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