From a73c7a57888f0f44f298ec425fc5abd3cfcffd62 Mon Sep 17 00:00:00 2001
From: ZoRo <dos21h@gmail.com>
Date: Sat, 5 Sep 2020 21:12:46 +0100
Subject: Basic queue

---
 Makefile  |  2 +-
 fractal.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 koh.h     |  7 +++--
 3 files changed, 92 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index dc702c4..7f8696f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,4 +4,4 @@ CC=gcc
 make:
 	$(CC) -c koh.c
 	$(CC) -c fractal.c
-	$(CC) koh.o fractal.o -o fractal
\ No newline at end of file
+	$(CC) koh.o fractal.o -o fractal -lSDL2
\ No newline at end of file
diff --git a/fractal.c b/fractal.c
index dcab68b..98410d9 100644
--- a/fractal.c
+++ b/fractal.c
@@ -6,11 +6,97 @@
 #include <stdint.h>
 #include <time.h>
 
-#include <SDL/SDL.h>
-#include <SDL/SDL_ttf.h>
+#include <SDL2/SDL.h>
+
+#include "koh.h"
+//#include "queue.h"
+
+#define SCREEN_WIDTH 160
+#define SCREEN_HEIGHT 160
+
+static int quit=0;
+static SDL_Window *window = NULL;
+static SDL_Renderer *renderer = NULL;
+
+#define MAX_LEVEL 7
+#define QUEUE_SIZE (1+MAX_LEVEL*MAX_LEVEL*MAX_LEVEL*MAX_LEVEL)
+
+int queue_index=0;
+koh_node koh_queue[QUEUE_SIZE];
+
+void queue_init()
+{
+    int i;
+    queue_index = 0;
+    for (i=0;i<QUEUE_SIZE;i++)
+    {
+        koh_queue[i].generaton = 0;
+        koh_queue[i].size      = 0;
+        koh_queue[i].x         = 0;
+        koh_queue[i].y         = 0;
+    }
+}
+
+
+void queue_add(koh_node kn)
+{
+    koh_queue[queue_index] = kn;
+    queue_index += 1;
+}
+
+
+koh_node queue_get(int idx)
+{
+    koh_node kn = {-1,-1,-1,-1};
+
+    if ((idx<0) || (idx>QUEUE_SIZE))
+    {
+        return kn;
+    }
+
+    kn = koh_queue[idx];
+
+    return kn;
+}
 
 int main()
 {
+    SDL_Event event;
+    
+    printf("Max queue size %d\n", QUEUE_SIZE);
+    SDL_Init(SDL_INIT_VIDEO);
+    window = SDL_CreateWindow("KOH", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL);
+    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+    SDL_SetRenderDrawColor(renderer, 0xff, 0x99, 0x99, 0x99);
+
+    while (quit == 0)
+    {
+        while (SDL_PollEvent(&event))
+        {
+                    
+            switch (event.type)
+            {
+                case SDL_QUIT:
+                {
+                    quit = 1;
+                    break;
+                }
+                //case SDL_KE
+            }
+                    
+                //sleep(1);
+        }
+
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+        SDL_RenderClear(renderer);
+        SDL_RenderPresent(renderer);
+    }
+
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+
+
     return 0;
 }
 
diff --git a/koh.h b/koh.h
index 6018fb9..9c8208e 100644
--- a/koh.h
+++ b/koh.h
@@ -17,10 +17,9 @@ typedef struct
 
 typedef struct 
 {
-    int x1,y1,x2,y2;
-    int level;
-    int r,g,b,a;
-    int invisible;
+    int x,y;
+    int generaton;
+    int size;
 } koh_node;
 
 #endif
\ No newline at end of file
-- 
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