Oolite 1.91.0.7644-241112-7f5034b
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OOMaterial.m
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1/*
2
3OOMaterial.m
4
5
6Copyright (C) 2007-2013 Jens Ayton and contributors
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in all
16copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24SOFTWARE.
25
26*/
27
28#import "OOMaterial.h"
30#import "OOLogging.h"
31
32
34
35
36@implementation OOMaterial
37
38+ (void)setUp
39{
40 // I thought we'd need this, but the stuff I needed it for turned out to be problematic. Maybe in future. -- Ahruman
41}
42
43
44- (void)dealloc
45{
46 // Ensure cleanup happens; doing it more than once is safe.
47 [self willDealloc];
48
49 [super dealloc];
50}
51
52
53- (NSString *)descriptionComponents
54{
55 return [NSString stringWithFormat:@"\"%@\"", [self name]];
56}
57
58
59- (NSString *)name
60{
62 return nil;
63}
64
65
66// Make this the current GL shader program.
67- (void)apply
68{
69 [sActiveMaterial unapplyWithNext:self];
70 [sActiveMaterial release];
72
73 if ([self doApply])
74 {
75 sActiveMaterial = [self retain];
76 }
77}
78
79
80+ (void)applyNone
81{
82 [sActiveMaterial unapplyWithNext:nil];
83 [sActiveMaterial release];
85}
86
87
89{
90 return [[sActiveMaterial retain] autorelease];
91}
92
93
95{
96
97}
98
99
100- (BOOL) isFinishedLoading
101{
102 return YES;
103}
104
105
106- (void)setBindingTarget:(id<OOWeakReferenceSupport>)target
107{
108
109}
110
111
113{
114 return NO;
115}
116
117
118#if OO_MULTITEXTURE
119- (NSUInteger) countOfTextureUnitsWithBaseCoordinates
120{
121 return 1;
122}
123#endif
124
125
126#ifndef NDEBUG
127- (NSSet *) allTextures
128{
129 return nil;
130}
131#endif
132
133@end
134
135
136@implementation OOMaterial (OOSubclassInterface)
137
138- (BOOL)doApply
139{
141 return NO;
142}
143
144
145- (void)unapplyWithNext:(OOMaterial *)next
146{
147 // Do nothing.
148}
149
150
151- (void)willDealloc
152{
153 if (EXPECT_NOT(sActiveMaterial == self))
154 {
155 OOLog(@"shader.dealloc.imbalance", @"%@", @"***** Material deallocated while active, indicating a retain/release imbalance.");
156 [self unapplyWithNext:nil];
158 }
159}
160
161@end
#define EXPECT_NOT(x)
#define OOLogGenericParameterError()
Definition OOLogging.h:125
#define OOLogGenericSubclassResponsibility()
Definition OOLogging.h:129
#define OOLog(class, format,...)
Definition OOLogging.h:88
static OOMaterial * sActiveMaterial
Definition OOMaterial.m:33
return nil
void dealloc()
Definition OOMaterial.m:44
void apply()
Definition OOMaterial.m:67
void ensureFinishedLoading()
Definition OOMaterial.m:94
OOMaterial * current()
Definition OOMaterial.m:88
BOOL doApply()
Definition OOMaterial.m:138
BOOL isFinishedLoading()
Definition OOMaterial.m:100
void unapplyWithNext:(OOMaterial *next)
Definition OOMaterial.m:145
void setUp()
Definition OOMaterial.m:38
NSString * descriptionComponents()
Definition OOMaterial.m:53
void applyNone()
Definition OOMaterial.m:80
BOOL wantsNormalsAsTextureCoordinates()
Definition OOMaterial.m:112
NSString * name()
Definition OOMaterial.m:59
NSSet * allTextures()
Definition OOMaterial.m:127