782 lines
17 KiB
C++
782 lines
17 KiB
C++
/*************************************************************************/
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/* test_math.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "test_math.h"
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#include "camera_matrix.h"
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#include "math_funcs.h"
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#include "matrix3.h"
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#include "os/file_access.h"
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#include "os/keyboard.h"
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#include "os/os.h"
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#include "print_string.h"
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#include "scene/main/node.h"
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#include "scene/resources/texture.h"
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#include "servers/visual/shader_language.h"
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#include "transform.h"
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#include "ustring.h"
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#include "variant.h"
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#include "vmap.h"
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#include "method_ptrcall.h"
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namespace TestMath {
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class GetClassAndNamespace {
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String code;
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int idx;
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int line;
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String error_str;
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bool error;
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Variant value;
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String class_name;
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enum Token {
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TK_BRACKET_OPEN,
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TK_BRACKET_CLOSE,
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TK_CURLY_BRACKET_OPEN,
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TK_CURLY_BRACKET_CLOSE,
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TK_PERIOD,
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TK_COLON,
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TK_COMMA,
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TK_SYMBOL,
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TK_IDENTIFIER,
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TK_STRING,
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TK_NUMBER,
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TK_EOF,
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TK_ERROR
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};
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Token get_token() {
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while (true) {
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switch (code[idx]) {
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case '\n': {
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line++;
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idx++;
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break;
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};
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case 0: {
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return TK_EOF;
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} break;
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case '{': {
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idx++;
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return TK_CURLY_BRACKET_OPEN;
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};
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case '}': {
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idx++;
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return TK_CURLY_BRACKET_CLOSE;
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};
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case '[': {
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idx++;
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return TK_BRACKET_OPEN;
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};
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case ']': {
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idx++;
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return TK_BRACKET_CLOSE;
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};
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case ':': {
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idx++;
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return TK_COLON;
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};
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case ',': {
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idx++;
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return TK_COMMA;
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};
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case '.': {
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idx++;
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return TK_PERIOD;
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};
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case '#': {
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//compiler directive
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while (code[idx] != '\n' && code[idx] != 0) {
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idx++;
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}
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continue;
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} break;
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case '/': {
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switch (code[idx + 1]) {
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case '*': { // block comment
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idx += 2;
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while (true) {
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if (code[idx] == 0) {
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error_str = "Unterminated comment";
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error = true;
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return TK_ERROR;
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} else if (code[idx] == '*' && code[idx + 1] == '/') {
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idx += 2;
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break;
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} else if (code[idx] == '\n') {
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line++;
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}
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idx++;
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}
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} break;
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case '/': { // line comment skip
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while (code[idx] != '\n' && code[idx] != 0) {
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idx++;
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}
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} break;
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default: {
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value = "/";
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idx++;
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return TK_SYMBOL;
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}
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}
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continue; // a comment
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} break;
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case '\'':
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case '"': {
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CharType begin_str = code[idx];
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idx++;
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String tk_string = String();
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while (true) {
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if (code[idx] == 0) {
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error_str = "Unterminated String";
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error = true;
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return TK_ERROR;
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} else if (code[idx] == begin_str) {
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idx++;
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break;
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} else if (code[idx] == '\\') {
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//escaped characters...
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idx++;
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CharType next = code[idx];
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if (next == 0) {
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error_str = "Unterminated String";
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error = true;
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return TK_ERROR;
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}
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CharType res = 0;
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switch (next) {
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case 'b': res = 8; break;
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case 't': res = 9; break;
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case 'n': res = 10; break;
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case 'f': res = 12; break;
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case 'r':
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res = 13;
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break;
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/* too much, not needed for now
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case 'u': {
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//hexnumbarh - oct is deprecated
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for(int j=0;j<4;j++) {
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CharType c = code[idx+j+1];
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if (c==0) {
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r_err_str="Unterminated String";
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return ERR_PARSE_ERROR;
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}
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if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) {
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r_err_str="Malformed hex constant in string";
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return ERR_PARSE_ERROR;
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}
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CharType v;
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if (c>='0' && c<='9') {
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v=c-'0';
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} else if (c>='a' && c<='f') {
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v=c-'a';
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v+=10;
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} else if (c>='A' && c<='F') {
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v=c-'A';
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v+=10;
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} else {
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ERR_PRINT("BUG");
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v=0;
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}
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res<<=4;
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res|=v;
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}
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idx+=4; //will add at the end anyway
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} break;*/
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case '\"': res = '\"'; break;
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case '\\':
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res = '\\';
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break;
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//case '/': res='/'; break;
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default: {
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res = next;
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//r_err_str="Invalid escape sequence";
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//return ERR_PARSE_ERROR;
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} break;
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}
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tk_string += res;
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} else {
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if (code[idx] == '\n')
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line++;
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tk_string += code[idx];
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}
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idx++;
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}
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value = tk_string;
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return TK_STRING;
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} break;
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default: {
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if (code[idx] <= 32) {
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idx++;
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break;
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}
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if ((code[idx] >= 33 && code[idx] <= 47) || (code[idx] >= 58 && code[idx] <= 64) || (code[idx] >= 91 && code[idx] <= 96) || (code[idx] >= 123 && code[idx] <= 127)) {
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value = String::chr(code[idx]);
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idx++;
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return TK_SYMBOL;
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}
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if (code[idx] == '-' || (code[idx] >= '0' && code[idx] <= '9')) {
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//a number
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const CharType *rptr;
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double number = String::to_double(&code[idx], &rptr);
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idx += (rptr - &code[idx]);
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value = number;
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return TK_NUMBER;
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} else if ((code[idx] >= 'A' && code[idx] <= 'Z') || (code[idx] >= 'a' && code[idx] <= 'z') || code[idx] > 127) {
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String id;
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while ((code[idx] >= 'A' && code[idx] <= 'Z') || (code[idx] >= 'a' && code[idx] <= 'z') || code[idx] > 127) {
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id += code[idx];
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idx++;
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}
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value = id;
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return TK_IDENTIFIER;
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} else {
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error_str = "Unexpected character.";
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error = true;
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return TK_ERROR;
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}
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}
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}
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}
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}
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public:
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Error parse(const String &p_code, const String &p_known_class_name = String()) {
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code = p_code;
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idx = 0;
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line = 0;
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error_str = String();
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error = false;
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value = Variant();
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class_name = String();
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bool use_next_class = false;
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Token tk = get_token();
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Map<int, String> namespace_stack;
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int curly_stack = 0;
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while (!error || tk != TK_EOF) {
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if (tk == TK_BRACKET_OPEN) {
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tk = get_token();
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if (tk == TK_IDENTIFIER && String(value) == "ScriptClass") {
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if (get_token() == TK_BRACKET_CLOSE) {
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use_next_class = true;
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}
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}
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} else if (tk == TK_IDENTIFIER && String(value) == "class") {
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tk = get_token();
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if (tk == TK_IDENTIFIER) {
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String name = value;
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if (use_next_class || p_known_class_name == name) {
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for (Map<int, String>::Element *E = namespace_stack.front(); E; E = E->next()) {
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class_name += E->get() + ".";
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}
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class_name += String(value);
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break;
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}
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}
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} else if (tk == TK_IDENTIFIER && String(value) == "namespace") {
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String name;
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int at_level = curly_stack;
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while (true) {
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tk = get_token();
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if (tk == TK_IDENTIFIER) {
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name += String(value);
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}
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tk = get_token();
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if (tk == TK_PERIOD) {
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name += ".";
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} else if (tk == TK_CURLY_BRACKET_OPEN) {
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curly_stack++;
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break;
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} else {
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break; //whathever else
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}
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}
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if (name != String()) {
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namespace_stack[at_level] = name;
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}
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} else if (tk == TK_CURLY_BRACKET_OPEN) {
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curly_stack++;
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} else if (tk == TK_CURLY_BRACKET_CLOSE) {
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curly_stack--;
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if (namespace_stack.has(curly_stack)) {
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namespace_stack.erase(curly_stack);
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}
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}
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tk = get_token();
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}
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if (error)
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return ERR_PARSE_ERROR;
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return OK;
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}
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String get_error() {
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return error_str;
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}
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String get_class() {
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return class_name;
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}
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};
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void test_vec(Plane p_vec) {
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CameraMatrix cm;
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cm.set_perspective(45, 1, 0, 100);
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Plane v0 = cm.xform4(p_vec);
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print_line("out: " + v0);
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v0.normal.z = (v0.d / 100.0 * 2.0 - 1.0) * v0.d;
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print_line("out_F: " + v0);
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/*v0: 0, 0, -0.1, 0.1
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v1: 0, 0, 0, 0.1
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fix: 0, 0, 0, 0.1
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v0: 0, 0, 1.302803, 1.5
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v1: 0, 0, 1.401401, 1.5
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fix: 0, 0, 1.401401, 1.5
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v0: 0, 0, 25.851850, 26
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v1: 0, 0, 25.925926, 26
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fix: 0, 0, 25.925924, 26
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v0: 0, 0, 49.899902, 50
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v1: 0, 0, 49.949947, 50
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fix: 0, 0, 49.949951, 50
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v0: 0, 0, 100, 100
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v1: 0, 0, 100, 100
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fix: 0, 0, 100, 100
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*/
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}
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uint32_t ihash(uint32_t a) {
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a = (a + 0x7ed55d16) + (a << 12);
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a = (a ^ 0xc761c23c) ^ (a >> 19);
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a = (a + 0x165667b1) + (a << 5);
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a = (a + 0xd3a2646c) ^ (a << 9);
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a = (a + 0xfd7046c5) + (a << 3);
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a = (a ^ 0xb55a4f09) ^ (a >> 16);
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return a;
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}
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uint32_t ihash2(uint32_t a) {
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a = (a ^ 61) ^ (a >> 16);
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a = a + (a << 3);
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a = a ^ (a >> 4);
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a = a * 0x27d4eb2d;
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a = a ^ (a >> 15);
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return a;
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}
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uint32_t ihash3(uint32_t a) {
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a = (a + 0x479ab41d) + (a << 8);
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a = (a ^ 0xe4aa10ce) ^ (a >> 5);
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a = (a + 0x9942f0a6) - (a << 14);
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a = (a ^ 0x5aedd67d) ^ (a >> 3);
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a = (a + 0x17bea992) + (a << 7);
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return a;
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}
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MainLoop *test() {
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print_line("Dvectors: " + itos(MemoryPool::allocs_used));
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print_line("Mem used: " + itos(MemoryPool::total_memory));
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print_line("MAx mem used: " + itos(MemoryPool::max_memory));
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PoolVector<int> ints;
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ints.resize(20);
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{
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PoolVector<int>::Write w;
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w = ints.write();
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for (int i = 0; i < ints.size(); i++) {
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w[i] = i;
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}
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}
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PoolVector<int> posho = ints;
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{
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PoolVector<int>::Read r = posho.read();
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for (int i = 0; i < posho.size(); i++) {
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print_line(itos(i) + " : " + itos(r[i]));
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}
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}
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print_line("later Dvectors: " + itos(MemoryPool::allocs_used));
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print_line("later Mem used: " + itos(MemoryPool::total_memory));
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print_line("Mlater Ax mem used: " + itos(MemoryPool::max_memory));
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return NULL;
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List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
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if (cmdlargs.empty()) {
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//try editor!
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return NULL;
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}
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String test = cmdlargs.back()->get();
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FileAccess *fa = FileAccess::open(test, FileAccess::READ);
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if (!fa) {
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ERR_EXPLAIN("Could not open file: " + test);
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ERR_FAIL_V(NULL);
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}
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Vector<uint8_t> buf;
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int flen = fa->get_len();
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buf.resize(fa->get_len() + 1);
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fa->get_buffer(&buf[0], flen);
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buf[flen] = 0;
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String code;
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code.parse_utf8((const char *)&buf[0]);
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GetClassAndNamespace getclass;
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if (getclass.parse(code)) {
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print_line("Parse error: " + getclass.get_error());
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} else {
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print_line("Found class: " + getclass.get_class());
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}
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return NULL;
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{
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Vector<int> hashes;
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List<StringName> tl;
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ClassDB::get_class_list(&tl);
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for (List<StringName>::Element *E = tl.front(); E; E = E->next()) {
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Vector<uint8_t> m5b = E->get().operator String().md5_buffer();
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hashes.push_back(hashes.size());
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}
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//hashes.resize(50);
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for (int i = nearest_shift(hashes.size()); i < 20; i++) {
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bool success = true;
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for (int s = 0; s < 10000; s++) {
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Set<uint32_t> existing;
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success = true;
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for (int j = 0; j < hashes.size(); j++) {
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uint32_t eh = ihash2(ihash3(hashes[j] + ihash(s) + s)) & ((1 << i) - 1);
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if (existing.has(eh)) {
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success = false;
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break;
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}
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existing.insert(eh);
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}
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if (success) {
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print_line("success at " + itos(i) + "/" + itos(nearest_shift(hashes.size())) + " shift " + itos(s));
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break;
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}
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}
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if (success)
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break;
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}
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print_line("DONE");
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return NULL;
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}
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{
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//print_line("NUM: "+itos(237641278346127));
|
|
print_line("NUM: " + itos(-128));
|
|
return NULL;
|
|
}
|
|
|
|
{
|
|
Vector3 v(1, 2, 3);
|
|
v.normalize();
|
|
float a = 0.3;
|
|
|
|
//Quat q(v,a);
|
|
Basis m(v, a);
|
|
|
|
Vector3 v2(7, 3, 1);
|
|
v2.normalize();
|
|
float a2 = 0.8;
|
|
|
|
//Quat q(v,a);
|
|
Basis m2(v2, a2);
|
|
|
|
Quat q = m;
|
|
Quat q2 = m2;
|
|
|
|
Basis m3 = m.inverse() * m2;
|
|
Quat q3 = (q.inverse() * q2); //.normalized();
|
|
|
|
print_line(Quat(m3));
|
|
print_line(q3);
|
|
|
|
print_line("before v: " + v + " a: " + rtos(a));
|
|
q.get_axis_angle(v, a);
|
|
print_line("after v: " + v + " a: " + rtos(a));
|
|
}
|
|
|
|
return NULL;
|
|
String ret;
|
|
|
|
List<String> args;
|
|
args.push_back("-l");
|
|
Error err = OS::get_singleton()->execute("/bin/ls", args, true, NULL, &ret);
|
|
print_line("error: " + itos(err));
|
|
print_line(ret);
|
|
|
|
return NULL;
|
|
Basis m3;
|
|
m3.rotate(Vector3(1, 0, 0), 0.2);
|
|
m3.rotate(Vector3(0, 1, 0), 1.77);
|
|
m3.rotate(Vector3(0, 0, 1), 212);
|
|
Basis m32;
|
|
m32.set_euler(m3.get_euler());
|
|
print_line("ELEULEEEEEEEEEEEEEEEEEER: " + m3.get_euler() + " vs " + m32.get_euler());
|
|
|
|
return NULL;
|
|
|
|
{
|
|
|
|
Dictionary d;
|
|
d["momo"] = 1;
|
|
Dictionary b = d;
|
|
b["44"] = 4;
|
|
}
|
|
|
|
return NULL;
|
|
print_line("inters: " + rtos(Geometry::segment_intersects_circle(Vector2(-5, 0), Vector2(-2, 0), Vector2(), 1.0)));
|
|
|
|
print_line("cross: " + Vector3(1, 2, 3).cross(Vector3(4, 5, 7)));
|
|
print_line("dot: " + rtos(Vector3(1, 2, 3).dot(Vector3(4, 5, 7))));
|
|
print_line("abs: " + Vector3(-1, 2, -3).abs());
|
|
print_line("distance_to: " + rtos(Vector3(1, 2, 3).distance_to(Vector3(4, 5, 7))));
|
|
print_line("distance_squared_to: " + rtos(Vector3(1, 2, 3).distance_squared_to(Vector3(4, 5, 7))));
|
|
print_line("plus: " + (Vector3(1, 2, 3) + Vector3(Vector3(4, 5, 7))));
|
|
print_line("minus: " + (Vector3(1, 2, 3) - Vector3(Vector3(4, 5, 7))));
|
|
print_line("mul: " + (Vector3(1, 2, 3) * Vector3(Vector3(4, 5, 7))));
|
|
print_line("div: " + (Vector3(1, 2, 3) / Vector3(Vector3(4, 5, 7))));
|
|
print_line("mul scalar: " + (Vector3(1, 2, 3) * 2));
|
|
print_line("premul scalar: " + (2 * Vector3(1, 2, 3)));
|
|
print_line("div scalar: " + (Vector3(1, 2, 3) / 3.0));
|
|
print_line("length: " + rtos(Vector3(1, 2, 3).length()));
|
|
print_line("length squared: " + rtos(Vector3(1, 2, 3).length_squared()));
|
|
print_line("normalized: " + Vector3(1, 2, 3).normalized());
|
|
print_line("inverse: " + Vector3(1, 2, 3).inverse());
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v.normalize();
|
|
print_line("normalize: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v += Vector3(1, 2, 3);
|
|
print_line("+=: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v -= Vector3(1, 2, 3);
|
|
print_line("-=: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v *= Vector3(1, 2, 3);
|
|
print_line("*=: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v /= Vector3(1, 2, 3);
|
|
print_line("/=: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v *= 2.0;
|
|
print_line("scalar *=: " + v);
|
|
}
|
|
|
|
{
|
|
Vector3 v(4, 5, 7);
|
|
v /= 2.0;
|
|
print_line("scalar /=: " + v);
|
|
}
|
|
|
|
#if 0
|
|
print_line(String("C:\\momo\\.\\popo\\..\\gongo").simplify_path());
|
|
print_line(String("res://../popo/..//gongo").simplify_path());
|
|
print_line(String("res://..").simplify_path());
|
|
|
|
|
|
PoolVector<uint8_t> a;
|
|
PoolVector<uint8_t> b;
|
|
|
|
a.resize(20);
|
|
b=a;
|
|
b.resize(30);
|
|
a=b;
|
|
#endif
|
|
|
|
#if 0
|
|
String za = String::utf8("á");
|
|
printf("unicode: %x\n",za[0]);
|
|
CharString cs=za.utf8();
|
|
for(int i=0;i<cs.size();i++) {
|
|
uint32_t v = uint8_t(cs[i]);
|
|
printf("%i - %x\n",i,v);
|
|
}
|
|
return NULL;
|
|
|
|
print_line(String("C:\\window\\system\\momo").path_to("C:\\window\\momonga"));
|
|
print_line(String("res://momo/sampler").path_to("res://pindonga"));
|
|
print_line(String("/margarito/terere").path_to("/margarito/pilates"));
|
|
print_line(String("/algo").path_to("/algo"));
|
|
print_line(String("c:").path_to("c:\\"));
|
|
print_line(String("/").path_to("/"));
|
|
|
|
|
|
print_line(itos(sizeof(Variant)));
|
|
return NULL;
|
|
|
|
Vector<StringName> path;
|
|
path.push_back("three");
|
|
path.push_back("two");
|
|
path.push_back("one");
|
|
path.push_back("comeon");
|
|
path.revert();
|
|
|
|
NodePath np(path,true);
|
|
|
|
print_line(np);
|
|
|
|
|
|
return NULL;
|
|
|
|
bool a=2;
|
|
|
|
print_line(Variant(a));
|
|
|
|
|
|
Transform2D mat2_1;
|
|
mat2_1.rotate(0.5);
|
|
Transform2D mat2_2;
|
|
mat2_2.translate(Vector2(1,2));
|
|
Transform2D mat2_3 = mat2_1 * mat2_2;
|
|
mat2_3.affine_invert();
|
|
|
|
print_line(mat2_3.elements[0]);
|
|
print_line(mat2_3.elements[1]);
|
|
print_line(mat2_3.elements[2]);
|
|
|
|
|
|
|
|
Transform mat3_1;
|
|
mat3_1.basis.rotate(Vector3(0,0,1),0.5);
|
|
Transform mat3_2;
|
|
mat3_2.translate(Vector3(1,2,0));
|
|
Transform mat3_3 = mat3_1 * mat3_2;
|
|
mat3_3.affine_invert();
|
|
|
|
print_line(mat3_3.basis.get_axis(0));
|
|
print_line(mat3_3.basis.get_axis(1));
|
|
print_line(mat3_3.origin);
|
|
|
|
#endif
|
|
return NULL;
|
|
}
|
|
}
|