diff options
Diffstat (limited to 'indra/llmessage/llregionhandle.h')
| -rw-r--r-- | indra/llmessage/llregionhandle.h | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/indra/llmessage/llregionhandle.h b/indra/llmessage/llregionhandle.h index 085757dcbc..9982a8260e 100644 --- a/indra/llmessage/llregionhandle.h +++ b/indra/llmessage/llregionhandle.h @@ -1,25 +1,25 @@ -/** +/** * @file llregionhandle.h * @brief Routines for converting positions to/from region handles. * * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -33,94 +33,94 @@ inline U64 to_region_handle(const U32 x_origin, const U32 y_origin) { - U64 region_handle; - region_handle = ((U64)x_origin) << 32; - region_handle |= (U64) y_origin; - return region_handle; + U64 region_handle; + region_handle = ((U64)x_origin) << 32; + region_handle |= (U64) y_origin; + return region_handle; } inline U64 to_region_handle(const LLVector3d& pos_global) { - U32 global_x = (U32)pos_global.mdV[VX]; - global_x -= global_x % 256; + U32 global_x = (U32)pos_global.mdV[VX]; + global_x -= global_x % 256; - U32 global_y = (U32)pos_global.mdV[VY]; - global_y -= global_y % 256; + U32 global_y = (U32)pos_global.mdV[VY]; + global_y -= global_y % 256; - return to_region_handle(global_x, global_y); + return to_region_handle(global_x, global_y); } inline U64 to_region_handle_global(const F32 x_global, const F32 y_global) { - // Round down to the nearest origin - U32 x_origin = (U32)x_global; - x_origin -= x_origin % REGION_WIDTH_U32; - U32 y_origin = (U32)y_global; - y_origin -= y_origin % REGION_WIDTH_U32; - U64 region_handle; - region_handle = ((U64)x_origin) << 32; - region_handle |= (U64) y_origin; - return region_handle; + // Round down to the nearest origin + U32 x_origin = (U32)x_global; + x_origin -= x_origin % REGION_WIDTH_U32; + U32 y_origin = (U32)y_global; + y_origin -= y_origin % REGION_WIDTH_U32; + U64 region_handle; + region_handle = ((U64)x_origin) << 32; + region_handle |= (U64) y_origin; + return region_handle; } inline BOOL to_region_handle(const F32 x_pos, const F32 y_pos, U64 *region_handle) { - U32 x_int, y_int; - if (x_pos < 0.f) - { -// LL_WARNS() << "to_region_handle:Clamping negative x position " << x_pos << " to zero!" << LL_ENDL; - return FALSE; - } - else - { - x_int = (U32)ll_round(x_pos); - } - if (y_pos < 0.f) - { -// LL_WARNS() << "to_region_handle:Clamping negative y position " << y_pos << " to zero!" << LL_ENDL; - return FALSE; - } - else - { - y_int = (U32)ll_round(y_pos); - } - *region_handle = to_region_handle(x_int, y_int); - return TRUE; + U32 x_int, y_int; + if (x_pos < 0.f) + { +// LL_WARNS() << "to_region_handle:Clamping negative x position " << x_pos << " to zero!" << LL_ENDL; + return FALSE; + } + else + { + x_int = (U32)ll_round(x_pos); + } + if (y_pos < 0.f) + { +// LL_WARNS() << "to_region_handle:Clamping negative y position " << y_pos << " to zero!" << LL_ENDL; + return FALSE; + } + else + { + y_int = (U32)ll_round(y_pos); + } + *region_handle = to_region_handle(x_int, y_int); + return TRUE; } // stuff the word-frame XY location of sim's SouthWest corner in x_pos, y_pos inline void from_region_handle(const U64 ®ion_handle, F32 *x_pos, F32 *y_pos) { - *x_pos = (F32)((U32)(region_handle >> 32)); - *y_pos = (F32)((U32)(region_handle & 0xFFFFFFFF)); + *x_pos = (F32)((U32)(region_handle >> 32)); + *y_pos = (F32)((U32)(region_handle & 0xFFFFFFFF)); } // stuff the word-frame XY location of sim's SouthWest corner in x_pos, y_pos inline void from_region_handle(const U64 ®ion_handle, U32 *x_pos, U32 *y_pos) { - *x_pos = ((U32)(region_handle >> 32)); - *y_pos = ((U32)(region_handle & 0xFFFFFFFF)); + *x_pos = ((U32)(region_handle >> 32)); + *y_pos = ((U32)(region_handle & 0xFFFFFFFF)); } // return the word-frame XY location of sim's SouthWest corner in LLVector3d inline LLVector3d from_region_handle(const U64 ®ion_handle) { - return LLVector3d(((U32)(region_handle >> 32)), (U32)(region_handle & 0xFFFFFFFF), 0.f); + return LLVector3d(((U32)(region_handle >> 32)), (U32)(region_handle & 0xFFFFFFFF), 0.f); } // grid-based region handle encoding. pass in a grid position // (eg: 1000,1000) and this will return the region handle. inline U64 grid_to_region_handle(const U32 grid_x, const U32 grid_y) { - return to_region_handle(grid_x * REGION_WIDTH_UNITS, - grid_y * REGION_WIDTH_UNITS); + return to_region_handle(grid_x * REGION_WIDTH_UNITS, + grid_y * REGION_WIDTH_UNITS); } inline void grid_from_region_handle(const U64& region_handle, U32* grid_x, U32* grid_y) { - from_region_handle(region_handle, grid_x, grid_y); - *grid_x /= REGION_WIDTH_UNITS; - *grid_y /= REGION_WIDTH_UNITS; + from_region_handle(region_handle, grid_x, grid_y); + *grid_x /= REGION_WIDTH_UNITS; + *grid_y /= REGION_WIDTH_UNITS; } - + #endif |