114 lines
2.8 KiB
Lua
114 lines
2.8 KiB
Lua
require("common.class")
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---@class Field
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---@field parent Page|ContainerField
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---@field posX number
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---@field posY number
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---@field aabbW number
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---@field aabbH number
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local Field = {
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__tostring = function() return "Field" end,
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}
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---Create a new Field instance
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---@param o? table # initial parameters
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---@return Field
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function Field.new(o)
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o = o or {}
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--set instance members
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o.parent = o.parent or nil
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o.posX = o.posX or 0
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o.posY = o.posY or 0
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o.aabbW = o.aabbW or 0
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o.aabbH = o.aabbH or 0
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return CreateInstance(Field, o)
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end
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---Get the containing top-level parent page
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---@return Field|Page
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function Field:getParentPage()
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if self.parent and self.parent.getParentPage then
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return self.parent:getParentPage()
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else
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return self.parent
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end
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end
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---@param obj? any # message object for the field
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function Field:activate(obj) end
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---@param obj? any # message object for the field
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function Field:focus(obj) end
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---@param obj? any # message object for the field
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function Field:deactivate(obj) end
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---@param button integer # options are under the `game` table prefixed with `BUTTON`
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---@return boolean # true if further button input processing should be stopped, otherwise false
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function Field:handleButtonInput(button)
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return false
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end
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---@param knob integer # `0` = Left, `1` = Right
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---@param delta number # in radians, `-2*pi` to `0` (turning CCW) and `0` to `2*pi` (turning CW)
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---@return boolean # true if further button input processing should be stopped, otherwise false
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function Field:handleKnobInput(knob, delta)
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return false
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end
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---@param deltaTime number # frametime in seconds
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function Field:drawContent(deltaTime)
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-- dummy field content
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gfx.ResetScissor()
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local offX = -50
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local offY = -50
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local aabbW = 100
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local aabbH = 100
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gfx.BeginPath()
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gfx.FillColor(255, 0, 128, 192)
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gfx.StrokeColor(0, 0, 0)
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gfx.StrokeWidth(2)
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gfx.Rect(offX, offY, aabbW, aabbH)
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gfx.Fill()
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gfx.Stroke()
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gfx.BeginPath()
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gfx.MoveTo(offX, 0)
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gfx.LineTo(offX + aabbW, 0)
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gfx.MoveTo(0, offY)
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gfx.LineTo(0, offY + aabbH)
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gfx.StrokeColor(0, 0, 0, 64)
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gfx.StrokeWidth(2)
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gfx.Stroke()
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local fontSize = 18
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local fontMargin = 4
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gfx.BeginPath()
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gfx.FontSize(fontSize)
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gfx.LoadSkinFont("dfmarugoth.ttf")
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gfx.FillColor(0, 0, 0)
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gfx.TextAlign(gfx.TEXT_ALIGN_CENTER | gfx.TEXT_ALIGN_MIDDLE)
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gfx.Text("TEXTURE", 0, -fontSize / 2 - fontMargin)
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gfx.Text("MISSING", 0, fontSize / 2 + fontMargin)
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end
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---@param deltaTime number # frametime in seconds
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function Field:render(deltaTime)
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gfx.Save()
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gfx.Translate(self.posX, self.posY)
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gfx.Scissor(0, 0, self.aabbW, self.aabbH)
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self:drawContent(deltaTime)
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gfx.Restore()
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end
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return Field
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