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lovr
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ModelData exposes its skins; 

ew
This commit is contained in:
bjorn 2021-10-08 14:12:30 -07:00
parent 3bfe2ee3d5
commit b3a5a14c2d
1 changed files with 36 additions and 0 deletions
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36
src/api/l_data_modelData.c
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@ -403,6 +403,39 @@ static int l_lovrModelDataGetMaterialValue(lua_State* L) {
return 1;
}
static int l_lovrModelDataGetSkinCount(lua_State* L) {
ModelData* model = luax_checktype(L, 1, ModelData);
lua_pushinteger(L, model->skinCount);
return 1;
}
static int l_lovrModelDataGetSkinJoints(lua_State* L) {
ModelData* model = luax_checktype(L, 1, ModelData);
uint32_t index = luaL_checkinteger(L, 2) - 1;
lovrCheck(index < model->skinCount, "Invalid skin index '%d'", index + 1);
ModelSkin* skin = &model->skins[index];
lua_createtable(L, skin->jointCount, 0);
for (uint32_t i = 0; i < skin->jointCount; i++) {
lua_pushinteger(L, skin->joints[i]);
lua_rawseti(L, -2, i + 1);
}
return 1;
}
static int l_lovrModelDataGetSkinInverseBindMatrix(lua_State* L) {
ModelData* model = luax_checktype(L, 1, ModelData);
uint32_t index = luaL_checkinteger(L, 2) - 1;
lovrCheck(index < model->skinCount, "Invalid skin index '%d'", index + 1);
ModelSkin* skin = &model->skins[index];
uint32_t joint = luaL_checkinteger(L, 3) - 1;
lovrCheck(index < skin->jointCount, "Invalid joint index '%d'", joint + 1);
float* m = skin->inverseBindMatrices + joint * 16;
for (uint32_t i = 0; i < 16; i++) {
lua_pushnumber(L, m[i]);
}
return 16;
}
const luaL_Reg lovrModelData[] = {
{ "getBlobCount", l_lovrModelDataGetBlobCount },
{ "getBlob", l_lovrModelDataGetBlob },
@ -433,5 +466,8 @@ const luaL_Reg lovrModelData[] = {
{ "getMaterialImage", l_lovrModelDataGetMaterialImage },
{ "getMaterialColor", l_lovrModelDataGetMaterialColor },
{ "getMaterialValue", l_lovrModelDataGetMaterialValue },
{ "getSkinCount", l_lovrModelDataGetSkinCount },
{ "getSkinJoints", l_lovrModelDataGetSkinJoints },
{ "getSkinInverseBindMatrix", l_lovrModelDataGetSkinInverseBindMatrix },
{ NULL, NULL }
};