diff options
Diffstat (limited to 'src/tileanimation.cpp')
-rw-r--r-- | src/tileanimation.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/tileanimation.cpp b/src/tileanimation.cpp new file mode 100644 index 000000000..891478c9f --- /dev/null +++ b/src/tileanimation.cpp @@ -0,0 +1,87 @@ +/* +Minetest +Copyright (C) 2016 sfan5 <sfan5@live.de> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include "tileanimation.h" +#include "util/serialize.h" + +void TileAnimationParams::serialize(std::ostream &os, u16 protocol_version) const +{ + if(protocol_version < 29 /* TODO bump */) { + if (type == TAT_VERTICAL_FRAMES) { + writeU8(os, type); + writeU16(os, vertical_frames.aspect_w); + writeU16(os, vertical_frames.aspect_h); + writeF1000(os, vertical_frames.length); + } else { + writeU8(os, TAT_NONE); + writeU16(os, 1); + writeU16(os, 1); + writeF1000(os, 1.0); + } + return; + } + + writeU8(os, type); + if (type == TAT_VERTICAL_FRAMES) { + writeU16(os, vertical_frames.aspect_w); + writeU16(os, vertical_frames.aspect_h); + writeF1000(os, vertical_frames.length); + } +} + +void TileAnimationParams::deSerialize(std::istream &is, u16 protocol_version) +{ + type = (TileAnimationType) readU8(is); + if(protocol_version < 29 /* TODO bump */) { + vertical_frames.aspect_w = readU16(is); + vertical_frames.aspect_h = readU16(is); + vertical_frames.length = readF1000(is); + return; + } + + if(type == TAT_VERTICAL_FRAMES) { + vertical_frames.aspect_w = readU16(is); + vertical_frames.aspect_h = readU16(is); + vertical_frames.length = readF1000(is); + } +} + +void TileAnimationParams::determineParams(v2u32 texture_size, int *frame_count, int *frame_length_ms) const +{ + if (type == TAT_NONE) { + *frame_count = 1; + *frame_length_ms = 1000; + return; + } + int frame_height = (float)texture_size.X / + (float)vertical_frames.aspect_w * + (float)vertical_frames.aspect_h; + if (frame_count) + *frame_count = texture_size.Y / frame_height; + if (frame_length_ms) + *frame_length_ms = 1000.0 * vertical_frames.length / (texture_size.Y / frame_height); +} + +void TileAnimationParams::getTextureModifer(std::ostream &os, v2u32 texture_size, int frame) const +{ + if (type == TAT_NONE) + return; + int frame_count; + determineParams(texture_size, &frame_count, NULL); + os << "^[verticalframe:" << frame_count << ":" << frame; +} |