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geometryv: added attrib/radius info and show 3d axes option
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max camera distance depends on loaded mesh size
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@attilaz @bkaradzic
attilaz authored and bkaradzic committed Nov 8, 2019
1 parent 84e8935 commit 16e12b3
Showing 1 changed file with 81 additions and 20 deletions.
101 changes: 81 additions & 20 deletions tools/geometryv/geometryv.cpp
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Expand Up @@ -19,6 +19,7 @@
#include <entry/cmd.h>
#include <entry/dialog.h>
#include <imgui/imgui.h>
#include <debugdraw/debugdraw.h>
#include <bgfx_utils.h>

#include <tinystl/allocator.h>
Expand All @@ -45,6 +46,30 @@ static const bgfx::EmbeddedShader s_embeddedShaders[] =
BGFX_EMBEDDED_SHADER_END()
};

static const char* s_attribShortNames[] =
{
"P", // Position
"N", // Normal
"T", // Tangent
"B", // Bitangent
"C0", // Color0
"C1", // Color1
"C2", // Color2
"C3", // Color3
"I", // Indices
"W", // Weight
"TC0", // TexCoord0
"TC1", // TexCoord1
"TC2", // TexCoord2
"TC3", // TexCoord3
"TC4", // TexCoord4
"TC5", // TexCoord5
"TC6", // TexCoord6
"TC7", // TexCoord7
};
BX_STATIC_ASSERT(BX_COUNTOF(s_attribShortNames) == bgfx::Attrib::Count);


static const char* s_supportedExt[] =
{
"bin",
Expand Down Expand Up @@ -144,21 +169,24 @@ struct Camera
{
Camera()
{
init(bx::Vec3(0.0f,0.0f,0.0f), 2.0f);
init(bx::Vec3(0.0f,0.0f,0.0f), 2.0f, 0.01f, 100.0f);
}

void init(const bx::Vec3& _center, float _distance)
void init(const bx::Vec3& _center, float _distance, float _near, float _far)
{
m_target.curr = _center;
m_target.dest = _center;

m_pos.curr = _center;
m_pos.curr.z -= _distance;
m_pos.curr.z += _distance;
m_pos.dest = _center;
m_pos.dest.z -= _distance;
m_pos.dest.z += _distance;

m_orbit[0] = 0.0f;
m_orbit[1] = 0.0f;

m_near = _near;
m_far = _far;
}

void mtxLookAt(float* _outViewMtx)
Expand All @@ -174,10 +202,7 @@ struct Camera

void distance(float _z)
{
const float cnear = 1.0f;
const float cfar = 100.0f;

_z = bx::clamp(_z, cnear, cfar);
_z = bx::clamp(_z, m_near, m_far);

bx::Vec3 toTarget = bx::sub(m_target.dest, m_pos.dest);
bx::Vec3 toTargetNorm = bx::normalize(toTarget);
Expand All @@ -187,18 +212,16 @@ struct Camera

void dolly(float _dz)
{
const float cnear = 1.0f;
const float cfar = 100.0f;

const bx::Vec3 toTarget = bx::sub(m_target.dest, m_pos.dest);
const float toTargetLen = bx::length(toTarget);
const float invToTargetLen = 1.0f / (toTargetLen + bx::kFloatMin);
const bx::Vec3 toTargetNorm = bx::mul(toTarget, invToTargetLen);

float delta = toTargetLen * _dz;
float newLen = toTargetLen + delta;
if ( (cnear < newLen || _dz < 0.0f)
&& (newLen < cfar || _dz > 0.0f) )
float newLen = toTargetLen - delta;

if ( (m_near < newLen || _dz < 0.0f)
&& (newLen < m_far || _dz > 0.0f) )
{
m_pos.dest = bx::mad(toTargetNorm, delta, m_pos.dest);
}
Expand Down Expand Up @@ -249,6 +272,7 @@ struct Camera
Interp3f m_target;
Interp3f m_pos;
float m_orbit[2];
float m_near, m_far;
};

struct Mouse
Expand Down Expand Up @@ -298,6 +322,7 @@ struct View
, m_about(false)
, m_info(false)
, m_files(false)
, m_axes(false)
, m_meshCenter(0.0f,0.0f,0.0f)
, m_meshRadius(1.0f)
, m_idleTimer(0.0f)
Expand Down Expand Up @@ -383,6 +408,10 @@ struct View
m_camera.m_orbit[1] = 0.0f;
}
}
else if (0 == bx::strCmp(_argv[1], "axes") )
{
m_axes ^= true;
}
}

return 0;
Expand Down Expand Up @@ -539,6 +568,7 @@ struct View
bool m_about;
bool m_info;
bool m_files;
bool m_axes;

Camera m_camera;
Mouse m_mouse;
Expand Down Expand Up @@ -707,6 +737,8 @@ int _main_(int _argc, char** _argv)
);

imguiCreate();

ddInit();

const bgfx::Caps* caps = bgfx::getCaps();
bgfx::RendererType::Enum type = caps->rendererType;
Expand Down Expand Up @@ -836,6 +868,14 @@ int _main_(int _argc, char** _argv)
{
cmdExec(s_resetCmd);
}

ImGui::Separator();

bool axes = view.m_axes;
if (ImGui::MenuItem("XYZ Axes", NULL, &axes) )
{
cmdExec("view axes");
}

ImGui::Separator();

Expand Down Expand Up @@ -937,7 +977,7 @@ int _main_(int _argc, char** _argv)
if (view.m_info)
{
ImGui::SetNextWindowSize(
ImVec2(300.0f, 320.0f)
ImVec2(450.0f, 320.0f)
, ImGuiCond_FirstUseEver
);

Expand All @@ -951,16 +991,27 @@ int _main_(int _argc, char** _argv)
}
else
{
ImGui::Text("Name: %s", view.m_fileList[view.m_fileIndex].c_str() );
char layout[128] = {0};
for(int32_t attrib = bgfx::Attrib::Position; attrib < bgfx::Attrib::Count; attrib++)
{
if ( mesh->m_layout.has(bgfx::Attrib::Enum(attrib)) )
bx::strCat(layout, sizeof(layout), s_attribShortNames[attrib]);
}

ImGui::Text("Name: %s %s", view.m_fileList[view.m_fileIndex].c_str(), layout);

ImGui::Indent();
for (GroupArray::const_iterator itGroup = mesh->m_groups.begin(), itGroupEnd = mesh->m_groups.end(); itGroup != itGroupEnd; ++itGroup)
{
ImGui::Text("Group v %d i %d", itGroup->m_numVertices, itGroup->m_numIndices);
ImGui::Text("Group v %d i %d c %.2f %.2f %.2f r %.2f", itGroup->m_numVertices, itGroup->m_numIndices,
itGroup->m_sphere.center.x, itGroup->m_sphere.center.y, itGroup->m_sphere.center.z,
itGroup->m_sphere.radius);
ImGui::Indent();
for (PrimitiveArray::const_iterator itPrim = itGroup->m_prims.begin(), itPrimEnd = itGroup->m_prims.end(); itPrim != itPrimEnd; ++itPrim)
{
ImGui::Text("Primitive v %d i %d", itPrim->m_numVertices, itPrim->m_numIndices);
ImGui::Text("Primitive v %d i %d c %.2f %.2f %.2f r %.2f", itPrim->m_numVertices, itPrim->m_numIndices,
itPrim->m_sphere.center.x, itPrim->m_sphere.center.y, itPrim->m_sphere.center.z,
itPrim->m_sphere.radius);
}
ImGui::Unindent();
}
Expand Down Expand Up @@ -1163,7 +1214,7 @@ int _main_(int _argc, char** _argv)
view.m_meshCenter = getCenter(boundingBox);
view.m_meshRadius = bx::length(getExtents(boundingBox));

view.m_camera.init( view.m_meshCenter, view.m_meshRadius * 2.0f);
view.m_camera.init( view.m_meshCenter, view.m_meshRadius * 2.0f, 0.01f, view.m_meshRadius * 10.0f);
}
else
{
Expand All @@ -1190,13 +1241,21 @@ int _main_(int _argc, char** _argv)

float projMatrix[16];
const float aspect = float(view.m_width)/float(view.m_height);
bx::mtxProj(projMatrix, 60.0f, aspect, 0.1f, 1000.0f, caps->homogeneousDepth);
bx::mtxProj(projMatrix, 60.0f, aspect, 0.01f, 1000.0f, caps->homogeneousDepth);

bgfx::setViewTransform(SCENE_VIEW_ID, viewMatrix, projMatrix);
bgfx::setViewRect(SCENE_VIEW_ID, 0, 0, uint16_t(view.m_width), uint16_t(view.m_height) );

bgfx::touch(SCENE_VIEW_ID);

if ( view.m_axes )
{
DebugDrawEncoder dde;
dde.begin(SCENE_VIEW_ID);
dde.drawAxis(0.0f, 0.0f, 0.0f);
dde.end();
}

bgfx::dbgTextClear();

float orientation[16];
Expand Down Expand Up @@ -1234,6 +1293,8 @@ int _main_(int _argc, char** _argv)

bgfx::destroy(meshProgram);

ddShutdown();

imguiDestroy();

bgfx::shutdown();
Expand Down

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