1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: gfx_OrthoProjectionUpdater.cpp
4
5 Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain proprietary
8 information of Nintendo and/or its licensed developers and are protected by
9 national and international copyright laws. They may not be disclosed to third
10 parties or copied or duplicated in any form, in whole or in part, without the
11 prior written consent of Nintendo.
12
13 The content herein is highly confidential and should be handled accordingly.
14
15 $Revision: 31311 $
16 *---------------------------------------------------------------------------*/
17
18 #include "precompiled.h"
19 #include <nw/gfx/gfx_OrthoProjectionUpdater.h>
20 #include <nw/os/os_Memory.h>
21 #include <nw/ut/ut_Rect.h>
22
23 namespace nw
24 {
25 namespace gfx
26 {
27
28 NW_UT_RUNTIME_TYPEINFO_DEFINITION(OrthoProjectionUpdater,CameraProjectionUpdater);
29
30 //----------------------------------------
31 OrthoProjectionUpdater*
Create(os::IAllocator * allocator)32 OrthoProjectionUpdater::Create(os::IAllocator* allocator)
33 {
34 NW_NULL_ASSERT(allocator);
35
36 void* updaterMemory = allocator->Alloc(sizeof(OrthoProjectionUpdater));
37 NW_NULL_ASSERT(updaterMemory);
38
39 void* dataMemory
40 = AllocateAndFill<ResOrthoProjectionUpdaterData>(allocator, 0);
41
42 ResOrthoProjectionUpdaterData* buffer =
43 new(dataMemory) ResOrthoProjectionUpdaterData();
44
45 buffer->typeInfo = ResOrthoProjectionUpdater::TYPE_INFO;
46 buffer->m_Near = PROJECTION_NEAR_CLIP;
47 buffer->m_Far = PROJECTION_FAR_CLIP;
48 buffer->m_Rect.m_AspectRatio = PROJECTION_ASPECT_RATIO;
49 buffer->m_Rect.m_Center = PROJECTION_CENTER;
50 buffer->m_Rect.m_Height = PROJECTION_HEIGHT;
51
52 ResOrthoProjectionUpdater resUpdater = ResOrthoProjectionUpdater(buffer);
53
54 return new(updaterMemory) OrthoProjectionUpdater(allocator, true, resUpdater);
55 }
56
57 //----------------------------------------
58 OrthoProjectionUpdater*
Create(os::IAllocator * allocator,ResOrthoProjectionUpdater resUpdater)59 OrthoProjectionUpdater::Create(
60 os::IAllocator* allocator,
61 ResOrthoProjectionUpdater resUpdater)
62 {
63 NW_NULL_ASSERT(allocator);
64
65 void* updaterMemory = allocator->Alloc(sizeof(OrthoProjectionUpdater));
66 NW_NULL_ASSERT(updaterMemory);
67
68 return new(updaterMemory) OrthoProjectionUpdater(allocator, false, resUpdater);
69 }
70
71 //----------------------------------------
OrthoProjectionUpdater(os::IAllocator * allocator,bool isDynamic,ResOrthoProjectionUpdater resUpdater)72 OrthoProjectionUpdater::OrthoProjectionUpdater(
73 os::IAllocator* allocator,
74 bool isDynamic,
75 ResOrthoProjectionUpdater resUpdater
76 )
77 : CameraProjectionUpdater(allocator, isDynamic),
78 m_Resource(resUpdater)
79 {
80 }
81
82 //----------------------------------------
~OrthoProjectionUpdater()83 OrthoProjectionUpdater::~OrthoProjectionUpdater()
84 {
85 if (this->IsDynamic() && this->m_Resource.IsValid())
86 {
87 this->GetAllocator().Free(m_Resource.ptr());
88 }
89 }
90
91 //----------------------------------------
92 void
Update(math::MTX44 * projectionMatrix,math::MTX34 * textureProjectionMatrix)93 OrthoProjectionUpdater::Update(math::MTX44* projectionMatrix, math::MTX34* textureProjectionMatrix)
94 {
95 NW_ASSERT(m_Resource.IsValid());
96 NW_ASSERT(m_Resource.GetRect().GetAspectRatio() != 0);
97 NW_ASSERT(m_Resource.GetRect().GetHeight() != 0);
98
99 float halfWidth = m_Resource.GetRect().GetWidth() / 2.0f;
100 float halfHeight = m_Resource.GetRect().GetHeight() / 2.0f;
101
102 float left = m_Resource.GetRect().GetCenter().x - halfWidth;
103 float right = m_Resource.GetRect().GetCenter().x + halfWidth;
104 float bottom = m_Resource.GetRect().GetCenter().y - halfHeight;
105 float top = m_Resource.GetRect().GetCenter().y + halfHeight;
106
107 float near = m_Resource.GetNear();
108 float far = m_Resource.GetFar();
109 NW_ASSERT(near != far);
110
111 math::MTX44OrthoPivot(
112 projectionMatrix,
113 left,
114 right,
115 bottom,
116 top,
117 near,
118 far,
119 this->GetPivotDirection());
120
121 math::MTX34TextureProjectionOrtho(
122 textureProjectionMatrix,
123 left,
124 right,
125 bottom,
126 top,
127 this->TextureScale().x,
128 this->TextureScale().y,
129 this->TextureTranslate().x,
130 this->TextureTranslate().y);
131 }
132
133 } // namespace gfx
134 } // namespace nw
135