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Merge pull request #1784 from yourarcade/guiSpeedometerHud

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Gui speedometer hud
This commit is contained in:
Areloch 2017-01-09 23:51:04 -06:00 committed by GitHub
parent 03c2ce46c2 8d610787a2
commit 6164f36c47
1 changed files with 37 additions and 29 deletions
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66
Engine/source/T3D/vehicles/guiSpeedometer.cpp
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@ -19,11 +19,11 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "gui/controls/guiBitmapCtrl.h"
#include "console/consoleTypes.h"
#include "T3D/gameBase/gameConnection.h"
#include "T3D/vehicles/vehicle.h"
#include "T3D/player.h"
#include "gfx/primBuilder.h"
//-----------------------------------------------------------------------------
@ -147,42 +147,57 @@ void GuiSpeedometerHud::initPersistFields()
//-----------------------------------------------------------------------------
/**
Gui onRender method.
Renders a health bar with filled background and border.
Renders an analog speedometer needle over a specified bitmap background.
*/
void GuiSpeedometerHud::onRender(Point2I offset, const RectI &updateRect)
{
// Must have a connection and player control object
// Must have a connection
GameConnection* conn = GameConnection::getConnectionToServer();
if (!conn)
return;
Vehicle* control = dynamic_cast<Vehicle*>(conn->getControlObject());
if (!control)
return;
// Requires either a vehicle control object or a vehicle-mounted player
Vehicle* vehicle = dynamic_cast<Vehicle*>(conn->getControlObject());
if(!vehicle){
Player * player = dynamic_cast<Player*>(conn->getControlObject());
if(!player) return;
if (!player->isMounted()) return;
vehicle = dynamic_cast<Vehicle*>(player->getObjectMount());
if(!vehicle) return;
}
Parent::onRender(offset,updateRect);
// Use the vehicle's velocity as its speed...
mSpeed = control->getVelocity().len();
mSpeed = vehicle->getVelocity().len();
if (mSpeed > mMaxSpeed)
mSpeed = mMaxSpeed;
// Render the needle
GFX->pushWorldMatrix();
// Calculate center point if necessary and roll in offsets
Point2F center = mCenter;
if (mIsZero(center.x) && mIsZero(center.y))
{
center.x = getExtent().x / 2.0f;
center.y = getExtent().y / 2.0f;
}
MatrixF newMat(1);
F32 fillOffset = GFX->getFillConventionOffset(); // Find the fill offset
Point2F viewCenter(offset.x + fillOffset + center.x, offset.y + fillOffset + center.y);
newMat.setPosition(Point3F(getLeft() + center.x, getTop() + center.y, 0.0f));
F32 rotation = mMinAngle + (mMaxAngle - mMinAngle) * (mSpeed / mMaxSpeed);
AngAxisF newRot(Point3F(0.0f,0.0f,-1.0f), rotation);
newRot.setMatrix(&newMat);
// Handle rotation calculations
F32 rotation, spinAngle;
rotation = mMinAngle + (mMaxAngle - mMinAngle) * (mSpeed / mMaxSpeed);
spinAngle = mDegToRad(rotation);
MatrixF rotMatrix(EulerF(0.0, 0.0, spinAngle));
// Set up the needle vertex list
Point3F vertList[5];
vertList[0].set(+mNeedleLength,-mNeedleWidth,0);
vertList[1].set(+mNeedleLength,+mNeedleWidth,0);
vertList[2].set(-mTailLength ,+mNeedleWidth,0);
vertList[3].set(-mTailLength ,-mNeedleWidth,0);
vertList[4].set(+mNeedleLength,-mNeedleWidth,0); //// Get back to the start!
// Create a GFXStateBlock description if one has not been set.
if (mBlendSB.isNull())
{
GFXStateBlockDesc desc;
@ -191,22 +206,15 @@ void GuiSpeedometerHud::onRender(Point2I offset, const RectI &updateRect)
desc.samplers[0].textureColorOp = GFXTOPDisable;
mBlendSB = GFX->createStateBlock(desc);
}
GFX->setStateBlock(mBlendSB);
GFX->setTexture(0, NULL);
PrimBuild::begin(GFXLineStrip, 5);
// Render the needle
PrimBuild::color4f(mColor.red, mColor.green, mColor.blue, mColor.alpha);
PrimBuild::vertex2f(+mNeedleLength,-mNeedleWidth);
PrimBuild::vertex2f(+mNeedleLength,+mNeedleWidth);
PrimBuild::vertex2f(-mTailLength ,+mNeedleWidth);
PrimBuild::vertex2f(-mTailLength ,-mNeedleWidth);
//// Get back to the start!
PrimBuild::vertex2f(+mNeedleLength,-mNeedleWidth);
PrimBuild::begin(GFXLineStrip, 5);
for(int k=0; k<5; k++){
rotMatrix.mulP(vertList[k]);
PrimBuild::vertex2f(vertList[k].x + viewCenter.x, vertList[k].y + viewCenter.y);
}
PrimBuild::end();
}