material-maker/addons/material_maker/engine/gen_texture.gd
Hugo Locurcio 93c84650cd
Add return type hints to all scripts
This also simplifies some functions.

This partially addresses #30.
2019-10-20 16:35:45 +02:00

25 lines
761 B
GDScript

tool
extends MMGenBase
class_name MMGenTexture
"""
Base class for texture generators that provide a texture as output
"""
var texture : ImageTexture = ImageTexture.new()
func get_output_defs() -> Array:
return [ { rgba="" } ]
func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
var genname = "o"+str(get_instance_id())
var rv = { globals=[], defs="", code="" }
var texture_name = genname+"_tex"
var variant_index = context.get_variant(self, uv)
if variant_index == -1:
variant_index = context.get_variant(self, uv)
rv.code = "vec4 %s_%d = texture(%s, %s);\n" % [ genname, variant_index, texture_name, uv ]
rv.rgba = "%s_%d" % [ genname, variant_index ]
rv.textures = { texture_name:texture }
return rv