first commit

addons/zylann.hterrain/tools/generator/texture_generator_pass.gd

@@ -0,0 +1,43 @@
+
+# Name of the pass, for debug purposes
+var debug_name := ""
+# The viewport will be cleared at this pass
+var clear := false
+# Which main texture should be drawn.
+# If not set, a default texture will be drawn.
+# Note that it won't matter if the shader disregards it,
+# and will only serve to provide UVs, due to https://github.com/godotengine/godot/issues/7298.
+var texture : Texture = null
+# Which shader to use
+var shader : Shader = null
+# Parameters for the shader
+# TODO Use explicit Dictionary, dont allow null
+var params = null
+# How many pixels to pad the viewport on all edges, in case neighboring matters.
+# Outputs won't have that padding, but can pick part of it in case output padding is used.
+var padding := 0
+# How many times this pass must be run
+var iterations := 1
+# If not empty, the viewport will be downloaded as an image before the next pass
+var output := false
+# Sent along the output
+var metadata = null
+# Used for tiled rendering, where each tile has the base resolution,
+# in case the viewport cannot be made big enough to cover the final image,
+# of if you are generating a pseudo-infinite terrain.
+# TODO Have an API for this?
+var tile_pos := Vector2()
+
+func duplicate():
+	var p = get_script().new()
+	p.debug_name = debug_name
+	p.clear = clear
+	p.texture = texture
+	p.shader = shader
+	p.params = params
+	p.padding = padding
+	p.iterations = iterations
+	p.output = output
+	p.metadata = metadata
+	p.tile_pos = tile_pos
+	return p