From 6f253e62c351308489258ee16a854f33c1bf635c Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Wed, 27 Jul 2011 15:41:39 +0000
Subject: [PATCH] update for h3d shader export so lights work correctly
---
io_scene_x3d/export_x3d.py | 86 ++++++++++++++++++++++++++++++--------
1 file changed, 68 insertions(+), 18 deletions(-)
diff --git a/io_scene_x3d/export_x3d.py b/io_scene_x3d/export_x3d.py
index c54d5d0a8..da35dad2f 100644
--- a/io_scene_x3d/export_x3d.py
+++ b/io_scene_x3d/export_x3d.py
@@ -68,6 +68,10 @@ x3d_names_reserved = {'Anchor', 'Appearance', 'Arc2D', 'ArcClose2D', 'AudioClip'
'TriangleFanSet', 'TriangleSet', 'TriangleSet2D', 'TriangleStripSet', 'Viewpoint', 'VisibilitySensor',
'WorldInfo', 'X3D', 'XvlShell', 'VertexShader', 'FragmentShader', 'MultiShaderAppearance', 'ShaderAppearance'}
+# h3d defines
+H3D_TOP_LEVEL = 'TOP_LEVEL_TI'
+H3D_VIEW_MATRIX = 'view_matrix'
+
def clamp_color(col):
return tuple([max(min(c, 1.0), 0.0) for c in col])
@@ -81,6 +85,10 @@ def prefix_quoted_str(value, prefix):
return value[0] + prefix + value[1:]
+def suffix_quoted_str(value, suffix):
+ return value[:-1] + suffix + value[-1:]
+
+
def build_hierarchy(objects):
""" returns parent child relationships, skipping
"""
@@ -105,22 +113,22 @@ def build_hierarchy(objects):
# -----------------------------------------------------------------------------
# H3D Functions
# -----------------------------------------------------------------------------
-def h3d_shader_glsl_frag_patch(filepath):
+def h3d_shader_glsl_frag_patch(filepath, global_vars):
h3d_file = open(filepath, 'r')
lines = []
for l in h3d_file:
- l = l.replace("uniform mat4 unfinvviewmat;", "")
- l = l.replace("unfinvviewmat", "gl_ModelViewMatrixInverse")
-
- '''
- l = l.replace("varying vec3 varposition;", "")
- l = l.replace("varposition", "gl_Vertex") # not needed int H3D
- '''
-
- #l = l.replace("varying vec3 varnormal;", "")
- #l = l.replace("varnormal", "gl_Normal") # view normal
- #l = l.replace("varnormal", "normalize(-(gl_ModelViewMatrix * gl_Vertex).xyz)") # view normal
- # l = l.replace("varnormal", "gl_NormalMatrix * gl_Normal") # view normal
+ if l.startswith("void main(void)"):
+ lines.append("\n")
+ lines.append("// h3d custom vars begin\n")
+ for v in global_vars:
+ lines.append("%s\n" % v)
+ lines.append("// h3d custom vars end\n")
+ lines.append("\n")
+ elif l.lstrip().startswith("lamp_visibility_other("):
+ w = l.split(', ')
+ w[1] = '(view_matrix * %s_transform * vec4(%s.x, %s.y, %s.z, 1.0)).xyz' % (w[1], w[1], w[1], w[1])
+ l = ", ".join(w)
+
lines.append(l)
h3d_file.close()
@@ -174,6 +182,7 @@ def export(file,
import gpu
gpu_shader_dummy_mat = bpy.data.materials.new('X3D_DYMMY_MAT')
gpu_shader_cache[None] = gpu.export_shader(scene, gpu_shader_dummy_mat)
+ h3d_material_route = []
# -------------------------------------------------------------------------
# File Writing Functions
@@ -201,9 +210,20 @@ def export(file,
fw('%s</head>\n' % ident)
fw('%s<Scene>\n' % ident)
ident += '\t'
+
+ if use_h3d:
+ # outputs the view matrix in glModelViewMatrix field
+ fw('%s<TransformInfo DEF="%s" outputGLMatrices="true" />\n' % (ident, H3D_TOP_LEVEL))
+
return ident
def writeFooter(ident):
+
+ if use_h3d:
+ # global
+ for route in h3d_material_route:
+ fw('%s%s\n' % (ident, route))
+
ident = ident[:-1]
fw('%s</Scene>\n' % ident)
ident = ident[:-1]
@@ -408,7 +428,7 @@ def export(file,
del texface_use_collision
# del texface_use_object_color
- ident = writeTransform_begin(ident, matrix, None)
+ ident = writeTransform_begin(ident, matrix, suffix_quoted_str(obj_id, "_TRANSFORM"))
if mesh.tag:
fw('%s<Group USE=%s />\n' % (ident, mesh_id_group))
@@ -965,6 +985,16 @@ def export(file,
if not os.path.isdir(shader_dir):
os.mkdir(shader_dir)
+ # ------------------------------------------------------
+ # shader-patch
+ fw('%s<field name="%s" type="SFMatrix4f" accessType="inputOutput" />\n' % (ident, H3D_VIEW_MATRIX))
+ frag_vars = ["uniform mat4 %s;" % H3D_VIEW_MATRIX]
+
+ h3d_material_route.append(
+ '<ROUTE fromNode="%s" fromField="glModelViewMatrix" toNode=%s toField="%s" />' %
+ (H3D_TOP_LEVEL, material_id, H3D_VIEW_MATRIX))
+ # ------------------------------------------------------
+
for uniform in gpu_shader['uniforms']:
if uniform['type'] == gpu.GPU_DYNAMIC_SAMPLER_2DIMAGE:
fw('%s<field name="%s" type="SFNode" accessType="inputOutput">\n' % (ident, uniform['varname']))
@@ -973,8 +1003,27 @@ def export(file,
elif uniform['type'] == gpu.GPU_DYNAMIC_LAMP_DYNCO:
if uniform['datatype'] == gpu.GPU_DATA_3F: # should always be true!
- value = '%.6g %.6g %.6g' % (global_matrix * bpy.data.objects[uniform['lamp']].matrix_world).to_translation()[:]
+ lamp_obj = bpy.data.objects[uniform['lamp']]
+ lamp_obj_id = quoteattr(unique_name(lamp_obj, 'LA_' + lamp_obj.name, uuid_cache_lamp))
+
+ value = '%.6g %.6g %.6g' % (global_matrix * lamp_obj.matrix_world).to_translation()[:]
fw('%s<field name="%s" type="SFVec3f" accessType="inputOutput" value="%s" />\n' % (ident, uniform['varname'], value))
+
+ # ------------------------------------------------------
+ # shader-patch
+ fw('%s<field name="%s_transform" type="SFMatrix4f" accessType="inputOutput" />\n' % (ident, uniform['varname']))
+
+ # transform
+ frag_vars.append("uniform mat4 %s_transform;" % uniform['varname'])
+ h3d_material_route.append(
+ '<ROUTE fromNode=%s fromField="accForwardMatrix" toNode=%s toField="%s_transform" />' %
+ (suffix_quoted_str(lamp_obj_id, "_TRANSFORM"), material_id, uniform['varname']))
+
+ h3d_material_route.append(
+ '<ROUTE fromNode=%s fromField="location" toNode=%s toField="%s" />' %
+ (suffix_quoted_str(lamp_obj_id, "_TRANSFORM"), material_id, uniform['varname']))
+ # ------------------------------------------------------
+
else:
assert(0)
@@ -995,7 +1044,8 @@ def export(file,
elif uniform['type'] == gpu.GPU_DYNAMIC_LAMP_DYNVEC:
if uniform['datatype'] == gpu.GPU_DATA_3F:
- value = '%.6g %.6g %.6g' % (mathutils.Vector((0.0, 0.0, 1.0)) * (global_matrix * bpy.data.objects[uniform['lamp']].matrix_world).to_quaternion()).normalized()[:]
+ lamp_obj = bpy.data.objects[uniform['lamp']]
+ value = '%.6g %.6g %.6g' % (mathutils.Vector((0.0, 0.0, 1.0)) * (global_matrix * lamp_obj.matrix_world).to_quaternion()).normalized()[:]
fw('%s<field name="%s" type="SFVec3f" accessType="inputOutput" value="%s" />\n' % (ident, uniform['varname'], value))
else:
assert(0)
@@ -1060,7 +1110,7 @@ def export(file,
file_frag.write(gpu_shader['fragment'])
file_frag.close()
# patch it
- h3d_shader_glsl_frag_patch(os.path.join(base_dst, shader_url_frag))
+ h3d_shader_glsl_frag_patch(os.path.join(base_dst, shader_url_frag), frag_vars)
file_vert = open(os.path.join(base_dst, shader_url_vert), 'w')
file_vert.write(gpu_shader['vertex'])
@@ -1192,7 +1242,7 @@ def export(file,
obj_main_id = quoteattr(unique_name(obj_main, obj_main.name, uuid_cache_object))
- ident = writeTransform_begin(ident, obj_main_matrix if obj_main_parent else global_matrix * obj_main_matrix, obj_main_id)
+ ident = writeTransform_begin(ident, obj_main_matrix if obj_main_parent else global_matrix * obj_main_matrix, suffix_quoted_str(obj_main_id, "_TRANSFORM"))
for obj, obj_matrix in derived:
obj_type = obj.type
--
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