diff options
Diffstat (limited to 'src/models.c')
| -rw-r--r-- | src/models.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/models.c b/src/models.c index b233cf2a..168ac2c3 100644 --- a/src/models.c +++ b/src/models.c @@ -8,6 +8,8 @@ * #define SUPPORT_FILEFORMAT_MTL * #define SUPPORT_FILEFORMAT_IQM * #define SUPPORT_FILEFORMAT_GLTF +* #define SUPPORT_FILEFORMAT_VOX +* * Selected desired fileformats to be supported for model data loading. * * #define SUPPORT_MESH_GENERATION @@ -71,6 +73,11 @@ #include "external/stb_image.h" // glTF texture images loading #endif +#if defined(SUPPORT_FILEFORMAT_VOX) + #define VOX_LOADER_IMPLEMENTATION + #include "external/vox_loader.h" // vox file format loading +#endif + #if defined(SUPPORT_MESH_GENERATION) #define PAR_MALLOC(T, N) ((T*)RL_MALLOC(N*sizeof(T))) #define PAR_CALLOC(T, N) ((T*)RL_CALLOC(N*sizeof(T), 1)) @@ -131,6 +138,9 @@ static void GetGLTFPrimitiveCount(cgltf_node *node, int *outCount); static bool ReadGLTFValue(cgltf_accessor *acc, unsigned int index, void *variable); static void *ReadGLTFValuesAs(cgltf_accessor *acc, cgltf_component_type type, bool adjustOnDownCasting); #endif +#if defined(SUPPORT_FILEFORMAT_VOX) +static Model LoadVOX(const char* filename); //Load VOX mesh data +#endif //---------------------------------------------------------------------------------- // Module Functions Definition @@ -718,6 +728,9 @@ Model LoadModel(const char *fileName) #if defined(SUPPORT_FILEFORMAT_GLTF) if (IsFileExtension(fileName, ".gltf;.glb")) model = LoadGLTF(fileName); #endif +#if defined(SUPPORT_FILEFORMAT_VOX) + if (IsFileExtension(fileName, ".vox")) model = LoadVOX(fileName); +#endif // Make sure model transform is set to identity matrix! model.transform = MatrixIdentity(); @@ -5469,3 +5482,100 @@ static void GetGLTFPrimitiveCount(cgltf_node *node, int *outCount) } #endif + +#if defined(SUPPORT_FILEFORMAT_VOX) +// Load OBJ mesh data +static Model LoadVOX(const char* fileName) +{ + Model model = { 0 }; + int nbvertices = 0; + int meshescount = 0; + + ////////////////////////////////// + // Load MagicaVoxel fileformat + + VoxArray3D voxarray; + int ret = Vox_LoadFileName(fileName, &voxarray); + + if (ret != VOX_SUCCESS) + { + TRACELOG(LOG_WARNING, "MODEL: [%s] Failed to load VOX data", fileName); + return model; + } + else + { + // Compute meshes count + nbvertices = voxarray.vertices.used; + meshescount = 1 + (nbvertices / 65536); + + TRACELOG(LOG_INFO, "MODEL: [%s] VOX data loaded successfully : %i vertices/%i meshes", fileName, nbvertices, meshescount); + } + + ////////////////////////////////// + // Build model + + // Build Models from meshes + model.transform = MatrixIdentity(); + + model.meshCount = meshescount; + model.meshes = (Mesh*)MemAlloc(model.meshCount * sizeof(Mesh)); + + model.meshMaterial = (int*)MemAlloc(model.meshCount * sizeof(int)); + + model.materialCount = 1; + model.materials = (Material*)MemAlloc(model.materialCount * sizeof(Material)); + model.materials[0] = LoadMaterialDefault(); + + + // Init model's meshes + int verticesRemain = voxarray.vertices.used; + int verticesMax = 65532; //5461 voxels x 12 vertices per voxel -> 65532 (must be inf 65536) + + Vector3* pvertices = voxarray.vertices.array; //6*4=12 vertices per voxel + Color* pcolors = voxarray.colors.array; + unsigned short* pindices = voxarray.indices.array; //5461 * 6 * 6 -> 196596 indices max per mesh + + int size; + + for (int idxMesh = 0; idxMesh < meshescount; idxMesh++) + { + Mesh* pmesh = &model.meshes[idxMesh]; + memset(pmesh, 0, sizeof(Mesh)); + + // Copy Vertices + pmesh->vertexCount = (int)fmin(verticesMax, verticesRemain); + + size = pmesh->vertexCount * sizeof(float) * 3; + pmesh->vertices = MemAlloc(size); + memcpy(pmesh->vertices, pvertices, size); + + //Copy Indices TODO compute globals indices array + size = voxarray.indices.used * sizeof(unsigned short); + pmesh->indices = MemAlloc(size); + memcpy(pmesh->indices, pindices, size); + + pmesh->triangleCount = (pmesh->vertexCount / 4) * 2; + + // Copy Colors + size = pmesh->vertexCount * sizeof(Color); + pmesh->colors = MemAlloc(size); + memcpy(pmesh->colors, pcolors, size); + + // First material index + model.meshMaterial[idxMesh] = 0; + + // Build GPU mesh + UploadMesh(pmesh, false); + + //Next + verticesRemain -= verticesMax; + pvertices += verticesMax; + pcolors += verticesMax; + } + + //Free arrays + Vox_FreeArrays(&voxarray); + + return model; +} +#endif
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