point.lua

-- Package declaration
local _draw = _G["github.com/eandre/groupauras/pkg/draw"] or {}
_G["github.com/eandre/groupauras/pkg/draw"] = _draw

local builtins = _G.lunar_go_builtins

local _widget = _G["github.com/eandre/groupauras/shim/widget"]

_draw.Point = {}

_draw.NewPoint = function(pos, texture)
	local point = setmetatable({ ["Pos"] = pos, ["frame"] = _draw.getPointFrame() }, {__index=_draw.Point})
	point.frame:SetTexture(texture)
	point.frame.frame:SetSize(20, 20)
	return point
end

_draw.Point.Free = function(p)
	_draw.freePointFrame(p.frame)
end

_draw.pointFrame = {}

_draw.pointFrame.SetTexture = function(f, texture)
	local entry = (_draw.textureMap[texture] or nil)
	if entry ~= nil then
		f.texture:SetTexture(entry.Texture)
		f.texture:SetTexCoord(unpack(entry.TexCoords))
		f.texture:SetBlendMode(entry.Blend)
	else
		f.texture:SetTexture(texture)
		f.texture:SetTexCoord(0, 1, 0, 1)
		f.texture:SetBlendMode(_widget.BlendBlend)
	end
end

_draw.pointFrameCache = {}
_draw.getPointFrame = function()
	for f in pairs(_draw.pointFrameCache or {}) do
		builtins.delete(_draw.pointFrameCache, f)
		return f
	end
	return _draw.newPointFrame()
end

_draw.freePointFrame = function(f)
	_draw.pointFrameCache[f] = true
end

_draw.newPointFrame = function()
	local f = setmetatable({  }, {__index=_draw.pointFrame})
	f.frame = _widget.CreateFrame(_draw.canvas)
	f.frame:SetFrameStrata(_widget.StrataMedium)
	f.texture = f.frame:CreateTexture()
	f.texture:SetAllPoints(f.frame)
	f.texture:SetDrawLayer(_widget.LayerArtwork, 0)
	return f
end