bool CCollision::IsThrough(int x, int y, int xoff, int yoff, vec2 pos0, vec2 pos1)
{
int pos = GetPureMapIndex(x, y);
if(m_pFront && (m_pFront[pos].m_Index == TILE_THROUGH_ALL || m_pFront[pos].m_Index == TILE_THROUGH_CUT))
return true;
if(m_pFront && m_pFront[pos].m_Index == TILE_THROUGH_DIR && (
(m_pFront[pos].m_Flags == ROTATION_0 && pos0.y > pos1.y) ||
(m_pFront[pos].m_Flags == ROTATION_90 && pos0.x < pos1.x) ||
(m_pFront[pos].m_Flags == ROTATION_180 && pos0.y < pos1.y) ||
(m_pFront[pos].m_Flags == ROTATION_270 && pos0.x > pos1.x) ))
return true;
int offpos = GetPureMapIndex(x+xoff, y+yoff);
if(m_pTiles[offpos].m_Index == TILE_THROUGH || (m_pFront && m_pFront[offpos].m_Index == TILE_THROUGH))
return true;
return false;
}
int CCollision::IntersectLineTeleHook(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision, int *pTeleNr)
{
float Distance = distance(Pos0, Pos1);
int End(Distance+1);
vec2 Last = Pos0;
int ix = 0, iy = 0; // Temporary position for checking collision
int dx = 0, dy = 0; // Offset for checking the "through" tile
ThroughOffset(Pos0, Pos1, &dx, &dy);
for(int i = 0; i <= End; i++)
{
float a = i/(float)End;
vec2 Pos = mix(Pos0, Pos1, a);
ix = round_to_int(Pos.x);
iy = round_to_int(Pos.y);
int Index = GetPureMapIndex(Pos);
if (g_Config.m_SvOldTeleportHook)
*pTeleNr = IsTeleport(Index);
else
*pTeleNr = IsTeleportHook(Index);
if(*pTeleNr)
{
if(pOutCollision)
*pOutCollision = Pos;
if(pOutBeforeCollision)
*pOutBeforeCollision = Last;
return TILE_TELEINHOOK;
}
int hit = 0;
if(CheckPoint(ix, iy))
{
if(!IsThrough(ix, iy, dx, dy, Pos0, Pos1))
hit = GetCollisionAt(ix, iy);
}
else if(IsHookBlocker(ix, iy, Pos0, Pos1))
{
hit = TILE_NOHOOK;
}
if(hit)
{
if(pOutCollision)
*pOutCollision = Pos;
if(pOutBeforeCollision)
*pOutBeforeCollision = Last;
return hit;
}
Last = Pos;
}
if(pOutCollision)
*pOutCollision = Pos1;
if(pOutBeforeCollision)
*pOutBeforeCollision = Pos1;
return 0;
}
bool CCollision::GetRadTiles(int tilemap, vec2 pos, int *index, int *flags, int team)
{
static const float sProximityRadius = 14.0f; // FIXME: Perhaps best TILE_SIZE/2?
static const float sOffset = 4.0f;
const int tmpIndex[] = {
GetPureMapIndex(pos), // Current
GetPureMapIndex(vec2(pos.x + sProximityRadius + sOffset, pos.y)), // Left
GetPureMapIndex(vec2(pos.x - sProximityRadius - sOffset, pos.y)), // Right
GetPureMapIndex(vec2(pos.x, pos.y + sProximityRadius + sOffset)), // Top
GetPureMapIndex(vec2(pos.x, pos.y - sProximityRadius - sOffset)) // Bottom
};
if (tilemap == TILEMAP_SWITCH && m_pSwitchers)
{
for (int i=0; i<5; i++)
{
index[i] = m_pSwitchers[m_pDoor[tmpIndex[i]].m_Number].m_Status[team]?m_pDoor[tmpIndex[i]].m_Index:0;
flags[i] = m_pSwitchers[m_pDoor[tmpIndex[i]].m_Number].m_Status[team]?m_pDoor[tmpIndex[i]].m_Flags:0;
}
}
else if (tilemap == TILEMAP_GAME && m_pTiles)
{
for (int i=0; i<5; i++)
{
index[i] = m_pTiles[tmpIndex[i]].m_Index;
flags[i] = m_pTiles[tmpIndex[i]].m_Flags;
}
}
else if (tilemap == TILEMAP_FRONT && m_pFront)
{
for (int i=0; i<5; i++)
{
index[i] = m_pFront[tmpIndex[i]].m_Index;
flags[i] = m_pFront[tmpIndex[i]].m_Flags;
}
}
else
return false;
return true;
}
int CCollision::IntersectLineTeleWeapon(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision, int *pTeleNr)
{
float Distance = distance(Pos0, Pos1);
int End(Distance+1);
vec2 Last = Pos0;
int ix = 0, iy = 0; // Temporary position for checking collision
for(int i = 0; i <= End; i++)
{
float a = i/(float)End;
vec2 Pos = mix(Pos0, Pos1, a);
ix = round_to_int(Pos.x);
iy = round_to_int(Pos.y);
int Index = GetPureMapIndex(Pos);
if (g_Config.m_SvOldTeleportWeapons)
*pTeleNr = IsTeleport(Index);
else
*pTeleNr = IsTeleportWeapon(Index);
if(*pTeleNr)
{
if(pOutCollision)
*pOutCollision = Pos;
if(pOutBeforeCollision)
*pOutBeforeCollision = Last;
return TILE_TELEINWEAPON;
}
if(CheckPoint(ix, iy))
{
if(pOutCollision)
*pOutCollision = Pos;
if(pOutBeforeCollision)
*pOutBeforeCollision = Last;
return GetCollisionAt(ix, iy);
}
Last = Pos;
}
if(pOutCollision)
*pOutCollision = Pos1;
if(pOutBeforeCollision)
*pOutBeforeCollision = Pos1;
return 0;
}
bool CCollision::IsHookBlocker(int x, int y, vec2 pos0, vec2 pos1)
{
int pos = GetPureMapIndex(x, y);
if(m_pTiles[pos].m_Index == TILE_THROUGH_ALL || (m_pFront && m_pFront[pos].m_Index == TILE_THROUGH_ALL))
return true;
if(m_pTiles[pos].m_Index == TILE_THROUGH_DIR && (
(m_pTiles[pos].m_Flags == ROTATION_0 && pos0.y < pos1.y) ||
(m_pTiles[pos].m_Flags == ROTATION_90 && pos0.x > pos1.x) ||
(m_pTiles[pos].m_Flags == ROTATION_180 && pos0.y > pos1.y) ||
(m_pTiles[pos].m_Flags == ROTATION_270 && pos0.x < pos1.x) ))
return true;
if(m_pFront && m_pFront[pos].m_Index == TILE_THROUGH_DIR && (
(m_pFront[pos].m_Flags == ROTATION_0 && pos0.y < pos1.y) ||
(m_pFront[pos].m_Flags == ROTATION_90 && pos0.x > pos1.x) ||
(m_pFront[pos].m_Flags == ROTATION_180 && pos0.y > pos1.y) ||
(m_pFront[pos].m_Flags == ROTATION_270 && pos0.x < pos1.x) ))
return true;
return false;
}
