"""
""" Experimental Lol Engine Vim plugin
"""
""" More info here:
""" http://lolengine.net/wiki/dev/setup/vim
"""


"""
""" Add syntax highlighting for new C++ types
"""

" some custom base types
au Syntax cpp
   \ syn keyword cType
   \ half ldouble lldouble real uint

" GLSL types and the Lol Engine extensions
au Syntax cpp
   \ syn keyword cType
   \ f16vec2 f16cmplx f16vec3 f16vec4 f16quat f16mat2 f16mat3 f16mat4
   \ vec2 cmplx vec3 vec4 quat mat2 mat3 mat4
   \ f64vec2 f64cmplx f64vec3 f64vec4 f64quat f64mat2 f64mat3 f64mat4
   \ f128vec2 f128cmplx f128vec3 f128vec4 f128quat f128mat2 f128mat3 f128mat4
   \ rvec2 rcmplx rvec3 rvec4 rquat rmat2 rmat3 rmat4
   \
   \ i8vec2 i8cmplx i8vec3 i8vec4 i8quat i8mat2 i8mat3 i8mat4
   \ u8vec2 u8cmplx u8vec3 u8vec4 u8quat u8mat2 u8mat3 u8mat4
   \ i16vec2 i16cmplx i16vec3 i16vec4 i16quat i16mat2 i16mat3 i16mat4
   \ u16vec2 u16cmplx u16vec3 u16vec4 u16quat u16mat2 u16mat3 u16mat4
   \ ivec2 icmplx ivec3 ivec4 iquat imat2 imat3 imat4
   \ uvec2 ucmplx uvec3 uvec4 uquat umat2 umat3 umat4
   \ i64vec2 i64cmplx i64vec3 i64vec4 i64quat i64mat2 i64mat3 i64mat4
   \ u64vec2 u64cmplx u64vec3 u64vec4 u64quat u64mat2 u64mat3 u64mat4

" HLSL types
au Syntax cpp
   \ syn keyword cType
   \ int2 int3 int4 int2x2 int3x3 int4x4
   \ float2 float3 float4 float2x2 float3x3 float4x4

" More GLSL-like types from the Lol Engine
au Syntax cpp
   \ syn keyword cType
   \ box2 dbox2 ibox2 ubox2
   \ box3 dbox3 ibox3 ubox3

" Ensure we know about nullptr
au Syntax cpp
   \ syn keyword cConstant
   \ nullptr

" New maths constants
au Syntax cpp
   \ syn match cConstant
   \ "\<\(F\|D\|LD\)_\(PI\|PI_[234]\|[12]_PI\|SQRT_[23]\|SQRT_1_2\)\>"

" Global keywords
au Syntax cpp
  \ syn keyword cConstant
  \ UNUSED ASSERT


"""
""" LolFx language handler
"""

" For now, pretend .lolfx is C++
au BufRead,BufNewFile *.lolfx set syntax=cpp

" New sampler types (GLSL)
au BufRead,BufNewFile *.lolfx syn match cType
   \ "\<sampler\(\([12]D\|Cube\)\(Array\|\)\(Shadow\|\)\)\>"
   \ "\<sampler\(3D\|2DRect\|Buffer\|2DMS\|2DMSArray\|2DRectShadow\)\>"

" Type constructs (LolFx)
au BufRead,BufNewFile *.lolfx syn keyword cppStructure
   \ technique pass precision

" Variable attributes (GLSL and some HLSL)
au BufRead,BufNewFile *.lolfx syn keyword cType
   \ in out uniform attribute varying

" Texture operators (GLSL and HLSL)
au BufRead,BufNewFile *.lolfx syn keyword cppOperator
   \ texture1D texture2D texture3D tex2D tex3D

" Handle #version constructs
au BufRead,BufNewFile *.lolfx syn region cPreProc
   \ start="^\s*\(%:\|#\)\s*version\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell

" LolFx shader region
au BufRead,BufNewFile *.lolfx syn region cSpecial
   \ start="^\s*\[[^\]]*\(glsl\|hlsl\)\]" end="$" contains=ALLBUT,@cPreProcGroup,@Spell