aaa TwT do transparency pwease

readme.md

@@ -1,17 +1,19 @@
 
-optimized build : `clang ./src/*.c -lm -lglfw -lGL -lGLEW -fno-trapping-math`
+optimized build : `clang ./src/*.c -lm -lglfw -lGL -lGLEW -fno-trapping-math -Dskip_memory_trace`
 
-optional flags : -Dskip_memory_trace -Dstfu
+build flags : -Dskip_memory_trace -Dstfu -D_debug
 
 # todo
 
-- find a better epsilon
-
 - fix the fps counter, its probably wrong 
 
-- color triangles
+- color triangles (more detailed)
 
--animations 
+- separate alloc tracing, and counting
+
+- animations 
+
+- simple transparency
 
 # known issues
 

src/point.c

@@ -785,7 +785,6 @@ point_arr* polygon3d(double* vx, double*vy, double* vz, int n,float r, float g,
   pa = malloc(sizeof(*pa));
   pa->c = malloc(sizeof(*pa->c)*(get_w()*60));
   pa->vert = malloc(sizeof(*pa->vert)*(n*60));
-
   if(pa->c==NULL||pa->vert==NULL)
     err("failed to allocate polygon array",pexit); 
   n-=1;
@@ -793,10 +792,16 @@ point_arr* polygon3d(double* vx, double*vy, double* vz, int n,float r, float g,
 		pa->c[i].at.x = vx[i];
 		pa->c[i].at.y = vy[i];	
 		pa->c[i].at.z = vz[i];
+		pa->c[i].at.vertex = 1;
 
 		pa->vert[i].at.x = vx[i];
 		pa->vert[i].at.y = vy[i];	
 		pa->vert[i].at.z = vz[i];
+		pa->vert[i].at.vertex = 1;
+
+		pa->vert[i].color.r = r;
+		pa->vert[i].color.g = g;	
+		pa->vert[i].color.b = b;
 		
 		pa->c[i].color.r = r;
 		pa->c[i].color.g = g;
@@ -981,6 +986,7 @@ point_m* rect3d_gen(double* tl, double* tr, double* bl, double*br,
 int main(int argc,char*argv[]){	
 	flag_handle(argc,argv);
   atexit(sig_handle);
+	
 	GLFWwindow* w = glfw_init();
   refresh_size(w);
   GLenum err = glewInit();
@@ -1017,7 +1023,7 @@ int main(int argc,char*argv[]){
 	double zzz[4] = {2.0,2.0,2.0,2.0};	
 	point_m* aaaa = malloc(sizeof(*aaaa)*5);
 	aaaa->len = 0;
-	aaaa[0].at = polygon3d(xxx,yyy,zzz,5);
+	aaaa[0].at = polygon3d(xxx,yyy,zzz,5,1.0,1.0,0.0);
 	*/
 	int max_r = 630;
   double half_max_r = (double)max_r/2/2;
@@ -1051,13 +1057,16 @@ int main(int argc,char*argv[]){
 
 		if(aaaa->len>=0){
 		glfl_ar**con = malloc(sizeof **con * aaaa->len);
+		int con_len = 0;
 		glfl_ar* bba = perspective_proj(w,aaaa[0].at,p1,p2,p3,p4,p5,p6);
-		con[0] = bba;
+		con[con_len] = bba;
+		con_len++;
 		if(aaaa->len>0){
 		for(int i = 1; i<=aaaa->len-1; i++){
 			glfl_ar* bbb = perspective_proj(w,aaaa[i].at,p1,p2,p3,p4,p5,p6);
 			//printf("%f\n",bbb->depth);
-			con[i] = bbb;
+			con[con_len] = bbb;
+			con_len++;
 			//join_glfl_a(bba,bbb);
 			//free(bbb->col);
 			//free(bbb->pix);
@@ -1068,7 +1077,6 @@ int main(int argc,char*argv[]){
 			
 			}
 		}
-		
 		for(int i = 0; i<=aaaa->len-2; i++){
 			//printf("%i %i\n",i,aaaa->len-1);
 			if(con[i]->max.z<con[i+1]->min.z||
@@ -1079,11 +1087,14 @@ int main(int argc,char*argv[]){
 				con[i] = con[i+1];	
 				con[i+1] = tempp;	
 
-				i=-1;
+				i-=1;
 			}
 		}
+		
+		//char* absabd = malloc(1000);
+		//absabd = "aaa\n";
 		glfl_ar* push = con[0];
-		for(int i = 1; i<=aaaa->len-1;i++){
+		for(int i = 1; i<=con_len-1;i++){
 			//printf("%f %f\n",con[i]->max.x,con[i]->min.x);
 			join_glfl_a(push,con[i]);
 			free(con[i]->tri);

src/util.c

@@ -3,14 +3,16 @@
 #include "util.h"
 #include <math.h>
 #include "strings.h"
-ulong allocs = 0;
-int forced_length = 15;
+unsigned long allocs = 0;
+unsigned long frees = 0;
+int log_level = 0;
+int __signal = 0;
 typedef struct {
 	void* addr;
 	char* file;
 	char* function;
 	int line;
-	ulong size;
+	unsigned long size;
 } alloc;
 alloc* allocations = NULL;
 double binomial(int n, int k){
@@ -22,13 +24,16 @@ double binomial(int n, int k){
   } 
   return v;
 }
-void* mmalloc(ulong X,char*file,int line,char*func){
+void* mmalloc(size_t X,char*file,int line,char*func){
 	if(allocations==NULL){
 		allocations=(malloc)(sizeof(*allocations)*2);
 	}
 	allocations=(realloc)(allocations,sizeof(*allocations)*(allocs+1));
 	void* mal = (malloc)(X);
+	if(mal==NULL)
+		err("failed to malloc",pexit);
 	allocations[allocs].addr = mal;
+	
 	allocations[allocs].function = func;
 	allocations[allocs].file = file;
 	allocations[allocs].line = line;
@@ -38,17 +43,22 @@ void* mmalloc(ulong X,char*file,int line,char*func){
 }
 
 void ffree(void* X,char*file,int line,char*func){
-	for(ulong i = 0; i<=allocs; i++){
+	if(X==NULL){
+		warn("tried to free a null pointer");
+		return;	
+	}
+	for(unsigned long i = 0; i<=allocs-1; i++){
 		if(allocations[i].addr==X){
 			allocations[i].addr = NULL;
 			break;
 		}
 	}
+	 
 	(free)(X);
-  allocs--;
+	frees++;
+  //allocs--;
 }
-int log_level = 0;
-int __signal = 0;
+
 void pexit(int s){
   __signal = s;
   exit(s);
@@ -69,11 +79,13 @@ void sig_handle(void){
 	#endif
 
 	#ifndef skip_memory_trace
-  if(allocs>0){
-    char ssa[45];
-    sprintf(ssa,"%s | (found %i)","uneven allocations, memory leak(s)",(int)nearbyint(allocs));
+  if(allocs!=frees){
+    char ssa[200];
+    sprintf(ssa,"%s | (%i/%i freed)","uneven allocations, memory leak(s)",(int)nearbyint(allocs),(int)nearbyint(frees));
     warn(ssa);
-		for(ulong i = 0; i<=allocs; i++){
+		
+		
+		for(unsigned long i = 0; i<=allocs-1; i++){	
 			if(allocations[i].addr!=NULL){
 				
 				char ad[50];
@@ -83,9 +95,11 @@ void sig_handle(void){
 				printf("   | - <\x1b[90m0x\x1b[0m%s> %s:%s:%i, %lu bytes initially allocated\n",ad,allocations[i].file,allocations[i].function,allocations[i].line,allocations[i].size);	
 			}
 		}
-		(free)(allocations);
+		
   }
-  if(allocs==0)
+	if(allocations!=NULL)
+	(free)(allocations);
+  if(allocs==frees)
     info("even allocations, no internal leaks");
 	#endif
 	if(__signal==0){
@@ -105,7 +119,7 @@ char* force_ca_length(char*inp,int len){
   char* nya = malloc(sizeof(*nya)*(len+1));
   int skip = 0;
   for(int i = 0;; i++){
-    
+    nya[i] = ' ';
     if((inp[i]=='\0'||skip)&&i>=len)
       break;
     if(inp[i]=='\0')
@@ -120,7 +134,7 @@ char* force_ca_length(char*inp,int len){
       nya[i] = ' '; 
     else
       nya[i] = inp[i];
-  }
+  }	
   if(!skip){
     nya[2] = '.';
     nya[1] = '.';
@@ -160,6 +174,16 @@ void info_m(char*ca,char*f,int l,...){
   printf("\x1b[90m%s [ info ] %s\x1b[0m\n",aa,ca);
   free(aa);
 }
+void debug_m(char*ca,char*f,int l,...){
+  if(log_level<-1)
+    return;
+  int len = ca_size(f) + int_len(l); 
+  char nn[len]; 
+  sprintf(nn,"%s:%i",f,l);
+  char* aa = force_ca_length(nn,forced_length);
+  printf("\e[38;5;69m%s [ dbug ] \e[0m\x1b[90m%s\x1b[0m\n",aa,ca);
+  free(aa);
+}
 void log_m(char*ca,char*f,int l,...){
   if(log_level<2)
     return;

src/util.h

@@ -4,8 +4,10 @@
 #include "string.h"
 #ifndef __util__
 #define __util__
+
 static const double FL_DIS = 1e-7;
 static const double NaN = 0.0f/0.0f;
+static const int forced_length = 20;
 
 #define greater(a,b) ((a)>(b)?(a):(b))
 #define lesser(a,b) ((a)>(b)?(b):(a))
@@ -13,10 +15,17 @@ static const double NaN = 0.0f/0.0f;
 
 #ifndef skip_memory_trace
 #define malloc(X) mmalloc(X,(char*)__FILE__,(int)__LINE__,(char*)__FUNCTION__);
-#define free(X) ffree(X,(char*)__FILE__,(int)__LINE__,(char*)__FUNCTION__);
+#define free(X) ffree(X,(char*)__FILE__,(int)__LINE__,(char*)__FUNCTION__); X=NULL;
 #endif
 
 #ifndef stfu
+
+#ifdef _debug 
+#define debug(s) debug_m(s,__FILE__,__LINE__);
+#else 
+#define debug(s)
+#endif
+
 #define err(s,f,...) err_m(s,f,__FILE__,__LINE__,##__VA_ARGS__);
 #define warn(s) warn_m(s,__FILE__,__LINE__);
 #define info(s) info_m(s,__FILE__,__LINE__);
@@ -30,9 +39,10 @@ static const double NaN = 0.0f/0.0f;
 #endif 
 
 double binomial(int n, int k);
-void* mmalloc(ulong,char*,int,char*);
+void* mmalloc(size_t,char*,int,char*);
 void ffree(void*,char*,int,char*);
 void err_m(char*,void (*)(int),char*,int);
+void debug_m(char*,char*,int,...);
 void warn_m(char*,char*,int ,...);
 void info_m(char*,char*,int ,...);
 void log_m(char*ca,char*f,int l,...);