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Former-commit-id: bd061c48bdc8f0d26159dac3b41017defef5ae1e
This commit is contained in:
Lynix
@@ -1,198 +1,198 @@
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/Loaders/MD2.hpp>
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#include <Nazara/Core/Endianness.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/InputStream.hpp>
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#include <Nazara/Math/Basic.hpp>
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#include <Nazara/Utility/Mesh.hpp>
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#include <Nazara/Utility/Loaders/MD2/Constants.hpp>
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#include <Nazara/Utility/Loaders/MD2/Mesh.hpp>
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#include <cstddef>
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#include <cstring>
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#include <Nazara/Utility/Debug.hpp>
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namespace
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{
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bool NzLoader_MD2_Check(NzInputStream& stream, const NzMeshParams& parameters)
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{
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NazaraUnused(parameters);
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nzUInt32 magic[2];
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if (stream.Read(&magic[0], 2*sizeof(nzUInt32)) != 2*sizeof(nzUInt32))
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return false;
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#if defined(NAZARA_BIG_ENDIAN)
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NzByteSwap(&magic[0], sizeof(nzUInt32));
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NzByteSwap(&magic[1], sizeof(nzUInt32));
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#endif
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return magic[0] == md2Ident && magic[1] == 8;
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}
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bool NzLoader_MD2_Load(NzMesh* mesh, NzInputStream& stream, const NzMeshParams& parameters)
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{
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md2_header header;
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if (stream.Read(&header, sizeof(md2_header)) != sizeof(md2_header))
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{
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NazaraError("Failed to read header");
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return false;
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}
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#if defined(NAZARA_BIG_ENDIAN)
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NzByteSwap(&header.skinwidth, sizeof(nzUInt32));
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NzByteSwap(&header.skinheight, sizeof(nzUInt32));
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NzByteSwap(&header.framesize, sizeof(nzUInt32));
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NzByteSwap(&header.num_skins, sizeof(nzUInt32));
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NzByteSwap(&header.num_vertices, sizeof(nzUInt32));
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NzByteSwap(&header.num_st, sizeof(nzUInt32));
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NzByteSwap(&header.num_tris, sizeof(nzUInt32));
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NzByteSwap(&header.num_glcmds, sizeof(nzUInt32));
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NzByteSwap(&header.num_frames, sizeof(nzUInt32));
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NzByteSwap(&header.offset_skins, sizeof(nzUInt32));
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NzByteSwap(&header.offset_st, sizeof(nzUInt32));
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NzByteSwap(&header.offset_tris, sizeof(nzUInt32));
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NzByteSwap(&header.offset_frames, sizeof(nzUInt32));
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NzByteSwap(&header.offset_glcmds, sizeof(nzUInt32));
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NzByteSwap(&header.offset_end, sizeof(nzUInt32));
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#endif
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if (stream.GetSize() < header.offset_end)
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{
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NazaraError("Incomplete MD2 file");
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return false;
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}
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/// Création du mesh
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// Animé ou statique, c'est la question
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bool animated;
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unsigned int startFrame = NzClamp(parameters.animation.startFrame, 0U, static_cast<unsigned int>(header.num_frames-1));
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unsigned int endFrame = NzClamp(parameters.animation.endFrame, 0U, static_cast<unsigned int>(header.num_frames-1));
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if (parameters.loadAnimations && startFrame != endFrame)
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animated = true;
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else
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animated = false;
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if (!mesh->Create((animated) ? nzAnimationType_Keyframe : nzAnimationType_Static)) // Ne devrait jamais échouer
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{
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NazaraInternalError("Failed to create mesh");
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return false;
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}
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/// Chargement des skins
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if (header.num_skins > 0)
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{
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stream.SetCursorPos(header.offset_skins);
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{
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char skin[68];
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for (unsigned int i = 0; i < header.num_skins; ++i)
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{
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stream.Read(skin, 68*sizeof(char));
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mesh->AddSkin(skin);
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}
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}
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}
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/// Chargement des animations
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if (animated)
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{
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NzAnimation* animation = new NzAnimation;
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if (animation->Create(nzAnimationType_Keyframe, endFrame-startFrame+1))
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{
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// Décodage des séquences
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NzString frameName;
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NzSequence sequence;
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sequence.framePerSecond = 10; // Par défaut pour les animations MD2
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char name[16], last[16];
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stream.SetCursorPos(header.offset_frames + startFrame*header.framesize + offsetof(md2_frame, name));
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stream.Read(last, 16*sizeof(char));
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int pos = std::strlen(last)-1;
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for (unsigned int j = 0; j < 2; ++j)
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{
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if (!std::isdigit(last[pos]))
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break;
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pos--;
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}
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last[pos+1] = '\0';
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unsigned int numFrames = 0;
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for (unsigned int i = startFrame; i <= endFrame; ++i)
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{
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stream.SetCursorPos(header.offset_frames + i*header.framesize + offsetof(md2_frame, name));
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stream.Read(name, 16*sizeof(char));
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pos = std::strlen(name)-1;
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for (unsigned int j = 0; j < 2; ++j)
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{
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if (!std::isdigit(name[pos]))
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break;
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pos--;
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}
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name[pos+1] = '\0';
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if (std::strcmp(name, last) != 0) // Si les deux frames n'ont pas le même nom
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{
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// Alors on enregistre la séquence
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sequence.firstFrame = i-numFrames;
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sequence.lastFrame = i-1;
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sequence.name = last;
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animation->AddSequence(sequence);
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std::strcpy(last, name);
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numFrames = 0;
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}
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numFrames++;
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}
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// On ajoute la dernière frame (Qui n'a pas été traitée par la boucle)
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sequence.firstFrame = endFrame-numFrames;
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sequence.lastFrame = endFrame;
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sequence.name = last;
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animation->AddSequence(sequence);
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mesh->SetAnimation(animation);
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animation->SetPersistent(false);
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}
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else
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NazaraInternalError("Failed to create animaton");
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}
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/// Chargement des submesh
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// Actuellement le loader ne charge qu'un submesh
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// TODO: Utiliser les commandes OpenGL pour accélérer le rendu
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NzMD2Mesh* subMesh = new NzMD2Mesh(mesh);
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if (!subMesh->Create(header, stream, parameters))
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{
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NazaraError("Failed to create MD2 mesh");
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return false;
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}
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mesh->AddSubMesh(subMesh);
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return true;
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}
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}
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void NzLoaders_MD2_Register()
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{
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NzMD2Mesh::Initialize();
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NzMeshLoader::RegisterLoader("md2", NzLoader_MD2_Check, NzLoader_MD2_Load);
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}
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void NzLoaders_MD2_Unregister()
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{
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NzMeshLoader::UnregisterLoader("md2", NzLoader_MD2_Check, NzLoader_MD2_Load);
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NzMD2Mesh::Uninitialize();
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}
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/Loaders/MD2.hpp>
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#include <Nazara/Core/Endianness.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/InputStream.hpp>
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#include <Nazara/Math/Basic.hpp>
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#include <Nazara/Utility/Mesh.hpp>
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#include <Nazara/Utility/Loaders/MD2/Constants.hpp>
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#include <Nazara/Utility/Loaders/MD2/Mesh.hpp>
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#include <cstddef>
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#include <cstring>
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#include <Nazara/Utility/Debug.hpp>
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namespace
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{
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bool NzLoader_MD2_Check(NzInputStream& stream, const NzMeshParams& parameters)
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{
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NazaraUnused(parameters);
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nzUInt32 magic[2];
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if (stream.Read(&magic[0], 2*sizeof(nzUInt32)) != 2*sizeof(nzUInt32))
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return false;
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#if defined(NAZARA_BIG_ENDIAN)
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NzByteSwap(&magic[0], sizeof(nzUInt32));
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NzByteSwap(&magic[1], sizeof(nzUInt32));
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#endif
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return magic[0] == md2Ident && magic[1] == 8;
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}
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bool NzLoader_MD2_Load(NzMesh* mesh, NzInputStream& stream, const NzMeshParams& parameters)
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{
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md2_header header;
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if (stream.Read(&header, sizeof(md2_header)) != sizeof(md2_header))
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{
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NazaraError("Failed to read header");
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return false;
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}
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#if defined(NAZARA_BIG_ENDIAN)
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NzByteSwap(&header.skinwidth, sizeof(nzUInt32));
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NzByteSwap(&header.skinheight, sizeof(nzUInt32));
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NzByteSwap(&header.framesize, sizeof(nzUInt32));
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NzByteSwap(&header.num_skins, sizeof(nzUInt32));
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NzByteSwap(&header.num_vertices, sizeof(nzUInt32));
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NzByteSwap(&header.num_st, sizeof(nzUInt32));
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NzByteSwap(&header.num_tris, sizeof(nzUInt32));
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NzByteSwap(&header.num_glcmds, sizeof(nzUInt32));
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NzByteSwap(&header.num_frames, sizeof(nzUInt32));
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NzByteSwap(&header.offset_skins, sizeof(nzUInt32));
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NzByteSwap(&header.offset_st, sizeof(nzUInt32));
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NzByteSwap(&header.offset_tris, sizeof(nzUInt32));
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NzByteSwap(&header.offset_frames, sizeof(nzUInt32));
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NzByteSwap(&header.offset_glcmds, sizeof(nzUInt32));
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NzByteSwap(&header.offset_end, sizeof(nzUInt32));
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#endif
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if (stream.GetSize() < header.offset_end)
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{
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NazaraError("Incomplete MD2 file");
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return false;
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}
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/// Création du mesh
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// Animé ou statique, c'est la question
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bool animated;
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unsigned int startFrame = NzClamp(parameters.animation.startFrame, 0U, static_cast<unsigned int>(header.num_frames-1));
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unsigned int endFrame = NzClamp(parameters.animation.endFrame, 0U, static_cast<unsigned int>(header.num_frames-1));
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if (parameters.loadAnimations && startFrame != endFrame)
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animated = true;
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else
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animated = false;
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if (!mesh->Create((animated) ? nzAnimationType_Keyframe : nzAnimationType_Static)) // Ne devrait jamais échouer
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{
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NazaraInternalError("Failed to create mesh");
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return false;
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}
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/// Chargement des skins
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if (header.num_skins > 0)
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{
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stream.SetCursorPos(header.offset_skins);
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{
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char skin[68];
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for (unsigned int i = 0; i < header.num_skins; ++i)
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{
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stream.Read(skin, 68*sizeof(char));
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mesh->AddSkin(skin);
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}
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}
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}
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/// Chargement des animations
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if (animated)
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{
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NzAnimation* animation = new NzAnimation;
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if (animation->Create(nzAnimationType_Keyframe, endFrame-startFrame+1))
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{
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// Décodage des séquences
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NzString frameName;
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NzSequence sequence;
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sequence.framePerSecond = 10; // Par défaut pour les animations MD2
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char name[16], last[16];
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stream.SetCursorPos(header.offset_frames + startFrame*header.framesize + offsetof(md2_frame, name));
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stream.Read(last, 16*sizeof(char));
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int pos = std::strlen(last)-1;
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for (unsigned int j = 0; j < 2; ++j)
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{
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if (!std::isdigit(last[pos]))
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break;
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pos--;
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}
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last[pos+1] = '\0';
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unsigned int numFrames = 0;
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for (unsigned int i = startFrame; i <= endFrame; ++i)
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{
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stream.SetCursorPos(header.offset_frames + i*header.framesize + offsetof(md2_frame, name));
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stream.Read(name, 16*sizeof(char));
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pos = std::strlen(name)-1;
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for (unsigned int j = 0; j < 2; ++j)
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{
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if (!std::isdigit(name[pos]))
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break;
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pos--;
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}
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name[pos+1] = '\0';
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if (std::strcmp(name, last) != 0) // Si les deux frames n'ont pas le même nom
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{
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// Alors on enregistre la séquence
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sequence.firstFrame = i-numFrames;
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sequence.lastFrame = i-1;
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sequence.name = last;
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animation->AddSequence(sequence);
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std::strcpy(last, name);
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numFrames = 0;
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}
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numFrames++;
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}
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// On ajoute la dernière frame (Qui n'a pas été traitée par la boucle)
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sequence.firstFrame = endFrame-numFrames;
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sequence.lastFrame = endFrame;
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sequence.name = last;
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animation->AddSequence(sequence);
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mesh->SetAnimation(animation);
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animation->SetPersistent(false);
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}
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else
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NazaraInternalError("Failed to create animaton");
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}
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/// Chargement des submesh
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// Actuellement le loader ne charge qu'un submesh
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// TODO: Utiliser les commandes OpenGL pour accélérer le rendu
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NzMD2Mesh* subMesh = new NzMD2Mesh(mesh);
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if (!subMesh->Create(header, stream, parameters))
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{
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NazaraError("Failed to create MD2 mesh");
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return false;
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}
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mesh->AddSubMesh(subMesh);
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return true;
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}
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}
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void NzLoaders_MD2_Register()
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{
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NzMD2Mesh::Initialize();
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NzMeshLoader::RegisterLoader("md2", NzLoader_MD2_Check, NzLoader_MD2_Load);
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}
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void NzLoaders_MD2_Unregister()
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{
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NzMeshLoader::UnregisterLoader("md2", NzLoader_MD2_Check, NzLoader_MD2_Load);
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NzMD2Mesh::Uninitialize();
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}
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