173 lines
7.3 KiB
Python
173 lines
7.3 KiB
Python
import bpy
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import arm.material.cycles as cycles
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import arm.material.mat_state as mat_state
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import arm.material.mat_utils as mat_utils
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import arm.material.make_skin as make_skin
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import arm.material.make_inst as make_inst
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import arm.material.make_tess as make_tess
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import arm.material.make_particle as make_particle
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import arm.material.make_finalize as make_finalize
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import arm.assets as assets
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import arm.utils
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def make(context_id, rpasses, shadowmap=False):
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is_disp = mat_utils.disp_linked(mat_state.output_node)
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vs = [{'name': 'pos', 'data': 'short4norm'}]
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if is_disp:
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vs.append({'name': 'nor', 'data': 'short2norm'})
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con_depth = mat_state.data.add_context({ 'name': context_id, 'vertex_elements': vs, 'depth_write': True, 'compare_mode': 'less', 'cull_mode': 'clockwise', 'color_writes_red': [False], 'color_writes_green': [False], 'color_writes_blue': [False], 'color_writes_alpha': [False] })
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vert = con_depth.make_vert()
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frag = con_depth.make_frag()
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geom = None
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tesc = None
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tese = None
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vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
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parse_opacity = 'translucent' in rpasses or mat_state.material.arm_discard
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if parse_opacity:
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frag.write('vec3 n;') # Discard at compile time
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frag.write('float dotNV;')
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frag.write('float opacity;')
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if con_depth.is_elem('bone'):
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make_skin.skin_pos(vert)
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if con_depth.is_elem('ipos'):
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make_inst.inst_pos(con_depth, vert)
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rpdat = arm.utils.get_rp()
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if mat_state.material.arm_particle_flag and rpdat.arm_particles == 'GPU':
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make_particle.write(vert, shadowmap=shadowmap)
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if is_disp:
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if rpdat.arm_rp_displacement == 'Vertex':
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frag.ins = vert.outs
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vert.add_uniform('mat3 N', '_normalMatrix')
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vert.write('vec3 wnormal = normalize(N * vec3(nor.xy, pos.w));')
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cycles.parse(mat_state.nodes, con_depth, vert, frag, geom, tesc, tese, parse_surface=False, parse_opacity=parse_opacity)
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if con_depth.is_elem('tex'):
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vert.add_out('vec2 texCoord') ## vs only, remove out
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vert.add_uniform('float texUnpack', link='_texUnpack')
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vert.write_attrib('texCoord = tex * texUnpack;')
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if con_depth.is_elem('tex1'):
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vert.add_out('vec2 texCoord1') ## vs only, remove out
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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 con_depth.is_elem('col'):
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vert.add_out('vec3 vcolor')
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vert.write_attrib('vcolor = col.rgb;')
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vert.write('wposition += wnormal * disp;')
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if shadowmap:
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vert.add_uniform('mat4 LVP', '_lightViewProjectionMatrix')
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vert.write('gl_Position = LVP * vec4(wposition, 1.0);')
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else:
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vert.add_uniform('mat4 VP', '_viewProjectionMatrix')
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vert.write('gl_Position = VP * vec4(wposition, 1.0);')
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else: # Tessellation
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tesc = con_depth.make_tesc()
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tese = con_depth.make_tese()
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tesc.ins = vert.outs
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tese.ins = tesc.outs
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frag.ins = tese.outs
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vert.add_out('vec3 wnormal')
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vert.add_uniform('mat3 N', '_normalMatrix')
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vert.write('wnormal = normalize(N * vec3(nor.xy, pos.w));')
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make_tess.tesc_levels(tesc, rpdat.arm_tess_shadows_inner, rpdat.arm_tess_shadows_outer)
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make_tess.interpolate(tese, 'wposition', 3)
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make_tess.interpolate(tese, 'wnormal', 3, normalize=True)
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cycles.parse(mat_state.nodes, con_depth, vert, frag, geom, tesc, tese, parse_surface=False, parse_opacity=parse_opacity)
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if con_depth.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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vert.write('texCoord = tex * texUnpack;')
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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_depth.is_elem('tex1'):
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vert.add_out('vec2 texCoord1')
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vert.write('texCoord1 = tex1;')
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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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if con_depth.is_elem('col'):
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vert.add_out('vec3 vcolor')
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vert.write('vcolor = col.rgb;')
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tese.write_pre = True
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make_tess.interpolate(tese, 'vcolor', 3, declare_out=frag.contains('vcolor'))
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tese.write_pre = False
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if shadowmap:
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tese.add_uniform('mat4 LVP', '_lightViewProjectionMatrix')
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tese.write('wposition += wnormal * disp;')
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tese.write('gl_Position = LVP * vec4(wposition, 1.0);')
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else:
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tese.add_uniform('mat4 VP', '_viewProjectionMatrix')
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tese.write('wposition += wnormal * disp;')
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tese.write('gl_Position = VP * vec4(wposition, 1.0);')
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# No displacement
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else:
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frag.ins = vert.outs
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billboard = mat_state.material.arm_billboard
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if shadowmap:
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if billboard == 'spherical':
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vert.add_uniform('mat4 LWVP', '_lightWorldViewProjectionMatrixSphere')
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elif billboard == 'cylindrical':
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vert.add_uniform('mat4 LWVP', '_lightWorldViewProjectionMatrixCylinder')
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else: # off
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vert.add_uniform('mat4 LWVP', '_lightWorldViewProjectionMatrix')
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vert.write('gl_Position = LWVP * spos;')
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else:
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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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if parse_opacity:
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cycles.parse(mat_state.nodes, con_depth, vert, frag, geom, tesc, tese, parse_surface=False, parse_opacity=True)
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if con_depth.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.arm_tilesheet_flag:
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vert.add_uniform('vec2 tilesheetOffset', '_tilesheetOffset')
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vert.write('texCoord = tex * texUnpack + tilesheetOffset;')
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else:
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vert.write('texCoord = tex * texUnpack;')
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if con_depth.is_elem('tex1'):
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vert.add_out('vec2 texCoord1')
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vert.write('texCoord1 = tex1;')
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if con_depth.is_elem('col'):
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vert.add_out('vec3 vcolor')
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vert.write('vcolor = col.rgb;')
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if parse_opacity:
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if mat_state.material.arm_discard:
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opac = mat_state.material.arm_discard_opacity_shadows
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else:
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opac = '1.0'
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frag.write('if (opacity < {0}) discard;'.format(opac))
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make_finalize.make(con_depth)
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assets.vs_equal(con_depth, assets.shader_cons['depth_vert'])
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assets.fs_equal(con_depth, assets.shader_cons['depth_frag'])
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return con_depth
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