From a4d1d415d9dda4aada1126a2b520a3588e446d12 Mon Sep 17 00:00:00 2001 From: k-m_schindler Date: Mon, 1 Jun 2009 20:50:52 +0000 Subject: fix a mac crash and possibly others. division by zero git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1797 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/screens/UScreenEditConvert.pas | 43 ++++++++++++++++++++++++++------------ 1 file changed, 30 insertions(+), 13 deletions(-) (limited to 'src/screens/UScreenEditConvert.pas') diff --git a/src/screens/UScreenEditConvert.pas b/src/screens/UScreenEditConvert.pas index 361a3be7..e4a691cf 100644 --- a/src/screens/UScreenEditConvert.pas +++ b/src/screens/UScreenEditConvert.pas @@ -34,6 +34,7 @@ interface {$I switches.inc} uses + math, UMenu, SDL, {$IFDEF UseMIDIPort} @@ -575,7 +576,7 @@ var Bottom: real; X: real; Y: real; - H: real; + Height: real; YSkip: real; begin // draw static menu @@ -583,20 +584,24 @@ begin Y := 100; - H := Length(ATrack)*40; - if H > 480 then - H := 480; - Bottom := Y + H; + Height := min(480, 40 * Length(ATrack)); + Bottom := Y + Height; - YSkip := H / Length(ATrack); + if Length(ATrack) = 0 then // prevent crash with uncomplete code. + begin + Log.LogDebug ('UScreenEditConvert -> TScreenEditConvert.Draw:', 'Length(ATrack) = 0'); + YSkip := 40; + end + else + YSkip := Height / Length(ATrack); // select - DrawQuad(10, Y+Sel*YSkip, 780, YSkip, 0.8, 0.8, 0.8); + DrawQuad(10, Y + Sel*YSkip, 780, YSkip, 0.8, 0.8, 0.8); // selected - now me use Status System for Count := 0 to High(ATrack) do if ATrack[Count].Hear then - DrawQuad(10, Y+Count*YSkip, 50, YSkip, 0.8, 0.3, 0.3); + DrawQuad(10, Y + Count*YSkip, 50, YSkip, 0.8, 0.3, 0.3); glColor3f(0, 0, 0); for Count := 0 to High(ATrack) do begin @@ -614,12 +619,12 @@ begin end; end; - DrawLine(10, Y, 10, Bottom, 0, 0, 0); - DrawLine(60, Y, 60, Bottom, 0, 0, 0); + DrawLine( 10, Y, 10, Bottom, 0, 0, 0); + DrawLine( 60, Y, 60, Bottom, 0, 0, 0); DrawLine(790, Y, 790, Bottom, 0, 0, 0); for Count := 0 to Length(ATrack) do - DrawLine(10, Y+Count*YSkip, 790, Y+Count*YSkip, 0, 0, 0); + DrawLine(10, Y + Count*YSkip, 790, Y + Count*YSkip, 0, 0, 0); for Count := 0 to High(ATrack) do begin @@ -632,9 +637,21 @@ begin for Count2 := 0 to High(ATrack[Count].Note) do begin if ATrack[Count].Note[Count2].EventType = 9 then - DrawQuad(60 + ATrack[Count].Note[Count2].Start/Len * 725, Y + (Count+1)*YSkip - ATrack[Count].Note[Count2].Data1*35/127, 3, 3, ColR[Count], ColG[Count], ColB[Count]); + DrawQuad(60 + ATrack[Count].Note[Count2].Start/Len*725, + Y + (Count+1)*YSkip - ATrack[Count].Note[Count2].Data1*35/127, + 3, + 3, + ColR[Count], + ColG[Count], + ColB[Count]); if ATrack[Count].Note[Count2].EventType = 15 then - DrawLine(60 + ATrack[Count].Note[Count2].Start/Len * 725, Y + 0.75 * YSkip + Count*YSkip, 60 + ATrack[Count].Note[Count2].Start/Len * 725, Y + YSkip + Count*YSkip, ColR[Count], ColG[Count], ColB[Count]); + DrawLine(60 + ATrack[Count].Note[Count2].Start/Len*725, + Y + 0.75*YSkip + Count*YSkip, + 60 + ATrack[Count].Note[Count2].Start/Len*725, + Y + YSkip + Count*YSkip, + ColR[Count], + ColG[Count], + ColB[Count]); end; // playing line -- cgit v1.2.3