101 lines
4.1 KiB
Python
101 lines
4.1 KiB
Python
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from typing import Optional
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import lnx.material.cycles as cycles
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import lnx.material.mat_state as mat_state
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import lnx.material.make_skin as make_skin
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import lnx.material.make_particle as make_particle
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import lnx.material.make_inst as make_inst
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import lnx.material.make_tess as make_tess
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import lnx.material.make_morph_target as make_morph_target
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from lnx.material.shader import Shader, ShaderContext
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import lnx.utils
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if lnx.is_reload(__name__):
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cycles = lnx.reload_module(cycles)
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mat_state = lnx.reload_module(mat_state)
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make_skin = lnx.reload_module(make_skin)
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make_particle = lnx.reload_module(make_particle)
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make_inst = lnx.reload_module(make_inst)
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make_tess = lnx.reload_module(make_tess)
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make_morph_target = lnx.reload_module(make_morph_target)
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lnx.material.shader = lnx.reload_module(lnx.material.shader)
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from lnx.material.shader import Shader, ShaderContext
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lnx.utils = lnx.reload_module(lnx.utils)
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else:
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lnx.enable_reload(__name__)
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def write_vertpos(vert):
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billboard = mat_state.material.lnx_billboard
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particle = mat_state.material.lnx_particle_flag
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# Particles
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if particle:
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if lnx.utils.get_rp().lnx_particles == 'On':
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make_particle.write(vert, particle_info=cycles.particle_info)
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# Billboards
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if billboard == 'spherical':
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vert.add_uniform('mat4 WV', '_worldViewMatrix')
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vert.add_uniform('mat4 P', '_projectionMatrix')
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vert.write('gl_Position = P * (WV * vec4(0.0, 0.0, spos.z, 1.0) + vec4(spos.x, spos.y, 0.0, 0.0));')
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else:
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vert.add_uniform('mat4 WVP', '_worldViewProjectionMatrix')
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vert.write('gl_Position = WVP * spos;')
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else:
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# Billboards
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if billboard == 'spherical':
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vert.add_uniform('mat4 WVP', '_worldViewProjectionMatrixSphere')
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elif billboard == 'cylindrical':
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vert.add_uniform('mat4 WVP', '_worldViewProjectionMatrixCylinder')
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else: # off
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vert.add_uniform('mat4 WVP', '_worldViewProjectionMatrix')
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vert.write('gl_Position = WVP * spos;')
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def write_norpos(con_mesh: ShaderContext, vert: Shader, declare=False, write_nor=True):
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is_bone = con_mesh.is_elem('bone')
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is_morph = con_mesh.is_elem('morph')
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if is_morph:
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make_morph_target.morph_pos(vert)
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if is_bone:
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make_skin.skin_pos(vert)
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if write_nor:
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prep = 'vec3 ' if declare else ''
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if is_morph:
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make_morph_target.morph_nor(vert, is_bone, prep)
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if is_bone:
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make_skin.skin_nor(vert, is_morph, prep)
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if not is_morph and not is_bone:
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vert.write_attrib(prep + 'wnormal = normalize(N * vec3(nor.xy, pos.w));')
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if con_mesh.is_elem('ipos'):
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make_inst.inst_pos(con_mesh, vert)
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def write_tex_coords(con_mesh: ShaderContext, vert: Shader, frag: Shader, tese: Optional[Shader]):
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rpdat = lnx.utils.get_rp()
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if con_mesh.is_elem('tex'):
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vert.add_out('vec2 texCoord')
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vert.add_uniform('float texUnpack', link='_texUnpack')
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if mat_state.material.lnx_tilesheet_flag:
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if mat_state.material.lnx_particle_flag and rpdat.lnx_particles == 'On':
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make_particle.write_tilesheet(vert)
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else:
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vert.add_uniform('vec2 tilesheetOffset', '_tilesheetOffset')
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vert.write_attrib('texCoord = tex * texUnpack + tilesheetOffset;')
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else:
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vert.write_attrib('texCoord = tex * texUnpack;')
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if tese is not None:
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tese.write_pre = True
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make_tess.interpolate(tese, 'texCoord', 2, declare_out=frag.contains('texCoord'))
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tese.write_pre = False
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if con_mesh.is_elem('tex1'):
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vert.add_out('vec2 texCoord1')
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vert.add_uniform('float texUnpack', link='_texUnpack')
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vert.write_attrib('texCoord1 = tex1 * texUnpack;')
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if tese is not None:
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tese.write_pre = True
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make_tess.interpolate(tese, 'texCoord1', 2, declare_out=frag.contains('texCoord1'))
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tese.write_pre = False
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