mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-07 20:21:24 -06:00
705c898ccd
* Updating all assets to new coding style * Cleaning up asset files * Moving default_actions and default_keybindings files * Changing procedural globes to explicitly specified globes * Move Spice loading explicitly to the initialize part and also deinitialize * Removing unused asset files * Removing asset_helper * Removing scale_model_helper asset * Removing script_scheduler_helper * Removing testing_keybindings * Remove procedural_globe
62 lines
1.9 KiB
Lua
62 lines
1.9 KiB
Lua
-- Contains the required functions to create a simple Lua state machine, that can step
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-- forwards and backwards through a list of states.
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--
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-- A state is given as a table with a Title string, and two functions: Play and Rewind
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-- (see example asset)
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local function goToNextStateFunction(machine)
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if (machine.currentStateIndex >= #machine.states) then
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machine.currentStateIndex = #machine.states
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return
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end
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if (machine.currentStateIndex == 0) then
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openspace.printInfo("Starting state machine with " ..
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machine.states[machine.currentStateIndex + 1].Title)
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elseif (machine.currentStateIndex == #machine.states) then
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openspace.printInfo("Proceed from " ..
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machine.states[machine.currentStateIndex].Title
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)
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else
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openspace.printInfo("Proceed from " ..
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machine.states[machine.currentStateIndex].Title .. " to " ..
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machine.states[machine.currentStateIndex + 1].Title
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)
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end
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machine.currentStateIndex = machine.currentStateIndex + 1
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machine.states[machine.currentStateIndex].Play()
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end
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local function goToPreviousStateFunction(machine)
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if (machine.currentStateIndex < 1) then
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machine.currentStateIndex = 0
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return
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end
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if (machine.currentStateIndex == 1) then
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openspace.printInfo("Rewind from " .. machine.states[machine.currentStateIndex].Title)
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else
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openspace.printInfo("Rewind from " ..
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machine.states[machine.currentStateIndex].Title .. " to " ..
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machine.states[machine.currentStateIndex - 1].Title
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)
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end
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machine.states[machine.currentStateIndex].Rewind()
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machine.currentStateIndex = machine.currentStateIndex - 1
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end
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local function createStateMachine(states)
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local machine = {
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states = states,
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currentStateIndex = 0
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}
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machine.goToNextState = function() goToNextStateFunction(machine) end
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machine.goToPreviousState = function() goToPreviousStateFunction(machine) end
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return machine
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end
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asset.export("createStateMachine", createStateMachine)
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