diff options
Diffstat (limited to 'src/renderer/render.c')
| -rw-r--r-- | src/renderer/render.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/renderer/render.c b/src/renderer/render.c index 42f6ee4..d7e2d48 100644 --- a/src/renderer/render.c +++ b/src/renderer/render.c @@ -1,6 +1,7 @@ #include <assert.h> #include <stdlib.h> #include <string.h> +#include "animation.h" #include "maths_types.h" #include "mem.h" #define STB_IMAGE_IMPLEMENTATION @@ -192,8 +193,19 @@ void draw_skinned_mesh(renderer* ren, mesh* mesh, transform tf, material* mat, m // for now assume correct ordering mat4* bone_transforms = malloc(n_bones * sizeof(mat4)); + mat4 parent = mat4_ident(); for (int bone_i = 0; bone_i < n_bones; bone_i++) { - bone_transforms[bone_i] = mat4_ident(); + transform tf = mesh->bones->data[bone_i].transform_components; + mat4 local = transform_to_mat(&mesh->bones->data[bone_i].transform_components); + bone_transforms[bone_i] = mat4_mult(parent, local); + parent = bone_transforms[bone_i]; + } + + // premultiply the inverses + for (int bone_i = 0; bone_i < n_bones; bone_i++) { + joint j = mesh->bones->data[bone_i]; + // bone_transforms[bone_i] = mat4_mult(bone_transforms[bone_i], j.inverse_bind_matrix); + bone_transforms[bone_i] = mat4_mult(bone_transforms[bone_i], j.inverse_bind_matrix); } glUniformMatrix4fv(glGetUniformLocation(lighting_shader.program_id, "boneMatrices"), n_bones, |