153 lines
3.6 KiB
C++
153 lines
3.6 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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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#include <float.h>
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#include "SDL.h"
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#include "SDL_opengl.h"
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#include "imgui.h"
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#include "BoxVolumeTool.h"
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#include "InputGeom.h"
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#include "Sample.h"
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#include "Recast.h"
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#include "RecastDebugDraw.h"
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#include "DetourDebugDraw.h"
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#ifdef WIN32
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# define snprintf _snprintf
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#endif
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BoxVolumeTool::BoxVolumeTool() :
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m_sample(0),
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m_hitPosSet(0),
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m_areaType(1),
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m_boxHeight(5.0f)
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{
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}
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BoxVolumeTool::~BoxVolumeTool()
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{
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}
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void BoxVolumeTool::init(Sample* sample)
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{
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m_sample = sample;
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}
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void BoxVolumeTool::reset()
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{
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m_hitPosSet = false;
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}
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void BoxVolumeTool::handleMenu()
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{
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imguiSlider("Box Height", &m_boxHeight, 0.1f, 20.0f, 0.1f);
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imguiSlider("Area Type", &m_areaType, 1.0f, 20.0f, 1.0f);
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if (!m_hitPosSet)
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{
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imguiValue("Click to set connection start.");
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}
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else
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{
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imguiValue("Click to set connection end.");
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}
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}
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void BoxVolumeTool::handleClick(const float* p, bool shift)
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{
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if (!m_sample) return;
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InputGeom* geom = m_sample->getInputGeom();
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if (!geom) return;
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if (shift)
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{
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// Delete
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// Find nearest link end-point
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int nearestIndex = -1;
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const float* verts = geom->getBoxVolumeVerts();
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for (int i = 0; i < geom->getBoxVolumeCount(); ++i)
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{
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const float* bmin = &verts[(i*2+0)*3];
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const float* bmax = &verts[(i*2+1)*3];
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if (p[0] >= bmin[0] && p[0] <= bmax[0] &&
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p[1] >= bmin[1] && p[1] <= bmax[1] &&
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p[2] >= bmin[2] && p[2] <= bmax[2])
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{
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nearestIndex = i; // Each link has two vertices.
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}
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}
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// If end point close enough, delete it.
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if (nearestIndex != -1)
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{
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geom->deleteBoxVolume(nearestIndex);
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}
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}
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else
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{
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// Create
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if (!m_hitPosSet)
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{
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vcopy(m_hitPos, p);
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m_hitPosSet = true;
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}
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else
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{
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float bmin[3], bmax[3];
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vcopy(bmin, m_hitPos);
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vcopy(bmax, m_hitPos);
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vmin(bmin, p);
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vmax(bmax, p);
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bmin[1] -= m_boxHeight/4.0f;
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bmax[1] = bmin[1]+m_boxHeight;
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geom->addBoxVolume(bmin, bmax, (unsigned char)m_areaType);
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m_hitPosSet = false;
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}
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}
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}
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void BoxVolumeTool::handleRender()
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{
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DebugDrawGL dd;
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const float s = m_sample->getAgentRadius();
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if (m_hitPosSet)
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duDebugDrawCross(&dd, m_hitPos[0],m_hitPos[1]+0.1f,m_hitPos[2], s, duRGBA(0,0,0,128), 2.0f);
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InputGeom* geom = m_sample->getInputGeom();
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if (geom)
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geom->drawBoxVolumes(&dd, true);
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}
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void BoxVolumeTool::handleRenderOverlay(double* proj, double* model, int* view)
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{
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GLdouble x, y, z;
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// Draw start and end point labels
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if (m_hitPosSet && gluProject((GLdouble)m_hitPos[0], (GLdouble)m_hitPos[1], (GLdouble)m_hitPos[2],
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model, proj, view, &x, &y, &z))
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{
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imguiDrawText((int)x, (int)(y-25), IMGUI_ALIGN_CENTER, "Start", imguiRGBA(0,0,0,220));
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}
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}
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