小贝子编程

WxLua GUI 2d mappinp



好了，伙计们，我正在为我的gui制作一个2d地图(游戏的文字地图(。在游戏中，我将地形数据导出到一个外部lua文件中，该文件看起来像Info=｛1=｛Color="blue"，x=0，y=0｝，等等…｝基本上是一个大阵列。我的gui读取这个文件和wxDrawcircle，并在坐标处放置像素大小的彩色点。这一切都起作用，并创建了一个好看的地图，但问题是当我点击或做任何事情时，它会冻结，看起来GUI无法处理所有这些点。当我点击GUI时，它几乎会再次刷新并重新渲染所有这些点。所以我的问题是，我应该制作一个纹理，还是有一种方法可以让我的GUI一遍又一遍地渲染地图，而不是像刷新自己一样？

更新：谢谢你的反馈，伙计们真的提高了加载速度。但我添加了if canrun then，所以它只会运行一次，因为我发现每次你移动滚轮时，它都会重新生成导致崩溃的整个地图。因此，如果有一种变通方法可以防止地图在向上或向下滚动时消失，那就行了。

我的GUI。更新的

package.cpath = package.cpath..";./?.dll;./?.so;../lib/?.so;../lib/vc_dll/?.dll;../lib/bcc_dll/?.dll;../lib/mingw_dll/?.dll;"
require("wx")
frame = nil
canrun = true
Panle1_Send_It_Button = 100
Panle1_Static_Box_1 = 101
Panle1_Static_Box_2 = 102
Panle1_Static_Box_3 = 103
Panle1_TextCtrl_1 = 104
Panle1_TextCtrl_2 = 105
P1_SB1_Selected = -1
P1_SB2_Selected = -1
P1_SB3_Selected = -1
function HandleEvents(event)
local name = event:GetEventObject():DynamicCast("wxWindow"):GetName()
frame:SetStatusText(string.format("%s - You are on the %d '%s'", name, event:GetSelection(), event:GetString()), 0)
if event:GetSelection() == 3 then canrun = true print("PRINT2") end
end

local _T = function(s) return s end
local wxT = function(s) return s end
function GetColor(IC,Type)
if IC == "Green" or IC == "Black" then
if Type == 0 then 
--Pix = wx.wxBrush(wx.wxColour(226,204,113),wx.wxSOLID
Pix = wx.wxGREEN_BRUSH
else
Pix = wx.wxGREEN_PEN
end
else
if IC == "Blue" then
if Type == 0 then 
Pix = wx.wxCYAN_BRUSH
else
Pix = wx.wxCYAN_PEN
end
else
if Type == 0 then 
Pix = wx.wxGREY_BRUSH
else
Pix = wx.wxGREY_PEN
end
end
end
return Pix
end
function OnPaint(event)
local dc = wx.wxPaintDC(sw)
sw:PrepareDC( dc )
Number = 1
if canrun then
canrun = false
print("PAINT")
for i = 22,1,-1 do 
local FileName = string.format("PixleData%s.lua",Number)
dofile(FileName)
for i, GroupF in ipairs(Info) do 
local Data = Info[i]
local Color = Data["Color"]
local Xpos = Data["Xp"]
local Ypos = Data["Yp"]
local PixColor = GetColor(Color,0)
local PenColor = GetColor(Color,1)
dc:SetPen( PenColor )
dc:SetBrush( PixColor )
dc:DrawPoint( Xpos, Ypos)
end
Number = Number+1
end
dc:delete()
end
end
function main()
-- create the hierarchy: frame -> notebook
frame = wx.wxFrame(wx.NULL, wx.wxID_ANY, "DCS Support Tablet",wx.wxDefaultPosition, wx.wxSize(900, 600))
frame:CreateStatusBar(1)
frame:SetStatusText("", 0)
T = frame
local notebook = wx.wxNotebook(frame, wx.wxID_ANY,
wx.wxDefaultPosition, wx.wxDefaultSize)
--wx.wxNB_BOTTOM)
-- create first panel in the notebook control
local panel1 = wx.wxPanel(notebook, wx.wxID_ANY)
local sizer1 = wx.wxBoxSizer(wx.wxVERTICAL)
local choice = wx.wxChoice(panel1, Panle1_Static_Box_1,
wx.wxDefaultPosition, wx.wxDefaultSize,
{"Al Dhafra AB", "Al Maktoum Intl", "Sharjah Intl", "Fujairah Intl"})
local choiceBoxStaticBox = wx.wxStaticBox( panel1, wx.wxID_ANY, "Deployment From")
local choiceBoxStaticBoxSizer = wx.wxStaticBoxSizer( choiceBoxStaticBox, wx.wxVERTICAL );
choiceBoxStaticBoxSizer:Add(choice, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
local choice2 = wx.wxChoice(panel1, Panle1_Static_Box_2,
wx.wxDefaultPosition, wx.wxDefaultSize,
{"Carrier", "Al Dhafra AB", "Al Maktoum Intl", "Sharjah Intl", "Fujairah Intl", "Grid Cordinates (For FOBs Only)"})
local choiceBoxStaticBox2 = wx.wxStaticBox( panel1, wx.wxID_ANY, "Attack Location")
local choiceBoxStaticBoxSizer2 = wx.wxStaticBoxSizer( choiceBoxStaticBox2, wx.wxVERTICAL );
choiceBoxStaticBoxSizer2:Add(choice2, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
local choice3 = wx.wxChoice(panel1, Panle1_Static_Box_3,
wx.wxDefaultPosition, wx.wxDefaultSize,
{"A-10C","F/A-18C","M1A2 MBT"})
local choiceBoxStaticBox3 = wx.wxStaticBox( panel1, wx.wxID_ANY, "Unit To Be Deployed")
local choiceBoxStaticBoxSizer3 = wx.wxStaticBoxSizer( choiceBoxStaticBox3, wx.wxVERTICAL );
choiceBoxStaticBoxSizer3:Add(choice3, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
local staticText = wx.wxStaticText( panel1, wx.wxID_ANY, "North", wx.wxPoint(7,194))
local textCtrl   = wx.wxTextCtrl( panel1, Panle1_TextCtrl_1, "000", wx.wxPoint(35,190), wx.wxDefaultSize, wx.wxTE_PROCESS_ENTER )
local text_w, text_h = textCtrl:GetTextExtent("00000.00000")
textCtrl:SetInitialSize(wx.wxSize(text_w, -1))
local staticText2 = wx.wxStaticText( panel1, wx.wxID_ANY, "East", wx.wxPoint(105,194))
local textCtrl2   = wx.wxTextCtrl( panel1, Panle1_TextCtrl_2, "000", wx.wxPoint(128,190), wx.wxDefaultSize, wx.wxTE_PROCESS_ENTER )
local text_w2, text_h2 = textCtrl2:GetTextExtent("00000.00000")
textCtrl2:SetInitialSize(wx.wxSize(text_w2, -1))
local staticText3 = wx.wxStaticText( panel1, wx.wxID_ANY, "Available Resources At Selected Base - 500/", wx.wxPoint(200,194))
local staticText4 = wx.wxStaticText( panel1, wx.wxID_ANY, "Selected Unit Cost - 100", wx.wxPoint(415,194))
button = wx.wxButton( panel1, Panle1_Send_It_Button, "Confirm",wx.wxPoint(245,242),wx.wxSize(50, 20),0)
sizer1:Add(choiceBoxStaticBoxSizer, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
sizer1:Add(choiceBoxStaticBoxSizer2, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
sizer1:Add(choiceBoxStaticBoxSizer3, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
panel1:SetSizer(sizer1)
sizer1:SetSizeHints(panel1)
notebook:AddPage(panel1, "Deployment")
-- create second panel in the notebook control
local panel2 = wx.wxPanel(notebook, wx.wxID_ANY)
local sizer2 = wx.wxBoxSizer(wx.wxVERTICAL)
local choice = wx.wxChoice(panel2, wx.wxID_ANY,
wx.wxDefaultPosition, wx.wxDefaultSize,
{"Al Dhafra AB", "Al Maktoum Intl", "Sharjah Intl", "Fujairah Intl"})
local choiceBoxStaticBox = wx.wxStaticBox( panel2, wx.wxID_ANY, "Deployment From")
local choiceBoxStaticBoxSizer = wx.wxStaticBoxSizer( choiceBoxStaticBox, wx.wxVERTICAL );
choiceBoxStaticBoxSizer:Add(choice, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
local choice2 = wx.wxChoice(panel2, wx.wxID_ANY,
wx.wxDefaultPosition, wx.wxDefaultSize,
{"A-10C","F/A-18C","M1A2 MBT"})
local choiceBoxStaticBox2 = wx.wxStaticBox( panel2, wx.wxID_ANY, "Unit To Be Deployed")
local choiceBoxStaticBoxSizer2 = wx.wxStaticBoxSizer( choiceBoxStaticBox2, wx.wxVERTICAL );
choiceBoxStaticBoxSizer2:Add(choice2, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
sizer2:Add(choiceBoxStaticBoxSizer, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
sizer2:Add(choiceBoxStaticBoxSizer2, 0, wx.wxALL + wx.wxGROW + wx.wxCENTER, 5)
panel2:SetSizer(sizer2)
sizer2:SetSizeHints(panel2)
notebook:AddPage(panel2, "Defense")
local panel3 = wx.wxPanel(notebook, wx.wxID_ANY)
notebook:AddPage(panel3, "Main H.Q.")
panel4 = wx.wxPanel(notebook, 664)
notebook:AddPage(panel4, "Mission Information")
sw = wx.wxScrolledWindow( panel4, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxSize(900, 600),wx.wxHSCROLL + wx.wxVSCROLL)
sw:SetScrollbars(15, 15, 900, 600, 0, 0, false)
sw:Connect(wx.wxEVT_PAINT, OnPaint)
frame:SetSizeHints(notebook:GetBestSize():GetWidth(),notebook:GetBestSize():GetHeight())
-- typically you will give a control a specific window id and connect an
-- event handler for that id, in this case respond to any id
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, HandleEvents)
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_RADIOBOX_SELECTED, HandleEvents)
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_LISTBOX_SELECTED, HandleEvents)
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_COMBOBOX_SELECTED, HandleEvents)
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_CHOICE_SELECTED, HandleEvents)
frame:Connect(wx.wxID_ANY, wx.wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, HandleEvents)
frame:Connect(Panle1_Static_Box_1, wx.wxEVT_COMMAND_CHOICE_SELECTED, 
function(event)
P1_SB1_Selected = event:GetSelection()
end)
frame:Connect(Panle1_Static_Box_2, wx.wxEVT_COMMAND_CHOICE_SELECTED, 
function(event)
P1_SB2_Selected = event:GetSelection()
end)
frame:Connect(Panle1_Static_Box_3, wx.wxEVT_COMMAND_CHOICE_SELECTED, 
function(event)
P1_SB3_Selected = event:GetSelection()
end)
frame:Connect(Panle1_Send_It_Button, wx.wxEVT_COMMAND_BUTTON_CLICKED,
function(event)
if P1_SB1_Selected == -1 or P1_SB2_Selected == -1 or P1_SB3_Selected == -1 then
wx.wxMessageBox("Missing Entryn", "Try Agian Commander", wx.wxOK + wx.wxICON_INFORMATION, frame)
else
local MissionVariables = string.format( "STCost = %s STSpawnFrom = %s STAttackLocation = %s STUnitType = %s STCanSpawn = true", 100,P1_SB1_Selected,P1_SB2_Selected+1,P1_SB3_Selected )
local DataFile = io.open("Data.lua", "w")
DataFile:write(MissionVariables)
DataFile:close()
end
end)
frame:Show(true)
end
main()
wx.wxGetApp():MainLoop()

这是它创建的地图，向下的时间稍长，但当滚轮移动时，它会消失

您可以改进以下几点：

  1. 您正在为每个点创建dc。这是非常低效的，因为你只需要在循环之前创建一次它(事实上你这样做了，但不要使用它(
  2. 删除dc相同；循环后只做一次
  3. 您不断多次重新加载文件；加载它们并将结果保存在表中，然后根据需要使用它
  4. 即使颜色不变，你也在重新设置画笔；为了尽量减少更改，您可能需要按颜色对其进行分组
  5. 你画一个半径为1点的圆。为什么不使用DrawPoint

所以我的问题是，我应该制作一个纹理，还是有一种方法可以让我的GUI一次又一次地渲染地图，而不是像刷新自己一样一遍又一遍地渲染？

是的，您可以将绘制的内容保存到位图中，然后绘制位图本身，而无需花费时间绘制其组件。您的OnPaint处理程序将如下所示：

local function onPaint()
local dc = wx.wxPaintDC(frame)
dc:DrawBitmap(bitmap, 0, 0, true)
dc:delete()
end

您的图纸将在需要时在bitmap上绘制：

mdc:SelectObject(bitmap)
mdc:SetPen(WHATEVER)
mdc:DrawPoint(x, y)
mdc:SelectObject(wx.wxNullBitmap)

其中CCD_ 7。

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