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29c9908e09
* Adds icon state configuration to GAS (#58487) Relatively simple change that allows you to specify icon states in greyscale config so as to allow generating icon files with multiple states. This is a requisite for GAS to work with icon smoothing. Also a couple bits of additional warnings and documentation. * Adds icon state configuration to GAS Co-authored-by: Emmett Gaines <ninjanomnom@gmail.com>
73 lines
2.6 KiB
Plaintext
73 lines
2.6 KiB
Plaintext
/datum/greyscale_layer
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var/layer_type
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var/list/color_ids
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var/blend_mode
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var/static/list/blend_modes = list(
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"add" = ICON_ADD,
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"subtract" = ICON_SUBTRACT,
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"multiply" = ICON_MULTIPLY,
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"or" = ICON_OR,
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"overlay" = ICON_OVERLAY,
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"underlay" = ICON_UNDERLAY,
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)
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/datum/greyscale_layer/New(icon_file, list/json_data)
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color_ids = json_data["color_ids"]
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for(var/i in color_ids)
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if(!isnum(i))
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CRASH("Color ids must be a positive integer starting from 1, '[i]' is not valid. Make sure it is not quoted in the json configuration.")
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blend_mode = blend_modes[lowertext(json_data["blend_mode"])]
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if(isnull(blend_mode))
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CRASH("Greyscale config for [icon_file] is missing a blend mode on a layer.")
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/// Used to actualy create the layer using the given colors
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/// Do not override, use InternalGenerate instead
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/datum/greyscale_layer/proc/Generate(list/colors, list/render_steps)
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var/list/processed_colors = list()
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for(var/i in color_ids)
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processed_colors += colors[i]
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return InternalGenerate(processed_colors, render_steps)
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/datum/greyscale_layer/proc/InternalGenerate(list/colors, list/render_steps)
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////////////////////////////////////////////////////////
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// Subtypes
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/// The most basic greyscale layer; a layer which is created from a single icon_state in the given icon file
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/datum/greyscale_layer/icon_state
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layer_type = "icon_state"
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var/icon/icon
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var/color_id
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/datum/greyscale_layer/icon_state/New(icon_file, list/json_data)
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. = ..()
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var/icon_state = json_data["icon_state"]
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if(!(icon_state in icon_states(icon_file)))
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CRASH("Configured icon state \[[icon_state]\] was not found in [icon_file]. Double check your json configuration.")
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icon = new(icon_file, json_data["icon_state"])
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if(length(color_ids) > 1)
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CRASH("Icon state layers can not have more than one color id")
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/datum/greyscale_layer/icon_state/InternalGenerate(list/colors, list/render_steps)
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. = ..()
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var/icon/new_icon = icon(icon)
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if(length(colors))
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new_icon.Blend(colors[1], ICON_MULTIPLY)
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return new_icon
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/// A layer created by using another greyscale icon's configuration
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/datum/greyscale_layer/reference
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layer_type = "reference"
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var/datum/greyscale_config/reference_config
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/datum/greyscale_layer/reference/New(icon_file, list/json_data)
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. = ..()
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reference_config = SSgreyscale.configurations[json_data["reference_type"]]
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if(!reference_config)
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CRASH("An unknown greyscale configuration was given to a reference layer: [json_data["reference_type"]]")
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/datum/greyscale_layer/reference/InternalGenerate(list/colors, list/render_steps)
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return reference_config.Generate(colors.Join(), render_steps)
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