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Expose material constant data

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This commit is contained in:
Joshua Goins 2024-04-27 12:58:36 -04:00
parent f54e128bba
commit 808b383949
1 changed files with 22 additions and 7 deletions
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29
src/mtrl.rs
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@ -70,14 +70,22 @@ pub struct ShaderKey {
#[binrw] #[binrw]
#[derive(Debug, Clone, Copy)] #[derive(Debug, Clone, Copy)]
#[repr(C)]
#[allow(dead_code)] #[allow(dead_code)]
pub struct Constant { pub struct ConstantStruct {
constant_id: u32, constant_id: u32,
value_offset: u16, value_offset: u16,
value_size: u16, value_size: u16,
} }
#[binrw]
#[derive(Debug, Clone, Copy)]
#[repr(C)]
#[allow(dead_code)]
pub struct Constant {
id: u32,
value: f32 // TDOO: only supports single float for now
}
// from https://github.com/NotAdam/Lumina/blob/master/src/Lumina/Data/Parsing/MtrlStructs.cs // from https://github.com/NotAdam/Lumina/blob/master/src/Lumina/Data/Parsing/MtrlStructs.cs
#[binrw] #[binrw]
#[repr(u8)] #[repr(u8)]
@ -175,7 +183,7 @@ struct MaterialData {
#[br(count = header.shader_key_count)] #[br(count = header.shader_key_count)]
shader_keys: Vec<ShaderKey>, shader_keys: Vec<ShaderKey>,
#[br(count = header.constant_count)] #[br(count = header.constant_count)]
constants: Vec<Constant>, constants: Vec<ConstantStruct>,
#[br(count = header.sampler_count)] #[br(count = header.sampler_count)]
samplers: Vec<Sampler>, samplers: Vec<Sampler>,
#[br(count = header.shader_value_list_size / 4)] #[br(count = header.shader_value_list_size / 4)]
@ -189,7 +197,6 @@ pub struct Material {
pub shader_keys: Vec<ShaderKey>, pub shader_keys: Vec<ShaderKey>,
pub constants: Vec<Constant>, pub constants: Vec<Constant>,
pub samplers: Vec<Sampler>, pub samplers: Vec<Sampler>,
pub shader_values: Vec<f32>,
} }
impl Material { impl Material {
@ -227,13 +234,21 @@ impl Material {
next_char = mat_data.strings[offset] as char; next_char = mat_data.strings[offset] as char;
} }
let mut constants = Vec::new();
for constant in mat_data.constants {
// TODO: support constants that aren't single floats
constants.push(Constant {
id: constant.constant_id,
value: mat_data.shader_values[constant.value_offset as usize / 4]
});
}
Some(Material { Some(Material {
shader_package_name, shader_package_name,
texture_paths, texture_paths,
shader_keys: mat_data.shader_keys, shader_keys: mat_data.shader_keys,
constants: mat_data.constants, constants,
samplers: mat_data.samplers, samplers: mat_data.samplers
shader_values: mat_data.shader_values
}) })
} }
} }