or file)", "--src", "-s")
 var opt_assets = new OptionString("Path to assert dir where to put PNG files", "--assets", "-a")
 var opt_scale = new OptionFloat("Apply scaling to exported images (default at 1.0 of 90dpi)", 1.0, "--scale", "-x")
+var opt_gamnit = new OptionBool("Target the Gamnit framework (by default it targets Mnit)", "--gamnit", "-g")
 var opt_help = new OptionBool("Print this help message", "--help", "-h")
 
 var opt_context = new OptionContext
-opt_context.add_option(opt_out_src, opt_assets, opt_scale, opt_help)
+opt_context.add_option(opt_out_src, opt_assets, opt_scale, opt_gamnit, opt_help)
 
 opt_context.parse(args)
 var rest = opt_context.rest
@@ -298,7 +378,12 @@ for drawing in drawings do
 	var document = new Document(drawing_name, scale, min_x, max_x, min_y, max_y)
 
 	# Nit class
-	var nit_src = new MnitImageSetSrc(document, images)
+	var nit_src: ImageSetSrc
+	if opt_gamnit.value then
+		nit_src = new GamnitImageSetSrc(document, images)
+	else
+		nit_src = new MnitImageSetSrc(document, images)
+	end
 
 	if not src_path.file_extension == "nit" then
 		src_path = src_path/drawing_name+".nit"
-- 
1.7.9.5