61 lines
1.9 KiB
GDScript
61 lines
1.9 KiB
GDScript
extends Control
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const hex2font_shader := preload('res://shaders/hex2font.gdshader')
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var hexbox: TextureRect
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var hexbox_rows: int
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var hexbox_cols: int
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func make_hexview(data: PoolByteArray, width: int = 256):
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var hex2font_mat := ShaderMaterial.new()
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hex2font_mat.shader = hex2font_shader
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hex2font_mat.set_shader_param('glyph_atlas', SpriteLoader.font_atlas_texture)
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var hex_img := Image.new()
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var l := len(RomLoader.snes_bytes)
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self.hexbox_cols = width
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self.hexbox_rows = l / self.hexbox_cols
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var remainder = l % self.hexbox_cols
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if remainder:
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self.hexbox_rows += 1
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var padding = PoolByteArray()
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padding.resize(self.hexbox_cols - remainder)
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padding.fill(0)
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data = data + padding
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hex2font_mat.set_shader_param('tilemap_size', Vector2(self.hexbox_cols, self.hexbox_rows))
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hex_img.create_from_data(self.hexbox_cols, self.hexbox_rows, false, Image.FORMAT_L8, data)
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hexbox = TextureRect.new()
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hexbox.texture = SpriteLoader.texture_from_image(hex_img)
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hexbox.material = hex2font_mat
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hexbox.rect_scale *= 4
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add_child(hexbox)
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func _ready() -> void:
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ProjectSettings.set_setting('display/window/size/snap_to_integer', false)
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make_hexview(RomLoader.snes_bytes, 480)
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var fontbox := TextureRect.new()
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fontbox.texture = SpriteLoader.font_atlas_texture
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add_child(fontbox)
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func scroll_hexview(rows: int):
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var current_row: int = (-hexbox.rect_position.y)/4
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var next_row = current_row + rows
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if next_row > (hexbox_rows - 270):
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next_row = hexbox_rows - 270
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if next_row < 0:
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next_row = 0
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hexbox.rect_position.y = -next_row * 4
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func _input(event: InputEvent) -> void:
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if event is InputEventMouseButton:
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match event.button_index:
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BUTTON_WHEEL_DOWN:
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scroll_hexview(16)
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BUTTON_WHEEL_UP:
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scroll_hexview(-16)
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elif event is InputEventMouseMotion:
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var row: int = (event.position.y - hexbox.rect_position.y) / 4
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var col: int = event.position.x / 4
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var address: int = col + (row * 480)
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hexbox.set_tooltip('0x%06X' % address)
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