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virtualx-engine/bin/tests/test_math.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant. 
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

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/*************************************************************************/
/* test_math.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "test_math.h"
#include "ustring.h"
#include "print_string.h"
#include "transform.h"
#include "matrix3.h"
#include "math_funcs.h"
#include "camera_matrix.h"
#include "scene/main/node.h"
#include "variant.h"
#include "servers/visual/shader_language.h"
#include "os/keyboard.h"
#include "scene/resources/texture.h"
#include "vmap.h"
#include "os/os.h"
#include "os/file_access.h"
#include "method_ptrcall.h"
namespace TestMath {
class GetClassAndNamespace {
String code;
int idx;
int line;
String error_str;
bool error;
Variant value;
String class_name;
enum Token {
TK_BRACKET_OPEN,
TK_BRACKET_CLOSE,
TK_CURLY_BRACKET_OPEN,
TK_CURLY_BRACKET_CLOSE,
TK_PERIOD,
TK_COLON,
TK_COMMA,
TK_SYMBOL,
TK_IDENTIFIER,
TK_STRING,
TK_NUMBER,
TK_EOF,
TK_ERROR
};
Token get_token() {
while (true) {
switch(code[idx]) {
case '\n': {
line++;
idx++;
break;
};
case 0: {
return TK_EOF;
} break;
case '{': {
idx++;
return TK_CURLY_BRACKET_OPEN;
};
case '}': {
idx++;
return TK_CURLY_BRACKET_CLOSE;
};
case '[': {
idx++;
return TK_BRACKET_OPEN;
};
case ']': {
idx++;
return TK_BRACKET_CLOSE;
};
case ':': {
idx++;
return TK_COLON;
};
case ',': {
idx++;
return TK_COMMA;
};
case '.': {
idx++;
return TK_PERIOD;
};
case '#': {
//compiler directive
while(code[idx]!='\n' && code[idx]!=0) {
idx++;
}
continue;
} break;
case '/': {
switch(code[idx+1]) {
case '*': { // block comment
idx+=2;
while(true) {
if (code[idx]==0) {
error_str="Unterminated comment";
error=true;
return TK_ERROR;
} if (code[idx]=='*' &&code[idx+1]=='/') {
idx+=2;
break;
} if (code[idx]=='\n') {
line++;
}
idx++;
}
} break;
case '/': { // line comment skip
while(code[idx]!='\n' && code[idx]!=0) {
idx++;
}
} break;
default: {
value="/";
idx++;
return TK_SYMBOL;
}
}
continue; // a comment
} break;
case '\'':
case '"': {
CharType begin_str = code[idx];
idx++;
String tk_string=String();
while(true) {
if (code[idx]==0) {
error_str="Unterminated String";
error=true;
return TK_ERROR;
} else if (code[idx]==begin_str) {
idx++;
break;
} else if (code[idx]=='\\') {
//escaped characters...
idx++;
CharType next = code[idx];
if (next==0) {
error_str="Unterminated String";
error=true;
return TK_ERROR;
}
CharType res=0;
switch(next) {
case 'b': res=8; break;
case 't': res=9; break;
case 'n': res=10; break;
case 'f': res=12; break;
case 'r': res=13; break;
/* too much, not needed for now
case 'u': {
//hexnumbarh - oct is deprecated
for(int j=0;j<4;j++) {
CharType c = code[idx+j+1];
if (c==0) {
r_err_str="Unterminated String";
return ERR_PARSE_ERROR;
}
if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) {
r_err_str="Malformed hex constant in string";
return ERR_PARSE_ERROR;
}
CharType v;
if (c>='0' && c<='9') {
v=c-'0';
} else if (c>='a' && c<='f') {
v=c-'a';
v+=10;
} else if (c>='A' && c<='F') {
v=c-'A';
v+=10;
} else {
ERR_PRINT("BUG");
v=0;
}
res<<=4;
res|=v;
}
idx+=4; //will add at the end anyway
} break;*/
case '\"': res='\"'; break;
case '\\': res='\\'; break;
//case '/': res='/'; break;
default: {
res = next;
//r_err_str="Invalid escape sequence";
//return ERR_PARSE_ERROR;
} break;
}
tk_string+=res;
} else {
if (code[idx]=='\n')
line++;
tk_string+=code[idx];
}
idx++;
}
value=tk_string;
return TK_STRING;
} break;
default: {
if (code[idx]<=32) {
idx++;
break;
}
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)){
value=String::chr(code[idx]);
idx++;
return TK_SYMBOL;
}
if (code[idx]=='-' || (code[idx]>='0' && code[idx]<='9')) {
//a number
const CharType *rptr;
double number = String::to_double(&code[idx],&rptr);
idx+=(rptr - &code[idx]);
value=number;
return TK_NUMBER;
} else if ((code[idx]>='A' && code[idx]<='Z') || (code[idx]>='a' && code[idx]<='z') || code[idx]>127) {
String id;
while((code[idx]>='A' && code[idx]<='Z') || (code[idx]>='a' && code[idx]<='z') || code[idx]>127) {
id+=code[idx];
idx++;
}
value=id;
return TK_IDENTIFIER;
} else {
error_str="Unexpected character.";
error=true;
return TK_ERROR;
}
}
}
}
}
public:
Error parse(const String& p_code,const String& p_known_class_name=String()) {
code=p_code;
idx=0;
line=0;
error_str=String();
error=false;
value=Variant();
class_name=String();
bool use_next_class=false;
Token tk = get_token();
Map<int,String> namespace_stack;
int curly_stack=0;
while(!error || tk!=TK_EOF) {
if (tk==TK_BRACKET_OPEN) {
tk = get_token();
if (tk==TK_IDENTIFIER && String(value)=="ScriptClass") {
if (get_token()==TK_BRACKET_CLOSE) {
use_next_class=true;
}
}
} else if (tk==TK_IDENTIFIER && String(value)=="class") {
tk = get_token();
if (tk==TK_IDENTIFIER) {
String name = value;
if (use_next_class || p_known_class_name==name) {
for (Map<int,String>::Element *E=namespace_stack.front();E;E=E->next()) {
class_name+=E->get()+".";
}
class_name+=String(value);
break;
}
}
} else if (tk==TK_IDENTIFIER && String(value)=="namespace") {
String name;
int at_level = curly_stack;
while(true) {
tk = get_token();
if (tk==TK_IDENTIFIER) {
name+=String(value);
}
tk = get_token();
if (tk==TK_PERIOD) {
name+=".";
} else if (tk==TK_CURLY_BRACKET_OPEN) {
curly_stack++;
break;
} else {
break; //whathever else
}
}
if (name!=String()) {
namespace_stack[at_level]=name;
}
} else if (tk==TK_CURLY_BRACKET_OPEN) {
curly_stack++;
} else if (tk==TK_CURLY_BRACKET_CLOSE) {
curly_stack--;
if (namespace_stack.has(curly_stack)) {
namespace_stack.erase(curly_stack);
}
}
tk = get_token();
}
if (error)
return ERR_PARSE_ERROR;
return OK;
}
String get_error() {
return error_str;
}
String get_class() {
return class_name;
}
};
void test_vec(Plane p_vec) {
CameraMatrix cm;
cm.set_perspective(45,1,0,100);
Plane v0=cm.xform4(p_vec);
print_line("out: "+v0);
v0.normal.z = (v0.d/100.0 *2.0-1.0) * v0.d;
print_line("out_F: "+v0);
/*v0: 0, 0, -0.1, 0.1
v1: 0, 0, 0, 0.1
fix: 0, 0, 0, 0.1
v0: 0, 0, 1.302803, 1.5
v1: 0, 0, 1.401401, 1.5
fix: 0, 0, 1.401401, 1.5
v0: 0, 0, 25.851850, 26
v1: 0, 0, 25.925926, 26
fix: 0, 0, 25.925924, 26
v0: 0, 0, 49.899902, 50
v1: 0, 0, 49.949947, 50
fix: 0, 0, 49.949951, 50
v0: 0, 0, 100, 100
v1: 0, 0, 100, 100
fix: 0, 0, 100, 100
*/
}
uint32_t ihash( uint32_t a)
{
a = (a+0x7ed55d16) + (a<<12);
a = (a^0xc761c23c) ^ (a>>19);
a = (a+0x165667b1) + (a<<5);
a = (a+0xd3a2646c) ^ (a<<9);
a = (a+0xfd7046c5) + (a<<3);
a = (a^0xb55a4f09) ^ (a>>16);
return a;
}
uint32_t ihash2( uint32_t a) {
a = (a ^ 61) ^ (a >> 16);
a = a + (a << 3);
a = a ^ (a >> 4);
a = a * 0x27d4eb2d;
a = a ^ (a >> 15);
return a;
}
uint32_t ihash3( uint32_t a)
{
a = (a+0x479ab41d) + (a<<8);
a = (a^0xe4aa10ce) ^ (a>>5);
a = (a+0x9942f0a6) - (a<<14);
a = (a^0x5aedd67d) ^ (a>>3);
a = (a+0x17bea992) + (a<<7);
return a;
}
MainLoop* test() {
List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
if (cmdlargs.empty()) {
//try editor!
return NULL;
}
String test = cmdlargs.back()->get();
FileAccess *fa = FileAccess::open(test,FileAccess::READ);
if (!fa) {
ERR_EXPLAIN("Could not open file: "+test);
ERR_FAIL_V(NULL);
}
Vector<uint8_t> buf;
int flen = fa->get_len();
buf.resize(fa->get_len()+1);
fa->get_buffer(&buf[0],flen);
buf[flen]=0;
String code;
code.parse_utf8((const char*)&buf[0]);
GetClassAndNamespace getclass;
if (getclass.parse(code)) {
print_line("Parse error: "+getclass.get_error());
} else {
print_line("Found class: "+getclass.get_class());
}
return NULL;
{
Vector<int> hashes;
List<StringName> tl;
ClassDB::get_class_list(&tl);
for (List<StringName>::Element *E=tl.front();E;E=E->next()) {
Vector<uint8_t> m5b = E->get().operator String().md5_buffer();
hashes.push_back(hashes.size());
}
//hashes.resize(50);
for(int i=nearest_shift(hashes.size());i<20;i++) {
bool success=true;
for(int s=0;s<10000;s++) {
Set<uint32_t> existing;
success=true;
for(int j=0;j<hashes.size();j++) {
uint32_t eh = ihash2(ihash3(hashes[j]+ihash(s)+s))&((1<<i)-1);
if (existing.has(eh)) {
success=false;
break;
}
existing.insert(eh);
}
if (success) {
print_line("success at "+itos(i)+"/"+itos(nearest_shift(hashes.size()))+" shift "+itos(s));
break;
}
}
if (success)
break;
}
print_line("DONE");
return NULL;
}
{
// 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);
Matrix3 m(v,a);
Vector3 v2(7,3,1);
v2.normalize();
float a2=0.8;
//Quat q(v,a);
Matrix3 m2(v2,a2);
Quat q=m;
Quat q2=m2;
Matrix3 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_and_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;
Matrix3 m3;
m3.rotate(Vector3(1,0,0),0.2);
m3.rotate(Vector3(0,1,0),1.77);
m3.rotate(Vector3(0,0,1),212);
Matrix3 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());
DVector<uint8_t> a;
DVector<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));
Matrix32 mat2_1;
mat2_1.rotate(0.5);
Matrix32 mat2_2;
mat2_2.translate(Vector2(1,2));
Matrix32 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;
}
}
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