Pogolyn: pg_lts.h Source File

00001 /*
00002     Copyright (c) 2007-2009 Takashi Kitao
00003     All rights reserved.
00004 
00005     Redistribution and use in source and binary forms, with or without
00006     modification, are permitted provided that the following conditions
00007     are met:
00008 
00009     1. Redistributions of source code must retain the above copyright
00010     `  notice, this list of conditions and the following disclaimer.
00011 
00012     2. Redistributions in binary form must reproduce the above copyright
00013     `  notice, this list of conditions and the following disclaimer in the
00014     `  documentation and/or other materials provided with the distribution.
00015 
00016     3. The name of the author may not be used to endorse or promote products
00017     `  derived from this software without specific prior written permission.
00018 
00019     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00020     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00021     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00022     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00023     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00024     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00025     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00026     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00027     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00028     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 */
00030 
00031 
00036 class PG_API pgLts
00037 {
00038     friend class pgDrawMgr;
00039 
00040 public:
00041     pgDefineException(ExceptionInvalidArgument);
00042     pgDefineException(ExceptionNotFound);
00043     pgDefineException(ExceptionSameIDExists);
00044 
00045     static const u32 MAX_PARA_LIGHT_NUM = 3;
00046     static const u32 MAX_NEAR_LIGHT_NUM = 3;
00047 
00048     pgLts* getPrevN() const;
00049     pgLts* getNextN() const;
00050 
00051     pgID getID() const;
00052 
00053     pgCol getAmbientColor() const;
00054     void setAmbientColor(pgCol col);
00055 
00056     bool isParaLightActive(u8 index) const;
00057     void setParaLightActive(u8 index, bool is_active);
00058 
00059     const pgVec& getParaLightDir(u8 index) const;
00060     void setParaLightDir(u8 index, const pgVec& dir);
00061 
00062     pgCol getParaLightColor(u8 index) const;
00063     void setParaLightColor(u8 index, pgCol col);
00064 
00065     u32 getPointLightNum() const;
00066     pgLit* getPointLight(pgID lit_id);
00067     pgLit* newPointLight(pgID lit_id);
00068     void deletePointLight(pgID lit_id);
00069     pgLit* getFirstPointLightN() const;
00070     pgLit* getLastPointLightN() const;
00071     void clearPointLight();
00072 
00073     void findNearLight(const pgVec& pos);
00074     u8 getNearLightNum() const;
00075     const pgVec& getNearLightDir(u8 index) const;
00076     pgCol getNearLightColor(u8 index) const;
00077 
00078 private:
00079     struct ParaLight
00080     {
00081         pgType<u8, bool> is_active;
00082         pgVec dir;
00083         pgCol col;
00084         u16 col_int;
00085     };
00086 
00087     struct NearLight
00088     {
00089         pgVec dir;
00090         pgCol col;
00091         u16 col_int;
00092     };
00093 
00094     pgLts(pgID lts_id);
00095     ~pgLts();
00096     void operator=(const pgLts&);
00097 
00098     pgLit* getPointLightN(pgID lit_id);
00099 
00100     void addLightToNearLight(const pgVec& dir, pgCol col, u16 col_int);
00101 
00102     pgID m_id;
00103     pgCol m_amb_col;
00104     ParaLight m_para_lit[MAX_PARA_LIGHT_NUM];
00105     u8 m_near_lit_num;
00106     u8 m_near_lit_index_tbl[MAX_NEAR_LIGHT_NUM];
00107     NearLight m_near_lit[MAX_NEAR_LIGHT_NUM];
00108     pgList<pgLit> m_lit_list;
00109 };