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00015 #ifndef LWOSURFACEBLOCKOPACITY_H
00016 #define LWOSURFACEBLOCKOPACITY_H
00017
00018 #include "pandatoolbase.h"
00019
00020 #include "lwoChunk.h"
00021
00022
00023
00024
00025
00026
00027
00028 class LwoSurfaceBlockOpacity : public LwoChunk {
00029 public:
00030 enum Type {
00031 T_additive = 0,
00032 T_subtractive = 1,
00033 T_difference = 2,
00034 T_multiply = 3,
00035 T_divide = 4,
00036 T_alpha = 5,
00037 T_texture_displacement = 6
00038 };
00039
00040 Type _type;
00041 PN_stdfloat _opacity;
00042 int _envelope;
00043
00044 public:
00045 virtual bool read_iff(IffInputFile *in, size_t stop_at);
00046 virtual void write(ostream &out, int indent_level = 0) const;
00047
00048 public:
00049 virtual TypeHandle get_type() const {
00050 return get_class_type();
00051 }
00052 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00053 static TypeHandle get_class_type() {
00054 return _type_handle;
00055 }
00056 static void init_type() {
00057 LwoChunk::init_type();
00058 register_type(_type_handle, "LwoSurfaceBlockOpacity",
00059 LwoChunk::get_class_type());
00060 }
00061
00062 private:
00063 static TypeHandle _type_handle;
00064 };
00065
00066 #endif
00067
00068