diff options
Diffstat (limited to 'source/Entities/ProjectileEntity.cpp')
| -rw-r--r-- | source/Entities/ProjectileEntity.cpp | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/source/Entities/ProjectileEntity.cpp b/source/Entities/ProjectileEntity.cpp index c259cb52f..b97f72884 100644 --- a/source/Entities/ProjectileEntity.cpp +++ b/source/Entities/ProjectileEntity.cpp @@ -41,8 +41,22 @@ protected: if (g_BlockIsSolid[a_BlockType]) { // The projectile hit a solid block - m_Projectile->OnHitSolidBlock(a_BlockX, a_BlockY, a_BlockZ, a_EntryFace); - return true; + // Calculate the exact hit coords: + cBoundingBox bb(a_BlockX, a_BlockX + 1, a_BlockY, a_BlockY + 1, a_BlockZ, a_BlockZ + 1); + Vector3d Line1 = m_Projectile->GetPosition(); + Vector3d Line2 = Line1 + m_Projectile->GetSpeed(); + double LineCoeff = 0; + char Face; + if (bb.CalcLineIntersection(Line1, Line2, LineCoeff, Face)) + { + Vector3d Intersection = Line1 + m_Projectile->GetSpeed() * LineCoeff; + m_Projectile->OnHitSolidBlock(Intersection, Face); + return true; + } + else + { + LOGD("WEIRD! block tracer reports a hit, but BBox tracer doesn't. Ignoring the hit."); + } } // Convey some special effects from special blocks: @@ -206,26 +220,17 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, -void cProjectileEntity::OnHitSolidBlock(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) +void cProjectileEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) { - // TODO: Set proper position based on what face was hit - switch (a_BlockFace) - { - case BLOCK_FACE_TOP: SetPosition(0.5 + a_BlockX, 1.0 + a_BlockY, 0.5 + a_BlockZ); break; - case BLOCK_FACE_BOTTOM: SetPosition(0.5 + a_BlockX, a_BlockY, 0.5 + a_BlockZ); break; - case BLOCK_FACE_EAST: SetPosition( a_BlockX, 0.5 + a_BlockY, 0.5 + a_BlockZ); break; - case BLOCK_FACE_WEST: SetPosition(1.0 + a_BlockX, 0.5 + a_BlockY, 0.5 + a_BlockZ); break; - case BLOCK_FACE_NORTH: SetPosition(0.5 + a_BlockX, 0.5 + a_BlockY, 1.0 + a_BlockZ); break; - case BLOCK_FACE_SOUTH: SetPosition(0.5 + a_BlockX, 0.5 + a_BlockY, a_BlockZ); break; - case BLOCK_FACE_NONE: SetPosition(0.5 + a_BlockX, 0.5 + a_BlockY, 0.5 + a_BlockZ); break; - } + // Set the position based on what face was hit: + SetPosition(a_HitPos); SetSpeed(0, 0, 0); // DEBUG: LOGD("Projectile %d: pos {%.02f, %.02f, %.02f}, hit solid block at face %d", m_UniqueID, - GetPosX(), GetPosY(), GetPosZ(), - a_BlockFace + a_HitPos.x, a_HitPos.y, a_HitPos.z, + a_HitFace ); m_IsInGround = true; @@ -287,7 +292,7 @@ void cProjectileEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) // Something has been hit, abort all other processing return; } - // The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later + // The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later in its SlowdownCoeff // Test for entity collisions: cProjectileEntityCollisionCallback EntityCollisionCallback(this, Pos, NextPos); @@ -430,7 +435,7 @@ cThrownEggEntity::cThrownEggEntity(cEntity * a_Creator, double a_X, double a_Y, -void cThrownEggEntity::OnHitSolidBlock(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) +void cThrownEggEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) { // TODO: Random-spawn a chicken or four @@ -454,13 +459,13 @@ cThrownEnderPearlEntity::cThrownEnderPearlEntity(cEntity * a_Creator, double a_X -void cThrownEnderPearlEntity::OnHitSolidBlock(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) +void cThrownEnderPearlEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) { // Teleport the creator here, make them take 5 damage: if (m_Creator != NULL) { // TODO: The coords might need some tweaking based on the block face - m_Creator->TeleportToCoords(a_BlockX + 0.5, a_BlockY + 1.7, a_BlockZ + 0.5); + m_Creator->TeleportToCoords(a_HitPos.x + 0.5, a_HitPos.y + 1.7, a_HitPos.z + 0.5); m_Creator->TakeDamage(dtEnderPearl, this, 5, 0); } @@ -484,7 +489,7 @@ cThrownSnowballEntity::cThrownSnowballEntity(cEntity * a_Creator, double a_X, do -void cThrownSnowballEntity::OnHitSolidBlock(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) +void cThrownSnowballEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) { // TODO: Apply damage to certain mobs (blaze etc.) and anger all mobs |