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//-----------------------------------------------------------------------------
// Name: collisionCheck()
// Desc: This function takes the bounding boxes of two objects and compares them.
// if they collide it returns true. It only checks in the x & y planes.
//-----------------------------------------------------------------------------
bool collisionCheck(D3DXVECTOR3 playMin, D3DXVECTOR3 playMax, D3DXVECTOR3 obstMin, D3DXVECTOR3 obstMax)
{
if((playMin.x >= obstMin.x && playMin.x <= obstMax.x)
|| (playMax.x >= obstMin.x && playMax.x <= obstMax.x))
if((playMin.y >= obstMin.y && playMin.y <= obstMax.y)
|| (playMax.y >= obstMin.y && playMax.y <= obstMax.y))
return true;
return false;
}
//-----------------------------------------------------------------------------
// Name: updateBBox()
// Desc: This function gets the bounding box of an object and updates it to the scale and location
// in the world.
//-----------------------------------------------------------------------------
void updateBBox(D3DXVECTOR3 *minBounds,D3DXVECTOR3 *maxBounds,D3DXVECTOR3 scale,D3DXVECTOR3 loc)
{
D3DXVECTOR3 ctr = D3DXVECTOR3(0.0f,0.0f,0.0f);
D3DXVECTOR3 dist;
dist.x = (maxBounds->x - minBounds->x)/2.0f;
dist.y = (maxBounds->y - minBounds->y)/2.0f;
dist.z = (maxBounds->z - minBounds->z)/2.0f;
dist.x *= scale.x;
dist.y *= scale.y;
dist.z *= scale.z;
minBounds->x = ctr.x - dist.x + loc.x;
minBounds->y = ctr.y - dist.y + loc.y;
minBounds->z = ctr.z - dist.z + loc.z;
maxBounds->x = ctr.x + dist.x + loc.x;
maxBounds->y = ctr.y + dist.y + loc.y;
maxBounds->z = ctr.z + dist.z + loc.z;
}
//-----------------------------------------------------------------------------
// Name: doAllCollision()
// Desc: This function checks all of the location data of the two players and compares
// them against each other. If a collision occurs the correct scores are given to the players
// depending on the situation.
//-----------------------------------------------------------------------------
bool doAllCollision()
{
D3DXVECTOR3 p_minBounds = g_pMeshData[yourCraft].minBounds;
D3DXVECTOR3 p_maxBounds = g_pMeshData[yourCraft].maxBounds;
updateBBox(&p_minBounds, &p_maxBounds, g_pMeshData[yourCraft].Scale,
g_pMeshData[yourCraft].Transform);
D3DXVECTOR3 e_minBounds = g_pMeshData[enemyCraft].minBounds;
D3DXVECTOR3 e_maxBounds = g_pMeshData[enemyCraft].maxBounds;
updateBBox(&e_minBounds, &e_maxBounds, g_pMeshData[enemyCraft].Scale,
g_pMeshData[enemyCraft].Transform);
//------------------------------------------------------
//check everything against enemy
//------------------------------------------------------
if(collisionCheck(p_minBounds, p_maxBounds, e_minBounds, e_maxBounds))
{
//players collide, both die
g_Player.incScore(-20);
g_Enemy.incScore(-20);
//player dies...
KeyInput->stopMoving();
Vector3D resetEye;
Vector3D resetLookat;
if(yourCraft==0)
{
g_pMeshData[yourCraft].Transform = D3DXVECTOR3( -113.0f, -20.0f, 0.0f );
resetEye = Vector3D(-113.0f,4.0f,-80.0f);
resetLookat = Vector3D(-113.0f,0.0f,5.0f);
//enemy dies...
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
}
else
{
g_pMeshData[yourCraft].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
resetEye = Vector3D(135.0f,4.0f,-80.0f);
resetLookat = Vector3D(135.0f,0.0f,5.0f);
//enemy dies...
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( -113.0f, -20.0f, 0.0f );
}
g_Player.SetVDirection(STILL);
g_Enemy.SetHDirection(STILL);
KeyInput->setEye(resetEye);
KeyInput->setLook(resetLookat);
return 0;
}
//------------------------------------------------------
//player's ammo against enemy
if(!g_Player.canBomb())
{
D3DXVECTOR3 b_minBounds = g_pMeshData[3].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[3].maxBounds;
D3DXVECTOR3 b_Loc = D3DXVECTOR3 (g_Player.BombX(),g_Player.BombY(),g_Player.BombZ());
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[3].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, e_minBounds, e_maxBounds))
{
//bomb hit enemy, building go boom, points ++
g_Player.DestroyBomb();
Vector3D tmp(0.0f,-999.0,0.0f);
g_Player.BombCoords(tmp);
g_Player.incScore(50);
g_Enemy.SetHDirection(STILL);
if(enemyCraft==0)
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( -113.5f, -20.0f, 0.0f );
else
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
}
}
for(int j=0;j < g_Player.RoundsShot(); j++)
{
D3DXVECTOR3 b_minBounds = g_pMeshData[2].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[2].maxBounds;
D3DXVECTOR3 b_Loc = D3DXVECTOR3 (g_Player.BulletX(j),g_Player.BulletY(j),g_Player.BulletZ(j));
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[2].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, e_minBounds, e_maxBounds))
{
//bullet hit something, building go boom, points ++
g_Player.DestroyBullet();
g_Player.incScore(50);
//enemy dies...
g_Enemy.SetHDirection(STILL);
if(enemyCraft==0)
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( -113.5f, -20.0f, 0.0f );
else
g_pMeshData[enemyCraft].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
}
}
//------------------------------------------------------
//enemy's ammo against enemy
if(!g_Enemy.canBomb())
{
D3DXVECTOR3 b_minBounds = g_pMeshData[3].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[3].maxBounds;
D3DXVECTOR3 b_Loc = D3DXVECTOR3 (g_Player.BombX(),g_Player.BombY(),g_Player.BombZ());
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[3].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, p_minBounds, p_maxBounds))
{
//bomb hit enemy, building go boom, points ++
g_Enemy.DestroyBomb();
Vector3D tmp(0.0f,-999.0,0.0f);
g_Enemy.BombCoords(tmp);
g_Enemy.incScore(50);
g_Player.SetHDirection(STILL);
if(yourCraft==0)
g_pMeshData[0].Transform = D3DXVECTOR3( -113.0f, -20.0f, 0.0f );
else
g_pMeshData[0].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
}
}
for(int j=0;j < g_Enemy.RoundsShot(); j++)
{
D3DXVECTOR3 b_minBounds = g_pMeshData[2].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[2].maxBounds;
D3DXVECTOR3 b_Loc = D3DXVECTOR3(g_Enemy.BulletX(j),g_Enemy.BulletY(j),g_Enemy.BulletZ(j));
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[2].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, p_minBounds, p_maxBounds))
{
//bullet hit something, building go boom, points ++
g_Enemy.DestroyBullet();
g_Enemy.incScore(50);
//player dies...
g_Player.SetHDirection(STILL);
g_Player.SetVDirection(STILL);
if(yourCraft==0)
g_pMeshData[0].Transform = D3DXVECTOR3( -113.0f, -20.0f, 0.0f );
else
g_pMeshData[0].Transform = D3DXVECTOR3( 135.5f, -23.0f, 0.0f );
}
}
//------------------------------------------------------
//check everything against buildings
//------------------------------------------------------
for(int i=0;i {
if(g_build[i].show)
{
D3DXVECTOR3 minBounds = g_pMeshData[4+g_build[i].type].minBounds;
D3DXVECTOR3 maxBounds = g_pMeshData[4+g_build[i].type].maxBounds;
updateBBox(&minBounds,&maxBounds,g_pMeshData[4+g_build[i].type].Scale,g_build[i].BuildPos);
if(collisionCheck(p_minBounds, p_maxBounds, minBounds, maxBounds))
{
//player hit building... he dies, building goes boom
int tmp = 0;
g_build[i].show = false;
curNumBuilding--;
g_Player.incScore(-20);
Vector3D resetEye;
Vector3D resetLookat;
KeyInput->stopMoving();
if(yourCraft==0)
{
g_pMeshData[yourCraft].Transform = D3DXVECTOR3( -113.0f, -20.0f, 0.0f );
resetEye = Vector3D(-113.0f,4.0f,-80.0f);
resetLookat = Vector3D(-113.0f,0.0f,5.0f);
}
else
{
g_pMeshData[yourCraft].Transform = D3DXVECTOR3( 135.0f, -23.0f, 0.0f );
resetEye = Vector3D(135.0f,4.0f,-80.0f);
resetLookat = Vector3D(135.0f,0.0f,5.0f);
}
KeyInput->setEye(resetEye);
KeyInput->setLook(resetLookat);
return 0;
}
if(!g_Player.canBomb())
{
D3DXVECTOR3 b_minBounds = g_pMeshData[3].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[3].maxBounds;
D3DXVECTOR3 b_Loc =
D3DXVECTOR3(g_Player.BombX(),g_Player.BombY(),g_Player.BombZ());
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[3].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, minBounds, maxBounds))
{
//bomb hit something, building go boom, points ++
g_Player.DestroyBomb();
Vector3D tmp(0.0f,-999.0,0.0f);
g_Player.BombCoords(tmp);
g_build[i].show = false;
curNumBuilding--;
g_Player.incScore(20);
}
}
for(int j=0;j < g_Player.RoundsShot(); j++)
{
D3DXVECTOR3 b_minBounds = g_pMeshData[2].minBounds;
D3DXVECTOR3 b_maxBounds = g_pMeshData[2].maxBounds;
D3DXVECTOR3 b_Loc =
D3DXVECTOR3 (g_Player.BulletX(j),g_Player.BulletY(j),g_Player.BulletZ(j));
updateBBox(&b_minBounds,&b_maxBounds,g_pMeshData[2].Scale,b_Loc);
if(collisionCheck(b_minBounds, b_maxBounds, minBounds, maxBounds))
{
//bullet hit something, building go boom, points ++
g_Player.DestroyBullet();
g_build[i].show = false;
curNumBuilding--;
g_Player.incScore(20);
}
}
}
}
}
//-----------------------------------------------------------------------------
// Name: replaceBuildings()
// Desc: Checks if the maximum number of buildings are showing, if not a timer is
// started and the buildings respawn accordingly.
//-----------------------------------------------------------------------------
void replaceBuildings()
{
if(curNumBuilding < NUM_BUILD && !newBuilding)
{
buildWait = clock() + TIME_BUILD * CLOCKS_PER_SEC;
newBuilding = true;
}
if(newBuilding)
{
if(clock() >= buildWait)
{
if(buildNext ==13)
buildNext = 0;
if(!g_build[buildNext].show)
{
g_build[buildNext].show = true;
curNumBuilding++;
newBuilding = false;
}
buildNext++;
}
}
}
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