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Refactor dxDrawCircle to use primitives queue, fix it's postGui issues #618

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Merged
ccw808 merged 3 commits into multitheftauto:master from forkerer:dxDrawCirclePrimitive
Sep 30, 2018
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108 changes: 23 additions & 85 deletions Client/core/Graphics/CGraphics.cpp
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -824,25 +824,32 @@ void CGraphics::DrawRectQueued(float fX, float fY, float fWidth, float fHeight,
void CGraphics::DrawCircleQueued(float fX, float fY, float fRadius, float fStartAngle, float fStopAngle, unsigned long ulColor, unsigned long ulColorCenter,
short siSegments, float fRatio, bool bPostGUI)
{
// Check if window is minimized so we don't calculate vertices for no reason.
if (g_pCore->IsWindowMinimized())
return;

// Set up a queue item
sDrawQueueItem Item;
Item.eType = QUEUE_CIRCLE;
Item.blendMode = m_ActiveBlendMode;
Item.Circle.fX = fX;
Item.Circle.fY = fY;
Item.Circle.fRadius = fRadius;
Item.Circle.fStartAngle = fStartAngle;
Item.Circle.fStopAngle = fStopAngle;
Item.Circle.bPostGUI = bPostGUI;
Item.Circle.fSegments = siSegments;
Item.Circle.fRatio = fRatio;
Item.Circle.ulColor = ulColor;
Item.Circle.ulColorCenter = ulColorCenter;
// Add it to the queue
AddQueueItem(Item, bPostGUI);
auto pVecVertices = new std::vector<PrimitiveVertice>();
fStartAngle = D3DXToRadian(fStartAngle);
fStopAngle = D3DXToRadian(fStopAngle);
// Calculate each segment angle
const float kfSegmentAngle = (fStopAngle - fStartAngle) / (siSegments-1);
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I remember removing -1 in (siSegments-1), and it worked without any issues. Any reason for adding it back?

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Instead of floating point based loop, i made it to use exactly the amount of segments specified in dxDrawCircle call, that required adding -1 again

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// Add center point
pVecVertices->push_back({ fX,fY,0.0f,ulColorCenter });

// And calculate all other vertices
for (short siSeg = 0; siSeg < siSegments; siSeg++)
{
PrimitiveVertice vert;
float curAngle = fStartAngle + siSeg * kfSegmentAngle;
vert.fX = fX + fRadius * cos(curAngle) * fRatio;
vert.fY = fY + fRadius * sin(curAngle) / fRatio;
vert.fZ = 0.0f;
vert.Color = ulColor;
pVecVertices->push_back(vert);
}

DrawPrimitiveQueued(pVecVertices, D3DPT_TRIANGLEFAN, bPostGUI);
}

void CGraphics::DrawPrimitiveQueued(std::vector<PrimitiveVertice>* pVecVertices, D3DPRIMITIVETYPE eType, bool bPostGUI)
Expand Down Expand Up @@ -933,68 +940,6 @@ bool CGraphics::IsValidPrimitiveSize (int iNumVertives, D3DPRIMITIVETYPE eType)
return true;
}

struct stVertex
{
float x, y, z;
D3DCOLOR color;
};

void CGraphics::DrawCircleInternal(float fX, float fY, float fRadius, float fStartAngle, float fStopAngle, unsigned long ulColor, unsigned long ulColorCenter,
short siSegments, float fRatio, bool bPostGUI)
{
fStartAngle = D3DXToRadian(fStartAngle);
fStopAngle = D3DXToRadian(fStopAngle);

std::vector<stVertex> vecPoints;

// center
stVertex vertCenter;
vertCenter.x = fX;
vertCenter.y = fY;
vertCenter.z = 0;
vertCenter.color = ulColorCenter;
vecPoints.push_back(vertCenter);

// first
stVertex vertFirst;
vertFirst.x = fX + fRadius * cos(fStartAngle) * fRatio;
vertFirst.y = fY + fRadius * sin(fStartAngle) / fRatio;
vertFirst.z = 0;
vertFirst.color = ulColor;
vecPoints.push_back(vertFirst);

const float kfSegmentAngle = (fStopAngle - fStartAngle) / siSegments;

// if kfSegmentAngle is 0.0f or less, we'll enter an infinte loop
if (kfSegmentAngle > 0.0f)
{
for (float fAngle = fStartAngle; fAngle <= fStopAngle;)
{
stVertex vertex;
vertex.x = fX + fRadius * cos(fAngle) * fRatio;
vertex.y = fY + fRadius * sin(fAngle) / fRatio;
vertex.z = 0;
vertex.color = ulColor;
vecPoints.push_back(vertex);
fAngle += kfSegmentAngle;
}
}

// last
stVertex vertLast;
vertLast.x = fX + fRadius * cos(fStopAngle) * fRatio;
vertLast.y = fY + fRadius * sin(fStopAngle) / fRatio;
vertLast.z = 0;
vertLast.color = ulColor;
vecPoints.push_back(vertLast);

if (vecPoints.size() >= 3)
{
m_pDevice->SetTexture(0, 0);
m_pDevice->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, vecPoints.size() - 2, &vecPoints[0], sizeof(stVertex));
}
}

void CGraphics::DrawTextureQueued(float fX, float fY, float fWidth, float fHeight, float fU, float fV, float fSizeU, float fSizeV, bool bRelativeUV,
CMaterialItem* pMaterial, float fRotation, float fRotCenOffX, float fRotCenOffY, unsigned long ulColor, bool bPostGUI)
{
Expand Down Expand Up @@ -1635,13 +1580,6 @@ void CGraphics::DrawQueueItem(const sDrawQueueItem& Item)
DrawRectangleInternal(Item.Rect.fX, Item.Rect.fY, Item.Rect.fWidth, Item.Rect.fHeight, Item.Rect.ulColor, Item.Rect.bSubPixelPositioning);
break;
}
case QUEUE_CIRCLE:
{
CheckModes(EDrawMode::DX_SPRITE, Item.blendMode);
DrawCircleInternal(Item.Circle.fX, Item.Circle.fY, Item.Circle.fRadius, Item.Circle.fStartAngle, Item.Circle.fStopAngle, Item.Circle.ulColor,
Item.Circle.ulColorCenter, Item.Circle.fSegments, Item.Circle.fRatio, Item.Circle.bPostGUI);
break;
}

case QUEUE_TEXT:
{
Expand Down
18 changes: 0 additions & 18 deletions Client/core/Graphics/CGraphics.h
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,6 @@ class CGraphics : public CGraphicsInterface, public CSingleton<CGraphics>
void DrawLine3D(const CVector& vecBegin, const CVector& vecEnd, unsigned long ulColor, float fWidth = 1.0f);
void DrawRectangle(float fX, float fY, float fWidth, float fHeight, unsigned long ulColor, bool bSubPixelPositioning = false);
void DrawStringOutline(const RECT& rect, unsigned long ulColor, const wchar_t* szText, unsigned long ulFormat, LPD3DXFONT pDXFont);
void DrawCircleInternal(float fX, float fY, float fRadius, float fStartAngle, float fStopAngle, unsigned long ulColor, unsigned long ulColorCenter,
short siSegments, float fRatio, bool bPostGUI);

void SetBlendMode(EBlendModeType blendMode);
EBlendModeType GetBlendMode(void);
Expand Down Expand Up @@ -238,7 +236,6 @@ class CGraphics : public CGraphicsInterface, public CSingleton<CGraphics>
QUEUE_RECT,
QUEUE_TEXTURE,
QUEUE_SHADER,
QUEUE_CIRCLE,
QUEUE_PRIMITIVE,
QUEUE_PRIMITIVEMATERIAL,
};
Expand Down Expand Up @@ -279,20 +276,6 @@ class CGraphics : public CGraphicsInterface, public CSingleton<CGraphics>
bool bSubPixelPositioning;
};

struct sDrawQueueCircle
{
float fX;
float fY;
float fRadius;
short fStartAngle;
short fStopAngle;
float fSegments;
float fRatio;
float bPostGUI;
unsigned long ulColor;
unsigned long ulColorCenter;
};

struct sDrawQueueTexture
{
CMaterialItem* pMaterial;
Expand Down Expand Up @@ -336,7 +319,6 @@ class CGraphics : public CGraphicsInterface, public CSingleton<CGraphics>
sDrawQueueText Text;
sDrawQueueRect Rect;
sDrawQueueTexture Texture;
sDrawQueueCircle Circle;
sDrawQueuePrimitive Primitive;
sDrawQueuePrimitiveMaterial PrimitiveMaterial;
};
Expand Down
4 changes: 4 additions & 0 deletions Client/mods/deathmatch/logic/luadefs/CLuaDrawingDefs.cpp
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -451,6 +451,10 @@ int CLuaDrawingDefs::DxDrawCircle(lua_State* luaVM)
if (fStopAngle < fStartAngle)
std::swap(fStopAngle, fStartAngle);

// Clamp the angle, so we never draw more than 360 degrees
if (fStartAngle + 360.0f < fStopAngle)
fStopAngle = fStartAngle + 360.0f;

g_pCore->GetGraphics()->DrawCircleQueued(vecPosition.fX, vecPosition.fY, fRadius, fStartAngle, fStopAngle, color, colorCenter, siSegments,
fRatio, bPostGUI);
lua_pushboolean(luaVM, true);
Expand Down

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