619 lines
16 KiB
C++
619 lines
16 KiB
C++
// Copyright (C) 2013 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Renderer/OpenGL.hpp>
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#include <Nazara/Renderer/DebugDrawer.hpp>
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#include <Nazara/Renderer/Renderer.hpp>
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#include <Nazara/Renderer/Shader.hpp>
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#include <Nazara/Renderer/ShaderBuilder.hpp>
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#include <Nazara/Utility/BufferMapper.hpp>
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#include <Nazara/Utility/Mesh.hpp>
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#include <Nazara/Utility/Skeleton.hpp>
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#include <Nazara/Utility/VertexBuffer.hpp>
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#include <Nazara/Utility/VertexDeclaration.hpp>
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#include <Nazara/Utility/VertexStruct.hpp>
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#include <Nazara/Renderer/Debug.hpp>
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///TODO: Améliorer
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namespace
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{
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static NzColor primaryColor = NzColor::Red;
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static NzColor secondaryColor = NzColor::Green;
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static const NzShader* shader = nullptr;
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static NzVertexBuffer* vertexBuffer = nullptr;
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static NzVertexDeclaration* vertexDeclaration = nullptr;
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static bool depthBufferEnabled = true;
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static bool initialized = false;
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static float lineWidth = 1.5f;
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static float pointSize = 3.f;
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static int colorLocation = -1;
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}
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void NzDebugDrawer::Draw(const NzBoundingVolumef& volume)
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{
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if (!volume.IsFinite())
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return;
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NzColor oldPrimaryColor = primaryColor;
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Draw(volume.aabb);
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primaryColor = secondaryColor;
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Draw(volume.obb);
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primaryColor = oldPrimaryColor;
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}
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void NzDebugDrawer::Draw(const NzBoxi& box)
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{
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Draw(NzBoxf(box));
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}
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void NzDebugDrawer::Draw(const NzBoxf& box)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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NzBufferMapper<NzVertexBuffer> mapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, 24);
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NzVertexStruct_XYZ* vertex = reinterpret_cast<NzVertexStruct_XYZ*>(mapper.GetPointer());
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NzVector3f max, min;
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max = box.GetPosition() + box.GetSize();
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min = box.GetPosition();
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vertex->position.Set(min.x, min.y, min.z);
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vertex++;
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vertex->position.Set(max.x, min.y, min.z);
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vertex++;
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vertex->position.Set(min.x, min.y, min.z);
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vertex++;
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vertex->position.Set(min.x, max.y, min.z);
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vertex++;
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vertex->position.Set(min.x, min.y, min.z);
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vertex++;
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vertex->position.Set(min.x, min.y, max.z);
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vertex++;
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vertex->position.Set(max.x, max.y, max.z);
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vertex++;
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vertex->position.Set(min.x, max.y, max.z);
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vertex++;
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vertex->position.Set(max.x, max.y, max.z);
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vertex++;
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vertex->position.Set(max.x, min.y, max.z);
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vertex++;
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vertex->position.Set(max.x, max.y, max.z);
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vertex++;
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vertex->position.Set(max.x, max.y, min.z);
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vertex++;
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vertex->position.Set(min.x, min.y, max.z);
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vertex++;
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vertex->position.Set(max.x, min.y, max.z);
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vertex++;
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vertex->position.Set(min.x, min.y, max.z);
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vertex++;
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vertex->position.Set(min.x, max.y, max.z);
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vertex++;
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vertex->position.Set(min.x, max.y, min.z);
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vertex++;
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vertex->position.Set(max.x, max.y, min.z);
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vertex++;
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vertex->position.Set(min.x, max.y, min.z);
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vertex++;
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vertex->position.Set(min.x, max.y, max.z);
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vertex++;
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vertex->position.Set(max.x, min.y, min.z);
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vertex++;
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vertex->position.Set(max.x, max.y, min.z);
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vertex++;
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vertex->position.Set(max.x, min.y, min.z);
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vertex++;
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vertex->position.Set(max.x, min.y, max.z);
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vertex++;
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mapper.Unmap();
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NzRenderer::Enable(nzRendererParameter_DepthBuffer, depthBufferEnabled);
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NzRenderer::SetLineWidth(lineWidth);
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NzRenderer::SetShader(shader);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveMode_LineList, 0, 24);
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}
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void NzDebugDrawer::Draw(const NzBoxui& box)
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{
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Draw(NzBoxf(box));
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}
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void NzDebugDrawer::Draw(const NzFrustumf& frustum)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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NzBufferMapper<NzVertexBuffer> mapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, 24);
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NzVertexStruct_XYZ* vertex = reinterpret_cast<NzVertexStruct_XYZ*>(mapper.GetPointer());
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(frustum.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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mapper.Unmap();
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NzRenderer::Enable(nzRendererParameter_DepthBuffer, depthBufferEnabled);
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NzRenderer::SetLineWidth(lineWidth);
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NzRenderer::SetShader(shader);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveMode_LineList, 0, 24);
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}
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void NzDebugDrawer::Draw(const NzOrientedBoxf& orientedBox)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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NzBufferMapper<NzVertexBuffer> mapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, 24);
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NzVertexStruct_XYZ* vertex = reinterpret_cast<NzVertexStruct_XYZ*>(mapper.GetPointer());
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarLeftTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightTop));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_NearRightBottom));
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vertex++;
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vertex->position.Set(orientedBox.GetCorner(nzCorner_FarRightBottom));
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vertex++;
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mapper.Unmap();
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NzRenderer::Enable(nzRendererParameter_DepthBuffer, depthBufferEnabled);
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NzRenderer::SetLineWidth(lineWidth);
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NzRenderer::SetShader(shader);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveMode_LineList, 0, 24);
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}
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void NzDebugDrawer::Draw(const NzSkeleton* skeleton)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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unsigned int jointCount = skeleton->GetJointCount();
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if (vertexBuffer->GetVertexCount() < jointCount*2)
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{
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NazaraError("Debug buffer not length enougth to draw object");
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return;
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}
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NzBufferMapper<NzVertexBuffer> mapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, jointCount*2);
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NzVertexStruct_XYZ* vertex = reinterpret_cast<NzVertexStruct_XYZ*>(mapper.GetPointer());
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unsigned int vertexCount = 0;
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for (unsigned int i = 0; i < jointCount; ++i)
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{
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const NzNode* joint = skeleton->GetJoint(i);
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const NzNode* parent = joint->GetParent();
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if (parent)
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{
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vertex->position = joint->GetPosition();
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vertex++;
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vertex->position = parent->GetPosition();
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vertex++;
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vertexCount += 2;
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}
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}
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mapper.Unmap();
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if (vertexCount > 0)
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{
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NzRenderer::Enable(nzRendererParameter_DepthBuffer, depthBufferEnabled);
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NzRenderer::SetLineWidth(lineWidth);
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NzRenderer::SetPointSize(pointSize);
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NzRenderer::SetShader(shader);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveMode_LineList, 0, vertexCount);
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shader->SendColor(colorLocation, secondaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveMode_PointList, 0, vertexCount);
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}
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}
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/*
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void NzDebugDrawer::DrawNormals(const NzSubMesh* subMesh)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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unsigned int normalCount = subMesh->GetVertexCount();
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unsigned int vertexCount = normalCount*2;
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if (vertexBuffer->GetVertexCount() < vertexCount)
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{
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NazaraError("Debug buffer not length enougth to draw object");
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return;
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}
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NzBufferMapper<NzVertexBuffer> inputMapper(subMesh->GetVertexBuffer(), nzBufferAccess_ReadOnly);
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NzBufferMapper<NzVertexBuffer> outputMapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, vertexCount);
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NzMeshVertex* inputVertex = reinterpret_cast<NzMeshVertex*>(inputMapper.GetPointer());
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NzVertexStruct_XYZ* outputVertex = reinterpret_cast<NzVertexStruct_XYZ*>(outputMapper.GetPointer());
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for (unsigned int i = 0; i < normalCount; ++i)
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{
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outputVertex->position = inputVertex->position;
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outputVertex++;
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outputVertex->position = inputVertex->position + inputVertex->normal;
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outputVertex++;
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inputVertex++;
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}
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inputMapper.Unmap();
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outputMapper.Unmap();
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if (vertexCount > 0)
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{
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const NzShader* oldShader = NzRenderer::GetShader();
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if (!NzRenderer::SetShader(shader))
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{
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NazaraError("Failed to set debug shader");
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return;
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}
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bool depthTestActive = NzRenderer::IsEnabled(nzRendererParameter_DepthTest);
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if (depthTestActive != depthTest)
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NzRenderer::Enable(nzRendererParameter_DepthTest, depthTest);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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float oldLineWidth = NzRenderer::GetLineWidth();
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NzRenderer::SetLineWidth(lineWidth);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveType_LineList, 0, vertexCount);
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NzRenderer::SetLineWidth(oldLineWidth);
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if (depthTestActive != depthTest)
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NzRenderer::Enable(nzRendererParameter_DepthTest, depthTestActive);
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if (!NzRenderer::SetShader(oldShader))
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NazaraWarning("Failed to reset shader");
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}
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}
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void NzDebugDrawer::DrawTangents(const NzSubMesh* subMesh)
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{
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if (!initialized)
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{
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NazaraError("Debug drawer is not initialized");
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return;
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}
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unsigned int tangentCount = subMesh->GetVertexCount();
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unsigned int vertexCount = tangentCount*2;
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if (vertexBuffer->GetVertexCount() < vertexCount)
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{
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NazaraError("Debug buffer not length enougth to draw object");
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return;
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}
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NzBufferMapper<NzVertexBuffer> inputMapper(subMesh->GetVertexBuffer(), nzBufferAccess_ReadOnly);
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NzBufferMapper<NzVertexBuffer> outputMapper(vertexBuffer, nzBufferAccess_DiscardAndWrite, 0, vertexCount);
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NzMeshVertex* inputVertex = reinterpret_cast<NzMeshVertex*>(inputMapper.GetPointer());
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NzVertexStruct_XYZ* outputVertex = reinterpret_cast<NzVertexStruct_XYZ*>(outputMapper.GetPointer());
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for (unsigned int i = 0; i < tangentCount; ++i)
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{
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outputVertex->position = inputVertex->position;
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outputVertex++;
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outputVertex->position = inputVertex->position + inputVertex->tangent;
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outputVertex++;
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inputVertex++;
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}
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inputMapper.Unmap();
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outputMapper.Unmap();
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if (vertexCount > 0)
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{
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const NzShader* oldShader = NzRenderer::GetShader();
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if (!NzRenderer::SetShader(shader))
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{
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NazaraError("Failed to set debug shader");
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return;
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}
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bool depthTestActive = NzRenderer::IsEnabled(nzRendererParameter_DepthTest);
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if (depthTestActive != depthTest)
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NzRenderer::Enable(nzRendererParameter_DepthTest, depthTest);
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NzRenderer::SetVertexBuffer(vertexBuffer);
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float oldLineWidth = NzRenderer::GetLineWidth();
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NzRenderer::SetLineWidth(lineWidth);
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shader->SendColor(colorLocation, primaryColor);
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NzRenderer::DrawPrimitives(nzPrimitiveType_LineList, 0, vertexCount);
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NzRenderer::SetLineWidth(oldLineWidth);
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if (depthTestActive != depthTest)
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NzRenderer::Enable(nzRendererParameter_DepthTest, depthTestActive);
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if (!NzRenderer::SetShader(oldShader))
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NazaraWarning("Failed to reset shader");
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}
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}
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*/
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void NzDebugDrawer::EnableDepthBuffer(bool depthBuffer)
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{
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depthBufferEnabled = depthBuffer;
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}
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float NzDebugDrawer::GetLineWidth()
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{
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return lineWidth;
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}
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float NzDebugDrawer::GetPointSize()
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{
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return pointSize;
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}
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NzColor NzDebugDrawer::GetPrimaryColor()
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{
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return primaryColor;
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}
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NzColor NzDebugDrawer::GetSecondaryColor()
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{
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return secondaryColor;
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}
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bool NzDebugDrawer::Initialize()
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{
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if (!initialized)
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{
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// Shader
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|
{
|
|
shader = NzShaderBuilder::Get(nzShaderFlags_None);
|
|
if (!shader)
|
|
{
|
|
NazaraError("Failed to build debug shader");
|
|
return false;
|
|
}
|
|
|
|
colorLocation = shader->GetUniformLocation(nzShaderUniform_MaterialDiffuse);
|
|
}
|
|
|
|
// VertexDeclaration
|
|
{
|
|
NzVertexElement element;
|
|
element.offset = 0;
|
|
element.type = nzElementType_Float3;
|
|
element.usage = nzElementUsage_Position;
|
|
|
|
vertexDeclaration = new NzVertexDeclaration;
|
|
if (!vertexDeclaration->Create(&element, 1))
|
|
{
|
|
NazaraError("Failed to create declaration");
|
|
Uninitialize();
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// VertexBuffer (Nécessite la déclaration)
|
|
{
|
|
vertexBuffer = new NzVertexBuffer(vertexDeclaration, 1024, nzBufferStorage_Hardware, nzBufferUsage_Dynamic);
|
|
if (!vertexBuffer->GetBuffer()->IsValid())
|
|
{
|
|
NazaraError("Failed to create buffer");
|
|
Uninitialize();
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
initialized = true;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool NzDebugDrawer::IsDepthBufferEnabled()
|
|
{
|
|
return depthBufferEnabled;
|
|
}
|
|
|
|
void NzDebugDrawer::SetLineWidth(float width)
|
|
{
|
|
lineWidth = width;
|
|
}
|
|
|
|
void NzDebugDrawer::SetPointSize(float size)
|
|
{
|
|
pointSize = size;
|
|
}
|
|
|
|
void NzDebugDrawer::SetPrimaryColor(const NzColor& color)
|
|
{
|
|
primaryColor = color;
|
|
}
|
|
|
|
void NzDebugDrawer::SetSecondaryColor(const NzColor& color)
|
|
{
|
|
secondaryColor = color;
|
|
}
|
|
|
|
void NzDebugDrawer::Uninitialize()
|
|
{
|
|
if (vertexBuffer)
|
|
{
|
|
delete vertexBuffer;
|
|
vertexBuffer = nullptr;
|
|
}
|
|
|
|
if (vertexDeclaration)
|
|
{
|
|
delete vertexDeclaration;
|
|
vertexDeclaration = nullptr;
|
|
}
|
|
|
|
initialized = false;
|
|
}
|