edit speck properties

2 files changed, 86 insertions, 28 deletions

diff --git a/src/scenes/speck_editor.lua b/src/scenes/speck_editor.lua
index d36443e..ce59a79 100644
--- a/src/scenes/speck_editor.lua
+++ b/src/scenes/speck_editor.lua
@@ -7,6 +7,8 @@ function start_speck_editor()
 
   event_bind(scn.on_draw, "Speck_System", speck_draw_sys)
 
+  event_bind(scn.on_ui, "Speck_Editor", speck_editor_ui_sys)
+
   local editor = new_entity()
   add_comp(editor, "Position", SCR_WIDTH/2, SCR_HEIGHT/2)
   add_comp(editor, "Speck_Editor")
@@ -17,6 +19,62 @@ register_comp("Speck_Editor", function (editor)
   add_comp(editor, "Speck_System", "res/speck/test.speck.lua")
 end)
 
-function speck_editor_update_sys(editor)
-  
+local PROPERTY_CUSTOM = {
+  spawn_shape = {"Point", "Circle", "Rectangle"},
+  spawn_amount_min = {min = 1, max = 64, step = 1},
+  spawn_amount_max = {min = 1, max = 64, step = 1},
+  spawn_width  = {min = 0, max = 1024, step = 1},
+  spawn_height = {min = 0, max = 1024, step = 1},
+  spawn_radius = {min = 0, max = 1024, step = 1},
+  scale_curve = {},
+  scale_start_min = {min = 0, max = 16},
+  scale_start_max = {min = 0, max = 16},
+  forcex = {min = -2048, max = 2048},
+  forcey = {min = -2048, max = 2048},
+  initial_velx = {min = 0, max = 2048},
+  initial_vely = {min = 0, max = 2048},
+  spread = {min = 0, max = 360},
+  lifetime_min = {min = 0, max = 32},
+  lifetime_max = {min = 0, max = 32},
+  interval = {min = 0, max = 32, step = 0.01},
+  texture_path = {},
+  gradient = {},
+}
+
+for key, _ in pairs(EASING_FUNCTIONS) do
+  PROPERTY_CUSTOM.scale_curve[#PROPERTY_CUSTOM.scale_curve+1] = key
+end
+
+local PROPERTY_TYPES = {
+  ["number"] = function (name, value, custom)
+    custom = custom or {}
+    im.layout({0.5, 1})
+    im.text(name)
+    im.text(tostring(value))
+    im.layout()
+    return im.slider(value, custom.min or 0, custom.max or 1, custom.step or 0.1)
+  end,
+  ["boolean"] = function (name, value, _)
+    im.layout({0.25, 0.5, 1})
+    im.text(name)
+    im.text(tostring(value))
+    if im.button("Toggle") then
+      return not value
+    end
+  end
+}
+
+function speck_editor_ui_sys(editor)
+  local system = editor.speck_sys
+
+  im.begin_window("Speck Editor", 5, 5, 180, 180, {})
+    im.text("Properties")
+    for i, prop in ipairs(SPECK_EXPORTED_ARGS) do
+      local func = PROPERTY_TYPES[type(system[prop])]
+      if func then
+        system[prop] = func(prop, system[prop], PROPERTY_CUSTOM[prop])
+      end
+    end
+
+  im.end_window()
 end
diff --git a/src/specks.lua b/src/specks.lua
index 7f16c51..85f8c4e 100644
--- a/src/specks.lua
+++ b/src/specks.lua
@@ -222,36 +222,36 @@ function Speck_Sys:draw()
   end
 end
 
+SPECK_EXPORTED_ARGS = {
+  "spawn_shape",
+  "spawn_amount_min",
+  "spawn_amount_max",
+  "spawn_width",
+  "spawn_height",
+  "spawn_radius",
+  "scale_curve",
+  "scale_start_min",
+  "scale_start_max",
+  "scale_end_min",
+  "scale_end_max",
+  "forcex",
+  "forcey",
+  "initial_velx",
+  "initial_vely",
+  "spread",
+  "lifetime_min",
+  "lifetime_max",
+  "interval",
+  "texture_path",
+  "gradient",
+  "oneshot",
+  "bounce",
+}
 
 function export_speck_sys(sys, filename)
-  local EXPORTED_ARGS = {
-    "spawn_shape",
-    "spawn_amount_min",
-    "spawn_amount_max",
-    "spawn_width",
-    "spawn_height",
-    "spawn_radius",
-    "scale_curve",
-    "scale_start_min",
-    "scale_start_max",
-    "scale_end_min",
-    "scale_end_max",
-    "forcex",
-    "forcey",
-    "initial_velx",
-    "initial_vely",
-    "spread",
-    "lifetime_min",
-    "lifetime_max",
-    "interval",
-    "texture_path",
-    "gradient",
-    "oneshot",
-    "bounce",
-  }
   local exp = {}
 
-  for i, arg in ipairs(EXPORTED_ARGS) do
+  for i, arg in ipairs(SPECK_EXPORTED_ARGS) do
     exp[arg] = sys[arg]
   end
   export_to_source(exp, filename)