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debug draw display list class.

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This commit is contained in:
Mikko Mononen
2010-02-16 08:45:42 +00:00
parent deb7f0e0f8
commit f02c123001
2 changed files with 106 additions and 0 deletions
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81
DebugUtils/Source/DebugDraw.cpp
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@@ -18,6 +18,7 @@
#define _USE_MATH_DEFINES
#include <math.h>
#include <string.h>
#include "DebugDraw.h"
inline int bit(int a, int b)
@@ -388,4 +389,84 @@ void duAppendCross(struct duDebugDraw* dd, const float x, const float y, const f
dd->vertex(x,y,z+s, col);
}
duDisplayList::duDisplayList(int cap) :
m_pos(0),
m_color(0),
m_size(0),
m_cap(0),
m_depthMask(true),
m_prim(DU_DRAW_LINES),
m_primSize(1.0f)
{
if (cap < 8)
cap = 8;
resize(cap);
}
duDisplayList::~duDisplayList()
{
delete [] m_pos;
delete [] m_color;
}
void duDisplayList::resize(int cap)
{
float* newPos = new float[cap*3];
if (m_size)
memcpy(newPos, m_pos, sizeof(float)*3*m_size);
delete [] m_pos;
m_pos = newPos;
unsigned int* newColor = new unsigned int[cap];
if (m_size)
memcpy(newColor, m_color, sizeof(unsigned int)*m_size);
delete [] m_color;
m_color = newColor;
m_cap = cap;
}
void duDisplayList::clear()
{
m_size = 0;
}
void duDisplayList::depthMask(bool state)
{
m_depthMask = state;
}
void duDisplayList::begin(duDebugDrawPrimitives prim, float size)
{
clear();
m_prim = prim;
m_primSize = size;
}
void duDisplayList::vertex(const float x, const float y, const float z, unsigned int color)
{
if (m_size+1 >= m_cap)
resize(m_cap*2);
float* p = &m_pos[m_size*3];
p[0] = x;
p[1] = y;
p[2] = z;
m_color[m_size] = color;
m_size++;
}
void duDisplayList::vertex(const float* pos, unsigned int color)
{
vertex(pos[0],pos[1],pos[2],color);
}
void duDisplayList::draw(struct duDebugDraw* dd)
{
if (!m_size)
return;
dd->depthMask(m_depthMask);
dd->begin(m_prim, m_primSize);
for (int i = 0; i < m_size; ++i)
dd->vertex(&m_pos[i*3], m_color[i]);
dd->end();
}