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Generalised Draw functions in SHDebugDrawSystem for potentially any number of draw queues

This commit is contained in:
Kah Wei 2022-11-02 09:34:36 +08:00
parent 8c666ef236
commit 1371302a40
3 changed files with 77 additions and 36 deletions
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89
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.cpp
View File

@ -117,54 +117,75 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
void SHDebugDrawSystem::DrawLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
{
if (points.size() > MAX_POINTS)
drawLine(points, color, startPt, endPt);
}
void SHDebugDrawSystem::DrawTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
{
drawPoly(points, color, { pt1, pt2, pt3 });
}
void SHDebugDrawSystem::DrawQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
{
drawPoly(points, color, { pt1, pt2, pt3, pt4 });
}
void SHDebugDrawSystem::DrawPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
{
drawPoly(points, color, pointList.begin(), pointList.end());
}
void SHDebugDrawSystem::DrawCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
{
drawCube(points, color, pos, size);
}
void SHDebugDrawSystem::DrawSphere(const SHVec4& color, const SHVec3& pos, double radius)
{
drawSphere(points, color, pos, radius);
}
void SHDebugDrawSystem::drawLine(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
{
if (storage.size() > MAX_POINTS)
{
SHLOG_WARNING("[DebugDraw] Exceeded maximum size of drawable debug elements.");
return;
}
points.emplace_back(PointVertex{ startPt, color });
points.emplace_back(PointVertex{ endPt, color });
storage.emplace_back(PointVertex{ startPt, color });
storage.emplace_back(PointVertex{ endPt, color });
}
void SHDebugDrawSystem::DrawTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
void SHDebugDrawSystem::drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList)
{
DrawPoly(color, { pt1, pt2, pt3 });
drawPoly(storage, color, pointList.begin(), pointList.end());
}
void SHDebugDrawSystem::DrawQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
void SHDebugDrawSystem::drawCube(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, const SHVec3& size)
{
DrawPoly(color, { pt1, pt2, pt3, pt4 });
}
static const SHVec3 EXTENTS = SHVec3{ 0.5f, 0.5f, 0.5f };
static const SHVec3 UNIT_BOT_LEFT_FRONT = SHVec3{ pos - EXTENTS };
static const SHVec3 UNIT_BOT_RIGHT_FRONT = SHVec3{ pos + SHVec3 { EXTENTS.x, -EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_BOT_RIGHT_BACK = SHVec3{ pos + SHVec3 { EXTENTS.x, -EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_BOT_LEFT_BACK = SHVec3{ pos + SHVec3 { -EXTENTS.x, -EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_TOP_LEFT_BACK = SHVec3{ pos + SHVec3 { -EXTENTS.x, EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_TOP_RIGHT_FRONT = SHVec3{ pos + SHVec3 { EXTENTS.x, EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_TOP_LEFT_FRONT = SHVec3{ pos + SHVec3 { -EXTENTS.x, EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_TOP_RIGHT_BACK = SHVec3{ pos + EXTENTS };
void SHDebugDrawSystem::DrawPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
{
DrawPoly(color, pointList.begin(), pointList.end());
}
void SHDebugDrawSystem::DrawCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
{
static const SHVec3 EXTENTS = SHVec3 { 0.5f, 0.5f, 0.5f };
static const SHVec3 UNIT_BOT_LEFT_FRONT = SHVec3 { pos - EXTENTS };
static const SHVec3 UNIT_BOT_RIGHT_FRONT = SHVec3 { pos + SHVec3 { EXTENTS.x, -EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_BOT_RIGHT_BACK = SHVec3 { pos + SHVec3 { EXTENTS.x, -EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_BOT_LEFT_BACK = SHVec3 { pos + SHVec3 { -EXTENTS.x, -EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_TOP_LEFT_BACK = SHVec3 { pos + SHVec3 { -EXTENTS.x, EXTENTS.y, EXTENTS.z } };
static const SHVec3 UNIT_TOP_RIGHT_FRONT = SHVec3 { pos + SHVec3 { EXTENTS.x, EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_TOP_LEFT_FRONT = SHVec3 { pos + SHVec3 { -EXTENTS.x, EXTENTS.y, -EXTENTS.z } };
static const SHVec3 UNIT_TOP_RIGHT_BACK = SHVec3 { pos + EXTENTS };
const SHVec3 BOT_LEFT_BACK = UNIT_BOT_LEFT_BACK * size;
const SHVec3 BOT_RIGHT_BACK = UNIT_BOT_RIGHT_BACK * size;
const SHVec3 BOT_LEFT_FRONT = UNIT_BOT_LEFT_FRONT * size;
const SHVec3 BOT_LEFT_BACK = UNIT_BOT_LEFT_BACK * size;
const SHVec3 BOT_RIGHT_BACK = UNIT_BOT_RIGHT_BACK * size;
const SHVec3 BOT_LEFT_FRONT = UNIT_BOT_LEFT_FRONT * size;
const SHVec3 BOT_RIGHT_FRONT = UNIT_BOT_RIGHT_FRONT * size;
const SHVec3 TOP_LEFT_BACK = UNIT_TOP_LEFT_BACK * size;
const SHVec3 TOP_RIGHT_BACK = UNIT_TOP_RIGHT_BACK * size;
const SHVec3 TOP_LEFT_FRONT = UNIT_TOP_LEFT_FRONT * size;
const SHVec3 TOP_LEFT_BACK = UNIT_TOP_LEFT_BACK * size;
const SHVec3 TOP_RIGHT_BACK = UNIT_TOP_RIGHT_BACK * size;
const SHVec3 TOP_LEFT_FRONT = UNIT_TOP_LEFT_FRONT * size;
const SHVec3 TOP_RIGHT_FRONT = UNIT_TOP_RIGHT_FRONT * size;
DrawPoly
drawPoly
(
storage,
color,
{
// Bottom Square
@ -186,7 +207,7 @@ namespace SHADE
);
}
void SHDebugDrawSystem::DrawSphere(const SHVec4& color, const SHVec3& pos, double radius)
void SHDebugDrawSystem::drawSphere(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, double radius)
{
if (spherePoints.empty())
{
@ -197,6 +218,6 @@ namespace SHADE
spherePoints.emplace_back(SPHERE.VertexPositions[idx]);
}
}
DrawPoly(color, spherePoints.begin(), spherePoints.end());
drawPoly(storage, color, spherePoints.begin(), spherePoints.end());
}
}

11
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.h
View File

@ -148,11 +148,22 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
// CPU Buffers
std::vector<PointVertex> points;
std::vector<PointVertex> persistentPoints;
// GPU Buffers
TripleBuffer vertexBuffers;
TripleUInt numPoints;
// Cached Points for polygon drawing
std::vector<SHVec3> spherePoints;
/*---------------------------------------------------------------------------------*/
/* Helper Draw Functions */
/*---------------------------------------------------------------------------------*/
void drawLine(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt);
void drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList);
template<typename IterType>
void drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd);
void drawCube(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, const SHVec3& size);
void drawSphere(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, double radius);
};
}

13
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.hpp
View File

@ -20,12 +20,21 @@ namespace SHADE
/*-----------------------------------------------------------------------------------*/
template<typename IterType>
void SHDebugDrawSystem::DrawPoly(const SHVec4& color, IterType pointListBegin, IterType pointListEnd)
{
drawPoly(points, color, pointListBegin, pointListEnd);
}
/*-----------------------------------------------------------------------------------*/
/* Helper Draw Functions */
/*-----------------------------------------------------------------------------------*/
template<typename IterType>
void SHDebugDrawSystem::drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd)
{
// Ensure dereferenced type is SHVec3
static_assert(std::is_same_v<SHVec3, std::remove_cvref_t<decltype(*pointListBegin)>>, "Parameters to DrawPoly must be SHVec3.");
// Check if points exceeded max
if (points.size() > MAX_POINTS)
if (storage.size() > MAX_POINTS)
{
SHLOG_WARNING("[DebugDraw] Exceeded maximum size of drawable debug elements.");
return;
@ -42,7 +51,7 @@ namespace SHADE
const size_t POINTS_ROUNDED_COUNT = POINTS_COUNT / 2 * 2;
for (auto pointIter = pointListBegin; pointIter != (pointListBegin + POINTS_ROUNDED_COUNT); ++pointIter)
{
points.emplace_back(PointVertex{ *pointIter, color });
storage.emplace_back(PointVertex{ *pointIter, color });
}
}
}