61 lines
1.8 KiB
Lua
61 lines
1.8 KiB
Lua
-- Standard components OOP wrappers (__index tables of metatables)
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local Transform = {__index={
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get_pos=function(self) return __transform.get_pos(self.eid) end,
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set_pos=function(self, v) return __transform.set_pos(self.eid, v) end,
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get_rot=function(self) return __transform.get_rot(self.eid) end,
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set_rot=function(self, m) return __transform.set_rot(self.eid, m) end,
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}}
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function new_Transform(eid)
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return setmetatable({eid=eid}, Transform)
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end
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local Rigidbody = {__index={
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is_enabled=function(self) return __rigidbody.is_enabled(self.eid) end,
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set_enabled=function(self, f) return __rigidbody.set_enabled(self.eid, f) end,
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get_vel=function(self) return __rigidbody.get_vel(self.eid) end,
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set_vel=function(self, v) return __rigidbody.set_vel(self.eid, v) end,
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get_size=function(self) return __rigidbody.get_size(self.eid) end,
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}}
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function new_Rigidbody(eid)
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return setmetatable({eid=eid}, Rigidbody)
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end
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-- Entity class
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local Entity = {__index={
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despawn=function(self) return entity.despawn(self.eid) end,
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}}
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local entities = {}
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return {
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new_Entity = function(eid)
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local entity = setmetatable({eid=eid}, Entity)
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entity.transform = new_Transform(eid)
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entity.rigidbody = new_Rigidbody(eid)
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entities[eid] = entity;
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return entity
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end,
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remove_Entity = function(eid)
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local entity = entities[eid]
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if entity then
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entity.env = nil
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entities[eid] = nil;
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end
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end,
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update = function()
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for id,entity in pairs(entities) do
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local callback = entity.env.on_update
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if callback then
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local result, err = pcall(callback)
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if err then
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print(err)
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end
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end
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end
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end
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}
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