tsDecal.cpp

Public Defines

tsalloc() 

Public Defines

tsalloc() 

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2012 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#include "ts/tsDecal.h"
 25#include "math/mMath.h"
 26#include "math/mathIO.h"
 27#include "ts/tsShapeInstance.h"
 28#include "core/frameAllocator.h"
 29
 30//-----------------------------------------------------
 31// TSDecalMesh assembly/dissembly methods
 32// used for transfer to/from memory buffers
 33//-----------------------------------------------------
 34
 35#define tsalloc TSShape::smTSAlloc
 36
 37void TSDecalMesh::assemble(bool)
 38{
 39   if (TSShape::smReadVersion<20)
 40   {
 41      // read empty mesh...decals used to be derived from meshes
 42      tsalloc.checkGuard();
 43      tsalloc.getPointer32(15);
 44   }
 45
 46   S32 sz = tsalloc.get32();
 47   S32 * ptr32 = tsalloc.copyToShape32(0); // get current shape address w/o doing anything
 48   for (S32 i=0; i<sz; i++)
 49   {
 50      tsalloc.getPointer16(2);
 51      tsalloc.getPointer32(1);
 52   }
 53   tsalloc.align32();
 54   primitives.set(ptr32,sz);
 55
 56   sz = tsalloc.get32();
 57   S16 * ptr16 = tsalloc.getPointer16(sz);
 58   tsalloc.align32();
 59   indices.set(ptr16,sz);
 60
 61   if (TSShape::smReadVersion<20)
 62   {
 63      // read more empty mesh stuff...decals used to be derived from meshes
 64      tsalloc.getPointer32(3);
 65      tsalloc.checkGuard();
 66   }
 67
 68   sz = tsalloc.get32();
 69   ptr32 = tsalloc.getPointer32(sz);
 70   startPrimitive.set(ptr32,sz);
 71
 72   if (TSShape::smReadVersion>=19)
 73   {
 74   ptr32 = tsalloc.getPointer32(sz*4);
 75   texgenS.set(ptr32,startPrimitive.size());
 76   ptr32 = tsalloc.getPointer32(sz*4);
 77   texgenT.set(ptr32,startPrimitive.size());
 78   }
 79   else
 80   {
 81      texgenS.set(NULL,0);
 82      texgenT.set(NULL,0);
 83   }
 84
 85   materialIndex = tsalloc.get32();
 86
 87   tsalloc.checkGuard();
 88}
 89
 90void TSDecalMesh::disassemble()
 91{
 92   tsalloc.set32(primitives.size());
 93   tsalloc.copyToBuffer32((S32*)primitives.address(),primitives.size());
 94
 95   tsalloc.set32(indices.size());
 96   tsalloc.copyToBuffer32((S32*)indices.address(),indices.size());
 97
 98   tsalloc.set32(startPrimitive.size());
 99   tsalloc.copyToBuffer32((S32*)startPrimitive.address(),startPrimitive.size());
100
101   tsalloc.copyToBuffer32((S32*)texgenS.address(),texgenS.size()*4);
102   tsalloc.copyToBuffer32((S32*)texgenT.address(),texgenT.size()*4);
103
104   tsalloc.set32(materialIndex);
105
106   tsalloc.setGuard();
107}
108
109