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;
  35 @synthesize _screenLocation;
  36 @synthesize _animationCount;
  37
  38 + (ScoreBubble *)scoreWithValue:(int)value at:(NSPoint)location duration:(int)count
  39 {
  40   // FIXME: possible bug, is it [self alloc] or [[self class] alloc]???
  41   ScoreBubble *scoreBubble = [[self alloc] initWithValue:value
  42                                                       at:location
  43                                                 duration:count];
  44   return [scoreBubble autorelease];
  45 }
  46
  47 -(id)initWithValue:(int)value at:(NSPoint)location duration:(int)count
  48 {
  49     NSString *str= [NSString stringWithFormat:@"%d", value];
  50     NSSize strsize;
  51   self = [super init];
  52     if (self != nil) {
  53         if (!stringAttributes) {
  54             stringAttributes= [NSMutableDictionary dictionaryWithObjectsAndKeys:[NSFont fontWithName:@"ArialNarrow-Bold" size:18],
  55                 NSFontAttributeName, [NSColor blackColor], NSForegroundColorAttributeName, NULL];
  56             [stringAttributes retain];
  57         }
  58         strsize= [str sizeWithAttributes:stringAttributes];
  59         strsize.width+= 3;
  60         strsize.height+=1;
  61         _value= value;
  62         _screenLocation = location;
  63         _screenLocation.x -= strsize.width / 2;
  64         _screenLocation.y -= strsize.height / 2;
  65         _animationCount= count;
  66         image= [[NSImage alloc] initWithSize:strsize];
  67         [image lockFocus];
  68         [stringAttributes setObject:[NSColor blackColor] forKey:NSForegroundColorAttributeName];
  69         [str drawAtPoint:NSMakePoint(2,0) withAttributes:stringAttributes];
  70         [stringAttributes setObject:[NSColor yellowColor] forKey:NSForegroundColorAttributeName];
  71         [str drawAtPoint:NSMakePoint(1,1) withAttributes:stringAttributes];
  72         [image unlockFocus];
  73
  74         // Open GL
  75         //
  76         sprite = [[OpenGLSprite alloc] initWithImage:image
  77                                        cropRectangle:NSMakeRect(0, 0, [image size].width, [image size].height)
  78                                                 size:[image size]];
  79         //
  80     }
  81     return self;
  82 }
  83
  84 - (void)dealloc
  85 {
  86   [image release];
  87   [sprite release];
  88
  89   [super dealloc];
  90 }
  91
  92 -(void)drawImage
  93 {
  94     float alpha = (float)_animationCount/20;
  95     if (alpha>1) {
  96         alpha= 1;
  97     }
  98
  99     [image compositeToPoint:_screenLocation
 100                   operation:NSCompositeSourceOver
 101                    fraction:alpha];
 102 }
 103
 104 -(void)drawSprite
 105 {
 106     float alpha= (float)_animationCount/20;
 107     if (alpha>1) {
 108         alpha= 1;
 109     }
 110     [sprite blitToX:_screenLocation.x
 111                   Y:_screenLocation.y
 112                   Z:SCOREBUBBLE_SPRITE_Z
 113               Alpha:alpha];
 114 }
 115
 116 -(int)animate
 117 {
 118   if (_animationCount > 0) {
 119     _screenLocation.y++;
 120     _animationCount--;
 121   }
 122
 123   return _animationCount;
 124 }
 125
 126 -(NSImage *)image
 127 {
 128     return image;
 129 }
 130
 131 @end