Files
recastnavigation/RecastDemo/Source/TestCase.cpp
2025-08-31 23:24:05 -04:00

444 lines
11 KiB
C++

//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#include "TestCase.h"
#include "DetourCommon.h"
#include "DetourNavMeshQuery.h"
#include "SDL_opengl.h"
#include "SampleInterfaces.h"
#include "imguiHelpers.h"
#include <imgui.h>
#ifdef WIN32
# define snprintf _snprintf
#endif
static char* parseRow(char* buf, char* bufEnd, char* row, int len)
{
bool start = true;
bool done = false;
int n = 0;
while (!done && buf < bufEnd)
{
char c = *buf;
buf++;
// multirow
switch (c)
{
case '\n':
if (start)
{
break;
}
done = true;
break;
case '\r':
break;
case '\t':
case ' ':
if (start)
{
break;
}
// else falls through
default:
start = false;
row[n++] = c;
if (n >= len - 1)
{
done = true;
}
break;
}
}
row[n] = '\0';
return buf;
}
static void copyName(std::string& dst, const char* src)
{
// Skip white spaces
while (*src && isspace(*src))
{
src++;
}
dst = src;
}
bool TestCase::load(const std::string& filePath)
{
FileIO file;
if (!file.openForRead(filePath.c_str()))
{
// ctx->log(RC_LOG_ERROR, "buildTiledNavigation: Could not load '%s'", filePath.c_str());
return false;
}
size_t bufferLen = file.getFileSize();
char* buffer = new char[bufferLen];
if (!file.read(buffer, bufferLen))
{
// ctx->log(RC_LOG_ERROR, "buildTiledNavigation: Could not load '%s'", filePath.c_str());
return false;
}
char* src = buffer;
char* srcEnd = buffer + bufferLen;
char row[512];
while (src < srcEnd)
{
// Parse one row
row[0] = '\0';
src = parseRow(src, srcEnd, row, sizeof(row) / sizeof(char));
if (row[0] == 's')
{
// Sample name.
copyName(sampleName, row + 1);
}
else if (row[0] == 'f')
{
// File name.
copyName(geomFileName, row + 1);
}
else if (row[0] == 'p' && row[1] == 'f')
{
// Pathfind test.
Test test;
test.type = TestCase::TestType::PATHFIND;
test.expand = false;
sscanf(
row + 2,
"%f %f %f %f %f %f %hx %hx",
&test.spos[0],
&test.spos[1],
&test.spos[2],
&test.epos[0],
&test.epos[1],
&test.epos[2],
&test.includeFlags,
&test.excludeFlags);
tests.emplace_back(std::move(test));
}
else if (row[0] == 'r' && row[1] == 'c')
{
// Pathfind test.
Test test;
test.type = TestCase::TestType::RAYCAST;
test.expand = false;
sscanf(
row + 2,
"%f %f %f %f %f %f %hx %hx",
&test.spos[0],
&test.spos[1],
&test.spos[2],
&test.epos[0],
&test.epos[1],
&test.epos[2],
&test.includeFlags,
&test.excludeFlags);
tests.emplace_back(std::move(test));
}
}
delete[] buffer;
return true;
}
void TestCase::resetTimes()
{
for (Test& test : tests)
{
test.findNearestPolyTime = 0;
test.findPathTime = 0;
test.findStraightPathTime = 0;
}
}
void TestCase::doTests(dtNavMesh* navmesh, dtNavMeshQuery* navquery)
{
if (!navmesh || !navquery)
{
return;
}
resetTimes();
static const int MAX_POLYS = 256;
dtPolyRef polys[MAX_POLYS];
float straight[MAX_POLYS * 3];
const float polyPickExt[3] = {2, 4, 2};
for (auto& test : tests)
{
test.polys.clear();
test.straight.clear();
dtQueryFilter filter;
filter.setIncludeFlags(test.includeFlags);
filter.setExcludeFlags(test.excludeFlags);
// Find start points
TimeVal findNearestPolyStart = getPerfTime();
dtPolyRef startRef, endRef;
navquery->findNearestPoly(test.spos, polyPickExt, &filter, &startRef, test.nspos);
navquery->findNearestPoly(test.epos, polyPickExt, &filter, &endRef, test.nepos);
TimeVal findNearestPolyEnd = getPerfTime();
test.findNearestPolyTime += getPerfTimeUsec(findNearestPolyEnd - findNearestPolyStart);
if (!startRef || !endRef)
{
continue;
}
if (test.type == TestCase::TestType::PATHFIND)
{
// Find path
TimeVal findPathStart = getPerfTime();
int numPolys = 0;
navquery->findPath(startRef, endRef, test.spos, test.epos, &filter, polys, &numPolys, MAX_POLYS);
TimeVal findPathEnd = getPerfTime();
test.findPathTime += getPerfTimeUsec(findPathEnd - findPathStart);
// Find straight path
int numStraight = 0;
if (numPolys)
{
TimeVal findStraightPathStart = getPerfTime();
navquery->findStraightPath(
test.spos,
test.epos,
polys,
numPolys,
straight,
0,
0,
&numStraight,
MAX_POLYS);
TimeVal findStraightPathEnd = getPerfTime();
test.findStraightPathTime += getPerfTimeUsec(findStraightPathEnd - findStraightPathStart);
}
// Copy results
if (numPolys)
{
test.polys.resize(numPolys);
memcpy(test.polys.data(), polys, sizeof(dtPolyRef) * numPolys);
}
if (numStraight > 0)
{
test.straight.resize(numStraight * 3);
memcpy(test.straight.data(), straight, sizeof(float) * 3 * numStraight);
}
}
else if (test.type == TestCase::TestType::RAYCAST)
{
float t = 0;
float hitNormal[3];
float hitPos[3];
test.straight.resize(2 * 3);
test.straight[0] = test.spos[0];
test.straight[1] = test.spos[1];
test.straight[2] = test.spos[2];
TimeVal findPathStart = getPerfTime();
int numPolys = 0;
navquery->raycast(startRef, test.spos, test.epos, &filter, &t, hitNormal, polys, &numPolys, MAX_POLYS);
TimeVal findPathEnd = getPerfTime();
test.findPathTime += getPerfTimeUsec(findPathEnd - findPathStart);
if (t > 1)
{
// No hit
dtVcopy(hitPos, test.epos);
}
else
{
// Hit
dtVlerp(hitPos, test.spos, test.epos, t);
}
// Adjust height.
if (numPolys > 0)
{
float h = 0;
navquery->getPolyHeight(polys[numPolys - 1], hitPos, &h);
hitPos[1] = h;
}
dtVcopy(&test.straight[3], hitPos);
if (numPolys)
{
test.polys.resize(numPolys);
memcpy(test.polys.data(), polys, sizeof(dtPolyRef) * numPolys);
}
}
}
printf("Test Results:\n");
int n = 0;
for (auto& test : tests)
{
const int total = test.findNearestPolyTime + test.findPathTime + test.findStraightPathTime;
printf(" - Path %02d: %.4f ms\n", n, (float)total / 1000.0f);
printf(" - poly: %.4f ms\n", (float)test.findNearestPolyTime / 1000.0f);
printf(" - path: %.4f ms\n", (float)test.findPathTime / 1000.0f);
printf(" - straight: %.4f ms\n", (float)test.findStraightPathTime / 1000.0f);
n++;
}
}
void TestCase::render()
{
glLineWidth(2.0f);
glBegin(GL_LINES);
for (auto& test : tests)
{
float dir[3];
dtVsub(dir, test.epos, test.spos);
dtVnormalize(dir);
glColor4ub(128, 25, 0, 192);
glVertex3f(test.spos[0], test.spos[1] - 0.3f, test.spos[2]);
glVertex3f(test.spos[0], test.spos[1] + 0.3f, test.spos[2]);
glVertex3f(test.spos[0], test.spos[1] + 0.3f, test.spos[2]);
glVertex3f(test.spos[0] + dir[0] * 0.3f, test.spos[1] + 0.3f + dir[1] * 0.3f, test.spos[2] + dir[2] * 0.3f);
glColor4ub(51, 102, 0, 129);
glVertex3f(test.epos[0], test.epos[1] - 0.3f, test.epos[2]);
glVertex3f(test.epos[0], test.epos[1] + 0.3f, test.epos[2]);
if (test.expand)
{
const float s = 0.1f;
glColor4ub(255, 32, 0, 128);
glVertex3f(test.spos[0] - s, test.spos[1], test.spos[2]);
glVertex3f(test.spos[0] + s, test.spos[1], test.spos[2]);
glVertex3f(test.spos[0], test.spos[1], test.spos[2] - s);
glVertex3f(test.spos[0], test.spos[1], test.spos[2] + s);
glColor4ub(255, 192, 0, 255);
glVertex3f(test.nspos[0] - s, test.nspos[1], test.nspos[2]);
glVertex3f(test.nspos[0] + s, test.nspos[1], test.nspos[2]);
glVertex3f(test.nspos[0], test.nspos[1], test.nspos[2] - s);
glVertex3f(test.nspos[0], test.nspos[1], test.nspos[2] + s);
glColor4ub(255, 32, 0, 128);
glVertex3f(test.epos[0] - s, test.epos[1], test.epos[2]);
glVertex3f(test.epos[0] + s, test.epos[1], test.epos[2]);
glVertex3f(test.epos[0], test.epos[1], test.epos[2] - s);
glVertex3f(test.epos[0], test.epos[1], test.epos[2] + s);
glColor4ub(255, 192, 0, 255);
glVertex3f(test.nepos[0] - s, test.nepos[1], test.nepos[2]);
glVertex3f(test.nepos[0] + s, test.nepos[1], test.nepos[2]);
glVertex3f(test.nepos[0], test.nepos[1], test.nepos[2] - s);
glVertex3f(test.nepos[0], test.nepos[1], test.nepos[2] + s);
}
if (test.expand)
{
glColor4ub(255, 192, 0, 255);
}
else
{
glColor4ub(0, 0, 0, 64);
}
int numStraight = static_cast<int>(test.straight.size()) / 3;
for (int i = 0; i < numStraight - 1; ++i)
{
glVertex3f(test.straight[i * 3 + 0], test.straight[i * 3 + 1] + 0.3f, test.straight[i * 3 + 2]);
glVertex3f(
test.straight[(i + 1) * 3 + 0],
test.straight[(i + 1) * 3 + 1] + 0.3f,
test.straight[(i + 1) * 3 + 2]);
}
}
glEnd();
glLineWidth(1.0f);
}
bool TestCase::renderOverlay()
{
char text[64];
int n = 0;
static constexpr float LABEL_DIST = 1.0f;
for (auto& test : tests)
{
float pt[3];
float dir[3];
if (!test.straight.empty())
{
dtVcopy(pt, &test.straight[3]);
if (dtVdist(pt, test.spos) > LABEL_DIST)
{
dtVsub(dir, pt, test.spos);
dtVnormalize(dir);
dtVmad(pt, test.spos, dir, LABEL_DIST);
}
pt[1] += 0.5f;
}
else
{
dtVsub(dir, test.epos, test.spos);
dtVnormalize(dir);
dtVmad(pt, test.spos, dir, LABEL_DIST);
pt[1] += 0.5f;
}
snprintf(text, 64, "Path %d\n", n);
unsigned int color = test.expand ? IM_COL32(255, 192, 0, 220) : IM_COL32(0, 0, 0, 128);
DrawWorldspaceText(pt[0], pt[1], pt[2], color, text, true, 25);
n++;
}
ImGui::SetNextWindowPos(ImVec2(10, static_cast<float>(app.viewport[3]) - 10 - 350), ImGuiCond_Always); // Position in screen space
ImGui::SetNextWindowSize(ImVec2(200, 350), ImGuiCond_Always); // Size of the window
ImGui::Begin("Test Results");
n = 0;
for (auto& test : tests)
{
const int total = test.findNearestPolyTime + test.findPathTime + test.findStraightPathTime;
snprintf(text, 64, "Path %d", n);
if (ImGui::CollapsingHeader(text, ImGuiTreeNodeFlags_DefaultOpen))
{
ImGui::Text("Total: %.4f ms", static_cast<float>(total) / 1000.0f);
ImGui::Text("Poly: %.4f ms", static_cast<float>(test.findNearestPolyTime) / 1000.0f);
ImGui::Text("Path: %.4f ms", static_cast<float>(test.findPathTime) / 1000.0f);
ImGui::Text("Straight: %.4f ms", static_cast<float>(test.findStraightPathTime) / 1000.0f);
ImGui::Separator();
}
}
ImGui::End();
return false;
}