120 lines
4.6 KiB
C
120 lines
4.6 KiB
C
//
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// Copyright (c) 2009 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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#ifndef DEBUGDRAW_H
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#define DEBUGDRAW_H
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enum duDebugDrawPrimitives
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{
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DU_DRAW_POINTS,
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DU_DRAW_LINES,
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DU_DRAW_TRIS,
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DU_DRAW_QUADS,
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};
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// Abstrace debug draw interface.
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struct duDebugDraw
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{
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// Begin drawing primitives.
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// Params:
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// prim - (in) primitive type to draw, one of rcDebugDrawPrimitives.
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// nverts - (in) number of vertices to be submitted.
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// size - (in) size of a primitive, applies to point size and line width only.
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virtual void begin(duDebugDrawPrimitives prim, float size = 1.0f) = 0;
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// Submit a vertex
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// Params:
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// pos - (in) position of the verts.
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// color - (in) color of the verts.
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virtual void vertex(const float* pos, unsigned int color) = 0;
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// Submit a vertex
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// Params:
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// x,y,z - (in) position of the verts.
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// color - (in) color of the verts.
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virtual void vertex(const float x, const float y, const float z, unsigned int color) = 0;
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// End drawing primitives.
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virtual void end() = 0;
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};
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inline unsigned int duRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
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{
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return (r) | (g << 8) | (b << 16) | (a << 24);
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}
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inline unsigned int duRGBAf(float fr, float fg, float fb, float fa)
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{
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unsigned char r = (unsigned char)(fr*255.0f);
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unsigned char g = (unsigned char)(fg*255.0f);
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unsigned char b = (unsigned char)(fb*255.0f);
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unsigned char a = (unsigned char)(fa*255.0f);
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return duRGBA(r,g,b,a);
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}
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unsigned int duIntToCol(int i, int a);
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void duIntToCol(int i, float* col);
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void duCalcBoxColors(unsigned int* colors, unsigned int colTop, unsigned int colSide);
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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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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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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, unsigned int col, const float lineWidth);
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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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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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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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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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// Versions without begin/end, can be used to draw multiple primitives.
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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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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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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, unsigned int col);
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void duAppendCircle(struct duDebugDraw* dd, const float x, const float y, const float z,
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const float r, unsigned int col);
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void duAppendCross(struct duDebugDraw* dd, const float x, const float y, const float z,
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const float size, unsigned int col);
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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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#endif // DEBUGDRAW_H
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