1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: gfx_FrustumProjectionUpdater.cpp
4
5 Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain
8 proprietary information of Nintendo of America Inc. and/or Nintendo
9 Company Ltd., and are protected by Federal copyright law. They may
10 not be disclosed to third parties or copied or duplicated in any form,
11 in whole or in part, without the prior written consent of Nintendo.
12
13 $Revision: 17185 $
14 *---------------------------------------------------------------------------*/
15
16 #include "precompiled.h"
17 #include <nw/gfx/gfx_FrustumProjectionUpdater.h>
18 #include <nw/os/os_Memory.h>
19 #include <nw/ut/ut_Rect.h>
20
21 namespace nw
22 {
23 namespace gfx
24 {
25
26 NW_UT_RUNTIME_TYPEINFO_DEFINITION(FrustumProjectionUpdater,CameraProjectionUpdater);
27
28 //----------------------------------------
29 FrustumProjectionUpdater*
Create(os::IAllocator * allocator)30 FrustumProjectionUpdater::Create(os::IAllocator* allocator)
31 {
32 NW_NULL_ASSERT(allocator);
33
34 void* updaterMemory = allocator->Alloc(sizeof(FrustumProjectionUpdater));
35 NW_NULL_ASSERT(updaterMemory);
36
37 void* dataMemory
38 = allocator->AllocAndFill(sizeof(ResFrustumProjectionUpdaterData), NULL);
39
40 ResFrustumProjectionUpdaterData* buffer =
41 new(dataMemory) ResFrustumProjectionUpdaterData();
42
43 buffer->typeInfo = ResFrustumProjectionUpdater::TYPE_INFO;
44 buffer->m_Near = PROJECTION_NEAR_CLIP;
45 buffer->m_Far = PROJECTION_FAR_CLIP;
46 buffer->m_Rect.m_AspectRatio = PROJECTION_ASPECT_RATIO;
47 buffer->m_Rect.m_Center = PROJECTION_CENTER;
48 buffer->m_Rect.m_Height = PROJECTION_HEIGHT;
49
50 ResFrustumProjectionUpdater resUpdater = ResFrustumProjectionUpdater(buffer);
51
52 return new(updaterMemory) FrustumProjectionUpdater(allocator, true, resUpdater);
53 }
54
55 //----------------------------------------
56 FrustumProjectionUpdater*
Create(os::IAllocator * allocator,ResFrustumProjectionUpdater resUpdater)57 FrustumProjectionUpdater::Create(os::IAllocator* allocator, ResFrustumProjectionUpdater resUpdater)
58 {
59 NW_NULL_ASSERT(allocator);
60
61 void* updaterMemory = allocator->Alloc(sizeof(FrustumProjectionUpdater));
62 NW_NULL_ASSERT(updaterMemory);
63
64 return new(updaterMemory) FrustumProjectionUpdater(allocator, false, resUpdater);
65 }
66
67 //----------------------------------------
FrustumProjectionUpdater(os::IAllocator * allocator,bool isDynamic,ResFrustumProjectionUpdater resUpdater)68 FrustumProjectionUpdater::FrustumProjectionUpdater(
69 os::IAllocator* allocator,
70 bool isDynamic,
71 ResFrustumProjectionUpdater resUpdater
72 )
73 : CameraProjectionUpdater(allocator, isDynamic),
74 m_Resource(resUpdater)
75 {
76 }
77
78 //----------------------------------------
~FrustumProjectionUpdater()79 FrustumProjectionUpdater::~FrustumProjectionUpdater()
80 {
81 if (this->IsDynamic() && this->m_Resource.IsValid())
82 {
83 this->GetAllocator().Free(m_Resource.ptr());
84 }
85 }
86
87
88 //----------------------------------------
89 void
Update(math::MTX44 * projectionMatrix,math::MTX34 * textureProjectionMatrix)90 FrustumProjectionUpdater::Update(math::MTX44* projectionMatrix, math::MTX34* textureProjectionMatrix)
91 {
92 NW_ASSERT(m_Resource.IsValid());
93
94 float halfWidth = m_Resource.GetRect().GetWidth() / 2.0f;
95 float halfHeight = m_Resource.GetRect().GetHeight() / 2.0f;
96
97 float left = m_Resource.GetRect().GetCenter().x - halfWidth;
98 float right = m_Resource.GetRect().GetCenter().x + halfWidth;
99 float bottom = m_Resource.GetRect().GetCenter().y - halfHeight;
100 float top = m_Resource.GetRect().GetCenter().y + halfHeight;
101 float near = m_Resource.GetNear();
102 float far = m_Resource.GetFar();
103
104 math::MTX44FrustumPivot(
105 projectionMatrix,
106 left,
107 right,
108 bottom,
109 top,
110 near,
111 far,
112 this->GetPivotDirection());
113
114 math::MTX34TextureProjectionFrustum(
115 textureProjectionMatrix,
116 left,
117 right,
118 bottom,
119 top,
120 near,
121 this->TextureScale().x,
122 this->TextureScale().y,
123 this->TextureTranslate().x,
124 this->TextureTranslate().y);
125 }
126
127 } // namespace gfx
128 } // namespace nw
129