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Changed the sample stuff to support extra link tool. Added simple tool to create eextra links (no detour support yet).

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This commit is contained in:
Mikko Mononen
2010-01-05 14:26:40 +00:00
parent 57c70704d8
commit eb6b215d23
19 changed files with 3692 additions and 740 deletions
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189
RecastDemo/Source/main.cpp
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@@ -1,3 +1,21 @@
//
// Copyright (c) 2009 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 <stdio.h>
#define _USE_MATH_DEFINES
#include <math.h>
@@ -13,7 +31,7 @@
#include "imguiRenderGL.h"
#include "Recast.h"
#include "RecastDebugDraw.h"
#include "MeshLoaderObj.h"
#include "InputGeom.h"
#include "Sample_SoloMeshSimple.h"
#include "Sample_SoloMeshTiled.h"
@@ -24,16 +42,6 @@
#endif
/*GLFont g_font;
void drawText(int x, int y, int dir, const char* text, unsigned int col)
{
if (dir < 0)
g_font.drawText((float)x - g_font.getTextLength(text), (float)y, text, col);
else
g_font.drawText((float)x, (float)y, text, col);
}*/
struct FileList
{
static const int MAX_FILES = 256;
@@ -114,80 +122,6 @@ static void scanDirectory(const char* path, const char* ext, FileList& list)
list.sort();
}
bool intersectSegmentTriangle(const float* sp, const float* sq,
const float* a, const float* b, const float* c,
float &t)
{
float v, w;
float ab[3], ac[3], qp[3], ap[3], norm[3], e[3];
vsub(ab, b, a);
vsub(ac, c, a);
vsub(qp, sp, sq);
// Compute triangle normal. Can be precalculated or cached if
// intersecting multiple segments against the same triangle
vcross(norm, ab, ac);
// Compute denominator d. If d <= 0, segment is parallel to or points
// away from triangle, so exit early
float d = vdot(qp, norm);
if (d <= 0.0f) return false;
// Compute intersection t value of pq with plane of triangle. A ray
// intersects iff 0 <= t. Segment intersects iff 0 <= t <= 1. Delay
// dividing by d until intersection has been found to pierce triangle
vsub(ap, sp, a);
t = vdot(ap, norm);
if (t < 0.0f) return false;
if (t > d) return false; // For segment; exclude this code line for a ray test
// Compute barycentric coordinate components and test if within bounds
vcross(e, qp, ap);
v = vdot(ac, e);
if (v < 0.0f || v > d) return false;
w = -vdot(ab, e);
if (w < 0.0f || v + w > d) return false;
// Segment/ray intersects triangle. Perform delayed division
t /= d;
return true;
}
static bool raycast(rcMeshLoaderObj& mesh, float* src, float* dst, float& tmin)
{
float dir[3];
vsub(dir, dst, src);
int nt = mesh.getTriCount();
const float* verts = mesh.getVerts();
const float* normals = mesh.getNormals();
const int* tris = mesh.getTris();
tmin = 1.0f;
bool hit = false;
for (int i = 0; i < nt*3; i += 3)
{
const float* n = &normals[i];
if (vdot(dir, n) > 0)
continue;
float t = 1;
if (intersectSegmentTriangle(src, dst,
&verts[tris[i]*3],
&verts[tris[i+1]*3],
&verts[tris[i+2]*3], t))
{
if (t < tmin)
tmin = t;
hit = true;
}
}
return hit;
}
struct SampleItem
{
Sample* (*create)();
@@ -272,13 +206,11 @@ int main(int argc, char *argv[])
FileList meshFiles;
char meshName[128] = "Choose Mesh...";
rcMeshLoaderObj* mesh = 0;
float meshBMin[3], meshBMax[3];
InputGeom* geom = 0;
float mpos[3];
bool mposSet = false;
Sample* sample = 0;
rcLog log;
@@ -331,11 +263,11 @@ int main(int argc, char *argv[])
else if (event.button.button == SDL_BUTTON_LEFT)
{
// Hit test mesh.
if (mesh && sample)
if (geom && sample)
{
// Hit test mesh.
float t;
if (raycast(*mesh, rays, raye, t))
if (geom->raycastMesh(rays, raye, t))
{
if (SDL_GetModState() & KMOD_CTRL)
{
@@ -544,16 +476,18 @@ int main(int argc, char *argv[])
scanDirectory("Meshes", ".obj", meshFiles);
}
}
if (mesh)
if (geom)
{
char text[64];
snprintf(text, 64, "Verts: %.1fk Tris: %.1fk", mesh->getVertCount()/1000.0f, mesh->getTriCount()/1000.0f);
snprintf(text, 64, "Verts: %.1fk Tris: %.1fk",
geom->getMesh()->getVertCount()/1000.0f,
geom->getMesh()->getTriCount()/1000.0f);
imguiValue(text);
}
imguiSeparator();
}
if (mesh && sample)
if (geom && sample)
{
sample->handleSettings();
@@ -610,11 +544,9 @@ int main(int argc, char *argv[])
{
delete sample;
sample = newSample;
if (mesh && sample)
if (geom && sample)
{
sample->handleMeshChanged(mesh->getVerts(), mesh->getVertCount(),
mesh->getTris(), mesh->getNormals(), mesh->getTriCount(),
meshBMin, meshBMax);
sample->handleMeshChanged(geom);
}
showSample = false;
}
@@ -642,42 +574,47 @@ int main(int argc, char *argv[])
meshName[sizeof(meshName)-1] = '\0';
showLevels = false;
delete mesh;
mesh = 0;
delete geom;
geom = 0;
char path[256];
strcpy(path, "Meshes/");
strcat(path, meshName);
mesh = new rcMeshLoaderObj;
if (!mesh || !mesh->load(path))
geom = new InputGeom;
if (!geom || !geom->loadMesh(path))
{
delete mesh;
mesh = 0;
delete geom;
geom = 0;
showLog = true;
logScroll = 0;
printf("Build log %s:\n", meshName);
for (int i = 0; i < log.getMessageCount(); ++i)
printf("%s\n", log.getMessageText(i));
}
if (mesh)
rcCalcBounds(mesh->getVerts(), mesh->getVertCount(), meshBMin, meshBMax);
if (sample)
if (sample && geom)
{
sample->handleMeshChanged(mesh->getVerts(), mesh->getVertCount(),
mesh->getTris(), mesh->getNormals(), mesh->getTriCount(),
meshBMin, meshBMax);
sample->handleMeshChanged(geom);
}
if (geom)
{
const float* bmin = geom->getMeshBoundsMin();
const float* bmax = geom->getMeshBoundsMax();
// Reset camera and fog to match the mesh bounds.
camr = sqrtf(rcSqr(bmax[0]-bmin[0]) +
rcSqr(bmax[1]-bmin[1]) +
rcSqr(bmax[2]-bmin[2])) / 2;
camx = (bmax[0] + bmin[0]) / 2 + camr;
camy = (bmax[1] + bmin[1]) / 2 + camr;
camz = (bmax[2] + bmin[2]) / 2 + camr;
camr *= 3;
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.2f);
glFogf(GL_FOG_END, camr*1.25f);
}
// Reset camera and fog to match the mesh bounds.
camr = sqrtf(rcSqr(meshBMax[0]-meshBMin[0]) +
rcSqr(meshBMax[1]-meshBMin[1]) +
rcSqr(meshBMax[2]-meshBMin[2])) / 2;
camx = (meshBMax[0] + meshBMin[0]) / 2 + camr;
camy = (meshBMax[1] + meshBMin[1]) / 2 + camr;
camz = (meshBMax[2] + meshBMin[2]) / 2 + camr;
camr *= 3;
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.2f);
glFogf(GL_FOG_END, camr*1.25f);
}
imguiEndScrollArea();
@@ -695,7 +632,7 @@ int main(int argc, char *argv[])
}
// Tools
if (showTools && showMenu && mesh && sample)
if (showTools && showMenu && geom && sample)
{
if (imguiBeginScrollArea("Tools", 10, height - 10 - 250, 200, 250, &toolsScroll))
mouseOverMenu = true;
@@ -737,7 +674,7 @@ int main(int argc, char *argv[])
SDL_Quit();
delete sample;
delete mesh;
delete geom;
return 0;
}