void ComponentDrawCamera::draw (CameraObject* camera)
{
CameraObject *placeable = checkedCast<CameraObject*>(getOwner());
if (!placeable)
return;
_line_material.setBlendEnable(false);
_line_material.setDepthEnable(true);
_line_material.setCullMode(DT3GL_CULL_NONE);
_line_material.setColor(_color);
_line_material.setShader(ShaderResource::getShader(FilePath("{editorline.shdr}")));
DrawBatcher b;
b.batchBegin(&_line_material, placeable->getTransform(), DrawBatcher::BATCH_LINES, DrawBatcher::FMT_V);
// Can
for (DTuint i = 0; i < ARRAY_SIZE(can); ++i) {
b.vertex( Vector3(THICKNESS, can[i].x, can[i].y) );
b.vertex( Vector3(-THICKNESS, can[i].x, can[i].y) );
}
for (DTuint i = 0; i < ARRAY_SIZE(can)-1; ++i) {
b.vertex( Vector3(THICKNESS, can[i].x, can[i].y) );
b.vertex( Vector3(THICKNESS, can[i+1].x, can[i+1].y) );
b.vertex( Vector3(-THICKNESS, can[i].x, can[i].y) );
b.vertex( Vector3(-THICKNESS, can[i+1].x, can[i+1].y) );
}
// Box
for (DTuint i = 0; i < ARRAY_SIZE(box); ++i) {
b.vertex( Vector3(THICKNESS, box[i].x, box[i].y) );
b.vertex( Vector3(-THICKNESS, box[i].x, box[i].y) );
}
for (DTuint i = 0; i < ARRAY_SIZE(box)-1; ++i) {
b.vertex( Vector3(THICKNESS, box[i].x, box[i].y) );
b.vertex( Vector3(THICKNESS, box[i+1].x, box[i+1].y) );
b.vertex( Vector3(-THICKNESS, box[i].x, box[i].y) );
b.vertex( Vector3(-THICKNESS, box[i+1].x, box[i+1].y) );
}
// Side
for (DTuint i = 0; i < ARRAY_SIZE(side); ++i) {
b.vertex( Vector3(THICKNESS, side[i].x, side[i].y) );
b.vertex( Vector3(SIDE_THICKNESS+THICKNESS, side[i].x, side[i].y) );
}
for (DTuint i = 0; i < ARRAY_SIZE(side)-1; ++i) {
b.vertex( Vector3(THICKNESS, side[i].x, side[i].y) );
b.vertex( Vector3(THICKNESS, side[i+1].x, side[i+1].y) );
b.vertex( Vector3(SIDE_THICKNESS+THICKNESS, side[i].x, side[i].y) );
b.vertex( Vector3(SIDE_THICKNESS+THICKNESS, side[i+1].x, side[i+1].y) );
}
// Lens
for (DTuint i = 0; i < ARRAY_SIZE(lens); ++i) {
b.vertex( Vector3(LENS_THICKNESS, lens[i].x, lens[i].y) );
b.vertex( Vector3(-LENS_THICKNESS, lens[i].x, lens[i].y) );
}
for (DTuint i = 0; i < ARRAY_SIZE(lens)-1; ++i) {
b.vertex( Vector3(LENS_THICKNESS, lens[i].x, lens[i].y) );
b.vertex( Vector3(LENS_THICKNESS, lens[i+1].x, lens[i+1].y) );
b.vertex( Vector3(-LENS_THICKNESS, lens[i].x, lens[i].y) );
b.vertex( Vector3(-LENS_THICKNESS, lens[i+1].x, lens[i+1].y) );
}
b.batchEnd();
b.flush();
// Frustum
placeable->calculateFrustum();
Matrix4 projection_inv = placeable->getProjection().inversed();
Vector3 near_p0, near_p1, near_p2, near_p3;
Vector3 far_p0, far_p1, far_p2, far_p3;
MATTransform4H(projection_inv, Vector3(-1.0F,-1.0F,-1.0F), near_p0);
MATTransform4H(projection_inv, Vector3(1.0F,-1.0F,-1.0F), near_p1);
MATTransform4H(projection_inv, Vector3(1.0F,1.0F,-1.0F), near_p2);
MATTransform4H(projection_inv, Vector3(-1.0F,1.0F,-1.0F), near_p3);
MATTransform4H(projection_inv, Vector3(-1.0F,-1.0F,1.0F), far_p0);
MATTransform4H(projection_inv, Vector3(1.0F,-1.0F,1.0F), far_p1);
MATTransform4H(projection_inv, Vector3(1.0F,1.0F,1.0F), far_p2);
MATTransform4H(projection_inv, Vector3(-1.0F,1.0F,1.0F), far_p3);
b.batchBegin (&_line_material, placeable->getTransform(), DrawBatcher::BATCH_LINE_LOOP, DrawBatcher::FMT_V);
b.vertex ( near_p0);
b.vertex ( near_p1);
b.vertex ( near_p2);
b.vertex ( near_p3);
b.batchEnd();
b.flush();
b.batchBegin (&_line_material, placeable->getTransform(), DrawBatcher::BATCH_LINE_LOOP, DrawBatcher::FMT_V);
b.vertex ( far_p0);
b.vertex ( far_p1);
b.vertex ( far_p2);
b.vertex ( far_p3);
b.batchEnd();
b.flush();
b.batchBegin (&_line_material, placeable->getTransform(), DrawBatcher::BATCH_LINE_LOOP, DrawBatcher::FMT_V);
b.vertex ( near_p0);
b.vertex ( near_p1);
b.vertex ( far_p1);
b.vertex ( far_p0);
b.batchEnd();
b.flush();
b.batchBegin (&_line_material, placeable->getTransform(), DrawBatcher::BATCH_LINE_LOOP, DrawBatcher::FMT_V);
b.vertex ( near_p2);
b.vertex ( near_p3);
b.vertex ( far_p3);
b.vertex ( far_p2);
b.batchEnd();
b.flush();
}
void EdLevelManipScale::draw (EdLevelToolWindow *parent, const std::shared_ptr<CameraObject> &camera, DTfloat scale)
{
DrawBatcher b;
Matrix4 axis;
Matrix4 transform = getManipulatorTransform();
Matrix3 orientation = transform.orientation();
Vector3 translation = transform.translation();
transform = Matrix4(orientation, translation, scale);
::glPushName(0);
// Center
::glLoadName(CENTER);
axis = Matrix4( Matrix3( 1.0F, 0.0F, 0.0F,
0.0F, 1.0F, 0.0F,
0.0F, 0.0F, 1.0F),
Vector3(0.0F,0.0F,0.0F),
1.0F);
DrawUtils::draw_cube ( b,
camera,
_tool_material,
_shader,
transform * axis,
Color4b::white,
0.05F);
b.flush();
// X Axis
::glLoadName(PLUS_X);
axis = Matrix4( Matrix3( 0.0F, 1.0F, 0.0F,
1.0F, 0.0F, 0.0F,
0.0F, 0.0F, -1.0F),
Vector3(1.0F,0.0F,0.0F),
1.0F);
DrawUtils::draw_cube ( b,
camera,
_tool_material,
_shader,
transform * axis,
Color4b::red,
0.05F);
b.flush();
// Y Axis
::glLoadName(PLUS_Y);
axis = Matrix4( Matrix3( 1.0F, 0.0F, 0.0F,
0.0F, 1.0F, 0.0F,
0.0F, 0.0F, 1.0F),
Vector3(0.0F,1.0F,0.0F),
1.0F);
DrawUtils::draw_cube ( b,
camera,
_tool_material,
_shader,
transform * axis,
Color4b::green,
0.05F);
b.flush();
// Z Axis
::glLoadName(PLUS_Z);
axis = Matrix4( Matrix3( 1.0F, 0.0F, 0.0F,
0.0F, 0.0F, -1.0F,
0.0F, 1.0F, 0.0F),
Vector3(0.0F,0.0F,1.0F),
1.0F);
DrawUtils::draw_cube ( b,
camera,
_tool_material,
_shader,
transform * axis,
Color4b::blue,
0.05F);
b.flush();
::glPopName();
// Draw Lines
b.batch_begin(camera, _tool_material, _shader, transform, DT3GL_PRIM_LINES, DrawBatcher::FMT_V);
b.add().v(0.0F,0.0F,0.0F);
b.add().v(1.0F,0.0F,0.0F);
b.add().v(0.0F,0.0F,0.0F);
b.add().v(0.0F,1.0F,0.0F);
b.add().v(0.0F,0.0F,0.0F);
b.add().v(0.0F,0.0F,1.0F);
b.batch_end();
}