1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 /* 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, u8 tiledef_version) const { writeU8(os, type); if (type == TAT_VERTICAL_FRAMES) { writeU16(os, vertical_frames.aspect_w); writeU16(os, vertical_frames.aspect_h); writeF32(os, vertical_frames.length); } else if (type == TAT_SHEET_2D) { writeU8(os, sheet_2d.frames_w); writeU8(os, sheet_2d.frames_h); writeF32(os, sheet_2d.frame_length); } } void TileAnimationParams::deSerialize(std::istream &is, u8 tiledef_version) { type = (TileAnimationType) readU8(is); if (type == TAT_VERTICAL_FRAMES) { vertical_frames.aspect_w = readU16(is); vertical_frames.aspect_h = readU16(is); vertical_frames.length = readF32(is); } else if (type == TAT_SHEET_2D) { sheet_2d.frames_w = readU8(is); sheet_2d.frames_h = readU8(is); sheet_2d.frame_length = readF32(is); } } void TileAnimationParams::determineParams(v2u32 texture_size, int *frame_count, int *frame_length_ms, v2u32 *frame_size) const { if (type == TAT_VERTICAL_FRAMES) { int frame_height = (float)texture_size.X / (float)vertical_frames.aspect_w * (float)vertical_frames.aspect_h; int _frame_count = texture_size.Y / frame_height; if (frame_count) *frame_count = _frame_count; if (frame_length_ms) *frame_length_ms = 1000.0 * vertical_frames.length / _frame_count; if (frame_size) *frame_size = v2u32(texture_size.X, frame_height); } else if (type == TAT_SHEET_2D) { if (frame_count) *frame_count = sheet_2d.frames_w * sheet_2d.frames_h; if (frame_length_ms) *frame_length_ms = 1000 * sheet_2d.frame_length; if (frame_size) *frame_size = v2u32(texture_size.X / sheet_2d.frames_w, texture_size.Y / sheet_2d.frames_h); } // caller should check for TAT_NONE } void TileAnimationParams::getTextureModifer(std::ostream &os, v2u32 texture_size, int frame) const { if (type == TAT_NONE) return; if (type == TAT_VERTICAL_FRAMES) { int frame_count; determineParams(texture_size, &frame_count, NULL, NULL); os << "^[verticalframe:" << frame_count << ":" << frame; } else if (type == TAT_SHEET_2D) { int q, r; q = frame / sheet_2d.frames_w; r = frame % sheet_2d.frames_w; os << "^[sheet:" << sheet_2d.frames_w << "x" << sheet_2d.frames_h << ":" << r << "," << q; } } v2f TileAnimationParams::getTextureCoords(v2u32 texture_size, int frame) const { v2u32 ret(0, 0); if (type == TAT_VERTICAL_FRAMES) { int frame_height = (float)texture_size.X / (float)vertical_frames.aspect_w * (float)vertical_frames.aspect_h; ret = v2u32(0, frame_height * frame); } else if (type == TAT_SHEET_2D) { v2u32 frame_size; determineParams(texture_size, NULL, NULL, &frame_size); int q, r; q = frame / sheet_2d.frames_w; r = frame % sheet_2d.frames_w; ret = v2u32(r * frame_size.X, q * frame_size.Y); } return v2f(ret.X / (float) texture_size.X, ret.Y / (float) texture_size.Y); }