forked from Mirrors/openclonk
1041 lines
30 KiB
C++
1041 lines
30 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2009 Mark Haßelbusch
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* Copyright (c) 2009-2010 Armin Burgmeier
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* Copyright (c) 2009 Günther Brammer
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* Copyright (c) 2010 Benjamin Herr
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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#include "C4Include.h"
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#include <StdMeshMaterial.h>
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#include <StdDDraw2.h>
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#include <cctype>
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#include <memory>
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// MSVC doesn't define M_PI in math.h unless requested
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#ifdef _MSC_VER
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#define _USE_MATH_DEFINES
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#endif /* _MSC_VER */
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#include <math.h>
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#ifdef WITH_GLIB
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#include <glib.h>
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#else
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#include <sstream>
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#endif
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namespace
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{
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// String <-> Enum assocation
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template<typename EnumType>
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struct Enumerator
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{
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const char* Name;
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EnumType Value;
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};
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// Define a name for a sequence of enums
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template<int Num, typename EnumType>
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struct EnumeratorShortcut
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{
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const char* Name;
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EnumType Values[Num];
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};
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const Enumerator<StdMeshMaterialTextureUnit::TexAddressModeType> TexAddressModeEnumerators[] =
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{
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{ "wrap", StdMeshMaterialTextureUnit::AM_Wrap },
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{ "clamp", StdMeshMaterialTextureUnit::AM_Clamp },
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{ "mirror", StdMeshMaterialTextureUnit::AM_Mirror },
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{ "border", StdMeshMaterialTextureUnit::AM_Border },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::FilteringType> FilteringEnumerators[] =
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{
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{ "none", StdMeshMaterialTextureUnit::F_None },
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{ "point", StdMeshMaterialTextureUnit::F_Point },
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{ "linear", StdMeshMaterialTextureUnit::F_Linear },
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{ "anisotropic", StdMeshMaterialTextureUnit::F_Anisotropic },
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{ NULL }
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};
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const EnumeratorShortcut<3, StdMeshMaterialTextureUnit::FilteringType> FilteringShortcuts[] =
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{
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{ "none", { StdMeshMaterialTextureUnit::F_Point, StdMeshMaterialTextureUnit::F_Point, StdMeshMaterialTextureUnit::F_None } },
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{ "bilinear", { StdMeshMaterialTextureUnit::F_Linear, StdMeshMaterialTextureUnit::F_Linear, StdMeshMaterialTextureUnit::F_Point } },
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{ "trilinear", { StdMeshMaterialTextureUnit::F_Linear, StdMeshMaterialTextureUnit::F_Linear, StdMeshMaterialTextureUnit::F_Linear } },
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{ "anisotropic", { StdMeshMaterialTextureUnit::F_Anisotropic, StdMeshMaterialTextureUnit::F_Anisotropic, StdMeshMaterialTextureUnit::F_Linear } },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::BlendOpType> BlendOpEnumerators[] =
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{
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{ "replace", StdMeshMaterialTextureUnit::BO_Replace },
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{ "add", StdMeshMaterialTextureUnit::BO_Add },
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{ "modulate", StdMeshMaterialTextureUnit::BO_Modulate },
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{ "alpha_blend", StdMeshMaterialTextureUnit::BO_AlphaBlend },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::BlendOpExType> BlendOpExEnumerators[] =
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{
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{ "source1", StdMeshMaterialTextureUnit::BOX_Source1 },
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{ "source2", StdMeshMaterialTextureUnit::BOX_Source2 },
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{ "modulate", StdMeshMaterialTextureUnit::BOX_Modulate },
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{ "modulate_x2", StdMeshMaterialTextureUnit::BOX_ModulateX2 },
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{ "modulate_x4", StdMeshMaterialTextureUnit::BOX_ModulateX4 },
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{ "add", StdMeshMaterialTextureUnit::BOX_Add },
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{ "add_signed", StdMeshMaterialTextureUnit::BOX_AddSigned },
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{ "add_smooth", StdMeshMaterialTextureUnit::BOX_AddSmooth },
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{ "subtract", StdMeshMaterialTextureUnit::BOX_Subtract },
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{ "blend_diffuse_alpha", StdMeshMaterialTextureUnit::BOX_BlendDiffuseAlpha },
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{ "blend_texture_alpha", StdMeshMaterialTextureUnit::BOX_BlendTextureAlpha },
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{ "blend_current_alpha", StdMeshMaterialTextureUnit::BOX_BlendCurrentAlpha },
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{ "blend_manual", StdMeshMaterialTextureUnit::BOX_BlendManual },
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{ "dotproduct", StdMeshMaterialTextureUnit::BOX_Dotproduct },
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{ "blend_diffuse_colour", StdMeshMaterialTextureUnit::BOX_BlendDiffuseColor },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::BlendOpSourceType> BlendOpSourceEnumerators[] =
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{
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{ "src_current", StdMeshMaterialTextureUnit::BOS_Current },
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{ "src_texture", StdMeshMaterialTextureUnit::BOS_Texture },
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{ "src_diffuse", StdMeshMaterialTextureUnit::BOS_Diffuse },
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{ "src_specular", StdMeshMaterialTextureUnit::BOS_Specular },
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{ "src_player_colour", StdMeshMaterialTextureUnit::BOS_PlayerColor },
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{ "src_manual", StdMeshMaterialTextureUnit::BOS_Manual },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::Transformation::XFormType> XFormTypeEnumerators[] =
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{
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{ "scroll_x", StdMeshMaterialTextureUnit::Transformation::XF_SCROLL_X },
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{ "scroll_y", StdMeshMaterialTextureUnit::Transformation::XF_SCROLL_Y },
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{ "rotate", StdMeshMaterialTextureUnit::Transformation::XF_ROTATE },
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{ "scale_x", StdMeshMaterialTextureUnit::Transformation::XF_SCALE_X },
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{ "scale_y", StdMeshMaterialTextureUnit::Transformation::XF_SCALE_Y },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialTextureUnit::Transformation::WaveType> WaveTypeEnumerators[] =
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{
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{ "sine", StdMeshMaterialTextureUnit::Transformation::W_SINE },
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{ "triangle", StdMeshMaterialTextureUnit::Transformation::W_TRIANGLE },
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{ "square", StdMeshMaterialTextureUnit::Transformation::W_SQUARE },
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{ "sawtooth", StdMeshMaterialTextureUnit::Transformation::W_SAWTOOTH },
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{ "inverse_sawtooth", StdMeshMaterialTextureUnit::Transformation::W_INVERSE_SAWTOOTH },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialPass::CullHardwareType> CullHardwareEnumerators[] =
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{
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{ "clockwise", StdMeshMaterialPass::CH_Clockwise },
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{ "anticlockwise", StdMeshMaterialPass::CH_CounterClockwise },
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{ "none", StdMeshMaterialPass::CH_None },
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{ NULL }
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};
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const Enumerator<StdMeshMaterialPass::SceneBlendType> SceneBlendEnumerators[] =
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{
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{ "one", StdMeshMaterialPass::SB_One },
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{ "zero", StdMeshMaterialPass::SB_Zero },
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{ "dest_colour", StdMeshMaterialPass::SB_DestColor },
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{ "src_colour", StdMeshMaterialPass::SB_SrcColor },
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{ "one_minus_dest_colour", StdMeshMaterialPass::SB_OneMinusDestColor },
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{ "one_minus_src_colour", StdMeshMaterialPass::SB_OneMinusSrcColor },
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{ "dest_alpha", StdMeshMaterialPass::SB_DestAlpha },
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{ "src_alpha", StdMeshMaterialPass::SB_SrcAlpha },
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{ "one_minus_dest_alpha", StdMeshMaterialPass::SB_OneMinusDestAlpha },
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{ "one_minus_src_alpha", StdMeshMaterialPass::SB_OneMinusSrcAlpha },
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{ NULL }
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};
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const EnumeratorShortcut<2, StdMeshMaterialPass::SceneBlendType> SceneBlendShortcuts[] =
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{
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{ "add", { StdMeshMaterialPass::SB_One, StdMeshMaterialPass::SB_One } },
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{ "modulate", { StdMeshMaterialPass::SB_DestColor, StdMeshMaterialPass::SB_Zero } },
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{ "colour_blend", { StdMeshMaterialPass::SB_SrcColor, StdMeshMaterialPass::SB_OneMinusSrcColor } },
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{ "alpha_blend", { StdMeshMaterialPass::SB_SrcAlpha, StdMeshMaterialPass::SB_OneMinusSrcAlpha } },
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{ NULL }
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};
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}
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StdMeshMaterialError::StdMeshMaterialError(const StdStrBuf& message, const char* file, unsigned int line)
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{
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Buf.Format("%s:%u: %s", file, line, message.getData());
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}
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enum Token
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{
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TOKEN_IDTF,
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TOKEN_BRACE_OPEN,
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TOKEN_BRACE_CLOSE,
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TOKEN_COLON,
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TOKEN_EOF
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};
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class StdMeshMaterialParserCtx
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{
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public:
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StdMeshMaterialParserCtx(const char* mat_script, const char* filename, StdMeshMaterialTextureLoader& tex_loader);
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void SkipWhitespace();
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Token Peek(StdStrBuf& name);
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Token Advance(StdStrBuf& name);
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Token AdvanceNonEOF(StdStrBuf& name);
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Token AdvanceRequired(StdStrBuf& name, Token expect);
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Token AdvanceRequired(StdStrBuf& name, Token expect1, Token expect2);
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int AdvanceInt();
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bool AdvanceIntOptional(int& value);
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float AdvanceFloat();
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bool AdvanceFloatOptional(float& value);
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void AdvanceColor(bool with_alpha, float Color[4]);
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bool AdvanceBoolean();
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template<typename EnumType> EnumType AdvanceEnum(const Enumerator<EnumType>* enumerators);
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template<int Num, typename EnumType> void AdvanceEnums(const Enumerator<EnumType>* enumerators, EnumType enums[Num]);
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template<int Num, typename EnumType> void AdvanceEnums(const Enumerator<EnumType>* enumerators, const EnumeratorShortcut<Num, EnumType>* shortcuts, EnumType enums[Num]);
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void Error(const StdStrBuf& message);
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void ErrorUnexpectedIdentifier(const StdStrBuf& identifier);
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// Current parsing data
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unsigned int Line;
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const char* Script;
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StdCopyStrBuf FileName;
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StdMeshMaterialTextureLoader& TextureLoader;
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};
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class StdMeshMaterialSubLoader
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{
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public:
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StdMeshMaterialSubLoader();
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template<typename SubT> void Load(StdMeshMaterialParserCtx& ctx, std::vector<SubT>& vec);
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private:
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unsigned int CurIndex;
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};
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StdMeshMaterialParserCtx::StdMeshMaterialParserCtx(const char* mat_script, const char* filename, StdMeshMaterialTextureLoader& tex_loader):
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Line(1), Script(mat_script), FileName(filename), TextureLoader(tex_loader)
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{
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}
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void StdMeshMaterialParserCtx::SkipWhitespace()
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{
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while (isspace(*Script))
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{
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if (*Script == '\n') ++Line;
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++Script;
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}
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if (*Script == '/')
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{
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if (*(Script+1) == '/')
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{
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Script += 2;
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while (*Script != '\n' && *Script != '\0')
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++Script;
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SkipWhitespace();
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}
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else if (*Script == '*')
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{
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for (Script += 2; *Script != '\0'; ++Script)
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if (*Script == '*' && *(Script+1) == '/')
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break;
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if (*Script == '*')
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{
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Script += 2;
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SkipWhitespace();
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}
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}
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}
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}
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Token StdMeshMaterialParserCtx::Peek(StdStrBuf& name)
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{
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SkipWhitespace();
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const char* before = Script;
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Token tok = Advance(name);
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Script = before;
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return tok;
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}
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Token StdMeshMaterialParserCtx::Advance(StdStrBuf& name)
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{
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SkipWhitespace();
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switch (*Script)
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{
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case '\0':
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name.Clear();
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return TOKEN_EOF;
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case '{':
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++Script;
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name = "{";
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return TOKEN_BRACE_OPEN;
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case '}':
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++Script;
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name = "}";
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return TOKEN_BRACE_CLOSE;
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case ':':
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++Script;
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name = ":";
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return TOKEN_COLON;
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default:
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const char* begin = Script;
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// Advance to next whitespace
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do { ++Script; }
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while (!isspace(*Script) && *Script != '{' && *Script != '}' && *Script != ':');
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name.Copy(begin, Script - begin);
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return TOKEN_IDTF;
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}
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}
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Token StdMeshMaterialParserCtx::AdvanceNonEOF(StdStrBuf& name)
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{
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Token token = Advance(name);
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if (token == TOKEN_EOF) Error(StdCopyStrBuf("Unexpected end of file"));
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return token;
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}
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Token StdMeshMaterialParserCtx::AdvanceRequired(StdStrBuf& name, Token expect)
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{
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Token token = AdvanceNonEOF(name);
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// TODO: Explain what was actually expected
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if (token != expect) Error(StdCopyStrBuf("'") + name + "' unexpected");
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return token;
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}
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Token StdMeshMaterialParserCtx::AdvanceRequired(StdStrBuf& name, Token expect1, Token expect2)
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{
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Token token = AdvanceNonEOF(name);
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// TODO: Explain what was actually expected
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if (token != expect1 && token != expect2)
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Error(StdStrBuf("'") + name + "' unexpected");
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return token;
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}
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int StdMeshMaterialParserCtx::AdvanceInt()
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{
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StdStrBuf buf;
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AdvanceRequired(buf, TOKEN_IDTF);
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int i;
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#ifdef WITH_GLIB
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char* end;
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i = g_ascii_strtoll(buf.getData(), &end, 10);
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if (*end != '\0')
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#else
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if (!(std::istringstream(buf.getData()) >> i))
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#endif
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Error(StdStrBuf("Integer value expected"));
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return i;
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}
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bool StdMeshMaterialParserCtx::AdvanceIntOptional(int& value)
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{
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StdStrBuf buf;
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Token tok = Peek(buf);
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if (tok == TOKEN_IDTF && isdigit(buf[0]))
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{
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value = AdvanceInt();
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return true;
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}
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return false;
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}
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float StdMeshMaterialParserCtx::AdvanceFloat()
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{
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StdStrBuf buf;
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AdvanceRequired(buf, TOKEN_IDTF);
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float f;
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#ifdef WITH_GLIB
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char* end;
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f = g_ascii_strtod(buf.getData(), &end);
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if (*end != '\0')
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#else
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if (!(std::istringstream(buf.getData()) >> f))
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#endif
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Error(StdStrBuf("Floating point value expected"));
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return f;
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}
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bool StdMeshMaterialParserCtx::AdvanceFloatOptional(float& value)
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{
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StdStrBuf buf;
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Token tok = Peek(buf);
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if (tok == TOKEN_IDTF && isdigit(buf[0]))
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{
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value = AdvanceFloat();
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return true;
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}
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return false;
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}
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void StdMeshMaterialParserCtx::AdvanceColor(bool with_alpha, float Color[4])
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{
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Color[0] = AdvanceFloat();
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Color[1] = AdvanceFloat();
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Color[2] = AdvanceFloat();
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if (with_alpha) AdvanceFloatOptional(Color[3]);
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}
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bool StdMeshMaterialParserCtx::AdvanceBoolean()
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{
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StdCopyStrBuf buf;
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AdvanceRequired(buf, TOKEN_IDTF);
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if (buf == "on") return true;
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if (buf == "off") return false;
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Error(StdCopyStrBuf("Expected either 'on' or 'off', but not '") + buf + "'");
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return false; // Never reached
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}
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template<typename EnumType>
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EnumType StdMeshMaterialParserCtx::AdvanceEnum(const Enumerator<EnumType>* enumerators)
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{
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StdCopyStrBuf buf;
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AdvanceRequired(buf, TOKEN_IDTF);
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for (const Enumerator<EnumType>* cur = enumerators; cur->Name; ++cur)
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if (buf == cur->Name)
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return cur->Value;
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ErrorUnexpectedIdentifier(buf);
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return EnumType(); // avoid compiler warning
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}
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template<int Num, typename EnumType>
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void StdMeshMaterialParserCtx::AdvanceEnums(const Enumerator<EnumType>* enumerators, EnumType enums[Num])
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{
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for (int i = 0; i < Num; ++i)
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enums[i] = AdvanceEnum(enumerators);
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}
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template<int Num, typename EnumType>
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void StdMeshMaterialParserCtx::AdvanceEnums(const Enumerator<EnumType>* enumerators, const EnumeratorShortcut<Num, EnumType>* shortcuts, EnumType enums[Num])
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{
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StdCopyStrBuf buf;
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AdvanceRequired(buf, TOKEN_IDTF);
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const Enumerator<EnumType>* cenum;
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const EnumeratorShortcut<Num, EnumType>* cshort;
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for (cenum = enumerators; cenum->Name; ++cenum)
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if (buf == cenum->Name)
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break;
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for (cshort = shortcuts; cshort->Name; ++cshort)
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if (buf == cshort->Name)
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break;
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if (!cenum->Name && !cshort->Name)
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{
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ErrorUnexpectedIdentifier(buf);
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}
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else if (!cenum->Name && cshort->Name)
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{
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for (int i = 0; i < Num; ++i)
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enums[i] = cshort->Values[i];
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}
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else if (cenum->Name && (!cshort->Name || Num == 1))
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{
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enums[0] = cenum->Value;
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for (int i = 1; i < Num; ++i)
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enums[i] = AdvanceEnum(enumerators);
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}
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else
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{
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// Both enumerator and shortcut are possible, determine by look-ahead
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const Enumerator<EnumType>* cenum2 = NULL;
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Token tok = Peek(buf);
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if (tok == TOKEN_IDTF)
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{
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for (cenum2 = enumerators; cenum2->Name; ++cenum2)
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if (buf == cenum2->Name)
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break;
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}
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if (cenum2 && cenum2->Name)
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{
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// The next item is an enumerator, so load as enumerators
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enums[0] = cenum->Value;
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for (int i = 1; i < Num; ++i)
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enums[i] = AdvanceEnum(enumerators);
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}
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else
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{
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// The next item is something else, so load the shortcut
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for (int i = 0; i < Num; ++i)
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enums[i] = cshort->Values[i];
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}
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}
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}
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void StdMeshMaterialParserCtx::Error(const StdStrBuf& message)
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{
|
|
throw StdMeshMaterialError(message, FileName.getData(), Line);
|
|
}
|
|
|
|
void StdMeshMaterialParserCtx::ErrorUnexpectedIdentifier(const StdStrBuf& identifier)
|
|
{
|
|
Error(StdCopyStrBuf("Unexpected identifier: '") + identifier + "'");
|
|
}
|
|
|
|
|
|
StdMeshMaterialSubLoader::StdMeshMaterialSubLoader()
|
|
: CurIndex(0)
|
|
{
|
|
}
|
|
|
|
template<typename SubT>
|
|
void StdMeshMaterialSubLoader::Load(StdMeshMaterialParserCtx& ctx, std::vector<SubT>& vec)
|
|
{
|
|
std::vector<unsigned int> indices;
|
|
|
|
StdCopyStrBuf token_name;
|
|
Token tok = ctx.AdvanceRequired(token_name, TOKEN_IDTF, TOKEN_BRACE_OPEN);
|
|
if(tok == TOKEN_BRACE_OPEN)
|
|
{
|
|
// Unnamed section, name by running index
|
|
indices.push_back(CurIndex);
|
|
assert(CurIndex <= vec.size());
|
|
if(CurIndex == vec.size())
|
|
{
|
|
vec.push_back(SubT());
|
|
vec.back().Name.Format("%u", CurIndex);
|
|
}
|
|
|
|
++CurIndex;
|
|
}
|
|
else
|
|
{
|
|
unsigned int size_before = indices.size();
|
|
for(unsigned int i = 0; i < vec.size(); ++i)
|
|
if(SWildcardMatchEx(vec[i].Name.getData(), token_name.getData()))
|
|
indices.push_back(i);
|
|
|
|
// Only add new SubSection if no wildcard was given
|
|
if(indices.size() == size_before)
|
|
{
|
|
if(std::strchr(token_name.getData(), '*') == NULL && std::strchr(token_name.getData(), '?') == NULL)
|
|
{
|
|
indices.push_back(vec.size());
|
|
vec.push_back(SubT());
|
|
vec.back().Name = token_name;
|
|
}
|
|
}
|
|
|
|
ctx.AdvanceRequired(token_name, TOKEN_BRACE_OPEN);
|
|
}
|
|
|
|
if(indices.empty())
|
|
{
|
|
// Section is not used, parse anyway to advance script position
|
|
// This can happen if there is inheritance by a non-matching wildcard
|
|
SubT().Load(ctx);
|
|
}
|
|
else
|
|
{
|
|
// Parse section multiple times in case there is more than one match.
|
|
// Not particularly elegant but working.
|
|
for(unsigned int i = 0; i < indices.size()-1; ++i)
|
|
{
|
|
unsigned int old_line = ctx.Line;
|
|
const char* old_pos = ctx.Script;
|
|
vec[indices[i]].Load(ctx);
|
|
ctx.Line = old_line;
|
|
ctx.Script = old_pos;
|
|
}
|
|
|
|
vec[indices.back()].Load(ctx);
|
|
}
|
|
}
|
|
|
|
double StdMeshMaterialTextureUnit::Transformation::GetWaveXForm(double t) const
|
|
{
|
|
assert(TransformType == T_WAVE_XFORM);
|
|
const double val = fmod(WaveXForm.Frequency * t + WaveXForm.Phase, 1.0);
|
|
switch (WaveXForm.Wave)
|
|
{
|
|
case W_SINE: return WaveXForm.Base + WaveXForm.Amplitude*0.5*(1.0 + sin(val * 2.0 * M_PI));
|
|
case W_TRIANGLE: if (val < 0.5) return WaveXForm.Base + WaveXForm.Amplitude*2.0*val; else return WaveXForm.Base + WaveXForm.Amplitude*2.0*(1.0 - val);
|
|
case W_SQUARE: if (val < 0.5) return WaveXForm.Base; else return WaveXForm.Base + WaveXForm.Amplitude;
|
|
case W_SAWTOOTH: return WaveXForm.Base + WaveXForm.Amplitude*val;
|
|
case W_INVERSE_SAWTOOTH: return WaveXForm.Base + WaveXForm.Amplitude*(1.0-val);
|
|
default: assert(false); return 0.0;
|
|
}
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::Tex::Tex(C4Surface* Surface):
|
|
RefCount(1), Surf(Surface), Texture(*Surface->ppTex[0])
|
|
{
|
|
assert(Surface->ppTex != NULL);
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::Tex::~Tex()
|
|
{
|
|
assert(RefCount == 0);
|
|
delete Surf;
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::TexPtr::TexPtr(C4Surface* Surface)
|
|
: pTex(new Tex(Surface))
|
|
{
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::TexPtr::TexPtr(const TexPtr& other)
|
|
: pTex(other.pTex)
|
|
{
|
|
++pTex->RefCount;
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::TexPtr::~TexPtr()
|
|
{
|
|
if(!--pTex->RefCount)
|
|
delete pTex;
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::TexPtr& StdMeshMaterialTextureUnit::TexPtr::operator=(const TexPtr& other)
|
|
{
|
|
if(&other == this) return *this;
|
|
|
|
if(!--pTex->RefCount)
|
|
delete pTex;
|
|
|
|
pTex = other.pTex;
|
|
++pTex->RefCount;
|
|
|
|
return *this;
|
|
}
|
|
|
|
StdMeshMaterialTextureUnit::StdMeshMaterialTextureUnit():
|
|
Duration(0.0f), TexAddressMode(AM_Wrap), ColorOpEx(BOX_Modulate), ColorOpManualFactor(0.0f),
|
|
AlphaOpEx(BOX_Modulate), AlphaOpManualFactor(0.0f)
|
|
{
|
|
TexBorderColor[0] = TexBorderColor[1] = TexBorderColor[2] = 0.0f; TexBorderColor[3] = 1.0f;
|
|
Filtering[0] = Filtering[1] = F_Linear; Filtering[2] = F_Point;
|
|
ColorOpSources[0] = BOS_Current; ColorOpSources[1] = BOS_Texture;
|
|
AlphaOpSources[0] = BOS_Current; AlphaOpSources[1] = BOS_Texture;
|
|
ColorOpManualColor1[0] = ColorOpManualColor1[1] = ColorOpManualColor1[2] = AlphaOpManualAlpha1 = 0.0f;
|
|
ColorOpManualColor2[0] = ColorOpManualColor2[1] = ColorOpManualColor2[2] = AlphaOpManualAlpha2 = 0.0f;
|
|
}
|
|
|
|
void StdMeshMaterialTextureUnit::LoadTexture(StdMeshMaterialParserCtx& ctx, const char* texname)
|
|
{
|
|
std::auto_ptr<C4Surface> surface(ctx.TextureLoader.LoadTexture(texname)); // be exception-safe
|
|
if (!surface.get())
|
|
ctx.Error(StdCopyStrBuf("Could not load texture '") + texname + "'");
|
|
|
|
if (surface->Wdt != surface->Hgt)
|
|
ctx.Error(StdCopyStrBuf("Texture '") + texname + "' is not quadratic");
|
|
if (surface->iTexX > 1 || surface->iTexY > 1)
|
|
ctx.Error(StdCopyStrBuf("Texture '") + texname + "' is too large");
|
|
|
|
Textures.push_back(TexPtr(surface.release()));
|
|
}
|
|
|
|
void StdMeshMaterialTextureUnit::Load(StdMeshMaterialParserCtx& ctx)
|
|
{
|
|
Token token;
|
|
StdCopyStrBuf token_name;
|
|
while ((token = ctx.AdvanceNonEOF(token_name)) == TOKEN_IDTF)
|
|
{
|
|
if (token_name == "texture")
|
|
{
|
|
Textures.clear();
|
|
ctx.AdvanceRequired(token_name, TOKEN_IDTF);
|
|
LoadTexture(ctx, token_name.getData());
|
|
}
|
|
else if (token_name == "anim_texture")
|
|
{
|
|
Textures.clear();
|
|
|
|
StdCopyStrBuf base_name;
|
|
ctx.AdvanceRequired(base_name, TOKEN_IDTF);
|
|
|
|
int num_frames;
|
|
if (ctx.AdvanceIntOptional(num_frames))
|
|
{
|
|
const char* data = base_name.getData();
|
|
const char* sep = strrchr(data, '.');
|
|
for (int i = 0; i < num_frames; ++i)
|
|
{
|
|
StdCopyStrBuf buf;
|
|
if (sep)
|
|
buf.Format("%.*s_%d.%s", (int)(sep - data), data, i, sep+1);
|
|
else
|
|
buf.Format("%s_%d", data, i);
|
|
|
|
LoadTexture(ctx, buf.getData());
|
|
}
|
|
|
|
Duration = ctx.AdvanceFloat();
|
|
}
|
|
else
|
|
{
|
|
LoadTexture(ctx, base_name.getData());
|
|
while (!ctx.AdvanceFloatOptional(Duration))
|
|
{
|
|
ctx.AdvanceRequired(token_name, TOKEN_IDTF);
|
|
LoadTexture(ctx, token_name.getData());
|
|
}
|
|
}
|
|
}
|
|
else if (token_name == "tex_address_mode")
|
|
{
|
|
TexAddressMode = ctx.AdvanceEnum(TexAddressModeEnumerators);
|
|
}
|
|
else if (token_name == "tex_border_colour")
|
|
{
|
|
ctx.AdvanceColor(true, TexBorderColor);
|
|
}
|
|
else if (token_name == "filtering")
|
|
{
|
|
ctx.AdvanceEnums<3, StdMeshMaterialTextureUnit::FilteringType>(FilteringEnumerators, FilteringShortcuts, Filtering);
|
|
if (Filtering[0] == F_None || Filtering[1] == F_None)
|
|
ctx.Error(StdCopyStrBuf("'none' is only valid for the mip filter"));
|
|
if (Filtering[2] == F_Anisotropic)
|
|
ctx.Error(StdCopyStrBuf("'anisotropic' is not a valid mip filter"));
|
|
}
|
|
else if (token_name == "colour_op")
|
|
{
|
|
BlendOpType ColorOp = ctx.AdvanceEnum(BlendOpEnumerators);
|
|
switch (ColorOp)
|
|
{
|
|
case BO_Replace:
|
|
ColorOpEx = BOX_Source1;
|
|
break;
|
|
case BO_Add:
|
|
ColorOpEx = BOX_Add;
|
|
break;
|
|
case BO_Modulate:
|
|
ColorOpEx = BOX_Modulate;
|
|
break;
|
|
case BO_AlphaBlend:
|
|
ColorOpEx = BOX_BlendTextureAlpha;
|
|
break;
|
|
}
|
|
|
|
ColorOpSources[0] = BOS_Texture;
|
|
ColorOpSources[1] = BOS_Current;
|
|
}
|
|
else if (token_name == "colour_op_ex")
|
|
{
|
|
ColorOpEx = ctx.AdvanceEnum(BlendOpExEnumerators);
|
|
ColorOpSources[0] = ctx.AdvanceEnum(BlendOpSourceEnumerators);
|
|
ColorOpSources[1] = ctx.AdvanceEnum(BlendOpSourceEnumerators);
|
|
if (ColorOpEx == BOX_BlendManual) ColorOpManualFactor = ctx.AdvanceFloat();
|
|
if (ColorOpSources[0] == BOS_Manual) ctx.AdvanceColor(false, ColorOpManualColor1);
|
|
if (ColorOpSources[1] == BOS_Manual) ctx.AdvanceColor(false, ColorOpManualColor2);
|
|
}
|
|
else if (token_name == "alpha_op_ex")
|
|
{
|
|
AlphaOpEx = ctx.AdvanceEnum(BlendOpExEnumerators);
|
|
AlphaOpSources[0] = ctx.AdvanceEnum(BlendOpSourceEnumerators);
|
|
AlphaOpSources[1] = ctx.AdvanceEnum(BlendOpSourceEnumerators);
|
|
if (AlphaOpEx == BOX_BlendManual) AlphaOpManualFactor = ctx.AdvanceFloat();
|
|
if (AlphaOpSources[0] == BOS_Manual) AlphaOpManualAlpha1 = ctx.AdvanceFloat();
|
|
if (AlphaOpSources[1] == BOS_Manual) AlphaOpManualAlpha2 = ctx.AdvanceFloat();
|
|
}
|
|
else if (token_name == "scroll")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_SCROLL;
|
|
trans.Scroll.X = ctx.AdvanceFloat();
|
|
trans.Scroll.Y = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "scroll_anim")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_SCROLL_ANIM;
|
|
trans.ScrollAnim.XSpeed = ctx.AdvanceFloat();
|
|
trans.ScrollAnim.YSpeed = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "rotate")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_ROTATE;
|
|
trans.Rotate.Angle = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "rotate_anim")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_ROTATE_ANIM;
|
|
trans.RotateAnim.RevsPerSec = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "scale")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_SCALE;
|
|
trans.Scale.X = ctx.AdvanceFloat();
|
|
trans.Scale.Y = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "transform")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_TRANSFORM;
|
|
for (int i = 0; i < 16; ++i)
|
|
trans.Transform.M[i] = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else if (token_name == "wave_xform")
|
|
{
|
|
Transformation trans;
|
|
trans.TransformType = Transformation::T_WAVE_XFORM;
|
|
trans.WaveXForm.XForm = ctx.AdvanceEnum(XFormTypeEnumerators);
|
|
trans.WaveXForm.Wave = ctx.AdvanceEnum(WaveTypeEnumerators);
|
|
trans.WaveXForm.Base = ctx.AdvanceFloat();
|
|
trans.WaveXForm.Frequency = ctx.AdvanceFloat();
|
|
trans.WaveXForm.Phase = ctx.AdvanceFloat();
|
|
trans.WaveXForm.Amplitude = ctx.AdvanceFloat();
|
|
Transformations.push_back(trans);
|
|
}
|
|
else
|
|
ctx.ErrorUnexpectedIdentifier(token_name);
|
|
}
|
|
|
|
if (token != TOKEN_BRACE_CLOSE)
|
|
ctx.Error(StdCopyStrBuf("'") + token_name.getData() + "' unexpected");
|
|
}
|
|
|
|
StdMeshMaterialPass::StdMeshMaterialPass():
|
|
DepthWrite(true), CullHardware(CH_Clockwise)
|
|
{
|
|
Ambient[0] = Ambient[1] = Ambient[2] = 1.0f; Ambient[3] = 1.0f;
|
|
Diffuse[0] = Diffuse[1] = Diffuse[2] = 1.0f; Diffuse[3] = 1.0f;
|
|
Specular[0] = Specular[1] = Specular[2] = 0.0f; Specular[3] = 0.0f;
|
|
Emissive[0] = Emissive[1] = Emissive[2] = 0.0f; Emissive[3] = 0.0f;
|
|
Shininess = 0.0f;
|
|
SceneBlendFactors[0] = SB_One; SceneBlendFactors[1] = SB_Zero;
|
|
}
|
|
|
|
void StdMeshMaterialPass::Load(StdMeshMaterialParserCtx& ctx)
|
|
{
|
|
Token token;
|
|
StdCopyStrBuf token_name;
|
|
StdMeshMaterialSubLoader texture_unit_loader;
|
|
while ((token = ctx.AdvanceNonEOF(token_name)) == TOKEN_IDTF)
|
|
{
|
|
if (token_name == "texture_unit")
|
|
{
|
|
texture_unit_loader.Load(ctx, TextureUnits);
|
|
}
|
|
else if (token_name == "ambient")
|
|
{
|
|
ctx.AdvanceColor(true, Ambient);
|
|
}
|
|
else if (token_name == "diffuse")
|
|
{
|
|
ctx.AdvanceColor(true, Diffuse);
|
|
}
|
|
else if (token_name == "specular")
|
|
{
|
|
Specular[0] = ctx.AdvanceFloat();
|
|
Specular[1] = ctx.AdvanceFloat();
|
|
Specular[2] = ctx.AdvanceFloat();
|
|
|
|
// The fourth argument is optional, not the fifth:
|
|
float specular3 = ctx.AdvanceFloat();
|
|
|
|
float shininess;
|
|
if (ctx.AdvanceFloatOptional(shininess))
|
|
{
|
|
Specular[3] = specular3;
|
|
Shininess = shininess;
|
|
}
|
|
else
|
|
{
|
|
Shininess = specular3;
|
|
}
|
|
}
|
|
else if (token_name == "emissive")
|
|
{
|
|
ctx.AdvanceColor(true, Emissive);
|
|
}
|
|
else if (token_name == "depth_write")
|
|
{
|
|
DepthWrite = ctx.AdvanceBoolean();
|
|
}
|
|
else if (token_name == "cull_hardware")
|
|
{
|
|
CullHardware = ctx.AdvanceEnum(CullHardwareEnumerators);
|
|
}
|
|
else if (token_name == "scene_blend")
|
|
{
|
|
ctx.AdvanceEnums<2, StdMeshMaterialPass::SceneBlendType>(SceneBlendEnumerators, SceneBlendShortcuts, SceneBlendFactors);
|
|
}
|
|
else
|
|
ctx.ErrorUnexpectedIdentifier(token_name);
|
|
}
|
|
|
|
if (token != TOKEN_BRACE_CLOSE)
|
|
ctx.Error(StdCopyStrBuf("'") + token_name.getData() + "' unexpected");
|
|
}
|
|
|
|
StdMeshMaterialTechnique::StdMeshMaterialTechnique():
|
|
Available(false)
|
|
{
|
|
}
|
|
|
|
void StdMeshMaterialTechnique::Load(StdMeshMaterialParserCtx& ctx)
|
|
{
|
|
Token token;
|
|
StdCopyStrBuf token_name;
|
|
StdMeshMaterialSubLoader pass_loader;
|
|
while ((token = ctx.AdvanceNonEOF(token_name)) == TOKEN_IDTF)
|
|
{
|
|
if (token_name == "pass")
|
|
{
|
|
pass_loader.Load(ctx, Passes);
|
|
}
|
|
else
|
|
ctx.ErrorUnexpectedIdentifier(token_name);
|
|
}
|
|
|
|
if (token != TOKEN_BRACE_CLOSE)
|
|
ctx.Error(StdCopyStrBuf("'") + token_name.getData() + "' unexpected");
|
|
}
|
|
|
|
bool StdMeshMaterialTechnique::IsOpaque() const
|
|
{
|
|
// Technique is opaque if one of the passes is opaque (subsequent
|
|
// non-opaque passes will just depend on the opaque value drawn in
|
|
// the previous pass; total result will not depend on original
|
|
// frame buffer value).
|
|
for(unsigned int i = 0; i < Passes.size(); ++i)
|
|
if(Passes[i].IsOpaque())
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
StdMeshMaterial::StdMeshMaterial():
|
|
Line(0), ReceiveShadows(true), BestTechniqueIndex(-1)
|
|
{
|
|
}
|
|
|
|
void StdMeshMaterial::Load(StdMeshMaterialParserCtx& ctx)
|
|
{
|
|
Token token;
|
|
StdCopyStrBuf token_name;
|
|
StdMeshMaterialSubLoader technique_loader;
|
|
while ((token = ctx.AdvanceNonEOF(token_name)) == TOKEN_IDTF)
|
|
{
|
|
if (token_name == "technique")
|
|
{
|
|
technique_loader.Load(ctx, Techniques);
|
|
}
|
|
else if (token_name == "receive_shadows")
|
|
{
|
|
ReceiveShadows = ctx.AdvanceBoolean();
|
|
}
|
|
else
|
|
ctx.ErrorUnexpectedIdentifier(token_name);
|
|
}
|
|
|
|
if (token != TOKEN_BRACE_CLOSE)
|
|
ctx.Error(StdCopyStrBuf("'") + token_name.getData() + "' unexpected");
|
|
}
|
|
|
|
void StdMeshMatManager::Clear()
|
|
{
|
|
Materials.clear();
|
|
}
|
|
|
|
void StdMeshMatManager::Parse(const char* mat_script, const char* filename, StdMeshMaterialTextureLoader& tex_loader)
|
|
{
|
|
StdMeshMaterialParserCtx ctx(mat_script, filename, tex_loader);
|
|
|
|
Token token;
|
|
StdCopyStrBuf token_name;
|
|
while ((token = ctx.Advance(token_name)) == TOKEN_IDTF)
|
|
{
|
|
if (token_name == "material")
|
|
{
|
|
// Read name
|
|
StdCopyStrBuf material_name;
|
|
ctx.AdvanceRequired(material_name, TOKEN_IDTF);
|
|
|
|
// Check for uniqueness
|
|
std::map<StdCopyStrBuf, StdMeshMaterial>::iterator iter = Materials.find(material_name);
|
|
if (iter != Materials.end())
|
|
ctx.Error(FormatString("Material with name '%s' is already defined in %s:%u", material_name.getData(), iter->second.FileName.getData(), iter->second.Line));
|
|
|
|
// Check if there is a parent given
|
|
Token next = ctx.AdvanceRequired(token_name, TOKEN_BRACE_OPEN, TOKEN_COLON);
|
|
// Read parent name, if any
|
|
StdMeshMaterial* parent = NULL;
|
|
if (next == TOKEN_COLON)
|
|
{
|
|
// Note that if there is a parent, then it needs to be loaded
|
|
// already. This currently makes only sense when its defined above
|
|
// in the same material script file or in a parent definition.
|
|
// We could later support material scripts in the System.c4g.
|
|
StdCopyStrBuf parent_name;
|
|
ctx.AdvanceRequired(parent_name, TOKEN_IDTF);
|
|
ctx.AdvanceRequired(token_name, TOKEN_BRACE_OPEN);
|
|
|
|
iter = Materials.find(parent_name);
|
|
if (iter == Materials.end())
|
|
ctx.Error(StdCopyStrBuf("Parent material '") + parent_name + "' does not exist (or is not yet loaded)");
|
|
parent = &iter->second;
|
|
}
|
|
|
|
// Copy properties from parent if one is given, otherwise
|
|
// default-construct the material.
|
|
StdMeshMaterial mat = parent ? StdMeshMaterial(*parent) : StdMeshMaterial();
|
|
// Set/Overwrite source and name
|
|
mat.Name = material_name;
|
|
mat.FileName = ctx.FileName;
|
|
mat.Line = ctx.Line;
|
|
|
|
mat.Load(ctx);
|
|
|
|
// To Gfxspecific setup of the material; choose working techniques
|
|
if (lpDDraw->PrepareMaterial(mat) && mat.BestTechniqueIndex != -1)
|
|
Materials[material_name] = mat;
|
|
else
|
|
ctx.Error(StdCopyStrBuf("No working technique for material '") + material_name + "'");
|
|
}
|
|
else
|
|
ctx.ErrorUnexpectedIdentifier(token_name);
|
|
}
|
|
|
|
if (token != TOKEN_EOF)
|
|
ctx.Error(StdCopyStrBuf("'") + token_name.getData() + "' unexpected");
|
|
}
|
|
|
|
const StdMeshMaterial* StdMeshMatManager::GetMaterial(const char* material_name) const
|
|
{
|
|
std::map<StdCopyStrBuf, StdMeshMaterial>::const_iterator iter = Materials.find(StdCopyStrBuf(material_name));
|
|
if (iter == Materials.end()) return NULL;
|
|
return &iter->second;
|
|
}
|
|
|
|
StdMeshMatManager MeshMaterialManager;
|