Code: Select all
function widget:GetInfo()
return {
name = "Crosshair toggle",
desc = "Makes mid click toggle crosshair scroll mode",
author = "You",
date = "Today",
license = "WTFPL",
layer = -1000,
enabled = true
}
end
local active
local hold
local time
local GetCameraState = Spring.GetCameraState
local SetCameraState = Spring.SetCameraState
local GetModKeyState = Spring.GetModKeyState
local GetConfigInt = Spring.GetConfigInt
local GetConfigString = Spring.GetConfigString
local GetMouseState = Spring.GetMouseState
local IsAboveMiniMap = Spring.IsAboveMiniMap
local WarpMouse = Spring.WarpMouse
local SetMouseCursor = Spring.SetMouseCursor
local glColor = gl.Color
local glBeginEnd = gl.BeginEnd
local glEnable = gl.Enable
local glDisable = gl.Disable
local glLineWidth = gl.LineWidth
local GL_LINES = GL.LINES
local glVertex = gl.Vertex
local tan = math.tan
local camera
local scrollSpeed
local camTime
local vsx, vsy
local mx, my
local overHeadFov
local crossSize
local holdTime = 0.3
function widget:Initialize()
scrollSpeed = GetConfigInt("OverheadScrollSpeed",0)
middleClickScrollSpeed = tonumber(GetConfigString("MiddleClickScrollSpeed",0))
overHeadFov = GetConfigInt("OverheadFOV", 45)
crossSize = GetConfigInt("CrossSize",0)
camTime = 0 --? camera's movement "smoothness"
active = false
hold = false
vsx, vsy = widgetHandler:GetViewSizes()
mx, my = GetMouseState()
end
function widget:ViewResize(viewSizeX, viewSizeY)
vsx = viewSizeX
vsy = viewSizeY
end
function widget:MousePress(x, y, button)
camera = GetCameraState()
if (camera.name ~= "ta") then
active = false
return false
end
time = Spring.GetTimer()
if button ~= 2 or IsAboveMiniMap(x,y) then
return false
else
if not active then
hold = true
end
return true
end
end
function widget:MouseRelease(x, y, button)
camera = GetCameraState()
if (camera.name ~= "ta") then
active = false
end
if button ~= 2 then
return false
end
if Spring.DiffTimers(Spring.GetTimer(), time) < holdTime or active then
active = not active
if not active then
hold = false
end
return true
end
if hold then
hold = false
return true
end
return false
end
local function CrossHairMove( dx, dy )
camera = GetCameraState()
if (camera.name ~= "ta") then
return false
end
if camera.flipped then
dx = -dx
dy = -dy
end
local _,_,shift = GetModKeyState()
local speedMultiplier = 0.1
if shift then
speedMultiplier = speedMultiplier * 4
end
dx = dx * 100 * middleClickScrollSpeed
dy = dy * 100 * middleClickScrollSpeed
-- the following number is wrong if we're in the mid of a camera transition, but I think no one sane would use it in such case
-- and the logic would be too complicated to replicate there
local halfFov = overHeadFov * 0.008726646
local tanHalfFov = tan(halfFov)
local pixelsize = tanHalfFov * 2/vsy * camera.height * 2
camera.px = camera.px + dx * pixelsize * speedMultiplier * scrollSpeed
camera.pz = camera.pz + dy * pixelsize * speedMultiplier * scrollSpeed
-- move camera
SetCameraState(camera, camTime)
end
local function DrawCrosshair()
if crossSize > 0 then
glColor(1.0, 1.0, 1.0, 0.5)
glLineWidth(1.49)
glBeginEnd(GL_LINES, function()
glVertex(vsx/2 - crossSize, vsy/2)
glVertex(vsx/2 + crossSize, vsy/2)
glVertex(vsx/2, vsy/2 - crossSize)
glVertex(vsx/2, vsy/2 + crossSize)
end)
glLineWidth(1.0)
end
end
function widget:DrawScreen()
if active then
DrawCrosshair()
SetMouseCursor( "none" ) -- set no mouse cursor
end
end
function widget:Update()
local x, y = GetMouseState()
if active or hold then
-- spring origins for mouse are bottom right, therefore y coordinate is reversed
CrossHairMove( mx - x, y - my )
-- center mouse
WarpMouse(vsx/2, vsy/2)
x = vsx / 2
y = vsy / 2
end
mx = x
my = y
end
.
