From 84913299f45a28d3bd6146b3decbf14764449030 Mon Sep 17 00:00:00 2001 From: Tycho Date: Thu, 27 Feb 2014 11:33:35 -0800 Subject: Added some Metadate rotaters using templated Mixin --- src/Blocks/MetaRotater.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/Blocks/MetaRotater.h (limited to 'src/Blocks/MetaRotater.h') diff --git a/src/Blocks/MetaRotater.h b/src/Blocks/MetaRotater.h new file mode 100644 index 000000000..f1656f1bd --- /dev/null +++ b/src/Blocks/MetaRotater.h @@ -0,0 +1,82 @@ + +#pragma once + +template +class cMetaRotater : public Base +{ +public: + + cMetaRotater(BLOCKTYPE a_BlockType) : + Base(a_BlockType) + {} + + virtual ~cMetaRotater() {} + + virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override; + virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override; + virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override; + virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override; +}; + + +template +NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) +{ +NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); +switch (a_Meta & BitFilter) +{ +case South: return West | OtherMeta; +case West: return North | OtherMeta; +case North: return East | OtherMeta; +case East: return South | OtherMeta; +} +ASSERT(!"Invalid Meta value"); +return a_Meta; +} + + +template +NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) +{ +NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); +switch (a_Meta & BitFilter) +{ +case South: return East | OtherMeta; +case East: return North | OtherMeta; +case North: return West | OtherMeta; +case West: return South | OtherMeta; +} +ASSERT(!"Invalid Meta value"); +return a_Meta; +} + + + +template +NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) +{ +NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); +switch (a_Meta & BitFilter) +{ +case South: return North | OtherMeta; +case North: return South | OtherMeta; +} +// Not Facing North or South; No change. +return a_Meta; +} + + + + +template +NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) +{ +NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); +switch (a_Meta & BitFilter) +{ +case West: return East | OtherMeta; +case East: return West | OtherMeta; +} +// Not Facing East or West; No change. +return a_Meta; +} -- cgit v1.2.3 From 0acfbdd91283c96fd0f371f51029a72d6c9cd3de Mon Sep 17 00:00:00 2001 From: Tycho Date: Sat, 1 Mar 2014 09:47:27 -0800 Subject: Final implementation of MetaRotater --- src/Blocks/MetaRotater.h | 96 +++++++++++++++++++++++++----------------------- 1 file changed, 51 insertions(+), 45 deletions(-) (limited to 'src/Blocks/MetaRotater.h') diff --git a/src/Blocks/MetaRotater.h b/src/Blocks/MetaRotater.h index f1656f1bd..b83ed177a 100644 --- a/src/Blocks/MetaRotater.h +++ b/src/Blocks/MetaRotater.h @@ -1,7 +1,7 @@ #pragma once -template +template class cMetaRotater : public Base { public: @@ -19,64 +19,70 @@ public: }; -template -NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) { -NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); -switch (a_Meta & BitFilter) -{ -case South: return West | OtherMeta; -case West: return North | OtherMeta; -case North: return East | OtherMeta; -case East: return South | OtherMeta; -} -ASSERT(!"Invalid Meta value"); -return a_Meta; + NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); + switch (a_Meta & BitFilter) + { + case South: return West | OtherMeta; + case West: return North | OtherMeta; + case North: return East | OtherMeta; + case East: return South | OtherMeta; + } + if(AssertIfNotMatched) + { + ASSERT(!"Invalid Meta value"); + return a_Meta; + } } -template -NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) { -NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); -switch (a_Meta & BitFilter) -{ -case South: return East | OtherMeta; -case East: return North | OtherMeta; -case North: return West | OtherMeta; -case West: return South | OtherMeta; -} -ASSERT(!"Invalid Meta value"); -return a_Meta; + NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); + switch (a_Meta & BitFilter) + { + case South: return East | OtherMeta; + case East: return North | OtherMeta; + case North: return West | OtherMeta; + case West: return South | OtherMeta; + } + if(AssertIfNotMatched) + { + ASSERT(!"Invalid Meta value"); + return a_Meta; + } } -template -NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) { -NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); -switch (a_Meta & BitFilter) -{ -case South: return North | OtherMeta; -case North: return South | OtherMeta; -} -// Not Facing North or South; No change. -return a_Meta; + NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); + switch (a_Meta & BitFilter) + { + case South: return North | OtherMeta; + case North: return South | OtherMeta; + } + // Not Facing North or South; No change. + return a_Meta; } -template -NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) { -NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); -switch (a_Meta & BitFilter) -{ -case West: return East | OtherMeta; -case East: return West | OtherMeta; -} -// Not Facing East or West; No change. -return a_Meta; + NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); + switch (a_Meta & BitFilter) + { + case West: return East | OtherMeta; + case East: return West | OtherMeta; + } + // Not Facing East or West; No change. + return a_Meta; } -- cgit v1.2.3 From 6536233f4d0bb9411895ce78d1c57e37a7aac044 Mon Sep 17 00:00:00 2001 From: Tycho Date: Sun, 2 Mar 2014 12:29:20 -0800 Subject: Reformated MetaRotater --- src/Blocks/MetaRotater.h | 49 +++++++++++++++++++++++++++++------------------- 1 file changed, 30 insertions(+), 19 deletions(-) (limited to 'src/Blocks/MetaRotater.h') diff --git a/src/Blocks/MetaRotater.h b/src/Blocks/MetaRotater.h index b83ed177a..5493c87e2 100644 --- a/src/Blocks/MetaRotater.h +++ b/src/Blocks/MetaRotater.h @@ -1,7 +1,18 @@ +// MetaRotater.h + +// Provides a mixin for rotations and reflections + #pragma once -template +/* +Provides a mixin for rotations and reflections following the standard pattern of apply mask then use case. + +Usage: +Inherit from this class providing your base class as Base, the BitMask for the direction bits in bitmask and the masked value for the directions in North, East, South, West. There is also an aptional parameter AssertIfNotMatched. Set this if it is invalid for a block to exist in any other state. +*/ + +template class cMetaRotater : public Base { public: @@ -19,18 +30,18 @@ public: }; -template -NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) { - NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); - switch (a_Meta & BitFilter) + NIBBLETYPE OtherMeta = a_Meta & (~BitMask); + switch (a_Meta & BitMask) { case South: return West | OtherMeta; case West: return North | OtherMeta; case North: return East | OtherMeta; case East: return South | OtherMeta; } - if(AssertIfNotMatched) + if (AssertIfNotMatched) { ASSERT(!"Invalid Meta value"); return a_Meta; @@ -38,18 +49,18 @@ NIBBLETYPE cMetaRotater -NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) { - NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); - switch (a_Meta & BitFilter) + NIBBLETYPE OtherMeta = a_Meta & (~BitMask); + switch (a_Meta & BitMask) { case South: return East | OtherMeta; case East: return North | OtherMeta; case North: return West | OtherMeta; case West: return South | OtherMeta; } - if(AssertIfNotMatched) + if (AssertIfNotMatched) { ASSERT(!"Invalid Meta value"); return a_Meta; @@ -58,11 +69,11 @@ NIBBLETYPE cMetaRotater -NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) { - NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); - switch (a_Meta & BitFilter) + NIBBLETYPE OtherMeta = a_Meta & (~BitMask); + switch (a_Meta & BitMask) { case South: return North | OtherMeta; case North: return South | OtherMeta; @@ -74,11 +85,11 @@ NIBBLETYPE cMetaRotater -NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) +template +NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) { - NIBBLETYPE OtherMeta = a_Meta & (~BitFilter); - switch (a_Meta & BitFilter) + NIBBLETYPE OtherMeta = a_Meta & (~BitMask); + switch (a_Meta & BitMask) { case West: return East | OtherMeta; case East: return West | OtherMeta; -- cgit v1.2.3 From 16ebbca35b8fc91061f0141625c292a8096e3b6d Mon Sep 17 00:00:00 2001 From: worktycho Date: Sat, 8 Mar 2014 14:23:00 +0000 Subject: Moved returns --- src/Blocks/MetaRotater.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/Blocks/MetaRotater.h') diff --git a/src/Blocks/MetaRotater.h b/src/Blocks/MetaRotater.h index 5493c87e2..d3664b6f1 100644 --- a/src/Blocks/MetaRotater.h +++ b/src/Blocks/MetaRotater.h @@ -1,4 +1,3 @@ - // MetaRotater.h // Provides a mixin for rotations and reflections @@ -44,11 +43,12 @@ NIBBLETYPE cMetaRotater NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) { @@ -63,8 +63,8 @@ NIBBLETYPE cMetaRotater Date: Sun, 9 Mar 2014 17:58:01 +0100 Subject: Silenced useless MSVC warnings in cMetaRotater. --- src/Blocks/MetaRotater.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/Blocks/MetaRotater.h') diff --git a/src/Blocks/MetaRotater.h b/src/Blocks/MetaRotater.h index d3664b6f1..dde88e6db 100644 --- a/src/Blocks/MetaRotater.h +++ b/src/Blocks/MetaRotater.h @@ -4,6 +4,15 @@ #pragma once +// MSVC generates warnings for the templated AssertIfNotMatched parameter conditions, so disable it: +#ifdef _MSC_VER + #pragma warning(disable: 4127) // Conditional expression is constant +#endif + + + + + /* Provides a mixin for rotations and reflections following the standard pattern of apply mask then use case. @@ -29,6 +38,9 @@ public: }; + + + template NIBBLETYPE cMetaRotater::MetaRotateCW(NIBBLETYPE a_Meta) { @@ -49,6 +61,8 @@ NIBBLETYPE cMetaRotater NIBBLETYPE cMetaRotater::MetaRotateCCW(NIBBLETYPE a_Meta) { @@ -69,6 +83,8 @@ NIBBLETYPE cMetaRotater NIBBLETYPE cMetaRotater::MetaMirrorXY(NIBBLETYPE a_Meta) { @@ -85,6 +101,7 @@ NIBBLETYPE cMetaRotater NIBBLETYPE cMetaRotater::MetaMirrorYZ(NIBBLETYPE a_Meta) { @@ -97,3 +114,7 @@ NIBBLETYPE cMetaRotater