2018-03-15 16:02:56 +01:00
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import arm.utils
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2016-12-19 01:25:22 +01:00
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2021-08-11 14:32:21 +02:00
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if arm.is_reload(__name__):
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2021-08-04 22:49:38 +02:00
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arm.utils = arm.reload_module(arm.utils)
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else:
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2021-08-11 14:32:21 +02:00
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arm.enable_reload(__name__)
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2021-08-04 22:49:38 +02:00
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2016-12-19 01:25:22 +01:00
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def skin_pos(vert):
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2018-08-30 15:42:25 +02:00
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vert.add_include('compiled.inc')
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2017-10-10 09:57:23 +02:00
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2018-03-15 16:02:56 +01:00
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rpdat = arm.utils.get_rp()
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2019-04-06 14:13:38 +02:00
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vert.add_include('std/skinning.glsl')
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vert.add_uniform('vec4 skinBones[skinMaxBones * 2]', link='_skinBones', included=True)
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vert.add_uniform('float posUnpack', link='_posUnpack')
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vert.write_attrib('vec4 skinA;')
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vert.write_attrib('vec4 skinB;')
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vert.write_attrib('getSkinningDualQuat(ivec4(bone * 32767), weight, skinA, skinB);')
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vert.write_attrib('spos.xyz *= posUnpack;')
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vert.write_attrib('spos.xyz += 2.0 * cross(skinA.xyz, cross(skinA.xyz, spos.xyz) + skinA.w * spos.xyz); // Rotate')
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vert.write_attrib('spos.xyz += 2.0 * (skinA.w * skinB.xyz - skinB.w * skinA.xyz + cross(skinA.xyz, skinB.xyz)); // Translate')
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vert.write_attrib('spos.xyz /= posUnpack;')
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2017-10-10 09:57:23 +02:00
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2021-08-04 22:49:38 +02:00
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2021-10-18 19:53:23 +02:00
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def skin_nor(vert, is_morph, prep):
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2018-03-15 16:02:56 +01:00
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rpdat = arm.utils.get_rp()
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2021-10-18 19:53:23 +02:00
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if(is_morph):
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vert.write_attrib(prep + 'wnormal = normalize(N * morphNor + 2.0 * cross(skinA.xyz, cross(skinA.xyz, morphNor) + skinA.w * morphNor)));')
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else:
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vert.write_attrib(prep + 'wnormal = normalize(N * (vec3(nor.xy, pos.w) + 2.0 * cross(skinA.xyz, cross(skinA.xyz, vec3(nor.xy, pos.w)) + skinA.w * vec3(nor.xy, pos.w))));')
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