mirror of https://github.com/axmolengine/axmol.git
612 lines
16 KiB
C++
612 lines
16 KiB
C++
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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#include <string.h>
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#include "DebugDraw.h"
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#include "DetourMath.h"
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#include "DetourNavMesh.h"
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duDebugDraw::~duDebugDraw()
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{
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// Empty
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}
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unsigned int duDebugDraw::areaToCol(unsigned int area)
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{
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if (area == 0)
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{
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// Treat zero area type as default.
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return duRGBA(0, 192, 255, 255);
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}
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else
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{
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return duIntToCol(area, 255);
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}
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}
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inline int bit(int a, int b)
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{
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return (a & (1 << b)) >> b;
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}
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unsigned int duIntToCol(int i, int a)
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{
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int r = bit(i, 1) + bit(i, 3) * 2 + 1;
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int g = bit(i, 2) + bit(i, 4) * 2 + 1;
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int b = bit(i, 0) + bit(i, 5) * 2 + 1;
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return duRGBA(r*63,g*63,b*63,a);
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}
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void duIntToCol(int i, float* col)
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{
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int r = bit(i, 0) + bit(i, 3) * 2 + 1;
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int g = bit(i, 1) + bit(i, 4) * 2 + 1;
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int b = bit(i, 2) + bit(i, 5) * 2 + 1;
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col[0] = 1 - r*63.0f/255.0f;
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col[1] = 1 - g*63.0f/255.0f;
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col[2] = 1 - b*63.0f/255.0f;
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}
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void duCalcBoxColors(unsigned int* colors, unsigned int colTop, unsigned int colSide)
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{
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if (!colors) return;
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colors[0] = duMultCol(colTop, 250);
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colors[1] = duMultCol(colSide, 140);
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colors[2] = duMultCol(colSide, 165);
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colors[3] = duMultCol(colSide, 217);
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colors[4] = duMultCol(colSide, 165);
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colors[5] = duMultCol(colSide, 217);
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}
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void duDebugDrawCylinderWire(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendCylinderWire(dd, minx,miny,minz, maxx,maxy,maxz, col);
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dd->end();
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}
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void duDebugDrawBoxWire(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendBoxWire(dd, minx,miny,minz, maxx,maxy,maxz, col);
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dd->end();
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}
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void duDebugDrawArc(struct duDebugDraw* dd, const float x0, const float y0, const float z0,
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const float x1, const float y1, const float z1, const float h,
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const float as0, const float as1, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendArc(dd, x0,y0,z0, x1,y1,z1, h, as0, as1, col);
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dd->end();
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}
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void duDebugDrawArrow(struct duDebugDraw* dd, const float x0, const float y0, const float z0,
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const float x1, const float y1, const float z1,
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const float as0, const float as1, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendArrow(dd, x0,y0,z0, x1,y1,z1, as0, as1, col);
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dd->end();
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}
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void duDebugDrawCircle(struct duDebugDraw* dd, const float x, const float y, const float z,
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const float r, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendCircle(dd, x,y,z, r, col);
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dd->end();
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}
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void duDebugDrawCross(struct duDebugDraw* dd, const float x, const float y, const float z,
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const float size, unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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duAppendCross(dd, x,y,z, size, col);
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dd->end();
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}
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void duDebugDrawBox(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, const unsigned int* fcol)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_QUADS);
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duAppendBox(dd, minx,miny,minz, maxx,maxy,maxz, fcol);
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dd->end();
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}
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void duDebugDrawCylinder(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_TRIS);
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duAppendCylinder(dd, minx,miny,minz, maxx,maxy,maxz, col);
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dd->end();
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}
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void duDebugDrawGridXZ(struct duDebugDraw* dd, const float ox, const float oy, const float oz,
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const int w, const int h, const float size,
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const unsigned int col, const float lineWidth)
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{
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if (!dd) return;
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dd->begin(DU_DRAW_LINES, lineWidth);
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for (int i = 0; i <= h; ++i)
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{
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dd->vertex(ox,oy,oz+i*size, col);
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dd->vertex(ox+w*size,oy,oz+i*size, col);
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}
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for (int i = 0; i <= w; ++i)
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{
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dd->vertex(ox+i*size,oy,oz, col);
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dd->vertex(ox+i*size,oy,oz+h*size, col);
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}
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dd->end();
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}
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void duAppendCylinderWire(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col)
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{
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if (!dd) return;
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static const int NUM_SEG = 16;
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static float dir[NUM_SEG*2];
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static bool init = false;
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if (!init)
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{
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init = true;
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for (int i = 0; i < NUM_SEG; ++i)
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{
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const float a = (float)i/(float)NUM_SEG*DU_PI*2;
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dir[i*2] = dtMathCosf(a);
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dir[i*2+1] = dtMathSinf(a);
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}
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}
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const float cx = (maxx + minx)/2;
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const float cz = (maxz + minz)/2;
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const float rx = (maxx - minx)/2;
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const float rz = (maxz - minz)/2;
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for (int i = 0, j = NUM_SEG-1; i < NUM_SEG; j = i++)
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{
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dd->vertex(cx+dir[j*2+0]*rx, miny, cz+dir[j*2+1]*rz, col);
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dd->vertex(cx+dir[i*2+0]*rx, miny, cz+dir[i*2+1]*rz, col);
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dd->vertex(cx+dir[j*2+0]*rx, maxy, cz+dir[j*2+1]*rz, col);
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dd->vertex(cx+dir[i*2+0]*rx, maxy, cz+dir[i*2+1]*rz, col);
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}
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for (int i = 0; i < NUM_SEG; i += NUM_SEG/4)
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{
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dd->vertex(cx+dir[i*2+0]*rx, miny, cz+dir[i*2+1]*rz, col);
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dd->vertex(cx+dir[i*2+0]*rx, maxy, cz+dir[i*2+1]*rz, col);
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}
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}
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void duAppendBoxWire(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col)
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{
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if (!dd) return;
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// Top
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dd->vertex(minx, miny, minz, col);
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dd->vertex(maxx, miny, minz, col);
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dd->vertex(maxx, miny, minz, col);
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dd->vertex(maxx, miny, maxz, col);
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dd->vertex(maxx, miny, maxz, col);
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dd->vertex(minx, miny, maxz, col);
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dd->vertex(minx, miny, maxz, col);
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dd->vertex(minx, miny, minz, col);
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// bottom
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dd->vertex(minx, maxy, minz, col);
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dd->vertex(maxx, maxy, minz, col);
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dd->vertex(maxx, maxy, minz, col);
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dd->vertex(maxx, maxy, maxz, col);
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dd->vertex(maxx, maxy, maxz, col);
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dd->vertex(minx, maxy, maxz, col);
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dd->vertex(minx, maxy, maxz, col);
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dd->vertex(minx, maxy, minz, col);
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// Sides
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dd->vertex(minx, miny, minz, col);
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dd->vertex(minx, maxy, minz, col);
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dd->vertex(maxx, miny, minz, col);
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dd->vertex(maxx, maxy, minz, col);
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dd->vertex(maxx, miny, maxz, col);
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dd->vertex(maxx, maxy, maxz, col);
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dd->vertex(minx, miny, maxz, col);
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dd->vertex(minx, maxy, maxz, col);
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}
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void duAppendBoxPoints(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col)
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{
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if (!dd) return;
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// Top
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dd->vertex(minx, miny, minz, col);
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dd->vertex(maxx, miny, minz, col);
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dd->vertex(maxx, miny, minz, col);
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dd->vertex(maxx, miny, maxz, col);
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dd->vertex(maxx, miny, maxz, col);
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dd->vertex(minx, miny, maxz, col);
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dd->vertex(minx, miny, maxz, col);
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dd->vertex(minx, miny, minz, col);
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// bottom
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dd->vertex(minx, maxy, minz, col);
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dd->vertex(maxx, maxy, minz, col);
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dd->vertex(maxx, maxy, minz, col);
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dd->vertex(maxx, maxy, maxz, col);
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dd->vertex(maxx, maxy, maxz, col);
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dd->vertex(minx, maxy, maxz, col);
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dd->vertex(minx, maxy, maxz, col);
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dd->vertex(minx, maxy, minz, col);
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}
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void duAppendBox(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, const unsigned int* fcol)
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{
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if (!dd) return;
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const float verts[8*3] =
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{
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minx, miny, minz,
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maxx, miny, minz,
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maxx, miny, maxz,
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minx, miny, maxz,
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minx, maxy, minz,
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maxx, maxy, minz,
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maxx, maxy, maxz,
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minx, maxy, maxz,
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};
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static const unsigned char inds[6*4] =
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{
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7, 6, 5, 4,
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0, 1, 2, 3,
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1, 5, 6, 2,
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3, 7, 4, 0,
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2, 6, 7, 3,
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0, 4, 5, 1,
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};
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const unsigned char* in = inds;
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for (int i = 0; i < 6; ++i)
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{
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dd->vertex(&verts[*in*3], fcol[i]); in++;
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dd->vertex(&verts[*in*3], fcol[i]); in++;
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dd->vertex(&verts[*in*3], fcol[i]); in++;
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dd->vertex(&verts[*in*3], fcol[i]); in++;
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}
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}
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void duAppendCylinder(struct duDebugDraw* dd, float minx, float miny, float minz,
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float maxx, float maxy, float maxz, unsigned int col)
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{
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if (!dd) return;
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static const int NUM_SEG = 16;
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static float dir[NUM_SEG*2];
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static bool init = false;
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if (!init)
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{
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init = true;
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for (int i = 0; i < NUM_SEG; ++i)
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{
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const float a = (float)i/(float)NUM_SEG*DU_PI*2;
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dir[i*2] = cosf(a);
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dir[i*2+1] = sinf(a);
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}
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}
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unsigned int col2 = duMultCol(col, 160);
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const float cx = (maxx + minx)/2;
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const float cz = (maxz + minz)/2;
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const float rx = (maxx - minx)/2;
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const float rz = (maxz - minz)/2;
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for (int i = 2; i < NUM_SEG; ++i)
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{
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const int a = 0, b = i-1, c = i;
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dd->vertex(cx+dir[a*2+0]*rx, miny, cz+dir[a*2+1]*rz, col2);
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dd->vertex(cx+dir[b*2+0]*rx, miny, cz+dir[b*2+1]*rz, col2);
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dd->vertex(cx+dir[c*2+0]*rx, miny, cz+dir[c*2+1]*rz, col2);
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}
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for (int i = 2; i < NUM_SEG; ++i)
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{
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const int a = 0, b = i, c = i-1;
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dd->vertex(cx+dir[a*2+0]*rx, maxy, cz+dir[a*2+1]*rz, col);
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dd->vertex(cx+dir[b*2+0]*rx, maxy, cz+dir[b*2+1]*rz, col);
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dd->vertex(cx+dir[c*2+0]*rx, maxy, cz+dir[c*2+1]*rz, col);
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}
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for (int i = 0, j = NUM_SEG-1; i < NUM_SEG; j = i++)
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{
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dd->vertex(cx+dir[i*2+0]*rx, miny, cz+dir[i*2+1]*rz, col2);
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dd->vertex(cx+dir[j*2+0]*rx, miny, cz+dir[j*2+1]*rz, col2);
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dd->vertex(cx+dir[j*2+0]*rx, maxy, cz+dir[j*2+1]*rz, col);
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dd->vertex(cx+dir[i*2+0]*rx, miny, cz+dir[i*2+1]*rz, col2);
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dd->vertex(cx+dir[j*2+0]*rx, maxy, cz+dir[j*2+1]*rz, col);
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dd->vertex(cx+dir[i*2+0]*rx, maxy, cz+dir[i*2+1]*rz, col);
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}
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}
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inline void evalArc(const float x0, const float y0, const float z0,
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const float dx, const float dy, const float dz,
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const float h, const float u, float* res)
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{
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res[0] = x0 + dx * u;
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res[1] = y0 + dy * u + h * (1-(u*2-1)*(u*2-1));
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res[2] = z0 + dz * u;
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}
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inline void vcross(float* dest, const float* v1, const float* v2)
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{
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dest[0] = v1[1]*v2[2] - v1[2]*v2[1];
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dest[1] = v1[2]*v2[0] - v1[0]*v2[2];
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dest[2] = v1[0]*v2[1] - v1[1]*v2[0];
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}
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inline void vnormalize(float* v)
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{
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float d = 1.0f / sqrtf(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
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v[0] *= d;
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v[1] *= d;
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v[2] *= d;
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}
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inline void vsub(float* dest, const float* v1, const float* v2)
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{
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dest[0] = v1[0]-v2[0];
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dest[1] = v1[1]-v2[1];
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dest[2] = v1[2]-v2[2];
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}
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inline float vdistSqr(const float* v1, const float* v2)
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{
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const float x = v1[0]-v2[0];
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const float y = v1[1]-v2[1];
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const float z = v1[2]-v2[2];
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return x*x + y*y + z*z;
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}
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void appendArrowHead(struct duDebugDraw* dd, const float* p, const float* q,
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const float s, unsigned int col)
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{
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const float eps = 0.001f;
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if (!dd) return;
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if (vdistSqr(p,q) < eps*eps) return;
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float ax[3], ay[3] = {0,1,0}, az[3];
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vsub(az, q, p);
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vnormalize(az);
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vcross(ax, ay, az);
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vcross(ay, az, ax);
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vnormalize(ay);
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dd->vertex(p, col);
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// dd->vertex(p[0]+az[0]*s+ay[0]*s/2, p[1]+az[1]*s+ay[1]*s/2, p[2]+az[2]*s+ay[2]*s/2, col);
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dd->vertex(p[0]+az[0]*s+ax[0]*s/3, p[1]+az[1]*s+ax[1]*s/3, p[2]+az[2]*s+ax[2]*s/3, col);
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dd->vertex(p, col);
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// dd->vertex(p[0]+az[0]*s-ay[0]*s/2, p[1]+az[1]*s-ay[1]*s/2, p[2]+az[2]*s-ay[2]*s/2, col);
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dd->vertex(p[0]+az[0]*s-ax[0]*s/3, p[1]+az[1]*s-ax[1]*s/3, p[2]+az[2]*s-ax[2]*s/3, col);
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}
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void duAppendArc(struct duDebugDraw* dd, const float x0, const float y0, const float z0,
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const float x1, const float y1, const float z1, const float h,
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const float as0, const float as1, unsigned int col)
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{
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if (!dd) return;
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static const int NUM_ARC_PTS = 8;
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static const float PAD = 0.05f;
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static const float ARC_PTS_SCALE = (1.0f-PAD*2) / (float)NUM_ARC_PTS;
|
|
const float dx = x1 - x0;
|
|
const float dy = y1 - y0;
|
|
const float dz = z1 - z0;
|
|
const float len = sqrtf(dx*dx + dy*dy + dz*dz);
|
|
float prev[3];
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, PAD, prev);
|
|
for (int i = 1; i <= NUM_ARC_PTS; ++i)
|
|
{
|
|
const float u = PAD + i * ARC_PTS_SCALE;
|
|
float pt[3];
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, u, pt);
|
|
dd->vertex(prev[0],prev[1],prev[2], col);
|
|
dd->vertex(pt[0],pt[1],pt[2], col);
|
|
prev[0] = pt[0]; prev[1] = pt[1]; prev[2] = pt[2];
|
|
}
|
|
|
|
// End arrows
|
|
if (as0 > 0.001f)
|
|
{
|
|
float p[3], q[3];
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, PAD, p);
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, PAD+0.05f, q);
|
|
appendArrowHead(dd, p, q, as0, col);
|
|
}
|
|
|
|
if (as1 > 0.001f)
|
|
{
|
|
float p[3], q[3];
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, 1-PAD, p);
|
|
evalArc(x0,y0,z0, dx,dy,dz, len*h, 1-(PAD+0.05f), q);
|
|
appendArrowHead(dd, p, q, as1, col);
|
|
}
|
|
}
|
|
|
|
void duAppendArrow(struct duDebugDraw* dd, const float x0, const float y0, const float z0,
|
|
const float x1, const float y1, const float z1,
|
|
const float as0, const float as1, unsigned int col)
|
|
{
|
|
if (!dd) return;
|
|
|
|
dd->vertex(x0,y0,z0, col);
|
|
dd->vertex(x1,y1,z1, col);
|
|
|
|
// End arrows
|
|
const float p[3] = {x0,y0,z0}, q[3] = {x1,y1,z1};
|
|
if (as0 > 0.001f)
|
|
appendArrowHead(dd, p, q, as0, col);
|
|
if (as1 > 0.001f)
|
|
appendArrowHead(dd, q, p, as1, col);
|
|
}
|
|
|
|
void duAppendCircle(struct duDebugDraw* dd, const float x, const float y, const float z,
|
|
const float r, unsigned int col)
|
|
{
|
|
if (!dd) return;
|
|
static const int NUM_SEG = 40;
|
|
static float dir[40*2];
|
|
static bool init = false;
|
|
if (!init)
|
|
{
|
|
init = true;
|
|
for (int i = 0; i < NUM_SEG; ++i)
|
|
{
|
|
const float a = (float)i/(float)NUM_SEG*DU_PI*2;
|
|
dir[i*2] = cosf(a);
|
|
dir[i*2+1] = sinf(a);
|
|
}
|
|
}
|
|
|
|
for (int i = 0, j = NUM_SEG-1; i < NUM_SEG; j = i++)
|
|
{
|
|
dd->vertex(x+dir[j*2+0]*r, y, z+dir[j*2+1]*r, col);
|
|
dd->vertex(x+dir[i*2+0]*r, y, z+dir[i*2+1]*r, col);
|
|
}
|
|
}
|
|
|
|
void duAppendCross(struct duDebugDraw* dd, const float x, const float y, const float z,
|
|
const float s, unsigned int col)
|
|
{
|
|
if (!dd) return;
|
|
dd->vertex(x-s,y,z, col);
|
|
dd->vertex(x+s,y,z, col);
|
|
dd->vertex(x,y-s,z, col);
|
|
dd->vertex(x,y+s,z, col);
|
|
dd->vertex(x,y,z-s, col);
|
|
dd->vertex(x,y,z+s, col);
|
|
}
|
|
|
|
duDisplayList::duDisplayList(int cap) :
|
|
m_pos(0),
|
|
m_color(0),
|
|
m_size(0),
|
|
m_cap(0),
|
|
m_prim(DU_DRAW_LINES),
|
|
m_primSize(1.0f),
|
|
m_depthMask(true)
|
|
{
|
|
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::end()
|
|
{
|
|
}
|
|
|
|
void duDisplayList::draw(struct duDebugDraw* dd)
|
|
{
|
|
if (!dd) return;
|
|
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();
|
|
}
|