[2269] | 1 | ///////////////////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | // ## ######
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| 4 | // ###### ###
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| 5 | // ## ############### Shark 3D Engine (www.shark3d.com)
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| 6 | // ########## # # #
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| 7 | // ######## Copyright (c) 1996-2006 Spinor GmbH.
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| 8 | // ######### # # # All rights reserved.
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| 9 | // ## ##########
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| 10 | // ##
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| 11 | //
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| 12 | ///////////////////////////////////////////////////////////////////////////////
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| 13 |
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| 14 | //@cpp
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| 15 |
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| 16 | #include "gtp_shader_focusedprojmat.h"
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| 17 | #include "../../util/eng_util_gfxutil.h"
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| 18 | #include "../../util/eng_util_shaderutil.h"
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| 19 | #include "../../util/eng_util_mathutil.h"
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| 20 | #include "../../../drv/interf/drv_vartypes.h"
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| 21 | #include "../../../drv/util/drv_util_varutil.h"
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| 22 | #include "../../../util/snk/util_snk_extractutil.h"
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| 23 | #include "../../../util/math/util_geo_types.h"
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| 24 |
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| 25 | ///////////////////////////////////////////////////////////////////////////////
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| 26 | /*@{
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| 27 |
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| 28 | @declare{shadercomp.class}{eng_shader_special.worldmat}{}
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| 29 |
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| 30 | Provides a matrix which maps from view coordinates
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| 31 | in world coordinates.
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| 32 | @p
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| 33 |
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| 34 | Important warning!
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| 35 | Usually, if you need this matrix something is wrong!
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| 36 | See @ref{prog_man.shader.coord_systems}.
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| 37 | @p
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| 38 |
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| 39 | @}*/
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| 40 | ///////////////////////////////////////////////////////////////////////////////
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| 41 |
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| 42 | S3D_UTIL_RTTI_TABLE_DEFINE_BEGIN(gtp_Shader_FocusedProjMat)
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| 43 | S3D_UTIL_RTTI_TABLE_DEFINE_BASE(s3d_CEngShader)
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| 44 | S3D_UTIL_RTTI_TABLE_DEFINE_BASE(s3d_CCompUtilUniqueBase)
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| 45 | S3D_UTIL_RTTI_TABLE_DEFINE_BASE(s3d_CCompSetup)
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| 46 | S3D_UTIL_RTTI_TABLE_DEFINE_END
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| 47 |
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| 48 | gtp_Shader_FocusedProjMat::gtp_Shader_FocusedProjMat()
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| 49 | {
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| 50 | }
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| 51 |
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| 52 | void gtp_Shader_FocusedProjMat::SetupInit(
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| 53 | s3d_CUtilMsgHandler *MsgHandler, s3d_CUtilStr_cr Info,
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| 54 | s3d_CCompSuppl *FetchSuppl, s3d_CUtilSnkChunk *Param)
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| 55 | {
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| 56 | m_Data = S3D_SYS_NEW gtp_Shader_FocusedProjMatData;
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| 57 |
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| 58 | s3d_CUtilSnkExtract SnkExtract;
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| 59 | SnkExtract.Assign(MsgHandler, Param);
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| 60 | m_Data->m_Info = SnkExtract.GetInfo();
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| 61 |
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| 62 | /*@{ @declare{shadercomp.param}{eng_shader_special.worldmat.env}{$ [str]}
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| 63 | See @ident{comp}{eng_shader_std.group.env}.
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| 64 | @}*/
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| 65 | s3d_CUtilStr EnvIdent, EnvInfo;
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| 66 | SnkExtract.ExtractStr(EnvInfo, EnvIdent, "env", true);
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| 67 |
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| 68 | m_ShaderEnv = s3d_CompSupplObjT<s3d_CEngShaderEnv>(
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| 69 | MsgHandler, EnvInfo, FetchSuppl,
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| 70 | EnvIdent, S3D_GENERAL_INTEROP_INTERF);
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| 71 | if(!m_ShaderEnv)
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| 72 | return;
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| 73 |
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| 74 | /*@{ @declare{shadercomp.param}{eng_shader_special.worldmat.methods}
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| 75 | {$ [str] .. [str]}
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| 76 | See @ref{prog_man.shader.methods}.
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| 77 | @}*/
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| 78 | s3d_CUtilSnkExtractUtil::ExtractAtomSortedArray(
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| 79 | m_Data->m_MethodArray, m_ShaderEnv->m_AtomMgr,
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| 80 | SnkExtract, "methods", true);
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| 81 |
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| 82 | /*@{ @declare{shadercomp.param}
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| 83 | {eng_shader_special.worldmat.worldmat_var}{$ [str]}
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| 84 | The variable stores the resulting matrix.
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| 85 | The variable is of type mat4x4f.
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| 86 | @}*/
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| 87 | s3d_CUtilSnkExtractUtil::ExtractAtom(
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| 88 | m_Data->m_FocusedProjMatVarInfo, m_Data->m_FocusedProjMatVarAtom,
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| 89 | m_ShaderEnv->m_AtomMgr, SnkExtract, "destmat_var", true);
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| 90 |
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| 91 | /*@{ @declare{shader.param}{eng_shader_special.envmap.mesh_var}{$ [str]}
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| 92 | @}*/
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| 93 | s3d_CUtilSnkExtractUtil::ExtractAtom(
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| 94 | m_Data->m_MeshVarInfo, m_Data->m_MeshVarAtom,
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| 95 | m_ShaderEnv->m_AtomMgr, SnkExtract, "mesh_var", true);
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| 96 |
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| 97 | s3d_CUtilSnkExtractUtil::ExtractAtom(
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| 98 | m_Data->m_CenterPointVarInfo, m_Data->m_CenterPointVarAtom,
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| 99 | m_ShaderEnv->m_AtomMgr, SnkExtract, "centerpoint_var", true);
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| 100 |
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| 101 | SnkExtract.CheckForUnknown();
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| 102 | }
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| 103 |
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| 104 | void gtp_Shader_FocusedProjMat::SetupDone()
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| 105 | {
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| 106 | }
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| 107 |
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| 108 | s3d_CUtilStr gtp_Shader_FocusedProjMat::GetInfo()
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| 109 | {
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| 110 | return m_Data->m_Info;
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| 111 | }
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| 112 |
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| 113 | void gtp_Shader_FocusedProjMat::RegisterNotif(s3d_CUtilNotifRecip *Recip)
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| 114 | {
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| 115 | }
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| 116 |
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| 117 | s3d_CEngShaderGfxPtr gtp_Shader_FocusedProjMat::FindShaderGfx(
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| 118 | s3d_CUtilNotifGather *NotifGather, s3d_CEngGfxCtx *GfxCtx)
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| 119 | {
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| 120 | if(!m_ShaderEnv)
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| 121 | return 0;
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| 122 |
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| 123 | gtp_Shader_FocusedProjMatGfxPtr ShaderGfx;
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| 124 |
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| 125 | gtp_Shader_FocusedProjMatGfxTree::CNode *Pos
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| 126 | = s3d_UtilTreeSortedGetStart(m_ShaderGfxTree, GfxCtx);
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| 127 | if(s3d_UtilTreeIsEqualAt(Pos, GfxCtx))
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| 128 | ShaderGfx = Pos->m_Data.m_Val;
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| 129 | else
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| 130 | {
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| 131 | ShaderGfx = S3D_SYS_NEW gtp_Shader_FocusedProjMatGfx(
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| 132 | m_ShaderEnv, GfxCtx, m_Data);
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| 133 | gtp_Shader_FocusedProjMatGfxTree::CNode *Node
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| 134 | = ShaderGfx->GetNode();
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| 135 | m_ShaderGfxTree.InsertBefore(Pos, Node);
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| 136 | }
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| 137 | return ShaderGfx.Get();
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| 138 | }
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| 139 |
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| 140 | ///////////////////////////////////////////////////////////////////////////////
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| 141 |
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| 142 | gtp_Shader_FocusedProjMatGfx::gtp_Shader_FocusedProjMatGfx(
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| 143 | s3d_CEngShaderEnv *ShaderEnv, s3d_CEngGfxCtx *GfxCtx,
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| 144 | gtp_Shader_FocusedProjMatData *Data)
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| 145 | {
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| 146 | m_Node.m_Data.m_Key = GfxCtx;
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| 147 | m_Node.m_Data.m_Val = this;
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| 148 | m_ShaderEnv = ShaderEnv;
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| 149 | m_Data = Data;
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| 150 | }
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| 151 |
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| 152 | gtp_Shader_FocusedProjMatGfxTree::CNode *
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| 153 | gtp_Shader_FocusedProjMatGfx::GetNode()
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| 154 | {
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| 155 | return &m_Node;
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| 156 | }
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| 157 |
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| 158 | void gtp_Shader_FocusedProjMatGfx::RegisterNotif(
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| 159 | s3d_CUtilNotifRecip *Recip)
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| 160 | {
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| 161 | }
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| 162 |
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| 163 | void gtp_Shader_FocusedProjMatGfx::ExtractGfx()
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| 164 | {
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| 165 | m_Node.Extract();
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| 166 | }
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| 167 |
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| 168 | bool gtp_Shader_FocusedProjMatGfx::IsValid()
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| 169 | {
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| 170 | return true;
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| 171 | }
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| 172 |
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| 173 | void gtp_Shader_FocusedProjMatGfx::LinkCollect(
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| 174 | s3d_CUtilAtomSet &VarAtomSet)
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| 175 | {
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| 176 | s3d_CDrvUtilVarUtil::LinkCollect(
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| 177 | VarAtomSet, m_Data->m_FocusedProjMatVarAtom);
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| 178 | s3d_CDrvUtilVarUtil::LinkCollect(
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| 179 | VarAtomSet, m_Data->m_CenterPointVarAtom);
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| 180 | s3d_CDrvUtilVarUtil::LinkCollect(
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| 181 | VarAtomSet, m_Data->m_MeshVarAtom);
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| 182 | }
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| 183 |
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| 184 | void gtp_Shader_FocusedProjMatGfx::LinkAppoint(
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| 185 | s3d_CDrvVarDecl *VarDecl)
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| 186 | {
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| 187 | s3d_CDrvUtilVarUtil::LinkAppoint(
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| 188 | m_FocusedProjMatVarSlot.m_Val,
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| 189 | VarDecl, m_Data->m_FocusedProjMatVarAtom);
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| 190 | s3d_CDrvUtilVarUtil::LinkAppoint(
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| 191 | m_CenterPointVarSlot.m_Val,
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| 192 | VarDecl, m_Data->m_CenterPointVarAtom);
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| 193 | s3d_CDrvUtilVarUtil::LinkAppoint(
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| 194 | m_MeshVarSlot.m_Val,
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| 195 | VarDecl, m_Data->m_MeshVarAtom);
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| 196 | }
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| 197 |
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| 198 | s3d_CEngShaderInstPtr gtp_Shader_FocusedProjMatGfx::CreateShaderInst(
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| 199 | s3d_CEngShaderHead *Head)
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| 200 | {
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| 201 | return S3D_SYS_NEW gtp_Shader_FocusedProjMatInst(
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| 202 | m_ShaderEnv, this);
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| 203 | }
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| 204 |
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| 205 | ///////////////////////////////////////////////////////////////////////////////
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| 206 |
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| 207 | gtp_Shader_FocusedProjMatInst::gtp_Shader_FocusedProjMatInst(
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| 208 | s3d_CEngShaderEnv *ShaderEnv,
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| 209 | gtp_Shader_FocusedProjMatGfx *ShaderGfx)
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| 210 | {
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| 211 | m_ShaderEnv = ShaderEnv;
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| 212 | m_ShaderGfx = ShaderGfx;
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| 213 | }
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| 214 |
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| 215 | void gtp_Shader_FocusedProjMatInst::RegisterNotif(
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| 216 | s3d_CUtilNotifRecip *Recip)
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| 217 | {
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| 218 | }
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| 219 |
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| 220 | void gtp_Shader_FocusedProjMatInst::SetShaderCtx(
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| 221 | s3d_CEngShaderCtx *ShaderCtx)
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| 222 | {
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| 223 | }
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| 224 |
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| 225 | void gtp_Shader_FocusedProjMatInst::SetGfxState(s3d_CEngGfxState *GfxState)
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| 226 | {
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| 227 | }
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| 228 |
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| 229 | void gtp_Shader_FocusedProjMatInst::SetPos(s3d_CEngPos *Pos)
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| 230 | {
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| 231 | m_Pos = Pos;
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| 232 | }
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| 233 |
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| 234 | void gtp_Shader_FocusedProjMatInst::SetModel(s3d_CEngModel *Model)
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| 235 | {
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| 236 | }
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| 237 |
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| 238 | void gtp_Shader_FocusedProjMatInst::ArrangeCollect(
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| 239 | s3d_CUtilMemPool *MemPool,
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| 240 | s3d_CEngShaderScopeArray &ScopeArray)
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| 241 | {
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| 242 | }
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| 243 |
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| 244 | void gtp_Shader_FocusedProjMatInst::ArrangeInit(
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| 245 | s3d_CUtilMemPool *MemPool,
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| 246 | s3d_CEngShaderScopeArray_cr ScopeArray)
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| 247 | {
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| 248 | s3d_CSysIntps nScope = ScopeArray.GetCnt();
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| 249 | s3d_CSysIntps iScope;
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| 250 | for(iScope = 0; iScope < nScope; iScope++)
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| 251 | {
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| 252 | s3d_CEngShaderScope *Scope = ScopeArray.GetAt(iScope);
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| 253 | SetVars(MemPool, Scope);
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| 254 | }
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| 255 | }
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| 256 |
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| 257 | void gtp_Shader_FocusedProjMatInst::ArrangePerform(
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| 258 | s3d_CUtilMemPool *MemPool,
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| 259 | s3d_CEngShaderScopeArray_cr ScopeArray)
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| 260 | {
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| 261 | }
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| 262 |
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| 263 | void gtp_Shader_FocusedProjMatInst::ArrangeFeedback(
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| 264 | s3d_CUtilMemPool *MemPool,
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| 265 | s3d_CEngShaderScopeArray_cr ScopeArray)
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| 266 | {
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| 267 | }
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| 268 |
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| 269 | void gtp_Shader_FocusedProjMatInst::ArrangeGather(
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| 270 | s3d_CEngShaderExecArray &ExecArray)
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| 271 | {
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| 272 | gtp_Shader_FocusedProjMatData *Data = m_ShaderGfx->m_Data;
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| 273 |
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| 274 | s3d_CEngUtilShaderUtil::ArrangeGather(
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| 275 | ExecArray, Data->m_MethodArray, this);
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| 276 | }
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| 277 |
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| 278 | void gtp_Shader_FocusedProjMatInst::ShaderExecPerform(
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| 279 | s3d_CEngShaderScope *Scope,
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| 280 | s3d_CUtilAtom *Method,
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| 281 | s3d_CEngGfxTaskArray &TaskArray)
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| 282 | {
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| 283 | gtp_Shader_FocusedProjMatGfx *ShaderGfx = m_ShaderGfx;
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| 284 | gtp_Shader_FocusedProjMatData *Data = ShaderGfx->m_Data;
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| 285 |
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| 286 |
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| 287 |
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| 288 | SetVars(m_ShaderEnv->m_MemPool, Scope);
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| 289 | }
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| 290 |
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| 291 | void gtp_Shader_FocusedProjMatInst::SetVars(
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| 292 | s3d_CUtilMemPool *MemPool, s3d_CEngShaderScope *Scope)
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| 293 | {
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| 294 | gtp_Shader_FocusedProjMatGfx *ShaderGfx = m_ShaderGfx;
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| 295 | gtp_Shader_FocusedProjMatData *Data = ShaderGfx->m_Data;
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| 296 |
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| 297 |
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| 298 |
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| 299 |
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| 300 | s3d_CDrvVarSlot ProjMatVarSlot = ShaderGfx->m_FocusedProjMatVarSlot;
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| 301 | if(ProjMatVarSlot >= 0)
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| 302 | {
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| 303 | s3d_CEngGfxPortion *Portion = Scope->m_Portion;
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| 304 | if(Portion)
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| 305 | {
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| 306 | s3d_CEngGfxCam *Cam = &Portion->m_Cam;
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| 307 | s3d_CEngGfxVarMesh *MeshVar = s3d_EngGfxVarFetchWaryMesh(
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| 308 | m_ShaderEnv->m_MsgHandler, Scope->m_Info,
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| 309 | Scope->m_VarBlk, m_ShaderGfx->m_MeshVarSlot.m_Val);
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| 310 | if(!MeshVar)
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| 311 | return;
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| 312 |
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| 313 | s3d_CDrvVarVec4f *CenterPointVar
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| 314 | = s3d_DrvVarFetchWaryVec4f(
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| 315 | m_ShaderEnv->m_MsgHandler, Data->m_CenterPointVarInfo.GetChars(),
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| 316 | Scope->m_VarBlk, ShaderGfx->m_CenterPointVarSlot.m_Val);
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| 317 | if(!CenterPointVar)
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| 318 | return;
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| 319 |
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| 320 | s3d_CUtilTranslQuatf viewToWorld = Cam->m_Transf;
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| 321 | s3d_CUtilTranslQuatf modelToView = MeshVar->m_Val.m_ViewTransf;
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| 322 |
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| 323 | s3d_CUtilVec3f BoundCen = MeshVar->m_Val.m_MeshCompos.m_BoundCen;
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| 324 | s3d_CUtilVec3f BoundCenView = modelToView.ApplyToPoint(BoundCen);
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| 325 |
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| 326 | s3d_CUtilVec3f BoundExt = MeshVar->m_Val.m_MeshCompos.m_BoundExt;
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| 327 | s3d_CUtilVec3f CenterPositionView = s3d_CUtilVec3f(CenterPointVar->m_Val.m_x,
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| 328 | CenterPointVar->m_Val.m_y,
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| 329 | CenterPointVar->m_Val.m_z);
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| 330 |
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| 331 | s3d_CUtilVec3f DirView = (BoundCenView - CenterPositionView);
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| 332 | float d = DirView.GetLen();
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| 333 | float r = BoundExt.GetLen();
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| 334 | DirView = DirView.GetNormalized();
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| 335 |
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| 336 | if(d < 1.5 * r)
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| 337 | {
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| 338 | d = 1.5 * r;
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| 339 | CenterPositionView = BoundCenView - DirView * d;
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| 340 | }
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| 341 | float NearPlane = d - r;
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| 342 | float FarPlane = d + r;
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| 343 |
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| 344 | float cotanFov = 1.0 / s3d_SysTan(s3d_SysAsin(r / d));
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| 345 | float Q = FarPlane / (FarPlane - NearPlane);
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| 346 | s3d_CUtilMat4x4f lightProjMat(cotanFov, 0, 0, 0,
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| 347 | 0, cotanFov, 0, 0,
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| 348 | 0, 0, Q, -Q*NearPlane,
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| 349 | 0, 0, 1, 0);
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| 350 | //float tanFov = s3d_SysTan(s3d_SysAsin(r / d));
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| 351 | //s3d_CUtilMat4x4f lightProjMat = s3d_CEngUtilMathUtil::CalcProjPersp( tanFov, tanFov, 0, 0, NearPlane, FarPlane);
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| 352 |
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| 353 | /*CenterPositionView = BoundCenView - DirView * r;
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| 354 | s3d_CUtilMat4x4f lightProjMat(1.0 / r, 0, 0, 0,
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| 355 | 0, 1.0 / r, 0, 0,
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| 356 | 0, 0, 0.5 / r, 0,
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| 357 | 0, 0, 0, 1);*/
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| 358 |
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| 359 | s3d_CUtilMat4x4f worldToViewMatIT = s3d_CUtilGeof::GetMapOfTransf3(viewToWorld);
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| 360 | worldToViewMatIT = worldToViewMatIT.GetTransp();
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| 361 |
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| 362 | s3d_CUtilVec4f upView4 = worldToViewMatIT * s3d_CUtilVec4f(0,0,-1,1);
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| 363 | s3d_CUtilVec3f upView(upView4.m_x, upView4.m_y, upView4.m_z);
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| 364 | upView = upView.GetNormalized();
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| 365 | s3d_CUtilVec3f rightView = upView^DirView;
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| 366 | rightView = rightView.GetNormalized();
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| 367 | upView = DirView^rightView;
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| 368 | upView = upView.GetNormalized();
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| 369 |
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| 370 | s3d_CUtilMat4x4f viewToLightViewMatRot(rightView.m_x, rightView.m_y, rightView.m_z, 0,
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| 371 | upView.m_x, upView.m_y, upView.m_z, 0,
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| 372 | DirView.m_x, DirView.m_y, DirView.m_z, 0,
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| 373 | 0, 0, 0, 1);
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| 374 | s3d_CUtilMat4x4f viewToLightViewMatTransl(1, 0, 0, -CenterPositionView.m_x,
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| 375 | 0, 1, 0, -CenterPositionView.m_y,
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| 376 | 0, 0, 1, -CenterPositionView.m_z,
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| 377 | 0, 0, 0, 1);
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| 378 |
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| 379 | s3d_CUtilMat4x4f viewToLightViewMat = viewToLightViewMatRot * viewToLightViewMatTransl;
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| 380 |
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| 381 | s3d_CUtilMat4x4f FinalMat = lightProjMat * viewToLightViewMat;
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| 382 |
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| 383 | s3d_CUtilVec4f temp = FinalMat * s3d_CUtilVec4f(1,0,0,1);
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| 384 |
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| 385 | s3d_CDrvVarMat4x4f *FinalMatVar = new(MemPool) s3d_CDrvVarMat4x4f;
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| 386 | FinalMatVar->m_Val = FinalMat;
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| 387 | s3d_DrvVarSet(Scope->m_VarBlk, ProjMatVarSlot, FinalMatVar);
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| 388 | }
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| 389 | }
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| 390 | }
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| 391 |
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| 392 | ///////////////////////////////////////////////////////////////////////////////
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| 393 |
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