vanilla-wow-addons – Rev 1
?pathlinks?
IMBA_Lines={};
IMBA_Line_Data={};
IMBA_LINE_DATA_SX = 1
IMBA_LINE_DATA_SY = 2
IMBA_LINE_DATA_EX = 3
IMBA_LINE_DATA_EY = 4
IMBA_LINE_DATA_WIDTH = 5
IMBA_LINE_DATA_COLOR = 6
--Copied from Blizzard's TaxiFrame code and modifed for IMBA
-- The following function is used with permission from Daniel Stephens <iriel@vigilance-committee.org>
TAXIROUTE_LINEFACTOR = 32/30; -- Multiplying factor for texture coordinates
TAXIROUTE_LINEFACTOR_2 = TAXIROUTE_LINEFACTOR / 2; -- Half o that
-- T - Texture
-- C - Canvas Frame (for anchoring)
-- sx,sy - Coordinate of start of line
-- ex,ey - Coordinate of end of line
-- w - Width of line
-- relPoint - Relative point on canvas to interpret coords (Default BOTTOMLEFT)
--/script IMBA_DrawLine(IMBA_Ouro,0,0,-200,-200,32)
function IMBA_DrawLine(C, sx, sy, ex, ey, w, color)
local T, lineNum, relPoint;
if (not relPoint) then relPoint = "BOTTOMLEFT"; end
if not IMBA_Lines[C:GetName()] then
IMBA_Lines[C:GetName()]={};
end
if not IMBA_Line_Data[C:GetName()] then
IMBA_Line_Data[C:GetName()]={};
end
T=nil;
for k,v in IMBA_Lines[C:GetName()] do
if not v:IsShown() and not T then
T=v;
lineNum=k;
T:Show();
end
end
if not T then
T=C:CreateTexture(C:GetName().."_Line"..(getn(IMBA_Lines[C:GetName()])+1), "ARTWORK");
--T:SetTexture("Interface\\AddOns\\Whiteboard\\textures\\line");
T:SetTexture("Interface\\AddOns\\IMBA\\textures\\line");
tinsert(IMBA_Lines[C:GetName()],T);
tinsert(IMBA_Line_Data[C:GetName()],{sx,sy,ex,ey,w,{color[1],color[2],color[3],color[4]}});
else
IMBA_Line_Data[C:GetName()][lineNum]={sx,sy,ex,ey,w,{color[1],color[2],color[3],color[4]}};
end
T:SetVertexColor(color[1],color[2],color[3],color[4]);
-- Determine dimensions and center point of line
local dx,dy = ex - sx, ey - sy;
local cx,cy = (sx + ex) / 2, (sy + ey) / 2;
-- Normalize direction if necessary
if (dx < 0) then
dx,dy = -dx,-dy;
end
-- Calculate actual length of line
local l = sqrt((dx * dx) + (dy * dy));
-- Quick escape if it's zero length
if (l == 0) then
T:SetTexCoord(0,0,0,0,0,0,0,0);
T:SetPoint("BOTTOMLEFT", C, relPoint, cx,cy);
T:SetPoint("TOPRIGHT", C, relPoint, cx,cy);
return;
end
-- Sin and Cosine of rotation, and combination (for later)
local s,c = -dy / l, dx / l;
local sc = s * c;
-- Calculate bounding box size and texture coordinates
local Bwid, Bhgt, BLx, BLy, TLx, TLy, TRx, TRy, BRx, BRy;
if (dy >= 0) then
Bwid = ((l * c) - (w * s)) * TAXIROUTE_LINEFACTOR_2;
Bhgt = ((w * c) - (l * s)) * TAXIROUTE_LINEFACTOR_2;
if w>64 then
Bwid=Bwid*1.05;
Bhgt=Bhgt*1.05;
end
if w>128 then
Bwid=Bwid*1.05;
Bhgt=Bhgt*1.05;
end
BLx, BLy, BRy = (w / l) * sc, s * s, (l / w) * sc;
BRx, TLx, TLy, TRx = 1 - BLy, BLy, 1 - BRy, 1 - BLx;
TRy = BRx;
else
Bwid = ((l * c) + (w * s)) * TAXIROUTE_LINEFACTOR_2;
Bhgt = ((w * c) + (l * s)) * TAXIROUTE_LINEFACTOR_2;
if w>64 then
Bwid=Bwid*1.05;
Bhgt=Bhgt*1.05;
end
BLx, BLy, BRx = s * s, -(l / w) * sc, 1 + (w / l) * sc;
BRy, TLx, TLy, TRy = BLx, 1 - BRx, 1 - BLx, 1 - BLy;
TRx = TLy;
end
-- Set texture coordinates and anchors
T:ClearAllPoints();
T:SetTexCoord(TLx, TLy, BLx, BLy, TRx, TRy, BRx, BRy);
T:SetPoint("BOTTOMLEFT", C, relPoint, cx - Bwid, cy - Bhgt);
T:SetPoint("TOPRIGHT", C, relPoint, cx + Bwid, cy + Bhgt);
return T:GetName();
end
function IMBA_ClearLines(C)
if not IMBA_Lines then
IMBA_Lines={};
end
if not IMBA_Lines[C:GetName()] then
IMBA_Lines[C:GetName()]={};
end
for k,v in IMBA_Lines[C:GetName()] do
v:Hide();
end
end
function IMBA_EraseLines(C,x,y,r)
local Dist, xDiff, yDiff;
r=r*r;
if not IMBA_Lines[C:GetName()] then
IMBA_Lines[C:GetName()]={};
IMBA_Line_Data[C:GetName()]={};
end
for k,v in IMBA_Line_Data[C:GetName()] do
if IMBA_Lines[C:GetName()][k]:IsShown() then
xDiff=x-v[1];
yDiff=y-v[2];
Dist=xDiff*xDiff+yDiff*yDiff
if Dist<r then
IMBA_Lines[C:GetName()][k]:Hide();
else
xDiff=x-v[3];
yDiff=y-v[4];
Dist=xDiff*xDiff+yDiff*yDiff
if Dist<r then
IMBA_Lines[C:GetName()][k]:Hide();
end
end
end
end
end
function IMBA_CompareColors(C1,C2)
if getn(C1)~=getn(C2) then
return false
end
for i=1,getn(C1),1 do
if C1[i]~=C2[i] then
return false
end
end
return true
end
function IMBA_CreateSaveImage(C)
local ImageStrokes={};
if not IMBA_Line_Data then
return nil
end
if not IMBA_Line_Data[C:GetName()] then
return nil;
end
for k,v in IMBA_Line_Data[C:GetName()] do
local AddedLine
AddedLine=false;
if IMBA_Lines[C:GetName()][k]:IsShown() then
for k2, Stroke in ImageStrokes do
if not AddedLine and IMBA_CompareColors(Stroke.Color,v[IMBA_LINE_DATA_COLOR]) and (Stroke.Width==v[IMBA_LINE_DATA_WIDTH]) then
if (v[IMBA_LINE_DATA_SX]==Stroke.x[getn(Stroke.x)]) and (v[IMBA_LINE_DATA_SY]==Stroke.y[getn(Stroke.y)]) and not ((v[IMBA_LINE_DATA_SX]==v[IMBA_LINE_DATA_EX]) and (v[IMBA_LINE_DATA_SY]==v[IMBA_LINE_DATA_EY])) then
tinsert(Stroke.x,v[IMBA_LINE_DATA_EX])
tinsert(Stroke.y,v[IMBA_LINE_DATA_EY])
AddedLine=true;
end
end
end
if not AddedLine then
tinsert(ImageStrokes,{Color=v[IMBA_LINE_DATA_COLOR],Width=v[IMBA_LINE_DATA_WIDTH],x={v[IMBA_LINE_DATA_SX],v[IMBA_LINE_DATA_EX]},y={v[IMBA_LINE_DATA_SY],v[IMBA_LINE_DATA_EY]}});
end
end
end
return ImageStrokes
end
function IMBA_DrawSavedImage(C,Image)
if not Image then
return
end
for k, Stroke in Image do
local lines;
lines=getn(Stroke.x)-1;
for i=1,lines,1 do
IMBA_DrawLine(C, Stroke.x[i], Stroke.y[i], Stroke.x[i+1], Stroke.y[i+1], Stroke.Width, Stroke.Color)
end
end
end
local IMBA_Stroke={}
function IMBA_EndStroke(canvas)
local canvasN=canvas:GetName();
if IMBA_Stroke[canvasN] then
local Message,num;
num=getn(IMBA_Stroke[canvasN].vert);
Message=string.format("DRAWSTROKE %.2f %.2f %.2f %.2f %.1f %d ",IMBA_Stroke[canvasN].color[1],IMBA_Stroke[canvasN].color[2],IMBA_Stroke[canvasN].color[3],IMBA_Stroke[canvasN].color[4],IMBA_Stroke[canvasN].width,num)
for i=1,num do
Message=Message..string.format("a %.1f %.1f ",IMBA_Stroke[canvasN].vert[i][1],IMBA_Stroke[canvasN].vert[i][2]);
end
if canvas:GetName()=="Whiteboard" then
IMBA_AddMsg("IMBA_LINES_"..canvasN,Message,"GUILD");
else
if IMBA_IsPlayerALeader() then
if GetNumRaidMembers()>0 then
IMBA_AddMsg("IMBA_LINES_"..canvasN,Message,"RAID");
else
IMBA_AddMsg("IMBA_LINES_"..canvasN,Message,"PARTY");
end
end
end
IMBA_Stroke[canvasN]=nil
end
end
function IMBA_AddToStroke(canvas, x,y)
tinsert(IMBA_Stroke[canvas:GetName()].vert,{x,y})
if getn(IMBA_Stroke[canvas:GetName()].vert)>=10 then
IMBA_EndStroke(canvas)
end
end
function IMBA_StartStroke(canvas,color,width,sx,sy,ex,ey)
local canvasN=canvas:GetName();
IMBA_Stroke[canvasN]={}
IMBA_Stroke[canvasN].color=color
IMBA_Stroke[canvasN].width=width
IMBA_Stroke[canvasN].vert={};
tinsert(IMBA_Stroke[canvasN].vert,{sx,sy})
tinsert(IMBA_Stroke[canvasN].vert,{ex,ey})
end
function IMBA_StrokeStarted(canvas)
if IMBA_Stroke[canvas:GetName()] then
return true
end
return false
end
function IMBA_SendSavedImage(C,Image)
if IMBA_IsPlayerALeader() or (C:GetName()=="Whiteboard") then
if C:GetName()=="Whiteboard" then
IMBA_AddMsg("IMBA_LINES_"..canvasN,Message,"GUILD");
else
if GetNumRaidMembers()>0 then
IMBA_AddMsg("IMBA_LINES_"..C:GetName(),"ERASEALL","RAID");
else
IMBA_AddMsg("IMBA_LINES_"..C:GetName(),"ERASEALL","PARTY");
end
end
for k, Stroke in Image do
local lines;
lines=getn(Stroke.x)-1;
for i=1,lines,1 do
if IMBA_StrokeStarted(C) then
IMBA_AddToStroke(C,Stroke.x[i+1], Stroke.y[i+1]);
else
IMBA_StartStroke(C,Stroke.Color,Stroke.Width,Stroke.x[i], Stroke.y[i], Stroke.x[i+1], Stroke.y[i+1])
end
IMBA_EndStroke(C);
end
end
end
end
function IMBA_LineMsgHandler(canvas)
if arg1=="IMBA_LINES_"..canvas:GetName() and arg4~=UnitName("player") then
for sx, sy, ex, ey, r, g, b, a in string.gfind(arg2, "DRAWLINE (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*)") do
IMBA_DrawLine(canvas,sx,sy,ex,ey,32,{r,g,b,a})
end
for x,y in string.gfind(arg2, "ERASE (%d+.?%d*) (%d+.?%d*)") do
IMBA_EraseLines(canvas,x,y,12);
end
if string.find(arg2,"DRAWSTROKE") then
local _,_, r, g, b, a, w, n, px, py, rest = string.find(arg2, "DRAWSTROKE (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+.?%d*) (%d+) a (%d+.?%d*) (%d+.?%d*) (.*)");
local x, y
for x, y in string.gfind(rest,"a (%d+.?%d*) (%d+.?%d*)") do
IMBA_DrawLine(canvas,px,py,x,y,tonumber(w),{r,g,b,a});
px=x;
py=y;
end
end
if string.find(arg2,"ERASEALL") then
IMBA_ClearLines(canvas);
end
end
end
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