1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: gfx_OrthoProjectionUpdater.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: 28760 $
14 *---------------------------------------------------------------------------*/
15
16 #include "precompiled.h"
17 #include <nw/gfx/gfx_OrthoProjectionUpdater.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(OrthoProjectionUpdater,CameraProjectionUpdater);
27
28 //----------------------------------------
29 OrthoProjectionUpdater*
Create(os::IAllocator * allocator)30 OrthoProjectionUpdater::Create(os::IAllocator* allocator)
31 {
32 NW_NULL_ASSERT(allocator);
33
34 void* updaterMemory = allocator->Alloc(sizeof(OrthoProjectionUpdater));
35 NW_NULL_ASSERT(updaterMemory);
36
37 void* dataMemory
38 = AllocateAndFill<ResOrthoProjectionUpdaterData>(allocator, 0);
39
40 ResOrthoProjectionUpdaterData* buffer =
41 new(dataMemory) ResOrthoProjectionUpdaterData();
42
43 buffer->typeInfo = ResOrthoProjectionUpdater::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 ResOrthoProjectionUpdater resUpdater = ResOrthoProjectionUpdater(buffer);
51
52 return new(updaterMemory) OrthoProjectionUpdater(allocator, true, resUpdater);
53 }
54
55 //----------------------------------------
56 OrthoProjectionUpdater*
Create(os::IAllocator * allocator,ResOrthoProjectionUpdater resUpdater)57 OrthoProjectionUpdater::Create(
58 os::IAllocator* allocator,
59 ResOrthoProjectionUpdater resUpdater)
60 {
61 NW_NULL_ASSERT(allocator);
62
63 void* updaterMemory = allocator->Alloc(sizeof(OrthoProjectionUpdater));
64 NW_NULL_ASSERT(updaterMemory);
65
66 return new(updaterMemory) OrthoProjectionUpdater(allocator, false, resUpdater);
67 }
68
69 //----------------------------------------
OrthoProjectionUpdater(os::IAllocator * allocator,bool isDynamic,ResOrthoProjectionUpdater resUpdater)70 OrthoProjectionUpdater::OrthoProjectionUpdater(
71 os::IAllocator* allocator,
72 bool isDynamic,
73 ResOrthoProjectionUpdater resUpdater
74 )
75 : CameraProjectionUpdater(allocator, isDynamic),
76 m_Resource(resUpdater)
77 {
78 }
79
80 //----------------------------------------
~OrthoProjectionUpdater()81 OrthoProjectionUpdater::~OrthoProjectionUpdater()
82 {
83 if (this->IsDynamic() && this->m_Resource.IsValid())
84 {
85 this->GetAllocator().Free(m_Resource.ptr());
86 }
87 }
88
89 //----------------------------------------
90 void
Update(math::MTX44 * projectionMatrix,math::MTX34 * textureProjectionMatrix)91 OrthoProjectionUpdater::Update(math::MTX44* projectionMatrix, math::MTX34* textureProjectionMatrix)
92 {
93 NW_ASSERT(m_Resource.IsValid());
94 NW_ASSERT(m_Resource.GetRect().GetAspectRatio() != 0);
95 NW_ASSERT(m_Resource.GetRect().GetHeight() != 0);
96
97 float halfWidth = m_Resource.GetRect().GetWidth() / 2.0f;
98 float halfHeight = m_Resource.GetRect().GetHeight() / 2.0f;
99
100 float left = m_Resource.GetRect().GetCenter().x - halfWidth;
101 float right = m_Resource.GetRect().GetCenter().x + halfWidth;
102 float bottom = m_Resource.GetRect().GetCenter().y - halfHeight;
103 float top = m_Resource.GetRect().GetCenter().y + halfHeight;
104
105 float near = m_Resource.GetNear();
106 float far = m_Resource.GetFar();
107 NW_ASSERT(near != far);
108
109 math::MTX44OrthoPivot(
110 projectionMatrix,
111 left,
112 right,
113 bottom,
114 top,
115 near,
116 far,
117 this->GetPivotDirection());
118
119 math::MTX34TextureProjectionOrtho(
120 textureProjectionMatrix,
121 left,
122 right,
123 bottom,
124 top,
125 this->TextureScale().x,
126 this->TextureScale().y,
127 this->TextureTranslate().x,
128 this->TextureTranslate().y);
129 }
130
131 } // namespace gfx
132 } // namespace nw
133