--- a/hedgewars/uTouch.pas Sat Jul 27 01:06:47 2013 +0200
+++ b/hedgewars/uTouch.pas Sat Jul 27 04:19:14 2013 +0200
@@ -31,16 +31,17 @@
procedure ProcessTouch;
procedure NewTurnBeginning;
-procedure onTouchDown(x,y: Longword; pointerId: TSDL_FingerId);
-procedure onTouchMotion(x,y: Longword; dx,dy: LongInt; pointerId: TSDL_FingerId);
-procedure onTouchUp(x,y: Longword; pointerId: TSDL_FingerId);
+procedure onTouchDown(x, y: Single; pointerId: TSDL_FingerId);
+procedure onTouchMotion(x, y, dx, dy: Single; pointerId: TSDL_FingerId);
+procedure onTouchUp(x, y: Single; pointerId: TSDL_FingerId);
+
function convertToCursorX(x: LongInt): LongInt;
function convertToCursorY(y: LongInt): LongInt;
-function convertToCursorDeltaX(x: LongInt): LongInt;
-function convertToCursorDeltaY(y: LongInt): LongInt;
+
function addFinger(x,y: Longword; id: TSDL_FingerId): PTouch_Data;
function updateFinger(x,y,dx,dy: Longword; id: TSDL_FingerId): PTouch_Data;
procedure deleteFinger(id: TSDL_FingerId);
+
procedure onTouchClick(finger: TTouch_Data);
procedure onTouchDoubleClick(finger: TTouch_Data);
procedure onTouchLongClick(finger: TTouch_Data);
@@ -62,7 +63,6 @@
const
clickTime = 200;
- nilFingerId = High(TSDL_FingerId);
baseRectSize = 96;
var
@@ -76,24 +76,28 @@
xTouchClick,yTouchClick : LongInt;
timeSinceClick : Longword;
- //Pinch to zoom
+ //Pinch to zoom
pinchSize : LongInt;
baseZoomValue: GLFloat;
//aiming
aimingCrosshair: boolean;
- aimingUp, aimingDown: boolean;
+ aimingUp, aimingDown: boolean;
targetAngle: LongInt;
buttonsDown: Longword;
targetting, targetted: boolean; //true when targetting an airstrike or the like
-procedure onTouchDown(x,y: Longword; pointerId: TSDL_FingerId);
-var
+procedure onTouchDown(x, y: Single; pointerId: TSDL_FingerId);
+var
finger: PTouch_Data;
+ xr, yr: LongWord;
begin
{$IFDEF USE_TOUCH_INTERFACE}
-finger := addFinger(x,y,pointerId);
+xr:= round(x * cScreenWidth);
+yr:= round(y * cScreenHeight);
+
+finger:= addFinger(xr, yr, pointerId);
inc(buttonsDown);//inc buttonsDown, if we don't see a button down we'll dec it
@@ -161,7 +165,7 @@
ParseTeamCommand('/timer ' + inttostr((GetCurAmmoEntry(CurrentHedgeHog^)^.Timer div 1000) mod 5 + 1));
end;
exit;
- end;
+ end;
dec(buttonsDown);//no buttonsDown, undo the inc() above
if buttonsDown = 0 then
begin
@@ -180,12 +184,20 @@
{$ENDIF}
end;
-procedure onTouchMotion(x,y: Longword;dx,dy: LongInt; pointerId: TSDL_FingerId);
+procedure onTouchMotion(x, y, dx, dy: Single; pointerId: TSDL_FingerId);
var
finger, secondFinger: PTouch_Data;
- currentPinchDelta, zoom : single;
+ currentPinchDelta, zoom : Single;
+ xr, yr, dxr, dyr: LongWord;
begin
-finger:= updateFinger(x,y,dx,dy,pointerId);
+xr:= round(x * cScreenWidth);
+yr:= round(y * cScreenHeight);
+dxr:= round(dx * cScreenWidth);
+dyr:= round(dy * cScreenHeight);
+
+finger:= updateFinger(xr, yr, dxr, dyr, pointerId);
+if finger = nil then
+ exit;
if moveCursor then
begin
@@ -201,8 +213,8 @@
end;
exit //todo change into switch rather than ugly ifs
end;
-
-if aimingCrosshair then
+
+if aimingCrosshair then
begin
aim(finger^);
exit
@@ -222,22 +234,27 @@
end;
-procedure onTouchUp(x,y: Longword; pointerId: TSDL_FingerId);
+procedure onTouchUp(x,y: Single; pointerId: TSDL_FingerId);
var
finger: PTouch_Data;
widget: POnScreenWidget;
+ xr, yr: LongWord;
begin
{$IFDEF USE_TOUCH_INTERFACE}
-x := x;
-y := y;
-finger:= updateFinger(x,y,0,0,pointerId);
+xr:= round(x * cScreenWidth);
+yr:= round(y * cScreenHeight);
+
+finger:= updateFinger(xr, yr, 0, 0, pointerId);
+if finger = nil then
+ exit;
+
//Check for onTouchClick event
if not(fingerHasMoved(finger^)) then
begin
if (RealTicks - finger^.timeSinceDown) < clickTime then
onTouchClick(finger^)
else
- onTouchLongClick(finger^);
+ onTouchLongClick(finger^);
end;
if aimingCrosshair then
@@ -252,10 +269,10 @@
if (buttonsDown > 0) and (widget <> nil) then
begin
dec(buttonsDown);
-
+
if widget = @arrowLeft then
ParseTeamCommand('-left');
-
+
if widget = @arrowRight then
ParseTeamCommand('-right');
@@ -267,7 +284,7 @@
if widget = @fireButton then
ParseTeamCommand('-attack');
-
+
if widget = @utilityWidget then
if (CurrentHedgehog <> nil)then
if(Ammoz[CurrentHedgehog^.CurAmmoType].Ammo.Propz and ammoprop_NeedTarget <> 0)then
@@ -279,10 +296,10 @@
ParseTeamCommand('switch')
else WriteLnToConsole(inttostr(ord(Ammoz[CurrentHedgehog^.CurAmmoType].NameId)) + ' ' + inttostr(ord(sidSwitch)));
end;
-
+
if targetting then
AddCaption('Press the target button to mark the target', cWhiteColor, capgrpAmmoInfo);
-
+
deleteFinger(pointerId);
{$ENDIF}
end;
@@ -309,8 +326,8 @@
//if (RealTicks - timeSinceClick < 300) and (sqrt(sqr(finger.X-xTouchClick) + sqr(finger.Y-yTouchClick)) < 30) then
// begin
// onTouchDoubleClick(finger);
-// timeSinceClick:= 0;//we make an assumption there won't be an 'click' in the first 300 ticks(milliseconds)
-// exit;
+// timeSinceClick:= 0;//we make an assumption there won't be an 'click' in the first 300 ticks(milliseconds)
+// exit;
// end;
xTouchClick:= finger.x;
@@ -318,12 +335,12 @@
timeSinceClick:= RealTicks;
if bShowAmmoMenu then
- begin
+ begin
if isOnRect(AmmoRect, finger) then
begin
CursorPoint.X:= finger.x;
CursorPoint.Y:= finger.y;
- ParseTeamCommand('put');
+ ParseTeamCommand('put');
end
else
bShowAmmoMenu:= false;
@@ -339,28 +356,26 @@
if isOnWidget(jumpWidget, finger) then
begin
- ParseTeamCommand('hjump');
+ ParseTeamCommand('hjump');
exit;
end;
{$ENDIF}
end;
function addFinger(x,y: Longword; id: TSDL_FingerId): PTouch_Data;
-var
+var
xCursor, yCursor, index : LongInt;
begin
//Check array sizes
- if length(fingers) < Integer(pointerCount) then
+ if length(fingers) < pointerCount then
begin
- setLength(fingers, length(fingers)*2);
- for index := length(fingers) div 2 to length(fingers) do
- fingers[index].id := nilFingerId;
+ setLength(fingers, pointerCount * 2);
+ WriteLnToConsole('allocated ' + inttostr(length(fingers)) + ' finger elements');
end;
-
-
+
xCursor := convertToCursorX(x);
yCursor := convertToCursorY(y);
-
+
//on removing fingers, all fingers are moved to the left
//with dynamic arrays being zero based, the new position of the finger is the old pointerCount
fingers[pointerCount].id := id;
@@ -372,46 +387,53 @@
fingers[pointerCount].dy := 0;
fingers[pointerCount].timeSinceDown:= RealTicks;
fingers[pointerCount].pressedWidget:= nil;
-
+
addFinger:= @fingers[pointerCount];
inc(pointerCount);
end;
-function updateFinger(x,y,dx,dy: Longword; id: TSDL_FingerId): PTouch_Data;
+function updateFinger(x, y, dx, dy: Longword; id: TSDL_FingerId): PTouch_Data;
+var finger : PTouch_Data;
begin
- updateFinger:= findFinger(id);
+ finger:= findFinger(id);
- updateFinger^.x:= convertToCursorX(x);
- updateFinger^.y:= convertToCursorY(y);
- updateFinger^.dx:= convertToCursorDeltaX(dx);
- updateFinger^.dy:= convertToCursorDeltaY(dy);
+ if finger <> nil then
+ begin
+ finger^.x:= convertToCursorX(x);
+ finger^.y:= convertToCursorY(y);
+ finger^.dx:= dx;
+ finger^.dy:= dy;
+ end
+ else
+ WriteLnToConsole('finger ' + inttostr(id) + ' not found');
+ updateFinger:= finger
end;
procedure deleteFinger(id: TSDL_FingerId);
var
index : Longword;
begin
-
+
dec(pointerCount);
for index := 0 to pointerCount do
begin
if fingers[index].id = id then
begin
-
- //put the last finger into the spot of the finger to be removed,
+
+ //put the last finger into the spot of the finger to be removed,
//so that all fingers are packed to the far left
if pointerCount <> index then
begin
- fingers[index].id := fingers[pointerCount].id;
- fingers[index].x := fingers[pointerCount].x;
- fingers[index].y := fingers[pointerCount].y;
- fingers[index].historicalX := fingers[pointerCount].historicalX;
- fingers[index].historicalY := fingers[pointerCount].historicalY;
+ fingers[index].id := fingers[pointerCount].id;
+ fingers[index].x := fingers[pointerCount].x;
+ fingers[index].y := fingers[pointerCount].y;
+ fingers[index].historicalX := fingers[pointerCount].historicalX;
+ fingers[index].historicalY := fingers[pointerCount].historicalY;
fingers[index].timeSinceDown := fingers[pointerCount].timeSinceDown;
- fingers[pointerCount].id := nilFingerId;
+ fingers[pointerCount].id := 0;
end
- else fingers[index].id := nilFingerId;
+ else fingers[index].id := 0;
break;
end;
end;
@@ -430,12 +452,12 @@
var
deltaAngle: LongInt;
begin
-invertCursor := not(bShowAmmoMenu or targetting);
+invertCursor := not(bShowAmmoMenu or targetting);
if aimingCrosshair then
if CurrentHedgehog^.Gear <> nil then
begin
deltaAngle:= CurrentHedgehog^.Gear^.Angle - targetAngle;
- if (deltaAngle > -5) and (deltaAngle < 5) then
+ if (deltaAngle > -5) and (deltaAngle < 5) then
begin
if(aimingUp)then
begin
@@ -475,10 +497,10 @@
aimingUp:= true;
ParseTeamCommand('+up');
end;
- end;
+ end;
end;
end
- else
+ else
begin
if aimingUp then
begin
@@ -497,16 +519,17 @@
var
index: LongWord;
begin
- for index := 0 to High(fingers) do
- if fingers[index].id = id then
+ for index:= 0 to length(fingers) do
+ if fingers[index].id = id then
begin
- findFinger := @fingers[index];
- break;
+ findFinger:= @fingers[index];
+ exit;
end;
+ findFinger:= nil;
end;
procedure aim(finger: TTouch_Data);
-var
+var
hogX, hogY, touchX, touchY, deltaX, deltaY: LongInt;
begin
if CurrentHedgehog^.Gear <> nil then
@@ -519,70 +542,55 @@
convertToWorldCoord(touchX, touchY, finger);
deltaX := abs(TouchX-HogX);
deltaY := TouchY-HogY;
-
+
targetAngle:= (Round(DeltaY / sqrt(sqr(deltaX) + sqr(deltaY)) * 2048) + 2048) div 2;
end; //if CurrentHedgehog^.Gear <> nil
end;
// These 4 convertToCursor functions convert xy coords from the SDL coordinate system to our CursorPoint coor system:
-// - the SDL coordinate system goes from 0 to 32768 on the x axis and 0 to 32768 on the y axis, (0,0) being top left;
+// - the SDL coordinate system is proportional to the screen and values are normalized in the onTouch* functions
// - the CursorPoint coordinate system goes from -cScreenWidth/2 to cScreenWidth/2 on the x axis
// and 0 to cScreenHeight on the x axis, (-cScreenWidth, cScreenHeight) being top left.
function convertToCursorX(x: LongInt): LongInt;
begin
- convertToCursorX := round((x/32768)*cScreenWidth) - (cScreenWidth shr 1);
+ convertToCursorX:= x - cScreenWidth shr 1;
end;
function convertToCursorY(y: LongInt): LongInt;
begin
- convertToCursorY := cScreenHeight - round((y/32768)*cScreenHeight)
-end;
-
-function convertToCursorDeltaX(x: LongInt): LongInt;
-begin
- convertToCursorDeltaX := round(x/32768*cScreenWidth)
-end;
-
-function convertToCursorDeltaY(y: LongInt): LongInt;
-begin
- convertToCursorDeltaY := round(y/32768*cScreenHeight)
+ convertToCursorY:= cScreenHeight - y;
end;
function isOnCrosshair(finger: TTouch_Data): boolean;
var
- x,y : LongInt;
+ x, y: LongInt;
begin
- x := 0;//avoid compiler hint
- y := 0;
+ x:= 0;
+ y:= 0;
convertToFingerCoord(x, y, CrosshairX, CrosshairY);
- isOnCrosshair:= isOnRect((x-HalfRectSize), (y-HalfRectSize), RectSize, RectSize, finger);
- printFinger(finger);
- WriteLnToConsole(inttostr(finger.x) + ' ' + inttostr(x));
- WriteLnToConsole(inttostr(x) + ' ' + inttostr(y) + ' ' + inttostr(10));
+ isOnCrosshair:= isOnRect(x - HalfRectSize, y - HalfRectSize, RectSize, RectSize, finger);
end;
function isOnCurrentHog(finger: TTouch_Data): boolean;
var
- x,y : LongInt;
+ x, y: LongInt;
begin
- x := 0;
- y := 0;
- convertToFingerCoord(x,y, hwRound(CurrentHedgehog^.Gear^.X), hwRound(CurrentHedgehog^.Gear^.Y));
- isOnCurrentHog:= isOnRect((x-HalfRectSize), (y-HalfRectSize), RectSize, RectSize, finger);
+ x:= 0;
+ y:= 0;
+ convertToFingerCoord(x, y, hwRound(CurrentHedgehog^.Gear^.X), hwRound(CurrentHedgehog^.Gear^.Y));
+ isOnCurrentHog:= isOnRect(x - HalfRectSize, y - HalfRectSize, RectSize, RectSize, finger);
end;
-procedure convertToFingerCoord(var x,y : LongInt; oldX, oldY: LongInt);
+procedure convertToFingerCoord(var x, y : LongInt; oldX, oldY: LongInt);
begin
x := oldX + WorldDx;
- y := cScreenHeight - (oldY + WorldDy);
+ y := cScreenHeight - oldY - WorldDy;
end;
procedure convertToWorldCoord(var x,y: LongInt; finger: TTouch_Data);
begin
-//if x <> nil then
- x := finger.x-WorldDx;
-//if y <> nil then
- y := (cScreenHeight - finger.y)-WorldDy;
+ x := finger.x - WorldDx;
+ y := cScreenHeight - finger.y - WorldDy;
end;
//Method to calculate the distance this finger has moved since the downEvent
@@ -626,7 +634,8 @@
procedure printFinger(finger: TTouch_Data);
begin
- WriteToConsole(Format('id:%d, (%d,%d), (%d,%d), time: %d', [finger.id, finger.x, finger.y, finger.historicalX, finger.historicalY, finger.timeSinceDown]));
+ WriteLnToConsole(Format('id: %d, x: %d y: %d (rel x: %d rel y: %d), time: %d',
+ [finger.id, finger.x, finger.y, finger.historicalX, finger.historicalY, finger.timeSinceDown]));
end;
procedure initModule;
@@ -635,13 +644,14 @@
//uRenderCoordScaleX, uRenderCoordScaleY: Longword;
begin
buttonsDown:= 0;
+ pointerCount:= 0;
setLength(fingers, 4);
- for index := 0 to High(fingers) do
- fingers[index].id := nilFingerId;
+ for index := 0 to length(fingers) do
+ fingers[index].id := 0;
rectSize:= baseRectSize;
- halfRectSize:= baseRectSize shl 1;
+ halfRectSize:= baseRectSize shr 1;
end;
procedure freeModule;