Entity State Container

moonpie/entities/actions.lua

@@ -1,30 +1,30 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-local Actions = {}
-Actions.types = {
-  ADD = "ENTITIES_ADD",
-  REMOVE = "ENTITIES_REMOVE"
-}
-
-function Actions.add(entity)
-  return {
-    type = Actions.types.ADD,
-    payload = {
-      entity = entity
-    }
-  }
-end
-
-function Actions.remove(entity)
-  return {
-    type = Actions.types.REMOVE,
-    payload = {
-      entity = entity
-    }
-  }
-end
-
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+local Actions = {}
+Actions.types = {
+  ADD = "ENTITIES_ADD",
+  REMOVE = "ENTITIES_REMOVE"
+}
+
+function Actions.add(entity)
+  return {
+    type = Actions.types.ADD,
+    payload = {
+      entity = entity
+    }
+  }
+end
+
+function Actions.remove(entity)
+  return {
+    type = Actions.types.REMOVE,
+    payload = {
+      entity = entity
+    }
+  }
+end
+
 return Actions

moonpie/entities/actions_spec.lua

@@ -1,24 +1,24 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-describe("moonpie.entities.actions", function()
-  local Actions = require "moonpie.entities.actions"
-
-  it("can create an add entity action", function()
-    local entity = {}
-    local action = Actions.add(entity)
-
-    assert.equals("ENTITIES_ADD", action.type)
-    assert.equals(entity, action.payload.entity)
-  end)
-
-  it("can create a remove entity action", function()
-    local entity = {}
-    local action = Actions.remove(entity)
-
-    assert.equals("ENTITIES_REMOVE", action.type)
-    assert.equals(entity, action.payload.entity)
-  end)
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+describe("moonpie.entities.actions", function()
+  local Actions = require "moonpie.entities.actions"
+
+  it("can create an add entity action", function()
+    local entity = {}
+    local action = Actions.add(entity)
+
+    assert.equals("ENTITIES_ADD", action.type)
+    assert.equals(entity, action.payload.entity)
+  end)
+
+  it("can create a remove entity action", function()
+    local entity = {}
+    local action = Actions.remove(entity)
+
+    assert.equals("ENTITIES_REMOVE", action.type)
+    assert.equals(entity, action.payload.entity)
+  end)
 end)

moonpie/entities/entity.lua

@@ -1,18 +1,18 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-local Entity = {}
-
-function Entity.new(...)
-  local e = {}
-
-  for _, v in ipairs{...} do
-    e[v.name] = v.value
-  end
-
-  return e
-end
-
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+local Entity = {}
+
+function Entity.new(...)
+  local e = {}
+
+  for _, v in ipairs{...} do
+    e[v.name] = v.value
+  end
+
+  return e
+end
+
 return Entity

moonpie/entities/entity_spec.lua

@@ -1,25 +1,25 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-describe("moonpie.entities.entity", function()
-  local Entity = require "moonpie.entities.entity"
-  local Property = require "moonpie.entities.property"
-
-  it("can return a new entity", function()
-    local e = Entity.new()
-    assert.is_table(e)
-  end)
-
-  it("can take some properties to define the entity", function()
-    local e = Entity.new(
-      Property("name", "Oskar"),
-      Property("position", { x = 10, y = 39 })
-    )
-
-    assert.equals("Oskar", e.name)
-    assert.equals(10, e.position.x)
-    assert.equals(39, e.position.y)
-  end)
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+describe("moonpie.entities.entity", function()
+  local Entity = require "moonpie.entities.entity"
+  local Property = require "moonpie.entities.property"
+
+  it("can return a new entity", function()
+    local e = Entity.new()
+    assert.is_table(e)
+  end)
+
+  it("can take some properties to define the entity", function()
+    local e = Entity.new(
+      Property("name", "Oskar"),
+      Property("position", { x = 10, y = 39 })
+    )
+
+    assert.equals("Oskar", e.name)
+    assert.equals(10, e.position.x)
+    assert.equals(39, e.position.y)
+  end)
 end)

moonpie/entities/property.lua

@@ -1,11 +1,11 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-return function(name, value)
-  return {
-    name = name,
-    value = value
-  }
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+return function(name, value)
+  return {
+    name = name,
+    value = value
+  }
 end

moonpie/entities/property_spec.lua

@@ -1,13 +1,13 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-describe("moonpie.entities.property", function()
-  local Property = require "moonpie.entities.property"
-
-  it("tracks the name for the property", function()
-    local p = Property("foo")
-    assert.equals("foo", p.name)
-  end)
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+describe("moonpie.entities.property", function()
+  local Property = require "moonpie.entities.property"
+
+  it("tracks the name for the property", function()
+    local p = Property("foo")
+    assert.equals("foo", p.name)
+  end)
 end)

moonpie/entities/reducer.lua

@@ -1,18 +1,18 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-local createSlice = require "moonpie.state.create_slice"
-local Actions = require "moonpie.entities.actions"
-local tables = require "moonpie.tables"
-
-return createSlice({
-  [Actions.types.ADD] = function(state, action)
-    state[#state + 1] = action.payload.entity
-    return state
-  end,
-  [Actions.types.REMOVE] = function(state, action)
-    return tables.removeItem(state, action.payload.entity)
-  end,
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+local createSlice = require "moonpie.state.create_slice"
+local Actions = require "moonpie.entities.actions"
+local tables = require "moonpie.tables"
+
+return createSlice({
+  [Actions.types.ADD] = function(state, action)
+    state[#state + 1] = action.payload.entity
+    return state
+  end,
+  [Actions.types.REMOVE] = function(state, action)
+    return tables.removeItem(state, action.payload.entity)
+  end,
 })

moonpie/entities/reducer_spec.lua

@@ -1,29 +1,29 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-describe("moonpie.entities.reducer", function()
-  local reducer = require "moonpie.entities.reducer"
-
-  it("can process adding entities", function()
-    local e = {}
-    local state = reducer({}, {
-      type = "ENTITIES_ADD",
-      payload = { entity = e }
-    })
-
-    assert.array_includes(e, state)
-  end)
-
-  it("can process removing entities", function()
-    local e = {}
-    local state = { e }
-    state = reducer(state, {
-      type = "ENTITIES_REMOVE",
-      payload = { entity = e }
-    })
-
-    assert.not_array_includes(e, state)
-  end)
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+describe("moonpie.entities.reducer", function()
+  local reducer = require "moonpie.entities.reducer"
+
+  it("can process adding entities", function()
+    local e = {}
+    local state = reducer({}, {
+      type = "ENTITIES_ADD",
+      payload = { entity = e }
+    })
+
+    assert.array_includes(e, state)
+  end)
+
+  it("can process removing entities", function()
+    local e = {}
+    local state = { e }
+    state = reducer(state, {
+      type = "ENTITIES_REMOVE",
+      payload = { entity = e }
+    })
+
+    assert.not_array_includes(e, state)
+  end)
 end)

moonpie/entities/selectors.lua

@@ -1,22 +1,22 @@
--- Copyright (c) 2021 Trevor Redfern
---
--- This software is released under the MIT License.
--- https://opensource.org/licenses/MIT
-
-local tables = require "moonpie.tables"
-local Selectors = {}
-
-function Selectors.getAllWithComponents(state, ...)
-  local entities = state.entities
-
-  local components = tables.pack(...)
-
-  local comparison = function(entity)
-    return tables.all(components, function(c) return entity[c] end)
-  end
-
-  return tables.select(entities, comparison)
-end
-
-
+-- Copyright (c) 2021 Trevor Redfern
+--
+-- This software is released under the MIT License.
+-- https://opensource.org/licenses/MIT
+
+local tables = require "moonpie.tables"
+local Selectors = {}
+
+function Selectors.getAllWithComponents(state, ...)
+  local entities = state.entities
+
+  local components = tables.pack(...)
+
+  local comparison = function(entity)
+    return tables.all(components, function(c) return entity[c] end)
+  end
+
+  return tables.select(entities, comparison)
+end
+
+
 return Selectors