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Started working on IQM/glTF loaders

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Ray 2018-09-05 10:59:05 +02:00
parent 10c22c8d61
commit 1fcb3c0317
3 changed files with 2104 additions and 7 deletions
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2023
src/external/cgltf.h vendored Normal file
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File diff suppressed because it is too large Load Diff

87
src/models.c
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@ -5,10 +5,10 @@
* CONFIGURATION:
*
* #define SUPPORT_FILEFORMAT_OBJ
* Selected desired fileformats to be supported for loading.
*
* #define SUPPORT_FILEFORMAT_MTL
* Selected desired fileformats to be supported for loading.
* #define SUPPORT_FILEFORMAT_IQM
* #define SUPPORT_FILEFORMAT_GLTF
* Selected desired fileformats to be supported for model data loading.
*
* #define SUPPORT_MESH_GENERATION
* Support procedural mesh generation functions, uses external par_shapes.h library
@ -48,8 +48,20 @@
#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 2.1, 3.3+ or ES2
#define PAR_SHAPES_IMPLEMENTATION
#include "external/par_shapes.h" // Shapes 3d parametric generation
#if defined(SUPPORT_FILEFORMAT_IQM)
#define RIQM_IMPLEMENTATION
#include "external/riqm.h" // IQM file format loading
#endif
#if defined(SUPPORT_FILEFORMAT_GLTF)
#define CGLTF_IMPLEMENTATION
#include "external/cgltf.h" // glTF file format loading
#endif
#if defined(SUPPORT_MESH_GENERATION)
#define PAR_SHAPES_IMPLEMENTATION
#include "external/par_shapes.h" // Shapes 3d parametric generation
#endif
//----------------------------------------------------------------------------------
// Defines and Macros
@ -75,6 +87,12 @@ static Mesh LoadOBJ(const char *fileName); // Load OBJ mesh data
#if defined(SUPPORT_FILEFORMAT_MTL)
static Material LoadMTL(const char *fileName); // Load MTL material data
#endif
#if defined(SUPPORT_FILEFORMAT_GLTF)
static Mesh LoadIQM(const char *fileName); // Load IQM mesh data
#endif
#if defined(SUPPORT_FILEFORMAT_GLTF)
static Mesh LoadGLTF(const char *fileName); // Load GLTF mesh data
#endif
//----------------------------------------------------------------------------------
// Module Functions Definition
@ -2206,9 +2224,8 @@ void MeshBinormals(Mesh *mesh)
Vector3 tangent = { mesh->tangents[i*4 + 0], mesh->tangents[i*4 + 1], mesh->tangents[i*4 + 2] };
float tangentW = mesh->tangents[i*4 + 3];
// TODO: Register computed binormal in mesh->binormal ?
// Vector3 binormal = Vector3Multiply( Vector3CrossProduct( normal, tangent ), tangentW );
// Vector3 binormal = Vector3Multiply(Vector3CrossProduct(normal, tangent), tangentW);
}
}
@ -2631,3 +2648,59 @@ static Material LoadMTL(const char *fileName)
return material;
}
#endif
#if defined(SUPPORT_FILEFORMAT_GLTF)
// Load IQM mesh data
static Mesh LoadIQM(const char *fileName)
{
Mesh mesh = { 0 };
// TODO: Load IQM file
return mesh;
}
#endif
#if defined(SUPPORT_FILEFORMAT_GLTF)
// Load GLTF mesh data
static Mesh LoadGLTF(const char *fileName)
{
Mesh mesh = { 0 };
// GLTF file loading
FILE *gltfFile = fopen(fileName, "rb");
if (gltfFile == NULL)
{
TraceLog(LOG_WARNING, "[%s] GLTF file could not be opened", fileName);
return mesh;
}
fseek(gltfFile, 0, SEEK_END);
int size = ftell(gltfFile);
fseek(gltfFile, 0, SEEK_SET);
void *buffer = malloc(size);
fread(buffer, size, 1, gltfFile);
fclose(gltfFile);
// GLTF data loading
cgltf_options options = {0};
cgltf_data data;
cgltf_result result = cgltf_parse(&options, buffer, size, &data);
if (result == cgltf_result_success)
{
printf("Type: %u\n", data.file_type);
printf("Version: %d\n", data.version);
printf("Meshes: %lu\n", data.meshes_count);
}
else TraceLog(LOG_WARNING, "[%s] GLTF data could not be loaded", fileName);
free(buffer);
cgltf_free(&data);
return mesh;
}
#endif

1
src/raylib.h
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@ -442,6 +442,7 @@ typedef struct RenderTexture2D {
// RenderTexture type, same as RenderTexture2D
typedef RenderTexture2D RenderTexture;
// N-Patch layout info
typedef struct NPatchInfo {
Rectangle sourceRec; // Region in the texture
int left; // left border offset