Changelog 3.1.2

This release mainly adds possibility to define shaders used by a material in individual render passes, which in combination with render queues enables creating advanced rendering pipelines.

GML API:

Core module:

Added new macro BBMOD_RGBM_VALUE_MAX, which defines the maximum value which a single color channel can have before it is converted to RGBM.
Added new struct BBMOD_Color, which supports HDR colors.
Added new struct BBMOD_BaseShader, which does not define any uniforms specific to BBMOD and it is now the base class for shader resource wrappers.
Struct BBMOD_Shader now inherits from BBMOD_BaseShader.
Added new enum of render passes BBMOD_ERenderPass.
Deprecated macros BBMOD_RENDER_DEFERRED, BBMOD_RENDER_FORWARD and BBMOD_RENDER_SHADOWS. Use appropriate members of BBMOD_ERenderPass instead, as these macros will be removed in a future release.
Removed property Shader of BBMOD_Material.
Added new methods set_shader, has_shader, get_shader and remove_shader to BBMOD_Material, using which you can define shaders used by the material in specific render passes.
Method BBMOD_Material.apply now returns true or false based on whether the material was applied (instead of always returning self).
Method BBMOD_Material.submit_queue does no longer automatically clear the queue.
Added new method BBMOD_Material.clear_queue, which clears the material's render queue.
New BBMOD_Materials no longer use the checkerboard texture as the default. The texture is still used by BBMOD_MATERIAL_DEFAULT* materials.
Function bbmod_get_materials now accepts an optional render pass argument, using which you can retrieve only materials that have a shader for a specific render pass.
Added new interface BBMOD_IRenderTarget, which is an interface for structs that can be set as a render target.
Added new methods Set and SetIndex to BBMOD_Vec2, BBMOD_Vec3 and BBMOD_Vec4 using which you can change the vector components in-place.
Moved bbmod_set_camera_position, global.bbmod_camera_exposure, global.bbmod_camera_position from the PBR module to the Core module to resolve dependency issues.
Added new function bbmod_get_calling_function_name, using which you can retrieve the name of the function that calls it.
Added new function bbmod_class_get_name, using which you can retrieve class names of structs inheriting from BBMOD_Class.
Added new macro BBMOD_CLASS_GENERATED_BODY, which now must always be the first line in structs inheriting from BBMOD_Class.
Added new method BBMOD_Class.is_instance, using which you can test if an instance of BBMOD_Class inherits from a specific class.

Importer module:

Fixed import of OBJ model that included empty lines.

Rendering module:

Added new module - Rendering.

Cubemap submodule:

Added new submodule - Cubemap.
Added new struct BBMOD_Cubemap, using which you can easily render scenes into a cubemap.

PBR submodule:

PBR is now a submodule of the Rendering module.
Parameter _shader in the constructor of BBMOD_PBRMaterial is now optional.
Method BBMOD_PBRMaterial.set_emissive now accepts BBMOD_Color as an argument. The variant with 3 arguments (one for each color channel) is kept for backwards compatibility, but it should not be used anymore, as it will be removed in a future release!

Renderer submodule:

Renderer is now a submodule of the Rendering module.

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