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- /*
- * Bael'Zharon's Respite
- * Copyright (C) 2014 Daniel Skorupski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "resource/Model.h"
- #include "resource/BSP.h"
- #include "resource/ImgColor.h"
- #include "resource/ImgTex.h"
- #include "resource/Surface.h"
- #include "BinReader.h"
- #include "Core.h"
- #include "ResourceCache.h"
- #include "util.h"
- enum ModelFlags
- {
- kHasPhysicsBSP = 0x1,
- kHasDrawingBSP = 0x2,
- kHasDegrade = 0x8
- };
- static vector<TriangleFan> readTriangleFans(BinReader& reader)
- {
- uint16_t numTriangleFans = reader.readPackedShort();
- vector<TriangleFan> triangleFans(numTriangleFans);
- for(uint16_t i = 0; i < numTriangleFans; i++)
- {
- uint16_t triangleFanNum = reader.readShort();
- assert(triangleFanNum == i);
- UNUSED(triangleFanNum);
- read(reader, triangleFans[i]);
- }
- return triangleFans;
- }
- Model::Model(uint32_t id, const void* data, size_t size) : ResourceImpl{id}, needsDepthSort{false}
- {
- BinReader reader(data, size);
- uint32_t resourceId = reader.readInt();
- assert(resourceId == id);
- UNUSED(resourceId);
- uint32_t flags = reader.readInt();
- assert(flags == 0x2 || flags == 0x3 || flags == 0xA || flags == 0xB);
- uint8_t numSurfaces = reader.readByte();
- surfaces.resize(numSurfaces);
- for(ResourcePtr& surface : surfaces)
- {
- uint32_t surfaceId = reader.readInt();
- surface = Core::get().resourceCache().get(surfaceId);
- bool hasAlpha = surface->cast<Surface>()
- .imgTex->cast<ImgTex>()
- .imgColor->cast<ImgColor>()
- .image.hasAlpha();
- needsDepthSort = needsDepthSort || hasAlpha;
- }
- uint32_t one = reader.readInt();
- assert(one == 1);
- UNUSED(one);
- uint16_t numVertices = reader.readShort();
- vertices.resize(numVertices);
- uint16_t flags2 = reader.readShort();
- assert(flags2 == 0x0000 || flags2 == 0x8000);
- UNUSED(flags2);
- for(uint16_t i = 0; i < numVertices; i++)
- {
- uint16_t vertexNum = reader.readShort();
- assert(vertexNum == i);
- UNUSED(vertexNum);
- read(reader, vertices[i]);
- }
- if(flags & kHasPhysicsBSP)
- {
- hitTriangleFans = readTriangleFans(reader);
- read(reader, hitTree, BSPTreeType::kPhysics);
- }
- glm::vec3 sortCenter;
- read(reader, sortCenter);
- if(flags & kHasDrawingBSP)
- {
- triangleFans = readTriangleFans(reader);
- unique_ptr<BSPNode> drawingBSP;
- read(reader, drawingBSP, BSPTreeType::kDrawing);
- }
- if(flags & kHasDegrade)
- {
- /*degradeId*/ reader.readInt();
- }
- assert(reader.remaining() == 0);
- }
- Model::~Model()
- {}
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