src/ScoreBubble.m

   1 //
   2 //  ScoreBubble.m
   3 //  jeweltoy
   4 //
   5 //  Created by Mike Wessler on Sat Jun 15 2002.
   6 //
   7 /*
   8  This program is free software; you can redistribute it and/or
   9  modify it under the terms of the GNU General Public License
  10  as published by the Free Software Foundation; either version 2
  11  of the License, or (at your option) any later version.
  12
  13  This program is distributed in the hope that it will be useful,
  14  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  GNU General Public License for more details.
  17
  18  You should have received a copy of the GNU General Public License
  19  along with this program; if not, write to the Free Software
  20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  ----====----====----====----====----====----====----====----====----====---- */
  22
  23 #import "ScoreBubble.h"
  24
  25 #import "OpenGLSprite.h"
  26
  27 NSMutableDictionary *stringAttributes;
  28
  29 // Open GL Z value for scorebubbles
  30 #define SCOREBUBBLE_SPRITE_Z    -0.30
  31
  32 @implementation ScoreBubble
  33
  34 @synthesize value           = _value;
  35 @synthesize screenLocation  = _screenLocation;
  36 @synthesize animationCount  = _animationCount;
  37 @synthesize image           = _image;
  38
  39 + (ScoreBubble *)scoreWithValue:(int)value at:(NSPoint)location duration:(int)count
  40 {
  41   // FIXME: possible bug, is it [self alloc] or [[self class] alloc]???
  42   ScoreBubble *scoreBubble = [[self alloc] initWithValue:value
  43                                                       at:location
  44                                                 duration:count];
  45   return [scoreBubble autorelease];
  46 }
  47
  48 -(id)initWithValue:(int)value at:(NSPoint)location duration:(int)count
  49 {
  50     NSString *str= [NSString stringWithFormat:@"%d", value];
  51     NSSize strsize;
  52   self = [super init];
  53     if (self != nil) {
  54         if (!stringAttributes) {
  55             stringAttributes= [NSMutableDictionary dictionaryWithObjectsAndKeys:[NSFont fontWithName:@"ArialNarrow-Bold" size:18],
  56                 NSFontAttributeName, [NSColor blackColor], NSForegroundColorAttributeName, NULL];
  57             [stringAttributes retain];
  58         }
  59         strsize= [str sizeWithAttributes:stringAttributes];
  60         strsize.width+= 3;
  61         strsize.height+=1;
  62         _value= value;
  63         _screenLocation = location;
  64         _screenLocation.x -= strsize.width / 2;
  65         _screenLocation.y -= strsize.height / 2;
  66         _animationCount= count;
  67         _image = [[NSImage alloc] initWithSize:strsize];
  68         [_image lockFocus];
  69         [stringAttributes setObject:[NSColor blackColor] forKey:NSForegroundColorAttributeName];
  70         [str drawAtPoint:NSMakePoint(2,0) withAttributes:stringAttributes];
  71         [stringAttributes setObject:[NSColor yellowColor] forKey:NSForegroundColorAttributeName];
  72         [str drawAtPoint:NSMakePoint(1,1) withAttributes:stringAttributes];
  73         [_image unlockFocus];
  74
  75         // Open GL
  76       NSSize imageSize = _image.size;
  77         sprite = [[OpenGLSprite alloc] initWithImage:_image
  78                                        cropRectangle:NSMakeRect(0, 0, imageSize.width, imageSize.height)
  79                                                 size:imageSize];
  80     }
  81
  82     return self;
  83 }
  84
  85 - (void)dealloc
  86 {
  87   [_image release];
  88   [sprite release];
  89
  90   [super dealloc];
  91 }
  92
  93 -(void)drawImage
  94 {
  95     float alpha = (float)_animationCount/20;
  96     if (alpha>1) {
  97         alpha= 1;
  98     }
  99
 100     [_image compositeToPoint:_screenLocation
 101                   operation:NSCompositeSourceOver
 102                    fraction:alpha];
 103 }
 104
 105 -(void)drawSprite
 106 {
 107     float alpha= (float)_animationCount/20;
 108     if (alpha>1) {
 109         alpha= 1;
 110     }
 111     [sprite blitToX:_screenLocation.x
 112                   Y:_screenLocation.y
 113                   Z:SCOREBUBBLE_SPRITE_Z
 114               Alpha:alpha];
 115 }
 116
 117 -(int)animate
 118 {
 119   if (_animationCount > 0) {
 120     _screenLocation.y++;
 121     _animationCount--;
 122   }
 123
 124   return _animationCount;
 125 }
 126
 127 @end