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authorRémi Verschelde2017-01-08 14:08:18 +0100
committerRémi Verschelde2017-01-08 14:08:18 +0100
commit790f629e5e1cccf721948b1153bb0dee139ac1a5 (patch)
treeca19ab642e59d18918d1f86fae953fc979d7ca51 /core/tests/test_math.cpp
parent28d74862677f6d0d94fbfffb305750da41f77930 (diff)
downloadgodot-790f629e5e1cccf721948b1153bb0dee139ac1a5.tar.gz
godot-790f629e5e1cccf721948b1153bb0dee139ac1a5.tar.zst
godot-790f629e5e1cccf721948b1153bb0dee139ac1a5.zip
Move core engine tests to core/
Diffstat (limited to 'core/tests/test_math.cpp')
-rw-r--r--core/tests/test_math.cpp816
1 files changed, 816 insertions, 0 deletions
diff --git a/core/tests/test_math.cpp b/core/tests/test_math.cpp
new file mode 100644
index 000000000..b3b70986c
--- /dev/null
+++ b/core/tests/test_math.cpp
@@ -0,0 +1,816 @@
+/*************************************************************************/
+/* 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() {
+
+
+ print_line("Dvectors: "+itos(MemoryPool::allocs_used));
+ print_line("Mem used: "+itos(MemoryPool::total_memory));
+ print_line("MAx mem used: "+itos(MemoryPool::max_memory));
+
+ PoolVector<int> ints;
+ ints.resize(20);
+
+ {
+ PoolVector<int>::Write w;
+ w = ints.write();
+ for(int i=0;i<ints.size();i++) {
+ w[i]=i;
+ }
+ }
+
+ PoolVector<int> posho = ints;
+
+ {
+ PoolVector<int>::Read r = posho.read();
+ for(int i=0;i<posho.size();i++) {
+ print_line(itos(i)+" : " +itos(r[i]));
+ }
+ }
+
+ print_line("later Dvectors: "+itos(MemoryPool::allocs_used));
+ print_line("later Mem used: "+itos(MemoryPool::total_memory));
+ print_line("Mlater Ax mem used: "+itos(MemoryPool::max_memory));
+
+
+ return NULL;
+
+ 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());
+
+
+ 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));
+
+
+ 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;
+
+}
+
+}