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115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
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//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2021 Christoph Oelckers
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// All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//--------------------------------------------------------------------------
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//
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/*
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** hw_voxels.cpp
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**
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** voxel handling.
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**
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**/
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#include "build.h"
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#include "voxels.h"
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#include "hw_voxels.h"
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#include "gamecontrol.h"
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int16_t tiletovox[MAXTILES];
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static int voxlumps[MAXVOXELS];
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float voxscale[MAXVOXELS];
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voxmodel_t* voxmodels[MAXVOXELS];
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FixedBitArray<MAXVOXELS> voxrotate;
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void voxInit()
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{
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for (auto& v : tiletovox) v = -1;
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for (auto& v : voxscale) v = 1.f;
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voxrotate.Zero();
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}
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void voxClear()
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{
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for (auto& vox : voxmodels)
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{
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if (vox) delete vox;
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vox = nullptr;
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}
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}
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int voxDefine(int voxindex, const char* filename)
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{
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if ((unsigned)voxindex >= MAXVOXELS)
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return -1;
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int i = fileSystem.FindFile(filename);
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voxlumps[voxindex] = i;
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return i < 0 ? -1 : 0;
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}
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static voxmodel_t* voxload(int lumpnum)
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{
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FVoxel* voxel = R_LoadKVX(lumpnum);
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if (voxel != nullptr)
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{
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voxmodel_t* vm = new voxmodel_t;
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*vm = {};
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auto pivot = voxel->Mips[0].Pivot;
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vm->mdnum = 1; //VOXel model id
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vm->scale = vm->bscale = 1.f;
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vm->piv.x = float(pivot.X);
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vm->piv.y = float(pivot.Y);
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vm->piv.z = float(pivot.Z);
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vm->siz.x = voxel->Mips[0].SizeX;
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vm->siz.y = voxel->Mips[0].SizeY;
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vm->siz.z = voxel->Mips[0].SizeZ;
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vm->is8bit = true;
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voxel->Mips[0].Pivot.Zero(); // Needs to be taken out of the voxel data because it gets baked into the vertex buffer which we cannot use here.
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vm->model = new FVoxelModel(voxel, true);
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return vm;
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}
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return nullptr;
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}
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void LoadVoxelModels()
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{
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for (int i = 0; i < MAXVOXELS; i++)
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{
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int lumpnum = voxlumps[i];
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if (lumpnum > 0)
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{
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voxmodels[i] = voxload(lumpnum);
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if (voxmodels[i])
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voxmodels[i]->scale = voxscale[i];
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else
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Printf("Unable to load voxel from %s\n", fileSystem.GetFileFullPath(lumpnum));
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}
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else
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{
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auto index = fileSystem.FindResource(i, "KVX");
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if (index >= 0)
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{
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voxmodels[i] = voxload(index);
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}
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}
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}
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}
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