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96 lines
2.9 KiB
96 lines
2.9 KiB
5 years ago
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#include "cbase.h"
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#include "softline.h"
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#include <KeyValues.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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SoftLine::SoftLine(vgui::Panel *parent, const char *panelName, Color col) :
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vgui::Panel(parent, panelName)
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{
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m_Color = col;
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m_iCornerType = 0;
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}
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void SoftLine::Paint()
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{
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if (m_iCornerType == 1)
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DrawSoftLine(1,GetTall() - 2, GetWide() - 2, 1, m_Color);
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else
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DrawSoftLine(1,1, GetWide() - 2, GetTall() - 2, m_Color);
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}
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int SoftLine::s_nWhiteTexture = -1;
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void SoftLine::DrawSoftLine(float x, float y, float x2, float y2, Color c)
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{
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vgui::Vertex_t start, end;
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if (s_nWhiteTexture == -1)
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{
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s_nWhiteTexture = vgui::surface()->CreateNewTextureID();
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vgui::surface()->DrawSetTextureFile( s_nWhiteTexture, "vgui/white" , true, false);
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if (s_nWhiteTexture == -1)
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return;
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return;
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}
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// draw main line
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vgui::surface()->DrawSetTexture(s_nWhiteTexture);
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vgui::surface()->DrawSetColor(c);
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//vgui::surface()->DrawLine(x,y,x2,y2);
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start.Init(Vector2D(x,y), Vector2D(0,0));
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end.Init(Vector2D(x2,y2), Vector2D(1,1));
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DrawPolygonLine(start, end);
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// draw translucent ones around it to give it some softness
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vgui::surface()->DrawSetColor(c);
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start.Init(Vector2D(x - 0.50f,y - 0.50f), Vector2D(0,0));
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end.Init(Vector2D(x2 - 0.50f,y2 - 0.50f), Vector2D(1,1));
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DrawPolygonLine(start, end);
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start.Init(Vector2D(x + 0.50f,y - 0.50f), Vector2D(0,0));
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end.Init(Vector2D(x2 + 0.50f,y2 - 0.50f), Vector2D(1,1));
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DrawPolygonLine(start, end);
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start.Init(Vector2D(x - 0.50f,y + 0.50f), Vector2D(0,0));
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end.Init(Vector2D(x2 - 0.50f,y2 + 0.50f), Vector2D(1,1));
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DrawPolygonLine(start, end);
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start.Init(Vector2D(x + 0.50f,y + 0.50f), Vector2D(0,0));
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end.Init(Vector2D(x2 + 0.50f,y2 + 0.50f), Vector2D(1,1));
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DrawPolygonLine(start, end);
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}
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// draws a line using polygon calls
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void SoftLine::DrawPolygonLine(vgui::Vertex_t start, vgui::Vertex_t end, float width)
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{
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DrawPolygonLine(start.m_Position.x, start.m_Position.y, end.m_Position.x, end.m_Position.y, width);
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}
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void SoftLine::DrawPolygonLine(float x, float y, float x2, float y2, float width)
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{
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// find long edge
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Vector2D start(x, y);
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Vector2D end(x2, y2);
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Vector2D long_edge = end - start;
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// normalize and rotate 90 degrees to get our short edge
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Vector2D short_edge = long_edge;
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short_edge.NormalizeInPlace();
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float newx = cos(1.5708f) * short_edge.x - sin(1.5708f) * short_edge.y;
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float newy = sin(1.5708f) * short_edge.x - cos(1.5708f) * short_edge.y;
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short_edge.x = newx;
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short_edge.y = newy;
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short_edge *= width;
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vgui::Vertex_t points[4] =
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{
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vgui::Vertex_t( Vector2D(x, y) - short_edge * 0.5f, Vector2D(0,0) ),
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vgui::Vertex_t( Vector2D(x, y) - short_edge * 0.5f + long_edge, Vector2D(1,0) ),
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vgui::Vertex_t( Vector2D(x, y) + short_edge * 0.5f + long_edge, Vector2D(1,1) ),
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vgui::Vertex_t( Vector2D(x, y) + short_edge * 0.5f, Vector2D(0,1) )
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};
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vgui::surface()->DrawTexturedPolygon(4, points);
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}
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