1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the implementation of Function.
#include "core/cross/function.h"
namespace o3d {
O3D_DEFN_CLASS(FunctionContext, ObjectBase);
O3D_DEFN_CLASS(Function, NamedObject);
O3D_DEFN_CLASS(ParamFunction, RefParamBase);
O3D_DEFN_CLASS(FunctionEval, ParamObject);
FunctionContext::FunctionContext(ServiceLocator* service_locator)
: ObjectBase(service_locator) {
}
Function::Function(ServiceLocator* service_locator)
: NamedObject(service_locator),
weak_pointer_manager_(this) {
}
const char* FunctionEval::kInputParamName =
O3D_STRING_CONSTANT("input");
const char* FunctionEval::kFunctionObjectParamName =
O3D_STRING_CONSTANT("functionObject");
const char* FunctionEval::kOutputParamName =
O3D_STRING_CONSTANT("output");
FunctionEval::FunctionEval(ServiceLocator* service_locator)
: ParamObject(service_locator),
function_context_(NULL) {
RegisterParamRef(kInputParamName, &input_param_);
RegisterParamRef(kFunctionObjectParamName, &function_object_param_);
SlaveParamFloat::RegisterParamRef(kOutputParamName,
&output_param_,
this);
}
void FunctionEval::UpdateOutputs() {
if (output_param_->input_connection() == NULL) {
Function* function = function_object_param_->value();
if (function) {
// If we don't have a function context or if the one we have is the wrong
// type then get a new one.
if (!function_context_ ||
!function_context_->IsA(function->GetFunctionContextClass())) {
function_context_.Reset();
function_context_ = FunctionContext::Ref(
function->CreateFunctionContext());
}
output_param_->set_dynamic_value(
function->Evaluate(input_param_->value(), function_context_.Get()));
} else {
output_param_->set_dynamic_value(input_param_->value());
}
}
}
ObjectBase::Ref FunctionEval::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref(new FunctionEval(service_locator));
}
ObjectBase::Ref ParamFunction::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref(new ParamFunction(service_locator, false, false));
}
} // namespace o3d
|
