diff options
Diffstat (limited to 'src/Authoring/Studio/Render/StudioVisualAidWidget.cpp')
| -rw-r--r-- | src/Authoring/Studio/Render/StudioVisualAidWidget.cpp | 730 |
1 files changed, 0 insertions, 730 deletions
diff --git a/src/Authoring/Studio/Render/StudioVisualAidWidget.cpp b/src/Authoring/Studio/Render/StudioVisualAidWidget.cpp deleted file mode 100644 index faadd7e6..00000000 --- a/src/Authoring/Studio/Render/StudioVisualAidWidget.cpp +++ /dev/null @@ -1,730 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "Qt3DSCommonPrecompile.h" -#include "StudioWidgetImpl.h" -#include "foundation/Qt3DSAtomic.h" -#include "render/Qt3DSRenderContext.h" -#include "render/Qt3DSRenderVertexBuffer.h" -#include "Qt3DSRenderNode.h" -#include "foundation/Qt3DSContainers.h" -#include "Qt3DSRenderShaderCodeGenerator.h" -#include "render/Qt3DSRenderShaderProgram.h" -#include "StudioUtils.h" -#include "StudioPreferences.h" -#include "StudioVisualAidWidget.h" -#include "Qt3DSRenderCamera.h" -#include "Qt3DSRenderLight.h" -#include "OptimizedArithmetic.h" - -namespace qt3ds { -namespace widgets { - -static const float fepsilon = 1e-6f; -static const float pointLightOuterRadius = 40.0f; -static const float directionalLightRadius = 40.0f; -static const float directionalLightLength = 100.0f; - -SVisualAidWidget::SVisualAidWidget(NVAllocatorCallback &inAlloc) - : m_node(nullptr) - , m_billboard(nullptr) - , m_cameraBox(nullptr) - , m_directionalLight(nullptr) - , m_pointLight(nullptr) - , m_areaLight(nullptr) - , m_renderCameraShader(nullptr) - , m_renderShader(nullptr) - , m_billboardShader(nullptr) - , m_billboardCameraTexture(nullptr) - , m_billboardLightTexture(nullptr) - , m_selected(false) - , m_allocator(inAlloc) - , mRefCount(0) -{ - -} - -NVConstDataRef<NVRenderVertexBufferEntry> -SVisualAidWidget::getCameraBoxAttributesAndStride(QT3DSU32 &stride) -{ - static NVRenderVertexBufferEntry theEntries[] = { - NVRenderVertexBufferEntry("attr_pos", NVRenderComponentTypes::QT3DSF32, 4) - }; - - stride = 4 * sizeof(QT3DSF32); - - return toConstDataRef(theEntries, 1); -} - -NVConstDataRef<NVRenderVertexBufferEntry> -SVisualAidWidget::getLightAttributesAndStride(QT3DSU32 &stride) -{ - static NVRenderVertexBufferEntry theEntries[] = { - NVRenderVertexBufferEntry("attr_pos", NVRenderComponentTypes::QT3DSF32, 3) - }; - - stride = 3 * sizeof(QT3DSF32); - - return toConstDataRef(theEntries, 1); -} - -NVConstDataRef<NVRenderVertexBufferEntry> -SVisualAidWidget::getBillboardAttributesAndStride(QT3DSU32 &stride) -{ - static NVRenderVertexBufferEntry theEntries[] = { - NVRenderVertexBufferEntry("attr_pos", NVRenderComponentTypes::QT3DSF32, 3), - NVRenderVertexBufferEntry("attr_tc", NVRenderComponentTypes::QT3DSF32, 2, - 3 * sizeof(QT3DSF32)) - }; - - stride = 6 * sizeof(QT3DSF32); - - return toConstDataRef(theEntries, 2); -} - - -NVRenderInputAssembler *SVisualAidWidget::createCameraBox(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr("CameraBox"); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) - return retval; - - nvvector<QT3DSVec4> theVertexData(m_allocator, "SVisualAidWidget::theVertexData"); - nvvector<QT3DSI8> theIndexData(m_allocator, "SVisualAidWidget::theIndexData"); - - // 9 vertices, origin and near and far rectangles in ndc - theVertexData.push_back(QT3DSVec4(0.0, 0.0, 0.0, 0.0)); - theVertexData.push_back(QT3DSVec4(-1.0, -1.0, -1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(-1.0, 1.0, -1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(1.0, 1.0, -1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(1.0, -1.0, -1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(-1.0, -1.0, 1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(-1.0, 1.0, 1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(1.0, 1.0, 1.0, 1.0)); - theVertexData.push_back(QT3DSVec4(1.0, -1.0, 1.0, 1.0)); - - // origin to near - theIndexData.push_back(0); theIndexData.push_back(1); - theIndexData.push_back(0); theIndexData.push_back(2); - theIndexData.push_back(0); theIndexData.push_back(3); - theIndexData.push_back(0); theIndexData.push_back(4); - // near rect - theIndexData.push_back(1); theIndexData.push_back(2); - theIndexData.push_back(2); theIndexData.push_back(3); - theIndexData.push_back(3); theIndexData.push_back(4); - theIndexData.push_back(4); theIndexData.push_back(1); - // near to far - theIndexData.push_back(1); theIndexData.push_back(5); - theIndexData.push_back(2); theIndexData.push_back(6); - theIndexData.push_back(3); theIndexData.push_back(7); - theIndexData.push_back(4); theIndexData.push_back(8); - // far rect - theIndexData.push_back(5); theIndexData.push_back(6); - theIndexData.push_back(6); theIndexData.push_back(7); - theIndexData.push_back(7); theIndexData.push_back(8); - theIndexData.push_back(8); theIndexData.push_back(5); - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - getCameraBoxAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer( - theItemName, NVRenderComponentTypes::QT3DSU8, theIndexData.size(), - toU8DataRef(theIndexData.begin(), theIndexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; -} - -NVRenderInputAssembler *SVisualAidWidget::createBillboard(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr("Billboard"); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) - return retval; - - nvvector<QT3DSVec3> theVertexData(m_allocator, "SVisualAidWidget::theVertexData"); - nvvector<QT3DSI8> theIndexData(m_allocator, "SVisualAidWidget::theIndexData"); - - theVertexData.push_back(QT3DSVec3(-1.0, -1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(0.0, 0.0, 0.0)); - theVertexData.push_back(QT3DSVec3(-1.0, 1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(0.0, 1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(1.0, 1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(1.0, 1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(1.0, -1.0, 0.0)); - theVertexData.push_back(QT3DSVec3(1.0, 0.0, 0.0)); - - theIndexData.push_back(0); theIndexData.push_back(1); theIndexData.push_back(2); - theIndexData.push_back(0); theIndexData.push_back(3); theIndexData.push_back(2); - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - getBillboardAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer( - theItemName, NVRenderComponentTypes::QT3DSU8, theIndexData.size(), - toU8DataRef(theIndexData.begin(), theIndexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; -} - -NVRenderInputAssembler *SVisualAidWidget::createDirectionalLight( - IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext) -{ - CRegisteredString theItemName - = inRenderContext.GetStringTable().RegisterStr("DirectionalLight"); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) - return retval; - - nvvector<QT3DSVec3> theVertexData(m_allocator, "SVisualAidWidget::theVertexData"); - nvvector<QT3DSI8> theIndexData(m_allocator, "SVisualAidWidget::theIndexData"); - - const int ringVertices = 96; - int skip = 1; - int v = 0; - - // disc with parallel lines - for (int i = 0; i < ringVertices; ++i) { - float x = directionalLightRadius * cos(2.0 * M_PI * i / ringVertices); - float y = directionalLightRadius * sin(2.0 * M_PI * i / ringVertices); - theVertexData.push_back(QT3DSVec3(x, y, 0.0)); - if (i > 0) { - theIndexData.push_back(v - skip); - theIndexData.push_back(v); - skip = 1; - } - ++v; - if ((i%8) == 1) { - theVertexData.push_back(QT3DSVec3(x, y, -directionalLightLength)); - theIndexData.push_back(v - 1); - theIndexData.push_back(v); - skip = 2; - ++v; - } - } - theIndexData.push_back(v - skip); - theIndexData.push_back(0); - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - getLightAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer( - theItemName, NVRenderComponentTypes::QT3DSU8, theIndexData.size(), - toU8DataRef(theIndexData.begin(), theIndexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; -} - -NVRenderInputAssembler *SVisualAidWidget::createPointLight(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr("PointLight"); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) - return retval; - - nvvector<QT3DSVec3> theVertexData(m_allocator, "SVisualAidWidget::theVertexData"); - nvvector<QT3DSI16> theIndexData(m_allocator, "SVisualAidWidget::theIndexData"); - - const int latSlices = 7; - const float innerRadius = pointLightOuterRadius / 3.0f; - const float outerRadius = pointLightOuterRadius; - -#define lngVar(n) ((n&1) ? -3.0 : 3.0) -#define latVar(n) ((n&1) ? -2.0 : 2.0) - - int v = 0; - - for (int i = 0; i <= latSlices; ++i) { - float lat = (175 / latSlices) * i + 5 + latVar(i); - int longSlices = latSlices * 2 * sin(lat / 180 * M_PI); - lat -= 90.0; - - for (int j = 0; j < longSlices; ++j) { - float lng = (360 / longSlices) * j + ((j & 1) ? -180.0 : 0.0); - - float q = cos((lngVar(j) + lat) / 180 * M_PI); - float x = cos(2.0 * lng / 180 * M_PI) * q; - float y = sin((lngVar(j) + lat) / 180 * M_PI); - float z = sin(2.0 * lng / 180 * M_PI) * q; - - theVertexData.push_back(QT3DSVec3(x, y, z) * innerRadius); - theVertexData.push_back(QT3DSVec3(x, y, z) * outerRadius); - theIndexData.push_back(v); - theIndexData.push_back(v + 1); - v += 2; - } - } - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - getLightAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer( - theItemName, NVRenderComponentTypes::QT3DSU16, theIndexData.size() * 2, - toU8DataRef(theIndexData.begin(), theIndexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; -} - -NVRenderInputAssembler *SVisualAidWidget::createAreaLight(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr("AreaLight"); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) - return retval; - - nvvector<QT3DSVec3> theVertexData(m_allocator, "SVisualAidWidget::theVertexData"); - nvvector<QT3DSI8> theIndexData(m_allocator, "SVisualAidWidget::theIndexData"); - - theVertexData.push_back(QT3DSVec3(-1, -1, 0)); - theVertexData.push_back(QT3DSVec3(1,- 1, 0)); - theVertexData.push_back(QT3DSVec3(1, 1, 0)); - theVertexData.push_back(QT3DSVec3(-1, 1, 0)); - theIndexData.push_back(0); theIndexData.push_back(1); - theIndexData.push_back(1); theIndexData.push_back(2); - theIndexData.push_back(2); theIndexData.push_back(3); - theIndexData.push_back(3); theIndexData.push_back(0); - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - getLightAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer( - theItemName, NVRenderComponentTypes::QT3DSU8, theIndexData.size(), - toU8DataRef(theIndexData.begin(), theIndexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; -} - -NVRenderShaderProgram *SVisualAidWidget::createRenderShader(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - CRegisteredString itemName = inRenderContext.GetStringTable().RegisterStr("LineShader"); - NVRenderShaderProgram *retval = inWidgetContext.GetShader(itemName); - if (retval) - return retval; - - IShaderProgramGenerator &generator(inWidgetContext.GetProgramGenerator()); - generator.BeginProgram(); - IShaderStageGenerator &vertGenerator( - *generator.GetStage(ShaderGeneratorStages::Vertex)); - IShaderStageGenerator &fragGenerator( - *generator.GetStage(ShaderGeneratorStages::Fragment)); - vertGenerator.AddIncoming("attr_pos", "vec3"); - vertGenerator.AddUniform("mvpMatrix", "mat4"); - - vertGenerator.Append("void main() {"); - vertGenerator.Append("\tgl_Position = mvpMatrix * vec4(attr_pos, 1.0);"); - vertGenerator.Append("}"); - - fragGenerator.AddUniform("color", "vec3"); - fragGenerator.AddUniform("opacity", "float"); - fragGenerator.Append("void main() {"); - fragGenerator.Append("\tgl_FragColor.rgb = color;"); - fragGenerator.Append("\tgl_FragColor.a = opacity;"); - fragGenerator.Append("}"); - - return inWidgetContext.CompileAndStoreShader(itemName); -} - -NVRenderShaderProgram *SVisualAidWidget::createRenderCameraShader( - IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext) -{ - CRegisteredString itemName = inRenderContext.GetStringTable().RegisterStr("CameraRenderShader"); - NVRenderShaderProgram *retval = inWidgetContext.GetShader(itemName); - if (retval) - return retval; - - IShaderProgramGenerator &generator(inWidgetContext.GetProgramGenerator()); - generator.BeginProgram(); - IShaderStageGenerator &vertGenerator( - *generator.GetStage(ShaderGeneratorStages::Vertex)); - IShaderStageGenerator &fragGenerator( - *generator.GetStage(ShaderGeneratorStages::Fragment)); - vertGenerator.AddIncoming("attr_pos", "vec4"); - vertGenerator.AddUniform("invProjMatrix", "mat4"); - vertGenerator.AddUniform("mvpMatrix", "mat4"); - vertGenerator.AddUniform("orthographic", "int"); - - vertGenerator.Append("void main() {"); - vertGenerator.Append("\tvec4 pos = vec4(0.0, 0.0, 0.0, 1.0);"); - vertGenerator.Append("\tif (attr_pos.w != 0.0) {"); - vertGenerator.Append("\t\tpos = invProjMatrix * attr_pos;"); - vertGenerator.Append("\t\tpos = pos / pos.w;"); - vertGenerator.Append("\t}"); - vertGenerator.Append("\tgl_Position = mvpMatrix * vec4(pos.xyz, 1.0);"); - vertGenerator.Append("}"); - - fragGenerator.AddUniform("color", "vec3"); - fragGenerator.AddUniform("opacity", "float"); - fragGenerator.Append("void main() {"); - fragGenerator.Append("\tgl_FragColor.rgb = color;"); - fragGenerator.Append("\tgl_FragColor.a = opacity;"); - fragGenerator.Append("}"); - - return inWidgetContext.CompileAndStoreShader(itemName); -} - -NVRenderShaderProgram *SVisualAidWidget::createBillboardShader( - IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext) -{ - CRegisteredString itemName = inRenderContext.GetStringTable().RegisterStr("BillboardShader"); - NVRenderShaderProgram *retval = inWidgetContext.GetShader(itemName); - if (retval) - return retval; - - IShaderProgramGenerator &generator(inWidgetContext.GetProgramGenerator()); - generator.BeginProgram(); - IShaderStageGenerator &vertGenerator( - *generator.GetStage(ShaderGeneratorStages::Vertex)); - IShaderStageGenerator &fragGenerator( - *generator.GetStage(ShaderGeneratorStages::Fragment)); - - vertGenerator.AddIncoming("attr_pos", "vec3"); - vertGenerator.AddIncoming("attr_tc", "vec2"); - vertGenerator.AddUniform("billboardMatrix", "mat4"); - vertGenerator.AddUniform("anchor", "vec2"); - vertGenerator.AddOutgoing("texcoord", "vec2"); - - vertGenerator.Append("void main() {"); - vertGenerator.Append("texcoord = attr_tc;"); - vertGenerator.Append("\tgl_Position = billboardMatrix * vec4(attr_pos.x + anchor.x, " \ - "\tattr_pos.y + anchor.y, attr_pos.z, 1.0);"); - vertGenerator.Append("}"); - - fragGenerator.AddIncoming("texcoord", "vec2"); - fragGenerator.AddUniform("color", "vec3"); - fragGenerator.AddUniform("opacity", "float"); - fragGenerator.AddUniform("billboardTexture", "sampler2D"); - fragGenerator.Append("void main() {"); - fragGenerator.Append("\tgl_FragColor.rgb = texture2D(billboardTexture, texcoord).rgb;"); - fragGenerator.Append("\tgl_FragColor.a = texture2D(billboardTexture, texcoord).a * opacity;"); - //fragGenerator.Append("\tif (gl_FragColor.a <= 0.005) discard; "); - fragGenerator.Append("}"); - - return inWidgetContext.CompileAndStoreShader(itemName); -} - -void SVisualAidWidget::renderCamera(SNode *node, IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - SCamera *camera = static_cast<SCamera *>(node); - Q_ASSERT(camera); - QT3DSMat44 projection = camera->m_Projection; - QT3DSMat44 ip = projection.getInverse(); - - if (!m_cameraBox) - m_cameraBox = createCameraBox(inWidgetContext, inRenderContext); - if (!m_renderCameraShader) - m_renderCameraShader = createRenderCameraShader(inWidgetContext, inRenderContext); - - inRenderContext.SetInputAssembler(m_cameraBox); - inRenderContext.SetActiveShader(m_renderCameraShader); - inRenderContext.SetBlendingEnabled(false); - inRenderContext.SetDepthTestEnabled(true); - inRenderContext.SetDepthWriteEnabled(false); - inRenderContext.SetCullingEnabled(false); - - SWidgetRenderSetupResult theSetup(inWidgetContext, *node, RenderWidgetModes::Local); - - m_renderCameraShader->SetPropertyValue("orthographic", - camera->m_Flags.IsOrthographic() ? 1 : 0); - m_renderCameraShader->SetPropertyValue("invProjMatrix", ip); - m_renderCameraShader->SetPropertyValue("mvpMatrix", theSetup.m_PureProjection - * theSetup.m_WidgetInfo.m_NodeParentToCamera - * node->m_GlobalTransform); - - ::CColor color = CStudioPreferences::GetSingleBoundingBoxColor(); - QT3DSVec3 colorVec(color.GetRed() / 255.f, - color.GetGreen() / 255.f, - color.GetBlue() / 255.f); - - m_renderCameraShader->SetPropertyValue("color", m_selected ? colorVec : QT3DSVec3(1, 1, 1)); - inRenderContext.SetBlendFunction( - qt3ds::render::NVRenderBlendFunctionArgument( - qt3ds::render::NVRenderSrcBlendFunc::SrcAlpha, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha, - qt3ds::render::NVRenderSrcBlendFunc::One, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha)); - inRenderContext.SetBlendEquation( - qt3ds::render::NVRenderBlendEquationArgument( - NVRenderBlendEquation::Add, NVRenderBlendEquation::Add)); - inRenderContext.SetBlendingEnabled(true); - m_renderCameraShader->SetPropertyValue("opacity", 0.5f); - - inRenderContext.Draw(NVRenderDrawMode::Lines, m_cameraBox->GetIndexCount(), 0); -} - -void SVisualAidWidget::renderBillboard(SNode *node, IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - if (!m_billboard) - m_billboard = createBillboard(inWidgetContext, inRenderContext); - if (!m_billboardShader) - m_billboardShader = createBillboardShader(inWidgetContext, inRenderContext); - - if (!m_billboardCameraTexture) { - QImage img(":/images/Asset-Camera-Pick.png"); - img = img.mirrored(); - img = img.rgbSwapped(); - m_billboardCameraTexture = inRenderContext.CreateTexture2D(); - NVDataRef<QT3DSU8> data(img.bits(), img.byteCount()); - m_billboardCameraTexture->SetTextureData(data, 0, img.width(), img.height(), - NVRenderTextureFormats::RGBA8); - - img = QImage(":/images/Asset-Light-Pick.png"); - img = img.mirrored(); - img = img.rgbSwapped(); - m_billboardLightTexture = inRenderContext.CreateTexture2D(); - data = NVDataRef<QT3DSU8>(img.bits(), img.byteCount()); - m_billboardLightTexture->SetTextureData(data, 0, img.width(), img.height(), - NVRenderTextureFormats::RGBA8); - } - - inRenderContext.SetInputAssembler(m_billboard); - inRenderContext.SetActiveShader(m_billboardShader); - inRenderContext.SetBlendingEnabled(true); - inRenderContext.SetDepthTestEnabled(true); - inRenderContext.SetDepthWriteEnabled(false); - inRenderContext.SetCullingEnabled(false); - inRenderContext.SetBlendFunction( - qt3ds::render::NVRenderBlendFunctionArgument( - qt3ds::render::NVRenderSrcBlendFunc::SrcAlpha, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha, - qt3ds::render::NVRenderSrcBlendFunc::Zero, - qt3ds::render::NVRenderDstBlendFunc::One)); - inRenderContext.SetBlendEquation( - qt3ds::render::NVRenderBlendEquationArgument( - NVRenderBlendEquation::Add, NVRenderBlendEquation::Add)); - - SWidgetRenderSetupResult theSetup(inWidgetContext, *node, RenderWidgetModes::Local); - QT3DSMat44 billboardMatrix = QT3DSMat44::createIdentity(); - billboardMatrix.setPosition((theSetup.m_WidgetInfo.m_NodeParentToCamera - * node->m_GlobalTransform).getPosition()); - billboardMatrix.scale(QT3DSVec4(8, 8, 1, 1)); - billboardMatrix = theSetup.m_PureProjection * billboardMatrix; - - m_billboardShader->SetPropertyValue("billboardMatrix", billboardMatrix); - m_billboardShader->SetPropertyValue("billboardTexture", - node->m_Type == GraphObjectTypes::Camera - ? m_billboardCameraTexture.mPtr - : m_billboardLightTexture.mPtr); - m_billboardShader->SetPropertyValue("opacity", m_selected ? 0.9f : 0.7f); - m_billboardShader->SetPropertyValue("anchor", QT3DSVec2(-1, -1)); - - inRenderContext.Draw(NVRenderDrawMode::Triangles, m_billboard->GetIndexCount(), 0); -} - -void SVisualAidWidget::renderLight(SNode *node, IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - SLight *light = static_cast<SLight *>(node); - Q_ASSERT(light); - - NVRenderInputAssembler *input = nullptr; - QT3DSMat44 areaScaleMatrix = QT3DSMat44::createIdentity(); - - switch (light->m_LightType) { - case RenderLightTypes::Directional: { - if (!m_directionalLight) - m_directionalLight = createDirectionalLight(inWidgetContext, inRenderContext); - input = m_directionalLight; - } break; - - case RenderLightTypes::Point: { - if (!m_pointLight) - m_pointLight = createPointLight(inWidgetContext, inRenderContext); - input = m_pointLight; - } break; - - case RenderLightTypes::Area: { - const float w = light->m_AreaWidth * 0.5f; - const float h = light->m_AreaHeight * 0.5f; - areaScaleMatrix.scale(QT3DSVec4(w, h, 0.0, 1.0)); - if (!m_areaLight) - m_areaLight = createAreaLight(inWidgetContext, inRenderContext); - input = m_areaLight; - } break; - - default: - break; - } - if (input) { - if (!m_renderShader) - m_renderShader = createRenderShader(inWidgetContext, inRenderContext); - inRenderContext.SetInputAssembler(input); - inRenderContext.SetActiveShader(m_renderShader); - inRenderContext.SetBlendingEnabled(false); - inRenderContext.SetDepthTestEnabled(true); - inRenderContext.SetDepthWriteEnabled(false); - inRenderContext.SetCullingEnabled(false); - - SWidgetRenderSetupResult theSetup(inWidgetContext, *node, RenderWidgetModes::Local); - - m_renderShader->SetPropertyValue("mvpMatrix", theSetup.m_PureProjection - * theSetup.m_WidgetInfo.m_NodeParentToCamera - * node->m_GlobalTransform - * areaScaleMatrix); - - ::CColor color = CStudioPreferences::GetSingleBoundingBoxColor(); - QT3DSVec3 colorVec(color.GetRed() / 255.f, - color.GetGreen() / 255.f, - color.GetBlue() / 255.f); - - m_renderShader->SetPropertyValue("color", m_selected ? colorVec : QT3DSVec3(1, 1, 1)); - - inRenderContext.SetBlendFunction( - qt3ds::render::NVRenderBlendFunctionArgument( - qt3ds::render::NVRenderSrcBlendFunc::SrcAlpha, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha, - qt3ds::render::NVRenderSrcBlendFunc::One, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha)); - inRenderContext.SetBlendEquation( - qt3ds::render::NVRenderBlendEquationArgument( - NVRenderBlendEquation::Add, NVRenderBlendEquation::Add)); - inRenderContext.SetBlendingEnabled(true); - m_renderShader->SetPropertyValue("opacity", 0.5f); - inRenderContext.Draw(NVRenderDrawMode::Lines, input->GetIndexCount(), 0); - } -} - -void SVisualAidWidget::SetNode(SNode *inNode) -{ - if (inNode == m_node) - return; - m_node = inNode; -} - -void SVisualAidWidget::Render(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext) -{ - switch (m_node->m_Type) { - case GraphObjectTypes::Camera: - renderCamera(m_node, inWidgetContext, inRenderContext); - break; - - case GraphObjectTypes::Light: - renderLight(m_node, inWidgetContext, inRenderContext); - break; - - default: - break; - } - renderBillboard(m_node, inWidgetContext, inRenderContext); -} - -bool SVisualAidWidget::pick(IRenderWidgetContext &inWidgetContext, float &dist, QT3DSVec2 viewport, - QT3DSVec2 pos) -{ - SWidgetRenderSetupResult theSetup(inWidgetContext, *m_node, RenderWidgetModes::Local); - SCamera *pickCamera = theSetup.m_WidgetInfo.m_Camera; - QT3DSMat44 pip = pickCamera->m_Projection.getInverse(); - float x = pos.x / viewport.x; - float y = 1.0f - pos.y / viewport.y; - x = 2.0 * x - 1.0; - y = 2.0 * y - 1.0; - - QT3DSVec2 anchor(-1, -1); - - QT3DSVec4 n(x, y, -1, 1), f(x, y, 1, 1); - QT3DSVec4 np = pip.transform(n); - QT3DSVec4 fp = pip.transform(f); - - np = np * (1.0 / np.w); - fp = fp * (1.0 / fp.w); - - QT3DSMat44 billboardMatrix = QT3DSMat44::createIdentity(); - billboardMatrix.setPosition((theSetup.m_WidgetInfo.m_NodeParentToCamera - *m_node->m_GlobalTransform).getPosition()); - billboardMatrix.scale(QT3DSVec4(8, 8, 1, 1)); - - QT3DSMat44 toBillboard = billboardMatrix.getInverse(); - - np = toBillboard.transform(np); - fp = toBillboard.transform(fp); - - QT3DSVec3 c = np.getXYZ(); - QT3DSVec3 dir = (fp - np).getXYZ(); - dir.normalize(); - - QT3DSVec2 min(anchor.x - 1, anchor.y - 1); - QT3DSVec2 max(anchor.x + 1, anchor.y + 1); - - if (qAbs(dir.z) > fepsilon) { - QT3DSVec2 xy = QT3DSVec2(dir.x / dir.z, dir.y / dir.z); - QT3DSVec2 p = xy * (-c.z) + QT3DSVec2(c.x, c.y); - if (p.x >= min.x && p.x <= max.x && - p.y >= min.y && p.y <= max.y) { - QT3DSVec3 ip = QT3DSVec3(p.x, p.y, 0) - c; - dist = ip.magnitude(); - return true; - } - } - - return false; -} - -SVisualAidWidget &SVisualAidWidget::CreateVisualAidWidget(NVAllocatorCallback &inAlloc) -{ - return *QT3DS_NEW(inAlloc, SVisualAidWidget)(inAlloc); -} - -} -} |