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 _animationCount;
  35
  36 + (ScoreBubble *)scoreWithValue:(int)val At:(NSPoint)loc Duration:(int)count
  37 {
  38   // FIXME: possible bug, is it [self alloc] or [[self class] alloc]???
  39   ScoreBubble *scoreBubble = [[self alloc] initWithValue:val At:loc Duration:count];
  40   return [scoreBubble autorelease];
  41   // !!!: remove: return [[[self alloc] initWithValue:val At:loc Duration:count] autorelease];
  42 }
  43
  44 -(id)initWithValue:(int)val At:(NSPoint)loc Duration:(int)count
  45 {
  46     NSString *str= [NSString stringWithFormat:@"%d", val];
  47     NSSize strsize;
  48   self = [super init];
  49     if (self != nil) {
  50         if (!stringAttributes) {
  51             stringAttributes= [NSMutableDictionary dictionaryWithObjectsAndKeys:[NSFont fontWithName:@"ArialNarrow-Bold" size:18],
  52                 NSFontAttributeName, [NSColor blackColor], NSForegroundColorAttributeName, NULL];
  53             [stringAttributes retain];
  54         }
  55         strsize= [str sizeWithAttributes:stringAttributes];
  56         strsize.width+= 3;
  57         strsize.height+=1;
  58         value= val;
  59         screenLocation= loc;
  60         screenLocation.x-=strsize.width/2;
  61         screenLocation.y-=strsize.height/2;
  62         _animationCount= count;
  63         image= [[NSImage alloc] initWithSize:strsize];
  64         [image lockFocus];
  65         [stringAttributes setObject:[NSColor blackColor] forKey:NSForegroundColorAttributeName];
  66         [str drawAtPoint:NSMakePoint(2,0) withAttributes:stringAttributes];
  67         [stringAttributes setObject:[NSColor yellowColor] forKey:NSForegroundColorAttributeName];
  68         [str drawAtPoint:NSMakePoint(1,1) withAttributes:stringAttributes];
  69         [image unlockFocus];
  70
  71         // Open GL
  72         //
  73         sprite = [[OpenGLSprite alloc] initWithImage:image
  74                                        cropRectangle:NSMakeRect(0, 0, [image size].width, [image size].height)
  75                                                 size:[image size]];
  76         //
  77     }
  78     return self;
  79 }
  80
  81 - (void)dealloc
  82 {
  83   [image release];
  84   [sprite release];
  85
  86   [super dealloc];
  87 }
  88
  89 -(void)drawImage
  90 {
  91     float alpha= (float)_animationCount/20;
  92     if (alpha>1) {
  93         alpha= 1;
  94     }
  95     [image compositeToPoint:screenLocation operation:NSCompositeSourceOver fraction:alpha];
  96 }
  97
  98 -(void)drawSprite
  99 {
 100     float alpha= (float)_animationCount/20;
 101     if (alpha>1) {
 102         alpha= 1;
 103     }
 104     [sprite blitToX:screenLocation.x
 105                   Y:screenLocation.y
 106                   Z:SCOREBUBBLE_SPRITE_Z
 107               Alpha:alpha];
 108 }
 109
 110 -(int)animate
 111 {
 112     if (_animationCount>0) {
 113         screenLocation.y++;
 114         _animationCount--;
 115     }
 116     return _animationCount;
 117 }
 118
 119 -(int)value
 120 {
 121     return value;
 122 }
 123
 124 -(NSImage *)image
 125 {
 126     return image;
 127 }
 128
 129 -(NSPoint)screenLocation
 130 {
 131     return screenLocation;
 132 }
 133
 134 @end