virtual int init(unsigned int width, unsigned int height)
{
STX_INIT_SEGVCATCH;
STX_TRY;
g_pIndieLib = mI = CIndieLib::Instance();
// ----- IndieLib intialization -----
#if 0
//CIndieLib * mI = CIndieLib::Instance();
if (!mI->Init ()) return 0;
#else
//CIndieLib * mI = CIndieLib::Instance();
if (!mI->
Init (
"IndieLib-Animation-Collision"
)) return -1;
#endif
//IND_Entity2d Beetle
// Loading Background
//IND_Entity2d Beetle
if (!mI->SurfaceManager->Add (&mSurfaceBack, "/IndieLib-Animation-Collision/cave.png", IND_ALPHA, IND_32))
return 0;
// Loading Beetleship
//IND_Entity2d Beetle
if (!mI->SurfaceManager->Add (&mSurfaceBeetle, "/IndieLib-Animation-Collision/beetleship.png", IND_ALPHA, IND_32))
return 0;
// ----- Animations loading -----
// Characters animations
//IND_Entity2d Beetle
if (!mI->AnimationManager->AddToSurface (&AnimationCharacter, "/IndieLib-Animation-Collision/mario.xml", IND_ALPHA, IND_32))
return 0;
// ----- Set the surface and animations into 2d entities -----
// Creating 2d entity for the background
//IND_Entity2d Beetle
mI->Entity2dManager->Add (&mBack); // Entity adding (layer 0)
mBack.SetSurface (&mSurfaceBack); // Set the surface into the entity
// Character 1
//IND_Entity2d Beetle
mI->Entity2dManager->Add (1, &Player); // Entity adding (layer 1)
Player.SetAnimation (&AnimationCharacter); // Set the animation into the entity
// Beetle
//IND_Entity2d Beetle
mI->Entity2dManager->Add (0, &Beetle); // (layer 1)
Beetle.SetSurface (&mSurfaceBeetle); // Set the surface into the entity
Beetle.SetPosition(500, 460, 0);
Beetle.SetHotSpot (0.5f, 0.5f);
Beetle.SetMirrorX (1);
Beetle.SetBoundingTriangle ("beetle_head", 160, 105, 160, 170, 190, 135);
Beetle.SetBoundingCircle ("beetle_boy_head", 85, 52, 55);
MiddleScreenX = mI->Window->GetWidth() / 2;
MiddleScreenY = mI->Window->GetHeight() / 2;
CamPosX = MiddleScreenX;
Cameras2d=IND_Camera2d(MiddleScreenX, MiddleScreenY);
// ----- Main Loop -----
timer.Start();
// Init Player
Player.SetSequence (0); // standing
Player.SetPosition (x , y, 0);
Player.SetHotSpot (0.5f, 0.5f);
Player.SetMirrorX (0);
Player.SetBoundingRectangle("entire", 0, 0, 48, 48);
STX_CATCH;
return 0;
}
virtual int render()
{
STX_TRY;
mI->Input->Update ();
// ----- Delta Time -----
fElapsedTime = mI->Render->GetFrameTime() / 1000.0f;
// ----- Text -----
stx_strlcpy (szText, "Move the mouse left and right and watch the tank try to follow!\n", 2048);
stx_strlcat (szText, "Press Left Mouse button to fire!\n", 2048);
stx_strlcat (szText, "Press 'f' to toggle freezing the tank movement (debug)\n", 2048);
stx_snprintf(szBuf, 2048, "%d, %d\n", mI->Input->GetMouseX(), mI->Input->GetMouseY() );
stx_strlcat (szText, szBuf, 2048);
stx_snprintf(szBuf, 2048, "%.3f, %.3f\n", g_vecPlayer_Pos.x, g_vecPlayer_Pos.y);
stx_strlcat (szText, szBuf, 2048);
stx_snprintf(szBuf, 2048, "Muzzle angle %.3f\n", g_fGunAngle);
stx_strlcat (szText, szBuf, 2048);
stx_snprintf(szBuf, 2048, "Tank velocity %.3f\n", g_vecPlayer_Velocity.x);
stx_strlcat (szText, szBuf, 2048);
mTextSmallWhite.SetText (szText);
// Position the mouse cursor
cursor.SetPosition((float)mI->Input->GetMouseX(), (float)mI->Input->GetMouseY(), 1);
// "Freeze" tank except allow gun to rotate
if (mI->Input->OnKeyPress(KEY_f))
g_bToggleFreezeTank = !g_bToggleFreezeTank;
ULONG Direction = 0;
float deltaX = g_vecPlayer_Pos.x - mI->Input->GetMouseX();
if (!g_bToggleFreezeTank && fabs(deltaX) > g_Epsilon)
{
if (deltaX < 0)
{
Direction |= DIR_RIGHT;
tank.SetSequence(1);
}
else
if (deltaX > 0)
{
Direction |= DIR_LEFT;
tank.SetSequence(2);
}
}
else
{
// Stop the animation if not moving
tank.SetSequence(0);
}
// Any movement?
if ( Direction && !g_bToggleFreezeTank )
{
Player_Move( Direction, g_fSpeed * fElapsedTime, true );
}
//---------------------------
// Update the player
//---------------------------
Player_Update( fElapsedTime );
//---------------------------
// Move and rotate the barrel
// Note: there would normally be a class representing the whole tank
//---------------------------
float fMouse2TankX = tank.GetPosX() - mI->Input->GetMouseX();
float fMouse2TankY = tank.GetPosY() - mI->Input->GetMouseY(); // y position going down
// Clamp. Mouse is below tank
if (fMouse2TankY < 0.0f)
fMouse2TankY = 0.0f;
g_fGunAngle = atan2(fMouse2TankY, fMouse2TankX) * 180.0f / fPI; // in degrees
g_fGunAngle -= 90.0f; // barrel is initially pointing up (in image). atan2() w.r.t x-axis (pointing right)
barrel.SetAngleXYZ(0.0f, 0.0f, g_fGunAngle);
// Set position of barrel (child) on the tank (parent)
g_vecBarrel.x = tank.GetPosX();
g_vecBarrel.y = tank.GetPosY();
barrel.SetPosition(g_vecBarrel.x, g_vecBarrel.y, 0);
// Move the tank (player)
tank.SetPosition(g_vecPlayer_Pos.x, g_vecPlayer_Pos.y, 1);
tankShadow.SetPosition(tank.GetPosX(), tank.GetPosY() + 50, 0); // location is tank HotSpot plus an offset of 50
//---------------------------
// Fire weapon!!
//---------------------------
if (5 && mI->Input->OnMouseButtonPress(MBUTTON_LEFT))
{
// Initial bullet position (following code is rather verbose and could be combined into less lines
// but did it that way to explain the math.
float angleDegrees = barrel.GetAngleZ() + 90.0f;
float angleRadians = angleDegrees * fPI / 180.0f;
float fX = barrel.GetPosX() - cosf(angleRadians) * BARREL_LENGTH;
float fY = barrel.GetPosY() - sinf(angleRadians) * BARREL_LENGTH;
bullet.SetAngleXYZ(0, 0, angleDegrees - 90.0f);
g_vecBullet_Pos = D3DXFROMWINEVECTOR3(fX, fY, 0.0f);
bullet.SetPosition(g_vecBullet_Pos.x, g_vecBullet_Pos.y, 0);
// Initial bullet velocity
D3DXFROMWINEMATRIX mtxRotate;
D3DXFROMWINEVECTOR3 vecVelDir = D3DXFROMWINEVECTOR3(-1.0f, 0.0f, 0.0f);
D3DXFROMWINEMatrixRotationZ( &mtxRotate, angleRadians);
D3DXFROMWINEVec3TransformNormal( &vecVelDir, &vecVelDir, &mtxRotate );
g_vecBullet_Velocity = vecVelDir * BULLET_SPEED;
// Show blast!
g_fMuzzleFlashTimer = 0.05f;
muzzleFlash.SetPosition(g_vecBullet_Pos.x, g_vecBullet_Pos.y, 0);
g_bBulletDead = false;
// Make sound! (no sound lib hooked up but this is where you would do it.
STX_Service::GetAudioInstance()->Play("tankfire1");
}
// Update the single bullet
if (!g_bBulletDead)
{
bullet.SetShow(true);
Bullet_Update( fElapsedTime, &bullet );
bullet.SetPosition(g_vecBullet_Pos.x, g_vecBullet_Pos.y, 0);
}
else
{
bullet.SetShow(false);
}
//---------------------------
// Render muzzle flash effect
//---------------------------
g_fMuzzleFlashTimer -= fElapsedTime;
if (g_fMuzzleFlashTimer > 0.0f)
{
muzzleFlash.SetShow(true);
}
else
{
muzzleFlash.SetShow(false);
g_fMuzzleFlashTimer = 0.0f;
}
//-----------------
// Render the scene
//-----------------
mI->Render->BeginScene ();
mI->Render->ClearViewPort (160, 160, 160);
mI->Render->SetViewPort2d (0, 0, mI->Window->GetWidth(), mI->Window->GetHeight());
mI->Entity2dManager->RenderEntities2d ( );
// Render GUI layer
mI->Entity2dManager->RenderEntities2d (1);
//???mI->Render->ShowFpsInWindowTitle();
// MUST call this to update FMOD
STX_Service::GetAudioInstance()->Update();
mI->Render->EndScene ();
STX_CATCH;
return 0;
}
virtual int render()
{
STX_TRY;
mI->Input->Update ();
// ----- Delta Time -----
fElapsedTime = mI->Render->GetFrameTime() / 1000.0f;
// Toggle show bounding boxes
if (mI->Input->OnKeyPress(KEY_p))
bShowBoundsToggle = !bShowBoundsToggle;
// Walk Left!
if (mI->Input->IsKeyPressed(KEY_LEFT))
{
VelocityX -= speed * fElapsedTime;
if (!playerJumping)
Player.SetSequence(0); //walk
Player.SetMirrorX(1);
}
// Walk Right!
else
if (mI->Input->IsKeyPressed(KEY_RIGHT))
{
VelocityX += speed * fElapsedTime;
if (!playerJumping)
Player.SetSequence(0); //walk
Player.SetMirrorX(0);
}
else
{
if (!playerJumping)
Player.SetSequence(1); // stand
VelocityX = 0.0f; // 0 = no slide
}
// JUMP!
if(mI->Input->OnKeyPress(KEY_SPACE) && !playerJumping)
{
VelocityY -= fJumpForce; // jump force (minus is up)
Player.SetSequence(2); // jump
playerJumping = true;
}
// TODO - if no key press then apply friction. We want the player to move instantly
// yet slide to a stop.
VelocityY += gravity * fElapsedTime; // apply gravity (value is gravity)
y += VelocityY * fElapsedTime; // position
// Check falling limits (poor man collision detection!)
if (y > 500)
{
VelocityY = 0;
y = 500;
playerJumping = false;
}
// Clamp walking velocity
float Length = sqrtf(VelocityX * VelocityX);
if ( Length > MaxVelocityX )
{
VelocityX *= ( MaxVelocityX / Length );
} // End if clamp X velocity
x += VelocityX * fElapsedTime;
if (x < 0)
x = 0;
// Move the player
Player.SetPosition(x, y, 0);
// Apply slide friction
float Dec = -Dir * slideFriction * fElapsedTime;
if (mI->Entity2dManager->IsCollision (&Player, "/IndieLib-Animation-Collision/entire", &Beetle, "/IndieLib-Animation-Collision/beetle_boy_head"))
{
VelocityY = 80; // force him downward
VelocityX = 0;
}
if (x > mI->Window->GetWidth() / 2)
Cameras2d.SetPosition((int)x, MiddleScreenY);
mI->Render->BeginScene ();
mI->Render->ClearViewPort (60, 60, 60);
mI->Render->SetViewPort2d (0, 0, mI->Window->GetWidth(), mI->Window->GetHeight());
mI->Render->SetCamera2d (&Cameras2d);
for (int i = 0; i < 16; i++)
{
mI->Entity2dManager->RenderEntities2d ( i );
if (bShowBoundsToggle)
mI->Entity2dManager->RenderCollisionAreas (i, 255, 0, 0, 255);
}
//???mI->Render->ShowFpsInWindowTitle("");
mI->Render->EndScene ();
STX_CATCH;
return 0;
}
